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import pkg from 'hardhat';
import { getSigners, getContractFactory } from '@nomiclabs/hardhat-ethers/src/internal/helpers'
import { expect } from 'chai';
import { BigNumber } from 'ethers';
import { Noir } from '../utils/noir';
import { execSync } from 'child_process';
import { MerkleTree } from '../utils/MerkleTree'
import {
generateUTXO,
generateTestTransaction,
generateTestPublish,
generateDataToml,
randomBytesFr,
generateTreeProof,
treeConfig,
dumpToml,
dumpTomlRecursive
} from '../utils/test_helpers';
import fs from "fs"
// @ts-ignore
import { Fr } from '@aztec/bb.js';
import mainCircuit from '../circuits/main/target/main.json';
import recursiveCircuit from '../circuits/recursion/target/recursion.json';
import { beforeAll, describe } from 'vitest';
import { SignerWithAddress } from '@nomiclabs/hardhat-ethers/src/signers';
let recompile: boolean = true;
let preprocessing: boolean = false;
let signers: SignerWithAddress[], recipients, recipients_new
beforeAll(async () => {
signers = await getSigners(pkg);
recipients = new Array(16).fill(`0x` + signers[1].address.slice(2).padStart(64, "0"))
recipients_new = new Array(16).fill(`0x` + signers[2].address.slice(2).padStart(64, "0"))
if (recompile) {
execSync(`cd ./circuits/main/ && nargo check && nargo compile && nargo codegen-verifier`)
execSync(`cd ./circuits/recursion/ && nargo check && nargo compile && nargo codegen-verifier && cp ./contract/recursion/plonk_vk.sol ../../contracts/plonk_vk.sol`)
execSync(`npx hardhat compile`)
}
});
describe('It compiles noir program code, receiving circuit bytes and abi object.', async () => {
const noirInstances: { main: Noir, recursive: Noir } = {
main: new Noir(mainCircuit),
recursive: new Noir(recursiveCircuit)
}
const { main: noir } = noirInstances;
await noir.init();
let recursiveInputs: string[] = [];
let trees = {
utxo_tree: new MerkleTree(treeConfig.utxoDepth, noir.api),
tx_tree: new MerkleTree(treeConfig.txDepth, noir.api),
historic_tree: new MerkleTree(treeConfig.stateDepth, noir.api),
newHistoricRoot: ""
}
await trees.utxo_tree.init();
await trees.tx_tree.init();
await trees.historic_tree.init();
let utxoIn: any[] = []
let utxoOut: any[] = []
let treeProof: any[] = []
let data = await generateDataToml("0", "0", trees, noir.api)
let amountPublic = {
amountIn: BigInt(0),
amountOut: new Array(16).fill(BigInt(0))
}
let contractInputs: any[]
let Verifier, verifierContract, TechnicalPreview, technicalPreviewContract, XFTMock, xftMockContract;
let dataToml
beforeAll(async () => {
Verifier = await getContractFactory(pkg, "UltraVerifier");
verifierContract = await Verifier.deploy();
let verifierAddr = await verifierContract.deployed();
console.log(`Verifier deployed to ${verifierAddr.address}`);
let vk_hash = await verifierContract.getVerificationKeyHash();
XFTMock = await getContractFactory(pkg, "XFTMock");
xftMockContract = await XFTMock.deploy(vk_hash);
let xftMockContractAddr = await xftMockContract.deployed();
console.log(`Token deployed to ${xftMockContractAddr.address}`);
TechnicalPreview = await getContractFactory(pkg, "TechnicalPreview");
technicalPreviewContract = await TechnicalPreview.deploy(verifierContract.address, xftMockContract.address, "0x2f51641a7c20eec5405aedc1309dccfd3841bfd54e87d32957daa0371904fb11");
await xftMockContract.grantRole(await xftMockContract.MINTER_ROLE(), technicalPreviewContract.address);
let merkle_root = await technicalPreviewContract.merkleRoot()
let utxo_leaves = await technicalPreviewContract.getUtxoFromRoot(merkle_root);
for (let i = 0; i < utxo_leaves.length; i++) {
await trees.utxo_tree.insert(utxo_leaves[i]);
}
let historic_leaves = await technicalPreviewContract.getValidRoots();
for (let i = 0; i < historic_leaves.length; i++) {
await trees.historic_tree.insert(historic_leaves[i]);
}
})
it('Should generate valid proof for correct input (deposit)', async () => {
console.log("** Generating Test Batch **")
let batchSize0 = 1
let secret0: Fr[] = []
for (let s = 0; s < batchSize0; s++) {
secret0.push(randomBytesFr(32))
}
let amountsOutUTXO = new Array(1).fill(BigInt(1e18))
utxoOut = await generateUTXO(batchSize0, amountsOutUTXO, secret0, noir.api);
amountPublic.amountIn = BigInt(1e18)
await generateTestTransaction(utxoIn, utxoOut, trees, treeProof, amountPublic, data, recipients, noir.api, technicalPreviewContract)
console.log("** Generating Transaction Proof #1 (Deposit) **")
await generateTestPublish(trees, data, noir.api)
dumpToml(data)
const input = [
data.current_root,
data.deposit,
...data.withdrawals,
...data.commitment_out,
...data.recipients,
data.oracle,
...data.old_root_proof,
...data.nullifier_hashes,
...data.secrets,
...data.utxo_in,
...data.utxo_out,
...data.indexes,
...data.hash_path
];
const public_input = [
data.current_root,
data.deposit,
...data.withdrawals,
...data.commitment_out,
...data.recipients,
data.oracle,
...data.nullifier_hashes
]
const witness = await noir.generateWitness(input);
const proof = await noir.generateInnerProof(witness);
expect(proof instanceof Uint8Array).to.be.true;
const verified = await noir.verifyInnerProof(proof);
expect(verified).to.be.true;
const numPublicInputs = public_input.length + 1;
const { proofAsFields, vkAsFields, vkHash } = await noir.generateInnerProofArtifacts(
proof,
numPublicInputs,
);
const publicInputs = proofAsFields.slice(0, numPublicInputs)
expect(vkAsFields).to.be.of.length(114);
expect(vkHash).to.be.a('string');
const aggregationObject = Array(16).fill(
'0x0000000000000000000000000000000000000000000000000000000000000000',
);
recursiveInputs = [
...vkAsFields.map(e => e.toString()),
...proofAsFields,
...publicInputs,
...aggregationObject,
vkHash.toString(),
...data.tx_in,
data.old_root,
data.new_root,
data.oracle,
];
dataToml = {
verification_key: vkAsFields.map(e => e.toString()),
proof: proofAsFields,
public_inputs: publicInputs,
input_aggregation_object: aggregationObject,
key_hash: vkHash.toString(),
tx_ids: data.tx_in,
old_root: data.old_root,
new_root: data.new_root,
oracle: data.oracle,
}
const deposit = publicInputs[1]
const withdrawals = publicInputs.slice(2, 18)
const commitment_out = publicInputs.slice(18, 34)
const recipientPI = publicInputs.slice(34, 50)
const nullifier_hashes = publicInputs.slice(51, 67)
const id = publicInputs[67]
contractInputs = [
id,
commitment_out,
nullifier_hashes,
recipientPI,
withdrawals,
deposit
]
const savedOutputs = {
data: data,
dataToml: dataToml,
recursiveInputs: recursiveInputs,
contractInputs: contractInputs
}
fs.writeFileSync('./outputs.json', JSON.stringify(savedOutputs)); // Caches outputs
await noir.destroy();
});
it('Should verify proof within a proof', async () => {
const { recursive: noir } = noirInstances;
await noir.init();
const savedOutputs = JSON.parse(fs.readFileSync('./outputs.json').toString())
data = savedOutputs.data
dataToml = savedOutputs.dataToml
recursiveInputs = savedOutputs.recursiveInputs
contractInputs = savedOutputs.contractInputs
const proofInput = recursiveInputs.slice(114, 275);
const witness = await noir.generateWitness(recursiveInputs);
const proof = await noir.generateOuterProof(witness);
expect(proof instanceof Uint8Array).to.be.true;
const numPublicInputs = 36;
const { proofAsFields } = await noir.generateInnerProofArtifacts(
proof,
numPublicInputs,
);
const verified = await noir.verifyOuterProof(proof);
console.log(verified);
contractInputs.push(proofInput)
contractInputs.push(proofAsFields.slice(numPublicInputs - 16, numPublicInputs))
await technicalPreviewContract.enqueue(contractInputs)
const batch = await technicalPreviewContract.getCurrentBatch();
fs.writeFileSync('./batch.json', JSON.stringify(batch))
dumpTomlRecursive(dataToml)
execSync(`cd ./circuits/recursion/ && nargo prove`)
const proofString = `0x` + fs.readFileSync('./circuits/recursion/proofs/recursion.proof').toString()
const batchPublicInputs = [
dataToml.key_hash,
dataToml.oracle,
dataToml.old_root,
dataToml.new_root,
batch
]
await technicalPreviewContract.publish(proofString, batchPublicInputs)
utxoIn = utxoOut
await noir.destroy();
});
it('Should generate valid proof for correct input (withdrawal)', async () => {
const { main: noir } = noirInstances
await noir.init();
trees.utxo_tree = new MerkleTree(treeConfig.utxoDepth, noir.api)
trees.tx_tree = new MerkleTree(treeConfig.txDepth, noir.api)
trees.historic_tree = new MerkleTree(treeConfig.stateDepth, noir.api)
await trees.utxo_tree.init()
await trees.tx_tree.init()
await trees.historic_tree.init()
console.log("Populating Historic Tree")
const historicRoots = await technicalPreviewContract.getValidRoots()
for (let r = 0; r < historicRoots.length; r++) {
await trees.historic_tree.insert(historicRoots[r])
}
console.log("** Generating Transaction Proof #2 (Withdraw/Transfer) **")
let amountsOutUTXO = new Array(1).fill(BigInt(5e17))
treeProof = []
for (let i = 0; i < utxoIn.length; i++) {
let utxoProof = await generateTreeProof(utxoIn[i], noir.api, technicalPreviewContract)
treeProof.push(utxoProof);
}
console.log("Tree proof generated")
let batchSize0 = 1
let secret0: Fr[] = []
for (let s = 0; s < batchSize0; s++) {
secret0.push(randomBytesFr(32))
}
amountPublic.amountIn = BigInt(0);
amountPublic.amountOut = new Array(5).fill(1e17);
utxoOut = await generateUTXO(batchSize0, amountsOutUTXO, secret0, noir.api);
let oldRoot = dataToml.old_root
let newRoot = dataToml.new_root
data = await generateDataToml(oldRoot, newRoot, trees, noir.api)
await generateTestTransaction(utxoIn, utxoOut, trees, treeProof, amountPublic, data, recipients_new, noir.api, technicalPreviewContract)
console.log("Test transaction generated")
await generateTestPublish(trees, data, noir.api)
console.log("Test publish generated")
dumpToml(data)
const input = [
data.current_root,
data.deposit,
...data.withdrawals,
...data.commitment_out,
...data.recipients,
data.oracle,
...data.old_root_proof,
...data.nullifier_hashes,
...data.secrets,
...data.utxo_in,
...data.utxo_out,
...data.indexes,
...data.hash_path
];
const public_input = [
data.current_root,
data.deposit,
...data.withdrawals,
...data.commitment_out,
...data.recipients,
data.oracle,
...data.nullifier_hashes
]
console.log("Input formatted")
const witness = await noir.generateWitness(input);
console.log("witness calculated")
const proof = await noir.generateInnerProof(witness);
console.log("Proof generated")
expect(proof instanceof Uint8Array).to.be.true;
const verified = await noir.verifyInnerProof(proof);
expect(verified).to.be.true;
const numPublicInputs = public_input.length + 1; const { proofAsFields, vkAsFields, vkHash } = await noir.generateInnerProofArtifacts(
proof,
numPublicInputs,
);
const publicInputs = proofAsFields.slice(0, numPublicInputs)
expect(vkAsFields).to.be.of.length(114);
expect(vkHash).to.be.a('string');
const aggregationObject = Array(16).fill(
'0x0000000000000000000000000000000000000000000000000000000000000000',
);
recursiveInputs = [
...vkAsFields.map(e => e.toString()),
...proofAsFields,
...publicInputs,
...aggregationObject,
vkHash.toString(),
...data.tx_in,
data.old_root,
data.new_root,
data.oracle,
];
dataToml = {
verification_key: vkAsFields.map(e => e.toString()),
proof: proofAsFields,
public_inputs: publicInputs,
input_aggregation_object: aggregationObject,
key_hash: vkHash.toString(),
tx_ids: data.tx_in,
old_root: data.old_root,
new_root: data.new_root,
oracle: data.oracle,
}
const current_root = publicInputs[0]
const deposit = publicInputs[1]
const withdrawals = publicInputs.slice(2, 18)
const commitment_out = publicInputs.slice(18, 34)
const recipientPI = publicInputs.slice(34, 50)
const oracle = publicInputs[50]
const nullifier_hashes = publicInputs.slice(51, 67)
const id = publicInputs[67]
contractInputs = [
id,
commitment_out,
nullifier_hashes,
recipientPI,
withdrawals,
deposit
]
const savedOutputs = {
data: data,
dataToml: dataToml,
recursiveInputs: recursiveInputs,
contractInputs: contractInputs
}
fs.writeFileSync('./outputs.json', JSON.stringify(savedOutputs));
await noir.destroy();
});
it('Should verify proof within a proof (withdrawal)', async () => {
const { recursive: noir } = noirInstances;
await noir.init();
const savedOutputs = JSON.parse(fs.readFileSync('./outputs.json').toString())
data = savedOutputs.data
dataToml = savedOutputs.dataToml
recursiveInputs = savedOutputs.recursiveInputs
contractInputs = savedOutputs.contractInputs
const proofInput = recursiveInputs.slice(114, 275);
const witness = await noir.generateWitness(recursiveInputs);
const proof = await noir.generateOuterProof(witness);
expect(proof instanceof Uint8Array).to.be.true;
const numPublicInputs = 36;
const { proofAsFields } = await noir.generateInnerProofArtifacts(
proof,
numPublicInputs,
);
const verified = await noir.verifyOuterProof(proof);
console.log(verified);
contractInputs.push(proofInput)
contractInputs.push(proofAsFields.slice(numPublicInputs - 16, numPublicInputs))
await technicalPreviewContract.enqueue(contractInputs)
const batch = await technicalPreviewContract.getCurrentBatch();
fs.writeFileSync('./batch.json', JSON.stringify(batch))
dumpTomlRecursive(dataToml)
execSync(`cd ./circuits/recursion/ && nargo prove`)
const proofString = `0x` + fs.readFileSync('./circuits/recursion/proofs/recursion.proof').toString()
const batchPublicInputs = [
dataToml.key_hash,
dataToml.oracle,
dataToml.old_root,
dataToml.new_root,
batch
]
await technicalPreviewContract.publish(proofString, batchPublicInputs)
utxoIn = utxoOut
const balanceOut = await xftMockContract.balanceOf(signers[2].address)
expect(balanceOut).to.be.equal(BigNumber.from(BigInt(5e17).toString()))
await noir.destroy();
});
});