Sepolia-Base cWETHv3 Deployment

deployments/base-sepolia/weth/configuration.json

@@ -0,0 +1,38 @@
+{
+  "name": "Compound WETH",
+  "symbol": "cWETHv3",
+  "baseToken": "WETH",
+  "baseTokenAddress": "0x4200000000000000000000000000000000000006",
+  "baseTokenPriceFeed": "",
+  "pauseGuardian": "0x6106DA3AcFdEB341808f4DC3D2483eC67c98E728",
+  "borrowMin": "1e0",
+  "storeFrontPriceFactor": 1,
+  "targetReserves": "5000e18",
+  "rates": {
+    "supplyKink": 0.9,
+    "supplySlopeLow": 0.0283824,
+    "supplySlopeHigh": 0.6066567706,
+    "supplyBase": 0,
+    "borrowKink": 0.9,
+    "borrowSlopeLow": 0.037,
+    "borrowSlopeHigh": 0.5171500339,
+    "borrowBase": 0.009945209674
+  },
+  "tracking": {
+    "indexScale": "1e15",
+    "baseSupplySpeed": "231_481_481_481e0",
+    "baseBorrowSpeed": "0e15",
+    "baseMinForRewards": "100e18"
+  },
+  "rewardToken": "COMP",
+  "assets": {
+    "cbETH": {
+      "address": "0x7c6b91D9Be155A6Db01f749217d76fF02A7227F2",
+      "decimals": "18",
+      "borrowCF": 0.90,
+      "liquidateCF": 0.93,
+      "liquidationFactor": 0.975,
+      "supplyCap": "7500e18"
+    }
+  }
+}

deployments/base-sepolia/weth/deploy.ts

@@ -0,0 +1,70 @@
+import { Deployed, DeploymentManager } from '../../../plugins/deployment_manager';
+import { DeploySpec, deployComet, exp } from '../../../src/deploy';
+
+export default async function deploy(deploymentManager: DeploymentManager, deploySpec: DeploySpec): Promise<Deployed> {
+  const deployed = await deployContracts(deploymentManager, deploySpec);
+  return deployed;
+}
+
+async function deployContracts(
+  deploymentManager: DeploymentManager,
+  deploySpec: DeploySpec
+): Promise<Deployed> {
+  const trace = deploymentManager.tracer();
+
+  // Deploy constant price feed for WETH
+  const wethConstantPriceFeed = await deploymentManager.deploy(
+    'WETH:priceFeed',
+    'pricefeeds/ConstantPriceFeed.sol',
+    [
+      8,                                             // decimals
+      exp(1, 8)                                      // constantPrice
+    ]
+  );
+
+  // Deploy scaling price feed for cbETH
+  // XXX There is no cbETH / ETH pricefeed on testnet. Remember to change this for mainnet.
+  // const cbETHScalingPriceFeed = await deploymentManager.deploy(
+  //   'cbETH:priceFeed',
+  //   'ScalingPriceFeed.sol',
+  //   [
+  //     '0xcD2A119bD1F7DF95d706DE6F2057fDD45A0503E2', // cbETH / ETH price feed
+  //     8                                             // decimals
+  //   ]
+  // );
+  const cbETHConstantPriceFeed = await deploymentManager.deploy(
+    'cbETH:priceFeed',
+    'pricefeeds/ConstantPriceFeed.sol',
+    [
+      8,                                             // decimals
+      exp(1, 8)                                      // constantPrice
+    ]
+  );
+
+  // Import shared contracts from cUSDCv3
+  const cometAdmin = await deploymentManager.fromDep('cometAdmin', 'base-sepolia', 'usdc');
+  const cometFactory = await deploymentManager.fromDep('cometFactory', 'base-sepolia', 'usdc');
+  const $configuratorImpl = await deploymentManager.fromDep('configurator:implementation', 'base-sepolia', 'usdc');
+  const configurator = await deploymentManager.fromDep('configurator', 'base-sepolia', 'usdc');
+  const rewards = await deploymentManager.fromDep('rewards', 'base-sepolia', 'usdc');
+  const bulker = await deploymentManager.fromDep('bulker', 'base-sepolia', 'usdc');
+  const fauceteer = await deploymentManager.fromDep('fauceteer', 'base-sepolia', 'usdc');
+  const l2CrossDomainMessenger = await deploymentManager.fromDep('l2CrossDomainMessenger', 'base-sepolia', 'usdc');
+  const l2StandardBridge = await deploymentManager.fromDep('l2StandardBridge', 'base-sepolia', 'usdc');
+  const localTimelock = await deploymentManager.fromDep('timelock', 'base-sepolia', 'usdc');
+  const bridgeReceiver = await deploymentManager.fromDep('bridgeReceiver', 'base-sepolia', 'usdc');
+
+  // Deploy Comet
+  const deployed = await deployComet(deploymentManager, deploySpec);
+
+  // XXX We will need to deploy a new bulker only if need to support wstETH
+
+  return {
+    ...deployed,
+    bridgeReceiver,
+    l2CrossDomainMessenger,
+    l2StandardBridge,
+    bulker,
+    fauceteer
+  };
+}

deployments/base-sepolia/weth/relations.ts

@@ -0,0 +1,34 @@
+import baseRelationConfig from '../../relations';
+
+export default {
+  ...baseRelationConfig,
+  governor: {
+    artifact: 'contracts/bridges/optimism/OptimismBridgeReceiver.sol:OptimismBridgeReceiver'
+  },
+
+  // cbETH
+  '0x774ed9edb0c5202df9a86183804b5d9e99dc6ca3': {
+    artifact: 'contracts/ERC20.sol:ERC20',
+  },
+
+  // COMP
+  '0x2f535da74048c0874400f0371fba20df983a56e2': {
+    artifact: 'contracts/ERC20.sol:ERC20',
+  },
+
+  l2CrossDomainMessenger: {
+    delegates: {
+      field: {
+        slot: '0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc'
+      }
+    }
+  },
+
+  l2StandardBridge: {
+    delegates: {
+      field: {
+        slot: '0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc'
+      }
+    }
+  }
+};

deployments/base-sepolia/weth/roots.json

@@ -0,0 +1,10 @@
+{
+    "comet": "0x571621Ce60Cebb0c1D442B5afb38B1663C6Bf017",
+    "configurator": "0x090a2b1fc84d0b5141d5D5608b12Db19201aE5a6",
+    "rewards": "0x3394fa1baCC0b47dd0fF28C8573a476a161aF7BC",
+    "bridgeReceiver": "0x80c116493DB619560e3380D0fF195e749D8857D7",
+    "l2CrossDomainMessenger": "0x4200000000000000000000000000000000000007",
+    "l2StandardBridge": "0x4200000000000000000000000000000000000010",
+    "bulker": "0x7D25b2AecF07B5CB87B05e17Aa5cecbA8BCfDBD1",
+    "fauceteer": "0xD76cB57d8B097B80a6eE4D1b4d5ef872bfBa6051"
+}

hardhat.config.ts

@@ -35,6 +35,7 @@ import baseWethRelationConfigMap from './deployments/base/weth/relations';
 import baseUsdcRelationConfigMap from './deployments/base/usdc/relations';
 import baseGoerliRelationConfigMap from './deployments/base-goerli/usdc/relations';
 import baseSepoliaRelationConfigMap from './deployments/base-sepolia/usdc/relations';
+import baseSepoliaWethRelationConfigMap from './deployments/base-sepolia/weth/relations';
 import baseGoerliWethRelationConfigMap from './deployments/base-goerli/weth/relations';
 import lineaGoerliRelationConfigMap from './deployments/linea-goerli/usdc/relations';
 
@@ -343,7 +344,8 @@ const config: HardhatUserConfig = {
         weth: baseGoerliWethRelationConfigMap
       },
       'base-sepolia': {
-        usdc: baseSepoliaRelationConfigMap
+        usdc: baseSepoliaRelationConfigMap,
+        weth: baseSepoliaWethRelationConfigMap
       },
       'linea-goerli': {
         usdc: lineaGoerliRelationConfigMap
@@ -466,6 +468,12 @@ const config: HardhatUserConfig = {
         deployment: 'usdc',
         auxiliaryBase: 'sepolia-usdc'
       },
+      {
+        name: 'base-sepolia-weth',
+        network: 'base-sepolia',
+        deployment: 'weth',
+        auxiliaryBase: 'sepolia-weth'
+      },
       {
         name: 'linea-goerli',
         network: 'linea-goerli',