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smom-dbis-138/services/checkpoint-aggregator/dist/eip712.js
defiQUG c336809676
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Add mainnet checkpoint stack: ISO attestation, participant Etherscan surface, and services.
Ship AddressActivityRegistry V1/V2, ISO20022IntakeGateway, Chain138ParticipantSurface,
checkpoint hub contracts, checkpoint-core package, aggregator/indexer/sdk services,
relay profile guards, M00 diamond bridge facet, and OMNL compliance contracts.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-25 00:30:45 -07:00

48 lines
1.7 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.signBatchAttestation = signBatchAttestation;
exports.normalizeEcdsaSignature = normalizeEcdsaSignature;
const ethers_1 = require("ethers");
const BATCH_ATTESTATION_TYPES = {
BatchAttestation: [
{ name: 'chainId', type: 'uint64' },
{ name: 'batchId', type: 'uint64' },
{ name: 'checkpointBlock', type: 'uint256' },
{ name: 'blockHash', type: 'bytes32' },
{ name: 'stateRoot', type: 'bytes32' },
{ name: 'paymentsRoot', type: 'bytes32' },
{ name: 'previousBatchId', type: 'uint64' },
],
};
/** Matches CheckpointEIP712.digest / ValidatorSigVerifierExtension.beforeSubmit. */
async function signBatchAttestation(wallet, verifyingContract, header) {
const chainId = Number((await wallet.provider.getNetwork()).chainId);
const domain = {
name: 'Chain138MainnetCheckpoint',
version: '2',
chainId,
verifyingContract,
};
const message = {
chainId: header.chainId,
batchId: header.batchId,
checkpointBlock: header.checkpointBlock,
blockHash: header.blockHash,
stateRoot: header.stateRoot,
paymentsRoot: header.paymentsRoot,
previousBatchId: header.previousBatchId,
};
const sig = await wallet.signTypedData(domain, BATCH_ATTESTATION_TYPES, message);
return normalizeEcdsaSignature(sig);
}
/** OpenZeppelin ECDSA.recover expects v=27|28; ethers v6 may return 0|1. */
function normalizeEcdsaSignature(sig) {
const bytes = ethers_1.ethers.getBytes(sig);
if (bytes.length !== 65)
return sig;
const v = bytes[64];
if (v < 27)
bytes[64] = v + 27;
return ethers_1.ethers.hexlify(bytes);
}