feat: verifier integration
This commit is contained in:
parent
b5f33992b6
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0d9b67bb31
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@ -8,7 +8,8 @@ contract FuzzMarketplace is Marketplace {
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constructor()
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Marketplace(
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new TestToken(),
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MarketplaceConfig(CollateralConfig(10, 5, 3, 10), ProofConfig(10, 5, 64))
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MarketplaceConfig(CollateralConfig(10, 5, 3, 10), ProofConfig(10, 5, 64)),
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address(0)
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)
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// solhint-disable-next-line no-empty-blocks
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{
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@ -56,8 +56,9 @@ contract Marketplace is Proofs, StateRetrieval {
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constructor(
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IERC20 token_,
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MarketplaceConfig memory configuration
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) Proofs(configuration.proofs) {
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MarketplaceConfig memory configuration,
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address verifierAddress
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) Proofs(configuration.proofs, verifierAddress) {
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token = token_;
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require(
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@ -114,7 +115,8 @@ contract Marketplace is Proofs, StateRetrieval {
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require(slotState(slotId) == SlotState.Free, "Slot is not free");
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_startRequiringProofs(slotId, request.ask.proofProbability);
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submitProof(slotId, proof);
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// TODO: Update call signature
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// submitProof(slotId, proof);
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slot.host = msg.sender;
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slot.state = SlotState.Filled;
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@ -5,12 +5,18 @@ import "./Configuration.sol";
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import "./Requests.sol";
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import "./Periods.sol";
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interface IVerifier {
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function verifyProof(uint[2] calldata _pA, uint[2][2] calldata _pB, uint[2] calldata _pC, uint[3] calldata _pubSignals) external view returns (bool);
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}
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abstract contract Proofs is Periods {
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ProofConfig private _config;
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IVerifier private _verifier;
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constructor(ProofConfig memory config) Periods(config.period) {
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constructor(ProofConfig memory config, address verifierAddress) Periods(config.period) {
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require(block.number > 256, "Insufficient block height");
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_config = config;
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_verifier = IVerifier(verifierAddress);
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}
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mapping(SlotId => uint256) private _slotStarts;
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@ -102,11 +108,15 @@ abstract contract Proofs is Periods {
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return isRequired && pointer < _config.downtime;
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}
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function submitProof(SlotId id, bytes calldata proof) public {
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require(proof.length > 0, "Invalid proof"); // TODO: replace by actual check
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// TODO: The `pubSignals` should be constructed from information that we already know:
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// - external entropy (for example some fresh ethereum block header) - this gives us the unbiased randomness we use to sample which cells to prove
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// - the dataset root (which dataset we prove)
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// - and the slot index (which slot out of that dataset we prove)
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function submitProof(SlotId id, uint[2] calldata pA, uint[2][2] calldata pB, uint[2] calldata pC, uint[3] calldata pubSignals) public {
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require(!_received[id][_blockPeriod()], "Proof already submitted");
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require(_verifier.verifyProof(pA, pB, pC, pubSignals), "Invalid proof");
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_received[id][_blockPeriod()] = true;
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emit ProofSubmitted(id, proof);
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emit ProofSubmitted(id, bytes("")); // TODO: Rework ProofSubmitted with the new call signature
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}
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function _markProofAsMissing(SlotId id, Period missedPeriod) internal {
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@ -7,9 +7,10 @@ import "./Marketplace.sol";
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contract TestMarketplace is Marketplace {
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constructor(
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IERC20 token,
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MarketplaceConfig memory config
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MarketplaceConfig memory config,
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address verifierAddress
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)
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Marketplace(token, config) // solhint-disable-next-line no-empty-blocks
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Marketplace(token, config, verifierAddress) // solhint-disable-next-line no-empty-blocks
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{}
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function forciblyFreeSlot(SlotId slotId) public {
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@ -8,7 +8,7 @@ contract TestProofs is Proofs {
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mapping(SlotId => SlotState) private _states;
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// solhint-disable-next-line no-empty-blocks
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constructor(ProofConfig memory config) Proofs(config) {}
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constructor(ProofConfig memory config, address verifierAddress) Proofs(config, verifierAddress) {}
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function slotState(SlotId slotId) public view override returns (SlotState) {
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return _states[slotId];
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@ -0,0 +1,28 @@
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{
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"pi_a": [
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"12575931798333091286325232720222610208857693569302057808885252947429216447180",
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"16549473200179311181194191095131663560815201508441791825123921223678935560766",
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"1"
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],
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"pi_b": [
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[
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"10539735118221868154517125926361767140470515908908074935137601194792761800171",
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"82933007286657251580767357783340888344421112063684410243727242770275681544"
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],
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[
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"12783061468979995595204827460841361850250217151383589736164479836366818492603",
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"14029329025815586221542089598302928160626432109838714917216872595944862705134"
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],
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[
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"1",
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"0"
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]
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],
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"pi_c": [
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"13431392674314693403054162903564691589030062102064045494372006369097976531644",
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"14766632196294836790840495714548165339030519379498058874034063314395047727400",
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"1"
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],
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"protocol": "groth16",
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"curve": "bn128"
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}
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@ -0,0 +1,5 @@
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[
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"7410779170",
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"16074246370508166450132968585287196391860062495017081813239200574579640171677",
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"3"
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]
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@ -0,0 +1,180 @@
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// SPDX-License-Identifier: GPL-3.0
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/*
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Copyright 2021 0KIMS association.
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This file is generated with [snarkJS](https://github.com/iden3/snarkjs).
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snarkJS is a free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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snarkJS is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with snarkJS. If not, see <https://www.gnu.org/licenses/>.
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*/
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pragma solidity >=0.7.0 <0.9.0;
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contract Groth16Verifier {
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// Scalar field size
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uint256 constant r = 21888242871839275222246405745257275088548364400416034343698204186575808495617;
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// Base field size
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uint256 constant q = 21888242871839275222246405745257275088696311157297823662689037894645226208583;
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// Verification Key data
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uint256 constant alphax = 20491192805390485299153009773594534940189261866228447918068658471970481763042;
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uint256 constant alphay = 9383485363053290200918347156157836566562967994039712273449902621266178545958;
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uint256 constant betax1 = 4252822878758300859123897981450591353533073413197771768651442665752259397132;
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uint256 constant betax2 = 6375614351688725206403948262868962793625744043794305715222011528459656738731;
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uint256 constant betay1 = 21847035105528745403288232691147584728191162732299865338377159692350059136679;
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uint256 constant betay2 = 10505242626370262277552901082094356697409835680220590971873171140371331206856;
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uint256 constant gammax1 = 11559732032986387107991004021392285783925812861821192530917403151452391805634;
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uint256 constant gammax2 = 10857046999023057135944570762232829481370756359578518086990519993285655852781;
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uint256 constant gammay1 = 4082367875863433681332203403145435568316851327593401208105741076214120093531;
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uint256 constant gammay2 = 8495653923123431417604973247489272438418190587263600148770280649306958101930;
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uint256 constant deltax1 = 13712868925708658085847556664366075488044104377560666483004097971457124593853;
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uint256 constant deltax2 = 10641155327113821350709388160714981167756198765458730005846188297891779189493;
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uint256 constant deltay1 = 17764386955997045623322956974738840392389044888308308825307170058332555991668;
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uint256 constant deltay2 = 11545289596289529089490468468326982998415255475081847246298663415914281403462;
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uint256 constant IC0x = 2685717341061384289974985759706305556965509240536260442727245444252129889599;
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uint256 constant IC0y = 21827535600902499280458695057256182457185285685995970634461174274051979800815;
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uint256 constant IC1x = 13158415194355348546090070151711085027834066488127676886518524272551654481129;
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uint256 constant IC1y = 18831701962118195025265682681702066674741422770850028135520336928884612556978;
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uint256 constant IC2x = 20882269691461568155321689204947751047717828445545223718893788782534717197527;
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uint256 constant IC2y = 11996193054822748526485644723594571195813487505803351159052936325857690315211;
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uint256 constant IC3x = 18155166643053044822201627105588517913195535693446564472247126736722594445000;
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uint256 constant IC3y = 13816319482622393060406816684195314200198627617641073470088058848129378231754;
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// Memory data
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uint16 constant pVk = 0;
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uint16 constant pPairing = 128;
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uint16 constant pLastMem = 896;
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function verifyProof(uint[2] calldata _pA, uint[2][2] calldata _pB, uint[2] calldata _pC, uint[3] calldata _pubSignals) public view returns (bool) {
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assembly {
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function checkField(v) {
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if iszero(lt(v, q)) {
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mstore(0, 0)
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return (0, 0x20)
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}
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}
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// G1 function to multiply a G1 value(x,y) to value in an address
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function g1_mulAccC(pR, x, y, s) {
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let success
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let mIn := mload(0x40)
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mstore(mIn, x)
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mstore(add(mIn, 32), y)
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mstore(add(mIn, 64), s)
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success := staticcall(sub(gas(), 2000), 7, mIn, 96, mIn, 64)
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if iszero(success) {
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mstore(0, 0)
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return (0, 0x20)
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}
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mstore(add(mIn, 64), mload(pR))
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mstore(add(mIn, 96), mload(add(pR, 32)))
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success := staticcall(sub(gas(), 2000), 6, mIn, 128, pR, 64)
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if iszero(success) {
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mstore(0, 0)
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return (0, 0x20)
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}
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}
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function checkPairing(pA, pB, pC, pubSignals, pMem) -> isOk {
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let _pPairing := add(pMem, pPairing)
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let _pVk := add(pMem, pVk)
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mstore(_pVk, IC0x)
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mstore(add(_pVk, 32), IC0y)
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// Compute the linear combination vk_x
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g1_mulAccC(_pVk, IC1x, IC1y, calldataload(add(pubSignals, 0)))
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g1_mulAccC(_pVk, IC2x, IC2y, calldataload(add(pubSignals, 32)))
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g1_mulAccC(_pVk, IC3x, IC3y, calldataload(add(pubSignals, 64)))
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// -A
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mstore(_pPairing, calldataload(pA))
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mstore(add(_pPairing, 32), mod(sub(q, calldataload(add(pA, 32))), q))
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// B
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mstore(add(_pPairing, 64), calldataload(pB))
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mstore(add(_pPairing, 96), calldataload(add(pB, 32)))
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mstore(add(_pPairing, 128), calldataload(add(pB, 64)))
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mstore(add(_pPairing, 160), calldataload(add(pB, 96)))
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// alpha1
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mstore(add(_pPairing, 192), alphax)
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mstore(add(_pPairing, 224), alphay)
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// beta2
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mstore(add(_pPairing, 256), betax1)
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mstore(add(_pPairing, 288), betax2)
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mstore(add(_pPairing, 320), betay1)
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mstore(add(_pPairing, 352), betay2)
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// vk_x
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mstore(add(_pPairing, 384), mload(add(pMem, pVk)))
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mstore(add(_pPairing, 416), mload(add(pMem, add(pVk, 32))))
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// gamma2
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mstore(add(_pPairing, 448), gammax1)
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mstore(add(_pPairing, 480), gammax2)
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mstore(add(_pPairing, 512), gammay1)
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mstore(add(_pPairing, 544), gammay2)
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// C
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mstore(add(_pPairing, 576), calldataload(pC))
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mstore(add(_pPairing, 608), calldataload(add(pC, 32)))
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// delta2
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mstore(add(_pPairing, 640), deltax1)
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mstore(add(_pPairing, 672), deltax2)
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mstore(add(_pPairing, 704), deltay1)
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mstore(add(_pPairing, 736), deltay2)
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let success := staticcall(sub(gas(), 2000), 8, _pPairing, 768, _pPairing, 0x20)
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isOk := and(success, mload(_pPairing))
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}
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let pMem := mload(0x40)
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mstore(0x40, add(pMem, pLastMem))
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// Validate that all evaluations ∈ F
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checkField(calldataload(add(_pubSignals, 0)))
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checkField(calldataload(add(_pubSignals, 32)))
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checkField(calldataload(add(_pubSignals, 64)))
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checkField(calldataload(add(_pubSignals, 96)))
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// Validate all evaluations
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let isValid := checkPairing(_pA, _pB, _pC, _pubSignals, pMem)
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mstore(0, isValid)
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return (0, 0x20)
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}
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}
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}
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@ -2,6 +2,7 @@ const MARKETPLACE_HARDCODED_ADDRESS = "0x59b670e9fA9D0A427751Af201D676719a970857
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async function deployMarketplace({ deployments, getNamedAccounts }) {
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const token = await deployments.get("TestToken")
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const verifier = await deployments.get("Verifier")
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const configuration = {
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collateral: {
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repairRewardPercentage: 10,
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@ -15,7 +16,7 @@ async function deployMarketplace({ deployments, getNamedAccounts }) {
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downtime: 64,
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},
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}
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const args = [token.address, configuration]
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const args = [token.address, configuration, verifier.address]
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const { deployer } = await getNamedAccounts()
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await deployments.deploy("Marketplace", { args, from: deployer })
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}
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const marketplaceDeployment = await deployments.get("Marketplace")
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if (marketplaceDeployment.address === MARKETPLACE_HARDCODED_ADDRESS) {
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return
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return
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}
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console.log(`Aliasing marketplace from address ${marketplaceDeployment.address} to ${MARKETPLACE_HARDCODED_ADDRESS}`)
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@ -46,4 +47,4 @@ module.exports = async (environment) => {
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}
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module.exports.tags = ["Marketplace"]
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module.exports.dependencies = ["TestToken"]
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module.exports.dependencies = ["TestToken", "Verifier"]
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@ -0,0 +1,11 @@
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module.exports = async ({ deployments, getNamedAccounts }) => {
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const { deployer } = await getNamedAccounts()
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// TODO: Add logic to deploy specific version of verifier based on the network: network.tags....
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// The `contract: ...` part allows to fully specify the contract to be
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// deployed even if they are with the same names.
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await deployments.deploy("Verifier", { from: deployer, contract: "contracts/verifiers/testing/verifier.sol:Groth16Verifier" })
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}
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module.exports.tags = ["Verifier"]
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@ -11,6 +11,7 @@ const {
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advanceTimeToForNextBlock,
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} = require("./evm")
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const { periodic } = require("./time")
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const { loadProof } = require("./proof")
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const { SlotState } = require("./requests")
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const binomialTest = require("@stdlib/stats-binomial-test")
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@ -28,7 +29,9 @@ describe("Proofs", function () {
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await snapshot()
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await ensureMinimumBlockHeight(256)
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const Proofs = await ethers.getContractFactory("TestProofs")
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proofs = await Proofs.deploy({ period, timeout, downtime })
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const Verifier = await ethers.getContractFactory("contracts/verifiers/testing/verifier.sol:Groth16Verifier")
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const verifier = await Verifier.deploy()
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proofs = await Proofs.deploy({ period, timeout, downtime }, verifier.address)
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})
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afterEach(async function () {
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@ -152,7 +155,7 @@ describe("Proofs", function () {
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})
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describe("when proofs are required", function () {
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const proof = hexlify(randomBytes(42))
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const proof = loadProof('testing')
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beforeEach(async function () {
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await proofs.setSlotState(slotId, SlotState.Filled)
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@ -192,25 +195,26 @@ describe("Proofs", function () {
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})
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it("submits a correct proof", async function () {
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await proofs.submitProof(slotId, proof)
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await proofs.submitProof(slotId, ...proof)
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})
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it("fails proof submission when proof is incorrect", async function () {
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await expect(proofs.submitProof(slotId, [])).to.be.revertedWith(
|
||||
await expect(proofs.submitProof(slotId, ["0x1bcdb9a3c52070f56e8d59b29239f0528817f99745157ce4d03faefddfff6acc", "0x2496ab7dd8f0596c21653105e4af7e48eb5395ea45e0c876d7db4dd31b4df23e"],[["0x002ef03c350ccfbf234bfde498378709edea3a506383d492b58c4c35ffecc508", "0x174d475745707d35989001e9216201bdb828130b0e78dbf772c4795fa845b5eb"],["0x1f04519f202fac14311c65d827f65f787dbe01985044278292723b9ee77ce5ee", "0x1c42f4d640e94c28401392031e74426ae68145f4f520cd576ca5e5b9af97c0bb"]],["0x1db1e61b32db677f3927ec117569e068f62747986e4ac7f54db8f2acd17e4abc", "0x20a59e1daca2ab80199c5bca2c5a7d6de6348bd795a0dd999752cc462d851128"],["0x00000000000000000000000000000000000000000000000000000001b9b78422","0x2389b3770d31a09a71cda2cb2114c203172eac63b61f76cb9f81db7adbe8fc9d","0x0000000000000000000000000000000000000000000000000000000000000003"]))
|
||||
.to.be.revertedWith(
|
||||
"Invalid proof"
|
||||
)
|
||||
})
|
||||
|
||||
it("emits an event when proof was submitted", async function () {
|
||||
await expect(proofs.submitProof(slotId, proof))
|
||||
await expect(proofs.submitProof(slotId, ...proof))
|
||||
.to.emit(proofs, "ProofSubmitted")
|
||||
.withArgs(slotId, proof)
|
||||
// .withArgs(slotId, proof) // TODO: Update when ProofSubmitted updated
|
||||
})
|
||||
|
||||
it("fails proof submission when already submitted", async function () {
|
||||
await advanceTimeToForNextBlock(periodEnd(periodOf(await currentTime())))
|
||||
await proofs.submitProof(slotId, proof)
|
||||
await expect(proofs.submitProof(slotId, proof)).to.be.revertedWith(
|
||||
await proofs.submitProof(slotId, ...proof)
|
||||
await expect(proofs.submitProof(slotId, ...proof)).to.be.revertedWith(
|
||||
"Proof already submitted"
|
||||
)
|
||||
})
|
||||
|
@ -245,7 +249,7 @@ describe("Proofs", function () {
|
|||
it("does not mark a submitted proof as missing", async function () {
|
||||
await waitUntilProofIsRequired(slotId)
|
||||
let submittedPeriod = periodOf(await currentTime())
|
||||
await proofs.submitProof(slotId, proof)
|
||||
await proofs.submitProof(slotId, ...proof)
|
||||
await advanceTimeToForNextBlock(periodEnd(submittedPeriod))
|
||||
await mine()
|
||||
await expect(
|
||||
|
|
|
@ -0,0 +1,20 @@
|
|||
const fs = require('fs')
|
||||
|
||||
const BASE_PATH = __dirname + '/../contracts/verifiers'
|
||||
const PROOF_FILE_NAME = 'proof.json'
|
||||
const PUBLIC_FILE_NAME = 'public.json'
|
||||
|
||||
// TODO: Some error handling, when file don't exists or don't have expected format?
|
||||
function loadProof (name) {
|
||||
const proof = JSON.parse(fs.readFileSync(`${BASE_PATH}/${name}/${PROOF_FILE_NAME}`))
|
||||
const publicSignals = JSON.parse(fs.readFileSync(`${BASE_PATH}/${name}/${PUBLIC_FILE_NAME}`))
|
||||
|
||||
// TODO: We need to do some input processing from the given files, that I did not have time to look into
|
||||
// instead I hardcoded the values. Look into https://github.com/iden3/snarkjs#26-simulate-a-verification-call
|
||||
// how to obtain it.
|
||||
|
||||
//return [proof.pi_a, proof.pi_b, proof.pi_c, public]
|
||||
return [["0x1bcdb9a3c52070f56e8d49b29239f0528817f99745157ce4d03faefddfff6acc", "0x2496ab7dd8f0596c21653105e4af7e48eb5395ea45e0c876d7db4dd31b4df23e"],[["0x002ef03c350ccfbf234bfde498378709edea3a506383d492b58c4c35ffecc508", "0x174d475745707d35989001e9216201bdb828130b0e78dbf772c4795fa845b5eb"],["0x1f04519f202fac14311c65d827f65f787dbe01985044278292723b9ee77ce5ee", "0x1c42f4d640e94c28401392031e74426ae68145f4f520cd576ca5e5b9af97c0bb"]],["0x1db1e61b32db677f3927ec117569e068f62747986e4ac7f54db8f2acd17e4abc", "0x20a59e1daca2ab80199c5bca2c5a7d6de6348bd795a0dd999752cc462d851128"],["0x00000000000000000000000000000000000000000000000000000001b9b78422","0x2389b3770d31a09a71cda2cb2114c203172eac63b61f76cb9f81db7adbe8fc9d","0x0000000000000000000000000000000000000000000000000000000000000003"]]
|
||||
}
|
||||
|
||||
module.exports = { loadProof }
|
Loading…
Reference in New Issue