flocore-p2p/lib/messages/commands/merkleblock.js

57 lines
1.5 KiB
JavaScript

'use strict';
var Message = require('../message');
var inherits = require('util').inherits;
var bitcore = require('bitcore');
var BufferUtil = bitcore.util.buffer;
var $ = bitcore.util.preconditions;
var _ = bitcore.deps._;
var MerkleBlock = bitcore.MerkleBlock;
var magicNumber = bitcore.Networks.defaultNetwork.networkMagic.readUInt32LE(0);
/**
* Contains information about a MerkleBlock
*
* @name P2P.Message.MerkleBlock
* @param {MerkleBlock} block
*/
function MerkleblockMessage(options) {
if (!(this instanceof MerkleblockMessage)) {
return new MerkleblockMessage(options);
}
if(!options) {
options = {};
}
Message.call(this, options);
this.magicNumber = magicNumber;
this.command = 'merkleblock';
$.checkArgument(
_.isUndefined(options.merkleBlock) ||
options.merkleBlock instanceof MerkleBlock
);
this.merkleBlock = options.merkleBlock;
}
inherits(MerkleblockMessage, Message);
MerkleblockMessage.fromObject = function(options) {
return new MerkleblockMessage(options);
};
MerkleblockMessage.fromBuffer = function(payload) {
var obj = {};
$.checkArgument(BufferUtil.isBuffer(payload));
obj.merkleBlock = MerkleBlock.fromBuffer(payload);
return MerkleblockMessage.fromObject(obj);
};
MerkleblockMessage.prototype.getPayload = function() {
return this.merkleBlock ? this.merkleBlock.toBuffer() : BufferUtil.EMPTY_BUFFER;
};
module.exports = function(options) {
magicNumber = options.magicNumber || magicNumber;
MerkleBlock = options.MerkleBlock || MerkleBlock;
return MerkleblockMessage;
};