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Vault: Allow user to pick the account number

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This commit is contained in:
nicolas.dorier
2019-12-04 15:54:08 +09:00
parent ea5bd6d435
commit 50e7d8389c
4 changed files with 107 additions and 62 deletions
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72
BTCPayServer/Controllers/VaultController.cs
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@@ -193,39 +193,63 @@ namespace BTCPayServer.Controllers
continue;
}
break;
case "ask-xpubs":
case "ask-xpub":
if (await RequireDeviceUnlocking())
{
continue;
}
var askedXpub = JObject.Parse(await websocketHelper.NextMessageAsync(cancellationToken));
var addressType = askedXpub["addressType"].Value<string>();
var accountNumber = askedXpub["accountNumber"].Value<int>();
JObject result = new JObject();
var factory = network.NBXplorerNetwork.DerivationStrategyFactory;
var keyPath = new KeyPath("84'").Derive(network.CoinType).Derive(0, true);
BitcoinExtPubKey xpub = await device.GetXPubAsync(keyPath);
if (fingerprint is null)
{
fingerprint = (await device.GetXPubAsync(new KeyPath("44'"), cancellationToken)).ExtPubKey.ParentFingerprint;
}
result["fingerprint"] = fingerprint.Value.ToString();
var strategy = factory.CreateDirectDerivationStrategy(xpub, new DerivationStrategyOptions()
DerivationStrategyBase strategy = null;
KeyPath keyPath = null;
BitcoinExtPubKey xpub = null;
if (!network.NBitcoinNetwork.Consensus.SupportSegwit && addressType != "legacy")
{
ScriptPubKeyType = ScriptPubKeyType.Segwit
});
AddDerivationSchemeToJson("segwit", result, keyPath, xpub, strategy);
keyPath = new KeyPath("49'").Derive(network.CoinType).Derive(0, true);
xpub = await device.GetXPubAsync(keyPath);
strategy = factory.CreateDirectDerivationStrategy(xpub, new DerivationStrategyOptions()
await websocketHelper.Send("{ \"error\": \"segwit-notsupported\"}", cancellationToken);
continue;
}
if (addressType == "segwit")
{
ScriptPubKeyType = ScriptPubKeyType.SegwitP2SH
});
AddDerivationSchemeToJson("segwitWrapped", result, keyPath, xpub, strategy);
keyPath = new KeyPath("44'").Derive(network.CoinType).Derive(0, true);
xpub = await device.GetXPubAsync(keyPath);
strategy = factory.CreateDirectDerivationStrategy(xpub, new DerivationStrategyOptions()
keyPath = new KeyPath("84'").Derive(network.CoinType).Derive(accountNumber, true);
xpub = await device.GetXPubAsync(keyPath);
strategy = factory.CreateDirectDerivationStrategy(xpub, new DerivationStrategyOptions()
{
ScriptPubKeyType = ScriptPubKeyType.Segwit
});
}
if (addressType == "segwitWrapped")
{
ScriptPubKeyType = ScriptPubKeyType.Legacy
});
AddDerivationSchemeToJson("legacy", result, keyPath, xpub, strategy);
keyPath = new KeyPath("49'").Derive(network.CoinType).Derive(accountNumber, true);
xpub = await device.GetXPubAsync(keyPath);
strategy = factory.CreateDirectDerivationStrategy(xpub, new DerivationStrategyOptions()
{
ScriptPubKeyType = ScriptPubKeyType.SegwitP2SH
});
}
else if (addressType == "legacy")
{
keyPath = new KeyPath("44'").Derive(network.CoinType).Derive(accountNumber, true);
xpub = await device.GetXPubAsync(keyPath);
strategy = factory.CreateDirectDerivationStrategy(xpub, new DerivationStrategyOptions()
{
ScriptPubKeyType = ScriptPubKeyType.Legacy
});
}
result.Add(new JProperty("strategy", strategy.ToString()));
result.Add(new JProperty("accountKey", xpub.ToString()));
result.Add(new JProperty("keyPath", keyPath.ToString()));
await websocketHelper.Send(result.ToString(), cancellationToken);
break;
case "ask-device":
@@ -296,15 +320,5 @@ namespace BTCPayServer.Controllers
.FirstOrDefault(p => p.PaymentId.PaymentType == Payments.PaymentTypes.BTCLike && p.PaymentId.CryptoCode == walletId.CryptoCode);
return paymentMethod;
}
private void AddDerivationSchemeToJson(string propertyName, JObject result, KeyPath keyPath, BitcoinExtPubKey xpub, DerivationStrategyBase strategy)
{
result.Add(new JProperty(propertyName, new JObject()
{
new JProperty("strategy", strategy.ToString()),
new JProperty("accountKey", xpub.ToString()),
new JProperty("keyPath", keyPath.ToString()),
}));
}
}
}