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• [DIR] ..
• [DIR] descriptor
• [FILE] fixtures.utils.d.ts
• [FILE] fixtures.utils.d.ts.map
• [FILE] fixtures.utils.js
• [FILE] generatePayGoAttestationProof.utils.d.ts
• [FILE] generatePayGoAttestationProof.utils.d.ts.map
• [FILE] generatePayGoAttestationProof.utils.js
• [FILE] index.d.ts
• [FILE] index.d.ts.map
• [FILE] index.js
• [FILE] key.utils.d.ts
• [FILE] key.utils.d.ts.map
• [FILE] key.utils.js
• [FILE] toPlainObject.utils.d.ts
• [FILE] toPlainObject.utils.d.ts.map
• [FILE] toPlainObject.utils.js
• [FILE] trimMessagePrefix.d.ts
• [FILE] trimMessagePrefix.d.ts.map
• [FILE] trimMessagePrefix.js

Просмотр файла: generatePayGoAttestationProof.utils.js

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.generatePayGoAttestationProof = generatePayGoAttestationProof;
const crypto_1 = __importDefault(require("crypto"));
const utxo_lib_1 = require("@bitgo/utxo-lib");
const paygo_1 = require("../paygo");
/** We have a mirrored function similar to our hsm that generates our Bitcoin signed
 * message so that we can use for testing. This creates a random entropy as well using
 * the nilUUID structure to construct our uuid buffer and given our address we can
 * directly encode it into our message.
 *
 * @param attestationPrvKey
 * @param uuid
 * @param address
 * @returns
 */
function generatePayGoAttestationProof(uuid, address, hasPrefix = true) {
    // <ENTROPY>
    const entropyLength = 64;
    const entropy = crypto_1.default.randomBytes(entropyLength);
    // <UUID>
    const uuidBuffer = Buffer.from(uuid);
    const uuidBufferLength = uuidBuffer.length;
    // <ADDRESS>
    const addressBufferLength = address.length;
    // <VARINT_LENGTH>
    const msgLength = entropyLength + addressBufferLength + uuidBufferLength;
    const msgLengthBuffer = utxo_lib_1.bufferutils.varuint.encode(msgLength);
    // <LENGTH><ENTROPY><ADDRESS><UUID>
    const proofMessage = Buffer.concat([msgLengthBuffer, entropy, address, uuidBuffer]);
    // If hasPrefix, we return 0x18Bitcoin Signed Message:\n<proof> otherwise its just <proof>
    // where <proof> = <VARINT_LEN><ENTROPY><ADDRESS><UUID>
    return hasPrefix ? Buffer.concat([paygo_1.Prefix, proofMessage]) : proofMessage;
}
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