/// <summary>
/// Returns the result after passing a script through the VM.
/// This RPC call does not affect the blockchain in any way.
/// </summary>
public RpcInvokeResult InvokeScript(byte[] script, params UInt160[] scriptHashesForVerifying)
{
List <JObject> parameters = new List <JObject> {
script.ToHexString()
};
if (scriptHashesForVerifying.Length > 0)
{
parameters.Add(scriptHashesForVerifying.Select(p => (JObject)p.ToString()).ToArray());
}
return(RpcInvokeResult.FromJson(RpcSend("invokescript", parameters.ToArray())));
}
/// <summary>
/// Returns the result after calling a smart contract at scripthash with the given operation and parameters.
/// This RPC call does not affect the blockchain in any way.
/// </summary>
public RpcInvokeResult InvokeFunction(string scriptHash, string operation, RpcStack[] stacks, params UInt160[] scriptHashesForVerifying)
{
List <JObject> parameters = new List <JObject> {
scriptHash, operation, stacks.Select(p => p.ToJson()).ToArray()
};
if (scriptHashesForVerifying.Length > 0)
{
parameters.Add(scriptHashesForVerifying.Select(p => (JObject)p.ToString()).ToArray());
}
return(RpcInvokeResult.FromJson(RpcSend("invokefunction", parameters.ToArray())));
}
public static RpcInvokeResult FromJson(JObject json)
{
RpcInvokeResult invokeScriptResult = new RpcInvokeResult();
invokeScriptResult.Script = json["script"].AsString();
invokeScriptResult.State = json["state"].TryGetEnum <VMState>();
invokeScriptResult.GasConsumed = json["gas_consumed"].AsString();
try
{
invokeScriptResult.Stack = ((JArray)json["stack"]).Select(p => ContractParameter.FromJson(p)).ToArray();
}
catch { }
invokeScriptResult.Tx = json["tx"]?.AsString();
return(invokeScriptResult);
}
private static Fixed8 GetGasConsumed(byte[] script)
{
RpcInvokeResult response = rpcClient.InvokeScript(script);
if (Fixed8.TryParse(response.GasConsumed, out Fixed8 result))
{
Fixed8 gas = result - Fixed8.FromDecimal(10);
if (gas <= Fixed8.Zero)
{
return(Fixed8.Zero);
}
else
{
return(gas.Ceiling());
}
}
throw new Exception();
}
