/// <inheritdoc />
public async Task RefreshBalanceAsync(IAgentContext agentContext, PaymentAddressRecord paymentAddress = null)
{
if (paymentAddress == null)
{
var provisioning = await provisioningService.GetProvisioningAsync(agentContext.Wallet);
if (provisioning.DefaultPaymentAddressId == null)
{
throw new AriesFrameworkException(ErrorCode.RecordNotFound, "Default PaymentAddressRecord not found");
}
paymentAddress = await recordService.GetAsync <PaymentAddressRecord>(agentContext.Wallet, provisioning.DefaultPaymentAddressId);
}
// Cache sources data in record for one hour
var request = await IndyPayments.BuildGetPaymentSourcesAsync(agentContext.Wallet, null, paymentAddress.Address);
var response = await IndyLedger.SubmitRequestAsync(await agentContext.Pool, request.Result);
var sourcesJson = await IndyPayments.ParseGetPaymentSourcesAsync(paymentAddress.Method, response);
var sources = sourcesJson.ToObject <IList <IndyPaymentInputSource> >();
paymentAddress.Sources = sources;
paymentAddress.SourcesSyncedAt = DateTime.Now;
await recordService.UpdateAsync(agentContext.Wallet, paymentAddress);
}
protected async Task FundAccountAsync(ulong amount, string address)
{
var request = await IndyPayments.BuildMintRequestAsync(Context.Wallet, Trustee.Did,
new[] { new { recipient = address, amount = amount } }.ToJson(), null);
await TrusteeMultiSignAndSubmitRequestAsync(request.Result);
}
protected async Task FundDefaultAccountAsync(ulong amount)
{
var record = await provisioningService.GetProvisioningAsync(Context.Wallet);
var addressRecord = await recordService.GetAsync <PaymentAddressRecord>(Context.Wallet, record.DefaultPaymentAddressId);
// Mint tokens to the address to fund initially
var request = await IndyPayments.BuildMintRequestAsync(Context.Wallet, Trustee.Did,
new[] { new { recipient = addressRecord.Address, amount = amount } }.ToJson(), null);
await TrusteeMultiSignAndSubmitRequestAsync(request.Result);
await paymentService.RefreshBalanceAsync(Context, addressRecord);
}
private async Task <IDictionary <string, ulong> > GetTransactionFeesAsync(IAgentContext agentContext)
{
if (_transactionFees == null)
{
var feesRequest = await IndyPayments.BuildGetTxnFeesRequestAsync(agentContext.Wallet, null, TokenConfiguration.MethodName);
var feesResponse = await IndyLedger.SubmitRequestAsync(await agentContext.Pool, feesRequest);
var feesParsed = await IndyPayments.ParseGetTxnFeesResponseAsync(TokenConfiguration.MethodName, feesResponse);
_transactionFees = feesParsed.ToObject <IDictionary <string, ulong> >();
}
return(_transactionFees);
}
/// <inheritdoc />
public async Task <PaymentAddressRecord> CreatePaymentAddressAsync(IAgentContext agentContext, AddressOptions configuration = null)
{
var address = await IndyPayments.CreatePaymentAddressAsync(agentContext.Wallet, TokenConfiguration.MethodName,
new { seed = configuration?.Seed }.ToJson());
var addressRecord = new PaymentAddressRecord
{
Id = Guid.NewGuid().ToString("N"),
Method = TokenConfiguration.MethodName,
Address = address,
SourcesSyncedAt = DateTime.MinValue
};
await recordService.AddAsync(agentContext.Wallet, addressRecord);
return(addressRecord);
}
private async Task SetFeesForSchemaTransactionsAsync(ulong amount)
{
var request = await IndyPayments.BuildSetTxnFeesRequestAsync(Context.Wallet, Trustee.Did, TokenConfiguration.MethodName,
new Dictionary <string, ulong>
{
{ "fees_for_schema", amount }
}.ToJson());
await TrusteeMultiSignAndSubmitRequestAsync(request);
request = await IndyLedger.BuildAuthRuleRequestAsync(Trustee.Did, "101", "ADD", "*", "*", "*", new
{
constraint_id = "OR",
auth_constraints = new[] {
new {
metadata = new {
fees = "fees_for_schema"
},
constraint_id = "ROLE",
need_to_be_owner = false,
role = "0",
sig_count = 1
},
new {
metadata = new {
fees = "fees_for_schema"
},
constraint_id = "ROLE",
need_to_be_owner = false,
role = "2",
sig_count = 1
},
new {
metadata = new {
fees = "fees_for_schema"
},
constraint_id = "ROLE",
need_to_be_owner = false,
role = "101",
sig_count = 1
}
}
}.ToJson());
await TrusteeMultiSignAndSubmitRequestAsync(request);
}
private async Task <string> SignAndSubmitAsync(IAgentContext context, string submitterDid, string request, TransactionCost paymentInfo)
{
if (paymentInfo != null)
{
var requestWithFees = await IndyPayments.AddRequestFeesAsync(
wallet : context.Wallet,
submitterDid : null,
reqJson : request,
inputsJson : paymentInfo.PaymentAddress.Sources.Select(x => x.Source).ToJson(),
outputsJson : new[]
{
new IndyPaymentOutputSource
{
Recipient = paymentInfo.PaymentAddress.Address,
Amount = paymentInfo.PaymentAddress.Balance - paymentInfo.Amount
}
}.ToJson(),
extra : null);
request = requestWithFees.Result;
}
var signedRequest = await _signingService.SignRequestAsync(context, submitterDid, request);
var response = await IndyLedger.SubmitRequestAsync(await context.Pool, signedRequest);
EnsureSuccessResponse(response);
if (paymentInfo != null)
{
var responsePayment = await IndyPayments.ParseResponseWithFeesAsync(paymentInfo.PaymentMethod, response);
var paymentOutputs = responsePayment.ToObject <IList <IndyPaymentOutputSource> >();
paymentInfo.PaymentAddress.Sources = paymentOutputs
.Where(x => x.Recipient == paymentInfo.PaymentAddress.Address)
.Select(x => new IndyPaymentInputSource
{
Amount = x.Amount,
PaymentAddress = x.Recipient,
Source = x.Receipt
})
.ToList();
}
return(response);
}
private async Task UnsetFeesForPublicXferTransactionsAsync()
{
var request = await IndyPayments.BuildSetTxnFeesRequestAsync(Context.Wallet, Trustee.Did, TokenConfiguration.MethodName,
new Dictionary <string, ulong>
{
{ "fees_for_xfer", 0 }
}.ToJson());
await TrusteeMultiSignAndSubmitRequestAsync(request);
request = await IndyLedger.BuildAuthRuleRequestAsync(Trustee.Did, "10001", "ADD", "*", "*", "*", new
{
constraint_id = "ROLE",
metadata = new { },
need_to_be_owner = false,
role = "*",
sig_count = 0
}.ToJson());
await TrusteeMultiSignAndSubmitRequestAsync(request);
}
//[Fact(DisplayName = "Transfer funds between Sovrin addresses with ledger fees")]
public async Task TransferFundsAsync()
{
// Generate from address
var addressFrom = await paymentService.CreatePaymentAddressAsync(Context);
await SetFeesForPublicXferTransactionsAsync(2);
// Mint tokens to the address to fund initially
var request = await IndyPayments.BuildMintRequestAsync(Context.Wallet, Trustee.Did,
new[] { new { recipient = addressFrom.Address, amount = 15 } }.ToJson(), null);
await TrusteeMultiSignAndSubmitRequestAsync(request.Result);
// Generate destination address
var addressTo = await paymentService.CreatePaymentAddressAsync(Context);
// Create payment record and make payment
var paymentRecord = new PaymentRecord
{
Address = addressTo.Address,
Amount = 10
};
await recordService.AddAsync(Context.Wallet, paymentRecord);
await paymentService.MakePaymentAsync(Context, paymentRecord, addressFrom);
var fee = await paymentService.GetTransactionFeeAsync(Context, TransactionTypes.XFER_PUBLIC);
Assert.Equal(2UL, fee);
await paymentService.RefreshBalanceAsync(Context, addressFrom);
await paymentService.RefreshBalanceAsync(Context, addressTo);
Assert.Equal(10UL, addressTo.Balance);
Assert.Equal(3UL, addressFrom.Balance);
await UnsetFeesForPublicXferTransactionsAsync();
}
/// <inheritdoc />
public async Task <bool> VerifyPaymentAsync(IAgentContext context, PaymentRecord paymentRecord)
{
if (paymentRecord.State != PaymentState.Paid && paymentRecord.State != PaymentState.ReceiptReceived)
{
throw new AriesFrameworkException(ErrorCode.RecordInInvalidState,
"Payment record must be in state Paid or ReceiptReceived to verify it");
}
var req = await IndyPayments.BuildVerifyPaymentRequestAsync(context.Wallet, null, paymentRecord.ReceiptId);
var res = await IndyLedger.SubmitRequestAsync(await context.Pool, req.Result);
var resParsed = JObject.Parse(await IndyPayments.ParseVerifyPaymentResponseAsync("sov", res));
var receipts = resParsed["receipts"].ToObject <IList <IndyPaymentOutputSource> >()
.Where(x => x.Recipient == paymentRecord.Address)
.ToList();
if (receipts.Any() && receipts.Select(x => x.Amount).Aggregate((x, y) => x + y) == paymentRecord.Amount)
{
return(true);
}
return(false);
}
//[Fact(DisplayName = "Set transaction fees")]
public async Task SetTransactionFees()
{
var request = await IndyPayments.BuildSetTxnFeesRequestAsync(Context.Wallet, Trustee.Did, TokenConfiguration.MethodName,
new Dictionary <string, ulong>
{
{ "101", 1 },
{ "10001", 2 }
}.ToJson());
var response = await TrusteeMultiSignAndSubmitRequestAsync(request);
var jResponse = JObject.Parse(response);
Assert.Equal("REPLY", jResponse["op"].ToString());
// Cleanup and revert back fees to 0
request = await IndyPayments.BuildSetTxnFeesRequestAsync(Context.Wallet, Trustee.Did, TokenConfiguration.MethodName,
new Dictionary <string, ulong>
{
{ "101", 0 },
{ "10001", 0 }
}.ToJson());
await TrusteeMultiSignAndSubmitRequestAsync(request);
}
/// <inheritdoc />
public async Task MakePaymentAsync(IAgentContext agentContext, PaymentRecord paymentRecord,
PaymentAddressRecord addressFromRecord = null)
{
if (paymentRecord.Amount == 0)
{
throw new AriesFrameworkException(ErrorCode.InvalidRecordData, "Cannot make a payment with 0 amount");
}
await paymentRecord.TriggerAsync(PaymentTrigger.ProcessPayment);
if (paymentRecord.Address == null)
{
throw new AriesFrameworkException(ErrorCode.InvalidRecordData, "Payment record is missing an address");
}
var provisioning = await provisioningService.GetProvisioningAsync(agentContext.Wallet);
if (addressFromRecord == null)
{
addressFromRecord = await GetDefaultPaymentAddressAsync(agentContext);
}
await RefreshBalanceAsync(agentContext, addressFromRecord);
if (addressFromRecord.Balance < paymentRecord.Amount)
{
throw new AriesFrameworkException(ErrorCode.PaymentInsufficientFunds,
"Address doesn't have enough funds to make this payment");
}
var txnFee = await GetTransactionFeeAsync(agentContext, TransactionTypes.XFER_PUBLIC);
var paymentResult = await IndyPayments.BuildPaymentRequestAsync(
wallet : agentContext.Wallet,
submitterDid : null,
inputsJson : addressFromRecord.Sources.Select(x => x.Source).ToJson(),
outputsJson : new[]
{
new IndyPaymentOutputSource
{
Amount = paymentRecord.Amount,
Recipient = paymentRecord.Address
},
new IndyPaymentOutputSource
{
Recipient = addressFromRecord.Address,
Amount = addressFromRecord.Balance - paymentRecord.Amount - txnFee
}
}.ToJson(),
extra : null);
var response = await IndyLedger.SignAndSubmitRequestAsync(await agentContext.Pool, agentContext.Wallet,
provisioning.Endpoint.Did, paymentResult.Result);
var paymentResponse = await IndyPayments.ParsePaymentResponseAsync(TokenConfiguration.MethodName, response);
var paymentOutputs = paymentResponse.ToObject <IList <IndyPaymentOutputSource> >();
var paymentOutput = paymentOutputs.SingleOrDefault(x => x.Recipient == paymentRecord.Address);
paymentRecord.ReceiptId = paymentOutput.Receipt;
addressFromRecord.Sources = paymentOutputs
.Where(x => x.Recipient == addressFromRecord.Address)
.Select(x => new IndyPaymentInputSource
{
Amount = x.Amount,
PaymentAddress = x.Recipient,
Source = x.Receipt
})
.ToList();
await recordService.UpdateAsync(agentContext.Wallet, paymentRecord);
await recordService.UpdateAsync(agentContext.Wallet, addressFromRecord);
}