/// <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);
}
/// <inheritdoc />
public async Task <IndyTaa> GetTaaAsync(string poolName)
{
IndyTaa ParseTaa(string response)
{
var jresponse = JObject.Parse(response);
if (jresponse["result"]["data"].HasValues)
{
return(new IndyTaa
{
Text = jresponse["result"]["data"]["text"].ToString(),
Version = jresponse["result"]["data"]["version"].ToString()
});
}
return(null);
};
if (Taas.TryGetValue(poolName, out var taa))
{
return(taa);
}
var pool = await GetPoolAsync(poolName, 2);
var req = await IndyLedger.BuildGetTxnAuthorAgreementRequestAsync(null, null);
var res = await IndyLedger.SubmitRequestAsync(pool, req);
EnsureSuccessResponse(res);
taa = ParseTaa(res);
Taas.TryAdd(poolName, taa);
return(taa);
}
/// <inheritdoc />
public async Task <IndyAml> GetAmlAsync(string poolName, DateTimeOffset timestamp = default, string version = null)
{
IndyAml ParseAml(string response)
{
var jresponse = JObject.Parse(response);
if (jresponse["result"]["data"].HasValues)
{
return(jresponse["result"]["data"].ToObject <IndyAml>());
}
return(null);
};
if (Amls.TryGetValue(poolName, out var aml))
{
return(aml);
}
var pool = await GetPoolAsync(poolName, 2);
var req = await IndyLedger.BuildGetAcceptanceMechanismsRequestAsync(
submitter_did : null,
timestamp : timestamp == DateTimeOffset.MinValue? -1 : timestamp.ToUnixTimeSeconds(),
version : version);
var res = await IndyLedger.SubmitRequestAsync(pool, req);
EnsureSuccessResponse(res);
aml = ParseAml(res);
Amls.TryAdd(poolName, aml);
return(aml);
}
/// <inheritdoc />
public async Task <IList <AuthorizationRule> > LookupAuthorizationRulesAsync(Pool pool)
{
var req = await IndyLedger.BuildGetAuthRuleRequestAsync(null, null, null, null, null, null);
var res = await IndyLedger.SubmitRequestAsync(pool, req);
EnsureSuccessResponse(res);
var jobj = JObject.Parse(res);
return(jobj["result"]["data"].ToObject <IList <AuthorizationRule> >());
}
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);
}
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);
}
/// <inheritdoc />
public async Task <string> SignRequestAsync(IAgentContext context, string submitterDid, string requestJson)
{
try
{
var provisioning = await provisioningService.GetProvisioningAsync(context.Wallet);
if (provisioning?.TaaAcceptance != null)
{
requestJson = await IndyLedger.AppendTxnAuthorAgreementAcceptanceToRequestAsync(requestJson, provisioning.TaaAcceptance.Text,
provisioning.TaaAcceptance.Version, provisioning.TaaAcceptance.Digest, provisioning.TaaAcceptance.AcceptanceMechanism, (ulong)DateTimeOffset.Now.ToUnixTimeSeconds());
}
}
catch (AriesFrameworkException ex) when(ex.ErrorCode == ErrorCode.RecordNotFound)
{
// OK, used in unit tests and scenarios when we want to simply send ledger commands
}
return(await SignRequestAsync(context.Wallet, submitterDid, requestJson));
}
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);
}
/// <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);
}
/// <inheritdoc />
public Task <string> SignRequestAsync(Wallet wallet, string submitterDid, string requestJson)
{
return(IndyLedger.SignRequestAsync(wallet, submitterDid, requestJson));
}
/// <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);
}
