/// <summary>
/// Create an unsigned Transaction object with given parameters.
/// </summary>
/// <param name="script">Transaction Script</param>
/// <param name="attributes">Transaction Attributes</param>
/// <returns></returns>
public TransactionManager MakeTransaction(byte[] script, TransactionAttribute[] attributes = null)
{
var random = new Random();
uint height = rpcClient.GetBlockCount() - 1;
Tx = new Transaction
{
Version = 0,
Nonce = (uint)random.Next(),
Script = script,
Sender = sender,
ValidUntilBlock = height + Transaction.MaxValidUntilBlockIncrement,
Attributes = attributes ?? Array.Empty <TransactionAttribute>(),
Witnesses = Array.Empty <Witness>()
};
// Add witness hashes parameter to pass CheckWitness
UInt160[] hashes = Tx.GetScriptHashesForVerifying(null);
RpcInvokeResult result = rpcClient.InvokeScript(script, hashes);
Tx.SystemFee = long.Parse(result.GasConsumed);
context = new ContractParametersContext(Tx);
signStore = new List <SignItem>();
return(this);
}
/// <summary>
/// Create an unsigned Transaction object with given parameters.
/// </summary>
/// <param name="script">Transaction Script</param>
/// <param name="attributes">Transaction Attributes</param>
/// <param name="cosigners">Transaction Cosigners</param>
/// <param name="networkFee">Transaction NetworkFee, will set to estimate value(with only basic signatures) when networkFee is 0</param>
/// <returns></returns>
public TransactionManager MakeTransaction(byte[] script, TransactionAttribute[] attributes = null, Cosigner[] cosigners = null, long networkFee = 0)
{
var random = new Random();
uint height = rpcClient.GetBlockCount() - 1;
Tx = new Transaction
{
Version = 0,
Nonce = (uint)random.Next(),
Script = script,
Sender = sender,
ValidUntilBlock = height + Transaction.MaxValidUntilBlockIncrement,
Attributes = attributes ?? new TransactionAttribute[0],
Cosigners = cosigners ?? new Cosigner[0],
Witnesses = new Witness[0]
};
// Add witness hashes parameter to pass CheckWitness
UInt160[] hashes = Tx.GetScriptHashesForVerifying(null);
RpcInvokeResult result = rpcClient.InvokeScript(script, hashes);
Tx.SystemFee = Math.Max(long.Parse(result.GasConsumed) - ApplicationEngine.GasFree, 0);
if (Tx.SystemFee > 0)
{
long d = (long)NativeContract.GAS.Factor;
long remainder = Tx.SystemFee % d;
if (remainder > 0)
{
Tx.SystemFee += d - remainder;
}
else if (remainder < 0)
{
Tx.SystemFee -= remainder;
}
}
context = new ContractParametersContext(Tx);
// set networkfee to estimate value when networkFee is 0
Tx.NetworkFee = networkFee == 0 ? EstimateNetworkFee() : networkFee;
var gasBalance = nep5API.BalanceOf(NativeContract.GAS.Hash, sender);
if (gasBalance >= Tx.SystemFee + Tx.NetworkFee)
{
return(this);
}
throw new InvalidOperationException($"Insufficient GAS in address: {sender.ToAddress()}");
}
/// <summary>
/// Create an unsigned Transaction object with given parameters.
/// </summary>
/// <param name="script">Transaction Script</param>
/// <param name="attributes">Transaction Attributes</param>
/// <param name="cosigners">Transaction Cosigners</param>
/// <returns></returns>
public TransactionManager MakeTransaction(byte[] script, TransactionAttribute[] attributes = null, Cosigner[] cosigners = null)
{
var random = new Random();
uint height = rpcClient.GetBlockCount() - 1;
Tx = new Transaction
{
Version = 0,
Nonce = (uint)random.Next(),
Script = script,
Sender = sender,
ValidUntilBlock = height + Transaction.MaxValidUntilBlockIncrement,
Attributes = attributes ?? Array.Empty <TransactionAttribute>(),
Cosigners = cosigners ?? Array.Empty <Cosigner>(),
Witnesses = Array.Empty <Witness>()
};
// Add witness hashes parameter to pass CheckWitness
UInt160[] hashes = Tx.GetScriptHashesForVerifying(null);
RpcInvokeResult result = rpcClient.InvokeScript(script, hashes);
Tx.SystemFee = Math.Max(long.Parse(result.GasConsumed) - ApplicationEngine.GasFree, 0);
if (Tx.SystemFee > 0)
{
long d = (long)NativeContract.GAS.Factor;
long remainder = Tx.SystemFee % d;
if (remainder > 0)
{
Tx.SystemFee += d - remainder;
}
else if (remainder < 0)
{
Tx.SystemFee -= remainder;
}
}
context = new ContractParametersContext(Tx);
signStore = new List <SignItem>();
return(this);
}
/// <summary>
/// Create an unsigned Transaction object with given parameters.
/// </summary>
/// <param name="script">Transaction Script</param>
/// <param name="attributes">Transaction Attributes</param>
/// <returns></returns>
public TransactionManager MakeTransaction(byte[] script, Signer[] signers = null, TransactionAttribute[] attributes = null)
{
var random = new Random();
uint height = rpcClient.GetBlockCount() - 1;
Tx = new Transaction
{
Version = 0,
Nonce = (uint)random.Next(),
Script = script,
Signers = signers,
ValidUntilBlock = height + Transaction.MaxValidUntilBlockIncrement,
Attributes = attributes ?? Array.Empty <TransactionAttribute>(),
};
RpcInvokeResult result = rpcClient.InvokeScript(script, signers);
Tx.SystemFee = long.Parse(result.GasConsumed);
context = new ContractParametersContext(Tx);
signStore = new List <SignItem>();
return(this);
}
/// <summary>
/// Use RPC method to test invoke operation.
/// </summary>
/// <param name="scriptHash">contract script hash</param>
/// <param name="operation">contract operation</param>
/// <param name="args">operation arguments</param>
/// <returns></returns>
public RpcInvokeResult TestInvoke(UInt160 scriptHash, string operation, params object[] args)
{
byte[] script = scriptHash.MakeScript(operation, args);
return(rpcClient.InvokeScript(script));
}