/// <inheritdoc/>
/// <exception cref="ArgumentException"/>
/// <exception cref="ArgumentNullException"/>
/// <exception cref="ArgumentOutOfRangeException"/>
public void SetToMultiSig(Signature sig, IRedeemScript redeem, ITransaction tx, int inputIndex)
{
if (sig is null)
{
throw new ArgumentNullException(nameof(sig), "Signature can not be null.");
}
if (redeem is null)
{
throw new ArgumentNullException(nameof(redeem), "Redeem script can not be null.");
}
if (tx is null)
{
throw new ArgumentNullException(nameof(tx), "Transaction can not be null.");
}
if (inputIndex < 0 || inputIndex >= tx.TxInList.Length)
{
throw new ArgumentOutOfRangeException(nameof(inputIndex), "Invalid input index.");
}
if (redeem.Data.Length > Constants.MaxScriptItemLength)
{
throw new ArgumentOutOfRangeException(nameof(redeem), "Redeem script is bigger than allowed length.");
}
if (redeem.GetRedeemScriptType() != RedeemScriptType.MultiSig)
{
throw new ArgumentException("Invalid redeem script type.");
}
if (!redeem.TryEvaluate(out IOperation[] rdmOps, out _, out string error))
{
throw new ArgumentException($"Can not evaluate redeem script: {error}");
}
// OP_m | pub1 | pub2 | ... | pub(n) | OP_n | OP_CheckMultiSig
if (!((PushDataOp)rdmOps[0]).TryGetNumber(out long m, out error))
{
throw new ArgumentException($"Invalid m ({error}).");
}
if (m < 0)
{
throw new ArgumentOutOfRangeException(nameof(m), "M can not be negative.");
}
if (m == 0)
{
throw new ArgumentOutOfRangeException(nameof(m), "M value zero is not allowed to prevent funds being stolen.");
}
if (!((PushDataOp)rdmOps[^ 2]).TryGetNumber(out long n, out error))
public void GetRedeemScriptTypeTest(IRedeemScript scr, RedeemScriptType expected)
{
RedeemScriptType actual = scr.GetRedeemScriptType();
Assert.Equal(expected, actual);
}
