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BIP21 Support for Wallet spending (#1322)

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* BIP21 Support for Wallet spending

* extract bip21 loading to method

* add bip21 parsing test
This commit is contained in:
Andrew Camilleri
2020-02-13 09:18:43 +01:00
committed by GitHub
parent 1a409a441d
commit 07f0d95f56
6 changed files with 109 additions and 26 deletions
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52
BTCPayServer/Controllers/WalletsController.cs
View File

@@ -446,12 +446,13 @@ namespace BTCPayServer.Controllers
}
return View(model);
}
[HttpPost]
[Route("{walletId}/send")]
public async Task<IActionResult> WalletSend(
[ModelBinder(typeof(WalletIdModelBinder))]
WalletId walletId, WalletSendModel vm, string command = "", CancellationToken cancellation = default)
WalletId walletId, WalletSendModel vm, string command = "", CancellationToken cancellation = default, string bip21 = "")
{
if (walletId?.StoreId == null)
return NotFound();
@@ -462,6 +463,13 @@ namespace BTCPayServer.Controllers
if (network == null || network.ReadonlyWallet)
return NotFound();
vm.SupportRBF = network.SupportRBF;
if (!string.IsNullOrEmpty(bip21))
{
LoadFromBIP21(vm, bip21, network);
return View(vm);
}
decimal transactionAmountSum = 0;
if (command == "add-output")
@@ -477,7 +485,6 @@ namespace BTCPayServer.Controllers
vm.Outputs.RemoveAt(index);
return View(vm);
}
if (!vm.Outputs.Any())
{
@@ -593,6 +600,47 @@ namespace BTCPayServer.Controllers
}
private void LoadFromBIP21(WalletSendModel vm, string bip21, BTCPayNetwork network)
{
try
{
if (bip21.StartsWith(network.UriScheme, StringComparison.InvariantCultureIgnoreCase))
{
bip21 = $"bitcoin{bip21.Substring(network.UriScheme.Length)}";
}
var uriBuilder = new NBitcoin.Payment.BitcoinUrlBuilder(bip21, network.NBitcoinNetwork);
vm.Outputs = new List<WalletSendModel.TransactionOutput>()
{
new WalletSendModel.TransactionOutput()
{
Amount = uriBuilder.Amount.ToDecimal(MoneyUnit.BTC),
DestinationAddress = uriBuilder.Address.ToString(),
SubtractFeesFromOutput = false
}
};
if (!string.IsNullOrEmpty(uriBuilder.Label) || !string.IsNullOrEmpty(uriBuilder.Message))
{
TempData.SetStatusMessageModel(new StatusMessageModel()
{
Severity = StatusMessageModel.StatusSeverity.Info,
Html =
$"Payment {(string.IsNullOrEmpty(uriBuilder.Label) ? string.Empty : $" to {uriBuilder.Label}")} {(string.IsNullOrEmpty(uriBuilder.Message) ? string.Empty : $" for {uriBuilder.Message}")}"
});
}
}
catch (Exception)
{
TempData.SetStatusMessageModel(new StatusMessageModel()
{
Severity = StatusMessageModel.StatusSeverity.Error,
Message = "The provided BIP21 payment URI was malformed"
});
}
ModelState.Clear();
}
private IActionResult ViewVault(WalletId walletId, PSBT psbt)
{
return View("WalletSendVault", new WalletSendVaultModel()