public static string GetEntrySignature(ABI.Types.Entry entry)
{
string signature = entry.Name + "(";
StringBuilder builder = new StringBuilder();
foreach (ABI.Types.Entry.Types.Param param in entry.Inputs)
{
if (builder.Length > 0)
{
builder.Append(",");
}
builder.Append(param.Type);
}
signature += builder.ToString() + ")";
return(signature);
}
private static bool IsConstant(ABI abi, byte[] selector)
{
bool result = false;
if (selector == null || selector.Length != 4 || abi.Entrys.Count == 0)
{
return(false);
}
for (int i = 0; i < abi.Entrys.Count; i++)
{
ABI.Types.Entry entry = abi.Entrys[i];
if (entry.Type != ABI.Types.Entry.Types.EntryType.Function)
{
continue;
}
int input_count = entry.Inputs.Count;
StringBuilder sb = new StringBuilder();
sb.Append(entry.Name);
sb.Append("(");
for (int k = 0; k < input_count; k++)
{
var param = entry.Inputs[k];
sb.Append(param.Type);
if (k + 1 < input_count)
{
sb.Append(",");
}
}
sb.Append(")");
byte[] func_selector = new byte[4];
Array.Copy(Hash.SHA3(sb.ToString().ToBytes()), 0, func_selector, 0, 4);
if (func_selector.SequenceEqual(selector))
{
result = entry.Constant == true || entry.StateMutability.Equals(StateMutabilityType.View);
}
}
return(result);
}
