@nori-zk/mina-token-bridge/target/src/workers/depositAttestation/worker.js

A Mina zk-program contract allowing users to mint tokens on Nori Bridge.

import { EthDepositProgram, EthDepositProgramInput, } from '../../e2ePrerequisites.js';
import { compileDepositAttestationPreRequisites, computeDepositAttestation, } from '../../depositAttestation.js';
import { Bytes, Field } from 'o1js';
import { wordToBytes } from '@nori-zk/proof-conversion/min';
export class DepositAttestationWorker {
    async compileAttestation() {
        try {
            console.log('inside the worker');
            await compileDepositAttestationPreRequisites();
        }
        catch (e) {
            console.log('e', e);
        }
    }
    async computeAttestation(depositBlockNumber, ethAddressLowerHex, attestationBEHex) {
        const { depositAttestationProof, ethVerifierProof, despositSlotRaw } = await computeDepositAttestation(depositBlockNumber, ethAddressLowerHex, attestationBEHex);
        console.log('depositAttestationProof.publicInput.rootHash', depositAttestationProof.publicInput.rootHash);
        console.log('depositAttestationProof.publicInput.value.attestationHash', depositAttestationProof.publicInput.value.attestationHash.toHex());
        console.log('ethVerifierProof.publicInput.verifiedContractDepositsRoot', ethVerifierProof.publicInput.verifiedContractDepositsRoot.toHex());
        const depositAttestationProofJson = depositAttestationProof.toJSON();
        const ethVerifierProofJson = ethVerifierProof.toJSON();
        return {
            despositSlotRaw,
            depositAttestationProofJson,
            ethVerifierProofJson,
        };
    }
    //async compile
    async compile() {
        await compileDepositAttestationPreRequisites();
        console.time('EthDepositProgram compile');
        const { verificationKey: EthDepositProgramVerificationKey } = await EthDepositProgram.compile({
            forceRecompile: true,
        });
        console.timeEnd('EthDepositProgram compile');
        console.log(`EthDepositProgram compiled vk: '${EthDepositProgramVerificationKey.hash}'.`);
    }
    async compute(presentationJson, depositBlockNumber, ethAddressLowerHex) {
        const presentation = JSON.parse(presentationJson);
        const messageHashString = presentation.outputClaim.value.messageHash.value;
        const messageHashBigInt = BigInt(messageHashString);
        const credentialAttestationHash = Field.from(messageHashBigInt);
        const beAttestationHashBytes = Bytes.from(wordToBytes(credentialAttestationHash, 32).reverse());
        const attestationBEHex = `0x${beAttestationHashBytes.toHex()}`; // this does not have the 0x....
        const { depositAttestationProof, ethVerifierProof, despositSlotRaw } = await computeDepositAttestation(depositBlockNumber, ethAddressLowerHex, attestationBEHex);
        const e2ePrerequisitesInput = new EthDepositProgramInput({
            credentialAttestationHash,
        });
        console.log('Computing e2e');
        console.time('E2EPrerequisitesProgram.compute');
        const ethDepositProof = await EthDepositProgram.compute(e2ePrerequisitesInput, ethVerifierProof, depositAttestationProof);
        console.timeEnd('E2EPrerequisitesProgram.compute');
        return { despositSlotRaw, ethDepositProofJson: ethDepositProof.proof.toJSON() };
    }
}
//# sourceMappingURL=worker.js.map