Method fromPubkeyhash

lib/script/script.js:1445–1466

* Inject properties from a pay-to-pubkeyhash script. * @private * @param {Buffer} hash

(hash)

   */

  fromPubkeyhash(hash) {
    assert(Buffer.isBuffer(hash) && hash.length === 20);

    this.raw = Buffer.allocUnsafe(25);
    this.raw[0] = opcodes.OP_DUP;
    this.raw[1] = opcodes.OP_HASH160;
    this.raw[2] = 0x14;
    hash.copy(this.raw, 3);
    this.raw[23] = opcodes.OP_EQUALVERIFY;
    this.raw[24] = opcodes.OP_CHECKSIG;

    hash = this.raw.slice(3, 23);

    this.code.length = 0;
    this.code.push(Opcode.fromOp(opcodes.OP_DUP));
    this.code.push(Opcode.fromOp(opcodes.OP_HASH160));
    this.code.push(Opcode.fromPush(hash));
    this.code.push(Opcode.fromOp(opcodes.OP_EQUALVERIFY));
    this.code.push(Opcode.fromOp(opcodes.OP_CHECKSIG));

    return this;
  }

  /**
   * Create a pay-to-pubkeyhash script.