@hounddesk/epayco-signature-verifier/dist/index.js

ePayco Signature verifier used for transactions integrity checks

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const hashTypes_1 = __importDefault(require("./lib/hashTypes"));
const hash_1 = __importDefault(require("./lib/hash"));
/**
 * Verifies the transaction integrity against the provided signature.
 * @param signature
 * @param transaction
 * @param separator
 * @param hashType
 * @returns boolean
 */
function verify({ signature, transaction, separator, hashType = hashTypes_1.default }) {
    const signatureToVerify = `${signature.clientId}${separator}${signature.privateKey}${separator}${transaction.reference}${separator}${transaction.transactionId}${separator}${transaction.amount}${separator}${transaction.currencyCode}`;
    const hashedTransaction = hash_1.default({ data: signatureToVerify, hashType });
    return hashedTransaction === signature.hash;
}
exports.verify = verify;
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