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Limit the number of time the wallet need to export the xpub

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This commit is contained in:
nicolas.dorier
2018-12-26 15:04:11 +09:00
parent caa6978d80
commit 81c9ce7284
3 changed files with 38 additions and 8 deletions
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20
BTCPayServer/Services/HardwareWalletService.cs
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@@ -128,7 +128,13 @@ namespace BTCPayServer.Services
}
}
public async Task<KeyPath> GetKeyPath(BTCPayNetwork network, DirectDerivationStrategy directStrategy, CancellationToken cancellation)
public async Task<bool> CanSign(BTCPayNetwork network, DirectDerivationStrategy strategy, KeyPath keyPath, CancellationToken cancellation)
{
var hwKey = await GetExtPubKey(Ledger, network, keyPath, true, cancellation);
return hwKey.ExtPubKey.PubKey == strategy.Root.PubKey;
}
public async Task<KeyPath> FindKeyPath(BTCPayNetwork network, DirectDerivationStrategy directStrategy, CancellationToken cancellation)
{
List<KeyPath> derivations = new List<KeyPath>();
if (network.NBitcoinNetwork.Consensus.SupportSegwit)
@@ -163,7 +169,17 @@ namespace BTCPayServer.Services
KeyPath changeKeyPath,
CancellationToken cancellationToken)
{
return await Ledger.SignTransactionAsync(signatureRequests, unsigned, changeKeyPath, cancellationToken);
try
{
var signedTransaction = await Ledger.SignTransactionAsync(signatureRequests, unsigned, changeKeyPath, cancellationToken);
if (signedTransaction == null)
throw new Exception("The ledger failed to sign the transaction");
return signedTransaction;
}
catch (Exception ex)
{
throw new Exception("The ledger failed to sign the transaction", ex);
}
}
public void Dispose()