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qortal-ui/qortal-ui-crypto/api/transactions/chat/ChatTransaction.js
AlphaX-Projects 2f823927a5 Initial commit
2021-12-25 14:39:47 +01:00

78 lines
2.6 KiB
JavaScript

"use strict";
import ChatBase from "./ChatBase.js"
import nacl from '../../deps/nacl-fast.js'
import ed2curve from '../../deps/ed2curve.js'
import { Sha256 } from 'asmcrypto.js'
export default class ChatTransaction extends ChatBase {
constructor() {
super();
this.type = 18
this.fee = 0
}
set recipientPublicKey(recipientPublicKey) {
this._base58RecipientPublicKey = recipientPublicKey instanceof Uint8Array ? this.constructor.Base58.encode(recipientPublicKey) : recipientPublicKey
this._recipientPublicKey = this.constructor.Base58.decode(this._base58RecipientPublicKey)
}
set proofOfWorkNonce(proofOfWorkNonce) {
this._proofOfWorkNonce = this.constructor.utils.int32ToBytes(proofOfWorkNonce)
}
set recipient(recipient) {
this._recipient = recipient instanceof Uint8Array ? recipient : this.constructor.Base58.decode(recipient)
this._hasReceipient = new Uint8Array(1)
this._hasReceipient[0] = 1
}
set message(message) {
this.messageText = message;
this._message = this.constructor.utils.stringtoUTF8Array(message)
this._messageLength = this.constructor.utils.int32ToBytes(this._message.length)
}
set isEncrypted(isEncrypted) {
this._isEncrypted = new Uint8Array(1);
this._isEncrypted[0] = isEncrypted;
if (isEncrypted === 1) {
const convertedPrivateKey = ed2curve.convertSecretKey(this._keyPair.privateKey)
const convertedPublicKey = ed2curve.convertPublicKey(this._recipientPublicKey)
const sharedSecret = new Uint8Array(32);
nacl.lowlevel.crypto_scalarmult(sharedSecret, convertedPrivateKey, convertedPublicKey);
this._chatEncryptionSeed = new Sha256().process(sharedSecret).finish().result
this._encryptedMessage = nacl.secretbox(this._message, this._lastReference.slice(0, 24), this._chatEncryptionSeed)
}
this._myMessage = isEncrypted === 1 ? this._encryptedMessage : this._message
this._myMessageLenth = isEncrypted === 1 ? this.constructor.utils.int32ToBytes(this._myMessage.length) : this._messageLength
}
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._recipient,
this._myMessageLenth,
this._myMessage,
this._isEncrypted,
this._isText,
this._feeBytes
)
return params;
}
}