gistfile1.txt

function serializeMultiSigTransferTransaction (entity) {

	var r = new ArrayBuffer(512 + 2764);
	var d = new Uint32Array(r);
	var b = new Uint8Array(r);

	// Common transaction part of the byte array
	// 1.Trransaction type:4byte(integer).
	d[0] = entity['type'];
	// 2.Version:4byte
	d[1] = entity['version'];
	// 3.Timestamp:4byte(integer)
	d[2] = entity['timeStamp'];

	var temp = hex2ua(entity['signer']);
	// 4.Length of public key byte array(always 32):4byte(integer)
	d[3] = temp.length;

	var e = 16;
	// 5. public key bytes of signer:32 bytes
	for (var j = 0; j<temp.length; ++j) { b[e++] = temp[j]; }

	// Transaction
	var i = e / 4;
	// 6.Fee(micro nem):8 byte
	d[i++] = entity['fee'];
	d[i++] = Math.floor((entity['fee'] / 0x100000000));
	// 7.Deadline:4byte(integer)
	d[i++] = entity['deadline'];
	e += 12;
	// Aggregate modification transaction part
	// Number of cosignatory modifications
	d[i++] = entity['modifications'].length;
	e += 4;

	// The following part is repeated for every cosignatory modification
	for(var h = 0; h < entity['modifications'].length;h++) {
		i = e / 4;
		// 1.Length of cosignatory modification structure:4byte(integer)
		d[i++] = 0x28;

		// 2.Modification type:4byte (integer)
		// Add cosignatory:0x01 , Delete cosignatory:0x02
		d[i++] = entity['modifications'][h]['modificationType'];

		// Lenght of cosignatory's public key byte array(always 32):4bytes(integer)
		temp = hex2ua(entity['modifications'][h]['cosignatoryAccount']);
		d[i++] = temp.length;
		e += 12;
		// Public key bytes of cosignatory:32bytes		console.log("cosignatoryAccount = " + temp);
		for (var j = 0; j<temp.length; ++j) { b[e++] = temp[j]; }
	}
	i = e / 4;
	// Length of minimum cosignatories modification structure:4bytes(integer)
	d[i++] = 4;
	// Relative change : 4bytes(integer)
	d[i++] = entity['minCosignatories']['relativeChange'];
	e += 8;

	return new Uint8Array(r, 0, e);
}