src/main/generic/network/message/TransactionsProofMessage.js
class TransactionsProofMessage extends Message {
/**
* @param {Hash} blockHash
* @param {TransactionsProof} [proof]
*/
constructor(blockHash, proof=null) {
super(Message.Type.TRANSACTIONS_PROOF);
if (!(blockHash instanceof Hash)) throw new Error('Malformed blockHash');
if (proof && !(proof instanceof TransactionsProof)) throw new Error('Malformed proof');
/** @type {Hash} */
this._blockHash = blockHash;
/** @type {TransactionsProof} */
this._proof = proof;
}
/**
* @param {SerialBuffer} buf
* @returns {TransactionsProofMessage}
*/
static unserialize(buf) {
Message.unserialize(buf);
const blockHash = Hash.unserialize(buf);
const hasProof = buf.readUint8();
let proof = null;
if (hasProof !== 0) {
proof = TransactionsProof.unserialize(buf);
}
return new TransactionsProofMessage(blockHash, proof);
}
/**
* @param {SerialBuffer} [buf]
* @returns {SerialBuffer}
*/
serialize(buf) {
buf = buf || new SerialBuffer(this.serializedSize);
super.serialize(buf);
this._blockHash.serialize(buf);
buf.writeUint8(this.hasProof() ? 1 : 0);
if (this.hasProof()) {
this._proof.serialize(buf);
}
super._setChecksum(buf);
return buf;
}
/** @type {number} */
get serializedSize() {
return super.serializedSize
+ /*success bit*/ 1
+ this._blockHash.serializedSize
+ (this.hasProof() ? this._proof.serializedSize : 0);
}
/**
* @return {boolean}
*/
hasProof() {
return !!this._proof;
}
/** @type {Hash} */
get blockHash() {
return this._blockHash;
}
/** @type {TransactionsProof} */
get proof() {
return this._proof;
}
}
Class.register(TransactionsProofMessage);