@antefinance/ante-sdk/_esm/gate/zupass.js

Library for interacting with Ante smart contracts

import { uuidToBigInt } from '@pcd/util';
import { abiEncodeProof, generateWitness, pcdFromSerializedPcdString, verifyWitnessSignature, verifyZupassProof, } from '../utils/zupass';
import { encodeAbiParameters, getAddress } from 'viem';
const buildConfiguration = (manager, events) => {
    const uintEvents = events.map(uuidToBigInt);
    return encodeAbiParameters([{ type: 'address' }, { type: 'bytes' }], [
        getAddress(manager),
        encodeAbiParameters([{ type: 'uint256[]' }], [uintEvents]),
    ]);
};
const getProof = async (events, proofInput) => {
    const { serializedPCDStr, watermark, externalNullifier } = proofInput;
    const pcd = await pcdFromSerializedPcdString(serializedPCDStr);
    const proofVerification = await verifyZupassProof(pcd, BigInt(watermark), externalNullifier, events);
    if (!proofVerification) {
        return Promise.reject(new Error('Proof verification failed, invalid proof input'));
    }
    const witness = generateWitness(pcd);
    if (!(await verifyWitnessSignature(witness))) {
        return Promise.reject(new Error('Proof verification failed, invalid witness signature'));
    }
    return abiEncodeProof(witness);
};
export const ZupassGate = {
    buildConfiguration,
    getProof,
};