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typed withdraw inputs

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poma 2019-11-04 22:42:41 +03:00
parent e9c2055bb4
commit 74913e67b2
5 changed files with 195 additions and 62 deletions
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31
cli.js
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@ -113,11 +113,19 @@ async function withdrawErc20(note, receiver, relayer) {
console.log('Generating SNARK proof')
console.time('Proof time')
const proofData = await websnarkUtils.genWitnessAndProve(groth16, input, circuit, proving_key)
const { proof, publicSignals } = websnarkUtils.toSolidityInput(proofData)
const { proof } = websnarkUtils.toSolidityInput(proofData)
console.timeEnd('Proof time')
console.log('Submitting withdraw transaction')
await erc20mixer.methods.withdraw(proof, publicSignals).send({ from: (await web3.eth.getAccounts())[0], gas: 1e6 })
const args = [
toHex(input.root),
toHex(input.nullifierHash),
toHex(input.receiver, 20),
toHex(input.relayer, 20),
toHex(input.fee),
toHex(input.refund)
]
await erc20mixer.methods.withdraw(proof, ...args).send({ from: (await web3.eth.getAccounts())[0], gas: 1e6 })
console.log('Done')
}
@ -138,6 +146,13 @@ async function getBalanceErc20(receiver, relayer) {
console.log('Relayer token Balance is ', web3.utils.fromWei(tokenBalanceRelayer.toString()))
}
function toHex(number, length = 32) {
let str = bigInt(number).toString(16)
while (str.length < length * 2) str = '0' + str
str = '0x' + str
return str
}
async function withdraw(note, receiver) {
// Decode hex string and restore the deposit object
let buf = Buffer.from(note.slice(2), 'hex')
@ -188,11 +203,19 @@ async function withdraw(note, receiver) {
console.log('Generating SNARK proof')
console.time('Proof time')
const proofData = await websnarkUtils.genWitnessAndProve(groth16, input, circuit, proving_key)
const { proof, publicSignals } = websnarkUtils.toSolidityInput(proofData)
const { proof } = websnarkUtils.toSolidityInput(proofData)
console.timeEnd('Proof time')
console.log('Submitting withdraw transaction')
await mixer.methods.withdraw(proof, publicSignals).send({ from: (await web3.eth.getAccounts())[0], gas: 1e6 })
const args = [
toHex(input.root),
toHex(input.nullifierHash),
toHex(input.receiver, 20),
toHex(input.relayer, 20),
toHex(input.fee),
toHex(input.refund)
]
await mixer.methods.withdraw(proof, ...args).send({ from: (await web3.eth.getAccounts())[0], gas: 1e6 })
console.log('Done')
}