qortal-ui/crypto/api/transactions/chat/GroupChatTransaction.js

import ChatBase from './ChatBase'
import { CHAT_REFERENCE_FEATURE_TRIGGER_TIMESTAMP } from '../../constants'

export default class GroupChatTransaction extends ChatBase {
	constructor() {
		super();
		this.type = 18
		this.fee = 0
	}

	set proofOfWorkNonce(proofOfWorkNonce) {
		this._proofOfWorkNonce = this.constructor.utils.int32ToBytes(proofOfWorkNonce)
	}

	set hasReceipient(hasReceipient) {
		this._hasReceipient = new Uint8Array(1)
		this._hasReceipient[0] = hasReceipient
	}

	set message(message) {
		this.messageText = message
		this._message = this.constructor.utils.stringtoUTF8Array(message)
		this._messageLength = this.constructor.utils.int32ToBytes(this._message.length)
	}

	set hasChatReference(hasChatReference) {
		this._hasChatReference = new Uint8Array(1)
		this._hasChatReference[0] = hasChatReference
	}

	set chatReference(chatReference) {
		this._chatReference = chatReference instanceof Uint8Array ? chatReference : this.constructor.Base58.decode(chatReference)
	}

	set isEncrypted(isEncrypted) {
		this._isEncrypted = new Uint8Array(1)
		this._isEncrypted[0] = isEncrypted
	}

	set isText(isText) {
		this._isText = new Uint8Array(1)
		this._isText[0] = isText
	}

	get params() {
		const params = super.params
		params.push(
			this._proofOfWorkNonce,
			this._hasReceipient,
			this._messageLength,
			this._message,
			this._isEncrypted,
			this._isText,
			this._feeBytes
		)

		// After the feature trigger timestamp we need to include chat reference
		if (new Date(this._timestamp).getTime() >= CHAT_REFERENCE_FEATURE_TRIGGER_TIMESTAMP) {
			params.push(this._hasChatReference)

			if (this._hasChatReference[0] == 1) {
				params.push(this._chatReference)
			}
		}

		return params
	}
}