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AccountKeyLinkTransaction.ts
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AccountKeyLinkTransaction.ts
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/*
* Copyright 2019 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 {
AccountKeyLinkTransactionBuilder,
AmountDto,
EmbeddedAccountKeyLinkTransactionBuilder,
EmbeddedTransactionBuilder,
KeyDto,
TimestampDto,
TransactionBuilder,
} from 'catbuffer-typescript';
import { Convert } from '../../core/format';
import { Address, PublicAccount, UnresolvedAddress } from '../account';
import { NetworkType } from '../network';
import { UInt64 } from '../UInt64';
import { Deadline } from './Deadline';
import { InnerTransaction } from './InnerTransaction';
import { LinkAction } from './LinkAction';
import { Transaction } from './Transaction';
import { TransactionInfo } from './TransactionInfo';
import { TransactionType } from './TransactionType';
import { TransactionVersion } from './TransactionVersion';
/**
* Announce an AccountKeyLinkTransaction to delegate the account importance to a proxy account.
* By doing so, you can enable delegated harvesting
*/
export class AccountKeyLinkTransaction extends Transaction {
/**
* Create a link account transaction object
* @param deadline - The deadline to include the transaction.
* @param linkedPublicKey - The public key of the remote account.
* @param linkAction - The account link action.
* @param networkType - the network type
* @param maxFee - (Optional) Max fee defined by the sender
* @param signature - (Optional) Transaction signature
* @param signer - (Optional) Signer public account
* @returns {AccountLinkTransaction}
*/
public static create(
deadline: Deadline,
linkedPublicKey: string,
linkAction: LinkAction,
networkType: NetworkType,
maxFee: UInt64 = new UInt64([0, 0]),
signature?: string,
signer?: PublicAccount,
): AccountKeyLinkTransaction {
return new AccountKeyLinkTransaction(
networkType,
TransactionVersion.ACCOUNT_KEY_LINK,
deadline,
maxFee,
linkedPublicKey,
linkAction,
signature,
signer,
);
}
/**
* @param networkType
* @param version
* @param deadline
* @param maxFee
* @param linkedPublicKey
* @param linkAction
* @param signature
* @param signer
* @param transactionInfo
*/
constructor(
networkType: NetworkType,
version: number,
deadline: Deadline,
maxFee: UInt64,
/**
* The public key of the remote account.
*/
public readonly linkedPublicKey: string,
/**
* The account link action.
*/
public readonly linkAction: LinkAction,
signature?: string,
signer?: PublicAccount,
transactionInfo?: TransactionInfo,
) {
super(TransactionType.ACCOUNT_KEY_LINK, networkType, version, deadline, maxFee, signature, signer, transactionInfo);
Convert.validateHexString(linkedPublicKey, 64, 'Invalid linkedPublicKey');
}
/**
* Create a transaction object from payload
* @param {string} payload Binary payload
* @param {Boolean} isEmbedded Is embedded transaction (Default: false)
* @returns {Transaction | InnerTransaction}
*/
public static createFromPayload(payload: string, isEmbedded = false): Transaction | InnerTransaction {
const builder = isEmbedded
? EmbeddedAccountKeyLinkTransactionBuilder.loadFromBinary(Convert.hexToUint8(payload))
: AccountKeyLinkTransactionBuilder.loadFromBinary(Convert.hexToUint8(payload));
const signerPublicKey = Convert.uint8ToHex(builder.getSignerPublicKey().key);
const networkType = builder.getNetwork().valueOf();
const signature = Transaction.getSignatureFromPayload(payload, isEmbedded);
const transaction = AccountKeyLinkTransaction.create(
isEmbedded
? Deadline.createEmtpy()
: Deadline.createFromDTO((builder as AccountKeyLinkTransactionBuilder).getDeadline().timestamp),
Convert.uint8ToHex(builder.getLinkedPublicKey().key),
builder.getLinkAction().valueOf(),
networkType,
isEmbedded ? new UInt64([0, 0]) : new UInt64((builder as AccountKeyLinkTransactionBuilder).fee.amount),
signature,
signerPublicKey.match(`^[0]+$`) ? undefined : PublicAccount.createFromPublicKey(signerPublicKey, networkType),
);
return isEmbedded ? transaction.toAggregate(PublicAccount.createFromPublicKey(signerPublicKey, networkType)) : transaction;
}
/**
* @internal
* @returns {TransactionBuilder}
*/
protected createBuilder(): TransactionBuilder {
return new AccountKeyLinkTransactionBuilder(
this.getSignatureAsBuilder(),
this.getSignerAsBuilder(),
this.versionToDTO(),
this.networkType.valueOf(),
TransactionType.ACCOUNT_KEY_LINK.valueOf(),
new AmountDto(this.maxFee.toDTO()),
new TimestampDto(this.deadline.toDTO()),
new KeyDto(Convert.hexToUint8(this.linkedPublicKey)),
this.linkAction.valueOf(),
);
}
/**
* @internal
* @returns {EmbeddedTransactionBuilder}
*/
public toEmbeddedTransaction(): EmbeddedTransactionBuilder {
return new EmbeddedAccountKeyLinkTransactionBuilder(
this.getSignerAsBuilder(),
this.versionToDTO(),
this.networkType.valueOf(),
TransactionType.ACCOUNT_KEY_LINK.valueOf(),
new KeyDto(Convert.hexToUint8(this.linkedPublicKey)),
this.linkAction.valueOf(),
);
}
/**
* @internal
* @returns {AccountKeyLinkTransaction}
*/
resolveAliases(): AccountKeyLinkTransaction {
return this;
}
/**
* @internal
* Check a given address should be notified in websocket channels
* @param address address to be notified
* @returns {boolean}
*/
public shouldNotifyAccount(address: UnresolvedAddress): boolean {
return super.isSigned(address) || Address.createFromPublicKey(this.linkedPublicKey, this.networkType).equals(address);
}
}