add Amnis yield (#1046)

* add Amnis yield

* recalculate apy

src/adaptors/amnis-finance/index.js

@@ -0,0 +1,45 @@
+const { default: BigNumber } = require('bignumber.js');
+
+const utils = require('../utils');
+
+const AMNIS_RESOURCE_ACCOUNT ='0x111ae3e5bc816a5e63c2da97d0aa3886519e0cd5e4b046659fa35796bd11542a';
+const NODE_URL = 'https://fullnode.mainnet.aptoslabs.com/v1';
+const COINS_LLAMA_PRICE_URL = 'https://coins.llama.fi/prices/current/';
+const DECIMALS = 1e8;
+const axios = require('axios');
+
+
+const aptosCoinName = 'coingecko:aptos';
+
+async function main() {
+    //calculate apy
+    const { data: { rewards_rate, rewards_rate_denominator } } = await utils.getData(`${NODE_URL}/accounts/0x1/resource/0x1::staking_config::StakingConfig`)
+    const amStakedData = await utils.getData(`${NODE_URL}/view`, {"function": `${AMNIS_RESOURCE_ACCOUNT}::stapt_token::total_amapt_staked`,"type_arguments": [],"arguments": []})
+    const amStaked = amStakedData[0]
+    const amTotalSupplyData = await utils.getData(`${NODE_URL}/view`, {"function": `${AMNIS_RESOURCE_ACCOUNT}::amapt_token::total_supply`,"type_arguments": [],"arguments": []})
+    const amTotalSupply = amTotalSupplyData[0]
+    const apy = (Math.pow(1 + rewards_rate * amTotalSupply / amStaked / rewards_rate_denominator, 12 * 365) - 1) * 100;
+
+    //calculate tvlUsd
+    let tvlUsd = 0
+    const aptPrice = await utils.getData(`${COINS_LLAMA_PRICE_URL}${aptosCoinName}`)
+    const { data: { supply } } = await utils.getData(`${NODE_URL}/accounts/${AMNIS_RESOURCE_ACCOUNT}/resource/0x1::coin::CoinInfo%3C${AMNIS_RESOURCE_ACCOUNT}::amapt_token::AmnisApt%3E`)
+    tvlUsd = supply.vec[0].integer.vec[0].value/1e8 * aptPrice.coins[aptosCoinName].price
+
+    return [
+        {
+          pool: `${AMNIS_RESOURCE_ACCOUNT}-amnis-finance`,
+          chain: utils.formatChain('aptos'),
+          project: 'amnis-finance',
+          symbol: utils.formatSymbol('amApt'),
+          tvlUsd: tvlUsd,
+          apy: apy,
+        },
+      ];
+}
+
+module.exports = {
+  timetravel: false,
+  apy: main,
+  url: 'https://amnis.finance',
+};