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contract_delete_transaction.go
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package hedera
/*-
*
* Hedera Go SDK
*
* Copyright (C) 2020 - 2024 Hedera Hashgraph, LLC
*
* 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 (
"github.com/hashgraph/hedera-protobufs-go/services"
"time"
)
// ContractDeleteTransaction marks a contract as deleted and transfers its remaining hBars, if any, to a
// designated receiver. After a contract is deleted, it can no longer be called.
type ContractDeleteTransaction struct {
Transaction
contractID *ContractID
transferContactID *ContractID
transferAccountID *AccountID
permanentRemoval bool
}
// NewContractDeleteTransaction creates ContractDeleteTransaction which marks a contract as deleted and transfers its remaining hBars, if any, to a
// designated receiver. After a contract is deleted, it can no longer be called.
func NewContractDeleteTransaction() *ContractDeleteTransaction {
tx := ContractDeleteTransaction{
Transaction: _NewTransaction(),
}
tx._SetDefaultMaxTransactionFee(NewHbar(2))
return &tx
}
func _ContractDeleteTransactionFromProtobuf(tx Transaction, pb *services.TransactionBody) *ContractDeleteTransaction {
return &ContractDeleteTransaction{
Transaction: tx,
contractID: _ContractIDFromProtobuf(pb.GetContractDeleteInstance().GetContractID()),
transferContactID: _ContractIDFromProtobuf(pb.GetContractDeleteInstance().GetTransferContractID()),
transferAccountID: _AccountIDFromProtobuf(pb.GetContractDeleteInstance().GetTransferAccountID()),
permanentRemoval: pb.GetContractDeleteInstance().GetPermanentRemoval(),
}
}
// Sets the contract ID which will be deleted.
func (tx *ContractDeleteTransaction) SetContractID(contractID ContractID) *ContractDeleteTransaction {
tx._RequireNotFrozen()
tx.contractID = &contractID
return tx
}
// Returns the contract ID which will be deleted.
func (tx *ContractDeleteTransaction) GetContractID() ContractID {
if tx.contractID == nil {
return ContractID{}
}
return *tx.contractID
}
// Sets the contract ID which will receive all remaining hbars.
func (tx *ContractDeleteTransaction) SetTransferContractID(transferContactID ContractID) *ContractDeleteTransaction {
tx._RequireNotFrozen()
tx.transferContactID = &transferContactID
return tx
}
// Returns the contract ID which will receive all remaining hbars.
func (tx *ContractDeleteTransaction) GetTransferContractID() ContractID {
if tx.transferContactID == nil {
return ContractID{}
}
return *tx.transferContactID
}
// Sets the account ID which will receive all remaining hbars.
func (tx *ContractDeleteTransaction) SetTransferAccountID(accountID AccountID) *ContractDeleteTransaction {
tx._RequireNotFrozen()
tx.transferAccountID = &accountID
return tx
}
// Returns the account ID which will receive all remaining hbars.
func (tx *ContractDeleteTransaction) GetTransferAccountID() AccountID {
if tx.transferAccountID == nil {
return AccountID{}
}
return *tx.transferAccountID
}
// SetPermanentRemoval
// If set to true, means this is a "synthetic" system transaction being used to
// alert mirror nodes that the contract is being permanently removed from the ledger.
// IMPORTANT: User transactions cannot set this field to true, as permanent
// removal is always managed by the ledger itself. Any ContractDeleteTransaction
// submitted to HAPI with permanent_removal=true will be rejected with precheck status
// PERMANENT_REMOVAL_REQUIRES_SYSTEM_INITIATION.
func (tx *ContractDeleteTransaction) SetPermanentRemoval(remove bool) *ContractDeleteTransaction {
tx._RequireNotFrozen()
tx.permanentRemoval = remove
return tx
}
// GetPermanentRemoval returns true if this is a "synthetic" system transaction.
func (tx *ContractDeleteTransaction) GetPermanentRemoval() bool {
return tx.permanentRemoval
}
// ---- Required Interfaces ---- //
// Sign uses the provided privateKey to sign the transaction.
func (tx *ContractDeleteTransaction) Sign(
privateKey PrivateKey,
) *ContractDeleteTransaction {
tx.Transaction.Sign(privateKey)
return tx
}
// SignWithOperator signs the transaction with client's operator privateKey.
func (tx *ContractDeleteTransaction) SignWithOperator(
client *Client,
) (*ContractDeleteTransaction, error) {
_, err := tx.Transaction.signWithOperator(client, tx)
if err != nil {
return nil, err
}
return tx, nil
}
// SignWith executes the TransactionSigner and adds the resulting signature data to the Transaction's signature map
// with the publicKey as the map key.
func (tx *ContractDeleteTransaction) SignWith(
publicKey PublicKey,
signer TransactionSigner,
) *ContractDeleteTransaction {
tx.Transaction.SignWith(publicKey, signer)
return tx
}
func (tx *ContractDeleteTransaction) AddSignature(publicKey PublicKey, signature []byte) *ContractDeleteTransaction {
tx.Transaction.AddSignature(publicKey, signature)
return tx
}
// When execution is attempted, a single attempt will timeout when tx deadline is reached. (The SDK may subsequently retry the execution.)
func (tx *ContractDeleteTransaction) SetGrpcDeadline(deadline *time.Duration) *ContractDeleteTransaction {
tx.Transaction.SetGrpcDeadline(deadline)
return tx
}
func (tx *ContractDeleteTransaction) Freeze() (*ContractDeleteTransaction, error) {
return tx.FreezeWith(nil)
}
func (tx *ContractDeleteTransaction) FreezeWith(client *Client) (*ContractDeleteTransaction, error) {
_, err := tx.Transaction.freezeWith(client, tx)
return tx, err
}
// SetMaxTransactionFee sets the maximum transaction fee the operator (paying account) is willing to pay.
func (tx *ContractDeleteTransaction) SetMaxTransactionFee(fee Hbar) *ContractDeleteTransaction {
tx._RequireNotFrozen()
tx.Transaction.SetMaxTransactionFee(fee)
return tx
}
// SetRegenerateTransactionID sets if transaction IDs should be regenerated when `TRANSACTION_EXPIRED` is received
func (tx *ContractDeleteTransaction) SetRegenerateTransactionID(regenerateTransactionID bool) *ContractDeleteTransaction {
tx._RequireNotFrozen()
tx.Transaction.SetRegenerateTransactionID(regenerateTransactionID)
return tx
}
// SetTransactionMemo sets the memo for this ContractDeleteTransaction.
func (tx *ContractDeleteTransaction) SetTransactionMemo(memo string) *ContractDeleteTransaction {
tx._RequireNotFrozen()
tx.Transaction.SetTransactionMemo(memo)
return tx
}
// SetTransactionValidDuration sets the valid duration for this ContractDeleteTransaction.
func (tx *ContractDeleteTransaction) SetTransactionValidDuration(duration time.Duration) *ContractDeleteTransaction {
tx._RequireNotFrozen()
tx.Transaction.SetTransactionValidDuration(duration)
return tx
}
// ToBytes serialise the tx to bytes, no matter if it is signed (locked), or not
func (tx *ContractDeleteTransaction) ToBytes() ([]byte, error) {
bytes, err := tx.Transaction.toBytes(tx)
if err != nil {
return nil, err
}
return bytes, nil
}
// SetTransactionID sets the TransactionID for this ContractDeleteTransaction.
func (tx *ContractDeleteTransaction) SetTransactionID(transactionID TransactionID) *ContractDeleteTransaction {
tx._RequireNotFrozen()
tx.Transaction.SetTransactionID(transactionID)
return tx
}
// SetNodeAccountIDs sets the _Node AccountID for this ContractDeleteTransaction.
func (tx *ContractDeleteTransaction) SetNodeAccountIDs(nodeID []AccountID) *ContractDeleteTransaction {
tx._RequireNotFrozen()
tx.Transaction.SetNodeAccountIDs(nodeID)
return tx
}
// SetMaxRetry sets the max number of errors before execution will fail.
func (tx *ContractDeleteTransaction) SetMaxRetry(count int) *ContractDeleteTransaction {
tx.Transaction.SetMaxRetry(count)
return tx
}
// SetMaxBackoff The maximum amount of time to wait between retries.
// Every retry attempt will increase the wait time exponentially until it reaches this time.
func (tx *ContractDeleteTransaction) SetMaxBackoff(max time.Duration) *ContractDeleteTransaction {
tx.Transaction.SetMaxBackoff(max)
return tx
}
// SetMinBackoff sets the minimum amount of time to wait between retries.
func (tx *ContractDeleteTransaction) SetMinBackoff(min time.Duration) *ContractDeleteTransaction {
tx.Transaction.SetMinBackoff(min)
return tx
}
func (tx *ContractDeleteTransaction) SetLogLevel(level LogLevel) *ContractDeleteTransaction {
tx.Transaction.SetLogLevel(level)
return tx
}
func (tx *ContractDeleteTransaction) Execute(client *Client) (TransactionResponse, error) {
return tx.Transaction.execute(client, tx)
}
func (tx *ContractDeleteTransaction) Schedule() (*ScheduleCreateTransaction, error) {
return tx.Transaction.schedule(tx)
}
// ----------- Overridden functions ----------------
func (tx *ContractDeleteTransaction) getName() string {
return "ContractDeleteTransaction"
}
func (tx *ContractDeleteTransaction) validateNetworkOnIDs(client *Client) error {
if client == nil || !client.autoValidateChecksums {
return nil
}
if tx.contractID != nil {
if err := tx.contractID.ValidateChecksum(client); err != nil {
return err
}
}
if tx.transferContactID != nil {
if err := tx.transferContactID.ValidateChecksum(client); err != nil {
return err
}
}
if tx.transferAccountID != nil {
if err := tx.transferAccountID.ValidateChecksum(client); err != nil {
return err
}
}
return nil
}
func (tx *ContractDeleteTransaction) build() *services.TransactionBody {
pb := services.TransactionBody{
TransactionFee: tx.transactionFee,
Memo: tx.Transaction.memo,
TransactionValidDuration: _DurationToProtobuf(tx.GetTransactionValidDuration()),
TransactionID: tx.transactionID._ToProtobuf(),
Data: &services.TransactionBody_ContractDeleteInstance{
ContractDeleteInstance: tx.buildProtoBody(),
},
}
return &pb
}
func (tx *ContractDeleteTransaction) buildProtoBody() *services.ContractDeleteTransactionBody {
body := &services.ContractDeleteTransactionBody{
PermanentRemoval: tx.permanentRemoval,
}
if tx.contractID != nil {
body.ContractID = tx.contractID._ToProtobuf()
}
if tx.transferContactID != nil {
body.Obtainers = &services.ContractDeleteTransactionBody_TransferContractID{
TransferContractID: tx.transferContactID._ToProtobuf(),
}
}
if tx.transferAccountID != nil {
body.Obtainers = &services.ContractDeleteTransactionBody_TransferAccountID{
TransferAccountID: tx.transferAccountID._ToProtobuf(),
}
}
return body
}
func (tx *ContractDeleteTransaction) buildScheduled() (*services.SchedulableTransactionBody, error) {
return &services.SchedulableTransactionBody{
TransactionFee: tx.transactionFee,
Memo: tx.Transaction.memo,
Data: &services.SchedulableTransactionBody_ContractDeleteInstance{
ContractDeleteInstance: tx.buildProtoBody(),
},
}, nil
}
func (tx *ContractDeleteTransaction) getMethod(channel *_Channel) _Method {
return _Method{
transaction: channel._GetContract().DeleteContract,
}
}
func (tx *ContractDeleteTransaction) _ConstructScheduleProtobuf() (*services.SchedulableTransactionBody, error) {
return tx.buildScheduled()
}