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PersistentDelegationRequestTransaction message bug fix (#709)
* Fixed message parsing from dto and buffer
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| /* | ||
| * Copyright 2020 NEM | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| import { Convert } from '../../core/format'; | ||
| import { EncryptedMessage } from './EncryptedMessage'; | ||
| import { Message } from './Message'; | ||
| import { MessageMarker } from './MessageMarker'; | ||
| import { MessageType } from './MessageType'; | ||
| import { PersistentHarvestingDelegationMessage } from './PersistentHarvestingDelegationMessage'; | ||
| import { PlainMessage } from './PlainMessage'; | ||
| import { RawMessage } from './RawMessage'; | ||
|
|
||
| /** | ||
| * Objects that knows how to create messages from serialized payloads. | ||
| * | ||
| * Note: this could be in the Message class but the circular dependency breaks Typescript. | ||
| */ | ||
| export class MessageFactory { | ||
| /** | ||
| * It creates a message from the byte array payload | ||
| * @param payload the payload as byte array | ||
| */ | ||
| public static createMessageFromBuffer(payload?: Uint8Array): Message { | ||
| return this.createMessageFromHex(payload ? Convert.uint8ToHex(payload) : undefined); | ||
| } | ||
| /** | ||
| * It creates a message from the hex payload | ||
| * @param payload the payload as byte array | ||
| */ | ||
| public static createMessageFromHex(payload?: string): Message { | ||
| if (!payload || !payload.length) { | ||
| return new RawMessage(''); | ||
| } | ||
| if (payload.length == 264 && payload.startsWith(MessageMarker.PersistentDelegationUnlock)) { | ||
| return new PersistentHarvestingDelegationMessage(payload); | ||
| } | ||
| const messageType = Convert.hexToUint8(payload)[0]; | ||
| switch (messageType) { | ||
| case MessageType.PlainMessage: | ||
| return new PlainMessage(Message.decodeHex(payload.substring(2))); | ||
| case MessageType.EncryptedMessage: | ||
| return new EncryptedMessage(Message.decodeHex(payload.substring(2))); | ||
| } | ||
| return new RawMessage(payload); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Raw message containing an empty string without any type or prefix. | ||
| * @type {PlainMessage} | ||
| */ | ||
| export const EmptyMessage: Message = MessageFactory.createMessageFromBuffer(); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| /* | ||
| * Copyright 2018 NEM | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| import { Convert } from '../../core/format'; | ||
| import { Message } from './Message'; | ||
| import { MessageType } from './MessageType'; | ||
|
|
||
| /** | ||
| * The a raw message that doesn't assume any prefix. | ||
| */ | ||
| export class RawMessage extends Message { | ||
| /** | ||
| * Create plain message object. | ||
| * @returns PlainMessage | ||
| */ | ||
| public static create(payload: Uint8Array): RawMessage { | ||
| return new RawMessage(Convert.uint8ToHex(payload)); | ||
| } | ||
| /** | ||
| * @internal | ||
| * @param payload | ||
| */ | ||
| constructor(payload: string) { | ||
| super(MessageType.RawMessage, payload); | ||
| } | ||
| } |
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