private static void AssertFullySigned(HwiTester tester, PSBT psbt)
{
var txbuilder = tester.Network.CreateTransactionBuilder();
txbuilder.AddCoins(psbt.Inputs.Select(i => i.GetCoin()));
Assert.True(txbuilder.Verify(psbt.ExtractTransaction()), "The transaction should be fully signed");
}
async Task <HwiTester> CreateTester(bool needDevice = true)
{
var tester = await HwiTester.CreateAsync(LoggerFactory);
if (needDevice)
{
await tester.EnsureHasDevice();
}
return(tester);
}
private async Task <PSBT> CreatePSBT(HwiTester tester, ScriptPubKeyType addressType)
{
var accountKeyPath = new RootedKeyPath(tester.Device.Fingerprint.Value, GetKeyPath(addressType));
var accountKey = await tester.Device.GetXPubAsync(accountKeyPath.KeyPath);
Logger.LogInformation($"Signing with xpub {accountKeyPath}: {accountKey}...");
List <Transaction> knownTransactions = new List <Transaction>();
TransactionBuilder builder = accountKey.Network.CreateTransactionBuilder();
CreateCoin(builder, knownTransactions, addressType, Money.Coins(1.0m), accountKey, "0/0");
CreateCoin(builder, knownTransactions, addressType, Money.Coins(1.2m), accountKey, "0/1");
builder.Send(new Key().PubKey.GetScriptPubKey(addressType), Money.Coins(2.0m));
builder.SetChange(accountKey.Derive(new KeyPath("1/0")).ExtPubKey.PubKey.GetScriptPubKey(addressType));
builder.SendEstimatedFees(new FeeRate(1.0m));
var psbt = builder.BuildPSBT(false);
psbt.AddTransactions(knownTransactions.ToArray());
psbt.AddKeyPath(accountKey, new KeyPath[] { new KeyPath("0/0"), new KeyPath("0/1"), new KeyPath("1/0") });
psbt.RebaseKeyPaths(accountKey, accountKeyPath);
return(psbt);
}
