private void button1_Click(object sender, EventArgs e)
{
if (listView1.SelectedIndices.Count == 0)
{
return;
}
ContractParameter parameter = (ContractParameter)listView1.SelectedItems[0].Tag;
parameter.SetValue(textBox2.Text);
listView1.SelectedItems[0].SubItems["value"].Text = parameter.ToString();
textBox1.Text = listView1.SelectedItems[0].SubItems["value"].Text;
textBox2.Clear();
}
private void button1_Click(object sender, EventArgs e)
{
if (listView1.SelectedIndices.Count == 0) return;
ContractParameter parameter = (ContractParameter)listView1.SelectedItems[0].Tag;
try
{
parameter.SetValue(textBox2.Text);
listView1.SelectedItems[0].SubItems["value"].Text = parameter.ToString();
textBox1.Text = listView1.SelectedItems[0].SubItems["value"].Text;
textBox2.Clear();
}
catch(Exception err)
{
MessageBox.Show(err.Message);
}
}
private void button3_Click(object sender, EventArgs e)
{
if (listBox1.SelectedIndex < 0)
{
return;
}
if (listBox2.SelectedIndex < 0)
{
return;
}
ContractParameter parameter = (ContractParameter)listBox2.SelectedItem;
parameter.SetValue(textBox2.Text);
listBox2.Items[listBox2.SelectedIndex] = parameter;
textBox1.Text = textBox2.Text;
button4.Visible = context.Completed;
}
public async Task <object> InvokeContract(InvokeContractParameterModel para)
{
if (CurrentWallet == null)
{
return(Error(ErrorCode.WalletNotOpen));
}
if (para.ContractHash == null || para.Method.IsNull())
{
return(Error(ErrorCode.ParameterIsNull));
}
using var snapshot = Blockchain.Singleton.GetSnapshot();
var contract = snapshot.Contracts.TryGet(para.ContractHash);
if (contract == null)
{
return(Error(ErrorCode.UnknownContract));
}
ContractParameter[] contractParameters = para.Parameters?.Select(p =>
{
var parameterValue = new ContractParameter(p.Type);
parameterValue.SetValue(p.Value);
return(parameterValue);
}).ToArray();
var signers = new List <Cosigner>();
if (para.Cosigners.NotEmpty())
{
signers.AddRange(para.Cosigners.Select(s => new Cosigner()
{
Account = s.Account, Scopes = s.Scopes
}));
}
Transaction tx = null;
using ScriptBuilder sb = new ScriptBuilder();
sb.EmitAppCall(para.ContractHash, para.Method, contractParameters);
try
{
tx = CurrentWallet.InitTransaction(sb.ToArray(), signers.ToArray());
}
catch (InvalidOperationException)
{
return(Error(ErrorCode.EngineFault));
}
catch (Exception ex)
{
if (ex.Message.Contains("Insufficient GAS"))
{
return(Error(ErrorCode.GasNotEnough));
}
throw;
}
var(signSuccess, context) = CurrentWallet.TrySignTx(tx);
if (!signSuccess)
{
return(Error(ErrorCode.SignFail, context.SafeSerialize()));
}
var result = new InvokeResultModel();
using ApplicationEngine engine = ApplicationEngine.Run(tx.Script, tx, testMode: true);
result.VmState = engine.State;
result.GasConsumed = new BigDecimal(tx.SystemFee, NativeContract.GAS.Decimals);
result.ResultStack = engine.ResultStack.Select(p => JStackItem.FromJson(p.ToParameter().ToJson())).ToList();
if (engine.State.HasFlag(VMState.FAULT))
{
return(Error(ErrorCode.EngineFault));
}
if (!para.SendTx)
{
return(result);
}
await tx.Broadcast();
result.TxId = tx.Hash;
return(result);
}
public ContractParameter GetParameter()
{
UIElementCollection valueItems = stackValues.Children;
switch ((string)((ComboBoxItem)cmbParamTypes.SelectedItem).Content)
{
case "Signature":
{
string value = ((TextBox)valueItems[0]).Text;
try
{
parameter.SetValue(value);
}
catch (FormatException fex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_FAIL_TYPE_SIGNATURE", iLang));
}
catch (ArgumentException aex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_UNKOWN_TYPE_SIGNATURE", iLang));
}
break;
}
case "Boolean":
{
string value = ((TextBox)valueItems[0]).Text;
try
{
parameter.SetValue(value);
}
catch (FormatException fex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_FAIL_TYPE_SIGNATURE", iLang));
}
catch (ArgumentException aex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_UNKOWN_TYPE_SIGNATURE", iLang));
}
break;
}
case "Integer":
{
string value = ((TextBox)valueItems[0]).Text;
try
{
parameter.SetValue(value);
}
catch (FormatException fex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_FAIL_TYPE_SIGNATURE", iLang));
}
catch (ArgumentException aex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_UNKOWN_TYPE_SIGNATURE", iLang));
}
break;
}
case "Hash160":
{
string value = ((TextBox)valueItems[0]).Text;
try
{
parameter.SetValue(value);
}
catch (FormatException fex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_FAIL_TYPE_SIGNATURE", iLang));
}
catch (ArgumentException aex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_UNKOWN_TYPE_SIGNATURE", iLang));
}
break;
}
case "Hash256":
{
string value = ((TextBox)valueItems[0]).Text;
try
{
parameter.SetValue(value);
}
catch (FormatException fex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_FAIL_TYPE_SIGNATURE", iLang));
}
catch (ArgumentException aex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_UNKOWN_TYPE_SIGNATURE", iLang));
}
break;
}
case "ByteArray":
{
string value = ((TextBox)valueItems[0]).Text;
try
{
parameter.SetValue(value);
}
catch (FormatException fex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_FAIL_TYPE_SIGNATURE", iLang));
}
catch (ArgumentException aex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_UNKOWN_TYPE_SIGNATURE", iLang));
}
break;
}
case "PublicKey":
{
string value = ((TextBox)valueItems[0]).Text;
try
{
parameter.SetValue(value);
}
catch (FormatException fex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_FAIL_TYPE_SIGNATURE", iLang));
}
catch (ArgumentException aex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_UNKOWN_TYPE_SIGNATURE", iLang));
}
break;
}
case "String":
{
string value = ((TextBox)valueItems[0]).Text;
try
{
parameter.SetValue(value);
}
catch (FormatException fex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_FAIL_TYPE_SIGNATURE", iLang));
}
catch (ArgumentException aex)
{
StaticUtils.ShowMessageBox(StaticUtils.ErrorBrush, StringTable.GetInstance().GetString("STR_ERR_UNKOWN_TYPE_SIGNATURE", iLang));
}
break;
}
case "Array":
{
((List <ContractParameter>)parameter.Value).Clear();
foreach (StackPanel panItem in valueItems)
{
string value = ((TextBox)panItem.Children[0]).Text;
ContractParameter param = new ContractParameter();
if (string.Equals(value, "true", StringComparison.OrdinalIgnoreCase))
{
param.Type = ContractParameterType.Boolean;
param.Value = true;
}
else if (string.Equals(value, "false", StringComparison.OrdinalIgnoreCase))
{
param.Type = ContractParameterType.Boolean;
param.Value = false;
}
else if (long.TryParse(value, out long num))
{
param.Type = ContractParameterType.Integer;
param.Value = num;
}
else if (value.StartsWith("0x"))
{
if (UInt160.TryParse(value, out UInt160 i160))
{
param.Type = ContractParameterType.Hash160;
param.Value = i160;
}
else if (UInt256.TryParse(value, out UInt256 i256))
{
param.Type = ContractParameterType.Hash256;
param.Value = i256;
}
else if (BigInteger.TryParse(value.Substring(2), NumberStyles.AllowHexSpecifier, null, out BigInteger bi))
{
param.Type = ContractParameterType.Integer;
param.Value = bi;
}
else
{
param.Type = ContractParameterType.String;
param.Value = value;
}
}
else if (ECPoint.TryParse(value, ECCurve.Secp256r1, out ECPoint point))
{
param.Type = ContractParameterType.PublicKey;
param.Value = point;
}
else
{
try
{
param.Value = value.HexToBytes();
param.Type = ContractParameterType.ByteArray;
}
catch (FormatException)
{
param.Type = ContractParameterType.String;
param.Value = value;
}
}
((List <ContractParameter>)parameter.Value).Add(param);
}
break;
}
}
return(parameter);
}
public void TestSetValue()
{
ContractParameter contractParameter1 = new ContractParameter(ContractParameterType.Signature);
byte[] expectedArray1 = new byte[64];
contractParameter1.SetValue(new byte[64].ToHexString());
Assert.AreEqual(Encoding.Default.GetString(expectedArray1), Encoding.Default.GetString((byte[])contractParameter1.Value));
Action action1 = () => contractParameter1.SetValue(new byte[50].ToHexString());
action1.Should().Throw <FormatException>();
ContractParameter contractParameter2 = new ContractParameter(ContractParameterType.Boolean);
contractParameter2.SetValue("true");
Assert.AreEqual(true, contractParameter2.Value);
ContractParameter contractParameter3 = new ContractParameter(ContractParameterType.Integer);
contractParameter3.SetValue("11");
Assert.AreEqual(new BigInteger(11), contractParameter3.Value);
ContractParameter contractParameter4 = new ContractParameter(ContractParameterType.Hash160);
contractParameter4.SetValue("0x0000000000000000000000000000000000000001");
Assert.AreEqual(UInt160.Parse("0x0000000000000000000000000000000000000001"), contractParameter4.Value);
ContractParameter contractParameter5 = new ContractParameter(ContractParameterType.Hash256);
contractParameter5.SetValue("0x0000000000000000000000000000000000000000000000000000000000000000");
Assert.AreEqual(UInt256.Parse("0x0000000000000000000000000000000000000000000000000000000000000000"), contractParameter5.Value);
ContractParameter contractParameter6 = new ContractParameter(ContractParameterType.ByteArray);
contractParameter6.SetValue("2222");
byte[] expectedArray6 = new byte[2];
expectedArray6[0] = 0x22;
expectedArray6[1] = 0x22;
Assert.AreEqual(Encoding.Default.GetString(expectedArray6), Encoding.Default.GetString((byte[])contractParameter6.Value));
ContractParameter contractParameter7 = new ContractParameter(ContractParameterType.PublicKey);
Random random7 = new Random();
byte[] privateKey7 = new byte[32];
for (int j = 0; j < privateKey7.Length; j++)
{
privateKey7[j] = (byte)random7.Next(256);
}
ECPoint publicKey7 = ECCurve.Secp256r1.G * privateKey7;
contractParameter7.SetValue(publicKey7.ToString());
Assert.AreEqual(true, publicKey7.Equals(contractParameter7.Value));
ContractParameter contractParameter8 = new ContractParameter(ContractParameterType.String);
contractParameter8.SetValue("AAA");
Assert.AreEqual("AAA", contractParameter8.Value);
ContractParameter contractParameter9 = new ContractParameter(ContractParameterType.Array);
Action action9 = () => contractParameter9.SetValue("AAA");
action9.Should().Throw <ArgumentException>();
}
