forked from tornadocash/tornado-cli
1731 lines
61 KiB
JavaScript
Executable File
1731 lines
61 KiB
JavaScript
Executable File
#!/usr/bin/env node
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require('dotenv').config();
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const fs = require('fs');
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const axios = require('axios');
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const assert = require('assert');
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const snarkjs = require('@tornado/snarkjs');
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const crypto = require('crypto');
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const circomlib = require('@tornado/circomlib');
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const bigInt = snarkjs.bigInt;
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const merkleTree = require('@tornado/fixed-merkle-tree');
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const Web3 = require('web3');
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const Web3HttpProvider = require('@tornado/web3-providers-http');
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const { serialize } = require('@ethersproject/transactions');
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const buildGroth16 = require('@tornado/websnark/src/groth16');
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const websnarkUtils = require('@tornado/websnark/src/utils');
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const { toWei, fromWei, toBN, BN } = require('web3-utils');
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const BigNumber = require('bignumber.js');
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const config = require('./config');
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const program = require('commander');
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const { TornadoFeeOracleV4, TornadoFeeOracleV5, TokenPriceOracle } = require('@tornado/tornado-oracles');
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const { SocksProxyAgent } = require('socks-proxy-agent');
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const is_ip_private = require('private-ip');
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const readline = require('readline');
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const prompt = readline.createInterface({ input: process.stdin, output: process.stdout });
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const gasSpeedPreferences = ['instant', 'fast', 'standard', 'low'];
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let web3,
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torPort,
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tornado,
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tornadoProxyAddress,
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tornadoContract,
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tornadoInstance,
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circuit,
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provingKey,
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groth16,
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erc20,
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senderAccount,
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netId,
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netName,
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netSymbol,
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multiCall,
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userAction,
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subgraph,
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feeOracle;
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let MERKLE_TREE_HEIGHT, ETH_AMOUNT, TOKEN_AMOUNT, PRIVATE_KEY;
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/** Command state parameters */
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let preferenceSpeed = gasSpeedPreferences[0];
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let isTestRPC = false;
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let shouldPromptConfirmation = true;
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let doNotSubmitTx, privateRpc;
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/** ----------------------------------------- **/
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/** Generate random number of specified byte length */
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const rbigint = (nbytes) => snarkjs.bigInt.leBuff2int(crypto.randomBytes(nbytes));
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/** Compute pedersen hash */
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const pedersenHash = (data) => circomlib.babyJub.unpackPoint(circomlib.pedersenHash.hash(data))[0];
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/** BigNumber to hex string of specified length */
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function toHex(number, length = 32) {
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const 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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/** Remove Decimal without rounding with BigNumber */
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function rmDecimalBN(bigNum, decimals = 6) {
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return new BigNumber(bigNum)
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.times(BigNumber(10).pow(decimals))
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.integerValue(BigNumber.ROUND_DOWN)
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.div(BigNumber(10).pow(decimals))
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.toNumber();
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}
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/** Use MultiCall Contract */
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async function useMultiCall(queryArray) {
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const multiCallABI = require('./build/contracts/Multicall.abi.json');
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const multiCallContract = new web3.eth.Contract(multiCallABI, multiCall);
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const { returnData } = await multiCallContract.methods.aggregate(queryArray).call();
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return returnData;
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}
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/** Display ETH account balance */
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async function printETHBalance({ address, name }) {
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const checkBalance = new BigNumber(await web3.eth.getBalance(address)).div(BigNumber(10).pow(18));
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console.log(`${name} balance is`, rmDecimalBN(checkBalance), `${netSymbol}`);
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}
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/** Display ERC20 account balance */
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async function printERC20Balance({ address, name, tokenAddress }) {
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let tokenDecimals, tokenBalance, tokenName, tokenSymbol;
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const erc20ContractJson = require('./build/contracts/ERC20Mock.json');
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erc20 = tokenAddress ? new web3.eth.Contract(erc20ContractJson.abi, tokenAddress) : erc20;
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if (!isTestRPC && !multiCall) {
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const tokenCall = await useMultiCall([
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[tokenAddress, erc20.methods.balanceOf(address).encodeABI()],
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[tokenAddress, erc20.methods.decimals().encodeABI()],
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[tokenAddress, erc20.methods.name().encodeABI()],
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[tokenAddress, erc20.methods.symbol().encodeABI()]
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]);
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tokenDecimals = parseInt(tokenCall[1]);
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tokenBalance = new BigNumber(tokenCall[0]).div(BigNumber(10).pow(tokenDecimals));
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tokenName = web3.eth.abi.decodeParameter('string', tokenCall[2]);
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tokenSymbol = web3.eth.abi.decodeParameter('string', tokenCall[3]);
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} else {
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tokenDecimals = await erc20.methods.decimals().call();
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tokenBalance = new BigNumber(await erc20.methods.balanceOf(address).call()).div(BigNumber(10).pow(tokenDecimals));
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tokenName = await erc20.methods.name().call();
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tokenSymbol = await erc20.methods.symbol().call();
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}
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console.log(`${name}`, tokenName, `Balance is`, rmDecimalBN(tokenBalance), tokenSymbol);
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}
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/**
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* Compute merkle tree and its root from array of cached deposit events
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* @param {Array} depositEvents Array of deposit event objects
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* @returns {Object} treeData
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* @returns {String[]} treeData.leaves Commitment hashes converted to decimals
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* @returns {MerkleTree} treeData.tree Builded merkle tree
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* @returns {String} treeData.root Merkle tree root
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*/
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function computeDepositEventsTree(depositEvents) {
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const leaves = depositEvents
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.sort((a, b) => a.leafIndex - b.leafIndex) // Sort events in chronological order
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.map((e) => toBN(e.commitment).toString(10)); // Leaf = commitment pedersen hash of deposit
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console.log('Computing deposit events merkle tree and its root');
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const tree = new merkleTree(MERKLE_TREE_HEIGHT, leaves);
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return { leaves, tree, root: tree.root() };
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}
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/**
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* Check validity of events merkle tree root via tornado contract
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* @async
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* @param {Array} depositEvents
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* @returns {boolean} True, if root is valid, else false
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* @throws {Error}
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*/
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async function isRootValid(depositEvents) {
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const { root } = computeDepositEventsTree(depositEvents);
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const isRootValid = await tornadoContract.methods.isKnownRoot(toHex(root)).call();
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return isRootValid;
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}
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async function submitTransaction(signedTX) {
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console.log('Submitting transaction to the remote node');
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await web3.eth
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.sendSignedTransaction(signedTX)
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.on('transactionHash', function (txHash) {
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console.log(`View transaction on block explorer https://${getExplorerLink()}/tx/${txHash}`);
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})
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.on('error', function (e) {
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console.error('on transactionHash error', e.message);
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});
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}
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async function generateTransaction(to, encodedData, value = 0, txType = 'other') {
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const nonce = await web3.eth.getTransactionCount(senderAccount);
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const isNumRString = typeof value == 'string' || typeof value == 'number';
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const valueCost = isNumRString ? toBN(value) : value;
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const incompletedTx = {
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to,
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value: valueCost.toString(),
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data: encodedData
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};
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const { gasPrice, gasLimit, l1Fee } = await feeOracle.getGasParams(incompletedTx, txType);
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const gasCosts = toBN(gasPrice).mul(toBN(gasLimit)).add(toBN(l1Fee));
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const totalCosts = valueCost.add(gasCosts);
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/** Transaction details */
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console.log('Gas price: ', web3.utils.hexToNumber(gasPrice));
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console.log('Gas limit: ', gasLimit);
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if (!toBN(l1Fee).eq(toBN(0)))
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console.log('Additional gas fees (like L1 data fee): ', rmDecimalBN(fromWei(l1Fee), 12), `${netSymbol}`);
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console.log('Transaction fee: ', rmDecimalBN(fromWei(gasCosts), 12), `${netSymbol}`);
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console.log('Transaction cost: ', rmDecimalBN(fromWei(totalCosts), 12), `${netSymbol}`);
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/** ----------------------------------------- **/
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function txoptions() {
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// Generate EIP-1559 transaction
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if (netId == 1) {
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return {
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to: to,
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value: value,
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nonce: nonce,
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maxFeePerGas: gasPrice,
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maxPriorityFeePerGas: web3.utils.toHex(web3.utils.toWei('3', 'gwei')),
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gas: gasLimit,
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data: encodedData
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};
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} else if (netId == 5 || netId == 137 || netId == 43114) {
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return {
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to: to,
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value: value,
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nonce: nonce,
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maxFeePerGas: gasPrice,
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maxPriorityFeePerGas: gasPrice,
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gas: gasLimit,
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data: encodedData
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};
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} else {
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return {
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to: to,
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value: value,
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nonce: nonce,
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gasPrice: gasPrice,
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gas: gasLimit,
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data: encodedData
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};
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}
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}
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if (shouldPromptConfirmation) {
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await promptConfirmation();
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}
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const tx = txoptions();
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const signed = await web3.eth.accounts.signTransaction(tx, PRIVATE_KEY);
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if (!doNotSubmitTx) {
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await submitTransaction(signed.rawTransaction);
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} else {
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console.log('\n=============Raw TX=================', '\n');
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console.log(
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`Please submit this raw tx to https://${getExplorerLink()}/pushTx, or otherwise broadcast with node cli.js broadcast command.`,
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`\n`
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);
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console.log(signed.rawTransaction, `\n`);
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console.log('=====================================', '\n');
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}
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}
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/**
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* Create deposit object from secret and nullifier
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*/
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function createDeposit({ nullifier, secret }) {
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const deposit = { nullifier, secret };
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deposit.preimage = Buffer.concat([deposit.nullifier.leInt2Buff(31), deposit.secret.leInt2Buff(31)]);
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deposit.commitment = pedersenHash(deposit.preimage);
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deposit.commitmentHex = toHex(deposit.commitment);
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deposit.nullifierHash = pedersenHash(deposit.nullifier.leInt2Buff(31));
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deposit.nullifierHex = toHex(deposit.nullifierHash);
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return deposit;
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}
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async function backupNote({ currency, amount, netId, note, noteString }) {
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try {
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await fs.writeFileSync(`./backup-tornado-${currency}-${amount}-${netId}-${note.slice(0, 10)}.txt`, noteString, 'utf8');
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console.log('Backed up deposit note as', `./backup-tornado-${currency}-${amount}-${netId}-${note.slice(0, 10)}.txt`);
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} catch (e) {
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throw new Error('Writing backup note failed:', e);
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}
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}
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async function backupInvoice({ currency, amount, netId, commitmentNote, invoiceString }) {
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try {
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await fs.writeFileSync(
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`./backup-tornadoInvoice-${currency}-${amount}-${netId}-${commitmentNote.slice(0, 10)}.txt`,
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invoiceString,
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'utf8'
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);
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console.log(
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'Backed up invoice as',
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`./backup-tornadoInvoice-${currency}-${amount}-${netId}-${commitmentNote.slice(0, 10)}.txt`
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);
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} catch (e) {
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throw new Error('Writing backup invoice failed:', e);
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}
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}
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/**
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* create a deposit invoice.
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* @param currency Сurrency
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* @param amount Deposit amount
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*/
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async function createInvoice({ currency, amount, chainId }) {
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const deposit = createDeposit({
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nullifier: rbigint(31),
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secret: rbigint(31)
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});
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const note = toHex(deposit.preimage, 62);
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const noteString = `tornado-${currency}-${amount}-${chainId}-${note}`;
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console.log(`Your note: ${noteString}`);
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const commitmentNote = toHex(deposit.commitment);
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const invoiceString = `tornadoInvoice-${currency}-${amount}-${chainId}-${commitmentNote}`;
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console.log(`Your invoice for deposit: ${invoiceString}`);
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await backupNote({ currency, amount, netId: chainId, note, noteString });
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await backupInvoice({ currency, amount, netId: chainId, commitmentNote, invoiceString });
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return noteString, invoiceString;
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}
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/**
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* Make a deposit
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* @param currency Сurrency
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* @param amount Deposit amount
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*/
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async function deposit({ currency, amount, commitmentNote }) {
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assert(senderAccount != null, 'Error! PRIVATE_KEY not found. Please provide PRIVATE_KEY in .env file if you deposit');
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let commitment, noteString;
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if (!commitmentNote) {
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console.log('Creating new random deposit note');
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const deposit = createDeposit({
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nullifier: rbigint(31),
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secret: rbigint(31)
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});
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const note = toHex(deposit.preimage, 62);
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noteString = `tornado-${currency}-${amount}-${netId}-${note}`;
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console.log(`Your note: ${noteString}`);
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await backupNote({ currency, amount, netId, note, noteString });
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commitment = toHex(deposit.commitment);
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} else {
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console.log('Using supplied invoice for deposit');
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commitment = toHex(commitmentNote);
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}
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if (currency === netSymbol.toLowerCase()) {
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await printETHBalance({ address: tornadoContract._address, name: 'Tornado contract' });
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await printETHBalance({ address: senderAccount, name: 'Sender account' });
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const value = isTestRPC ? ETH_AMOUNT : fromDecimals({ amount, decimals: 18 });
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console.log('Submitting deposit transaction');
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await generateTransaction(tornadoProxyAddress, tornado.methods.deposit(tornadoInstance, commitment, []).encodeABI(), value);
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await printETHBalance({ address: tornadoContract._address, name: 'Tornado contract' });
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await printETHBalance({ address: senderAccount, name: 'Sender account' });
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} else {
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// a token
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await printERC20Balance({ address: tornadoContract._address, name: 'Tornado contract' });
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await printERC20Balance({ address: senderAccount, name: 'Sender account' });
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const decimals = isTestRPC ? 18 : config.deployments[`netId${netId}`]['tokens'][currency].decimals;
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const tokenAmount = isTestRPC ? TOKEN_AMOUNT : fromDecimals({ amount, decimals });
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if (isTestRPC) {
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console.log('Minting some test tokens to deposit');
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await generateTransaction(erc20Address, erc20.methods.mint(senderAccount, tokenAmount).encodeABI());
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}
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const allowance = await erc20.methods.allowance(senderAccount, tornado._address).call({ from: senderAccount });
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console.log('Current allowance is', fromWei(allowance));
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if (toBN(allowance).lt(toBN(tokenAmount))) {
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console.log('Approving tokens for deposit');
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await generateTransaction(erc20Address, erc20.methods.approve(tornado._address, tokenAmount).encodeABI());
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}
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console.log('Submitting deposit transaction');
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await generateTransaction(tornadoProxyAddress, tornado.methods.deposit(tornadoInstance, commitment, []).encodeABI());
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await printERC20Balance({ address: tornadoContract._address, name: 'Tornado contract' });
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await printERC20Balance({ address: senderAccount, name: 'Sender account' });
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}
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if (!commitmentNote) {
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return noteString;
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}
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}
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/**
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* @typedef {Object} MerkleProof Use pregenerated merkle proof
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* @property {string} root Merkle tree root
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* @property {Array<number|string>} pathElements Number of hashes and hashes
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* @property {Array<number>} pathIndices Indicies
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*/
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/**
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* Generate merkle tree for a deposit.
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* Download deposit events from the tornado, reconstructs merkle tree, finds our deposit leaf
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* in it and generates merkle proof
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* @param {Object} deposit Deposit object
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* @param {string} currency Currency ticker, like 'ETH' or 'BNB'
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* @param {number} amount Tornado instance amount, like 0.1 (ETH or BNB) or 10
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* @return {Promise<MerkleProof>} Calculated valid merkle tree (proof)
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*/
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async function generateMerkleProof(deposit, currency, amount) {
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// Get all deposit events from smart contract and assemble merkle tree from them
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const cachedEvents = await fetchEvents({ type: 'deposit', currency, amount });
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const { tree, leaves, root } = computeDepositEventsTree(cachedEvents);
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// Validate that merkle tree is valid, deposit data is correct and note not spent.
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const leafIndex = leaves.findIndex((commitment) => toBN(deposit.commitmentHex).toString(10) === commitment);
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let isValidRoot, isSpent;
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if (!isTestRPC && !multiCall) {
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const callContract = await useMultiCall([
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[tornadoContract._address, tornadoContract.methods.isKnownRoot(toHex(root)).encodeABI()],
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[tornadoContract._address, tornadoContract.methods.isSpent(toHex(deposit.nullifierHash)).encodeABI()]
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]);
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isValidRoot = web3.eth.abi.decodeParameter('bool', callContract[0]);
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isSpent = web3.eth.abi.decodeParameter('bool', callContract[1]);
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} else {
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isValidRoot = await tornadoContract.methods.isKnownRoot(toHex(root)).call();
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isSpent = await tornadoContract.methods.isSpent(toHex(deposit.nullifierHash)).call();
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}
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assert(isValidRoot === true, 'Merkle tree is corrupted');
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assert(isSpent === false, 'The note is already spent');
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assert(leafIndex >= 0, 'The deposit is not found in the tree');
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// Compute merkle proof of our commitment
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const { pathElements, pathIndices } = tree.path(leafIndex);
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return { root, pathElements, pathIndices };
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}
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/**
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* @typedef {Object} ProofData
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* @property {string} proof - ZK-SNARK proof
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* @property {Array<string>} args - Withdrawal transaction proofed arguments
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*/
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/**
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* Generate SNARK proof for withdrawal
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* @param {Object} args Arguments
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* @param {Object} args.deposit Deposit object
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* @param {string} args.recipient Funds recipient
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* @param {string | 0 } args.relayer Relayer address
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* @param {number} args.fee Relayer fee
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* @param {number} args.refund Receive ether for exchanged tokens
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* @param {MerkleProof} [args.merkleProof] Valid merkle tree proof
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* @returns {Promise<ProofData>} Proof data
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*/
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async function generateProof({ deposit, currency, amount, recipient, relayerAddress = 0, fee = 0, refund = 0, merkleProof }) {
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// Compute merkle proof of our commitment
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if (merkleProof === undefined) merkleProof = await generateMerkleProof(deposit, currency, amount);
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const { root, pathElements, pathIndices } = merkleProof;
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// Prepare circuit input
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const input = {
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// Public snark inputs
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root: root,
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nullifierHash: deposit.nullifierHash,
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recipient: bigInt(recipient),
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relayer: bigInt(relayerAddress),
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fee: bigInt(fee),
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refund: bigInt(refund),
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// Private snark inputs
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nullifier: deposit.nullifier,
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secret: deposit.secret,
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pathElements: pathElements,
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pathIndices: pathIndices
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};
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console.log('Generating SNARK proof');
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console.time('Proof time');
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const proofData = await websnarkUtils.genWitnessAndProve(groth16, input, circuit, provingKey);
|
||
const { proof } = websnarkUtils.toSolidityInput(proofData);
|
||
console.timeEnd('Proof time');
|
||
|
||
const args = [
|
||
toHex(input.root),
|
||
toHex(input.nullifierHash),
|
||
toHex(input.recipient, 20),
|
||
toHex(input.relayer, 20),
|
||
toHex(input.fee),
|
||
toHex(input.refund)
|
||
];
|
||
|
||
return { proof, args };
|
||
}
|
||
|
||
/**
|
||
* Do an ETH withdrawal
|
||
* @param noteString Note to withdraw
|
||
* @param recipient Recipient address
|
||
*/
|
||
async function withdraw({ deposit, currency, amount, recipient, relayerURL, refund = '0' }) {
|
||
let options = {};
|
||
if (currency === netSymbol.toLowerCase() && refund !== '0') {
|
||
throw new Error('The ETH purchase is supposted to be 0 for ETH withdrawals');
|
||
}
|
||
|
||
if (!web3.utils.isAddress(recipient)) {
|
||
throw new Error('Recipient address is not valid');
|
||
}
|
||
|
||
refund = toWei(refund);
|
||
if (relayerURL) {
|
||
if (relayerURL.endsWith('.eth')) {
|
||
throw new Error(
|
||
'ENS name resolving is not supported. Please provide DNS name of the relayer. See instuctions in README.md'
|
||
);
|
||
}
|
||
if (torPort) {
|
||
options = {
|
||
httpsAgent: new SocksProxyAgent('socks5h://127.0.0.1:' + torPort),
|
||
headers: { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0' }
|
||
};
|
||
}
|
||
const relayerStatus = await axios.get(relayerURL + '/status', options);
|
||
|
||
const { rewardAccount, netId, ethPrices, tornadoServiceFee } = relayerStatus.data;
|
||
assert(netId === (await web3.eth.net.getId()) || netId === '*', 'This relay is for different network');
|
||
console.log('Relay address:', rewardAccount);
|
||
|
||
const decimals = isTestRPC ? 18 : config.deployments[`netId${netId}`]['tokens'][currency].decimals;
|
||
|
||
const merkleWithdrawalProof = await generateMerkleProof(deposit, currency, amount);
|
||
|
||
async function calculateDataForRelayer(totalRelayerFee = 0) {
|
||
const { proof, args } = await generateProof({
|
||
deposit,
|
||
currency,
|
||
amount,
|
||
recipient,
|
||
relayerAddress: rewardAccount,
|
||
fee: toBN(totalRelayerFee),
|
||
refund,
|
||
merkleProof: merkleWithdrawalProof
|
||
});
|
||
return { proof, args };
|
||
}
|
||
|
||
const { proof: dummyProof, args: dummyArgs } = await calculateDataForRelayer();
|
||
|
||
const withdrawalTxCalldata = tornado.methods.withdraw(tornadoProxyAddress, dummyProof, ...dummyArgs);
|
||
const incompleteWithdrawalTx = {
|
||
to: tornadoProxyAddress,
|
||
data: withdrawalTxCalldata,
|
||
value: toBN(dummyArgs[5]) || 0
|
||
};
|
||
|
||
const totalWithdrawalFee = await feeOracle.calculateWithdrawalFeeViaRelayer(
|
||
'user_withdrawal',
|
||
incompleteWithdrawalTx,
|
||
Number(tornadoServiceFee),
|
||
currency,
|
||
amount,
|
||
decimals,
|
||
refund,
|
||
ethPrices?.[currency]
|
||
);
|
||
const { proof, args } = await calculateDataForRelayer(totalWithdrawalFee);
|
||
|
||
console.log('Sending withdraw transaction through relay');
|
||
|
||
/** Relayer fee details **/
|
||
console.log('Total fees: ', rmDecimalBN(fromWei(toBN(totalWithdrawalFee)), 12), `${netSymbol}`);
|
||
/** -------------------- **/
|
||
|
||
if (shouldPromptConfirmation) {
|
||
await promptConfirmation();
|
||
}
|
||
|
||
try {
|
||
const response = await axios.post(
|
||
relayerURL + '/v1/tornadoWithdraw',
|
||
{
|
||
contract: tornadoInstance,
|
||
proof,
|
||
args
|
||
},
|
||
options
|
||
);
|
||
|
||
const { id } = response.data;
|
||
|
||
const result = await getStatus(id, relayerURL, options);
|
||
console.log('STATUS', result);
|
||
} catch (e) {
|
||
if (e.response) {
|
||
console.error(e.response.data.error);
|
||
} else {
|
||
console.error(e.message);
|
||
}
|
||
}
|
||
} else {
|
||
// using private key
|
||
|
||
// check if the address of recepient matches with the account of provided private key from environment to prevent accidental use of deposit address for withdrawal transaction.
|
||
assert(
|
||
recipient.toLowerCase() == senderAccount.toLowerCase(),
|
||
'Withdrawal recepient mismatches with the account of provided private key from environment file'
|
||
);
|
||
const checkBalance = await web3.eth.getBalance(senderAccount);
|
||
assert(checkBalance !== 0, 'You have 0 balance, make sure to fund account by withdrawing from tornado using relayer first');
|
||
|
||
const { proof, args } = await generateProof({ deposit, currency, amount, recipient, refund });
|
||
|
||
console.log('Submitting withdraw transaction');
|
||
await generateTransaction(
|
||
tornadoProxyAddress,
|
||
tornado.methods.withdraw(tornadoInstance, proof, ...args).encodeABI(),
|
||
toBN(args[5]),
|
||
'user_withdrawal'
|
||
);
|
||
}
|
||
if (currency === netSymbol.toLowerCase()) {
|
||
await printETHBalance({ address: recipient, name: 'Recipient' });
|
||
} else {
|
||
await printERC20Balance({ address: recipient, name: 'Recipient' });
|
||
}
|
||
console.log('Done withdrawal from Tornado Cash');
|
||
}
|
||
|
||
/**
|
||
* Do an ETH / ERC20 send
|
||
* @param address Recepient address
|
||
* @param amount Amount to send
|
||
* @param tokenAddress ERC20 token address
|
||
*/
|
||
async function send({ address, amount, tokenAddress }) {
|
||
// using private key
|
||
assert(senderAccount != null, 'Error! PRIVATE_KEY not found. Please provide PRIVATE_KEY in .env file if you send');
|
||
if (tokenAddress) {
|
||
const erc20ContractJson = require('./build/contracts/ERC20Mock.json');
|
||
erc20 = new web3.eth.Contract(erc20ContractJson.abi, tokenAddress);
|
||
let tokenBalance, tokenDecimals, tokenSymbol;
|
||
if (!isTestRPC && !multiCall) {
|
||
const callToken = await useMultiCall([
|
||
[tokenAddress, erc20.methods.balanceOf(senderAccount).encodeABI()],
|
||
[tokenAddress, erc20.methods.decimals().encodeABI()],
|
||
[tokenAddress, erc20.methods.symbol().encodeABI()]
|
||
]);
|
||
tokenBalance = new BigNumber(callToken[0]);
|
||
tokenDecimals = parseInt(callToken[1]);
|
||
tokenSymbol = web3.eth.abi.decodeParameter('string', callToken[2]);
|
||
} else {
|
||
tokenBalance = new BigNumber(await erc20.methods.balanceOf(senderAccount).call());
|
||
tokenDecimals = await erc20.methods.decimals().call();
|
||
tokenSymbol = await erc20.methods.symbol().call();
|
||
}
|
||
const toSend = new BigNumber(amount).times(BigNumber(10).pow(tokenDecimals));
|
||
if (tokenBalance.lt(toSend)) {
|
||
console.error(
|
||
'You have',
|
||
rmDecimalBN(tokenBalance.div(BigNumber(10).pow(tokenDecimals))),
|
||
tokenSymbol,
|
||
", you can't send more than you have"
|
||
);
|
||
process.exit(1);
|
||
}
|
||
const encodeTransfer = erc20.methods.transfer(address, toSend).encodeABI();
|
||
await generateTransaction(tokenAddress, encodeTransfer);
|
||
console.log('Sent', amount, tokenSymbol, 'to', address);
|
||
} else {
|
||
const balance = new BigNumber(await web3.eth.getBalance(senderAccount));
|
||
assert(balance.toNumber() !== 0, "You have 0 balance, can't send transaction");
|
||
if (amount) {
|
||
toSend = new BigNumber(amount).times(BigNumber(10).pow(18));
|
||
if (balance.lt(toSend)) {
|
||
console.error(
|
||
'You have',
|
||
rmDecimalBN(balance.div(BigNumber(10).pow(18))),
|
||
netSymbol + ", you can't send more than you have."
|
||
);
|
||
process.exit(1);
|
||
}
|
||
} else {
|
||
console.log('Amount not defined, sending all available amounts');
|
||
const gasPrice = new BigNumber(await feeOracle.getGasPrice('other'));
|
||
const gasLimit = new BigNumber(21000);
|
||
if (netId == 1) {
|
||
const priorityFee = new BigNumber(await gasPrices(3));
|
||
toSend = balance.minus(gasLimit.times(gasPrice.plus(priorityFee)));
|
||
} else {
|
||
toSend = balance.minus(gasLimit.times(gasPrice));
|
||
}
|
||
}
|
||
await generateTransaction(address, null, toSend);
|
||
console.log('Sent', rmDecimalBN(toSend.div(BigNumber(10).pow(18))), netSymbol, 'to', address);
|
||
}
|
||
}
|
||
|
||
function getStatus(id, relayerURL, options) {
|
||
return new Promise((resolve) => {
|
||
async function getRelayerStatus() {
|
||
const responseStatus = await axios.get(relayerURL + '/v1/jobs/' + id, options);
|
||
|
||
if (responseStatus.status === 200) {
|
||
const { txHash, status, confirmations, failedReason } = responseStatus.data;
|
||
|
||
console.log(`Current job status ${status}, confirmations: ${confirmations}`);
|
||
|
||
if (status === 'FAILED') {
|
||
throw new Error(status + ' failed reason:' + failedReason);
|
||
}
|
||
|
||
if (status === 'CONFIRMED') {
|
||
const receipt = await waitForTxReceipt({ txHash });
|
||
console.log(
|
||
`Transaction submitted through the relay. View transaction on block explorer https://${getExplorerLink()}/tx/${txHash}`
|
||
);
|
||
console.log('Transaction mined in block', receipt.blockNumber);
|
||
resolve(status);
|
||
}
|
||
}
|
||
|
||
setTimeout(() => {
|
||
getRelayerStatus(id, relayerURL);
|
||
}, 3000);
|
||
}
|
||
|
||
getRelayerStatus();
|
||
});
|
||
}
|
||
|
||
function capitalizeFirstLetter(string) {
|
||
return string.charAt(0).toUpperCase() + string.slice(1);
|
||
}
|
||
|
||
function fromDecimals({ amount, decimals }) {
|
||
amount = amount.toString();
|
||
let ether = amount.toString();
|
||
const base = new BN('10').pow(new BN(decimals));
|
||
const baseLength = base.toString(10).length - 1 || 1;
|
||
|
||
const negative = ether.substring(0, 1) === '-';
|
||
if (negative) {
|
||
ether = ether.substring(1);
|
||
}
|
||
|
||
if (ether === '.') {
|
||
throw new Error('[ethjs-unit] while converting number ' + amount + ' to wei, invalid value');
|
||
}
|
||
|
||
// Split it into a whole and fractional part
|
||
const comps = ether.split('.');
|
||
if (comps.length > 2) {
|
||
throw new Error('[ethjs-unit] while converting number ' + amount + ' to wei, too many decimal points');
|
||
}
|
||
|
||
let whole = comps[0];
|
||
let fraction = comps[1];
|
||
|
||
if (!whole) {
|
||
whole = '0';
|
||
}
|
||
if (!fraction) {
|
||
fraction = '0';
|
||
}
|
||
if (fraction.length > baseLength) {
|
||
throw new Error('[ethjs-unit] while converting number ' + amount + ' to wei, too many decimal places');
|
||
}
|
||
|
||
while (fraction.length < baseLength) {
|
||
fraction += '0';
|
||
}
|
||
|
||
whole = new BN(whole);
|
||
fraction = new BN(fraction);
|
||
let wei = whole.mul(base).add(fraction);
|
||
|
||
if (negative) {
|
||
wei = wei.mul(negative);
|
||
}
|
||
|
||
return new BN(wei.toString(10), 10);
|
||
}
|
||
|
||
function toDecimals(value, decimals, fixed) {
|
||
const zero = new BN(0);
|
||
const negative1 = new BN(-1);
|
||
decimals = decimals || 18;
|
||
fixed = fixed || 7;
|
||
|
||
value = new BN(value);
|
||
const negative = value.lt(zero);
|
||
const base = new BN('10').pow(new BN(decimals));
|
||
const baseLength = base.toString(10).length - 1 || 1;
|
||
|
||
if (negative) {
|
||
value = value.mul(negative1);
|
||
}
|
||
|
||
let fraction = value.mod(base).toString(10);
|
||
while (fraction.length < baseLength) {
|
||
fraction = `0${fraction}`;
|
||
}
|
||
fraction = fraction.match(/^([0-9]*[1-9]|0)(0*)/)[1];
|
||
|
||
const whole = value.div(base).toString(10);
|
||
value = `${whole}${fraction === '0' ? '' : `.${fraction}`}`;
|
||
|
||
if (negative) {
|
||
value = `-${value}`;
|
||
}
|
||
|
||
if (fixed) {
|
||
value = value.slice(0, fixed);
|
||
}
|
||
|
||
return value;
|
||
}
|
||
|
||
// List fetched from https://github.com/ethereum-lists/chains/blob/master/_data/chains
|
||
function getExplorerLink() {
|
||
switch (netId) {
|
||
case 56:
|
||
return 'bscscan.com';
|
||
case 100:
|
||
return 'blockscout.com/poa/xdai';
|
||
case 137:
|
||
return 'polygonscan.com';
|
||
case 42161:
|
||
return 'arbiscan.io';
|
||
case 43114:
|
||
return 'snowtrace.io';
|
||
case 5:
|
||
return 'goerli.etherscan.io';
|
||
case 42:
|
||
return 'kovan.etherscan.io';
|
||
case 10:
|
||
return 'optimistic.etherscan.io';
|
||
default:
|
||
return 'etherscan.io';
|
||
}
|
||
}
|
||
|
||
// List fetched from https://github.com/trustwallet/assets/tree/master/blockchains
|
||
function getCurrentNetworkName() {
|
||
switch (netId) {
|
||
case 1:
|
||
return 'Ethereum';
|
||
case 56:
|
||
return 'BinanceSmartChain';
|
||
case 100:
|
||
return 'GnosisChain';
|
||
case 137:
|
||
return 'Polygon';
|
||
case 42161:
|
||
return 'Arbitrum';
|
||
case 43114:
|
||
return 'Avalanche';
|
||
case 5:
|
||
return 'Goerli';
|
||
case 42:
|
||
return 'Kovan';
|
||
case 10:
|
||
return 'Optimism';
|
||
default:
|
||
return 'testRPC';
|
||
}
|
||
}
|
||
|
||
function getCurrentNetworkSymbol() {
|
||
switch (netId) {
|
||
case 56:
|
||
return 'BNB';
|
||
case 100:
|
||
return 'xDAI';
|
||
case 137:
|
||
return 'MATIC';
|
||
case 43114:
|
||
return 'AVAX';
|
||
default:
|
||
return 'ETH';
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Waits for transaction to be mined
|
||
* @param txHash Hash of transaction
|
||
* @param attempts
|
||
* @param delay
|
||
*/
|
||
function waitForTxReceipt({ txHash, attempts = 60, delay = 1000 }) {
|
||
return new Promise((resolve, reject) => {
|
||
const checkForTx = async (txHash, retryAttempt = 0) => {
|
||
const result = await web3.eth.getTransactionReceipt(txHash);
|
||
if (!result || !result.blockNumber) {
|
||
if (retryAttempt <= attempts) {
|
||
setTimeout(() => checkForTx(txHash, retryAttempt + 1), delay);
|
||
} else {
|
||
reject(new Error('tx was not mined'));
|
||
}
|
||
} else {
|
||
resolve(result);
|
||
}
|
||
};
|
||
checkForTx(txHash);
|
||
});
|
||
}
|
||
|
||
function initJson(file) {
|
||
return new Promise((resolve, reject) => {
|
||
fs.readFile(file, 'utf8', (error, data) => {
|
||
if (error) {
|
||
resolve([]);
|
||
}
|
||
try {
|
||
resolve(JSON.parse(data));
|
||
} catch (error) {
|
||
resolve([]);
|
||
}
|
||
});
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Erase all zero events from events tree array
|
||
* @param events Events tree array
|
||
*/
|
||
function filterZeroEvents(events) {
|
||
return events.filter((event) => event.transactionHash !== null);
|
||
}
|
||
|
||
function loadCachedEvents({ type, currency, amount }) {
|
||
try {
|
||
const module = require(`./cache/${netName.toLowerCase()}/${type}s_${currency.toLowerCase()}_${amount}.json`);
|
||
|
||
if (module) {
|
||
const events = module;
|
||
|
||
return {
|
||
events: filterZeroEvents(events),
|
||
lastBlock: events[events.length - 1].blockNumber
|
||
};
|
||
}
|
||
} catch (err) {
|
||
console.log('Error fetching cached files, syncing from block', deployedBlockNumber);
|
||
return {
|
||
events: [],
|
||
lastBlock: deployedBlockNumber
|
||
};
|
||
}
|
||
}
|
||
|
||
async function fetchEvents({ type, currency, amount, filterEvents }) {
|
||
if (type === 'withdraw') {
|
||
type = 'withdrawal';
|
||
}
|
||
if (filterEvents === undefined) filterEvents = true;
|
||
|
||
const cachedEvents = loadCachedEvents({ type, currency, amount });
|
||
const startBlock = cachedEvents.lastBlock + 1;
|
||
|
||
console.log('Loaded cached', amount, currency.toUpperCase(), type, 'events for', startBlock, 'block');
|
||
console.log('Fetching', amount, currency.toUpperCase(), type, 'events for', netName, 'network');
|
||
|
||
async function updateCache(fetchedEvents) {
|
||
if (type === 'deposit') fetchedEvents.sort((firstLeaf, secondLeaf) => firstLeaf.leafIndex - secondLeaf.leafIndex);
|
||
|
||
try {
|
||
const fileName = `./cache/${netName.toLowerCase()}/${type}s_${currency.toLowerCase()}_${amount}.json`;
|
||
const localEvents = await initJson(fileName);
|
||
const events = filterZeroEvents(localEvents).concat(fetchedEvents);
|
||
fs.writeFileSync(fileName, JSON.stringify(events, null, 2), 'utf8');
|
||
} catch (error) {
|
||
throw new Error('Writing cache file failed:', error);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Adds an zero (empty) event to the end of the events list
|
||
* If tornado transactions on the selected currency/amount are rare and the last one was much earlier than the current block,
|
||
* it helps to quickly synchronize the events tree
|
||
* @param {number} blockNumber Latest block number on selected chain
|
||
*/
|
||
async function addZeroEvent(blockNumber) {
|
||
const zeroEvent = { blockNumber, transactionHash: null };
|
||
await updateCache([zeroEvent]);
|
||
|
||
console.log('Added', amount, currency.toUpperCase(), type, 'zero event to block:', blockNumber);
|
||
}
|
||
|
||
async function syncEvents() {
|
||
try {
|
||
let targetBlock = await web3.eth.getBlockNumber();
|
||
let chunks = 10000;
|
||
console.log('Querying latest events from RPC');
|
||
|
||
for (let i = startBlock; i < targetBlock; i += chunks) {
|
||
let fetchedEvents = [];
|
||
|
||
function mapDepositEvents() {
|
||
fetchedEvents = fetchedEvents.map(({ blockNumber, transactionHash, returnValues }) => {
|
||
const { commitment, leafIndex, timestamp } = returnValues;
|
||
return {
|
||
blockNumber,
|
||
transactionHash,
|
||
commitment,
|
||
leafIndex: Number(leafIndex),
|
||
timestamp
|
||
};
|
||
});
|
||
}
|
||
|
||
function mapWithdrawEvents() {
|
||
fetchedEvents = fetchedEvents.map(({ blockNumber, transactionHash, returnValues }) => {
|
||
const { nullifierHash, to, fee } = returnValues;
|
||
return {
|
||
blockNumber,
|
||
transactionHash,
|
||
nullifierHash,
|
||
to,
|
||
fee
|
||
};
|
||
});
|
||
}
|
||
|
||
function mapLatestEvents() {
|
||
if (type === 'deposit') {
|
||
mapDepositEvents();
|
||
} else {
|
||
mapWithdrawEvents();
|
||
}
|
||
}
|
||
|
||
async function fetchWeb3Events(i) {
|
||
let j;
|
||
if (i + chunks - 1 > targetBlock) {
|
||
j = targetBlock;
|
||
} else {
|
||
j = i + chunks - 1;
|
||
}
|
||
await tornadoContract
|
||
.getPastEvents(capitalizeFirstLetter(type), {
|
||
fromBlock: i,
|
||
toBlock: j
|
||
})
|
||
.then(
|
||
(r) => {
|
||
fetchedEvents = fetchedEvents.concat(r);
|
||
console.log('Fetched', amount, currency.toUpperCase(), type, 'events to block:', j);
|
||
},
|
||
(err) => {
|
||
console.error(i + ' failed fetching', type, 'events from node', err);
|
||
process.exit(1);
|
||
}
|
||
)
|
||
.catch(console.log);
|
||
|
||
mapLatestEvents();
|
||
}
|
||
|
||
await fetchWeb3Events(i);
|
||
await updateCache(fetchedEvents);
|
||
}
|
||
} catch (error) {
|
||
console.log(error);
|
||
throw new Error('Error while updating cache');
|
||
}
|
||
}
|
||
|
||
async function syncGraphEvents() {
|
||
let options = {};
|
||
if (torPort) {
|
||
options = {
|
||
httpsAgent: new SocksProxyAgent('socks5h://127.0.0.1:' + torPort),
|
||
headers: { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0' }
|
||
};
|
||
}
|
||
|
||
async function queryLatestTimestamp() {
|
||
try {
|
||
const variables = {
|
||
currency: currency.toString().toLowerCase(),
|
||
amount: amount.toString().toLowerCase()
|
||
};
|
||
console.log(variables);
|
||
if (type === 'deposit') {
|
||
const query = {
|
||
query: `
|
||
query($currency: String, $amount: String){
|
||
deposits(first: 1, orderBy: timestamp, orderDirection: desc, where: {currency: $currency, amount: $amount}) {
|
||
timestamp
|
||
}
|
||
}
|
||
`,
|
||
variables
|
||
};
|
||
const querySubgraph = await axios.post(subgraph, query, options);
|
||
const queryResult = querySubgraph.data.data.deposits;
|
||
const result = queryResult[0].timestamp;
|
||
return Number(result);
|
||
} else {
|
||
const query = {
|
||
query: `
|
||
query($currency: String, $amount: String){
|
||
withdrawals(first: 1, orderBy: timestamp, orderDirection: desc, where: {currency: $currency, amount: $amount}) {
|
||
timestamp
|
||
}
|
||
}
|
||
`,
|
||
variables
|
||
};
|
||
const querySubgraph = await axios.post(subgraph, query, options);
|
||
const queryResult = querySubgraph.data.data.withdrawals;
|
||
const result = queryResult[0].timestamp;
|
||
return Number(result);
|
||
}
|
||
} catch (error) {
|
||
console.log(error);
|
||
console.error('Failed to fetch latest event from subgraph');
|
||
}
|
||
}
|
||
|
||
async function queryFromGraph(timestamp) {
|
||
try {
|
||
const variables = {
|
||
currency: currency.toString().toLowerCase(),
|
||
amount: amount.toString().toLowerCase(),
|
||
timestamp: timestamp
|
||
};
|
||
if (type === 'deposit') {
|
||
console.log(variables);
|
||
const query = {
|
||
query: `
|
||
query($currency: String, $amount: String, $timestamp: Int){
|
||
deposits(orderBy: timestamp, first: 1000, where: {currency: $currency, amount: $amount, timestamp_gt: $timestamp}) {
|
||
blockNumber
|
||
transactionHash
|
||
commitment
|
||
index
|
||
timestamp
|
||
}
|
||
}
|
||
`,
|
||
variables
|
||
};
|
||
const querySubgraph = await axios.post(subgraph, query, options);
|
||
const queryResult = querySubgraph.data.data.deposits;
|
||
const mapResult = queryResult.map(({ blockNumber, transactionHash, commitment, index, timestamp }) => {
|
||
return {
|
||
blockNumber: Number(blockNumber),
|
||
transactionHash,
|
||
commitment,
|
||
leafIndex: Number(index),
|
||
timestamp: Number(timestamp)
|
||
};
|
||
});
|
||
return mapResult;
|
||
} else {
|
||
const query = {
|
||
query: `
|
||
query($currency: String, $amount: String, $timestamp: Int){
|
||
withdrawals(orderBy: timestamp, first: 1000, where: {currency: $currency, amount: $amount, timestamp_gt: $timestamp}) {
|
||
blockNumber
|
||
transactionHash
|
||
nullifier
|
||
to
|
||
fee
|
||
}
|
||
}
|
||
`,
|
||
variables
|
||
};
|
||
const querySubgraph = await axios.post(subgraph, query, options);
|
||
const queryResult = querySubgraph.data.data.withdrawals;
|
||
const mapResult = queryResult.map(({ blockNumber, transactionHash, nullifier, to, fee }) => {
|
||
return {
|
||
blockNumber: Number(blockNumber),
|
||
transactionHash,
|
||
nullifierHash: nullifier,
|
||
to,
|
||
fee
|
||
};
|
||
});
|
||
return mapResult;
|
||
}
|
||
} catch (error) {
|
||
console.error(error);
|
||
}
|
||
}
|
||
|
||
async function fetchGraphEvents() {
|
||
console.log('Querying latest events from subgraph');
|
||
const latestTimestamp = await queryLatestTimestamp();
|
||
if (latestTimestamp) {
|
||
const getCachedBlock = await web3.eth.getBlock(startBlock);
|
||
const cachedTimestamp = getCachedBlock.timestamp;
|
||
for (let i = cachedTimestamp; i < latestTimestamp; ) {
|
||
const result = await queryFromGraph(i);
|
||
if (Object.keys(result).length === 0) {
|
||
i = latestTimestamp;
|
||
} else {
|
||
if (type === 'deposit') {
|
||
const resultBlock = result[result.length - 1].blockNumber;
|
||
const resultTimestamp = result[result.length - 1].timestamp;
|
||
await updateCache(result);
|
||
i = resultTimestamp;
|
||
console.log('Fetched', amount, currency.toUpperCase(), type, 'events to block:', Number(resultBlock));
|
||
} else {
|
||
const resultBlock = result[result.length - 1].blockNumber;
|
||
const getResultBlock = await web3.eth.getBlock(resultBlock);
|
||
const resultTimestamp = getResultBlock.timestamp;
|
||
await updateCache(result);
|
||
i = resultTimestamp;
|
||
console.log('Fetched', amount, currency.toUpperCase(), type, 'events to block:', Number(resultBlock));
|
||
}
|
||
}
|
||
}
|
||
} else {
|
||
console.log('Fallback to web3 events');
|
||
await syncEvents();
|
||
}
|
||
}
|
||
await fetchGraphEvents();
|
||
}
|
||
if (!privateRpc && !subgraph && !isTestRPC) {
|
||
await syncGraphEvents();
|
||
} else {
|
||
await syncEvents();
|
||
}
|
||
await addZeroEvent(await web3.eth.getBlockNumber());
|
||
|
||
async function loadUpdatedEvents() {
|
||
// Don't use loadCachedEvents function, because we need to check zero event block (to which block we updated)
|
||
const fileName = `./cache/${netName.toLowerCase()}/${type}s_${currency.toLowerCase()}_${amount}.json`;
|
||
const updatedEvents = await initJson(fileName);
|
||
const updatedBlock = updatedEvents[updatedEvents.length - 1].blockNumber;
|
||
console.log('Cache updated for Tornado', type, amount, currency, 'instance to block', updatedBlock, 'successfully');
|
||
console.log(`Total ${type}s:`, updatedEvents.length - 1);
|
||
return updatedEvents;
|
||
}
|
||
const events = await loadUpdatedEvents();
|
||
return filterEvents ? filterZeroEvents(events) : events;
|
||
}
|
||
|
||
/**
|
||
* Parses Tornado.cash note
|
||
* @param noteString the note
|
||
*/
|
||
function parseNote(noteString) {
|
||
const noteRegex = /tornado-(?<currency>\w+)-(?<amount>[\d.]+)-(?<netId>\d+)-0x(?<note>[0-9a-fA-F]{124})/g;
|
||
const match = noteRegex.exec(noteString);
|
||
if (!match) {
|
||
throw new Error('The note has invalid format');
|
||
}
|
||
|
||
const buf = Buffer.from(match.groups.note, 'hex');
|
||
const nullifier = bigInt.leBuff2int(buf.slice(0, 31));
|
||
const secret = bigInt.leBuff2int(buf.slice(31, 62));
|
||
const deposit = createDeposit({ nullifier, secret });
|
||
const netId = Number(match.groups.netId);
|
||
|
||
return {
|
||
currency: match.groups.currency,
|
||
amount: match.groups.amount,
|
||
netId,
|
||
deposit
|
||
};
|
||
}
|
||
|
||
/**
|
||
* Parses Tornado.cash deposit invoice
|
||
* @param invoiceString the note
|
||
*/
|
||
function parseInvoice(invoiceString) {
|
||
const noteRegex = /tornadoInvoice-(?<currency>\w+)-(?<amount>[\d.]+)-(?<netId>\d+)-0x(?<commitmentNote>[0-9a-fA-F]{64})/g;
|
||
const match = noteRegex.exec(invoiceString);
|
||
if (!match) {
|
||
throw new Error('The note has invalid format');
|
||
}
|
||
|
||
const netId = Number(match.groups.netId);
|
||
const buf = Buffer.from(match.groups.commitmentNote, 'hex');
|
||
const commitmentNote = toHex(buf.slice(0, 32));
|
||
|
||
return {
|
||
currency: match.groups.currency,
|
||
amount: match.groups.amount,
|
||
netId,
|
||
commitmentNote
|
||
};
|
||
}
|
||
|
||
async function loadDepositData({ amount, currency, deposit }) {
|
||
try {
|
||
const cachedEvents = await fetchEvents({ type: 'deposit', currency, amount });
|
||
const eventWhenHappened = await cachedEvents.filter(function (event) {
|
||
return event.commitment === deposit.commitmentHex;
|
||
})[0];
|
||
|
||
if (eventWhenHappened.length === 0) {
|
||
throw new Error('There is no related deposit, the note is invalid');
|
||
}
|
||
|
||
const timestamp = eventWhenHappened.timestamp;
|
||
const txHash = eventWhenHappened.transactionHash;
|
||
const isSpent = await tornadoContract.methods.isSpent(deposit.nullifierHex).call();
|
||
const receipt = await web3.eth.getTransactionReceipt(txHash);
|
||
|
||
return {
|
||
timestamp,
|
||
txHash,
|
||
isSpent,
|
||
from: receipt.from,
|
||
commitment: deposit.commitmentHex
|
||
};
|
||
} catch (e) {
|
||
console.error('loadDepositData', e);
|
||
}
|
||
return {};
|
||
}
|
||
async function loadWithdrawalData({ amount, currency, deposit }) {
|
||
try {
|
||
const cachedEvents = await fetchEvents({ type: 'withdrawal', currency, amount });
|
||
|
||
const withdrawEvent = cachedEvents.filter((event) => {
|
||
return event.nullifierHash === deposit.nullifierHex;
|
||
})[0];
|
||
|
||
if (!withdrawEvent) return null;
|
||
|
||
const fee = withdrawEvent.fee;
|
||
const decimals = config.deployments[`netId${netId}`]['tokens'][currency].decimals;
|
||
const withdrawalAmount = toBN(fromDecimals({ amount, decimals })).sub(toBN(fee));
|
||
const { timestamp } = await web3.eth.getBlock(withdrawEvent.blockNumber);
|
||
return {
|
||
amount: toDecimals(withdrawalAmount, decimals, 9),
|
||
txHash: withdrawEvent.transactionHash,
|
||
to: withdrawEvent.to,
|
||
timestamp,
|
||
nullifier: deposit.nullifierHex,
|
||
fee: toDecimals(fee, decimals, 9)
|
||
};
|
||
} catch (e) {
|
||
console.error('loadWithdrawalData', e);
|
||
}
|
||
}
|
||
|
||
function statePreferences(program) {
|
||
const isPref = gasSpeedPreferences.includes(program.gas_speed);
|
||
|
||
if (program.gas_speed && !isPref) {
|
||
throw new Error('Invalid gas speed preference');
|
||
} else if (program.gas_speed) {
|
||
preferenceSpeed = program.gas_speed;
|
||
}
|
||
|
||
if (program.noconfirmation) {
|
||
shouldPromptConfirmation = false;
|
||
}
|
||
if (program.onlyRpc) {
|
||
privateRpc = true;
|
||
}
|
||
if (program.tor) {
|
||
torPort = program.tor;
|
||
}
|
||
}
|
||
|
||
async function promptConfirmation() {
|
||
const query = 'Confirm the transaction [Y/n] ';
|
||
const confirmation = await new Promise((resolve) => prompt.question(query, resolve));
|
||
|
||
if (confirmation.toUpperCase() !== 'Y') {
|
||
throw new Error('Transaction rejected');
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Init web3, contracts, and snark
|
||
*/
|
||
async function init({ rpc, noteNetId, currency = 'dai', amount = '100', balanceCheck, localMode, privateKey }) {
|
||
let contractJson, instanceJson, erc20ContractJson, erc20tornadoJson, tokenAddress;
|
||
let ipOptions = {};
|
||
|
||
if (noteNetId && !rpc) rpc = config.deployments[`netId${noteNetId}`].defaultRpc;
|
||
|
||
if (torPort && rpc.startsWith('https')) {
|
||
console.log('Using tor network');
|
||
web3Options = { agent: { https: new SocksProxyAgent('socks5h://127.0.0.1:' + torPort) }, timeout: 60000 };
|
||
// Use forked web3-providers-http from local file to modify user-agent header value which improves privacy.
|
||
web3 = new Web3(new Web3HttpProvider(rpc, web3Options), null, { transactionConfirmationBlocks: 1 });
|
||
ipOptions = {
|
||
httpsAgent: new SocksProxyAgent('socks5h://127.0.0.1:' + torPort),
|
||
headers: { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0' }
|
||
};
|
||
} else if (torPort && rpc.startsWith('http')) {
|
||
console.log('Using tor network');
|
||
web3Options = { agent: { http: new SocksProxyAgent('socks5h://127.0.0.1:' + torPort) }, timeout: 60000 };
|
||
// Use forked web3-providers-http from local file to modify user-agent header value which improves privacy.
|
||
web3 = new Web3(new Web3HttpProvider(rpc, web3Options), null, { transactionConfirmationBlocks: 1 });
|
||
ipOptions = {
|
||
httpsAgent: new SocksProxyAgent('socks5h://127.0.0.1:' + torPort),
|
||
headers: { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0' }
|
||
};
|
||
} else if (rpc.includes('ipc')) {
|
||
console.log('Using ipc connection');
|
||
web3 = new Web3(new Web3.providers.IpcProvider(rpc, net), null, { transactionConfirmationBlocks: 1 });
|
||
} else if (rpc.startsWith('ws') || rpc.startsWith('wss')) {
|
||
console.log('Using websocket connection (Note: Tor is not supported for Websocket providers)');
|
||
web3Options = {
|
||
clientConfig: { keepalive: true, keepaliveInterval: -1 },
|
||
reconnect: { auto: true, delay: 1000, maxAttempts: 10, onTimeout: false }
|
||
};
|
||
web3 = new Web3(new Web3.providers.WebsocketProvider(rpc, web3Options), net, { transactionConfirmationBlocks: 1 });
|
||
} else {
|
||
console.log('Connecting to remote node');
|
||
web3 = new Web3(rpc, null, { transactionConfirmationBlocks: 1 });
|
||
}
|
||
|
||
const rpcHost = new URL(rpc).hostname;
|
||
const isIpPrivate = is_ip_private(rpcHost);
|
||
|
||
if (!isIpPrivate && !rpc.includes('localhost') && !privateRpc) {
|
||
try {
|
||
const htmlIPInfo = await axios.get('https://check.torproject.org', ipOptions);
|
||
const ip = htmlIPInfo.data.split('Your IP address appears to be: <strong>').pop().split('</')[0];
|
||
console.log('Your remote IP address is', ip);
|
||
} catch (error) {
|
||
console.error('Could not fetch remote IP from check.torproject.org, use VPN if the problem repeats.');
|
||
}
|
||
} else if (isIpPrivate || rpc.includes('localhost')) {
|
||
console.log('Local RPC detected');
|
||
privateRpc = true;
|
||
}
|
||
|
||
contractJson = require('./build/contracts/TornadoProxy.abi.json');
|
||
instanceJson = require('./build/contracts/Instance.abi.json');
|
||
circuit = require('./build/circuits/tornado.json');
|
||
provingKey = fs.readFileSync('build/circuits/tornadoProvingKey.bin').buffer;
|
||
MERKLE_TREE_HEIGHT = process.env.MERKLE_TREE_HEIGHT || 20;
|
||
ETH_AMOUNT = process.env.ETH_AMOUNT;
|
||
TOKEN_AMOUNT = process.env.TOKEN_AMOUNT;
|
||
const privKey = privateKey || process.env.PRIVATE_KEY;
|
||
|
||
if (privKey) {
|
||
if (privKey.startsWith('0x')) {
|
||
PRIVATE_KEY = privKey.substring(2);
|
||
} else {
|
||
PRIVATE_KEY = privKey;
|
||
}
|
||
}
|
||
if (PRIVATE_KEY) {
|
||
const account = web3.eth.accounts.privateKeyToAccount('0x' + PRIVATE_KEY);
|
||
web3.eth.accounts.wallet.add('0x' + PRIVATE_KEY);
|
||
web3.eth.defaultAccount = account.address;
|
||
senderAccount = account.address;
|
||
}
|
||
|
||
erc20ContractJson = require('./build/contracts/ERC20Mock.json');
|
||
erc20tornadoJson = require('./build/contracts/ERC20Tornado.json');
|
||
// groth16 initialises a lot of Promises that will never be resolved, that's why we need to use process.exit to terminate the CLI
|
||
groth16 = await buildGroth16();
|
||
netId = await web3.eth.net.getId();
|
||
netName = getCurrentNetworkName();
|
||
netSymbol = getCurrentNetworkSymbol();
|
||
feeOracle = Number(netId) === 1 ? new TornadoFeeOracleV4(netId, rpc) : new TornadoFeeOracleV5(netId, rpc);
|
||
|
||
if (noteNetId && Number(noteNetId) !== netId) {
|
||
throw new Error('This note is for a different network. Specify the --rpc option explicitly');
|
||
}
|
||
if (netName === 'testRPC') {
|
||
isTestRPC = true;
|
||
}
|
||
if (localMode) {
|
||
console.log('Local mode detected: will not submit signed TX to remote node');
|
||
doNotSubmitTx = true;
|
||
}
|
||
|
||
if (isTestRPC) {
|
||
tornadoProxyAddress =
|
||
currency === netSymbol.toLowerCase() ? contractJson.networks[netId].address : erc20tornadoJson.networks[netId].address;
|
||
tokenAddress = currency !== netSymbol.toLowerCase() ? erc20ContractJson.networks[netId].address : null;
|
||
deployedBlockNumber = 0;
|
||
senderAccount = (await web3.eth.getAccounts())[0];
|
||
} else {
|
||
try {
|
||
if (balanceCheck) {
|
||
currency = netSymbol.toLowerCase();
|
||
amount = Object.keys(config.deployments[`netId${netId}`][currency].instanceAddress)[0];
|
||
}
|
||
tornadoProxyAddress = config.deployments[`netId${netId}`].proxy;
|
||
multiCall = config.deployments[`netId${netId}`].multicall;
|
||
subgraph = config.deployments[`netId${netId}`].subgraph;
|
||
tornadoInstance = config.deployments[`netId${netId}`]['tokens'][currency].instanceAddress[amount];
|
||
deployedBlockNumber = config.deployments[`netId${netId}`]['tokens'][currency].deployedBlockNumber[amount];
|
||
|
||
if (!tornadoProxyAddress) {
|
||
throw new Error();
|
||
}
|
||
tokenAddress =
|
||
currency !== netSymbol.toLowerCase() ? config.deployments[`netId${netId}`]['tokens'][currency].tokenAddress : null;
|
||
} catch (e) {
|
||
console.error('There is no such tornado instance, check the currency and amount you provide', e);
|
||
process.exit(1);
|
||
}
|
||
}
|
||
tornado = new web3.eth.Contract(contractJson, tornadoProxyAddress);
|
||
tornadoContract = new web3.eth.Contract(instanceJson, tornadoInstance);
|
||
erc20 = currency !== netSymbol.toLowerCase() ? new web3.eth.Contract(erc20ContractJson.abi, tokenAddress) : {};
|
||
erc20Address = tokenAddress;
|
||
}
|
||
|
||
async function main() {
|
||
program
|
||
.option('-r, --rpc <URL>', 'The RPC that CLI should interact with')
|
||
.option('-R, --relayer <URL>', 'Withdraw via relayer')
|
||
.option('-T, --tor <PORT>', 'Optional tor port')
|
||
.option('-p, --private-key <KEY>', "Wallet private key - If you didn't add it to .env file and it is needed for operation")
|
||
.option('-S --gas-speed <SPEED>', 'Gas speed preference [ instant, fast, standard, low ]')
|
||
.option('-N --noconfirmation', 'No confirmation mode - Does not query confirmation ')
|
||
.option('-L, --local-rpc', 'Local node mode - Does not submit signed transaction to the node')
|
||
.option('-o, --only-rpc', 'Only rpc mode - Does not enable thegraph api nor remote ip detection');
|
||
program
|
||
.command('createNote <currency> <amount> <chainId>')
|
||
.description(
|
||
'Create deposit note and invoice, allows generating private key like deposit notes from secure, offline environment. The currency is one of (ETH|DAI|cDAI|USDC|cUSDC|USDT). The amount depends on currency, see config.js file or visit https://tornado.cash.'
|
||
)
|
||
.action(async (currency, amount, chainId) => {
|
||
currency = currency.toLowerCase();
|
||
await createInvoice({ currency, amount, chainId });
|
||
});
|
||
program
|
||
.command('depositInvoice <invoice>')
|
||
.description('Submit a deposit of invoice from default eth account and return the resulting note.')
|
||
.action(async (invoice) => {
|
||
statePreferences(program);
|
||
|
||
const { currency, amount, netId, commitmentNote } = parseInvoice(invoice);
|
||
await init({
|
||
rpc: program.rpc,
|
||
currency,
|
||
amount,
|
||
localMode: program.localRpc,
|
||
privateKey: program.privateKey,
|
||
noteNetId: netId
|
||
});
|
||
console.log('Creating', currency.toUpperCase(), amount, 'deposit for', netName, 'Tornado Cash Instance');
|
||
await deposit({ currency, amount, commitmentNote });
|
||
});
|
||
program
|
||
.command('deposit <currency> <amount>')
|
||
.description(
|
||
'Submit a deposit of specified currency and amount from default eth account and return the resulting note. The currency is one of (ETH|DAI|cDAI|USDC|cUSDC|USDT). The amount depends on currency, see config.js file or visit https://tornado.cash.'
|
||
)
|
||
.action(async (currency, amount) => {
|
||
currency = currency.toLowerCase();
|
||
|
||
statePreferences(program);
|
||
|
||
await init({ rpc: program.rpc, currency, amount, localMode: program.localRpc, privateKey: program.privateKey });
|
||
await deposit({ currency, amount });
|
||
});
|
||
program
|
||
.command('withdraw <note> <recipient> [ETH_purchase]')
|
||
.description(
|
||
'Withdraw a note to a recipient account using relayer or specified private key. You can exchange some of your deposit`s tokens to ETH during the withdrawal by specifing ETH_purchase (e.g. 0.01) to pay for gas in future transactions. Also see the --relayer option.'
|
||
)
|
||
.action(async (noteString, recipient, refund) => {
|
||
statePreferences(program);
|
||
|
||
const { currency, amount, netId, deposit } = parseNote(noteString);
|
||
userAction = 'withdrawal';
|
||
|
||
await init({
|
||
rpc: program.rpc,
|
||
noteNetId: netId,
|
||
currency,
|
||
amount,
|
||
localMode: program.localRpc,
|
||
privateKey: program.privateKey
|
||
});
|
||
await withdraw({
|
||
deposit,
|
||
currency,
|
||
amount,
|
||
recipient,
|
||
refund,
|
||
relayerURL: program.relayer
|
||
});
|
||
});
|
||
program
|
||
.command('balance [address] [token_address]')
|
||
.description('Check ETH and ERC20 balance')
|
||
.action(async (address, tokenAddress) => {
|
||
statePreferences(program);
|
||
|
||
await init({ rpc: program.rpc, balanceCheck: true });
|
||
if (!address && senderAccount) {
|
||
console.log('Using address', senderAccount, 'from private key');
|
||
address = senderAccount;
|
||
}
|
||
await printETHBalance({ address, name: 'Account' });
|
||
if (tokenAddress) {
|
||
await printERC20Balance({ address, name: 'Account', tokenAddress });
|
||
}
|
||
});
|
||
program
|
||
.command('send <address> [amount] [token_address]')
|
||
.description('Send ETH or ERC to address')
|
||
.action(async (address, amount, tokenAddress) => {
|
||
statePreferences(program);
|
||
|
||
await init({ rpc: program.rpc, balanceCheck: true, localMode: program.localRpc, privateKey: program.privateKey });
|
||
await send({ address, amount, tokenAddress });
|
||
});
|
||
program
|
||
.command('broadcast <signedTX>')
|
||
.description('Submit signed TX to the remote node')
|
||
.action(async (signedTX) => {
|
||
statePreferences(program);
|
||
|
||
await init({ rpc: program.rpc, balanceCheck: true });
|
||
await submitTransaction(signedTX);
|
||
});
|
||
program
|
||
.command('compliance <note>')
|
||
.description(
|
||
'Shows the deposit and withdrawal of the provided note. This might be necessary to show the origin of assets held in your withdrawal address.'
|
||
)
|
||
.action(async (noteString) => {
|
||
statePreferences(program);
|
||
|
||
const { currency, amount, netId, deposit } = parseNote(noteString);
|
||
|
||
await init({ rpc: program.rpc, noteNetId: netId, currency, amount });
|
||
|
||
const depositInfo = await loadDepositData({ amount, currency, deposit });
|
||
const withdrawInfo = await loadWithdrawalData({ amount, currency, deposit });
|
||
|
||
const depositDate = new Date(depositInfo.timestamp * 1000);
|
||
console.log('\n=============Deposit=================');
|
||
console.log('Deposit :', amount, currency.toUpperCase());
|
||
console.log('Date :', depositDate.toLocaleDateString(), depositDate.toLocaleTimeString());
|
||
console.log('From :', `https://${getExplorerLink()}/address/${depositInfo.from}`);
|
||
console.log('Transaction :', `https://${getExplorerLink()}/tx/${depositInfo.txHash}`);
|
||
console.log('Commitment :', depositInfo.commitment);
|
||
console.log('Spent :', depositInfo.isSpent);
|
||
console.log('=====================================', '\n');
|
||
|
||
if (!depositInfo.isSpent) {
|
||
console.log('The note was not spent!');
|
||
return;
|
||
}
|
||
|
||
const withdrawalDate = new Date(withdrawInfo.timestamp * 1000);
|
||
console.log('\n=============Withdrawal==============');
|
||
console.log('Withdrawal :', withdrawInfo.amount, currency);
|
||
console.log('Relayer Fee :', withdrawInfo.fee, currency);
|
||
console.log('Date :', withdrawalDate.toLocaleDateString(), withdrawalDate.toLocaleTimeString());
|
||
console.log('To :', `https://${getExplorerLink()}/address/${withdrawInfo.to}`);
|
||
console.log('Transaction :', `https://${getExplorerLink()}/tx/${withdrawInfo.txHash}`);
|
||
console.log('Nullifier :', withdrawInfo.nullifier);
|
||
console.log('=====================================', '\n');
|
||
});
|
||
program
|
||
.command('syncEvents <type> <currency> <amount>')
|
||
.description('Sync the local cache file of deposit / withdrawal events for specific currency.')
|
||
.action(async (type, currency, amount) => {
|
||
currency = currency.toLowerCase();
|
||
|
||
statePreferences(program);
|
||
console.log('Starting event sync command');
|
||
|
||
await init({ rpc: program.rpc, type, currency, amount });
|
||
const cachedEvents = await fetchEvents({ type, currency, amount, filterEvents: false });
|
||
console.log(
|
||
'Synced event for',
|
||
type,
|
||
amount,
|
||
currency.toUpperCase(),
|
||
netName,
|
||
'Tornado instance to block',
|
||
cachedEvents[cachedEvents.length - 1].blockNumber
|
||
);
|
||
});
|
||
program
|
||
.command('checkCacheValidity <currency> <amount>')
|
||
.description('Check cache file of deposit events for specific currency for validity of the root.')
|
||
.action(async (currency, amount) => {
|
||
statePreferences(program);
|
||
|
||
const type = 'deposit';
|
||
|
||
await init({ rpc: program.rpc, type, currency: currency.toLowerCase(), amount });
|
||
const depositCachedEvents = await fetchEvents({ type, currency, amount });
|
||
const isValidRoot = await isRootValid(depositCachedEvents);
|
||
|
||
console.log(
|
||
'\nDeposit events tree for',
|
||
amount,
|
||
currency.toUpperCase(),
|
||
'on',
|
||
netName,
|
||
'chain',
|
||
isValidRoot ? 'has valid root' : 'is invalid, unknown root. You need to reset cache to zero array or to latest git state'
|
||
);
|
||
});
|
||
program.command('parseNote <note>').action(async (noteString) => {
|
||
const parse = parseNote(noteString);
|
||
|
||
netId = parse.netId;
|
||
netName = getCurrentNetworkName();
|
||
|
||
console.log('\n=============Note=================');
|
||
console.log('Network:', netName);
|
||
console.log('Denomination:', parse.amount, parse.currency.toUpperCase());
|
||
console.log('Commitment: ', parse.deposit.commitmentHex);
|
||
console.log('Nullifier Hash: ', parse.deposit.nullifierHex);
|
||
console.log('=====================================', '\n');
|
||
});
|
||
program
|
||
.command('test')
|
||
.description('Perform an automated test. It deposits and withdraws one ETH and one ERC20 note. Uses ganache.')
|
||
.action(async () => {
|
||
privateRpc = true;
|
||
console.log('Start performing ETH deposit-withdraw test');
|
||
let currency = 'eth';
|
||
let amount = '0.1';
|
||
await init({ rpc: program.rpc, currency, amount, privateKey: program.privateKey });
|
||
let noteString = await deposit({ currency, amount });
|
||
let parsedNote = parseNote(noteString);
|
||
await withdraw({
|
||
deposit: parsedNote.deposit,
|
||
currency,
|
||
amount,
|
||
recipient: senderAccount,
|
||
relayerURL: program.relayer
|
||
});
|
||
|
||
console.log('\nStart performing DAI deposit-withdraw test');
|
||
currency = 'dai';
|
||
amount = '100';
|
||
await init({ rpc: program.rpc, currency, amount });
|
||
noteString = await deposit({ currency, amount });
|
||
parsedNote = parseNote(noteString);
|
||
await withdraw({
|
||
deposit: parsedNote.deposit,
|
||
currency,
|
||
amount,
|
||
recipient: senderAccount,
|
||
refund: '0.02',
|
||
relayerURL: program.relayer
|
||
});
|
||
});
|
||
try {
|
||
await program.parseAsync(process.argv);
|
||
process.exit(0);
|
||
} catch (e) {
|
||
console.log('Error:', e);
|
||
process.exit(1);
|
||
}
|
||
}
|
||
|
||
main();
|