feat(governance): migrate mainnet DAO's UDT and ETH to Base

governance/proposals/udt/019-migrate-udt-eth-to-base.js

@@ -0,0 +1,84 @@
+const { ethers } = require('hardhat')
+const {
+  getNetwork,
+  getERC20Contract,
+  getBalance,
+} = require('@unlock-protocol/hardhat-helpers')
+const l1BridgeAbi = require('../../helpers/abi/l1standardbridge.json')
+
+// chains
+const srcChainId = 1 // mainnet
+const destChainId = 8453 // base
+const defaultGasAmount = '200000'
+
+module.exports = async ({
+  mainnetTimelockAddress = '0x17EEDFb0a6E6e06E95B3A1F928dc4024240BC76B',
+  baseTimelockAddress = '0xB34567C4cA697b39F72e1a8478f285329A98ed1b',
+  bridgeAddress = '0x3154Cf16ccdb4C6d922629664174b904d80F2C35',
+} = {}) => {
+  const {
+    name: srcName,
+    unlockDaoToken: { address: udtMainnetAddress },
+  } = await getNetwork(srcChainId)
+  const {
+    name: destName,
+    unlockDaoToken: { address: udtBaseAddress },
+  } = await getNetwork(destChainId)
+  console.log(
+    `Submitting proposal to bridge UDT from ${srcName} to  ${destName} (${srcChainId} > ${destChainId})`
+  )
+
+  // get current UDT balance
+  const udt = await getERC20Contract(udtMainnetAddress)
+  const mainnetUDTBalance = await udt.balanceOf(mainnetTimelockAddress)
+
+  // get mainnet ETH balance
+  const mainnetETHBalance = await getBalance(mainnetTimelockAddress)
+
+  // get base bridge contract
+  const bridgeContract = new ethers.Contract(bridgeAddress, l1BridgeAbi)
+
+  const calls = [
+    // set allowance for the bridge to spend udt
+    {
+      contractAddress: udtMainnetAddress,
+      calldata: udt.interface.encodeFunctionData('approve', [
+        bridgeAddress, // dest
+        mainnetUDTBalance, // amount
+      ]),
+    },
+    // call to bridge ETH
+    {
+      contractAddress: bridgeAddress,
+      calldata: bridgeContract.interface.encodeFunctionData('bridgeETHTo', [
+        baseTimelockAddress, // _to
+        defaultGasAmount, // _minGasLimit,
+        '0x', // _extraData
+      ]),
+      value: mainnetETHBalance,
+    },
+    // call to bridge UDT
+    {
+      contractAddress: bridgeAddress,
+      calldata: bridgeContract.interface.encodeFunctionData('bridgeERC20To', [
+        udtMainnetAddress, // _localToken,
+        udtBaseAddress, // _remoteToken,
+        baseTimelockAddress, // _to
+        mainnetUDTBalance, // amount,
+        defaultGasAmount, // _minGasLimit,
+        '0x', // _extraData
+      ]),
+    },
+  ]
+
+  // parse calls for Safe
+  const proposalName = `# Transfer UDT and ETH to Base
+
+This proposal will bridge the UDT and native ETH owned by the DAO to Base and transfer them to the new UP Governor.
+`
+
+  return {
+    proposalName,
+    calls,
+  }
+}

governance/scripts/gov/index.js

@@ -10,6 +10,7 @@ const {
   UnlockDiscountTokenV2,
   UniswapOracleV3,
 } = require('@unlock-protocol/contracts')
+const l1BridgeAbi = require('../../helpers/abi/l1standardbridge.json')
 
 // workflow
 const submit = require('./submit')
@@ -20,27 +21,40 @@ const execute = require('./execute')
 // parse logs
 const parseLogs = (
   logs,
-  abi = [...Unlock.abi, ...PublicLock.abi, ...UniswapOracleV3.abi]
+  showAll = false,
+  abi = [
+    ...Unlock.abi,
+    ...PublicLock.abi,
+    ...UniswapOracleV3.abi,
+    ...l1BridgeAbi,
+  ]
 ) => {
   const interface = new ethers.Interface(abi)
 
   // parse logs
   const parsedLogs = logs.map((log, i) => {
     try {
       const parsed = interface.parseLog(log)
-      log = parsed || log
+      log = parsed || { ...log, decodedError: true }
     } catch (error) {
       log.decodedError = true
     }
     return log
   })
-  return parsedLogs
+  const toShow = showAll
+    ? parsedLogs
+    : parsedLogs.filter(({ decodedError }) => !decodedError)
+
+  console.log(toShow)
+  console.log(`Logs not decoded: ${parsedLogs.length - toShow.length}`)
+  return toShow
 }
 
 async function main({ proposal, proposalId, govAddress, txId }) {
   const [signer] = await ethers.getSigners()
   const { chainId } = await ethers.provider.getNetwork()
 
+  console.log(proposal.proposalName)
   const quorum = await getQuorum(govAddress)
   const udtAddress = await getGovTokenAddress(govAddress)
 
@@ -105,7 +119,7 @@ async function main({ proposal, proposalId, govAddress, txId }) {
   const { logs } = await execute({ proposalId, txId, proposal, govAddress })
 
   // log all events
-  console.log(parseLogs(logs))
+  parseLogs(logs)
 
   // simulate bridge calls
   const xCalled = await parseXCalledEvents(logs)