/// <returns>(allowed, reject-reason)</returns>
public static async Task <(bool accept, string rejectReason)> TestMempoolAcceptAsync(this RPCClient rpc, IEnumerable <Coin> coins)
{
// Check if mempool would accept a fake transaction created with the registered inputs.
// This will catch ascendant/descendant count and size limits for example.
var fakeTransaction = rpc.Network.CreateTransaction();
fakeTransaction.Inputs.AddRange(coins.Select(coin => new TxIn(coin.Outpoint)));
Money fakeOutputValue = NBitcoinHelpers.TakeAReasonableFee(coins.Sum(coin => coin.TxOut.Value));
fakeTransaction.Outputs.Add(fakeOutputValue, new Key());
MempoolAcceptResult testMempoolAcceptResult = await rpc.TestMempoolAcceptAsync(fakeTransaction, allowHighFees : true);
if (!testMempoolAcceptResult.IsAllowed)
{
string rejected = testMempoolAcceptResult.RejectReason;
if (!(rejected.Contains("mandatory-script-verify-flag-failed", StringComparison.OrdinalIgnoreCase) ||
rejected.Contains("non-mandatory-script-verify-flag", StringComparison.OrdinalIgnoreCase)))
{
return(false, rejected);
}
}
return(true, "");
}
