Verify Receipts

npm install @abstraxn/warrant-verifier

npx warrant-verify receipt.json --public-key=./public.key

import { verifyReceiptJson } from '@abstraxn/warrant-verifier';

const result = verifyReceiptJson(receipt, publicKeyBytes);
console.log(result.valid, result.verdict);

import {
  verifyMandateOnchain,
  verifyReceiptOnchain,
  verifyMerkleProof,
  receiptLeafBytes32,
  canonicalize,
} from '@abstraxn/warrant-verifier';

// Offline Merkle (no RPC)
const leaf = receiptLeafBytes32(canonicalize(unsignedReceipt));
const merkleOk = verifyMerkleProof({
  leaf,
  proof: receipt.onchain.proof,
  root: receipt.onchain.root,
});

// MandateRegistry — mandate hash matches on-chain record
const mandate = await verifyMandateOnchain({
  rpcUrl: process.env.RPC_URL!,
  mandateRegistry: '0x9f13744Cd7ca5b7851Aa21C9607617a83904A3b5',
  mandateId: 'mnd_sha256:…',
  contentHashHex: '…',
  chainId: receipt.onchain.chainId,
});

// ReceiptLog — batch root published on-chain
const anchored = await verifyReceiptOnchain({
  rpcUrl: process.env.RPC_URL!,
  receiptLog: '0x65eDCae32a92eCCC47b7f0CBa06f2F924ce3A45E',
  leaf,
  proof: receipt.onchain.proof,
  batchId: receipt.onchain.batchId,
  root: receipt.onchain.root,
  chainId: receipt.onchain.chainId,
});

{
  "onchain": {
    "chainId": 84532,
    "status": "confirmed",
    "leafHash": "0x…",
    "batchId": "1",
    "proof": ["0x…"],
    "root": "0x…",
    "txHash": "0x…"
  }
}