private void button5_Click(object sender, EventArgs e)
{
if (tx == null)
{
tx = new InvocationTransaction();
}
tx.Version = 1;
tx.Script = textBox6.Text.HexToBytes();
if (tx.Attributes == null)
{
tx.Attributes = new TransactionAttribute[0];
}
if (tx.Inputs == null)
{
tx.Inputs = new CoinReference[0];
}
if (tx.Outputs == null)
{
tx.Outputs = new TransactionOutput[0];
}
if (tx.Scripts == null)
{
tx.Scripts = new Witness[0];
}
LevelDBBlockchain blockchain = (LevelDBBlockchain)Blockchain.Default;
DataCache <UInt160, AccountState> accounts = blockchain.GetTable <UInt160, AccountState>();
DataCache <ECPoint, ValidatorState> validators = blockchain.GetTable <ECPoint, ValidatorState>();
DataCache <UInt256, AssetState> assets = blockchain.GetTable <UInt256, AssetState>();
DataCache <UInt160, ContractState> contracts = blockchain.GetTable <UInt160, ContractState>();
DataCache <StorageKey, StorageItem> storages = blockchain.GetTable <StorageKey, StorageItem>();
CachedScriptTable script_table = new CachedScriptTable(contracts);
StateMachine service = new StateMachine(accounts, validators, assets, contracts, storages);
ApplicationEngine engine = new ApplicationEngine(tx, script_table, service, Fixed8.Zero, true);
engine.LoadScript(tx.Script, false);
if (engine.Execute())
{
tx.Gas = engine.GasConsumed - Fixed8.FromDecimal(10);
if (tx.Gas < Fixed8.One)
{
tx.Gas = Fixed8.One;
}
tx.Gas = tx.Gas.Ceiling();
label7.Text = tx.Gas + " gas";
button3.Enabled = true;
}
else
{
MessageBox.Show(Strings.ExecutionFailed);
}
}
public static ApplicationEngine Run(byte[] script, IScriptContainer container = null)
{
DataCache <UInt160, AccountState> accounts = blockchain.GetTable <UInt160, AccountState>();
DataCache <ECPoint, ValidatorState> validators = blockchain.GetTable <ECPoint, ValidatorState>();
DataCache <UInt256, AssetState> assets = blockchain.GetTable <UInt256, AssetState>();
DataCache <UInt160, ContractState> contracts = blockchain.GetTable <UInt160, ContractState>();
DataCache <StorageKey, StorageItem> storages = blockchain.GetTable <StorageKey, StorageItem>();
CachedScriptTable script_table = new CachedScriptTable(contracts);
StateMachine service = new StateMachine(accounts, validators, assets, contracts, storages);
ApplicationEngine engine = new ApplicationEngine(TriggerType.Application, container, script_table, service, Fixed8.Zero, true);
engine.LoadScript(script, false);
return(engine.Execute() ? engine : null);
}
/**
* run script through ApplicationEngine to determine gas price and bytecode validity
*/
private void btnTestScript_Click(object sender, EventArgs e)
{
if (tx == null)
{
tx = new InvocationTransaction();
}
tx.Version = 1;
tx.Script = txtCustomScriptCopy.Text.HexToBytes();
if (tx.Attributes == null)
{
tx.Attributes = new TransactionAttribute[0];
}
if (tx.Inputs == null)
{
tx.Inputs = new CoinReference[0];
}
if (tx.Outputs == null)
{
tx.Outputs = new TransactionOutput[0];
}
if (tx.Scripts == null)
{
tx.Scripts = new Witness[0];
}
LevelDBBlockchain blockchain = (LevelDBBlockchain)Blockchain.Default;
DataCache <UInt160, AccountState> accounts = blockchain.GetTable <UInt160, AccountState>();
DataCache <ECPoint, ValidatorState> validators = blockchain.GetTable <ECPoint, ValidatorState>();
DataCache <UInt256, AssetState> assets = blockchain.GetTable <UInt256, AssetState>();
DataCache <UInt160, ContractState> contracts = blockchain.GetTable <UInt160, ContractState>();
DataCache <StorageKey, StorageItem> storages = blockchain.GetTable <StorageKey, StorageItem>();
CachedScriptTable script_table = new CachedScriptTable(contracts);
StateMachine service = new StateMachine(accounts, validators, assets, contracts, storages);
////////////////////////////////////////////////////////////
////////////////////////EXPERIMENTAL////////////////////////
//testTx = tx;
//testTx.Gas = Fixed8.Satoshi;
//testTx = GetTransaction();
//ApplicationEngine engine = new ApplicationEngine(TriggerType.Application, testTx, script_table, service, Fixed8.Zero, true);
//engine.LoadScript(testTx.Script, false);
////////////////////////EXPERIMENTAL////////////////////////
////////////////////////////////////////////////////////////
ApplicationEngine engine = new ApplicationEngine(TriggerType.Application, tx, script_table, service, Fixed8.Zero, true);
engine.LoadScript(tx.Script, false);
if (engine.Execute())
{
tx.Gas = engine.GasConsumed - Fixed8.FromDecimal(10);
if (tx.Gas < Fixed8.One)
{
tx.Gas = Fixed8.One;
}
tx.Gas = tx.Gas.Ceiling();
label7.Text = tx.Gas + " gas";
btnInvoke.Enabled = true;
if (engine.EvaluationStack.Count != 0)
{
if (engine.EvaluationStack.Peek().ToString() != "Neo.VM.Types.InteropInterface" && engine.EvaluationStack.Peek().ToString() != "Neo.VM.Types.Array")
{
MessageBox.Show(
"Hex: " + engine.EvaluationStack.Peek().GetByteArray().ToHexString() + "\n"
+ "String: " + System.Text.Encoding.UTF8.GetString(engine.EvaluationStack.Peek().GetByteArray()) + "\n"
+ "BigInt: " + new BigInteger(engine.EvaluationStack.Peek().GetByteArray()),
"Return from Test");
}
}
}
else
{
MessageBox.Show(Strings.ExecutionFailed);
}
}
