qortal-ui/crypto/api/transactions/arbitraryV3.js

(function () {
	function generateSignatureArbitraryTransactionV3(keyPair, lastReference, service, arbitraryData, fee, timestamp) => {
		const data = generateArbitraryTransactionV3Base(keyPair.publicKey, lastReference, service, arbitraryData, fee, timestamp)
		return nacl.sign.detached(data, keyPair.privateKey)
	}

	function generateArbitraryTransactionV3(keyPair, lastReference, service, arbitraryData, fee, timestamp, signature) => {
		return appendBuffer(generateArbitraryTransactionV3Base(keyPair.publicKey, lastReference, service, arbitraryData, fee, timestamp), signature)
	}

	function generateArbitraryTransactionV3Base(publicKey, lastReference, service, arbitraryData, fee, timestamp) => {
		const txType = TYPES.ARBITRARY_TRANSACTION
		const typeBytes = int32ToBytes(txType)
		const timestampBytes = int64ToBytes(timestamp)
		const feeBytes = int64ToBytes(fee * 100000000)
		const serviceBytes = int32ToBytes(service)
		const dataSizeBytes = int32ToBytes(arbitraryData.length)
		const paymentsLengthBytes = int32ToBytes(0)  // Support payments - not yet.

		var data = new Uint8Array()

		data = appendBuffer(data, typeBytes)
		data = appendBuffer(data, timestampBytes)
		data = appendBuffer(data, lastReference)
		data = appendBuffer(data, publicKey)
		data = appendBuffer(data, paymentsLengthBytes)

		// Here it is necessary to insert the payments, if there are
		data = appendBuffer(data, serviceBytes)
		data = appendBuffer(data, dataSizeBytes)
		data = appendBuffer(data, arbitraryData)
		data = appendBuffer(data, feeBytes)

		return data
	}
}())