public TV2(params string[] args)
{
sig = args[0];
pub = args[1];
flags = args[2];
error = args[3];
scriptSig = ScriptBuilder.ParseTestScript(sig).ToScript();
scriptPub = ScriptBuilder.ParseTestScript(pub).ToScript();
scriptFlags = ScriptInterpreter.ParseFlags(flags);
scriptError = ToScriptError(error);
opcodes = scriptSig.Decode().Select(o => o.Code)
.Concat(scriptPub.Decode().Select(o => o.Code))
.Distinct()
.OrderBy(o => o).ToArray();
keyopcode = opcodes.Length == 0 ? (Opcode?)null : opcodes.Last();
}