/// <summary>
/// Retrieves the records associated with an contract that are presently
/// held within the network.
/// </summary>
/// <param name="contract">
/// The Hedera Network Contract Address to retrieve associated records.
/// </param>
/// <param name="configure">
/// Optional callback method providing an opportunity to modify
/// the execution configuration for just this method call.
/// It is executed prior to submitting the request to the network.
/// </param>
/// <returns>
/// A detailed description of the account.
/// </returns>
/// <exception cref="ArgumentOutOfRangeException">If required arguments are missing.</exception>
/// <exception cref="InvalidOperationException">If required context configuration is missing.</exception>
/// <exception cref="PrecheckException">If the gateway node create rejected the request upon submission.</exception>
public async Task <TransactionRecord[]> GetContractRecordsAsync(Address contract, Action <IContext>?configure = null)
{
contract = RequireInputParameter.Contract(contract);
var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var transfers = Transactions.CreateCryptoTransferList((payer, -context.FeeLimit), (gateway, context.FeeLimit));
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateCryptoTransferTransactionBody(context, transfers, transactionId, "Get Contract Records");
var query = new Query
{
ContractGetRecords = new ContractGetRecordsQuery
{
Header = Transactions.SignQueryHeader(transactionBody, payer),
ContractID = Protobuf.ToContractID(contract)
}
};
var response = await Transactions.ExecuteRequestWithRetryAsync(context, query, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, getResponseCode(response));
return(response.ContractGetRecordsResponse.Records.Select(record =>
{
var result = new TransactionRecord();
Protobuf.FillRecordProperties(record, result);
return result;
}).ToArray());
/// <summary>
/// Deletes an account from the network returning the remaining
/// crypto balance to the specified account. Must be signed
/// by the account being deleted.
/// </summary>
/// <param name="accountToDelete">
/// The account that will be deleted.
/// </param>
/// <param name="transferToAddress">
/// The account that will receive any remaining balance from the deleted account.
/// </param>
/// <param name="configure">
/// Optional callback method providing an opportunity to modify
/// the execution configuration for just this method call.
/// It is executed prior to submitting the request to the network.
/// </param>
/// <returns>
/// A transaction receipt indicating a successful operation.
/// </returns>
/// <exception cref="ArgumentOutOfRangeException">If required arguments are missing.</exception>
/// <exception cref="InvalidOperationException">If required context configuration is missing.</exception>
/// <exception cref="PrecheckException">If the gateway node create rejected the request upon submission.</exception>
/// <exception cref="ConsensusException">If the network was unable to come to consensus before the duration of the transaction expired.</exception>
/// <exception cref="TransactionException">If the network rejected the create request as invalid or had missing data.</exception>
public async Task <TransactionReceipt> DeleteAccountAsync(Account accountToDelete, Address transferToAddress, Action <IContext>?configure = null)
{
accountToDelete = RequireInputParameter.AccountToDelete(accountToDelete);
transferToAddress = RequireInputParameter.TransferToAddress(transferToAddress);
var context = CreateChildContext(configure);
RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateEmptyTransactionBody(context, transactionId, "Delete Account");
transactionBody.CryptoDelete = new CryptoDeleteTransactionBody
{
DeleteAccountID = Protobuf.ToAccountID(accountToDelete),
TransferAccountID = Protobuf.ToAccountID(transferToAddress)
};
var request = Transactions.SignTransaction(transactionBody, accountToDelete, payer);
var precheck = await Transactions.ExecuteRequestWithRetryAsync(context, request, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, precheck.NodeTransactionPrecheckCode);
var receipt = await GetReceiptAsync(context, transactionId);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to delete account, status: {receipt.Status}", Protobuf.FromTransactionId(transactionId), (ResponseCode)receipt.Status);
}
var result = new TransactionReceipt();
Protobuf.FillReceiptProperties(transactionId, receipt, result);
return(result);
/// <summary>
/// Internal implementation of delete topic method.
/// </summary>
private async Task <TransactionReceipt> DeleteTopicImplementationAsync(Address topicToDelete, Signatory?signatory, Action <IContext>?configure)
{
topicToDelete = RequireInputParameter.AddressToDelete(topicToDelete);
await using var context = CreateChildContext(configure);
RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatories = Transactions.GatherSignatories(context, signatory);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateTransactionBody(context, transactionId);
transactionBody.ConsensusDeleteTopic = new ConsensusDeleteTopicTransactionBody
{
TopicID = Protobuf.ToTopicID(topicToDelete)
};
var request = await Transactions.SignTransactionAsync(transactionBody, signatories);
var precheck = await Transactions.ExecuteSignedRequestWithRetryAsync(context, request, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, precheck);
var receipt = await GetReceiptAsync(context, transactionId);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to Delete Topic, status: {receipt.Status}", Protobuf.FromTransactionId(transactionId), (ResponseCode)receipt.Status);
}
var result = new TransactionReceipt();
Protobuf.FillReceiptProperties(transactionId, receipt, result);
return(result);
/// <summary>
/// Retrieves the network address associated with the specified smart contract id.
/// </summary>
/// <param name="smartContractId">
/// The smart contract ID to look up.
/// </param>
/// <param name="configure">
/// Optional callback method providing an opportunity to modify
/// the execution configuration for just this method call.
/// It is executed prior to submitting the request to the network.
/// </param>
/// <returns>
/// The network address associated with the smart contract ID.
/// </returns>
/// <exception cref="ArgumentOutOfRangeException">If required arguments are missing.</exception>
/// <exception cref="InvalidOperationException">If required context configuration is missing.</exception>
/// <exception cref="PrecheckException">If the gateway node create rejected the request upon submission.</exception>
public async Task <Address> GetAddressFromSmartContractId(string smartContractId, Action <IContext>?configure = null)
{
smartContractId = RequireInputParameter.SmartContractId(smartContractId);
var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var transfers = Transactions.CreateCryptoTransferList((payer, -context.FeeLimit), (gateway, context.FeeLimit));
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateCryptoTransferTransactionBody(context, transfers, transactionId, "Get Contract By Solidity ID");
var query = new Query
{
GetBySolidityID = new GetBySolidityIDQuery
{
Header = Transactions.SignQueryHeader(transactionBody, payer),
SolidityID = smartContractId
}
};
var response = await Transactions.ExecuteRequestWithRetryAsync(context, query, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, getResponseCode(response));
var data = response.GetBySolidityID;
if (data.ContractID != null)
{
return(Protobuf.FromContractID(data.ContractID));
}
if (data.AccountID != null)
{
return(Protobuf.FromAccountID(data.AccountID));
}
if (data.FileID != null)
{
return(Protobuf.FromFileID(data.FileID));
}
throw new TransactionException($"Address from Smart Contract ID {smartContractId} was not found.", Protobuf.FromTransactionId(transactionId), ResponseCode.Unknown);
/// <summary>
/// Internal implementation of the update Contract functionality.
/// </summary>
private async Task <TResult> UpdateContractImplementationAsync <TResult>(UpdateContractParams updateParameters, Action <IContext>?configure) where TResult : new()
{
updateParameters = RequireInputParameter.UpdateParameters(updateParameters);
await using var context = CreateChildContext(configure);
RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatory = Transactions.GatherSignatories(context, updateParameters.Signatory);
var updateContractBody = new ContractUpdateTransactionBody
{
ContractID = Protobuf.ToContractID(updateParameters.Contract)
};
if (updateParameters.Expiration.HasValue)
{
updateContractBody.ExpirationTime = Protobuf.ToTimestamp(updateParameters.Expiration.Value);
}
if (!(updateParameters.Administrator is null))
{
updateContractBody.AdminKey = Protobuf.ToPublicKey(updateParameters.Administrator);
}
if (updateParameters.RenewPeriod.HasValue)
{
updateContractBody.AutoRenewPeriod = Protobuf.ToDuration(updateParameters.RenewPeriod.Value);
}
if (!(updateParameters.File is null))
{
updateContractBody.FileID = Protobuf.ToFileId(updateParameters.File);
}
if (!string.IsNullOrWhiteSpace(updateParameters.Memo))
{
updateContractBody.Memo = updateParameters.Memo;
}
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateTransactionBody(context, transactionId);
transactionBody.ContractUpdateInstance = updateContractBody;
var request = await Transactions.SignTransactionAsync(transactionBody, signatory);
var precheck = await Transactions.ExecuteSignedRequestWithRetryAsync(context, request, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, precheck);
var receipt = await GetReceiptAsync(context, transactionId);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to update Contract, status: {receipt.Status}", Protobuf.FromTransactionId(transactionId), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is TransactionRecord arec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
Protobuf.FillRecordProperties(record, arec);
}
else if (result is TransactionReceipt arcpt)
{
Protobuf.FillReceiptProperties(transactionId, receipt, arcpt);
}
return(result);
/// <summary>
/// Internal implementation of dissociate method.
/// </summary>
private async Task <TResult> DissociateTokenImplementationAsync <TResult>(TokenID[] tokens, Address account, Signatory?signatory, Action <IContext>?configure) where TResult : new()
{
account = RequireInputParameter.Account(account);
await using var context = CreateChildContext(configure);
RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatories = Transactions.GatherSignatories(context, signatory);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = new TransactionBody(context, transactionId);
transactionBody.TokenDissociate = new TokenDissociateTransactionBody
{
Account = new AccountID(account)
};
transactionBody.TokenDissociate.Tokens.AddRange(tokens);
var receipt = await transactionBody.SignAndExecuteWithRetryAsync(signatories, context);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to Dissociate Token from Account, status: {receipt.Status}", transactionId.ToTxId(), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is TransactionRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
record.FillProperties(rec);
}
else if (result is TransactionReceipt rcpt)
{
receipt.FillProperties(transactionId, rcpt);
}
return(result);
}
/// <summary>
/// Internal helper function implementing the file delete functionality.
/// </summary>
public async Task <TResult> SystemDeleteFileImplementationAsync <TResult>(Address fileToDelete, Signatory?signatory, Action <IContext>?configure = null) where TResult : new()
{
fileToDelete = RequireInputParameter.FileToDelete(fileToDelete);
await using var context = CreateChildContext(configure);
RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatories = Transactions.GatherSignatories(context, signatory);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = new TransactionBody(context, transactionId);
transactionBody.SystemDelete = new SystemDeleteTransactionBody
{
FileID = new FileID(fileToDelete)
};
var receipt = await transactionBody.SignAndExecuteWithRetryAsync(signatories, context);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to delete file, status: {receipt.Status}", transactionId.ToTxId(), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is TransactionRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
record.FillProperties(rec);
}
else if (result is TransactionReceipt rcpt)
{
receipt.FillProperties(transactionId, rcpt);
}
return(result);
}
/// <summary>
/// Set the period of time where the network will suspend will stop creating events
/// and accepting transactions. This can be used to safely shut down
/// the platform for maintenance and for upgrades if the file information is included.
/// </summary>
/// <param name="suspendParameters">
/// The details of the suspend request, includes the time to wait before suspension,
/// the duration of the suspension and optionally to include an update file.
/// </param>
/// <param name="configure">
/// Optional callback method providing an opportunity to modify
/// the execution configuration for just this method call.
/// It is executed prior to submitting the request to the network.
/// </param>
/// <returns>
/// A Submit Message Receipt indicating success.
/// </returns>
/// <exception cref="ArgumentOutOfRangeException">If required arguments are missing.</exception>
/// <exception cref="InvalidOperationException">If required context configuration is missing.</exception>
/// <exception cref="PrecheckException">If the gateway node create rejected the request upon submission.</exception>
/// <exception cref="ConsensusException">If the network was unable to come to consensus before the duration of the transaction expired.</exception>
/// <exception cref="TransactionException">If the network rejected the create request as invalid or had missing data.</exception>
public async Task <TransactionReceipt> SuspendNetworkAsync(SuspendNetworkParams suspendParameters, Action <IContext>?configure = null)
{
suspendParameters = RequireInputParameter.SuspendNetworkParams(suspendParameters);
await using var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatories = Transactions.GatherSignatories(context);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = new TransactionBody(context, transactionId);
var startDate = DateTime.UtcNow.Add(suspendParameters.Starting);
var endDate = startDate.Add(suspendParameters.Duration);
transactionBody.Freeze = new FreezeTransactionBody
{
StartHour = startDate.Hour,
StartMin = startDate.Minute,
EndHour = endDate.Hour,
EndMin = endDate.Minute,
};
if (!suspendParameters.UpdateFile.IsNullOrNone())
{
transactionBody.Freeze.UpdateFile = new FileID(suspendParameters.UpdateFile);
transactionBody.Freeze.FileHash = ByteString.CopyFrom(suspendParameters.UpdateFileHash.Span);
}
var receipt = await transactionBody.SignAndExecuteWithRetryAsync(signatories, context);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Failed to submit suspend/freeze command, status: {receipt.Status}", transactionId.ToTxId(), (ResponseCode)receipt.Status);
}
return(receipt.FillProperties(transactionId, new TransactionReceipt()));
}
/// <summary>
/// Internal implementation of the update Topic functionality.
/// </summary>
private async Task <TResult> UpdateTopicImplementationAsync <TResult>(UpdateTopicParams updateParameters, Action <IContext>?configure) where TResult : new()
{
updateParameters = RequireInputParameter.UpdateParameters(updateParameters);
await using var context = CreateChildContext(configure);
RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatory = Transactions.GatherSignatories(context, updateParameters.Signatory);
var updateTopicBody = new ConsensusUpdateTopicTransactionBody
{
TopicID = new TopicID(updateParameters.Topic)
};
if (updateParameters.Memo != null)
{
updateTopicBody.Memo = updateParameters.Memo;
}
if (!(updateParameters.Administrator is null))
{
updateTopicBody.AdminKey = new Key(updateParameters.Administrator);
}
if (!(updateParameters.Participant is null))
{
updateTopicBody.SubmitKey = new Key(updateParameters.Participant);
}
if (updateParameters.RenewPeriod.HasValue)
{
updateTopicBody.AutoRenewPeriod = new Duration(updateParameters.RenewPeriod.Value);
}
if (!(updateParameters.RenewAccount is null))
{
updateTopicBody.AutoRenewAccount = new AccountID(updateParameters.RenewAccount);
}
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = new TransactionBody(context, transactionId);
transactionBody.ConsensusUpdateTopic = updateTopicBody;
var receipt = await transactionBody.SignAndExecuteWithRetryAsync(signatory, context);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to update Topic, status: {receipt.Status}", transactionId.ToTxId(), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is TransactionRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
record.FillProperties(rec);
}
else if (result is TransactionReceipt rcpt)
{
receipt.FillProperties(transactionId, rcpt);
}
return(result);
}
/// <summary>
/// Internal implementation of the update account functionality.
/// </summary>
private async Task <TResult> UpdateAccountImplementationAsync <TResult>(UpdateAccountParams updateParameters, Action <IContext>?configure) where TResult : new()
{
updateParameters = RequireInputParameter.UpdateParameters(updateParameters);
await using var context = CreateChildContext(configure);
RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var updateAccountBody = new CryptoUpdateTransactionBody
{
AccountIDToUpdate = new AccountID(updateParameters.Address)
};
if (!(updateParameters.Endorsement is null))
{
updateAccountBody.Key = new Key(updateParameters.Endorsement);
}
if (updateParameters.RequireReceiveSignature.HasValue)
{
updateAccountBody.ReceiverSigRequiredWrapper = updateParameters.RequireReceiveSignature.Value;
}
if (updateParameters.AutoRenewPeriod.HasValue)
{
updateAccountBody.AutoRenewPeriod = new Duration(updateParameters.AutoRenewPeriod.Value);
}
if (updateParameters.Expiration.HasValue)
{
updateAccountBody.ExpirationTime = new Timestamp(updateParameters.Expiration.Value);
}
if (!(updateParameters.Proxy is null))
{
updateAccountBody.ProxyAccountID = new AccountID(updateParameters.Proxy);
}
var signatory = Transactions.GatherSignatories(context, updateParameters.Signatory);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = new TransactionBody(context, transactionId);
transactionBody.CryptoUpdateAccount = updateAccountBody;
var receipt = await transactionBody.SignAndExecuteWithRetryAsync(signatory, context);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to update account, status: {receipt.Status}", transactionId.ToTxId(), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is TransactionRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
record.FillProperties(rec);
}
else if (result is TransactionReceipt rcpt)
{
receipt.FillProperties(transactionId, rcpt);
}
return(result);
}
/// <summary>
/// Internal implementation of the submit message call.
/// </summary>
private async Task <TResult> SubmitUnsafeTransactionImplementationAsync <TResult>(ReadOnlyMemory <byte> transaction, Action <IContext>?configure) where TResult : new()
{
var innerTransactionId = RequireInputParameter.IdFromTransactionBytes(transaction);
await using var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatories = Transactions.GatherSignatories(context);
var outerTransactionId = Transactions.GetOrCreateTransactionID(context);
// Note: custom transaction body, does not carry a max fee since
// the inner transaction is the transaction to process, it still
// must be signed however.
var transactionBody = new TransactionBody
{
TransactionID = outerTransactionId,
NodeAccountID = new AccountID(RequireInContext.Gateway(context)),
TransactionValidDuration = new Proto.Duration(context.TransactionDuration),
UncheckedSubmit = new UncheckedSubmitBody {
TransactionBytes = ByteString.CopyFrom(transaction.Span)
}
};
var precheck = await transactionBody.SignAndSubmitWithRetryAsync(signatories, context);
ValidateResult.PreCheck(outerTransactionId, precheck);
// NOTE: The outer transaction ID exists so that the administrative account has something to sign that
// can be verified, however, the transaction never actually exists in the system so there will never be
// a receipt for this submission, however, there will be an attempt to execute the submitted transaction
// as this method bypasses PRECHECK validations. So, there will be a receipt for the inner traction, with
// success or a failure code. Therefore we return the receipt or record for the custom transaction.
var receipt = await Transactions.GetReceiptAsync(context, innerTransactionId);
// Retain standard behavior of throwing an exception if the receipt has an error code.
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Submit Unsafe Transaction failed, status: {receipt.Status}", innerTransactionId.ToTxId(), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is TransactionRecord rec)
{
var record = await GetTransactionRecordAsync(context, innerTransactionId);
record.FillProperties(rec);
}
else if (result is TransactionReceipt rcpt)
{
receipt.FillProperties(innerTransactionId, rcpt);
}
return(result);
}
/// <summary>
/// Internal helper method implementing the file update service.
/// </summary>
public async Task <TResult> UpdateFileImplementationAsync <TResult>(UpdateFileParams updateParameters, Action <IContext>?configure) where TResult : new()
{
updateParameters = RequireInputParameter.UpdateParameters(updateParameters);
await using var context = CreateChildContext(configure);
RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatory = Transactions.GatherSignatories(context, updateParameters.Signatory);
var updateFileBody = new FileUpdateTransactionBody
{
FileID = Protobuf.ToFileId(updateParameters.File)
};
if (!(updateParameters.Endorsements is null))
{
updateFileBody.Keys = Protobuf.ToPublicKeyList(updateParameters.Endorsements);
}
if (updateParameters.Contents.HasValue)
{
updateFileBody.Contents = ByteString.CopyFrom(updateParameters.Contents.Value.ToArray());
}
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateTransactionBody(context, transactionId);
transactionBody.FileUpdate = updateFileBody;
var request = await Transactions.SignTransactionAsync(transactionBody, signatory);
var precheck = await Transactions.ExecuteSignedRequestWithRetryAsync(context, request, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, precheck);
var receipt = await GetReceiptAsync(context, transactionId);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to update file, status: {receipt.Status}", Protobuf.FromTransactionId(transactionId), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is TransactionRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
Protobuf.FillRecordProperties(record, rec);
}
else if (result is TransactionReceipt rcpt)
{
Protobuf.FillReceiptProperties(transactionId, receipt, rcpt);
}
return(result);
/// <summary>
/// Internal implementation for Create Account
/// Returns either a receipt or record or throws
/// an exception.
/// </summary>
private async Task <TResult> CreateAccountImplementationAsync <TResult>(CreateAccountParams createParameters, Action <IContext>?configure) where TResult : new()
{
createParameters = RequireInputParameter.CreateParameters(createParameters);
var context = CreateChildContext(configure);
RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateEmptyTransactionBody(context, transactionId, "Create Account");
// Create Account requires just the 32 bits of the public key, without the prefix.
var publicKeyWithoutPrefix = Keys.ImportPublicEd25519KeyFromBytes(createParameters.PublicKey).Export(KeyBlobFormat.PkixPublicKey).TakeLast(32).ToArray();
transactionBody.CryptoCreateAccount = new CryptoCreateTransactionBody
{
Key = new Proto.Key {
Ed25519 = ByteString.CopyFrom(publicKeyWithoutPrefix)
},
InitialBalance = createParameters.InitialBalance,
SendRecordThreshold = createParameters.SendThresholdCreateRecord,
ReceiveRecordThreshold = createParameters.ReceiveThresholdCreateRecord,
ReceiverSigRequired = createParameters.RequireReceiveSignature,
AutoRenewPeriod = Protobuf.ToDuration(createParameters.AutoRenewPeriod),
};
var request = Transactions.SignTransaction(transactionBody, payer);
var precheck = await Transactions.ExecuteRequestWithRetryAsync(context, request, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, precheck.NodeTransactionPrecheckCode);
var receipt = await GetReceiptAsync(context, transactionId);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to create account, status: {receipt.Status}", Protobuf.FromTransactionId(transactionId), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is AccountReceipt arcpt)
{
Protobuf.FillReceiptProperties(transactionId, receipt, arcpt);
arcpt.Address = Protobuf.FromAccountID(receipt.AccountID);
}
else if (result is AccountRecord arec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
Protobuf.FillRecordProperties(record, arec);
arec.Address = Protobuf.FromAccountID(receipt.AccountID);
}
return(result);
/// <summary>
/// Internal implementation of the Create Token service.
/// </summary>
private async Task <TResult> CreateTokenImplementationAsync <TResult>(CreateTokenParams createParameters, Action <IContext>?configure) where TResult : new()
{
createParameters = RequireInputParameter.CreateParameters(createParameters);
await using var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatory = Transactions.GatherSignatories(context, createParameters.Signatory);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = new TransactionBody(context, transactionId);
transactionBody.TokenCreation = new TokenCreateTransactionBody
{
Name = createParameters.Name,
Symbol = createParameters.Symbol,
InitialSupply = createParameters.Circulation,
Decimals = createParameters.Decimals,
Treasury = new AccountID(createParameters.Treasury),
AdminKey = createParameters.Administrator.IsNullOrNone() ? null : new Key(createParameters.Administrator),
KycKey = createParameters.GrantKycEndorsement.IsNullOrNone() ? null : new Key(createParameters.GrantKycEndorsement),
FreezeKey = createParameters.SuspendEndorsement.IsNullOrNone() ? null : new Key(createParameters.SuspendEndorsement),
WipeKey = createParameters.ConfiscateEndorsement.IsNullOrNone() ? null : new Key(createParameters.ConfiscateEndorsement),
SupplyKey = createParameters.SupplyEndorsement.IsNullOrNone() ? null : new Key(createParameters.SupplyEndorsement),
FreezeDefault = createParameters.InitializeSuspended,
Expiry = new Timestamp(createParameters.Expiration),
AutoRenewAccount = createParameters.RenewAccount.IsNullOrNone() ? null : new AccountID(createParameters.RenewAccount),
AutoRenewPeriod = createParameters.RenewPeriod.HasValue ? new Duration(createParameters.RenewPeriod.Value) : null
};
var receipt = await transactionBody.SignAndExecuteWithRetryAsync(signatory, context);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to create Token, status: {receipt.Status}", transactionId.ToTxId(), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is CreateTokenRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
record.FillProperties(rec);
}
else if (result is CreateTokenReceipt rcpt)
{
receipt.FillProperties(transactionId, rcpt);
}
return(result);
}
/// <summary>
/// Internal implementation for Create Account
/// Returns either a receipt or record or throws
/// an exception.
/// </summary>
private async Task <TResult> CreateAccountImplementationAsync <TResult>(CreateAccountParams createParameters, Action <IContext>?configure) where TResult : new()
{
var publicKey = RequireInputParameter.KeysFromEndorsements(createParameters);
await using var context = CreateChildContext(configure);
RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatories = Transactions.GatherSignatories(context, createParameters.Signatory);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateTransactionBody(context, transactionId);
transactionBody.CryptoCreateAccount = new CryptoCreateTransactionBody
{
Key = publicKey,
InitialBalance = createParameters.InitialBalance,
SendRecordThreshold = createParameters.SendThresholdCreateRecord,
ReceiveRecordThreshold = createParameters.ReceiveThresholdCreateRecord,
ReceiverSigRequired = createParameters.RequireReceiveSignature,
AutoRenewPeriod = Protobuf.ToDuration(createParameters.AutoRenewPeriod),
ProxyAccountID = createParameters.Proxy is null ? null : Protobuf.ToAccountID(createParameters.Proxy),
};
var request = await Transactions.SignTransactionAsync(transactionBody, signatories);
var precheck = await Transactions.ExecuteSignedRequestWithRetryAsync(context, request, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, precheck);
var receipt = await GetReceiptAsync(context, transactionId);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to create account, status: {receipt.Status}", Protobuf.FromTransactionId(transactionId), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is CreateAccountRecord arec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
Protobuf.FillRecordProperties(record, arec);
arec.Address = Protobuf.FromAccountID(receipt.AccountID);
}
else if (result is CreateAccountReceipt arcpt)
{
Protobuf.FillReceiptProperties(transactionId, receipt, arcpt);
arcpt.Address = Protobuf.FromAccountID(receipt.AccountID);
}
return(result);
/// <summary>
/// Internal Create Contract Implementation
/// </summary>
public async Task <TResult> CreateContractImplementationAsync <TResult>(CreateContractParams createParameters, Action <IContext>?configure) where TResult : new()
{
createParameters = RequireInputParameter.CreateParameters(createParameters);
await using var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatory = Transactions.GatherSignatories(context, createParameters.Signatory);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateTransactionBody(context, transactionId);
transactionBody.ContractCreateInstance = new ContractCreateTransactionBody
{
FileID = Protobuf.ToFileId(createParameters.File),
AdminKey = createParameters.Administrator is null ? null : Protobuf.ToPublicKey(createParameters.Administrator),
Gas = createParameters.Gas,
InitialBalance = createParameters.InitialBalance,
AutoRenewPeriod = Protobuf.ToDuration(createParameters.RenewPeriod),
ConstructorParameters = ByteString.CopyFrom(Abi.EncodeArguments(createParameters.Arguments).ToArray()),
Memo = context.Memo ?? ""
};
var request = await Transactions.SignTransactionAsync(transactionBody, signatory);
var precheck = await Transactions.ExecuteSignedRequestWithRetryAsync(context, request, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, precheck);
var receipt = await GetReceiptAsync(context, transactionId);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to create contract, status: {receipt.Status}", Protobuf.FromTransactionId(transactionId), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is CreateContractRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
Protobuf.FillRecordProperties(record, rec);
rec.Contract = Protobuf.FromContractID(receipt.ContractID);
}
else if (result is CreateContractReceipt rcpt)
{
Protobuf.FillReceiptProperties(transactionId, receipt, rcpt);
rcpt.Contract = Protobuf.FromContractID(receipt.ContractID);
}
return(result);
/// <summary>
/// Internal implementation of the Create ConsensusTopic service.
/// </summary>
private async Task <TResult> CreateTopicImplementationAsync <TResult>(CreateTopicParams createParameters, Action <IContext>?configure) where TResult : new()
{
createParameters = RequireInputParameter.CreateParameters(createParameters);
await using var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatory = Transactions.GatherSignatories(context, createParameters.Signatory);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateTransactionBody(context, transactionId);
transactionBody.ConsensusCreateTopic = new ConsensusCreateTopicTransactionBody
{
Memo = createParameters.Memo,
AdminKey = createParameters.Administrator is null ? null : Protobuf.ToPublicKey(createParameters.Administrator),
SubmitKey = createParameters.Participant is null ? null : Protobuf.ToPublicKey(createParameters.Participant),
AutoRenewPeriod = Protobuf.ToDuration(createParameters.RenewPeriod),
AutoRenewAccount = createParameters.RenewAccount is null ? null : Protobuf.ToAccountID(createParameters.RenewAccount)
};
var request = await Transactions.SignTransactionAsync(transactionBody, signatory);
var precheck = await Transactions.ExecuteSignedRequestWithRetryAsync(context, request, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, precheck);
var receipt = await GetReceiptAsync(context, transactionId);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to create Consensus Topic, status: {receipt.Status}", Protobuf.FromTransactionId(transactionId), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is CreateTopicRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
Protobuf.FillRecordProperties(record, rec);
rec.Topic = Protobuf.FromTopicID(receipt.TopicID);
}
else if (result is CreateTopicReceipt rcpt)
{
Protobuf.FillReceiptProperties(transactionId, receipt, rcpt);
rcpt.Topic = Protobuf.FromTopicID(receipt.TopicID);
}
return(result);
/// <summary>
/// Internal helper method implementing the file update service.
/// </summary>
public async Task <TResult> UpdateFileImplementationAsync <TResult>(UpdateFileParams updateParameters, Action <IContext>?configure) where TResult : new()
{
updateParameters = RequireInputParameter.UpdateParameters(updateParameters);
await using var context = CreateChildContext(configure);
RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatory = Transactions.GatherSignatories(context, updateParameters.Signatory);
var updateFileBody = new FileUpdateTransactionBody
{
FileID = new FileID(updateParameters.File)
};
if (!(updateParameters.Endorsements is null))
{
updateFileBody.Keys = new KeyList(updateParameters.Endorsements);
}
if (updateParameters.Contents.HasValue)
{
updateFileBody.Contents = ByteString.CopyFrom(updateParameters.Contents.Value.ToArray());
}
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = new TransactionBody(context, transactionId);
transactionBody.FileUpdate = updateFileBody;
var receipt = await transactionBody.SignAndExecuteWithRetryAsync(signatory, context);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to update file, status: {receipt.Status}", transactionId.ToTxId(), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is TransactionRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
record.FillProperties(rec);
}
else if (result is TransactionReceipt rcpt)
{
receipt.FillProperties(transactionId, rcpt);
}
return(result);
}
/// <summary>
/// Internal implementation of the contract call method.
/// </summary>
private async Task <TResult> SubmitMessageImplementationAsync <TResult>(Address topic, ReadOnlyMemory <byte> message, Signatory?signatory, Action <IContext>?configure) where TResult : new()
{
topic = RequireInputParameter.Topic(topic);
message = RequireInputParameter.Message(message);
await using var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatories = Transactions.GatherSignatories(context, signatory);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateTransactionBody(context, transactionId);
transactionBody.ConsensusSubmitMessage = new ConsensusSubmitMessageTransactionBody
{
TopicID = Protobuf.ToTopicID(topic),
Message = ByteString.CopyFrom(message.Span)
};
var request = await Transactions.SignTransactionAsync(transactionBody, signatories);
var precheck = await Transactions.ExecuteSignedRequestWithRetryAsync(context, request, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, precheck);
var receipt = await GetReceiptAsync(context, transactionId);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Submit Message failed, status: {receipt.Status}", Protobuf.FromTransactionId(transactionId), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is SubmitMessageRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
Protobuf.FillRecordProperties(record, rec);
rec.RunningHash = receipt.TopicRunningHash?.ToByteArray();
rec.SequenceNumber = receipt.TopicSequenceNumber;
}
else if (result is SubmitMessageReceipt rcpt)
{
Protobuf.FillReceiptProperties(transactionId, receipt, rcpt);
rcpt.RunningHash = receipt.TopicRunningHash?.ToByteArray();
rcpt.SequenceNumber = receipt.TopicSequenceNumber;
}
return(result);
/// <summary>
/// Internal implementation of the contract call method.
/// </summary>
private async Task <TResult> CallContractImplementationAsync <TResult>(CallContractParams callParmeters, Action <IContext>?configure) where TResult : new()
{
callParmeters = RequireInputParameter.CallContractParameters(callParmeters);
var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateEmptyTransactionBody(context, transactionId, "Call Contract");
transactionBody.ContractCall = new ContractCallTransactionBody
{
ContractID = Protobuf.ToContractID(callParmeters.Contract),
Gas = callParmeters.Gas,
Amount = callParmeters.PayableAmount,
FunctionParameters = Abi.EncodeFunctionWithArguments(callParmeters.FunctionName, callParmeters.FunctionArgs).ToByteString()
};
var request = Transactions.SignTransaction(transactionBody, payer);
var precheck = await Transactions.ExecuteRequestWithRetryAsync(context, request, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, precheck.NodeTransactionPrecheckCode);
var receipt = await GetReceiptAsync(context, transactionId);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Contract call failed, status: {receipt.Status}", Protobuf.FromTransactionId(transactionId), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is CallContractRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
Protobuf.FillRecordProperties(record, rec);
rec.Contract = Protobuf.FromContractID(record.Receipt.ContractID);
rec.CallResult = Protobuf.FromContractCallResult(record.ContractCallResult);
}
else if (result is ContractReceipt rcpt)
{
Protobuf.FillReceiptProperties(transactionId, receipt, rcpt);
rcpt.Contract = Protobuf.FromContractID(receipt.ContractID);
}
return(result);
/// <summary>
/// Internal implementation of the Create File service.
/// </summary>
public async Task <TResult> CreateFileImplementationAsync <TResult>(CreateFileParams createParameters, Action <IContext>?configure) where TResult : new()
{
createParameters = RequireInputParameter.CreateParameters(createParameters);
await using var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatory = Transactions.GatherSignatories(context, createParameters.Signatory);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateTransactionBody(context, transactionId);
transactionBody.FileCreate = new FileCreateTransactionBody
{
ExpirationTime = Protobuf.ToTimestamp(createParameters.Expiration),
Keys = Protobuf.ToPublicKeyList(createParameters.Endorsements),
Contents = ByteString.CopyFrom(createParameters.Contents.ToArray()),
};
var request = await Transactions.SignTransactionAsync(transactionBody, signatory);
var precheck = await Transactions.ExecuteSignedRequestWithRetryAsync(context, request, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, precheck);
var receipt = await GetReceiptAsync(context, transactionId);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to create file, status: {receipt.Status}", Protobuf.FromTransactionId(transactionId), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is FileRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
Protobuf.FillRecordProperties(record, rec);
rec.File = Protobuf.FromFileID(receipt.FileID);
}
else if (result is FileReceipt rcpt)
{
Protobuf.FillReceiptProperties(transactionId, receipt, rcpt);
rcpt.File = Protobuf.FromFileID(receipt.FileID);
}
return(result);
/// <summary>
/// Internal implementation of the Add Claim service.
/// </summary>
public async Task <TResult> AddClaimImplementationAsync <TResult>(Claim claim, Action <IContext>?configure) where TResult : new()
{
claim = RequireInputParameter.AddParameters(claim);
var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateEmptyTransactionBody(context, transactionId, "Add Claim");
transactionBody.CryptoAddClaim = new CryptoAddClaimTransactionBody
{
Claim = new Proto.Claim
{
AccountID = Protobuf.ToAccountID(claim.Address),
Hash = ByteString.CopyFrom(claim.Hash.ToArray()),
Keys = Protobuf.ToPublicKeyList(claim.Endorsements),
ClaimDuration = Protobuf.ToDuration(claim.ClaimDuration)
}
};
var request = Transactions.SignTransaction(transactionBody, payer);
var precheck = await Transactions.ExecuteRequestWithRetryAsync(context, request, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, precheck.NodeTransactionPrecheckCode);
var receipt = await GetReceiptAsync(context, transactionId);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to attach claim, status: {receipt.Status}", Protobuf.FromTransactionId(transactionId), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is TransactionRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
Protobuf.FillRecordProperties(record, rec);
}
else if (result is TransactionReceipt rcpt)
{
Protobuf.FillReceiptProperties(transactionId, receipt, rcpt);
}
return(result);
/// <summary>
/// Retrieves the details regarding a file stored on the network.
/// </summary>
/// <param name="file">
/// Address of the file to query.
/// </param>
/// <param name="configure">
/// Optional callback method providing an opportunity to modify
/// the execution configuration for just this method call.
/// It is executed prior to submitting the request to the network.
/// </param>
/// <returns>
/// The details of the network file, excluding content.
/// </returns>
/// <exception cref="ArgumentOutOfRangeException">If required arguments are missing.</exception>
/// <exception cref="InvalidOperationException">If required context configuration is missing.</exception>
/// <exception cref="PrecheckException">If the gateway node create rejected the request upon submission.</exception>
public async Task <FileInfo> GetFileInfoAsync(Address file, Action <IContext>?configure = null)
{
file = RequireInputParameter.File(file);
var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var transfers = Transactions.CreateCryptoTransferList((payer, -context.FeeLimit), (gateway, context.FeeLimit));
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateCryptoTransferTransactionBody(context, transfers, transactionId, "Get File Info");
var query = new Query
{
FileGetInfo = new FileGetInfoQuery
{
Header = Transactions.SignQueryHeader(transactionBody, payer),
FileID = Protobuf.ToFileId(file)
}
};
var response = await Transactions.ExecuteRequestWithRetryAsync(context, query, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, getResponseCode(response));
return(Protobuf.FromFileInfo(response.FileGetInfo.FileInfo));
/// <summary>
/// Retreives the accounts that are proxy staking to this account.
/// </summary>
/// <param name="address">
/// The Hedera Network Address to retrieve the stakers of.
/// </param>
/// <param name="configure">
/// Optional callback method providing an opportunity to modify
/// the execution configuration for just this method call.
/// It is executed prior to submitting the request to the network.
/// </param>
/// <returns>
/// A dictionary mapping account addresses to the amount of stake.
/// </returns>
/// <exception cref="ArgumentOutOfRangeException">If required arguments are missing.</exception>
/// <exception cref="InvalidOperationException">If required context configuration is missing.</exception>
/// <exception cref="PrecheckException">If the gateway node create rejected the request upon submission.</exception>
// NOTE: Marked internal at this point because it is not yet implemented by the network
internal async Task <Dictionary <Address, long> > GetStakers(Address address, Action <IContext>?configure = null)
{
address = RequireInputParameter.Address(address);
var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var transfers = Transactions.CreateCryptoTransferList((payer, -context.FeeLimit), (gateway, context.FeeLimit));
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateCryptoTransferTransactionBody(context, transfers, transactionId, "Get Account Info");
var query = new Query
{
CryptoGetProxyStakers = new CryptoGetStakersQuery
{
Header = Transactions.SignQueryHeader(transactionBody, payer),
AccountID = Protobuf.ToAccountID(address)
}
};
var response = await Transactions.ExecuteRequestWithRetryAsync(context, query, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, getResponseCode(response));
return(response.CryptoGetProxyStakers.Stakers.ProxyStaker.ToDictionary(ps => Protobuf.FromAccountID(ps.AccountID), ps => ps.Amount));
/// <summary>
/// Retrieves the bytecode for the specified contract.
/// </summary>
/// <param name="contract">
/// The Hedera Network Address of the Contract.
/// </param>
/// <param name="configure">
/// Optional callback method providing an opportunity to modify
/// the execution configuration for just this method call.
/// It is executed prior to submitting the request to the network.
/// </param>
/// <returns>
/// The bytecode for the specified contract instance.
/// </returns>
/// <exception cref="ArgumentOutOfRangeException">If required arguments are missing.</exception>
/// <exception cref="InvalidOperationException">If required context configuration is missing.</exception>
/// <exception cref="PrecheckException">If the gateway node create rejected the request upon submission.</exception>
public async Task <ReadOnlyMemory <byte> > GetContractBytecodeAsync(Address contract, Action <IContext>?configure = null)
{
contract = RequireInputParameter.Contract(contract);
var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var transfers = Transactions.CreateCryptoTransferList((payer, -context.FeeLimit), (gateway, context.FeeLimit));
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateCryptoTransferTransactionBody(context, transfers, transactionId, "Get Contract Bytecode");
var query = new Query
{
ContractGetBytecode = new ContractGetBytecodeQuery
{
Header = Transactions.SignQueryHeader(transactionBody, payer),
ContractID = Protobuf.ToContractID(contract)
}
};
var response = await Transactions.ExecuteRequestWithRetryAsync(context, query, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, getResponseCode(response));
return(response.ContractGetBytecodeResponse.Bytecode.ToByteArray());
/// <summary>
/// Retrieves the balance in tinybars from the network for a given address.
/// </summary>
/// <param name="address">
/// The hedera network address to retrieve the balance of.
/// </param>
/// <param name="configure">
/// Optional callback method providing an opportunity to modify
/// the execution configuration for just this method call.
/// It is executed prior to submitting the request to the network.
/// </param>
/// <returns>
/// The balance of the associated address.
/// </returns>
/// <exception cref="ArgumentOutOfRangeException">If required arguments are missing.</exception>
/// <exception cref="InvalidOperationException">If required context configuration is missing.</exception>
/// <exception cref="PrecheckException">If the gateway node create rejected the request upon submission.</exception>
public async Task <ulong> GetAccountBalanceAsync(Address address, Action <IContext>?configure = null)
{
address = RequireInputParameter.Address(address);
var context = CreateChildContext(configure);
var gateway = RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var transfers = Transactions.CreateCryptoTransferList((payer, -context.FeeLimit), (gateway, context.FeeLimit));
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateCryptoTransferTransactionBody(context, transfers, transactionId, "Get Account Balance");
var query = new Query
{
CryptogetAccountBalance = new CryptoGetAccountBalanceQuery
{
Header = Transactions.SignQueryHeader(transactionBody, payer),
AccountID = Protobuf.ToAccountID(address)
}
};
var response = await Transactions.ExecuteRequestWithRetryAsync(context, query, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, getResponseCode(response));
return(response.CryptogetAccountBalance.Balance);
/// <summary>
/// Internal implementation of the Delete Claim Methods
/// </summary>
public async Task <TResult> DeleteClaimImplementationAsync <TResult>(Address address, ReadOnlyMemory <byte> hash, Action <IContext>?configure = null) where TResult : new()
{
address = RequireInputParameter.Address(address);
hash = RequireInputParameter.Hash(hash);
var context = CreateChildContext(configure);
RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateEmptyTransactionBody(context, transactionId, "Delete Claim");
transactionBody.CryptoDeleteClaim = new CryptoDeleteClaimTransactionBody
{
AccountIDToDeleteFrom = Protobuf.ToAccountID(address),
HashToDelete = ByteString.CopyFrom(hash.ToArray())
};
var request = Transactions.SignTransaction(transactionBody, payer);
var precheck = await Transactions.ExecuteRequestWithRetryAsync(context, request, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, precheck.NodeTransactionPrecheckCode);
var receipt = await GetReceiptAsync(context, transactionId);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to remove Claim, status: {receipt.Status}", Protobuf.FromTransactionId(transactionId), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is TransactionRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
Protobuf.FillRecordProperties(record, rec);
}
else if (result is TransactionReceipt rcpt)
{
Protobuf.FillReceiptProperties(transactionId, receipt, rcpt);
}
return(result);
/// <summary>
/// Internal implementation of delete topic method.
/// </summary>
private async Task <TransactionReceipt> DeleteTopicImplementationAsync(Address topicToDelete, Signatory?signatory, Action <IContext>?configure)
{
topicToDelete = RequireInputParameter.AddressToDelete(topicToDelete);
await using var context = CreateChildContext(configure);
RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var signatories = Transactions.GatherSignatories(context, signatory);
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = new TransactionBody(context, transactionId);
transactionBody.ConsensusDeleteTopic = new ConsensusDeleteTopicTransactionBody
{
TopicID = new TopicID(topicToDelete)
};
var receipt = await transactionBody.SignAndExecuteWithRetryAsync(signatories, context);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to Delete Topic, status: {receipt.Status}", transactionId.ToTxId(), (ResponseCode)receipt.Status);
}
return(receipt.FillProperties(transactionId, new TransactionReceipt()));
}
/// <summary>
/// Internal helper function implementing file append services.
/// </summary>
public async Task <TResult> AppendFileImplementationAsync <TResult>(AppendFileParams appendParameters, Action <IContext>?configure = null) where TResult : new()
{
appendParameters = RequireInputParameter.AppendParameters(appendParameters);
var context = CreateChildContext(configure);
RequireInContext.Gateway(context);
var payer = RequireInContext.Payer(context);
var appendFileBody = new FileAppendTransactionBody
{
FileID = Protobuf.ToFileId(appendParameters.File),
Contents = ByteString.CopyFrom(appendParameters.Contents.ToArray())
};
var transactionId = Transactions.GetOrCreateTransactionID(context);
var transactionBody = Transactions.CreateEmptyTransactionBody(context, transactionId, "Append File Content");
transactionBody.FileAppend = appendFileBody;
var request = Transactions.SignTransaction(transactionBody, payer);
var precheck = await Transactions.ExecuteRequestWithRetryAsync(context, request, getRequestMethod, getResponseCode);
ValidateResult.PreCheck(transactionId, precheck.NodeTransactionPrecheckCode);
var receipt = await GetReceiptAsync(context, transactionId);
if (receipt.Status != ResponseCodeEnum.Success)
{
throw new TransactionException($"Unable to append to file, status: {receipt.Status}", Protobuf.FromTransactionId(transactionId), (ResponseCode)receipt.Status);
}
var result = new TResult();
if (result is TransactionRecord rec)
{
var record = await GetTransactionRecordAsync(context, transactionId);
Protobuf.FillRecordProperties(record, rec);
}
else if (result is TransactionReceipt rcpt)
{
Protobuf.FillReceiptProperties(transactionId, receipt, rcpt);
}
return(result);
internal static TransactionID GetOrCreateTransactionID(ContextStack context)
{
var preExistingTransaction = context.Transaction;
if (preExistingTransaction is null)
{
var(seconds, nanos) = Epoch.UniqueSecondsAndNanos(context.AdjustForLocalClockDrift);
return(new TransactionID
{
AccountID = Protobuf.ToAccountID(RequireInContext.Payer(context)),
TransactionValidStart = new Proto.Timestamp
{
Seconds = seconds,
Nanos = nanos
}
});
}
else
{
return(Protobuf.ToTransactionID(preExistingTransaction));
}
}