mirror of
https://github.com/tornadocash/tornado-core.git
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113 lines
9.8 KiB
JavaScript
113 lines
9.8 KiB
JavaScript
require('dotenv').config()
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const Web3 = require('web3')
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// 1. edit here
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const web3Source = new Web3('https://mainnet.infura.io/v3/c7463beadf2144e68646ff049917b716', null, { transactionConfirmationBlocks: 1 })
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const web3Target = new Web3('https://kovan.infura.io/v3/c7463beadf2144e68646ff049917b716', null, { transactionConfirmationBlocks: 1 })
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const web3Ganache = new Web3('http://localhost:8545', null, { transactionConfirmationBlocks: 1 })
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const account = web3Source.eth.accounts.privateKeyToAccount('0x' + process.env.PRIVATE_KEY)
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web3Source.eth.accounts.wallet.add('0x' + process.env.PRIVATE_KEY)
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web3Source.eth.defaultAccount = account.address
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const ABI = [{ 'constant':false,'inputs':[{ 'name':'_newAccount','type':'address' }],'name':'changeOperator','outputs':[],'payable':false,'stateMutability':'nonpayable','type':'function' },{ 'constant':true,'inputs':[],'name':'filled_subtrees','outputs':[{ 'name':'','type':'uint256[]' }],'payable':false,'stateMutability':'view','type':'function' },{ 'constant':true,'inputs':[{ 'name':'','type':'uint256' }],'name':'nullifierHashes','outputs':[{ 'name':'','type':'bool' }],'payable':false,'stateMutability':'view','type':'function' },{ 'constant':true,'inputs':[],'name':'verifier','outputs':[{ 'name':'','type':'address' }],'payable':false,'stateMutability':'view','type':'function' },{ 'constant':true,'inputs':[],'name':'transferValue','outputs':[{ 'name':'','type':'uint256' }],'payable':false,'stateMutability':'view','type':'function' },{ 'constant':false,'inputs':[{ 'name':'_commitments','type':'uint256[]' },{ 'name':'_nullifierHashes','type':'uint256[]' }],'name':'migrateState','outputs':[],'payable':false,'stateMutability':'nonpayable','type':'function' },{ 'constant':true,'inputs':[],'name':'roots','outputs':[{ 'name':'','type':'uint256[]' }],'payable':false,'stateMutability':'view','type':'function' },{ 'constant':false,'inputs':[{ 'name':'_verifier','type':'address' },{ 'name':'_transferValue','type':'uint256' },{ 'name':'_merkleTreeHeight','type':'uint8' },{ 'name':'_emptyElement','type':'uint256' },{ 'name':'_operator','type':'address' },{ 'name':'_filled_subtrees','type':'uint256[]' },{ 'name':'_lastRoot','type':'uint256' }],'name':'initialize','outputs':[],'payable':false,'stateMutability':'nonpayable','type':'function' },{ 'constant':true,'inputs':[{ 'name':'','type':'uint256' }],'name':'commitments','outputs':[{ 'name':'','type':'bool' }],'payable':false,'stateMutability':'view','type':'function' },{ 'constant':true,'inputs':[],'name':'zeros','outputs':[{ 'name':'','type':'uint256[]' }],'payable':false,'stateMutability':'view','type':'function' },{ 'constant':true,'inputs':[],'name':'levels','outputs':[{ 'name':'','type':'uint256' }],'payable':false,'stateMutability':'view','type':'function' },{ 'constant':false,'inputs':[{ 'name':'a','type':'uint256[2]' },{ 'name':'b','type':'uint256[2][2]' },{ 'name':'c','type':'uint256[2]' },{ 'name':'input','type':'uint256[4]' }],'name':'withdraw','outputs':[],'payable':false,'stateMutability':'nonpayable','type':'function' },{ 'constant':true,'inputs':[],'name':'operator','outputs':[{ 'name':'','type':'address' }],'payable':false,'stateMutability':'view','type':'function' },{ 'constant':true,'inputs':[],'name':'isDepositsEnabled','outputs':[{ 'name':'','type':'bool' }],'payable':false,'stateMutability':'view','type':'function' },{ 'constant':true,'inputs':[{ 'name':'nullifier','type':'uint256' }],'name':'isSpent','outputs':[{ 'name':'','type':'bool' }],'payable':false,'stateMutability':'view','type':'function' },{ 'constant':true,'inputs':[{ 'name':'left','type':'uint256' },{ 'name':'right','type':'uint256' }],'name':'hashLeftRight','outputs':[{ 'name':'mimc_hash','type':'uint256' }],'payable':false,'stateMutability':'pure','type':'function' },{ 'constant':true,'inputs':[],'name':'next_index','outputs':[{ 'name':'','type':'uint32' }],'payable':false,'stateMutability':'view','type':'function' },{ 'constant':true,'inputs':[],'name':'current_root','outputs':[{ 'name':'','type':'uint256' }],'payable':false,'stateMutability':'view','type':'function' },{ 'constant':false,'inputs':[{ 'name':'tree_levels','type':'uint256' },{ 'name':'zero_value','type':'uint256' },{ 'name':'filled_subtrees','type':'uint256[]' },{ 'name':'lastRoot','type':'uint256' }],'name':'initialize','outputs':[],'payable':false,'stateMutability':'nonpayable','type':'function' },{ 'constant':true,'inputs':[{ 'name':'root','type':'uint256' }],'name':'isKnownRoot','outputs':[{ 'name':'','type':'bool' }],'payable':false,'stateMutability':'view','type':'function' },{ 'constant':false,'inputs':[{ 'name':'commitment','type':'uint256' }],'name':'deposit','outputs':[],'payable':true,'stateMutability':'payable','type':'function' },{ 'constant':true,'inputs':[],'name':'getLastRoot','outputs':[{ 'name':'','type':'uint256' }],'payable':false,'stateMutability':'view','type':'function' },{ 'constant':false,'inputs':[],'name':'toggleDeposits','outputs':[],'payable':false,'stateMutability':'nonpayable','type':'function' },{ 'constant':false,'inputs':[],'name':'stopMigration','outputs':[],'payable':false,'stateMutability':'nonpayable','type':'function' },{ 'constant':true,'inputs':[],'name':'isMigrating','outputs':[{ 'name':'','type':'bool' }],'payable':false,'stateMutability':'view','type':'function' },{ 'payable':true,'stateMutability':'payable','type':'fallback' },{ 'anonymous':false,'inputs':[{ 'indexed':true,'name':'commitment','type':'uint256' },{ 'indexed':false,'name':'leafIndex','type':'uint256' },{ 'indexed':false,'name':'timestamp','type':'uint256' }],'name':'Deposit','type':'event' },{ 'anonymous':false,'inputs':[{ 'indexed':false,'name':'to','type':'address' },{ 'indexed':false,'name':'nullifierHash','type':'uint256' },{ 'indexed':false,'name':'fee','type':'uint256' }],'name':'Withdraw','type':'event' }]
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const ABIv2 = require('./build/contracts/ETHMixer.json').abi
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const snarkjs = require('snarkjs')
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const bigInt = snarkjs.bigInt
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const { numberToHex, toWei } = require('web3-utils')
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// 2. edit here
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const PREVIOUS_MIXER = '0xb541fc07bC7619fD4062A54d96268525cBC6FfEF'
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const GANACHE_MIXER = '0x38e6292EAB2fD2a70A81C87a194d921988d859aB'
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const NEW_MIXER = '0x0a854Cf44f87FF135e2d49d2b482001853CfD98d'
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function toHex(number, length = 32) {
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let str = number instanceof Buffer ? number.toString('hex') : bigInt(number).toString(16)
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return '0x' + str.padStart(length * 2, '0')
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}
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const previousMixer = new web3Source.eth.Contract(ABI, PREVIOUS_MIXER)
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previousMixer.deployedBlock = 0
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async function loadDeposits() {
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const depositEvents = await previousMixer.getPastEvents('Deposit', { fromBlock: previousMixer.deployedBlock, toBlock: 'latest' })
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console.log('deposits length', depositEvents.length)
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const withdrawEvents = await previousMixer.getPastEvents('Withdraw', { fromBlock: previousMixer.deployedBlock, toBlock: 'latest' })
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console.log('withdrawEvents length', withdrawEvents.length)
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const commitments = depositEvents
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.sort((a, b) => a.returnValues.leafIndex.sub(b.returnValues.leafIndex))
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.map(e => toHex(e.returnValues.commitment))
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const nullifiers = withdrawEvents
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.map(e => toHex(e.returnValues.nullifierHash))
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const { root, subtrees } = await getSubtrees({ commitments })
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console.log(root, subtrees)
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// console.log(JSON.stringify({ subtrees, lastRoot, commitments, nullifiers }, null, 2))
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return { subtrees, lastRoot: toHex(root), commitments, nullifiers }
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}
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async function getSubtrees({ commitments }) {
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const tempMixer = new web3Ganache.eth.Contract(ABIv2, GANACHE_MIXER)
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for(let commitment of commitments) {
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await tempMixer.methods.deposit(commitment).send({ value: toWei('0.1'), from: (await web3Ganache.eth.getAccounts())[0], gas:5e6 })
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process.stdout.write('.')
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}
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process.stdout.write('\n')
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let subtrees = []
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for (let i = 0; i < process.env.MERKLE_TREE_HEIGHT; i++) {
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subtrees.push(await tempMixer.methods.filledSubtrees(i).call())
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}
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subtrees = subtrees.map(x => toHex(x))
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const lastRoot = await tempMixer.methods.getLastRoot().call()
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return { subtrees, root: toHex(lastRoot) }
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}
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async function migrateState({ subtrees, lastRoot, commitments, nullifiers, newMixer }) {
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const loadBy = 100
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let commitmentsToLoad
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let nullifiersToLoad
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await newMixer.methods.initializeTreeForMigration(subtrees, lastRoot).send({
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gas: numberToHex(2500000),
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gasPrice: toHex(toWei('10', 'gwei')),
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from: account.address
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})
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for(let i=0; i < commitments.length / loadBy; i++) {
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commitmentsToLoad = commitments.slice(i*loadBy, (i+1)*loadBy)
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nullifiersToLoad = nullifiers.slice(i*loadBy, (i+1)*loadBy)
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console.log(`Uploading commitments and nullifiers from ${i*loadBy} to ${(i+1)*loadBy}:`)
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// console.log('Commitments:\n', commitmentsToLoad)
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// console.log('Nullifiers:\n', nullifiersToLoad)
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const tx = await newMixer.methods.migrateState(
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commitmentsToLoad,
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nullifiersToLoad
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).send({
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gas: numberToHex(6500000),
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gasPrice: toHex(toWei('10', 'gwei')),
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from: account.address
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})
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console.log('Gas used:', tx.gasUsed)
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}
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const balance = await web3Source.eth.getBalance(PREVIOUS_MIXER)
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console.log('balance to send in wei', balance)
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// const finish = await newMixer.methods.finishMigration().send({
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// gas: numberToHex(1500000),
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// gasPrice: toHex(toWei('10', 'gwei')),
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// from: account.address,
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// value: balance
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// })
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// console.log('migration completed', finish.transactionHash)
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}
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async function main() {
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const { subtrees, lastRoot, commitments, nullifiers } = await loadDeposits()
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const newMixer = new web3Target.eth.Contract(ABIv2, NEW_MIXER)
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web3Target.eth.accounts.wallet.add('0x' + process.env.PRIVATE_KEY)
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web3Target.eth.defaultAccount = account.address
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console.log('commitments length ', commitments.length)
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console.log('nullifiers length ', nullifiers.length)
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await migrateState({ subtrees, lastRoot, commitments, nullifiers, newMixer })
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}
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main()
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