eslinter WIP

This commit is contained in:
Alexey 2019-07-16 18:58:42 +03:00
parent f3b1b7f96e
commit 2b2e174d06
6 changed files with 817 additions and 90 deletions

38
.eslintrc.json Normal file
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@ -0,0 +1,38 @@
{
"env": {
"node": true,
"es6": true,
"mocha": true
},
"extends": "eslint:recommended",
"globals": {
"Atomics": "readonly",
"SharedArrayBuffer": "readonly"
},
"parserOptions": {
"ecmaVersion": 2018
},
"rules": {
"indent": [
"error",
2
],
"linebreak-style": [
"error",
"unix"
],
"quotes": [
"error",
"single"
],
"semi": [
"error",
"never"
],
"object-curly-spacing": [
"error",
"always"
],
"require-await": "error"
}
}

743
package-lock.json generated

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@ -27,6 +27,7 @@
"circomlib": "^0.0.10",
"dotenv": "^8.0.0",
"express": "^4.17.1",
"eslint": "^6.0.1",
"ganache-cli": "^6.4.5",
"snarkjs": "git+https://github.com/iden3/snarkjs.git#5fe2bd4642ec567c75ad5ac3f73687999c412e73",
"truffle": "^5.0.27",

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@ -1,38 +1,39 @@
function send(method, params = []) {
return new Promise((resolve, reject) => {
// eslint-disable-next-line no-undef
web3.currentProvider.send({
jsonrpc: '2.0',
id: Date.now(),
method,
params
}, (err, res) => {
return err ? reject(err) : resolve(res);
});
});
return err ? reject(err) : resolve(res)
})
})
}
const takeSnapshot = async seconds => {
return await send('evm_snapshot');
const takeSnapshot = async () => {
return await send('evm_snapshot')
}
const revertSnapshot = async (id) => {
await send('evm_revert', [id]);
await send('evm_revert', [id])
}
const mineBlock = async (timestamp) => {
await send('evm_mine', [timestamp]);
await send('evm_mine', [timestamp])
}
const increaseTime = async (seconds) => {
await send('evm_increaseTime', [seconds]);
await send('evm_increaseTime', [seconds])
}
const minerStop = async () => {
await send('miner_stop', []);
await send('miner_stop', [])
}
const minerStart = async () => {
await send('miner_start', []);
await send('miner_start', [])
}
module.exports = {
@ -42,4 +43,4 @@ module.exports = {
minerStop,
minerStart,
increaseTime,
};
}

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@ -1,19 +1,19 @@
const snarkjs = require("snarkjs");
const groth = snarkjs["groth"];
const crypto = require("crypto");
const circomlib = require('circomlib');
const pedersen = circomlib.pedersenHash;
const babyjub = circomlib.babyJub;
const websnarkUtils = require('websnark/src/utils');
const unstringifyBigInts2 = require("snarkjs/src/stringifybigint").unstringifyBigInts;
const snarkjs = require('snarkjs')
const groth = snarkjs['groth']
const crypto = require('crypto')
const circomlib = require('circomlib')
const pedersen = circomlib.pedersenHash
const babyjub = circomlib.babyJub
const websnarkUtils = require('websnark/src/utils')
const unstringifyBigInts2 = require('snarkjs/src/stringifybigint').unstringifyBigInts
const rbigint = (nbytes) => snarkjs.bigInt.leBuff2int(crypto.randomBytes(nbytes));
const pedersenHash = (data) => babyjub.unpackPoint(pedersen.hash(data))[0];
const rbigint = (nbytes) => snarkjs.bigInt.leBuff2int(crypto.randomBytes(nbytes))
const pedersenHash = (data) => babyjub.unpackPoint(pedersen.hash(data))[0]
function snarkVerify(proof) {
proof = unstringifyBigInts2(websnarkUtils.fromSolidityInput(proof));
const verification_key = unstringifyBigInts2(require('../build/circuits/withdraw_verification_key.json'));
return groth.isValid(verification_key, proof, proof.publicSignals);
proof = unstringifyBigInts2(websnarkUtils.fromSolidityInput(proof))
const verification_key = unstringifyBigInts2(require('../build/circuits/withdraw_verification_key.json'))
return groth.isValid(verification_key, proof, proof.publicSignals)
}
module.exports = {rbigint, pedersenHash, snarkVerify};
module.exports = { rbigint, pedersenHash, snarkVerify }

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@ -1,10 +1,10 @@
const should = require('chai')
/*global artifacts, web3, contract, assert*/
require('chai')
.use(require('bn-chai')(web3.utils.BN))
.use(require('chai-as-promised'))
.should()
const { toWei, toBN } = require('web3-utils')
const { takeSnapshot, revertSnapshot, increaseTime } = require('../scripts/ganacheHelper');
const { takeSnapshot, revertSnapshot } = require('../scripts/ganacheHelper')
const MerkleTreeWithHistory = artifacts.require('./MerkleTreeWithHistoryMock.sol')
const MiMC = artifacts.require('./MiMC.sol')
@ -14,6 +14,7 @@ const MimcHasher = require('../lib/MiMC')
const { AMOUNT, MERKLE_TREE_HEIGHT, EMPTY_ELEMENT } = process.env
// eslint-disable-next-line no-unused-vars
function BNArrayToStringArray(array) {
const arrayToPrint = []
array.forEach(item => {
@ -22,13 +23,13 @@ function BNArrayToStringArray(array) {
return arrayToPrint
}
contract('MerkleTreeWithHistory', async accounts => {
contract('MerkleTreeWithHistory', accounts => {
let merkleTreeWithHistory
let miMC
const sender = accounts[0]
const emptyAddress = '0x0000000000000000000000000000000000000000'
let levels = MERKLE_TREE_HEIGHT || 16
let zeroValue = EMPTY_ELEMENT || 1337
const sender = accounts[0]
// eslint-disable-next-line no-unused-vars
const value = AMOUNT || '1000000000000000000'
let snapshotId
let prefix = 'test'
@ -48,26 +49,20 @@ contract('MerkleTreeWithHistory', async accounts => {
snapshotId = await takeSnapshot()
})
describe('#constructor', async () => {
describe('#constructor', () => {
it('should initialize', async () => {
const filled_subtrees = await merkleTreeWithHistory.filled_subtrees()
// console.log('filled_subtrees', BNArrayToStringArray(filled_subtrees))
const root = await merkleTreeWithHistory.getLastRoot()
// console.log('root', root.toString())
filled_subtrees[0].should.be.eq.BN(zeroValue)
const zeros = await merkleTreeWithHistory.zeros()
// console.log('zeros', BNArrayToStringArray(zeros))
zeros[0].should.be.eq.BN(zeroValue)
const roots = await merkleTreeWithHistory.roots()
// console.log('roots', BNArrayToStringArray(roots))
})
})
describe('merkleTreeLib', async () => {
it('index_to_key', async () => {
describe('merkleTreeLib', () => {
it('index_to_key', () => {
assert.equal(
MerkleTree.index_to_key('test', 5, 20),
"test_tree_5_20",
'test_tree_5_20',
)
})
@ -80,7 +75,7 @@ contract('MerkleTreeWithHistory', async accounts => {
prefix,
)
await tree.insert('5')
let {root, path_elements, path_index} = await tree.path(0)
let { root, path_elements } = await tree.path(0)
const calculated_root = hasher.hash(null,
hasher.hash(null, '5', path_elements[0]),
path_elements[1]
@ -90,7 +85,7 @@ contract('MerkleTreeWithHistory', async accounts => {
})
it('creation odd elements count', async () => {
const elements = [12, 13, 14, 15, 16, 17, 18, 19, 20]
for(const [i, el] of Object.entries(elements)) {
for(const [, el] of Object.entries(elements)) {
await tree.insert(el)
}
@ -99,8 +94,8 @@ contract('MerkleTreeWithHistory', async accounts => {
zeroValue,
elements,
prefix,
);
for(const [i, el] of Object.entries(elements)) {
)
for(const [i] of Object.entries(elements)) {
const pathViaConstructor = await batchTree.path(i)
const pathViaUpdate = await tree.path(i)
pathViaConstructor.should.be.deep.equal(pathViaUpdate)
@ -109,7 +104,7 @@ contract('MerkleTreeWithHistory', async accounts => {
it('creation even elements count', async () => {
const elements = [12, 13, 14, 15, 16, 17]
for(const [i, el] of Object.entries(elements)) {
for(const [, el] of Object.entries(elements)) {
await tree.insert(el)
}
@ -118,27 +113,27 @@ contract('MerkleTreeWithHistory', async accounts => {
zeroValue,
elements,
prefix,
);
for(const [i, el] of Object.entries(elements)) {
)
for(const [i] of Object.entries(elements)) {
const pathViaConstructor = await batchTree.path(i)
const pathViaUpdate = await tree.path(i)
pathViaConstructor.should.be.deep.equal(pathViaUpdate)
}
})
it.skip('creation using 30000 elements', async () => {
it.skip('creation using 30000 elements', () => {
const elements = []
for(let i = 1000; i < 31001; i++) {
elements.push(i)
}
console.time('MerkleTree');
console.time('MerkleTree')
tree = new MerkleTree(
levels,
zeroValue,
elements,
prefix,
);
console.timeEnd('MerkleTree');
)
console.timeEnd('MerkleTree')
// 2,7 GHz Intel Core i7
// 1000 : 1949.084ms
// 10000: 19456.220ms
@ -146,21 +141,16 @@ contract('MerkleTreeWithHistory', async accounts => {
})
})
describe('#insert', async () => {
describe('#insert', () => {
it('should insert', async () => {
let rootFromContract
for (i = 1; i < 11; i++) {
await merkleTreeWithHistory.insert(i)
for (let i = 1; i < 11; i++) {
await merkleTreeWithHistory.insert(i, { from: sender })
await tree.insert(i)
filled_subtrees = await merkleTreeWithHistory.filled_subtrees()
let {root, path_elements, path_index} = await tree.path(i - 1)
// console.log('path_elements ', path_elements)
// console.log('filled_subtrees', BNArrayToStringArray(filled_subtrees))
// console.log('rootFromLib', root)
let { root } = await tree.path(i - 1)
rootFromContract = await merkleTreeWithHistory.getLastRoot()
root.should.be.equal(rootFromContract.toString())
// console.log('rootFromCon', root.toString())
}
})
@ -169,7 +159,7 @@ contract('MerkleTreeWithHistory', async accounts => {
zeroValue = 1337
merkleTreeWithHistory = await MerkleTreeWithHistory.new(levels, zeroValue)
for (i = 0; i < 2**(levels - 1); i++) {
for (let i = 0; i < 2**(levels - 1); i++) {
await merkleTreeWithHistory.insert(i+42).should.be.fulfilled
}
@ -181,15 +171,9 @@ contract('MerkleTreeWithHistory', async accounts => {
})
})
describe('#MIMC', async () => {
it.skip('gas price', async () => {
const gas = await merkleTreeWithHistory.hashLeftRight.estimateGas(1,2)
// console.log('gas', gas)
})
})
afterEach(async () => {
await revertSnapshot(snapshotId.result)
// eslint-disable-next-line require-atomic-updates
snapshotId = await takeSnapshot()
hasher = new MimcHasher()
tree = new MerkleTree(