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fix(noir): Add workaround for latest noir in account contracts #1781

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merged 7 commits into from
Aug 24, 2023
Merged

fix(noir): Add workaround for latest noir in account contracts #1781

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8839fd5
fix: workaround for noir issue with slices
sirasistant Aug 24, 2023
38f388a
test: update account contract test
sirasistant Aug 24, 2023
16269f1
Merge branch 'master' into arv/account_contracts_fix
sirasistant Aug 24, 2023
0f409f4
Merge branch 'master' into arv/account_contracts_fix
sirasistant Aug 24, 2023
3f70986
chore: update acvm js version
sirasistant Aug 24, 2023
29c56c4
Merge branch 'arv/account_contracts_fix' of github.com:AztecProtocol/…
sirasistant Aug 24, 2023
d3d9608
Merge branch 'master' into arv/account_contracts_fix
sirasistant Aug 24, 2023
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71 changes: 3 additions & 68 deletions yarn-project/aztec.js/src/abis/ecdsa_account_contract.json
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69 changes: 2 additions & 67 deletions yarn-project/aztec.js/src/abis/schnorr_account_contract.json
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40 changes: 2 additions & 38 deletions yarn-project/aztec.js/src/abis/schnorr_single_key_account_contract.json
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4 changes: 3 additions & 1 deletion yarn-project/end-to-end/src/e2e_account_contracts.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,9 @@ function itShouldBehaveLikeAnAccountContract(getAccountContract: (encryptionKey:
accountAddress,
).getWallet();
const childWithInvalidWallet = await ChildContract.at(child.address, invalidWallet);
await expect(childWithInvalidWallet.methods.value(42).simulate()).rejects.toThrowError(/Assertion failed: '.*'/);
await expect(childWithInvalidWallet.methods.value(42).simulate()).rejects.toThrowError(
/Cannot satisfy constraint.*/,
);
});
});
}
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7 changes: 6 additions & 1 deletion yarn-project/noir-contracts/src/contracts/ecdsa_account_contract/src/main.nr
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Expand Up @@ -50,7 +50,12 @@ contract EcdsaAccount {
// Note that noir expects the hash of the message/challenge as input to the ECDSA verification.
let payload_fields: [Field; entrypoint::ENTRYPOINT_PAYLOAD_SIZE] = payload.serialize();
let message_field: Field = std::hash::pedersen_with_separator(payload_fields, GENERATOR_INDEX__SIGNATURE_PAYLOAD)[0];
let message_bytes = message_field.to_be_bytes(32);
// TODO workaround for https://github.com/noir-lang/noir/issues/2421
let message_bytes_slice = message_field.to_be_bytes(32);
let mut message_bytes: [u8; 32] = [0; 32];
for i in 0..32 {
message_bytes[i] = message_bytes_slice[i];
}
let hashed_message: [u8; 32] = std::hash::sha256(message_bytes);
let verification = std::ecdsa_secp256k1::verify_signature(public_key.x, public_key.y, signature, hashed_message);
assert(verification == true);
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7 changes: 6 additions & 1 deletion yarn-project/noir-contracts/src/contracts/schnorr_account_contract/src/main.nr
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Expand Up @@ -49,7 +49,12 @@ contract SchnorrAccount {
// Verify payload signature
let payload_fields: [Field; entrypoint::ENTRYPOINT_PAYLOAD_SIZE] = payload.serialize();
let message_field: Field = std::hash::pedersen_with_separator(payload_fields, GENERATOR_INDEX__SIGNATURE_PAYLOAD)[0];
let message_bytes = message_field.to_be_bytes(32);
// TODO workaround for https://github.com/noir-lang/noir/issues/2421
let message_bytes_slice = message_field.to_be_bytes(32);
let mut message_bytes: [u8; 32] = [0; 32];
for i in 0..32 {
message_bytes[i] = message_bytes_slice[i];
}

// Verify signature of the payload bytes
let verification = std::schnorr::verify_signature(public_key.x, public_key.y, signature, message_bytes);
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8 changes: 6 additions & 2 deletions yarn-project/noir-contracts/src/contracts/schnorr_single_key_account_contract/src/main.nr
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Expand Up @@ -35,7 +35,12 @@ contract SchnorrSingleKeyAccount {
// Verify payload signature
let payload_fields: [Field; entrypoint::ENTRYPOINT_PAYLOAD_SIZE] = payload.serialize();
let message_field: Field = std::hash::pedersen_with_separator(payload_fields, GENERATOR_INDEX__SIGNATURE_PAYLOAD)[0];
let message_bytes = message_field.to_be_bytes(32);
// TODO workaround for https://github.com/noir-lang/noir/issues/2421
let message_bytes_slice = message_field.to_be_bytes(32);
let mut message_bytes: [u8; 32] = [0; 32];
for i in 0..32 {
message_bytes[i] = message_bytes_slice[i];
}

// Convert owner pubkey into fields
let mut x: Field = 0;
Expand All @@ -50,7 +55,6 @@ contract SchnorrSingleKeyAccount {
}

// Verify signature of the payload hash
// TODO: Find out why this signature verification never fails
let verification = std::schnorr::verify_signature(x, y, signature, message_bytes);
assert(verification == true);

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2 changes: 2 additions & 0 deletions yarn-project/noir-contracts/src/scripts/copy_output.ts
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Expand Up @@ -34,6 +34,8 @@ function writeToProject(abi: any) {
const toWrite = {
...abi,
functions: abi.functions.map((f: any) => omit(f, projectContract.exclude)),
// If we maintain debug symbols they will get commited to git.
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I tried untracking the account contracts but it generates a chicken and egg issue, where noir-contracts depends on aztec.js but it writes assets to aztec.js so if the account contracts abis are untracked noir-contracts will fail to build and thus to generate the account contract abis 😢

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Can we move around the deps to avoid this? some packages can depend on the noir-contracts package and copy the built artifacts over

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@sirasistant sirasistant Aug 24, 2023 •
edited
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I'm not sure we can move the deps around easily, because if aztec.js depends on compilation results then compilation cannot depend on aztec.js. I think the best solution would be for noir-contracts to not depend on aztec.js, but for that I think we'd need to remove types generation out of noir-contracts

debug: undefined,
};
const targetFilename = pathJoin(projectContract.target, `${snakeCase(abi.name)}_contract.json`);
writeFileSync(targetFilename, JSON.stringify(toWrite, null, 2) + '\n');
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