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relay code style

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poma 2019-07-16 19:34:34 +03:00
parent a60d539a2c
commit ca9724bcf9
1 changed files with 21 additions and 24 deletions
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45
relay/relay.js
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@ -1,44 +1,41 @@
let bigInt = require('snarkjs/src/bigint'); let bigInt = require('snarkjs/src/bigint')
require('dotenv').config(); const express = require('express')
const { AMOUNT, MERKLE_TREE_HEIGHT, EMPTY_ELEMENT } = process.env; const app = express()
app.use(express.json())
const express = require('express'); const Web3 = require('web3')
const app = express(); const web3 = new Web3('http://localhost:8545', null, {transactionConfirmationBlocks: 1})
app.use(express.json()); const contractJson = require('../build/contracts/Mixer.json')
let netId = 42
const Web3 = require('web3'); const mixer = new web3.eth.Contract(contractJson.abi, contractJson.networks[netId].address)
web3 = new Web3('http://localhost:8545', null, {transactionConfirmationBlocks: 1});
contractJson = require('../build/contracts/Mixer.json');
let netId = 42;
mixer = new web3.eth.Contract(contractJson.abi, contractJson.networks[netId].address);
function getMinimumFee() { function getMinimumFee() {
// todo calc acceptable fee // todo calc acceptable fee
return 1e16; return 1e16
} }
app.post('/deposit', async (req, resp) => { app.post('/deposit', async (req, resp) => {
let proof = req.body; let proof = req.body
if (!(proof.pi_a && proof.pi_b && proof.pi_c && proof.publicSignals)) { // check that it's kinda well formed if (!(proof.pi_a && proof.pi_b && proof.pi_c && proof.publicSignals)) { // check that it's kinda well formed
resp.status(400).end(); resp.status(400).end()
} }
if (bigInt(proof.publicSignals[3]) < getMinimumFee()) { if (bigInt(proof.publicSignals[3]) < getMinimumFee()) {
resp.status(403).send("Fee is too low"); resp.status(403).send('Fee is too low')
} }
if (!utils.snarkVerify(proof)) { if (!utils.snarkVerify(proof)) {
resp.status(403).send("Invalid snark proof"); resp.status(403).send('Invalid snark proof')
} }
try { try {
let receipt = await mixer.withdraw(proof.pi_a, proof.pi_b, proof.pi_b, proof.publicSignals); let receipt = await mixer.withdraw(proof.pi_a, proof.pi_b, proof.pi_b, proof.publicSignals)
console.log(receipt); console.log(receipt)
resp.send({transaction: receipt.transactionHash}) resp.send({ transaction: receipt.transactionHash })
} catch (e) { } catch (e) {
console.log(e); console.log(e)
resp.status(400).send("Transaction was reverted"); resp.status(400).send('Transaction was reverted')
} }
}); })
app.listen(3000); app.listen(3000)