nerve-sdk-js/lib/model/txsignatures.js

nerve nerve-js nerve-sdk nerve-js-sdk

var Serializers = require("../api/serializers");

var P2PHKSignature = function P2PHKSignature() {
  this.pubkey = null;
  this.signData = null;
};

var TransactionSignatures = function TransactionSignatures(_isPersonalSign) {
  this.signatures = null;
  this.isPersonalSign = false;

  if (_isPersonalSign) {
    this.isPersonalSign = _isPersonalSign;
  }

  this.serialize = function () {
    var bw = new Serializers();

    if (this.signatures && this.signatures.length > 0) {
      for (var i = 0; i < this.signatures.length; i++) {
        var signature = this.signatures[i];
        bw.getBufWriter().writeUInt8(signature.pubkey.length);
        bw.getBufWriter().write(signature.pubkey);
        bw.writeBytesWithLength(signature.signData);
      }

      if (this.isPersonalSign) {
        bw.writeBoolean(this.isPersonalSign);
      }
    }

    return bw.getBufWriter().toBuffer();
  };

  this.parse = function (bufferReader) {
    this.signatures = [];
    this.isPersonalSign = false;

    while (!bufferReader.isFinished() && bufferReader.remainLength() > 32) {
      var length = bufferReader.readUInt8();
      var sign = new P2PHKSignature();
      sign.pubkey = bufferReader.slice(length);
      sign.signData = bufferReader.readBytesByLength();
      this.signatures.push(sign);
    }

    if (!bufferReader.isFinished()) {
      this.isPersonalSign = bufferReader.readBoolean();
    }
  };

  this.addSign = function (pubkey, signValue) {
    if (!this.signatures || this.signatures == null) {
      this.signatures = [];
    }

    var sign = new P2PHKSignature();
    sign.pubkey = pubkey;
    sign.signData = signValue;
    this.signatures.push(sign);
  };
};

module.exports = {
  TransactionSignatures,
  P2PHKSignature
};