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tornado-core
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fix minimal example

This commit is contained in:
Alexey 2020-03-04 14:30:26 +03:00
parent 30b07f76a5
commit cfaf325c47
1 changed files with 13 additions and 8 deletions
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21
minimal-demo.js
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@ -10,11 +10,12 @@ const websnarkUtils = require('websnark/src/utils')
const { toWei } = require('web3-utils')
let web3, contract, netId, circuit, proving_key, groth16
const RPC_URL = 'http://localhost:8545'
const CONTRACT_ADDRESS = '0x9561C133DD8580860B6b7E504bC5Aa500f0f06a7'
const MERKLE_TREE_HEIGHT = 20
const AMOUNT = '0.1'
const DEPLOYED_BLOCK = 0
const RPC_URL = 'https://kovan.infura.io/v3/0279e3bdf3ee49d0b547c643c2ef78ef'
const PRIVATE_KEY = 'ad5b6eb7ee88173fa43dedcff8b1d9024d03f6307a1143ecf04bea8ed40f283f' // 0x94462e71A887756704f0fb1c0905264d487972fE
const CONTRACT_ADDRESS = '0xD6a6AC46d02253c938B96D12BE439F570227aE8E'
const AMOUNT = '1'
// CURRENCY = 'ETH'
/** Generate random number of specified byte length */
const rbigint = nbytes => bigInt.leBuff2int(crypto.randomBytes(nbytes))
@ -42,7 +43,8 @@ function createDeposit(nullifier, secret) {
async function deposit() {
const deposit = createDeposit(rbigint(31), rbigint(31))
console.log('Sending deposit transaction...')
await contract.methods.deposit(toHex(deposit.commitment)).send({ value: toWei(AMOUNT), from: web3.eth.defaultAccount, gas:2e6 })
const tx = await contract.methods.deposit(toHex(deposit.commitment)).send({ value: toWei(AMOUNT), from: web3.eth.defaultAccount, gas:2e6 })
console.log(`https://kovan.etherscan.io/tx/${tx.transactionHash}`)
return `tornado-eth-${AMOUNT}-${netId}-${toHex(deposit.preimage, 62)}`
}
@ -55,7 +57,8 @@ async function withdraw(note, recipient) {
const deposit = parseNote(note)
const { proof, args } = await generateSnarkProof(deposit, recipient)
console.log('Sending withdrawal transaction...')
await contract.methods.withdraw(proof, ...args).send({ from: web3.eth.defaultAccount, gas: 1e6 })
const tx = await contract.methods.withdraw(proof, ...args).send({ from: web3.eth.defaultAccount, gas: 1e6 })
console.log(`https://kovan.etherscan.io/tx/${tx.transactionHash}`)
}
/**
@ -81,7 +84,7 @@ function parseNote(noteString) {
*/
async function generateMerkleProof(deposit) {
console.log('Getting contract state...')
const events = await contract.getPastEvents('Deposit', { fromBlock: DEPLOYED_BLOCK, toBlock: 'latest' })
const events = await contract.getPastEvents('Deposit', { fromBlock: 0, toBlock: 'latest' })
const leaves = events
.sort((a, b) => a.returnValues.leafIndex - b.returnValues.leafIndex) // Sort events in chronological order
.map(e => e.returnValues.commitment)
@ -151,7 +154,9 @@ async function main() {
groth16 = await buildGroth16()
netId = await web3.eth.net.getId()
contract = new web3.eth.Contract(require('./build/contracts/ETHTornado.json').abi, CONTRACT_ADDRESS)
web3.eth.defaultAccount = (await web3.eth.getAccounts())[0]
const account = web3.eth.accounts.privateKeyToAccount('0x' + PRIVATE_KEY)
web3.eth.accounts.wallet.add('0x' + PRIVATE_KEY)
web3.eth.defaultAccount = account.address
const note = await deposit()
console.log('Deposited note:', note)