tornadocash/tornado-trees
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update snarkjs usage

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This commit is contained in:
Alexey 2021-03-04 13:00:14 +03:00
parent b871d1e49f
commit 76543d068b
4 changed files with 35 additions and 17 deletions
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26
contracts/mocks/Pack.sol
View File

@ -24,11 +24,11 @@ contract Pack {
uint256 gasBefore = gasleft();
bytes memory data = new bytes(BYTES_SIZE);
for (uint256 i = 0; i < CHUNK_SIZE; i++) {
(bytes32 hash, address instance, uint32 block) = (hashes[i], instances[i], blocks[i]);
(bytes32 _hash, address _instance, uint32 _block) = (hashes[i], instances[i], blocks[i]);
assembly {
mstore(add(add(data, mul(ITEM_SIZE, i)), 0x38), block)
mstore(add(add(data, mul(ITEM_SIZE, i)), 0x34), instance)
mstore(add(add(data, mul(ITEM_SIZE, i)), 0x20), hash)
mstore(add(add(data, mul(ITEM_SIZE, i)), 0x38), _block)
mstore(add(add(data, mul(ITEM_SIZE, i)), 0x34), _instance)
mstore(add(add(data, mul(ITEM_SIZE, i)), 0x20), _hash)
}
}
uint256 gasHash = gasleft();
@ -52,23 +52,23 @@ contract Pack {
public
view
returns (
uint256 gas1,
uint256 gas2,
bytes32 hash
uint256,
uint256,
bytes32
)
{
uint256 gasBefore = gasleft();
bytes memory data = new bytes(BYTES_SIZE);
for (uint256 i = 0; i < CHUNK_SIZE; i++) {
(bytes32 hash, address instance, uint32 block) = (hashes[i], instances[i], blocks[i]);
(bytes32 _hash, address _instance, uint32 _block) = (hashes[i], instances[i], blocks[i]);
assembly {
mstore(add(add(data, mul(ITEM_SIZE, i)), 0x38), block)
mstore(add(add(data, mul(ITEM_SIZE, i)), 0x34), instance)
mstore(add(add(data, mul(ITEM_SIZE, i)), 0x20), hash)
mstore(add(add(data, mul(ITEM_SIZE, i)), 0x38), _block)
mstore(add(add(data, mul(ITEM_SIZE, i)), 0x34), _instance)
mstore(add(add(data, mul(ITEM_SIZE, i)), 0x20), _hash)
}
}
uint256 gasHash = gasleft();
bytes32 hash = sha256(data);
return (gasleft() - gasHash, gasHash - gasBefore, hash);
bytes32 hash1 = sha256(data);
return (gasleft() - gasHash, gasHash - gasBefore, hash1);
}
}

3
package.json
View File

@ -1,6 +1,6 @@
{
"name": "tornado-trees",
"version": "0.0.7",
"version": "0.0.8",
"main": "src/index.js",
"repository": "https://github.com/tornadocash/tornado-trees.git",
"author": "Tornadocash team <hello@tornado.cash>",
@ -46,6 +46,7 @@
"circomlib": "git+https://github.com/tornadocash/circomlib.git#d20d53411d1bef61f38c99a8b36d5d0cc4836aa1",
"dotenv": "^8.2.0",
"ffiasm": "^0.1.1",
"ffjavascript": "^0.2.35",
"fixed-merkle-tree": "^0.5.0",
"jssha": "^3.2.0",
"snarkjs": "^0.3.57",

9
src/index.js
View File

@ -1,5 +1,7 @@
const ethers = require('ethers')
const BigNumber = ethers.BigNumber
const { wtns } = require('snarkjs')
const { utils } = require('ffjavascript')
const { bitsToNumber, toBuffer, toFixedHex, poseidonHash } = require('./utils')
@ -32,16 +34,17 @@ function hashInputs(input) {
function prove(input, keyBasePath) {
return tmp.dir().then(async (dir) => {
dir = dir.path
fs.writeFileSync(`${dir}/input.json`, JSON.stringify(input, null, 2))
let out
try {
if (fs.existsSync(`${keyBasePath}`)) {
// native witness calc
fs.writeFileSync(`${dir}/input.json`, JSON.stringify(input, null, 2))
out = await exec(`${keyBasePath} ${dir}/input.json ${dir}/witness.json`)
} else {
out = await exec(`npx snarkjs wd ${keyBasePath}.wasm ${dir}/input.json ${dir}/witness.wtns`)
out = await exec(`npx snarkjs wej ${dir}/witness.wtns ${dir}/witness.json`)
await wtns.calculate(utils.unstringifyBigInts(input), `${keyBasePath}.wasm`, `${dir}/witness.wtns`)
const witness = utils.stringifyBigInts(await wtns.exportJson(`${dir}/witness.wtns`))
fs.writeFileSync(`${dir}/witness.json`, JSON.stringify(witness, null, 2))
}
out = await exec(
`zkutil prove -c ${keyBasePath}.r1cs -p ${keyBasePath}.params -w ${dir}/witness.json -r ${dir}/proof.json -o ${dir}/public.json`,

14
yarn.lock
View File

@ -3890,6 +3890,15 @@ ffjavascript@0.2.34, ffjavascript@^0.2.30:
wasmcurves "0.0.14"
worker-threads "^1.0.0"
ffjavascript@^0.2.35:
version "0.2.35"
resolved "https://registry.yarnpkg.com/ffjavascript/-/ffjavascript-0.2.35.tgz#9166d95173b1c0a743b455bb03a72b581922a42e"
integrity sha512-xnC51tWbi0ah4SH+02jEfJyO+P+NiZWnxQrLDLtBYY1Dv3QM5ydxzd+gxnLEfWdT8i1bMM5pIh5P25l6fNCaVQ==
dependencies:
big-integer "^1.6.48"
wasmcurves "0.0.14"
web-worker "^1.0.0"
ffwasm@0.0.7:
version "0.0.7"
resolved "https://registry.yarnpkg.com/ffwasm/-/ffwasm-0.0.7.tgz#23bb9a3537ecc87c0f24fcfb3a9ddd0e86855fff"
@ -8352,6 +8361,11 @@ wasmcurves@0.0.5:
big-integer "^1.6.42"
blakejs "^1.1.0"
web-worker@^1.0.0:
version "1.0.0"
resolved "https://registry.yarnpkg.com/web-worker/-/web-worker-1.0.0.tgz#c7ced4e1eb6227636ada35056a9e5a477414e4d0"
integrity sha512-BzuMqeKVkKKwHV6tJuwePFcxYMxvC97D448mXTgh/CxXAB4sRtoV26gRPN+JDxsXRR7QZyioMV9O6NzQaASf7Q==
web3-bzz@1.2.11:
version "1.2.11"
resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.2.11.tgz#41bc19a77444bd5365744596d778b811880f707f"