public static Script GenerateScriptSig(OffchainScriptParams scriptParams)
{
List <Op> ops = new List <Op>();
ops.AddRange(scriptParams.Pushes.Select(Op.GetPushOp));
ops.Add(scriptParams.IsMultisig ? OpcodeType.OP_1 : OpcodeType.OP_0);
ops.Add(Op.GetPushOp(scriptParams.RedeemScript));
return(new Script(ops));
}
public static OffchainScriptParams ExtractScriptSigParameters(Script script)
{
var ops = script.ToOps().ToArray();
var scriptParams = new OffchainScriptParams();
scriptParams.IsMultisig = ops.Length == 5 && ops[3].Code == OpcodeType.OP_1;
var signCnt = scriptParams.IsMultisig ? 3 : 1;
scriptParams.Pushes = ops.Take(signCnt).Select(o => o.PushData).ToArray();
scriptParams.RedeemScript = ops[ops.Length - 1].PushData;
return(scriptParams);
}