public bool SignAndSendTx(Transaction tx)
{
ContractParametersContext context;
try
{
context = new ContractParametersContext(tx);
}
catch (InvalidOperationException ex)
{
Console.WriteLine($"Error creating contract params: {ex}");
throw;
}
Program.Wallet.Sign(context);
string msg;
if (context.Completed)
{
tx.Witness = context.GetWitness();
system.LocalNode.Tell(new LocalNode.Relay {
Inventory = tx
});
msg = $"Signed and relayed transaction with hash={tx.Hash}";
Console.WriteLine(msg);
return(true);
}
msg = $"Failed sending transaction with hash={tx.Hash}";
Console.WriteLine(msg);
return(true);
}
private void SignPayload(ConsensusPayload payload)
{
ContractParametersContext sc;
try
{
sc = new ContractParametersContext(payload);
wallet.Sign(sc);
}
catch (InvalidOperationException)
{
return;
}
payload.Witness = sc.GetWitness();
}
public Block CreateBlock()
{
Contract contract = Contract.CreateMultiSigContract(M, Validators);
ContractParametersContext sc = new ContractParametersContext(Block);
for (int i = 0, j = 0; i < Validators.Length && j < M; i++)
{
if (CommitPayloads[i]?.ConsensusMessage.ViewNumber != ViewNumber)
{
continue;
}
sc.AddSignature(contract, Validators[i], CommitPayloads[i].GetDeserializedMessage <Commit>().Signature);
j++;
}
Block.Witness = sc.GetWitness();
Block.Transactions = TransactionHashes.Select(p => Transactions[p]).ToArray();
return(Block);
}
private bool OnRelayCommand(string[] args)
{
if (args.Length < 2)
{
Console.WriteLine("You must input JSON object to relay.");
return(true);
}
var jsonObjectToRelay = string.Join(string.Empty, args.Skip(1));
if (string.IsNullOrWhiteSpace(jsonObjectToRelay))
{
Console.WriteLine("You must input JSON object to relay.");
return(true);
}
try
{
ContractParametersContext context = ContractParametersContext.Parse(jsonObjectToRelay);
if (!context.Completed)
{
Console.WriteLine("The signature is incomplete.");
return(true);
}
if (!(context.Verifiable is Transaction tx))
{
Console.WriteLine($"Only support to relay transaction.");
return(true);
}
tx.Witness = context.GetWitness();
system.LocalNode.Tell(new LocalNode.Relay {
Inventory = tx
});
Console.WriteLine($"Data relay success, the hash is shown as follows:\r\n{tx.Hash}");
}
catch (Exception e)
{
Console.WriteLine($"One or more errors occurred:\r\n{e.Message}");
}
return(true);
}
private bool OnSendCommand(string[] args)
{
if (args.Length < 4 || args.Length > 5)
{
Console.WriteLine("error");
return(true);
}
if (NoWallet())
{
return(true);
}
string password = ReadUserInput("password", true);
if (password.Length == 0)
{
Console.WriteLine("cancelled");
return(true);
}
if (!Program.Wallet.VerifyPassword(password))
{
Console.WriteLine("Incorrect password");
return(true);
}
UInt160 assetId;
switch (args[1].ToLower())
{
case "neo":
assetId = NativeContract.NEO.Hash;
break;
case "gas":
assetId = NativeContract.GAS.Hash;
break;
default:
assetId = UInt160.Parse(args[1]);
break;
}
UInt160 to = args[2].ToScriptHash();
Transaction tx;
AssetDescriptor descriptor = new AssetDescriptor(assetId);
if (!BigDecimal.TryParse(args[3], descriptor.Decimals, out BigDecimal amount) || amount.Sign <= 0)
{
Console.WriteLine("Incorrect Amount Format");
return(true);
}
tx = Program.Wallet.MakeTransaction(null, new[]
{
new TransferOutput
{
AssetId = assetId,
Value = amount,
ScriptHash = to
}
});
if (tx == null)
{
Console.WriteLine("Insufficient funds");
return(true);
}
ContractParametersContext context = new ContractParametersContext(tx);
Program.Wallet.Sign(context);
if (context.Completed)
{
tx.Witness = context.GetWitness();
system.LocalNode.Tell(new LocalNode.Relay {
Inventory = tx
});
Console.WriteLine($"TXID: {tx.Hash}");
}
else
{
Console.WriteLine("SignatureContext:");
Console.WriteLine(context.ToString());
}
return(true);
}