diff --git a/Dockerfile b/Dockerfile
index d2b9585..a8d197c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,4 @@
-FROM node:12.13.0-alpine
-
-# Add timezone database
-RUN apk add --no-cache tzdata
+FROM node:12.13.0
 
 # Set labels
 LABEL application="gateway-api"
diff --git a/package-lock.json b/package-lock.json
index 25e46d6..86c021b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,189 +4,12 @@
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       "dev": true
     },
-    "@babel/helper-validator-option": {
-      "version": "7.12.17",
-      "resolved": "https://registry.npmjs.org/@babel/helper-validator-option/-/helper-validator-option-7.12.17.tgz",
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-      "dev": true
-    },
-    "@babel/helpers": {
-      "version": "7.14.0",
-      "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.14.0.tgz",
-      "integrity": "sha512-+ufuXprtQ1D1iZTO/K9+EBRn+qPWMJjZSw/S0KlFrxCw4tkrzv9grgpDHkY9MeQTjTY8i2sp7Jep8DfU6tN9Mg==",
-      "dev": true,
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-        "@babel/types": "^7.14.0"
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       "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.14.0.tgz",
@@ -198,137 +21,6 @@
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       }
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-      "dev": true
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     "@balancer-labs/sor": {
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@@ -383,12 +38,6 @@
         "isomorphic-fetch": "^2.2.1"
       }
     },
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diff --git a/package.json b/package.json
index a10b69b..9e175b1 100644
--- a/package.json
+++ b/package.json
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     "build": "tsc --project ./",
     "format": "prettier . --write",
-    "lint": "eslint src test --format table --fix",
+    "lint": "eslint src tests --format table --fix",
     "debug": "DEBUG=*router nodemon --ext 'ts,js,json' --exec 'ts-node' src/index.ts",
     "start": "pm2 start dist/index.js --no-daemon",
     "status": "pm2 monit",
@@ -40,6 +40,7 @@
     "capture-console": "^1.0.1",
     "cross-fetch": "^3.0.6",
     "debug": "^4.2.0",
+    "esm": "^3.2.25",
     "ethers": "^5.3.1",
     "express": "^4.17.1",
     "express-ipfilter": "^1.1.2",
@@ -49,18 +50,20 @@
     "lodash": "^4.17.20",
     "mathjs": "^9.3.0",
     "moment": "^2.29.1",
+    "pm2": "^4.5.6",
     "util": "^0.12.3",
     "winston": "^3.3.3",
     "winston-daily-rotate-file": "^4.5.4",
-    "yaml": "^1.10.2",
-    "pm2": "^4.5.6"
+    "yaml": "^1.10.2"
   },
   "devDependencies": {
+    "@types/chai": "^4.2.10",
     "@types/express": "^4.17.12",
     "@types/jest": "^26.0.24",
     "@types/mathjs": "^9.4.2",
     "@typescript-eslint/eslint-plugin": "^4.26.1",
     "@typescript-eslint/parser": "^4.26.1",
+    "chai": "^4.2.0",
     "eslint": "^7.25.0",
     "eslint-config-prettier": "^8.3.0",
     "eslint-config-standard": "^16.0.3",
diff --git a/src/routes/ethereum.ts b/src/routes/ethereum.ts
index 1764dc8..a82c50b 100644
--- a/src/routes/ethereum.ts
+++ b/src/routes/ethereum.ts
@@ -7,6 +7,8 @@ import { EthereumConfigService } from '../services/ethereum_config';
 // import { EthereumGasService } from '../services/ethereum_gas';
 import Fees from '../services/fees';
 
+import { getNonceManager } from '../services/utils';
+
 import { logger } from '../services/logger';
 import { Router, Request, Response } from 'express';
 import { ethers } from 'ethers';
@@ -136,7 +138,9 @@ router.post('/approve', async (req: Request, res: Response) => {
   }
   // Getting Wallet
   try {
-    const wallet = ethereumService.getWallet(req.body.privateKey);
+    const wallet = await getNonceManager(
+      ethereumService.getWallet(req.body.privateKey)
+    );
 
     // Getting token info
     const token = ethereumService.getERC20Token(req.body.token);
@@ -144,7 +148,9 @@ router.post('/approve', async (req: Request, res: Response) => {
     if (!token) {
       res.status(500).send(`Token "${req.body.token}" is not supported`);
     } else {
-      const amount = ethers.utils.parseUnits(req.body.amount, token.decimals);
+      const amount = req.body.amount
+        ? ethers.utils.parseUnits(req.body.amount, token.decimals)
+        : ethers.constants.MaxUint256;
       // call approve function
       let approval;
       try {
@@ -179,6 +185,9 @@ router.post('/poll', async (req: Request, res: Response) => {
   const initTime = Date.now();
   const receipt = await ethereumService.getTransactionReceipt(req.body.txHash);
   const confirmed = receipt && receipt.blockNumber ? true : false;
+  if (receipt.gasUsed) {
+    receipt.gasUsed = receipt.gasUsed.toNumber();
+  }
 
   res.status(200).json({
     network: config.networkName,
diff --git a/src/routes/uniswap.ts b/src/routes/uniswap.ts
index 0980ae2..4561659 100644
--- a/src/routes/uniswap.ts
+++ b/src/routes/uniswap.ts
@@ -10,6 +10,7 @@ import { EthereumConfigService } from '../services/ethereum_config';
 
 import Uniswap from '../services/uniswap';
 import { EthereumGasService } from '../services/ethereum_gas';
+import Fees from '../services/fees';
 
 const debug = require('debug')('router');
 const router = express.Router();
@@ -17,6 +18,7 @@ const ethConfig = new EthereumConfigService();
 const eth = new EthereumService(ethConfig);
 const uniswap = new Uniswap();
 const fees = new EthereumGasService(ethConfig);
+const feesOld = new Fees();
 
 const swapMoreThanMaxPriceError = 'Price too high';
 const swapLessThanMaxPriceError = 'Price too low';
@@ -85,7 +87,10 @@ router.get('/start', async (req: Request, res: Response) => {
       return;
     }
   }
-  const gasCost = await fees.getGasCost(uniswap.gasLimit);
+  const gasCost = await feesOld.getGasCost(
+    fees.getGasPrice(),
+    uniswap.gasLimit
+  );
   const result = {
     network: eth.networkName,
     timestamp: initTime,
@@ -122,7 +127,10 @@ router.post('/trade', async (req: Request, res: Response) => {
   if (baseToken && quoteToken) {
     const side = req.body.side.toUpperCase();
     const limitPrice = req.body.limitPrice || null;
-    const gasCost = await fees.getGasCost(uniswap.gasLimit);
+    const gasCost = await feesOld.getGasCost(
+      fees.getGasPrice(),
+      uniswap.gasLimit
+    );
     try {
       // fetch the optimal pool mix from uniswap
       const result: any =
@@ -250,7 +258,10 @@ router.post('/price', async (req: Request, res: Response) => {
   const quoteToken = eth.getERC20Token(req.body.quote);
   if (baseToken && quoteToken) {
     const side = req.body.side.toUpperCase();
-    const gasCost = await fees.getGasCost(uniswap.gasLimit);
+    const gasCost = await feesOld.getGasCost(
+      fees.getGasPrice(),
+      uniswap.gasLimit
+    );
 
     try {
       const result: any =
@@ -294,7 +305,11 @@ router.post('/price', async (req: Request, res: Response) => {
             trade: trade,
           };
           debug(
-            `Price ${side} ${baseToken.symbol}-${quoteToken.symbol} | amount:${amount} (rate:${tradePrice}) - gasPrice:${fees.getGasPrice()} gasLimit:${uniswap.gasLimit} estimated fee:${gasCost} ETH`
+            `Price ${side} ${baseToken.symbol}-${
+              quoteToken.symbol
+            } | amount:${amount} (rate:${tradePrice}) - gasPrice:${fees.getGasPrice()} gasLimit:${
+              uniswap.gasLimit
+            } estimated fee:${gasCost} ETH`
           );
           res.status(200).json(result);
         } else {
diff --git a/src/routes/uniswap_v3.ts b/src/routes/uniswap_v3.ts
index b421534..4025e6b 100644
--- a/src/routes/uniswap_v3.ts
+++ b/src/routes/uniswap_v3.ts
@@ -24,13 +24,10 @@ const eth = new EthereumService(ethConfig);
 
 const uniswap = new UniswapV3(globalConfig.getConfig('ETHEREUM_CHAIN'));
 
-uniswap.generate_tokens();
-setTimeout(uniswap.update_pairs.bind(uniswap), 2000);
-
 const fees = new Fees();
 
-const swapMoreThanMaxPriceError = 'Price too high';
-const swapLessThanMaxPriceError = 'Price too low';
+// const swapMoreThanMaxPriceError = 'Price too high';
+// const swapLessThanMaxPriceError = 'Price too low';
 
 const estimateGasLimit = () => {
   return uniswap.gasLimit;
@@ -135,12 +132,6 @@ router.get('/start', async (req, res) => {
       error: 'pairs query param required',
     });
   }
-  let gasPrice;
-  if (typeof req.query.gasPrice === 'string') {
-    gasPrice = parseFloat(req.query.gasPrice);
-  } else {
-    gasPrice = fees.ethGasPrice;
-  }
 
   // get token contract address and cache paths
   for (let pair of pairs) {
@@ -159,23 +150,12 @@ router.get('/start', async (req, res) => {
         orderedPairs.push(pair.reverse().join('-'));
       }
 
-      uniswap.extend_update_pairs([
-        baseTokenContractInfo,
-        quoteTokenContractInfo,
-      ]);
-
-      const gasLimit = estimateGasLimit();
-      const gasCost = await fees.getGasCost(gasPrice, gasLimit);
-
       const result = {
         network: eth.networkName,
         timestamp: initTime,
         latency: latency(initTime, Date.now()),
         success: true,
         pairs: orderedPairs,
-        gasPrice: gasPrice,
-        gasLimit: gasLimit,
-        gasCost: gasCost,
       };
       res.status(200).json(result);
     } else {
@@ -191,8 +171,8 @@ router.get('/start', async (req, res) => {
   }
 });
 
-router.post('/trade', async (req: Request, res: Response) => {
-  /*
+/*router.post('/trade', async (req: Request, res: Response) => {
+
       POST: /trade
       x-www-form-urlencoded: {
         "quote":"BAT"
@@ -204,7 +184,7 @@ router.post('/trade', async (req: Request, res: Response) => {
         "privateKey":{{privateKey}}
         "side":{buy|sell}
       }
-*/
+
   const initTime = Date.now();
   // params: privateKey (required), base (required), quote (required), amount (required), maxPrice (required), gasPrice (required)
   const privateKey = req.body.privateKey;
@@ -250,7 +230,7 @@ router.post('/trade', async (req: Request, res: Response) => {
             );
 
       if (side === 'BUY') {
-        const price = trade.executionPrice.invert().toFixed(8);
+        const price = parseFloat(trade.executionPrice.invert().toSignificant(8));
         logger.info(`uniswap.route - Price: ${price.toString()}`);
         if (!limitPrice || price <= limitPrice) {
           // pass swaps to exchange-proxy to complete trade
@@ -286,7 +266,7 @@ router.post('/trade', async (req: Request, res: Response) => {
         }
       } else {
         // sell
-        const price = trade.executionPrice.toFixed(8);
+        const price = parseFloat(trade.executionPrice.toSignificant(8));
         logger.info(`Price: ${price.toString()}`);
         if (!limitPrice || price >= limitPrice) {
           // pass swaps to exchange-proxy to complete trade
@@ -304,8 +284,8 @@ router.post('/trade', async (req: Request, res: Response) => {
             base: baseTokenAddress,
             quote: quoteTokenAddress,
             amount: parseFloat(req.body.amount),
-            expectedOut: expectedAmount.toFixed(8),
-            price: parseFloat(price),
+            expectedOut: expectedAmount.toSignificant(8),
+            price: price,
             gasPrice: gasPrice,
             gasLimit,
             gasCost: gasCost,
@@ -338,7 +318,7 @@ router.post('/trade', async (req: Request, res: Response) => {
     });
   }
 });
-
+*/
 router.post('/price', async (req: Request, res: Response) => {
   /*
     POST: /price
@@ -368,8 +348,9 @@ router.post('/price', async (req: Request, res: Response) => {
     const gasCost = await fees.getGasCost(gasPrice, gasLimit);
     try {
       // fetch pools for all tiers
-      let priceResult, price;
+      let priceResult;  // , price;
       if (req.body.amount) {
+        /*
         // get price at this depth
         const amount = req.body.amount;
         const side = req.body.side.toUpperCase();
@@ -398,6 +379,7 @@ router.post('/price', async (req: Request, res: Response) => {
             expectedAmount: parseFloat(expectedAmount.toFixed(8)),
           };
         }
+        */
       } else {
         // get mid price for all tiers
         priceResult = await uniswap.currentPrice(
@@ -419,7 +401,7 @@ router.post('/price', async (req: Request, res: Response) => {
         gasLimit: gasLimit,
         gasCost: gasCost,
       };
-      debug(
+      logger.info(
         `Mid Price ${baseTokenContractInfo.symbol}-${
           quoteTokenContractInfo.symbol
         } | (rate:${JSON.stringify(
diff --git a/src/services/ethereum.ts b/src/services/ethereum.ts
index 850fb31..71caa93 100644
--- a/src/services/ethereum.ts
+++ b/src/services/ethereum.ts
@@ -3,6 +3,8 @@ import abi from '../assets/abi.json';
 import { BigNumber, Contract, providers, Wallet } from 'ethers';
 import { EthereumConfigService } from './ethereum_config';
 import { default as kovanErc20TokenList } from '../assets/erc20_tokens_kovan.json';
+import { logger } from '../services/logger';
+
 export enum GasStationLevel {
   FAST = 'fast',
   FASTEST = 'fastest',
@@ -20,13 +22,13 @@ export enum Network {
   ROPSTEN = 'ropsten',
 }
 
-export interface EthTransactionReceipt {
-  gasUsed: number;
-  blockNumber: number;
-  confirmations: number;
-  status: number;
-  logs: Array<providers.Log>;
-}
+// export interface EthTransactionReceipt {
+//   gasUsed: number;
+//   blockNumber: number;
+//   confirmations: number;
+//   status: number;
+//   logs: Array<providers.Log>;
+// }
 
 export interface TokenERC20Info {
   symbol: string;
@@ -40,12 +42,12 @@ export interface ERC20TokensList {
   tokens: TokenERC20Info[];
 }
 
-export interface EthTransactionReceipt {
-  gasUsed: number;
-  blockNumber: number;
-  confirmations: number;
-  status: number;
-}
+// export interface EthTransactionReceipt {
+//   gasUsed: number;
+//   blockNumber: number;
+//   confirmations: number;
+//   status: number;
+// }
 
 const stringInsert = (str: string, val: string, index: number) => {
   if (index > 0) {
@@ -81,7 +83,8 @@ export class EthereumService {
         this.chainId = 42;
         this.erc20TokenList = kovanErc20TokenList;
         break;
-      default: // MAINNET
+      default:
+        // MAINNET
         (async () => {
           const { data } = await axios.get(this.config.tokenListUrl);
           this.erc20TokenList = data;
@@ -272,24 +275,28 @@ export class EthereumService {
   /**
    * Get transaction receipt for a transaction hash.
    * @param {string} txHash
-   * @return {Promise<EthTransactionReceipt>}
+   * @return {Promise<any>}
    */
-  async getTransactionReceipt(txHash: string): Promise<EthTransactionReceipt> {
+  async getTransactionReceipt(txHash: string): Promise<any> {
     const transaction = await this.provider.getTransactionReceipt(txHash);
-
-    let gasUsed;
-    if (transaction.gasUsed) {
-      gasUsed = transaction.gasUsed.toNumber();
+    logger.info(transaction);
+    if (transaction) {
+      return {
+        gasUsed: transaction.gasUsed || 0,
+        blockNumber: transaction.blockNumber,
+        confirmations: transaction.confirmations,
+        status: transaction.status || 0,
+        logs: transaction.logs,
+      };
     } else {
-      gasUsed = 0;
+      // transaction is yet to be indexed
+      return {
+        gasUsed: 0,
+        blockNumber: 0,
+        confirmations: 0,
+        status: 0,
+        logs: [],
+      };
     }
-
-    return {
-      gasUsed: gasUsed,
-      blockNumber: transaction.blockNumber,
-      confirmations: transaction.confirmations,
-      status: transaction.status || 0,
-      logs: transaction.logs,
-    };
   }
 }
diff --git a/src/services/fees.js b/src/services/fees.js
index af9c417..d298988 100644
--- a/src/services/fees.js
+++ b/src/services/fees.js
@@ -9,7 +9,9 @@ const globalConfig =
 const ethGasStationEnabled =
   globalConfig.getConfig('ETH_GAS_STATION_ENABLE') || false;
 const ethGasStationApiKey = globalConfig.getConfig('ETH_GAS_STATION_API_KEY');
-const ethManualGasPrice = parseInt(globalConfig.getConfig('ETH_MANUAL_GAS_PRICE'));
+const ethManualGasPrice = parseInt(
+  globalConfig.getConfig('ETH_MANUAL_GAS_PRICE')
+);
 const ethGasStationURL =
   ethGasStationHost + '/api/ethgasAPI.json?api-key=' + ethGasStationApiKey;
 const defaultRefreshInterval = 120;
diff --git a/src/services/terra.ts b/src/services/terra.ts
index 972f55e..4ff6d72 100644
--- a/src/services/terra.ts
+++ b/src/services/terra.ts
@@ -257,7 +257,7 @@ export default class Terra {
     gasAdjustment: number,
     secret: string
   ): Promise<any> {
-      let txResult_;
+    let txResult_;
     try {
       let wallet;
       try {
@@ -322,7 +322,7 @@ export default class Terra {
             .createAndSignTx(txOptions)
             .then((tx: StdTx) => this.lcd.tx.broadcast(tx))
             .then((txResult: BlockTxBroadcastResult) => {
-                txResult_ = txResult;
+              txResult_ = txResult;
               if (!isTxError(txResult)) {
                 tokenSwap.txSuccess = true;
               } else {
diff --git a/src/services/uniswap.js b/src/services/uniswap.js
index ec371f7..4b59185 100644
--- a/src/services/uniswap.js
+++ b/src/services/uniswap.js
@@ -11,7 +11,7 @@ const globalConfig =
 
 // constants
 const ROUTER = '0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D';
-const GAS_LIMIT = 150688;
+const GAS_LIMIT = 200688;
 const TTL = 300;
 
 export default class Uniswap {
diff --git a/src/services/uniswap_v3.js b/src/services/uniswap_v3.js
index 207861d..59b2f16 100644
--- a/src/services/uniswap_v3.js
+++ b/src/services/uniswap_v3.js
@@ -7,7 +7,6 @@ const uniV3 = require('@uniswap/v3-sdk');
 const ethers = require('ethers');
 const globalConfig =
   require('../services/configuration_manager').configManagerInstance;
-const routeTokens = require('../static/uniswap_route_tokens.json');
 
 const nftArtifact = require('@uniswap/v3-periphery/artifacts/contracts/NonfungiblePositionManager.sol/NonfungiblePositionManager.json');
 const routerArtifact = require('@uniswap/v3-periphery/artifacts/contracts/SwapRouter.sol/SwapRouter.json');
@@ -33,17 +32,8 @@ export default class UniswapV3 {
     this.nftManager = globalConfig.getConfig('UNISWAP_V3_NFT_MANAGER');
     this.core = globalConfig.getConfig('UNISWAP_V3_CORE');
     this.slippage = globalConfig.getConfig('UNISWAP_ALLOWED_SLIPPAGE');
-    this.pairsCacheTime = globalConfig.getConfig('UNISWAP_PAIRS_CACHE_TIME');
     this.gasLimit = GAS_LIMIT;
-    this.expireTokenPairUpdate = UPDATE_PERIOD;
-    this.zeroReserveCheckInterval = globalConfig.getConfig(
-      'UNISWAP_NO_RESERVE_CHECK_INTERVAL'
-    );
-    this.zeroReservePairs = {}; // No reserve pairs
     this.tokenList = {};
-    this.pools = {};
-    this.tokenSwapList = {};
-    this.cachedRoutes = {};
     this.abiDecoder = abiDecoder;
 
     switch (network) {
@@ -154,7 +144,6 @@ export default class UniswapV3 {
   ) {
     let fetchPrice = [],
       prices = [];
-    this.extend_update_pairs([tokenInAddressInfo, tokenOutAddressInfo]);
     const tokenIn = this.get_token(tokenInAddressInfo);
     const tokenOut = this.get_token(tokenOutAddressInfo);
     const poolContract = new ethers.Contract(
@@ -193,167 +182,85 @@ This swap section of this code is a duplicate of Uniswap v2 with little modifica
 Note that extending the uniswap v2 code may be possible in the future if uniswap v2 is updated to use the new uniswap/sdk-core library.
 */
   /////////////////////////////////////////////////////// Swap section
-  generate_tokens() {
-    for (let token of routeTokens[this.network]) {
-      this.get_token(token);
-    }
-  }
-
-  extend_update_pairs(tokens = []) {
-    for (let token of tokens) {
-      if (
-        !Object.prototype.hasOwnProperty.call(this.tokenList, token.address)
-      ) {
-        this.get_token(token);
-      }
-      this.tokenSwapList[token.address] =
-        Date.now() + this.expireTokenPairUpdate;
-    }
-  }
-
-  async update_pairs() {
-    // Remove banned pairs after ban period
-    if (Object.keys(this.zeroReservePairs).length > 0) {
-      for (let pair in this.zeroReservePairs) {
-        if (this.zeroReservePairs[pair] <= Date.now()) {
-          delete this.zeroReservePairs[pair];
-          // delete this.tokenList[token];
-        }
+/*
+  async get_pairs(firstToken, secondToken) {
+    let poolDataRequests = [];
+    let pools = [];
+    try {
+      for (let tier of ['LOW', 'MEDIUM', 'HIGH']) {
+        let poolAddress = uniV3.Pool.getAddress(
+          firstToken,
+          secondToken,
+          FeeAmount[tier]
+        );
+        poolDataRequests.push(
+          this.get_pool_state(
+            poolAddress,
+            FeeAmount[tier],
+            this.provider
+          )
+        );
       }
+    } catch (err) {
+      logger.error(err);
     }
-    // Generate all possible pair combinations of tokens
-    // This is done by generating an upper triangular matrix or right triangular matrix
-    if (Object.keys(this.tokenSwapList).length > 0) {
-      for (let tokenAddr in this.tokenSwapList) {
-        if (this.tokenSwapList[tokenAddr] <= Date.now()) {
-          delete this.tokenSwapList[tokenAddr];
-          // delete this.tokenList[tokenAddr];
-        }
-      }
-
-      let tokens = Object.keys(this.tokenList);
-      var firstToken, secondToken, position;
-      let length = tokens.length;
-      let pairs = [];
-      let poolDataRequests = [];
-      for (firstToken = 0; firstToken < length; firstToken++) {
-        for (
-          secondToken = firstToken + 1;
-          secondToken < length;
-          secondToken++
-        ) {
+    await Promise.allSettled(poolDataRequests).then((values) => {
+      for (let position = 0; position < poolDataRequests.length; position++) {
+        if (values[position].status === 'fulfilled') {
           try {
-            for (let tier of ['LOW', 'MEDIUM', 'HIGH']) {
-              let poolAddress = uniV3.Pool.getAddress(
-                this.tokenList[tokens[firstToken]],
-                this.tokenList[tokens[secondToken]],
-                FeeAmount[tier]
-              );
-              if (
-                !Object.prototype.hasOwnProperty.call(
-                  this.zeroReservePairs,
-                  poolAddress
-                )
-              ) {
-                pairs.push([
-                  poolAddress,
-                  this.tokenList[tokens[firstToken]],
-                  this.tokenList[tokens[secondToken]],
-                ]);
-                poolDataRequests.push(
-                  this.get_pool_state(
-                    poolAddress,
-                    FeeAmount[tier],
-                    this.provider
-                  )
-                );
-              }
-            }
+            let poolData = values[position].value;
+            pools.push(new uniV3.Pool(
+              firstToken,
+              secondToken,
+              poolData.fee,
+              poolData.sqrtPriceX96.toString(),
+              poolData.liquidity.toString(),
+              poolData.tick,
+              poolData.tickProvider
+            ));
           } catch (err) {
             logger.error(err);
           }
         }
       }
-
-      await Promise.allSettled(poolDataRequests).then((values) => {
-        for (position = 0; position < poolDataRequests.length; position++) {
-          if (values[position].status === 'fulfilled') {
-            try {
-              let poolData = values[position].value;
-              this.pools[pairs[position][0]] = new uniV3.Pool(
-                pairs[position][1],
-                pairs[position][2],
-                poolData.fee,
-                poolData.sqrtPriceX96.toString(),
-                poolData.liquidity.toString(),
-                poolData.tick,
-                poolData.tickProvider
-              );
-            } catch (err) {
-              debug(err);
-            }
-          } else {
-            this.zeroReservePairs[pairs[position][0]] =
-              Date.now() + this.zeroReserveCheckInterval;
-          }
-        }
-      });
-    }
-    setTimeout(this.update_pairs.bind(this), 4000);
+    });
+    return pools;
   }
 
   async priceSwapIn(tokenIn, tokenOut, tokenInAmount) {
-    this.extend_update_pairs([tokenIn, tokenOut]);
-    const tIn = this.tokenList[tokenIn.address];
-    const tOut = this.tokenList[tokenOut.address];
+    const tIn = this.get_token(tokenIn);
+    const tOut = this.get_token(tokenOut);
     const tokenAmountIn = new uni.CurrencyAmount.fromRawAmount(
       tIn,
       ethers.utils.parseUnits(tokenInAmount, tIn.decimals)
     );
-    if (Object.values(this.pools).length === 0) {
-      throw 'Connector not ready';
-    }
+    const pools = await this.get_pairs(tIn, tOut);
     const trades = await uniV3.Trade.bestTradeExactIn(
-      Object.values(this.pools),
+      pools,
       tokenAmountIn,
       tOut,
       { maxHops: 1 }
     );
-    let trade;
-    if (trades === undefined) {
-      trade = this.cachedRoutes[tIn.symbol + tOut.Symbol];
-    } else {
-      this.cachedRoutes[tIn.symbol + tOut.Symbol] = trades[0];
-      trade = trades[0];
-    }
+    let trade = trades[0]
     const expectedAmount = trade.minimumAmountOut(this.get_slippage());
     return { trade, expectedAmount };
   }
 
   async priceSwapOut(tokenIn, tokenOut, tokenOutAmount) {
-    this.extend_update_pairs([tokenIn, tokenOut]);
-    const tOut = this.tokenList[tokenOut.address];
-    const tIn = this.tokenList[tokenIn.address];
+    const tIn = this.get_token(tokenIn);
+    const tOut = this.get_token(tokenOut);
     const tokenAmountOut = new uni.CurrencyAmount.fromRawAmount(
       tOut,
       ethers.utils.parseUnits(tokenOutAmount, tOut.decimals)
     );
-    if (Object.values(this.pools).length === 0) {
-      throw 'Connector not ready';
-    }
+    const pools = await this.get_pairs(tIn, tOut);
     const trades = await uniV3.Trade.bestTradeExactOut(
-      Object.values(this.pools),
+      pools,
       tIn,
       tokenAmountOut,
       { maxHops: 1 }
     );
-    let trade;
-    if (trades === undefined) {
-      trade = this.cachedRoutes[tIn.symbol + tOut.Symbol];
-    } else {
-      this.cachedRoutes[tIn.symbol + tOut.Symbol] = trades[0];
-      trade = trades[0];
-    }
+    let trade = trades[0]
     const expectedAmount = trade.maximumAmountIn(this.get_slippage());
     return { trade, expectedAmount };
   }
@@ -377,7 +284,7 @@ Note that extending the uniswap v2 code may be possible in the future if uniswap
   }
 
   /////////////////////////////////////////////////// End of Swap section
-
+*/
   //////////////////////////////////////////////////////////// LP section
 
   async getPosition(wallet, tokenId, eth, isRaw = false) {
@@ -440,7 +347,7 @@ Note that extending the uniswap v2 code may be possible in the future if uniswap
       liquidityPercentage: this.get_percent(percent),
       slippageTolerance: this.get_slippage(),
       deadline: this.get_ttl(),
-      burnToken: percent == 100 ? true : false,
+      burnToken: false,  // percent == 100 ? true : false,
       collectOptions: {
         expectedCurrencyOwed0: new uni.CurrencyAmount.fromRawAmount(
           token0,
@@ -609,3 +516,4 @@ Note that extending the uniswap v2 code may be possible in the future if uniswap
   }
 }
 /////////////////////////////////////////////////////////// End of LP section
+exports.default = UniswapV3;
diff --git a/test/command.md b/test/command.md
deleted file mode 100644
index 7ddb10c..0000000
--- a/test/command.md
+++ /dev/null
@@ -1,3 +0,0 @@
-
-# test endpoint
-curl --insecure --key /home/dev/bots/hbot_files/hummingbot_certs/client_key.pem --cert /home/dev/bots/hbot_files/hummingbot_certs/client_cert.pem https://localhost:5000/api
diff --git a/test/conf/ca.cnf b/test/conf/ca.cnf
deleted file mode 100644
index d415734..0000000
--- a/test/conf/ca.cnf
+++ /dev/null
@@ -1,25 +0,0 @@
-[ ca ]
-default_ca      = CA_default
-
-[ CA_default ]
-serial = ca-serial
-crl = ca-crl.pem
-database = ca-database.txt
-name_opt = CA_default
-cert_opt = CA_default
-default_crl_days = 365
-default_md = md5
-
-[ req ]
-default_bits           = 4096
-days                   = 365
-distinguished_name     = req_distinguished_name
-attributes             = req_attributes
-prompt                 = no
-output_password        = password
-
-[ req_distinguished_name ]
-CN                     = ca
-
-[ req_attributes ]
-challengePassword      = test
diff --git a/test/conf/client.cnf b/test/conf/client.cnf
deleted file mode 100644
index 4bf4921..0000000
--- a/test/conf/client.cnf
+++ /dev/null
@@ -1,13 +0,0 @@
-[ req ]
-default_bits           = 4096
-days                   = 365
-distinguished_name     = req_distinguished_name
-attributes             = req_attributes
-prompt                 = no
-
-[ req_distinguished_name ]
-O                      = Hummingbot
-CN                     = client
-
-[ req_attributes ]
-challengePassword      = password
diff --git a/test/conf/server.cnf b/test/conf/server.cnf
deleted file mode 100644
index 0dd2c3a..0000000
--- a/test/conf/server.cnf
+++ /dev/null
@@ -1,13 +0,0 @@
-[ req ]
-default_bits           = 4096
-days                   = 365
-distinguished_name     = req_distinguished_name
-attributes             = req_attributes
-prompt                 = no
-
-[ req_distinguished_name ]
-O                      = Hummingbot
-CN                     = localhost
-
-[ req_attributes ]
-challengePassword      = password
diff --git a/test/index.js b/test/index.js
deleted file mode 100644
index ff7bd09..0000000
--- a/test/index.js
+++ /dev/null
@@ -1 +0,0 @@
-// placeholder
diff --git a/test/postman/Gateway-Ethereum-Base.postman_collection.json b/test/postman/Gateway-Ethereum-Base.postman_collection.json
deleted file mode 100644
index b73fe32..0000000
--- a/test/postman/Gateway-Ethereum-Base.postman_collection.json
+++ /dev/null
@@ -1,1139 +0,0 @@
-{
-  "info": {
-    "_postman_id": "e39af94e-6095-479e-8ba0-66930b12e364",
-    "name": "Gateway-Ethereum-Base",
-    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
-  },
-  "item": [
-    {
-      "name": "ethereum",
-      "item": [
-        {
-          "name": "eth/balances",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "tokenAddressList",
-                  "value": "{ \"{{WETH}}\": 18,  \"{{DAI}}\": 18}",
-                  "type": "text"
-                },
-                {
-                  "key": "connector",
-                  "value": "balancer",
-                  "type": "text"
-                },
-                {
-                  "key": "privateKey",
-                  "value": "{{privateKey}}",
-                  "type": "text"
-                }
-              ]
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/eth/balances",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["eth", "balances"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "eth/allowances",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "tokenAddressList",
-                  "value": "{ \"{{BAT}}\": 18, \"{{DAI}}\": 18 }",
-                  "type": "text"
-                },
-                {
-                  "key": "connector",
-                  "value": "balancer",
-                  "type": "text"
-                },
-                {
-                  "key": "privateKey",
-                  "value": "{{privateKey}}",
-                  "type": "text"
-                }
-              ],
-              "options": {
-                "raw": {
-                  "language": "json"
-                }
-              }
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/eth/allowances",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["eth", "allowances"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "eth/approve",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "tokenAddress",
-                  "value": "{{WETH}}",
-                  "type": "text"
-                },
-                {
-                  "key": "privateKey",
-                  "value": "{{privateKey}}",
-                  "type": "text"
-                },
-                {
-                  "key": "gasPrice",
-                  "value": "23",
-                  "type": "text"
-                },
-                {
-                  "key": "decimals",
-                  "value": "18",
-                  "type": "text"
-                },
-                {
-                  "key": "connector",
-                  "value": "balancer",
-                  "type": "text"
-                },
-                {
-                  "key": "amount",
-                  "value": "999999",
-                  "type": "text"
-                }
-              ]
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/eth/approve",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["eth", "approve"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "eth/get-receipt",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "txHash",
-                  "value": "{{txHash}}",
-                  "type": "text"
-                }
-              ],
-              "options": {
-                "raw": {
-                  "language": "json"
-                }
-              }
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/eth/get-receipt",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["eth", "get-receipt"]
-            }
-          },
-          "response": []
-        }
-      ],
-      "protocolProfileBehavior": {}
-    },
-    {
-      "name": "balancer",
-      "item": [
-        {
-          "name": "balancer",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [],
-              "options": {
-                "raw": {
-                  "language": "json"
-                }
-              }
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/balancer",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["balancer"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "balancer/gas-limit",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "maxSwaps",
-                  "value": "3",
-                  "type": "text"
-                }
-              ],
-              "options": {
-                "raw": {
-                  "language": "json"
-                }
-              }
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/balancer/gas-limit",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["balancer", "gas-limit"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "balancer/buy-price/",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "base",
-                  "value": "{{BAT}}",
-                  "type": "text"
-                },
-                {
-                  "key": "quote",
-                  "value": "{{DAI}}",
-                  "type": "text"
-                },
-                {
-                  "key": "amount",
-                  "value": "10",
-                  "type": "text"
-                },
-                {
-                  "key": "maxSwaps",
-                  "value": "4",
-                  "type": "text"
-                },
-                {
-                  "key": "base_decimals",
-                  "value": "18",
-                  "type": "text"
-                },
-                {
-                  "key": "quote_decimals",
-                  "value": "18",
-                  "type": "text"
-                }
-              ]
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/balancer/buy-price",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["balancer", "buy-price"]
-            }
-          },
-          "response": [
-            {
-              "name": "{network}/quote",
-              "originalRequest": {
-                "method": "GET",
-                "header": [],
-                "url": {
-                  "raw": "http://localhost:5000/{{network}}/quote/trading_pair/{{celo-cusd}}/amount/1",
-                  "protocol": "http",
-                  "host": ["localhost"],
-                  "port": "5000",
-                  "path": [
-                    "{{network}}",
-                    "quote",
-                    "trading_pair",
-                    "{{celo-cusd}}",
-                    "amount",
-                    "1"
-                  ]
-                }
-              },
-              "status": "OK",
-              "code": 200,
-              "_postman_previewlanguage": "json",
-              "header": [
-                {
-                  "key": "Content-Security-Policy",
-                  "value": "default-src 'self';base-uri 'self';block-all-mixed-content;font-src 'self' https: data:;frame-ancestors 'self';img-src 'self' data:;object-src 'none';script-src 'self';script-src-attr 'none';style-src 'self' https: 'unsafe-inline';upgrade-insecure-requests"
-                },
-                {
-                  "key": "X-DNS-Prefetch-Control",
-                  "value": "off"
-                },
-                {
-                  "key": "Expect-CT",
-                  "value": "max-age=0"
-                },
-                {
-                  "key": "X-Frame-Options",
-                  "value": "SAMEORIGIN"
-                },
-                {
-                  "key": "Strict-Transport-Security",
-                  "value": "max-age=15552000; includeSubDomains"
-                },
-                {
-                  "key": "X-Download-Options",
-                  "value": "noopen"
-                },
-                {
-                  "key": "X-Content-Type-Options",
-                  "value": "nosniff"
-                },
-                {
-                  "key": "X-Permitted-Cross-Domain-Policies",
-                  "value": "none"
-                },
-                {
-                  "key": "Referrer-Policy",
-                  "value": "no-referrer"
-                },
-                {
-                  "key": "X-XSS-Protection",
-                  "value": "0"
-                },
-                {
-                  "key": "Content-Type",
-                  "value": "application/json; charset=utf-8"
-                },
-                {
-                  "key": "Content-Length",
-                  "value": "97"
-                },
-                {
-                  "key": "ETag",
-                  "value": "W/\"61-Wemp9YmP9g/CsUFMa7Y5zK6SoLQ\""
-                },
-                {
-                  "key": "Date",
-                  "value": "Wed, 23 Sep 2020 18:07:26 GMT"
-                },
-                {
-                  "key": "Connection",
-                  "value": "keep-alive"
-                }
-              ],
-              "cookie": [],
-              "body": "{\n    \"timestamp\": 1600884444051,\n    \"latency\": 2.542,\n    \"trading_pair\": \"CELO-CUSD\",\n    \"price\": 2.5435604641582747\n}"
-            }
-          ]
-        },
-        {
-          "name": "balancer/sell-price/",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "base",
-                  "value": "{{BAT}}",
-                  "type": "text"
-                },
-                {
-                  "key": "quote",
-                  "value": "{{DAI}}",
-                  "type": "text"
-                },
-                {
-                  "key": "amount",
-                  "value": "10",
-                  "type": "text"
-                },
-                {
-                  "key": "maxSwaps",
-                  "value": "4",
-                  "type": "text"
-                },
-                {
-                  "key": "base_decimals",
-                  "value": "18",
-                  "type": "text"
-                },
-                {
-                  "key": "quote_decimals",
-                  "value": "18",
-                  "type": "text"
-                }
-              ]
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/balancer/sell-price",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["balancer", "sell-price"]
-            }
-          },
-          "response": [
-            {
-              "name": "{network}/quote",
-              "originalRequest": {
-                "method": "GET",
-                "header": [],
-                "url": {
-                  "raw": "http://localhost:5000/{{network}}/quote/trading_pair/{{celo-cusd}}/amount/1",
-                  "protocol": "http",
-                  "host": ["localhost"],
-                  "port": "5000",
-                  "path": [
-                    "{{network}}",
-                    "quote",
-                    "trading_pair",
-                    "{{celo-cusd}}",
-                    "amount",
-                    "1"
-                  ]
-                }
-              },
-              "status": "OK",
-              "code": 200,
-              "_postman_previewlanguage": "json",
-              "header": [
-                {
-                  "key": "Content-Security-Policy",
-                  "value": "default-src 'self';base-uri 'self';block-all-mixed-content;font-src 'self' https: data:;frame-ancestors 'self';img-src 'self' data:;object-src 'none';script-src 'self';script-src-attr 'none';style-src 'self' https: 'unsafe-inline';upgrade-insecure-requests"
-                },
-                {
-                  "key": "X-DNS-Prefetch-Control",
-                  "value": "off"
-                },
-                {
-                  "key": "Expect-CT",
-                  "value": "max-age=0"
-                },
-                {
-                  "key": "X-Frame-Options",
-                  "value": "SAMEORIGIN"
-                },
-                {
-                  "key": "Strict-Transport-Security",
-                  "value": "max-age=15552000; includeSubDomains"
-                },
-                {
-                  "key": "X-Download-Options",
-                  "value": "noopen"
-                },
-                {
-                  "key": "X-Content-Type-Options",
-                  "value": "nosniff"
-                },
-                {
-                  "key": "X-Permitted-Cross-Domain-Policies",
-                  "value": "none"
-                },
-                {
-                  "key": "Referrer-Policy",
-                  "value": "no-referrer"
-                },
-                {
-                  "key": "X-XSS-Protection",
-                  "value": "0"
-                },
-                {
-                  "key": "Content-Type",
-                  "value": "application/json; charset=utf-8"
-                },
-                {
-                  "key": "Content-Length",
-                  "value": "97"
-                },
-                {
-                  "key": "ETag",
-                  "value": "W/\"61-Wemp9YmP9g/CsUFMa7Y5zK6SoLQ\""
-                },
-                {
-                  "key": "Date",
-                  "value": "Wed, 23 Sep 2020 18:07:26 GMT"
-                },
-                {
-                  "key": "Connection",
-                  "value": "keep-alive"
-                }
-              ],
-              "cookie": [],
-              "body": "{\n    \"timestamp\": 1600884444051,\n    \"latency\": 2.542,\n    \"trading_pair\": \"CELO-CUSD\",\n    \"price\": 2.5435604641582747\n}"
-            }
-          ]
-        },
-        {
-          "name": "balancer/buy",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "base",
-                  "value": "{{BAT}}",
-                  "type": "text"
-                },
-                {
-                  "key": "quote",
-                  "value": "{{DAI}}",
-                  "type": "text"
-                },
-                {
-                  "key": "amount",
-                  "value": "1",
-                  "type": "text"
-                },
-                {
-                  "key": "maxSwaps",
-                  "value": "4",
-                  "type": "text"
-                },
-                {
-                  "key": "maxPrice",
-                  "value": "0.19767217120251",
-                  "type": "text"
-                },
-                {
-                  "key": "gasPrice",
-                  "value": "37",
-                  "type": "text"
-                },
-                {
-                  "key": "privateKey",
-                  "value": "{{privateKey}}",
-                  "type": "text"
-                },
-                {
-                  "key": "base_decimals",
-                  "value": "18",
-                  "type": "text"
-                },
-                {
-                  "key": "quote_decimals",
-                  "value": "18",
-                  "type": "text"
-                }
-              ]
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/balancer/buy",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["balancer", "buy"]
-            }
-          },
-          "response": [
-            {
-              "name": "{network}/quote",
-              "originalRequest": {
-                "method": "GET",
-                "header": [],
-                "url": {
-                  "raw": "http://localhost:5000/{{network}}/quote/trading_pair/{{celo-cusd}}/amount/1",
-                  "protocol": "http",
-                  "host": ["localhost"],
-                  "port": "5000",
-                  "path": [
-                    "{{network}}",
-                    "quote",
-                    "trading_pair",
-                    "{{celo-cusd}}",
-                    "amount",
-                    "1"
-                  ]
-                }
-              },
-              "status": "OK",
-              "code": 200,
-              "_postman_previewlanguage": "json",
-              "header": [
-                {
-                  "key": "Content-Security-Policy",
-                  "value": "default-src 'self';base-uri 'self';block-all-mixed-content;font-src 'self' https: data:;frame-ancestors 'self';img-src 'self' data:;object-src 'none';script-src 'self';script-src-attr 'none';style-src 'self' https: 'unsafe-inline';upgrade-insecure-requests"
-                },
-                {
-                  "key": "X-DNS-Prefetch-Control",
-                  "value": "off"
-                },
-                {
-                  "key": "Expect-CT",
-                  "value": "max-age=0"
-                },
-                {
-                  "key": "X-Frame-Options",
-                  "value": "SAMEORIGIN"
-                },
-                {
-                  "key": "Strict-Transport-Security",
-                  "value": "max-age=15552000; includeSubDomains"
-                },
-                {
-                  "key": "X-Download-Options",
-                  "value": "noopen"
-                },
-                {
-                  "key": "X-Content-Type-Options",
-                  "value": "nosniff"
-                },
-                {
-                  "key": "X-Permitted-Cross-Domain-Policies",
-                  "value": "none"
-                },
-                {
-                  "key": "Referrer-Policy",
-                  "value": "no-referrer"
-                },
-                {
-                  "key": "X-XSS-Protection",
-                  "value": "0"
-                },
-                {
-                  "key": "Content-Type",
-                  "value": "application/json; charset=utf-8"
-                },
-                {
-                  "key": "Content-Length",
-                  "value": "97"
-                },
-                {
-                  "key": "ETag",
-                  "value": "W/\"61-Wemp9YmP9g/CsUFMa7Y5zK6SoLQ\""
-                },
-                {
-                  "key": "Date",
-                  "value": "Wed, 23 Sep 2020 18:07:26 GMT"
-                },
-                {
-                  "key": "Connection",
-                  "value": "keep-alive"
-                }
-              ],
-              "cookie": [],
-              "body": "{\n    \"timestamp\": 1600884444051,\n    \"latency\": 2.542,\n    \"trading_pair\": \"CELO-CUSD\",\n    \"price\": 2.5435604641582747\n}"
-            }
-          ]
-        },
-        {
-          "name": "balancer/sell",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "base",
-                  "value": "{{BAT}}",
-                  "type": "text"
-                },
-                {
-                  "key": "quote",
-                  "value": "{{DAI}}",
-                  "type": "text"
-                },
-                {
-                  "key": "amount",
-                  "value": "0.1",
-                  "type": "text"
-                },
-                {
-                  "key": "maxSwaps",
-                  "value": "4",
-                  "type": "text"
-                },
-                {
-                  "key": "maxPrice",
-                  "value": "0.2685681573104575",
-                  "type": "text"
-                },
-                {
-                  "key": "gasPrice",
-                  "value": "37",
-                  "type": "text"
-                },
-                {
-                  "key": "privateKey",
-                  "value": "{{privateKey}}",
-                  "type": "text"
-                },
-                {
-                  "key": "base_decimals",
-                  "value": "18",
-                  "type": "text"
-                },
-                {
-                  "key": "quote_decimals",
-                  "value": "18",
-                  "type": "text"
-                }
-              ]
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/balancer/sell",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["balancer", "sell"]
-            }
-          },
-          "response": [
-            {
-              "name": "{network}/quote",
-              "originalRequest": {
-                "method": "GET",
-                "header": [],
-                "url": {
-                  "raw": "http://localhost:5000/{{network}}/quote/trading_pair/{{celo-cusd}}/amount/1",
-                  "protocol": "http",
-                  "host": ["localhost"],
-                  "port": "5000",
-                  "path": [
-                    "{{network}}",
-                    "quote",
-                    "trading_pair",
-                    "{{celo-cusd}}",
-                    "amount",
-                    "1"
-                  ]
-                }
-              },
-              "status": "OK",
-              "code": 200,
-              "_postman_previewlanguage": "json",
-              "header": [
-                {
-                  "key": "Content-Security-Policy",
-                  "value": "default-src 'self';base-uri 'self';block-all-mixed-content;font-src 'self' https: data:;frame-ancestors 'self';img-src 'self' data:;object-src 'none';script-src 'self';script-src-attr 'none';style-src 'self' https: 'unsafe-inline';upgrade-insecure-requests"
-                },
-                {
-                  "key": "X-DNS-Prefetch-Control",
-                  "value": "off"
-                },
-                {
-                  "key": "Expect-CT",
-                  "value": "max-age=0"
-                },
-                {
-                  "key": "X-Frame-Options",
-                  "value": "SAMEORIGIN"
-                },
-                {
-                  "key": "Strict-Transport-Security",
-                  "value": "max-age=15552000; includeSubDomains"
-                },
-                {
-                  "key": "X-Download-Options",
-                  "value": "noopen"
-                },
-                {
-                  "key": "X-Content-Type-Options",
-                  "value": "nosniff"
-                },
-                {
-                  "key": "X-Permitted-Cross-Domain-Policies",
-                  "value": "none"
-                },
-                {
-                  "key": "Referrer-Policy",
-                  "value": "no-referrer"
-                },
-                {
-                  "key": "X-XSS-Protection",
-                  "value": "0"
-                },
-                {
-                  "key": "Content-Type",
-                  "value": "application/json; charset=utf-8"
-                },
-                {
-                  "key": "Content-Length",
-                  "value": "97"
-                },
-                {
-                  "key": "ETag",
-                  "value": "W/\"61-Wemp9YmP9g/CsUFMa7Y5zK6SoLQ\""
-                },
-                {
-                  "key": "Date",
-                  "value": "Wed, 23 Sep 2020 18:07:26 GMT"
-                },
-                {
-                  "key": "Connection",
-                  "value": "keep-alive"
-                }
-              ],
-              "cookie": [],
-              "body": "{\n    \"timestamp\": 1600884444051,\n    \"latency\": 2.542,\n    \"trading_pair\": \"CELO-CUSD\",\n    \"price\": 2.5435604641582747\n}"
-            }
-          ]
-        }
-      ],
-      "protocolProfileBehavior": {}
-    },
-    {
-      "name": "uniswap",
-      "item": [
-        {
-          "name": "uniswap",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [],
-              "options": {
-                "raw": {
-                  "language": "json"
-                }
-              }
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/uniswap",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["uniswap"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "uniswap/gas-limit",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [],
-              "options": {
-                "raw": {
-                  "language": "json"
-                }
-              }
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/uniswap/gas-limit",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["uniswap", "gas-limit"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "uniswap/buy-price/",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "base",
-                  "value": "{{BAT}}",
-                  "type": "text"
-                },
-                {
-                  "key": "quote",
-                  "value": "{{DAI}}",
-                  "type": "text"
-                },
-                {
-                  "key": "amount",
-                  "value": "10",
-                  "type": "text"
-                },
-                {
-                  "key": "base_decimals",
-                  "value": "18",
-                  "type": "text"
-                },
-                {
-                  "key": "quote_decimals",
-                  "value": "18",
-                  "type": "text"
-                }
-              ]
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/uniswap/buy-price",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["uniswap", "buy-price"]
-            }
-          },
-          "response": [
-            {
-              "name": "{network}/quote",
-              "originalRequest": {
-                "method": "GET",
-                "header": [],
-                "url": {
-                  "raw": "http://localhost:5000/{{network}}/quote/trading_pair/{{celo-cusd}}/amount/1",
-                  "protocol": "http",
-                  "host": ["localhost"],
-                  "port": "5000",
-                  "path": [
-                    "{{network}}",
-                    "quote",
-                    "trading_pair",
-                    "{{celo-cusd}}",
-                    "amount",
-                    "1"
-                  ]
-                }
-              },
-              "status": "OK",
-              "code": 200,
-              "_postman_previewlanguage": "json",
-              "header": [
-                {
-                  "key": "Content-Security-Policy",
-                  "value": "default-src 'self';base-uri 'self';block-all-mixed-content;font-src 'self' https: data:;frame-ancestors 'self';img-src 'self' data:;object-src 'none';script-src 'self';script-src-attr 'none';style-src 'self' https: 'unsafe-inline';upgrade-insecure-requests"
-                },
-                {
-                  "key": "X-DNS-Prefetch-Control",
-                  "value": "off"
-                },
-                {
-                  "key": "Expect-CT",
-                  "value": "max-age=0"
-                },
-                {
-                  "key": "X-Frame-Options",
-                  "value": "SAMEORIGIN"
-                },
-                {
-                  "key": "Strict-Transport-Security",
-                  "value": "max-age=15552000; includeSubDomains"
-                },
-                {
-                  "key": "X-Download-Options",
-                  "value": "noopen"
-                },
-                {
-                  "key": "X-Content-Type-Options",
-                  "value": "nosniff"
-                },
-                {
-                  "key": "X-Permitted-Cross-Domain-Policies",
-                  "value": "none"
-                },
-                {
-                  "key": "Referrer-Policy",
-                  "value": "no-referrer"
-                },
-                {
-                  "key": "X-XSS-Protection",
-                  "value": "0"
-                },
-                {
-                  "key": "Content-Type",
-                  "value": "application/json; charset=utf-8"
-                },
-                {
-                  "key": "Content-Length",
-                  "value": "97"
-                },
-                {
-                  "key": "ETag",
-                  "value": "W/\"61-Wemp9YmP9g/CsUFMa7Y5zK6SoLQ\""
-                },
-                {
-                  "key": "Date",
-                  "value": "Wed, 23 Sep 2020 18:07:26 GMT"
-                },
-                {
-                  "key": "Connection",
-                  "value": "keep-alive"
-                }
-              ],
-              "cookie": [],
-              "body": "{\n    \"timestamp\": 1600884444051,\n    \"latency\": 2.542,\n    \"trading_pair\": \"CELO-CUSD\",\n    \"price\": 2.5435604641582747\n}"
-            }
-          ]
-        },
-        {
-          "name": "uniswap/sell-price/",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "base",
-                  "value": "{{BAT}}",
-                  "type": "text"
-                },
-                {
-                  "key": "quote",
-                  "value": "{{DAI}}",
-                  "type": "text"
-                },
-                {
-                  "key": "amount",
-                  "value": "10",
-                  "type": "text"
-                },
-                {
-                  "key": "base_decimals",
-                  "value": "18",
-                  "type": "text"
-                },
-                {
-                  "key": "quote_decimals",
-                  "value": "18",
-                  "type": "text"
-                }
-              ]
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/uniswap/sell-price",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["uniswap", "sell-price"]
-            }
-          },
-          "response": [
-            {
-              "name": "{network}/quote",
-              "originalRequest": {
-                "method": "GET",
-                "header": [],
-                "url": {
-                  "raw": "http://localhost:5000/{{network}}/quote/trading_pair/{{celo-cusd}}/amount/1",
-                  "protocol": "http",
-                  "host": ["localhost"],
-                  "port": "5000",
-                  "path": [
-                    "{{network}}",
-                    "quote",
-                    "trading_pair",
-                    "{{celo-cusd}}",
-                    "amount",
-                    "1"
-                  ]
-                }
-              },
-              "status": "OK",
-              "code": 200,
-              "_postman_previewlanguage": "json",
-              "header": [
-                {
-                  "key": "Content-Security-Policy",
-                  "value": "default-src 'self';base-uri 'self';block-all-mixed-content;font-src 'self' https: data:;frame-ancestors 'self';img-src 'self' data:;object-src 'none';script-src 'self';script-src-attr 'none';style-src 'self' https: 'unsafe-inline';upgrade-insecure-requests"
-                },
-                {
-                  "key": "X-DNS-Prefetch-Control",
-                  "value": "off"
-                },
-                {
-                  "key": "Expect-CT",
-                  "value": "max-age=0"
-                },
-                {
-                  "key": "X-Frame-Options",
-                  "value": "SAMEORIGIN"
-                },
-                {
-                  "key": "Strict-Transport-Security",
-                  "value": "max-age=15552000; includeSubDomains"
-                },
-                {
-                  "key": "X-Download-Options",
-                  "value": "noopen"
-                },
-                {
-                  "key": "X-Content-Type-Options",
-                  "value": "nosniff"
-                },
-                {
-                  "key": "X-Permitted-Cross-Domain-Policies",
-                  "value": "none"
-                },
-                {
-                  "key": "Referrer-Policy",
-                  "value": "no-referrer"
-                },
-                {
-                  "key": "X-XSS-Protection",
-                  "value": "0"
-                },
-                {
-                  "key": "Content-Type",
-                  "value": "application/json; charset=utf-8"
-                },
-                {
-                  "key": "Content-Length",
-                  "value": "97"
-                },
-                {
-                  "key": "ETag",
-                  "value": "W/\"61-Wemp9YmP9g/CsUFMa7Y5zK6SoLQ\""
-                },
-                {
-                  "key": "Date",
-                  "value": "Wed, 23 Sep 2020 18:07:26 GMT"
-                },
-                {
-                  "key": "Connection",
-                  "value": "keep-alive"
-                }
-              ],
-              "cookie": [],
-              "body": "{\n    \"timestamp\": 1600884444051,\n    \"latency\": 2.542,\n    \"trading_pair\": \"CELO-CUSD\",\n    \"price\": 2.5435604641582747\n}"
-            }
-          ]
-        }
-      ],
-      "protocolProfileBehavior": {}
-    }
-  ],
-  "protocolProfileBehavior": {}
-}
diff --git a/test/postman/Uniswap_V3_postman_collection.json b/test/postman/Uniswap_V3_postman_collection.json
deleted file mode 100644
index 556acd5..0000000
--- a/test/postman/Uniswap_V3_postman_collection.json
+++ /dev/null
@@ -1,465 +0,0 @@
-{
-  "info": {
-    "_postman_id": "5de36bfa-027e-46e3-810d-219e42c75314",
-    "name": "Uniswap V3",
-    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
-  },
-  "item": [
-    {
-      "name": "uniswap v3 endpoints",
-      "item": [
-        {
-          "name": "eth/uniswap/v3",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [],
-              "options": {
-                "raw": {
-                  "language": "json"
-                }
-              }
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/eth/uniswap/v3",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["eth", "uniswap", "v3"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "eth/uniswap/v3/start",
-          "request": {
-            "method": "GET",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [],
-              "options": {
-                "raw": {
-                  "language": "json"
-                }
-              }
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/eth/uniswap/v3/start",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["eth", "uniswap", "v3", "start"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "eth/uniswap/v3/gas-limit",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [],
-              "options": {
-                "raw": {
-                  "language": "json"
-                }
-              }
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/eth/uniswap/v3/gas-limit",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["eth", "uniswap", "v3", "gas-limit"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "eth/uniswap/v3/result",
-          "request": {
-            "method": "GET",
-            "header": [],
-            "url": {
-              "raw": "https://localhost:{{port}}/eth/uniswap/v3/result?logs=&section=lp",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["eth", "uniswap", "v3", "result"],
-              "query": [
-                {
-                  "key": "logs",
-                  "value": ""
-                },
-                {
-                  "key": "section",
-                  "value": "lp"
-                }
-              ]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "eth/uniswap/v3/price(current price)",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "base",
-                  "value": "WETH",
-                  "type": "text"
-                },
-                {
-                  "key": "quote",
-                  "value": "USDC",
-                  "type": "text"
-                },
-                {
-                  "key": "privateKey",
-                  "value": "{{privateKey}}",
-                  "type": "text"
-                },
-                {
-                  "key": "tier",
-                  "value": "MEDIUM",
-                  "type": "text"
-                },
-                {
-                  "key": "amount",
-                  "value": "0.0001",
-                  "type": "text",
-                  "disabled": true
-                },
-                {
-                  "key": "side",
-                  "value": "buy",
-                  "type": "text",
-                  "disabled": true
-                },
-                {
-                  "key": "seconds",
-                  "value": "10",
-                  "type": "text"
-                }
-              ]
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/eth/uniswap/v3/price",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["eth", "uniswap", "v3", "price"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "eth/uniswap/v3/price(historical price)",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "base",
-                  "value": "WETH",
-                  "type": "text"
-                },
-                {
-                  "key": "quote",
-                  "value": "USDC",
-                  "type": "text"
-                },
-                {
-                  "key": "privateKey",
-                  "value": "{{privateKey}}",
-                  "type": "text"
-                },
-                {
-                  "key": "tier",
-                  "value": "MEDIUM",
-                  "type": "text"
-                },
-                {
-                  "key": "seconds",
-                  "value": "10",
-                  "type": "text"
-                }
-              ]
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/eth/uniswap/v3/price",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["eth", "uniswap", "v3", "price"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "eth/uniswap/v3/trade",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "base",
-                  "value": "COIN3",
-                  "type": "text"
-                },
-                {
-                  "key": "quote",
-                  "value": "COIN1",
-                  "type": "text"
-                },
-                {
-                  "key": "amount",
-                  "value": "0.5",
-                  "type": "text"
-                },
-                {
-                  "key": "limitPrice",
-                  "value": "",
-                  "type": "text"
-                },
-                {
-                  "key": "gasPrice",
-                  "value": "37",
-                  "type": "text",
-                  "disabled": true
-                },
-                {
-                  "key": "privateKey",
-                  "value": "{{privateKey}}",
-                  "type": "text"
-                },
-                {
-                  "key": "side",
-                  "value": "sell",
-                  "type": "text"
-                }
-              ]
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/eth/uniswap/v3/trade",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["eth", "uniswap", "v3", "trade"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "eth/uniswap/v3/position",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "tokenId",
-                  "value": "3413",
-                  "type": "text"
-                },
-                {
-                  "key": "privateKey",
-                  "value": "{{privateKey}}",
-                  "type": "text"
-                }
-              ]
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/eth/uniswap/v3/position",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["eth", "uniswap", "v3", "position"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "eth/uniswap/v3/add-position",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "gasPrice",
-                  "value": "37",
-                  "type": "text",
-                  "disabled": true
-                },
-                {
-                  "key": "privateKey",
-                  "value": "{{privateKey}}",
-                  "type": "text"
-                },
-                {
-                  "key": "token0",
-                  "value": "COIN1",
-                  "type": "text"
-                },
-                {
-                  "key": "token1",
-                  "value": "COIN3",
-                  "type": "text"
-                },
-                {
-                  "key": "fee",
-                  "value": "MEDIUM",
-                  "type": "text"
-                },
-                {
-                  "key": "lowerPrice",
-                  "value": "0.1",
-                  "type": "text"
-                },
-                {
-                  "key": "upperPrice",
-                  "value": "5",
-                  "type": "text"
-                },
-                {
-                  "key": "amount0",
-                  "value": "10",
-                  "type": "text"
-                },
-                {
-                  "key": "amount1",
-                  "value": "10",
-                  "type": "text"
-                },
-                {
-                  "key": "tokenId",
-                  "value": "3413",
-                  "type": "text",
-                  "disabled": true
-                }
-              ]
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/eth/uniswap/v3/add-position",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["eth", "uniswap", "v3", "add-position"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "eth/uniswap/v3/collect-fees",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "gasPrice",
-                  "value": "37",
-                  "type": "text",
-                  "disabled": true
-                },
-                {
-                  "key": "privateKey",
-                  "value": "{{privateKey}}",
-                  "type": "text"
-                },
-                {
-                  "key": "tokenId",
-                  "value": "44",
-                  "type": "text"
-                }
-              ]
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/eth/uniswap/v3//collect-fees",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["eth", "uniswap", "v3", "", "collect-fees"]
-            }
-          },
-          "response": []
-        },
-        {
-          "name": "eth/uniswap/v3/remove-position",
-          "request": {
-            "method": "POST",
-            "header": [],
-            "body": {
-              "mode": "urlencoded",
-              "urlencoded": [
-                {
-                  "key": "gasPrice",
-                  "value": "37",
-                  "type": "text",
-                  "disabled": true
-                },
-                {
-                  "key": "privateKey",
-                  "value": "{{privateKey}}",
-                  "type": "text"
-                },
-                {
-                  "key": "tokenId",
-                  "value": "3413",
-                  "type": "text"
-                },
-                {
-                  "key": "reducePercent",
-                  "value": "50",
-                  "type": "text",
-                  "disabled": true
-                }
-              ]
-            },
-            "url": {
-              "raw": "https://localhost:{{port}}/eth/uniswap/v3/remove-position",
-              "protocol": "https",
-              "host": ["localhost"],
-              "port": "{{port}}",
-              "path": ["eth", "uniswap", "v3", "remove-position"]
-            }
-          },
-          "response": []
-        }
-      ],
-      "event": [
-        {
-          "listen": "prerequest",
-          "script": {
-            "type": "text/javascript",
-            "exec": [""]
-          }
-        },
-        {
-          "listen": "test",
-          "script": {
-            "type": "text/javascript",
-            "exec": [""]
-          }
-        }
-      ]
-    }
-  ]
-}
diff --git a/test/postman/Uniswap_V3_postman_collection_16_07_2021.json b/test/postman/Uniswap_V3_postman_collection_16_07_2021.json
deleted file mode 100644
index a8a7e8d..0000000
--- a/test/postman/Uniswap_V3_postman_collection_16_07_2021.json
+++ /dev/null
@@ -1,788 +0,0 @@
-{
-	"info": {
-		"_postman_id": "5de36bfa-027e-46e3-810d-219e42c75314",
-		"name": "Uniswap V3",
-		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
-	},
-	"item": [
-		{
-			"name": "uniswap v3 endpoints",
-			"item": [
-				{
-					"name": "eth/uniswap/v3",
-					"request": {
-						"method": "POST",
-						"header": [],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [],
-							"options": {
-								"raw": {
-									"language": "json"
-								}
-							}
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth/uniswap/v3",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth",
-								"uniswap",
-								"v3"
-							]
-						}
-					},
-					"response": []
-				},
-				{
-					"name": "eth/uniswap/v3/start",
-					"protocolProfileBehavior": {
-						"disableBodyPruning": true
-					},
-					"request": {
-						"method": "GET",
-						"header": [
-							{
-								"key": "",
-								"value": "",
-								"type": "text"
-							}
-						],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [
-								{
-									"key": "pairs",
-									"value": "[\"COIN1-COIN3\"]",
-									"type": "text",
-									"disabled": true
-								}
-							],
-							"options": {
-								"raw": {
-									"language": "json"
-								}
-							}
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth/uniswap/v3/start?pairs=[\"COIN1-COIN3\"]",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth",
-								"uniswap",
-								"v3",
-								"start"
-							],
-							"query": [
-								{
-									"key": "pairs",
-									"value": "[\"COIN1-COIN3\"]"
-								},
-								{
-									"key": null,
-									"value": "[\"WETH-USDC\", \"DAI-USDT\", \"BAT-WBTC\"]",
-									"disabled": true
-								},
-								{
-									"key": null,
-									"value": "[\"COIN1-COIN3\"]",
-									"disabled": true
-								}
-							]
-						}
-					},
-					"response": []
-				},
-				{
-					"name": "eth/uniswap/v3/gas-limit",
-					"request": {
-						"method": "POST",
-						"header": [],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [],
-							"options": {
-								"raw": {
-									"language": "json"
-								}
-							}
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth/uniswap/v3/gas-limit",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth",
-								"uniswap",
-								"v3",
-								"gas-limit"
-							]
-						}
-					},
-					"response": []
-				},
-				{
-					"name": "eth/uniswap/v3/result",
-					"request": {
-						"method": "POST",
-						"header": [],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [
-								{
-									"key": "logs",
-									"value": "[\n            {\n                \"transactionIndex\": 17,\n                \"blockNumber\": 25841905,\n                \"transactionHash\": \"0x4aaa93a519c346f35acc08456d4ae5985cb0f6a990abf79f062fc901f63b945a\",\n                \"address\": \"0x3D2097889B97A9eF23B3eA8FC10c626fbda29099\",\n                \"topics\": [\n                    \"0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef\",\n                    \"0x000000000000000000000000efb7be8631d154d4c0ad8676fec0897b2894fe8f\",\n                    \"0x0000000000000000000000007c0a35c75cb73ef794546bb8c5f7f0912a3d0b29\"\n                ],\n                \"data\": \"0x0000000000000000000000000000000000000000000000008ac7230489e80000\",\n                \"logIndex\": 115,\n                \"blockHash\": \"0xb5819ae17e43df1ea9759b8faf76745681982a2c90ee85edeb88892d809d0b91\"\n            },\n            {\n                \"transactionIndex\": 17,\n                \"blockNumber\": 25841905,\n                \"transactionHash\": \"0x4aaa93a519c346f35acc08456d4ae5985cb0f6a990abf79f062fc901f63b945a\",\n                \"address\": \"0x809F5A762e7b0CC75C42cd76098b85CB7BD2BA64\",\n                \"topics\": [\n                    \"0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef\",\n                    \"0x000000000000000000000000efb7be8631d154d4c0ad8676fec0897b2894fe8f\",\n                    \"0x0000000000000000000000007c0a35c75cb73ef794546bb8c5f7f0912a3d0b29\"\n                ],\n                \"data\": \"0x0000000000000000000000000000000000000000000000000411d4322db58dc2\",\n                \"logIndex\": 116,\n                \"blockHash\": \"0xb5819ae17e43df1ea9759b8faf76745681982a2c90ee85edeb88892d809d0b91\"\n            },\n            {\n                \"transactionIndex\": 17,\n                \"blockNumber\": 25841905,\n                \"transactionHash\": \"0x4aaa93a519c346f35acc08456d4ae5985cb0f6a990abf79f062fc901f63b945a\",\n                \"address\": \"0x7C0a35c75cb73ef794546Bb8C5F7F0912A3d0b29\",\n                \"topics\": [\n                    \"0x7a53080ba414158be7ec69b987b5fb7d07dee101fe85488f0853ae16239d0bde\",\n                    \"0x000000000000000000000000c36442b4a4522e871399cd717abdd847ab11fe88\",\n                    \"0x0000000000000000000000000000000000000000000000000000000000000f78\",\n                    \"0x0000000000000000000000000000000000000000000000000000000000001b30\"\n                ],\n                \"data\": \"0x000000000000000000000000c36442b4a4522e871399cd717abdd847ab11fe88000000000000000000000000000000000000000000000004d669a338b49d21570000000000000000000000000000000000000000000000008ac7230489e800000000000000000000000000000000000000000000000000000411d4322db58dc2\",\n                \"logIndex\": 117,\n                \"blockHash\": \"0xb5819ae17e43df1ea9759b8faf76745681982a2c90ee85edeb88892d809d0b91\"\n            },\n            {\n                \"transactionIndex\": 17,\n                \"blockNumber\": 25841905,\n                \"transactionHash\": \"0x4aaa93a519c346f35acc08456d4ae5985cb0f6a990abf79f062fc901f63b945a\",\n                \"address\": \"0xC36442b4a4522E871399CD717aBDD847Ab11FE88\",\n                \"topics\": [\n                    \"0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef\",\n                    \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n                    \"0x000000000000000000000000efb7be8631d154d4c0ad8676fec0897b2894fe8f\",\n                    \"0x0000000000000000000000000000000000000000000000000000000000000e7d\"\n                ],\n                \"data\": \"0x\",\n                \"logIndex\": 118,\n                \"blockHash\": \"0xb5819ae17e43df1ea9759b8faf76745681982a2c90ee85edeb88892d809d0b91\"\n            },\n            {\n                \"transactionIndex\": 17,\n                \"blockNumber\": 25841905,\n                \"transactionHash\": \"0x4aaa93a519c346f35acc08456d4ae5985cb0f6a990abf79f062fc901f63b945a\",\n                \"address\": \"0xC36442b4a4522E871399CD717aBDD847Ab11FE88\",\n                \"topics\": [\n                    \"0x3067048beee31b25b2f1681f88dac838c8bba36af25bfb2b7cf7473a5847e35f\",\n                    \"0x0000000000000000000000000000000000000000000000000000000000000e7d\"\n                ],\n                \"data\": \"0x000000000000000000000000000000000000000000000004d669a338b49d21570000000000000000000000000000000000000000000000008ac7230489e800000000000000000000000000000000000000000000000000000411d4322db58dc2\",\n                \"logIndex\": 119,\n                \"blockHash\": \"0xb5819ae17e43df1ea9759b8faf76745681982a2c90ee85edeb88892d809d0b91\"\n            }\n        ]",
-									"type": "text"
-								},
-								{
-									"key": "pair",
-									"value": "COIN1-COIN3",
-									"type": "text"
-								}
-							]
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth/uniswap/v3/result",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth",
-								"uniswap",
-								"v3",
-								"result"
-							],
-							"query": [
-								{
-									"key": "",
-									"value": "",
-									"disabled": true
-								}
-							]
-						}
-					},
-					"response": []
-				},
-				{
-					"name": "eth/uniswap/v3/price(current price)",
-					"request": {
-						"method": "POST",
-						"header": [],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [
-								{
-									"key": "base",
-									"value": "COIN3",
-									"type": "text"
-								},
-								{
-									"key": "quote",
-									"value": "COIN1",
-									"type": "text"
-								},
-								{
-									"key": "privateKey",
-									"value": "{{privateKey}}",
-									"type": "text"
-								},
-								{
-									"key": "amount",
-									"value": "0.1",
-									"type": "text"
-								},
-								{
-									"key": "side",
-									"value": "buy",
-									"type": "text"
-								}
-							]
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth/uniswap/v3/price",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth",
-								"uniswap",
-								"v3",
-								"price"
-							]
-						}
-					},
-					"response": []
-				},
-				{
-					"name": "eth/uniswap/v3/price(historical price)",
-					"request": {
-						"method": "POST",
-						"header": [],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [
-								{
-									"key": "base",
-									"value": "COIN3",
-									"type": "text"
-								},
-								{
-									"key": "quote",
-									"value": "COIN1",
-									"type": "text"
-								},
-								{
-									"key": "privateKey",
-									"value": "{{privateKey}}",
-									"type": "text"
-								},
-								{
-									"key": "tier",
-									"value": "MEDIUM",
-									"type": "text"
-								},
-								{
-									"key": "seconds",
-									"value": "1",
-									"type": "text"
-								}
-							]
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth/uniswap/v3/price",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth",
-								"uniswap",
-								"v3",
-								"price"
-							]
-						}
-					},
-					"response": []
-				},
-				{
-					"name": "eth/uniswap/v3/trade",
-					"request": {
-						"method": "POST",
-						"header": [],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [
-								{
-									"key": "base",
-									"value": "COIN3",
-									"type": "text"
-								},
-								{
-									"key": "quote",
-									"value": "COIN1",
-									"type": "text"
-								},
-								{
-									"key": "amount",
-									"value": "0.1",
-									"type": "text"
-								},
-								{
-									"key": "limitPrice",
-									"value": "0",
-									"type": "text",
-									"disabled": true
-								},
-								{
-									"key": "gasPrice",
-									"value": "37",
-									"type": "text",
-									"disabled": true
-								},
-								{
-									"key": "privateKey",
-									"value": "{{privateKey}}",
-									"type": "text"
-								},
-								{
-									"key": "side",
-									"value": "buy",
-									"type": "text"
-								}
-							]
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth/uniswap/v3/trade",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth",
-								"uniswap",
-								"v3",
-								"trade"
-							]
-						}
-					},
-					"response": []
-				},
-				{
-					"name": "eth/uniswap/v3/position",
-					"request": {
-						"method": "POST",
-						"header": [],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [
-								{
-									"key": "tokenId",
-									"value": "3883",
-									"type": "text"
-								},
-								{
-									"key": "privateKey",
-									"value": "{{privateKey}}",
-									"type": "text"
-								}
-							]
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth/uniswap/v3/position",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth",
-								"uniswap",
-								"v3",
-								"position"
-							]
-						}
-					},
-					"response": []
-				},
-				{
-					"name": "eth/uniswap/v3/add-position",
-					"request": {
-						"method": "POST",
-						"header": [],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [
-								{
-									"key": "gasPrice",
-									"value": "37",
-									"type": "text",
-									"disabled": true
-								},
-								{
-									"key": "privateKey",
-									"value": "{{privateKey}}",
-									"type": "text"
-								},
-								{
-									"key": "token0",
-									"value": "COIN3",
-									"type": "text"
-								},
-								{
-									"key": "token1",
-									"value": "COIN1",
-									"type": "text"
-								},
-								{
-									"key": "fee",
-									"value": "MEDIUM",
-									"type": "text"
-								},
-								{
-									"key": "lowerPrice",
-									"value": "0.1",
-									"type": "text"
-								},
-								{
-									"key": "upperPrice",
-									"value": "1.4",
-									"type": "text"
-								},
-								{
-									"key": "amount0",
-									"value": "0.00000001",
-									"type": "text"
-								},
-								{
-									"key": "amount1",
-									"value": "0.001",
-									"type": "text"
-								},
-								{
-									"key": "tokenId",
-									"value": "3709",
-									"type": "text",
-									"disabled": true
-								}
-							]
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth/uniswap/v3/add-position",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth",
-								"uniswap",
-								"v3",
-								"add-position"
-							]
-						}
-					},
-					"response": []
-				},
-				{
-					"name": "eth/uniswap/v3/collect-fees",
-					"request": {
-						"method": "POST",
-						"header": [],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [
-								{
-									"key": "gasPrice",
-									"value": "37",
-									"type": "text",
-									"disabled": true
-								},
-								{
-									"key": "privateKey",
-									"value": "{{privateKey}}",
-									"type": "text"
-								},
-								{
-									"key": "tokenId",
-									"value": "3414",
-									"type": "text"
-								}
-							]
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth/uniswap/v3//collect-fees",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth",
-								"uniswap",
-								"v3",
-								"",
-								"collect-fees"
-							]
-						}
-					},
-					"response": []
-				},
-				{
-					"name": "eth/uniswap/v3/remove-position",
-					"request": {
-						"method": "POST",
-						"header": [],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [
-								{
-									"key": "gasPrice",
-									"value": "37",
-									"type": "text",
-									"disabled": true
-								},
-								{
-									"key": "privateKey",
-									"value": "{{privateKey}}",
-									"type": "text"
-								},
-								{
-									"key": "tokenId",
-									"value": "3883",
-									"type": "text"
-								},
-								{
-									"key": "reducePercent",
-									"value": "100",
-									"type": "text"
-								},
-								{
-									"key": "getFee",
-									"value": "True",
-									"type": "text"
-								}
-							]
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth/uniswap/v3/remove-position",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth",
-								"uniswap",
-								"v3",
-								"remove-position"
-							]
-						}
-					},
-					"response": []
-				}
-			],
-			"event": [
-				{
-					"listen": "prerequest",
-					"script": {
-						"type": "text/javascript",
-						"exec": [
-							""
-						]
-					}
-				},
-				{
-					"listen": "test",
-					"script": {
-						"type": "text/javascript",
-						"exec": [
-							""
-						]
-					}
-				}
-			]
-		},
-		{
-			"name": "ethereum",
-			"item": [
-				{
-					"name": "eth",
-					"request": {
-						"method": "POST",
-						"header": [],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [],
-							"options": {
-								"raw": {
-									"language": "json"
-								}
-							}
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth"
-							]
-						}
-					},
-					"response": []
-				},
-				{
-					"name": "eth/balances",
-					"event": [
-						{
-							"listen": "test",
-							"script": {
-								"exec": [
-									""
-								],
-								"type": "text/javascript"
-							}
-						}
-					],
-					"request": {
-						"method": "POST",
-						"header": [],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [
-								{
-									"key": "tokenList",
-									"value": "[\"COIN1\", \"COIN2\"]",
-									"description": "[\"COIN1\", \"COIN2\"]",
-									"type": "text"
-								},
-								{
-									"key": "privateKey",
-									"value": "{{privateKey}}",
-									"type": "text"
-								}
-							]
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth/balances",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth",
-								"balances"
-							]
-						}
-					},
-					"response": []
-				},
-				{
-					"name": "eth/allowances",
-					"request": {
-						"method": "POST",
-						"header": [],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [
-								{
-									"key": "tokenList",
-									"value": "[\"COIN1\", \"COIN2\"]",
-									"type": "text"
-								},
-								{
-									"key": "connector",
-									"value": "balancer",
-									"type": "text"
-								},
-								{
-									"key": "privateKey",
-									"value": "{{privateKey}}",
-									"type": "text"
-								}
-							],
-							"options": {
-								"raw": {
-									"language": "json"
-								}
-							}
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth/allowances",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth",
-								"allowances"
-							]
-						}
-					},
-					"response": []
-				},
-				{
-					"name": "eth/approve",
-					"request": {
-						"method": "POST",
-						"header": [],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [
-								{
-									"key": "token",
-									"value": "WETH",
-									"type": "text"
-								},
-								{
-									"key": "privateKey",
-									"value": "{{privateKey}}",
-									"type": "text"
-								},
-								{
-									"key": "connector",
-									"value": "balancer",
-									"type": "text"
-								},
-								{
-									"key": "amount",
-									"value": "0",
-									"type": "text"
-								}
-							]
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth/approve",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth",
-								"approve"
-							]
-						}
-					},
-					"response": []
-				},
-				{
-					"name": "eth/poll",
-					"request": {
-						"method": "POST",
-						"header": [],
-						"body": {
-							"mode": "urlencoded",
-							"urlencoded": [
-								{
-									"key": "txHash",
-									"value": "0xaeba03944a5df71a1888a85473939bd2da31f2f6325d3c3a36a673158dfd9324",
-									"type": "text"
-								}
-							],
-							"options": {
-								"raw": {
-									"language": "json"
-								}
-							}
-						},
-						"url": {
-							"raw": "https://localhost:{{port}}/eth/poll",
-							"protocol": "https",
-							"host": [
-								"localhost"
-							],
-							"port": "{{port}}",
-							"path": [
-								"eth",
-								"poll"
-							]
-						}
-					},
-					"response": []
-				}
-			]
-		}
-	]
-}
\ No newline at end of file
diff --git a/test/postman/terra.postman_environment.json b/test/postman/terra.postman_environment.json
deleted file mode 100644
index eb95c30..0000000
--- a/test/postman/terra.postman_environment.json
+++ /dev/null
@@ -1,29 +0,0 @@
-{
-  "id": "aebe7d1f-0e85-4441-8679-2ddc38d74350",
-  "name": "terra",
-  "values": [
-    {
-      "key": "protocol",
-      "value": "terra",
-      "enabled": true
-    },
-    {
-      "key": "port",
-      "value": "5000",
-      "enabled": true
-    },
-    {
-      "key": "address",
-      "value": "myaddresss",
-      "enabled": true
-    },
-    {
-      "key": "secret",
-      "value": "mysupersecret",
-      "enabled": true
-    }
-  ],
-  "_postman_variable_scope": "environment",
-  "_postman_exported_at": "2020-11-13T06:00:14.142Z",
-  "_postman_exported_using": "Postman/7.35.0"
-}
diff --git a/test/postman/v2/Gateway.postman_collection.json b/test/postman/v2/Gateway.postman_collection.json
deleted file mode 100644
index 63baa2a..0000000
--- a/test/postman/v2/Gateway.postman_collection.json
+++ /dev/null
@@ -1,819 +0,0 @@
-{
-  "info": {
-    "_postman_id": "c7985e75-fb04-4b2e-96b9-d62561f160d0",
-    "name": "Gateway",
-    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
-  },
-  "item": [
-    {
-      "name": "v2",
-      "item": [
-        {
-          "name": "ethereum",
-          "item": [
-            {
-              "name": "eth",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [],
-                  "options": {
-                    "raw": {
-                      "language": "json"
-                    }
-                  }
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/eth",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["eth"]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "eth/balances",
-              "event": [
-                {
-                  "listen": "test",
-                  "script": {
-                    "exec": [""],
-                    "type": "text/javascript"
-                  }
-                }
-              ],
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [
-                    {
-                      "key": "tokenList",
-                      "value": "[\"BAT\",\"USDC\",\"DAI\",\"WETH\",\"ZRX\"]",
-                      "type": "text"
-                    },
-                    {
-                      "key": "privateKey",
-                      "value": "{{privateKey}}",
-                      "type": "text"
-                    }
-                  ]
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/eth/balances",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["eth", "balances"]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "eth/allowances",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [
-                    {
-                      "key": "tokenList",
-                      "value": "[\"BAT\",\"USDC\",\"DAI\",\"WETH\",\"ZRX\"]",
-                      "type": "text"
-                    },
-                    {
-                      "key": "connector",
-                      "value": "balancer",
-                      "type": "text"
-                    },
-                    {
-                      "key": "privateKey",
-                      "value": "{{privateKey}}",
-                      "type": "text"
-                    }
-                  ],
-                  "options": {
-                    "raw": {
-                      "language": "json"
-                    }
-                  }
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/eth/allowances",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["eth", "allowances"]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "eth/approve",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [
-                    {
-                      "key": "token",
-                      "value": "ZRX",
-                      "type": "text"
-                    },
-                    {
-                      "key": "privateKey",
-                      "value": "{{privateKey}}",
-                      "type": "text"
-                    },
-                    {
-                      "key": "gasPrice",
-                      "value": "23",
-                      "type": "text"
-                    },
-                    {
-                      "key": "connector",
-                      "value": "balancer",
-                      "type": "text"
-                    },
-                    {
-                      "key": "amount",
-                      "value": "999",
-                      "type": "text",
-                      "disabled": true
-                    }
-                  ]
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/eth/approve",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["eth", "approve"]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "eth/poll",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [
-                    {
-                      "key": "txHash",
-                      "value": "{{txHash}}",
-                      "type": "text"
-                    }
-                  ],
-                  "options": {
-                    "raw": {
-                      "language": "json"
-                    }
-                  }
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/eth/poll",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["eth", "poll"]
-                }
-              },
-              "response": []
-            }
-          ]
-        },
-        {
-          "name": "balancer",
-          "item": [
-            {
-              "name": "eth/balancer",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [],
-                  "options": {
-                    "raw": {
-                      "language": "json"
-                    }
-                  }
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/eth/balancer",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["eth", "balancer"]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "eth/balancer/gas-limit",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [],
-                  "options": {
-                    "raw": {
-                      "language": "json"
-                    }
-                  }
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/eth/balancer/gas-limit",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["eth", "balancer", "gas-limit"]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "eth/balancer/start",
-              "protocolProfileBehavior": {
-                "disableBodyPruning": true
-              },
-              "request": {
-                "method": "GET",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [],
-                  "options": {
-                    "raw": {
-                      "language": "json"
-                    }
-                  }
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/eth/balancer/start?pairs=[\"BAT-DAI\"]&gasPrice=30",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["eth", "balancer", "start"],
-                  "query": [
-                    {
-                      "key": "pairs",
-                      "value": "[\"BAT-DAI\"]",
-                      "description": ";"
-                    },
-                    {
-                      "key": "gasPrice",
-                      "value": "30"
-                    }
-                  ]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "eth/balancer/price",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [
-                    {
-                      "key": "base",
-                      "value": "BAT",
-                      "type": "text"
-                    },
-                    {
-                      "key": "quote",
-                      "value": "dai",
-                      "type": "text"
-                    },
-                    {
-                      "key": "amount",
-                      "value": "10",
-                      "type": "text"
-                    },
-                    {
-                      "key": "side",
-                      "value": "buy",
-                      "type": "text"
-                    }
-                  ]
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/eth/balancer/price",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["eth", "balancer", "price"]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "eth/balancer/trade",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [
-                    {
-                      "key": "base",
-                      "value": "BAT",
-                      "type": "text"
-                    },
-                    {
-                      "key": "quote",
-                      "value": "USDC",
-                      "type": "text"
-                    },
-                    {
-                      "key": "amount",
-                      "value": "1",
-                      "type": "text"
-                    },
-                    {
-                      "key": "limitPrice",
-                      "value": "0.19767217120251",
-                      "type": "text"
-                    },
-                    {
-                      "key": "gasPrice",
-                      "value": "37",
-                      "type": "text"
-                    },
-                    {
-                      "key": "privateKey",
-                      "value": "{{privateKey}}",
-                      "type": "text"
-                    },
-                    {
-                      "key": "side",
-                      "value": "sell",
-                      "type": "text"
-                    }
-                  ]
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/eth/balancer/trade",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["eth", "balancer", "trade"]
-                }
-              },
-              "response": []
-            }
-          ],
-          "event": [
-            {
-              "listen": "prerequest",
-              "script": {
-                "type": "text/javascript",
-                "exec": [""]
-              }
-            },
-            {
-              "listen": "test",
-              "script": {
-                "type": "text/javascript",
-                "exec": [""]
-              }
-            }
-          ]
-        },
-        {
-          "name": "uniswap",
-          "item": [
-            {
-              "name": "eth/uniswap",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [],
-                  "options": {
-                    "raw": {
-                      "language": "json"
-                    }
-                  }
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/eth/uniswap",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["eth", "uniswap"]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "eth/uniswap/gas-limit",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [],
-                  "options": {
-                    "raw": {
-                      "language": "json"
-                    }
-                  }
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/eth/uniswap/gas-limit",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["eth", "uniswap", "gas-limit"]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "eth/uniswap/start",
-              "protocolProfileBehavior": {
-                "disableBodyPruning": true
-              },
-              "request": {
-                "method": "GET",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [],
-                  "options": {
-                    "raw": {
-                      "language": "json"
-                    }
-                  }
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/eth/uniswap/start?pairs=[\"WETH-USDC\"]&gasPrice=30",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["eth", "uniswap", "start"],
-                  "query": [
-                    {
-                      "key": "pairs",
-                      "value": "[\"WETH-USDC\"]"
-                    },
-                    {
-                      "key": "gasPrice",
-                      "value": "30"
-                    }
-                  ]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "eth/uniswap/price",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [
-                    {
-                      "key": "base",
-                      "value": "WETH",
-                      "type": "text"
-                    },
-                    {
-                      "key": "quote",
-                      "value": "DAI",
-                      "type": "text"
-                    },
-                    {
-                      "key": "amount",
-                      "value": "1",
-                      "type": "text"
-                    },
-                    {
-                      "key": "side",
-                      "value": "buy",
-                      "type": "text"
-                    }
-                  ]
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/eth/uniswap/price",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["eth", "uniswap", "price"]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "eth/uniswap/trade",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [
-                    {
-                      "key": "base",
-                      "value": "BAT",
-                      "type": "text"
-                    },
-                    {
-                      "key": "quote",
-                      "value": "DAI",
-                      "type": "text"
-                    },
-                    {
-                      "key": "amount",
-                      "value": "1",
-                      "type": "text"
-                    },
-                    {
-                      "key": "limitPrice",
-                      "value": "0.19767217120251",
-                      "type": "text"
-                    },
-                    {
-                      "key": "gasPrice",
-                      "value": "37",
-                      "type": "text"
-                    },
-                    {
-                      "key": "privateKey",
-                      "value": "{{privateKey}}",
-                      "type": "text"
-                    },
-                    {
-                      "key": "side",
-                      "value": "sell",
-                      "type": "text"
-                    }
-                  ]
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/eth/uniswap/trade",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["eth", "uniswap", "trade"]
-                }
-              },
-              "response": []
-            }
-          ]
-        },
-        {
-          "name": "terra",
-          "item": [
-            {
-              "name": "terra",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [
-                    {
-                      "key": "address",
-                      "value": "{{address}}",
-                      "type": "text"
-                    }
-                  ],
-                  "options": {
-                    "raw": {
-                      "language": "json"
-                    }
-                  }
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/terra",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["terra"]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "terra/balances",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [
-                    {
-                      "key": "address",
-                      "value": "{{terraWalletAddress}}",
-                      "type": "text"
-                    }
-                  ],
-                  "options": {
-                    "raw": {
-                      "language": "json"
-                    }
-                  }
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/terra/balances",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["terra", "balances"]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "terra/start",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [
-                    {
-                      "key": "base",
-                      "value": "LUNA",
-                      "type": "text"
-                    },
-                    {
-                      "key": "quote",
-                      "value": "UST",
-                      "type": "text"
-                    }
-                  ]
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/terra/start",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["terra", "start"]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "terra/price",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [
-                    {
-                      "key": "base",
-                      "value": "UST",
-                      "type": "text"
-                    },
-                    {
-                      "key": "quote",
-                      "value": "KRT",
-                      "type": "text"
-                    },
-                    {
-                      "key": "side",
-                      "value": "buy",
-                      "type": "text"
-                    },
-                    {
-                      "key": "amount",
-                      "value": "1",
-                      "type": "text"
-                    }
-                  ]
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/terra/price",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["terra", "price"]
-                }
-              },
-              "response": []
-            },
-            {
-              "name": "terra/trade",
-              "request": {
-                "method": "POST",
-                "header": [],
-                "body": {
-                  "mode": "urlencoded",
-                  "urlencoded": [
-                    {
-                      "key": "base",
-                      "value": "UST",
-                      "type": "text"
-                    },
-                    {
-                      "key": "quote",
-                      "value": "KRT",
-                      "type": "text"
-                    },
-                    {
-                      "key": "side",
-                      "value": "buy",
-                      "type": "text"
-                    },
-                    {
-                      "key": "amount",
-                      "value": "10",
-                      "type": "text"
-                    },
-                    {
-                      "key": "privateKey",
-                      "value": "{{terraSeeds}}",
-                      "type": "text"
-                    }
-                  ]
-                },
-                "url": {
-                  "raw": "https://localhost:{{port}}/terra/trade",
-                  "protocol": "https",
-                  "host": ["localhost"],
-                  "port": "{{port}}",
-                  "path": ["terra", "trade"]
-                }
-              },
-              "response": []
-            }
-          ]
-        }
-      ]
-    },
-    {
-      "name": "/api",
-      "protocolProfileBehavior": {
-        "disableBodyPruning": true
-      },
-      "request": {
-        "method": "GET",
-        "header": [],
-        "body": {
-          "mode": "urlencoded",
-          "urlencoded": [],
-          "options": {
-            "raw": {
-              "language": "json"
-            }
-          }
-        },
-        "url": {
-          "raw": "https://localhost:{{port}}/api",
-          "protocol": "https",
-          "host": ["localhost"],
-          "port": "{{port}}",
-          "path": ["api"]
-        }
-      },
-      "response": []
-    },
-    {
-      "name": "/",
-      "protocolProfileBehavior": {
-        "disableBodyPruning": true
-      },
-      "request": {
-        "method": "GET",
-        "header": [],
-        "body": {
-          "mode": "urlencoded",
-          "urlencoded": [],
-          "options": {
-            "raw": {
-              "language": "json"
-            }
-          }
-        },
-        "url": {
-          "raw": "https://localhost:{{port}}/",
-          "protocol": "https",
-          "host": ["localhost"],
-          "port": "{{port}}",
-          "path": [""]
-        }
-      },
-      "response": []
-    }
-  ]
-}
diff --git a/test/ssl-scripts.sh b/test/ssl-scripts.sh
deleted file mode 100755
index 316f2ae..0000000
--- a/test/ssl-scripts.sh
+++ /dev/null
@@ -1,54 +0,0 @@
-#!/bin/bash
-
-##### Server Ceritification Creation #####
-##########################################
-
-# CA configuration file: ca.cnf
-
-# create a new certificate authority using this configuration.
-# we now have our certificate authority in ca_key.pem and ca_cert.pem
-openssl req -new -x509 -days 9999 -config ./conf/ca.cnf -keyout ../certs/ca_key.pem -out ../certs/ca_cert.pem
-
-# generate a private key for the server.
-openssl genrsa -out ../certs/server_key.pem 4096
-
-# generate a certificate signing request
-openssl req -new -config ./conf/server.cnf -key ../certs/server_key.pem -out ../certs/server_csr.pem
-
-# sign the request.
-openssl x509 -req -extfile ./conf/server.cnf -days 999 -passin "pass:password" -in ../certs/server_csr.pem -CA ../certs/ca_cert.pem -CAkey ../certs/ca_key.pem -CAcreateserial -out ../certs/server_cert.pem
-
-
-##### Client Ceritification Creation #####
-##########################################
-
-# create client key
-openssl genrsa -out ../certs/client_key.pem 4096
-
-# create certificate signing requests.
-openssl req -new -config ./conf/client.cnf -key ../certs/client_key.pem -out ../certs/client_csr.pem
-
-# sign new client certs.
-openssl x509 -req -extfile ./conf/client.cnf -days 999 -passin "pass:password" -in ../certs/client_csr.pem -CA ../certs/ca_cert.pem -CAkey ../certs/ca_key.pem -CAcreateserial -out ../certs/client_cert.pem
-
-# verify our certs
-echo
-echo "verifying server certs"
-echo
-openssl verify -CAfile ../certs/ca_cert.pem ../certs/server_cert.pem
-echo
-echo "verifying client certs"
-openssl verify -CAfile ../certs/ca_cert.pem ../certs/client_cert.pem
-echo
-
-
-echo 
-echo "note: restart node server to load new certs"
-echo
-
-# test after restarting node server
-# use -v to see details in verbose mode
-# curl --insecure --key ../certs/client_key.pem --cert ../certs/client_cert.pem https://localhost:5000/api
-# curl --insecure --key ../certs/client_key.pem --cert ../certs/client_cert.pem https://localhost:5000/terra
-# curl --insecure --key ../certs/client_key.pem --cert ../certs/client_cert.pem https://localhost:5000/balancer
-
diff --git a/tests/README.md b/tests/README.md
new file mode 100644
index 0000000..d81a72f
--- /dev/null
+++ b/tests/README.md
@@ -0,0 +1,25 @@
+![Hummingbot](https://i.ibb.co/X5zNkKw/blacklogo-with-text.png)
+
+Test scripts for endpoints used by different connectors in Hummingbot Gateway
+
+## Requirements
+
+- [Run the Gateway server](https://docs.hummingbot.io/gateway/installation/)
+
+```bash
+yarn start
+```
+
+- Expose your Ethereum wallet private key as environment variable `PRIVATE_KEY`
+
+```bash
+export PRIVATE_KEY = [your private key]
+```
+
+## How to run
+
+From the root Hummingbot directory, run  `node -r esm PATH_TO_SCRIPT` .i.e. to run `uniswap.v2.test.js`, run:
+
+```bash
+node -r esm ./tests/scripts/uniswap.v2.test.js
+```
diff --git a/tests/example-test.js b/tests/example-test.js
deleted file mode 100644
index c4dfef0..0000000
--- a/tests/example-test.js
+++ /dev/null
@@ -1,63 +0,0 @@
-// Example: https://github.com/balancer-labs/balancer-sor/blob/master/test/multihop-sor.spec.ts
-import YAML from 'yaml';
-import fs from 'fs';
-
-const GlobalConfigFilePath = 'conf/global_conf.yml'; // assume run from root dir
-const file = fs.readFileSync(GlobalConfigFilePath, 'utf8');
-const config = YAML.parseDocument(file);
-
-const tokens = ['WETH', 'DAI', 'MKR', 'USDC'];
-const privateKey = config.get('PRIVATE_KEY');
-
-async function ethTests() {
-  console.log(tokens);
-  console.log(privateKey);
-
-  // call /
-  // confirm expected response
-
-  // call /balances
-  // confirm and save balances
-  const balances = {};
-
-  // call /balances with invalid token symbol
-  // confirm expected error message
-
-  // call /allowances
-  // confirm and save allowances
-  const allowances = {};
-
-  // call /balances with invalid token symbol
-  // confirm expected error message
-
-  // call /approve on each token
-  // confirm that allowance changed correctly
-
-  // call /approve with invalid spender address
-  // confirm expected error message
-
-  // call /approve with invalid token symbol
-  // confirm expected error message
-
-  // call /approve with invalid amount
-  // confirm expected error message
-}
-
-async function uniTests() {
-  // call /start
-  // call /gas-limit
-
-  // call with different combinations of tokens:
-  // price buy
-  // price sell
-  // trade buy
-  // trade sell
-
-  // add tests for extreme values of limitPrice - buy and sell
-
-  // add tests for extreme values of minimumSlippage
-
-}
-
-ethTests();
-uniTests();
diff --git a/tests/postman/collections/Balancer.postman_collection.json b/tests/postman/collections/Balancer.postman_collection.json
new file mode 100644
index 0000000..d033e3e
--- /dev/null
+++ b/tests/postman/collections/Balancer.postman_collection.json
@@ -0,0 +1,216 @@
+{
+	"info": {
+		"_postman_id": "3c837b4c-d9ed-4ab8-baf4-6bc3af708e7a",
+		"name": "Balancer",
+		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
+	},
+	"item": [
+		{
+			"name": "eth/balancer",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [],
+					"options": {
+						"raw": {
+							"language": "json"
+						}
+					}
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/balancer/",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"balancer",
+						""
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/balancer/start",
+			"protocolProfileBehavior": {
+				"disableBodyPruning": true
+			},
+			"request": {
+				"method": "GET",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [],
+					"options": {
+						"raw": {
+							"language": "json"
+						}
+					}
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/balancer/start?pairs=[\"WETH-DAI\"]",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"balancer",
+						"start"
+					],
+					"query": [
+						{
+							"key": "pairs",
+							"value": "[\"WETH-DAI\"]"
+						}
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/balancer/gas-limit",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "maxSwaps",
+							"value": "1",
+							"type": "text"
+						}
+					],
+					"options": {
+						"raw": {
+							"language": "json"
+						}
+					}
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/balancer/gas-limit",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"balancer",
+						"gas-limit"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/balancer/trade",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "base",
+							"value": "WETH",
+							"type": "text"
+						},
+						{
+							"key": "quote",
+							"value": "DAI",
+							"type": "text"
+						},
+						{
+							"key": "amount",
+							"value": "0.01",
+							"type": "text"
+						},
+						{
+							"key": "side",
+							"value": "buy",
+							"type": "text"
+						}
+					]
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/balancer/price",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"balancer",
+						"price"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/balancer/price/",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "base",
+							"value": "WETH",
+							"type": "text"
+						},
+						{
+							"key": "quote",
+							"value": "DAI",
+							"type": "text"
+						},
+						{
+							"key": "amount",
+							"value": "0.01",
+							"type": "text"
+						},
+						{
+							"key": "side",
+							"value": "buy",
+							"type": "text"
+						},
+						{
+							"key": "limitPrice",
+							"value": "",
+							"type": "text"
+						},
+						{
+							"key": "privateKey",
+							"value": "{{privateKey}}",
+							"type": "text"
+						}
+					]
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/balancer/price",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"balancer",
+						"price"
+					]
+				}
+			},
+			"response": []
+		}
+	]
+}
\ No newline at end of file
diff --git a/tests/postman/collections/Ethereum.postman_collection.json b/tests/postman/collections/Ethereum.postman_collection.json
new file mode 100644
index 0000000..dd25745
--- /dev/null
+++ b/tests/postman/collections/Ethereum.postman_collection.json
@@ -0,0 +1,169 @@
+{
+	"info": {
+		"_postman_id": "97be3455-820f-44c1-bdda-7cfd06ae2841",
+		"name": "Ethereum",
+		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
+	},
+	"item": [
+		{
+			"name": "eth/balances",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "tokenList",
+							"value": "[\"WETH\", \"DAI\"]",
+							"type": "text"
+						},
+						{
+							"key": "privateKey",
+							"value": "{{privateKey}}",
+							"type": "text"
+						}
+					]
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/balances",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"balances"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/allowances",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "tokenList",
+							"value": "[\"WETH\", \"DAI\"]",
+							"type": "text"
+						},
+						{
+							"key": "privateKey",
+							"value": "{{privateKey}}",
+							"type": "text"
+						},
+						{
+							"key": "connector",
+							"value": "balancer",
+							"type": "text"
+						}
+					],
+					"options": {
+						"raw": {
+							"language": "json"
+						}
+					}
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/allowances",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"allowances"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/approve",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "token",
+							"value": "WETH",
+							"type": "text"
+						},
+						{
+							"key": "privateKey",
+							"value": "{{privateKey}}",
+							"type": "text"
+						},
+						{
+							"key": "connector",
+							"value": "balancer",
+							"type": "text"
+						},
+						{
+							"key": "amount",
+							"value": "999999",
+							"type": "text"
+						}
+					]
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/approve",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"approve"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/poll",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "txHash",
+							"value": "0x8e070298f624a0c65f938cb5a6c1635e8021ba25382f474304e8261e1363dbe3",
+							"type": "text"
+						}
+					],
+					"options": {
+						"raw": {
+							"language": "json"
+						}
+					}
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/poll",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"poll"
+					]
+				}
+			},
+			"response": []
+		}
+	]
+}
\ No newline at end of file
diff --git a/test/postman/PERPFI.postman_collection.json b/tests/postman/collections/PerpFi.postman_collection.json
similarity index 100%
rename from test/postman/PERPFI.postman_collection.json
rename to tests/postman/collections/PerpFi.postman_collection.json
diff --git a/test/postman/Gateway-Terra.postman_collection.json b/tests/postman/collections/Terra.postman_collection.json
similarity index 100%
rename from test/postman/Gateway-Terra.postman_collection.json
rename to tests/postman/collections/Terra.postman_collection.json
diff --git a/tests/postman/collections/Uniswap-V2.postman_collection.json b/tests/postman/collections/Uniswap-V2.postman_collection.json
new file mode 100644
index 0000000..32c2302
--- /dev/null
+++ b/tests/postman/collections/Uniswap-V2.postman_collection.json
@@ -0,0 +1,214 @@
+{
+	"info": {
+		"_postman_id": "9a81deca-3553-42d9-bfbf-590de6f901a2",
+		"name": "Uniswap-V2",
+		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
+	},
+	"item": [
+		{
+			"name": "eth/uniswap",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [],
+					"options": {
+						"raw": {
+							"language": "json"
+						}
+					}
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/uniswap",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"uniswap"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/uniswap/start",
+			"protocolProfileBehavior": {
+				"disableBodyPruning": true
+			},
+			"request": {
+				"method": "GET",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [],
+					"options": {
+						"raw": {
+							"language": "json"
+						}
+					}
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/uniswap/start?pairs=[\"WETH-DAI\"]",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"uniswap",
+						"start"
+					],
+					"query": [
+						{
+							"key": "pairs",
+							"value": "[\"WETH-DAI\"]"
+						}
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/uniswap/gas-limit",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [],
+					"options": {
+						"raw": {
+							"language": "json"
+						}
+					}
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/uniswap/gas-limit",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"uniswap",
+						"gas-limit"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/uniswap/price",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "base",
+							"value": "WETH",
+							"type": "text"
+						},
+						{
+							"key": "quote",
+							"value": "DAI",
+							"type": "text"
+						},
+						{
+							"key": "amount",
+							"value": "0.01",
+							"type": "text"
+						},
+						{
+							"key": "side",
+							"value": "buy",
+							"type": "text"
+						},
+						{
+							"key": "",
+							"value": "",
+							"type": "text"
+						}
+					]
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/uniswap/price",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"uniswap",
+						"price"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/uniswap/trade",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "base",
+							"value": "WETH",
+							"type": "text"
+						},
+						{
+							"key": "quote",
+							"value": "DAI",
+							"type": "text"
+						},
+						{
+							"key": "amount",
+							"value": "0.01",
+							"type": "text"
+						},
+						{
+							"key": "side",
+							"value": "buy",
+							"type": "text"
+						},
+						{
+							"key": "limitPrice",
+							"value": "",
+							"type": "text"
+						},
+						{
+							"key": "privateKey",
+							"value": "{{privateKey}}",
+							"type": "text"
+						}
+					]
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/uniswap/trade",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"uniswap",
+						"trade"
+					]
+				}
+			},
+			"response": []
+		}
+	]
+}
\ No newline at end of file
diff --git a/tests/postman/collections/Uniswap-V3.postman_collection.json b/tests/postman/collections/Uniswap-V3.postman_collection.json
new file mode 100644
index 0000000..63a732c
--- /dev/null
+++ b/tests/postman/collections/Uniswap-V3.postman_collection.json
@@ -0,0 +1,444 @@
+{
+	"info": {
+		"_postman_id": "28f0dee4-0afc-4bee-b41f-60db8087c35e",
+		"name": "Uniswap-V3",
+		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
+	},
+	"item": [
+		{
+			"name": "eth/uniswap/v3",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [],
+					"options": {
+						"raw": {
+							"language": "json"
+						}
+					}
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/uniswap/v3",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"uniswap",
+						"v3"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/uniswap/v3/start",
+			"request": {
+				"method": "GET",
+				"header": [],
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/uniswap/v3/start?pairs=[\"WETH-DAI\"]",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"uniswap",
+						"v3",
+						"start"
+					],
+					"query": [
+						{
+							"key": "pairs",
+							"value": "[\"WETH-DAI\"]"
+						}
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/uniswap/v3/gas-limit",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [],
+					"options": {
+						"raw": {
+							"language": "json"
+						}
+					}
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/uniswap/v3/gas-limit",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"uniswap",
+						"v3",
+						"gas-limit"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/uniswap/v3/result",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "logs",
+							"value": "[]",
+							"type": "text"
+						},
+						{
+							"key": "pair",
+							"value": "WETH-DAI",
+							"type": "text"
+						}
+					]
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/uniswap/v3/result",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"uniswap",
+						"v3",
+						"result"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/uniswap/v3/price",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "base",
+							"value": "DAI",
+							"type": "text"
+						},
+						{
+							"key": "quote",
+							"value": "WETH",
+							"type": "text"
+						},
+						{
+							"key": "privateKey",
+							"value": "{{privateKey}}",
+							"type": "text"
+						},
+						{
+							"key": "tier",
+							"value": "LOW",
+							"type": "text"
+						},
+						{
+							"key": "seconds",
+							"value": "1",
+							"type": "text"
+						}
+					]
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/uniswap/v3/price",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"uniswap",
+						"v3",
+						"price"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/uniswap/v3/trade",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "base",
+							"value": "DAI",
+							"type": "text"
+						},
+						{
+							"key": "quote",
+							"value": "WETH",
+							"type": "text"
+						},
+						{
+							"key": "amount",
+							"value": "100",
+							"type": "text"
+						},
+						{
+							"key": "side",
+							"value": "sell",
+							"type": "text"
+						},
+						{
+							"key": "limitPrice",
+							"value": "",
+							"type": "text"
+						},
+						{
+							"key": "tier",
+							"value": "LOW",
+							"type": "text"
+						},
+						{
+							"key": "privateKey",
+							"value": "{{privateKey}}",
+							"type": "text"
+						}
+					]
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/uniswap/v3/trade",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"uniswap",
+						"v3",
+						"trade"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/uniswap/v3/position",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "tokenId",
+							"value": "6498",
+							"type": "text"
+						},
+						{
+							"key": "privateKey",
+							"value": "{{privateKey}}",
+							"type": "text"
+						}
+					]
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/uniswap/v3/position",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"uniswap",
+						"v3",
+						"position"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/uniswap/v3/add-position",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "gasPrice",
+							"value": "37",
+							"type": "text",
+							"disabled": true
+						},
+						{
+							"key": "privateKey",
+							"value": "{{privateKey}}",
+							"type": "text"
+						},
+						{
+							"key": "token0",
+							"value": "DAI",
+							"type": "text"
+						},
+						{
+							"key": "token1",
+							"value": "WETH",
+							"type": "text"
+						},
+						{
+							"key": "fee",
+							"value": "LOW",
+							"type": "text"
+						},
+						{
+							"key": "lowerPrice",
+							"value": "0.0003",
+							"type": "text"
+						},
+						{
+							"key": "upperPrice",
+							"value": "0.0005",
+							"type": "text"
+						},
+						{
+							"key": "amount0",
+							"value": "100",
+							"type": "text"
+						},
+						{
+							"key": "amount1",
+							"value": "0.05",
+							"type": "text"
+						},
+						{
+							"key": "tokenId",
+							"value": "3413",
+							"type": "text",
+							"disabled": true
+						}
+					]
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/uniswap/v3/add-position",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"uniswap",
+						"v3",
+						"add-position"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/uniswap/v3/remove-position",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "privateKey",
+							"value": "{{privateKey}}",
+							"type": "text"
+						},
+						{
+							"key": "tokenId",
+							"value": "6498",
+							"type": "text"
+						},
+						{
+							"key": "getFee",
+							"value": "FALSE",
+							"type": "text"
+						}
+					]
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/uniswap/v3/remove-position",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"uniswap",
+						"v3",
+						"remove-position"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "eth/uniswap/v3/collect-fees",
+			"request": {
+				"method": "POST",
+				"header": [],
+				"body": {
+					"mode": "urlencoded",
+					"urlencoded": [
+						{
+							"key": "privateKey",
+							"value": "{{privateKey}}",
+							"type": "text"
+						},
+						{
+							"key": "tokenId",
+							"value": "6498",
+							"type": "text"
+						}
+					]
+				},
+				"url": {
+					"raw": "https://localhost:{{port}}/eth/uniswap/v3/collect-fees",
+					"protocol": "https",
+					"host": [
+						"localhost"
+					],
+					"port": "{{port}}",
+					"path": [
+						"eth",
+						"uniswap",
+						"v3",
+						"collect-fees"
+					]
+				}
+			},
+			"response": []
+		}
+	]
+}
\ No newline at end of file
diff --git a/test/postman/v2/Gateway.postman_environment.json b/tests/postman/environments/Gateway.postman_environment.json
similarity index 100%
rename from test/postman/v2/Gateway.postman_environment.json
rename to tests/postman/environments/Gateway.postman_environment.json
diff --git a/tests/scripts/ethereum.test.js b/tests/scripts/ethereum.test.js
new file mode 100644
index 0000000..d9f5d2b
--- /dev/null
+++ b/tests/scripts/ethereum.test.js
@@ -0,0 +1,163 @@
+// Example: https://github.com/balancer-labs/balancer-sor/blob/master/test/multihop-sor.spec.ts
+import YAML from 'yaml';
+import fs from 'fs';
+import axios from 'axios';
+import https from 'https';
+import { assert } from 'chai';
+
+const GlobalConfigFilePath = 'conf/global_conf.yml'; // assume run from root dir
+const file = fs.readFileSync(GlobalConfigFilePath, 'utf8');
+const config = YAML.parseDocument(file);
+
+const host = 'localhost';
+const port = 5000;
+const privateKey = process.env.PRIVATE_KEY;
+
+// constants
+const ALLOWANCE = 5000000;
+
+function sleep(ms) {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+}
+
+const httpsAgent = axios.create({
+  httpsAgent: new https.Agent({
+    ca: fs.readFileSync(config.get('CERT_PATH') + '/ca_cert.pem'),
+    cert: fs.readFileSync(config.get('CERT_PATH') + '/client_cert.pem'),
+    key: fs.readFileSync(config.get('CERT_PATH') + '/client_key.pem'),
+    host: host,
+    port: port,
+    requestCert: true,
+    rejectUnauthorized: false,
+  }),
+});
+
+export async function request(method, path, params) {
+  try {
+    let response;
+    const gatewayAddress = `https://${host}:${port}`;
+    if (method === 'get') {
+      response = await httpsAgent.get(gatewayAddress + path, {
+        params: params,
+      });
+    } else {
+      // post
+      params['privateKey'] = privateKey;
+      response = await httpsAgent.post(gatewayAddress + path, params);
+    }
+    return response.data;
+  } catch (err) {
+    console.log(`${path} - ${err}`);
+  }
+}
+
+export async function ethTests(connector = null, tokens = []) {
+  console.log('\nStarting ETH tests');
+  console.log('***************************************************');
+  console.log('Token symbols used in tests: ', tokens);
+  assert.isAtLeast(tokens.length, 2, 'Pls provide at least 2 tokens');
+  assert.exists(privateKey, 'Pls set PRIVATE_KEY in environment variable');
+
+  // call /
+  console.log('Checking status of gateway server...');
+  const result = await request('get', '/', {});
+  // confirm expected response
+  console.log(result);
+  assert.equal(result, 'ok');
+
+  // call /balances
+  console.log('Checking balances...');
+  const balancesResponse = await request('post', '/eth/balances', {
+    tokenList: JSON.stringify(tokens),
+  });
+  // confirm and save balances
+  const balances = balancesResponse.balances;
+  console.log(balances);
+  assert.isAbove(
+    parseFloat(balances.ETH),
+    0,
+    'Pls ensure there is some native token'
+  );
+
+  // call /balances with invalid token symbol
+  // confirm expected error message
+  console.log('calling balances with invalid token symbols ABC and XYZ...');
+  const balancesResponse1 = await request('post', '/eth/balances', {
+    tokenList: JSON.stringify(['ABC', 'XYZ']),
+  });
+  console.log(balancesResponse1.balances);
+  assert.isNaN(
+    parseFloat(balancesResponse1.balances.ABC),
+    'ABC is a valid token.'
+  );
+  assert.isNaN(
+    parseFloat(balancesResponse1.balances.XYZ),
+    'XYZ is a valid token.'
+  );
+
+  // call /allowances
+  // confirm and save allowances
+  console.log('checking initial allowances...');
+  const allowancesResponse1 = await request('post', '/eth/allowances', {
+    tokenList: JSON.stringify(tokens),
+    connector: connector,
+  });
+  let allowances = allowancesResponse1.approvals;
+  console.log(allowances);
+
+  for (let token of tokens) {
+    // call /approve on each token
+    console.log(`Resetting allowance for ${token} to ${ALLOWANCE}...`);
+    let approve1 = await request('post', '/eth/approve', {
+      token: token,
+      connector: connector,
+      amount: ALLOWANCE.toString(),
+    });
+    console.log(approve1);
+    while (allowances[token] !== approve1.amount) {
+      console.log(
+        'Waiting for atleast 1 block time (i.e 13 secs) to give time for approval to be mined.'
+      );
+      await sleep(13000);
+      // confirm that allowance changed correctly
+      console.log('Rechecking allowances to confirm approval...');
+      let allowancesResponse2 = await request('post', '/eth/allowances', {
+        tokenList: JSON.stringify(tokens),
+        connector: connector,
+      });
+      allowances = allowancesResponse2.approvals;
+      console.log(allowances);
+    }
+  }
+
+  // call /approve with invalid spender address
+  console.log('Trying to approve for invalid contract...');
+  const approve3 = await request('post', '/eth/approve', {
+    token: tokens[0],
+    connector: 'nill',
+  });
+  console.log(approve3);
+  // confirm expected error message
+  assert.notExists(approve3);
+
+  // call /approve with invalid token symbol
+  console.log('Trying to approve invalid token ABC...');
+  const approve4 = await request('post', '/eth/approve', {
+    token: 'ABC',
+    connector: connector,
+  });
+  console.log(approve4);
+  // confirm expected error message
+  assert.notExists(approve4);
+
+  // call /approve with invalid amount
+  console.log('Trying to approve invalid amount...');
+  const approve5 = await request('post', '/eth/approve', {
+    token: tokens[0],
+    connector: connector,
+    amount: 'number',
+  });
+  console.log(approve5);
+  // confirm expected error message
+  assert.notExists(approve5);
+}
diff --git a/tests/scripts/uniswap.v2.test.js b/tests/scripts/uniswap.v2.test.js
new file mode 100644
index 0000000..3312319
--- /dev/null
+++ b/tests/scripts/uniswap.v2.test.js
@@ -0,0 +1,116 @@
+import { assert } from 'chai';
+import { request, ethTests } from './ethereum.test';
+
+// constants
+const TOKENS = ['WETH', 'DAI'];
+const AMOUNT_PRICE = 1;
+const AMOUNT_TRADE = 0.01;
+const SCALE_FACTOR = 1000;
+
+async function unitTests() {
+  console.log('\nStarting Uniswap tests');
+  console.log('***************************************************');
+  // call /start
+  let pair = `${TOKENS[0]}-${TOKENS[1]}`;
+  console.log(`Starting Uniswap v2 on pair ${pair}...`);
+  const start = await request('get', '/eth/uniswap/start', {
+    pairs: JSON.stringify([pair]),
+  });
+  console.log(start);
+
+  // call /gas-limit
+  console.log('Calling uniswap v2 gas-limit endpoint...');
+  const gasLimit = await request('post', '/eth/uniswap/gas-limit', {});
+  console.log(gasLimit);
+
+  // price buy
+  console.log(`Checking buy price for ${pair}...`);
+  const buyPrice = await request('post', '/eth/uniswap/price', {
+    base: TOKENS[0],
+    quote: TOKENS[1],
+    amount: AMOUNT_PRICE.toString(),
+    side: 'buy',
+  });
+  console.log(`Buy price: ${buyPrice.price}`);
+
+  // price sell
+  console.log(`Checking sell price for ${pair}...`);
+  const sellPrice = await request('post', '/eth/uniswap/price', {
+    base: TOKENS[0],
+    quote: TOKENS[1],
+    amount: AMOUNT_PRICE.toString(),
+    side: 'sell',
+  });
+  console.log(`Sell price: ${sellPrice.price}`);
+
+  // trade buy
+  console.log(`Executing buy trade on ${pair} with ${AMOUNT_TRADE} amount...`);
+  const buy = await request('post', '/eth/uniswap/trade', {
+    base: TOKENS[0],
+    quote: TOKENS[1],
+    amount: AMOUNT_TRADE.toString(),
+    side: 'buy',
+    limitPrice: buyPrice.price,
+  });
+  assert.hasAnyKeys(buy, ['txHash'], 'Buy trade failed.');
+  console.log(`Buy hash - ${buy.txHash}`);
+  let done = false;
+  let tx1, tx2;
+  console.log(`Polling...`);
+  while (!done) {
+    tx1 = await request('post', '/eth/poll', { txHash: buy.txHash });
+    console.log(tx1);
+    done = tx1.confirmed;
+  }
+  assert.equal(tx1.receipt.status, 1, 'Buy trade reverted.');
+
+  done = false;
+
+  // trade sell
+  console.log(`Executing sell trade on ${pair} with ${AMOUNT_TRADE} amount...`);
+  const sell = await request('post', '/eth/uniswap/trade', {
+    base: TOKENS[0],
+    quote: TOKENS[1],
+    amount: AMOUNT_TRADE.toString(),
+    side: 'sell',
+    limitPrice: sellPrice.price,
+  });
+  assert.hasAnyKeys(sell, ['txHash'], 'Sell trade failed.');
+  console.log(`Buy hash - ${sell.txHash}`);
+  console.log(`Polling...`);
+  while (!done) {
+    tx2 = await request('post', '/eth/poll', { txHash: sell.txHash });
+    console.log(tx2);
+    done = tx2.confirmed;
+  }
+  assert.equal(tx2.receipt.status, 1, 'Sell trade reverted.');
+
+  // add tests for extreme values of limitPrice - buy and sell
+  console.log(`Testing for failure with ${buyPrice.price / SCALE_FACTOR} buy limitPrice...`);
+  assert.notExists(
+    await request('post', '/eth/uniswap/trade', {
+      base: TOKENS[0],
+      quote: TOKENS[1],
+      amount: '1',
+      side: 'buy',
+      limitPrice: buyPrice.price / SCALE_FACTOR,
+    })
+  );
+
+  // add tests for extreme values of minimumSlippage
+  console.log(`Testing for failure with ${sellPrice.price * SCALE_FACTOR} sell limitPrice...`);
+  assert.notExists(
+    await request('post', '/eth/uniswap/trade', {
+      base: TOKENS[0],
+      quote: TOKENS[1],
+      amount: '1',
+      side: 'sell',
+      limitPrice: sellPrice.price * SCALE_FACTOR,
+    })
+  );
+}
+
+(async () => {
+  await ethTests('uniswap', TOKENS);
+  await unitTests();
+})();
diff --git a/tests/scripts/uniswap.v3.test.js b/tests/scripts/uniswap.v3.test.js
new file mode 100644
index 0000000..918ef7b
--- /dev/null
+++ b/tests/scripts/uniswap.v3.test.js
@@ -0,0 +1,127 @@
+import { assert } from 'chai';
+import { request, ethTests } from './ethereum.test';
+
+// constants
+const TOKENS = ['WETH', 'DAI'];
+const AMOUNTS = [0.01, 0.01];
+const TIER = 'MEDIUM';
+
+async function unitTests() {
+  // call /start
+  let pair = `${TOKENS[0]}-${TOKENS[1]}`;
+  console.log(`Starting Uniswap v3 on pair ${pair}...`);
+  const start = await request('get', '/eth/uniswap/v3/start', {
+    pairs: JSON.stringify([pair]),
+  });
+  console.log(start);
+  pair = start.pairs[0];
+  let tokens = pair.split('-');
+
+  // call /gas-limit
+  console.log('Calling uniswap v3 gas-limit endpoint...');
+  const gasLimit = await request('post', '/eth/uniswap/v3/gas-limit', {});
+  console.log(gasLimit);
+
+  // mid price
+  console.log(`Checking mid price for ${pair} on the ${TIER} fee tier...`);
+  const midPrice = await request('post', '/eth/uniswap/v3/price', {
+    base: tokens[0],
+    quote: tokens[1],
+    seconds: '1',
+    tier: TIER,
+  });
+  console.log(`Mid price: ${midPrice.prices[0]}`);
+
+  // check if pool exists on other 2 tiers
+  let tiers = [ "LOW", "MEDIUM", "HIGH" ];
+  tiers.pop(tiers.indexOf(TIER) - 1);
+  for (let tr of tiers) {
+    console.log(`Checking mid price for ${pair} on the ${tr} fee tier...`);
+    let checkPrice = await request('post', '/eth/uniswap/v3/price', {
+      base: tokens[0],
+      quote: tokens[1],
+      seconds: '1',
+      tier: tr,
+    });
+    console.log(checkPrice)
+  }
+
+
+  // add position
+  console.log(`Adding position on ${TIER} fee tier for ${pair}...`);
+  const pid = await request('post', '/eth/uniswap/v3/add-position', {
+    token0: tokens[0],
+    token1: tokens[1],
+    lowerPrice: midPrice.prices[0],
+    upperPrice: parseFloat(midPrice.prices[0]) + 1,
+    amount0: AMOUNTS[0].toString(),
+    amount1: AMOUNTS[1].toString(),
+    fee: TIER,
+  });
+  assert.hasAnyKeys(pid, ['hash'], 'Add position failed.');
+  console.log(`New position transaction hash - ${pid.hash}`);
+  let done = false;
+  let tx1, tx2, tid;
+  while (!done) {
+    tx1 = await request('post', '/eth/poll', { txHash: pid.hash });
+    console.log(tx1);
+    done = tx1.confirmed;
+  }
+  if (done) {
+    // parse transaction log - /eth/uniswap/v3/result
+    const parsedLog = await request('post', '/eth/uniswap/v3/result', {
+      logs: JSON.stringify(tx1.receipt.logs),
+      pair: pair,
+    });
+    for (let inf of parsedLog.info) {
+      if (inf.name === 'IncreaseLiquidity') {
+        for (let evt of inf.events) {
+          if (evt.name === 'tokenId') {
+            tid = evt.value;
+            console.log(`New lp order id: ${tid}`);
+          }
+        }
+      }
+    }
+  }
+  assert.equal(tx1.receipt.status, 1, 'Position transaction reverted.');
+
+  done = false;
+
+  // close position
+  console.log(`Closing position with id ${tid}...`);
+  const closePid = await request('post', '/eth/uniswap/v3/remove-position', {
+    tokenId: tid,
+    getFee: 'false',
+  });
+  assert.hasAnyKeys(closePid, ['hash'], 'Close position transaction failed.');
+  console.log(`close position transaction hash - ${closePid.hash}`);
+  while (!done) {
+    tx2 = await request('post', '/eth/poll', { txHash: closePid.hash });
+    console.log(tx2);
+    done = tx2.confirmed;
+  }
+  if (done) {
+    // parse transaction log - /eth/uniswap/v3/result
+    const parsedLog2 = await request('post', '/eth/uniswap/v3/result', {
+      logs: JSON.stringify(tx2.receipt.logs),
+      pair: pair,
+    });
+    for (let inf of parsedLog2.info) {
+      if (inf.name === 'DecreaseLiquidity') {
+        for (let evt of inf.events) {
+          if (evt.name === 'tokenId') {
+            assert.equal(evt.value, tid);
+            console.log(`Lp order with id ${tid} removed.`);
+          }
+        }
+      }
+    }
+  }
+  assert.equal(tx2.receipt.status, 1, 'Close position transaction reverted.');
+}
+
+(async () => {
+  await ethTests('uniswapV3NFTManager', TOKENS);
+  await unitTests();
+})();
diff --git a/yarn.lock b/yarn.lock
index d1799c3..e318813 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1180,6 +1180,11 @@
     "@types/connect" "*"
     "@types/node" "*"
 
+"@types/chai@^4.2.10":
+  version "4.2.21"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.21.tgz#9f35a5643129df132cf3b5c1ec64046ea1af0650"
+  integrity sha512-yd+9qKmJxm496BOV9CMNaey8TWsikaZOwMRwPHQIjcOJM9oV+fi9ZMNw3JsVnbEEbo2gRTDnGEBv8pjyn67hNg==
+
 "@types/connect@*":
   version "3.4.35"
   resolved "https://registry.yarnpkg.com/@types/connect/-/connect-3.4.35.tgz#5fcf6ae445e4021d1fc2219a4873cc73a3bb2ad1"
@@ -1732,6 +1737,11 @@ array.prototype.flat@^1.2.4:
     define-properties "^1.1.3"
     es-abstract "^1.18.0-next.1"
 
+assertion-error@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-1.1.0.tgz#e60b6b0e8f301bd97e5375215bda406c85118c0b"
+  integrity sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==
+
 assign-symbols@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/assign-symbols/-/assign-symbols-1.0.0.tgz#59667f41fadd4f20ccbc2bb96b8d4f7f78ec0367"
@@ -2156,6 +2166,18 @@ capture-console@^1.0.1:
     lodash.isfunction "~3.0.8"
     randomstring "~1.1.5"
 
+chai@^4.2.0:
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/chai/-/chai-4.3.4.tgz#b55e655b31e1eac7099be4c08c21964fce2e6c49"
+  integrity sha512-yS5H68VYOCtN1cjfwumDSuzn/9c+yza4f3reKXlE5rUg7SFcCEy90gJvydNgOYtblyf4Zi6jIWRnXOgErta0KA==
+  dependencies:
+    assertion-error "^1.1.0"
+    check-error "^1.0.2"
+    deep-eql "^3.0.1"
+    get-func-name "^2.0.0"
+    pathval "^1.1.1"
+    type-detect "^4.0.5"
+
 chalk@3.0.0, chalk@^3.0.0, chalk@~3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-3.0.0.tgz#3f73c2bf526591f574cc492c51e2456349f844e4"
@@ -2191,6 +2213,11 @@ charm@~0.1.1:
   resolved "https://registry.yarnpkg.com/charm/-/charm-0.1.2.tgz#06c21eed1a1b06aeb67553cdc53e23274bac2296"
   integrity sha1-BsIe7RobBq62dVPNxT4jJ0usIpY=
 
+check-error@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
+  integrity sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=
+
 chokidar@^3.2.2, chokidar@^3.4.3, chokidar@^3.5.1:
   version "3.5.2"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.5.2.tgz#dba3976fcadb016f66fd365021d91600d01c1e75"
@@ -2574,6 +2601,13 @@ dedent@^0.7.0:
   resolved "https://registry.yarnpkg.com/dedent/-/dedent-0.7.0.tgz#2495ddbaf6eb874abb0e1be9df22d2e5a544326c"
   integrity sha1-JJXduvbrh0q7Dhvp3yLS5aVEMmw=
 
+deep-eql@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/deep-eql/-/deep-eql-3.0.1.tgz#dfc9404400ad1c8fe023e7da1df1c147c4b444df"
+  integrity sha512-+QeIQyN5ZuO+3Uk5DYh6/1eKO0m0YmJFGNmFHGACpf1ClL1nmlV/p4gNgbl2pJGxgXb4faqo6UE+M5ACEMyVcw==
+  dependencies:
+    type-detect "^4.0.0"
+
 deep-extend@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.6.0.tgz#c4fa7c95404a17a9c3e8ca7e1537312b736330ac"
@@ -3052,6 +3086,11 @@ eslint@^7.25.0:
     text-table "^0.2.0"
     v8-compile-cache "^2.0.3"
 
+esm@^3.2.25:
+  version "3.2.25"
+  resolved "https://registry.yarnpkg.com/esm/-/esm-3.2.25.tgz#342c18c29d56157688ba5ce31f8431fbb795cc10"
+  integrity sha512-U1suiZ2oDVWv4zPO56S0NcR5QriEahGtdN2OR6FiOG4WJvcjBVFB0qI4+eKoWFH483PKGuLuu6V8Z4T5g63UVA==
+
 espree@^7.3.0, espree@^7.3.1:
   version "7.3.1"
   resolved "https://registry.yarnpkg.com/espree/-/espree-7.3.1.tgz#f2df330b752c6f55019f8bd89b7660039c1bbbb6"
@@ -3555,6 +3594,11 @@ get-caller-file@^2.0.5:
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
   integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
 
+get-func-name@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/get-func-name/-/get-func-name-2.0.0.tgz#ead774abee72e20409433a066366023dd6887a41"
+  integrity sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=
+
 get-intrinsic@^1.0.2, get-intrinsic@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/get-intrinsic/-/get-intrinsic-1.1.1.tgz#15f59f376f855c446963948f0d24cd3637b4abc6"
@@ -5767,6 +5811,11 @@ path-type@^4.0.0:
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-4.0.0.tgz#84ed01c0a7ba380afe09d90a8c180dcd9d03043b"
   integrity sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==
 
+pathval@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.1.tgz#8534e77a77ce7ac5a2512ea21e0fdb8fcf6c3d8d"
+  integrity sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==
+
 pbkdf2@^3.0.9:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.1.2.tgz#dd822aa0887580e52f1a039dc3eda108efae3075"
@@ -7104,7 +7153,7 @@ type-check@~0.3.2:
   dependencies:
     prelude-ls "~1.1.2"
 
-type-detect@4.0.8:
+type-detect@4.0.8, type-detect@^4.0.0, type-detect@^4.0.5:
   version "4.0.8"
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"
   integrity sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==