public static Gen <Transaction> TX(Network network) =>
from version in Gen.Choose(0, Int32.MaxValue)
from inputs in NonEmptyInputs()
from outputs in NonEmptyOutputs()
from locktime in PrimitiveGenerator.UInt32()
let tx = LegacyTransactionGenerators.ComposeTx(Transaction.Create(network), inputs, outputs, locktime)
where tx.HasWitness
select tx;
/// <summary>
/// This is slow, provably because `Add*` methods will iterate over inputs.
/// </summary>
/// <param name="network"></param>
/// <returns></returns>
public static Gen <PSBT> SanePSBT(Network network) =>
from inputN in Gen.Choose(0, 8)
from scripts in Gen.ListOf(inputN, ScriptGenerator.RandomScriptSig())
from txOuts in Gen.Sequence(scripts.Select(sc => OutputFromRedeem(sc)))
from prevN in Gen.Choose(0, 5)
from prevTxs in Gen.Sequence(txOuts.Select(o => TXFromOutput(o, network, prevN)))
let txins = prevTxs.Select(tx => new TxIn(new OutPoint(tx.GetHash(), prevN)))
from locktime in PrimitiveGenerator.UInt32()
let tx = LegacyTransactionGenerators.ComposeTx(network.CreateTransaction(), txins.ToList(), txOuts.ToList(), locktime)
from TxsToAdd in Gen.SubListOf(prevTxs)
from CoinsToAdd in Gen.SubListOf(prevTxs.SelectMany(tx => tx.Outputs.AsCoins()))
from scriptsToAdd in Gen.SubListOf <Script>(scripts)
let psbt = tx.CreatePSBT(network)
.AddTransactions(prevTxs.ToArray())
.AddCoins(CoinsToAdd.ToArray())
.AddScripts(scriptsToAdd.ToArray())
select psbt;
public static Gen <TxIn> WitnessInput() => from txin in LegacyTransactionGenerators.Input() from witscript in ScriptGenerator.RandomWitScript() select AttachWitScript(txin, witscript);