/// <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 async Task <TransactionManager> MakeTransactionAsync(byte[] script, Signer[] signers = null, TransactionAttribute[] attributes = null)
{
uint blockCount = await rpcClient.GetBlockCountAsync().ConfigureAwait(false) - 1;
RpcInvokeResult invokeResult = await rpcClient.InvokeScriptAsync(script, signers).ConfigureAwait(false);
var tx = new Transaction
{
Version = 0,
Nonce = (uint)new Random().Next(),
Script = script,
Signers = signers ?? Array.Empty <Signer>(),
ValidUntilBlock = blockCount - 1 + Transaction.MaxValidUntilBlockIncrement,
SystemFee = invokeResult.GasConsumed,
Attributes = attributes ?? Array.Empty <TransactionAttribute>(),
};
return(new TransactionManager(tx, rpcClient));
}
/// <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 async Task <TransactionManager> MakeTransactionAsync(byte[] script, Signer[] signers = null, TransactionAttribute[] attributes = null)
{
RpcInvokeResult invokeResult = await rpcClient.InvokeScriptAsync(script, signers).ConfigureAwait(false);
return(await MakeTransactionAsync(script, invokeResult.GasConsumed, signers, attributes).ConfigureAwait(false));
}
/// <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 Task <RpcInvokeResult> TestInvokeAsync(UInt160 scriptHash, string operation, params object[] args)
{
byte[] script = scriptHash.MakeScript(operation, true, args);
return(rpcClient.InvokeScriptAsync(script));
}