private async Task <(IssuerCreateCredentialResult, RevocationRegistryRecord)> IssueCredentialSafeAsync(
IAgentContext agentContext,
DefinitionRecord definitionRecord,
CredentialRecord credentialRecord)
{
BlobStorageReader tailsReader = null;
RevocationRegistryRecord revocationRecord = null;
if (definitionRecord.SupportsRevocation)
{
revocationRecord = await RecordService.GetAsync <RevocationRegistryRecord>(agentContext.Wallet, definitionRecord.CurrentRevocationRegistryId);
tailsReader = await TailsService.OpenTailsAsync(revocationRecord.TailsFile);
}
try
{
return(await AnonCreds.IssuerCreateCredentialAsync(
agentContext.Wallet,
credentialRecord.OfferJson,
credentialRecord.RequestJson,
CredentialUtils.FormatCredentialValues(credentialRecord.CredentialAttributesValues),
definitionRecord.CurrentRevocationRegistryId,
tailsReader), revocationRecord);
}
catch (RevocationRegistryFullException)
{
if (!definitionRecord.RevocationAutoScale)
{
throw;
}
}
var registryIndex = definitionRecord.CurrentRevocationRegistryId.Split(':').LastOrDefault()?.Split('-').FirstOrDefault();
string registryTag;
if (int.TryParse(registryIndex, out var currentIndex))
{
registryTag = $"{currentIndex + 1}-{definitionRecord.MaxCredentialCount}";
}
else
{
registryTag = $"1-{definitionRecord.MaxCredentialCount}";
}
var(_, nextRevocationRecord) = await SchemaService.CreateRevocationRegistryAsync(agentContext, registryTag, definitionRecord);
definitionRecord.CurrentRevocationRegistryId = nextRevocationRecord.Id;
await RecordService.UpdateAsync(agentContext.Wallet, definitionRecord);
tailsReader = await TailsService.OpenTailsAsync(nextRevocationRecord.TailsFile);
return(await AnonCreds.IssuerCreateCredentialAsync(
agentContext.Wallet,
credentialRecord.OfferJson,
credentialRecord.RequestJson,
CredentialUtils.FormatCredentialValues(credentialRecord.CredentialAttributesValues),
nextRevocationRecord.Id,
tailsReader), nextRevocationRecord);
}
/// <inheritdoc />
public async Task <(IssuerCreateAndStoreRevocRegResult, RevocationRegistryRecord)> CreateRevocationRegistryAsync(
IAgentContext context,
string tag,
DefinitionRecord definitionRecord)
{
var tailsHandle = await TailsService.CreateTailsAsync();
var revocationRegistryDefinitionJson = new
{
issuance_type = "ISSUANCE_BY_DEFAULT",
max_cred_num = definitionRecord.MaxCredentialCount
}.ToJson();
var revocationRegistry = await AnonCreds.IssuerCreateAndStoreRevocRegAsync(
wallet : context.Wallet,
issuerDid : definitionRecord.IssuerDid,
type : null,
tag : tag,
credDefId : definitionRecord.Id,
configJson : revocationRegistryDefinitionJson,
tailsWriter : tailsHandle);
var revocationRecord = new RevocationRegistryRecord
{
Id = revocationRegistry.RevRegId,
CredentialDefinitionId = definitionRecord.Id
};
// Update tails location URI
var revocationDefinition = JObject.Parse(revocationRegistry.RevRegDefJson);
var tailsfile = Path.GetFileName(revocationDefinition["value"]["tailsLocation"].ToObject <string>());
var tailsLocation = Url.Combine(
AgentOptions.EndpointUri,
AgentOptions.RevocationRegistryUriPath,
tailsfile);
revocationDefinition["value"]["tailsLocation"] = tailsLocation;
revocationRecord.TailsFile = tailsfile;
revocationRecord.TailsLocation = tailsLocation;
//paymentInfo = await paymentService.GetTransactionCostAsync(context, TransactionTypes.REVOC_REG_DEF);
await LedgerService.RegisterRevocationRegistryDefinitionAsync(
context : context,
submitterDid : definitionRecord.IssuerDid,
data : revocationDefinition.ToString(),
paymentInfo : null);
await RecordService.AddAsync(context.Wallet, revocationRecord);
await LedgerService.SendRevocationRegistryEntryAsync(
context : context,
issuerDid : definitionRecord.IssuerDid,
revocationRegistryDefinitionId : revocationRegistry.RevRegId,
revocationDefinitionType : "CL_ACCUM",
value : revocationRegistry.RevRegEntryJson,
paymentInfo : null);
return(revocationRegistry, revocationRecord);
}
/// <inheritdoc />
public virtual async Task <string> CreateCredentialDefinitionAsync(Pool pool, Wallet wallet, string schemaId,
string issuerDid, string tag, bool supportsRevocation, int maxCredentialCount, Uri tailsBaseUri)
{
var definitionRecord = new DefinitionRecord();
var schema = await LedgerService.LookupSchemaAsync(pool, schemaId);
var credentialDefinition = await AnonCreds.IssuerCreateAndStoreCredentialDefAsync(wallet, issuerDid,
schema.ObjectJson, tag, null, new { support_revocation = supportsRevocation }.ToJson());
await LedgerService.RegisterCredentialDefinitionAsync(wallet, pool, issuerDid,
credentialDefinition.CredDefJson);
definitionRecord.SupportsRevocation = supportsRevocation;
definitionRecord.Id = credentialDefinition.CredDefId;
definitionRecord.SchemaId = schemaId;
if (supportsRevocation)
{
definitionRecord.MaxCredentialCount = maxCredentialCount;
var tailsHandle = await TailsService.CreateTailsAsync();
var revRegDefConfig =
new { issuance_type = "ISSUANCE_ON_DEMAND", max_cred_num = maxCredentialCount }.ToJson();
var revocationRegistry = await AnonCreds.IssuerCreateAndStoreRevocRegAsync(wallet, issuerDid, null,
"Tag2", credentialDefinition.CredDefId, revRegDefConfig, tailsHandle);
// Update tails location URI
var revocationDefinition = JObject.Parse(revocationRegistry.RevRegDefJson);
var tailsfile = Path.GetFileName(revocationDefinition["value"]["tailsLocation"].ToObject <string>());
revocationDefinition["value"]["tailsLocation"] = new Uri(tailsBaseUri, tailsfile).ToString();
await LedgerService.RegisterRevocationRegistryDefinitionAsync(wallet, pool, issuerDid,
revocationDefinition.ToString());
await LedgerService.SendRevocationRegistryEntryAsync(wallet, pool, issuerDid,
revocationRegistry.RevRegId, "CL_ACCUM", revocationRegistry.RevRegEntryJson);
var revocationRecord = new RevocationRegistryRecord
{
Id = revocationRegistry.RevRegId,
TailsFile = tailsfile,
CredentialDefinitionId = credentialDefinition.CredDefId
};
await RecordService.AddAsync(wallet, revocationRecord);
}
await RecordService.AddAsync(wallet, definitionRecord);
return(credentialDefinition.CredDefId);
}
/// <inheritdoc />
public virtual async Task <string> CreateCredentialDefinitionAsync(IAgentContext context, string schemaId,
string issuerDid, string tag, bool supportsRevocation, int maxCredentialCount, Uri tailsBaseUri)
{
var definitionRecord = new DefinitionRecord();
var schema = await LedgerService.LookupSchemaAsync(await context.Pool, schemaId);
var credentialDefinition = await AnonCreds.IssuerCreateAndStoreCredentialDefAsync(context.Wallet, issuerDid,
schema.ObjectJson, tag, null, new { support_revocation = supportsRevocation }.ToJson());
var paymentInfo = await paymentService.GetTransactionCostAsync(context, TransactionTypes.CRED_DEF);
await LedgerService.RegisterCredentialDefinitionAsync(context : context,
submitterDid : issuerDid,
data : credentialDefinition.CredDefJson,
paymentInfo : paymentInfo);
if (paymentInfo != null)
{
await RecordService.UpdateAsync(context.Wallet, paymentInfo.PaymentAddress);
}
definitionRecord.SupportsRevocation = supportsRevocation;
definitionRecord.Id = credentialDefinition.CredDefId;
definitionRecord.SchemaId = schemaId;
if (supportsRevocation)
{
definitionRecord.MaxCredentialCount = maxCredentialCount;
var tailsHandle = await TailsService.CreateTailsAsync();
var revRegDefConfig =
new { issuance_type = "ISSUANCE_ON_DEMAND", max_cred_num = maxCredentialCount }.ToJson();
var revocationRegistry = await AnonCreds.IssuerCreateAndStoreRevocRegAsync(context.Wallet, issuerDid, null,
"Tag2", credentialDefinition.CredDefId, revRegDefConfig, tailsHandle);
// Update tails location URI
var revocationDefinition = JObject.Parse(revocationRegistry.RevRegDefJson);
var tailsfile = Path.GetFileName(revocationDefinition["value"]["tailsLocation"].ToObject <string>());
revocationDefinition["value"]["tailsLocation"] = new Uri(tailsBaseUri, tailsfile).ToString();
paymentInfo = await paymentService.GetTransactionCostAsync(context, TransactionTypes.REVOC_REG_DEF);
await LedgerService.RegisterRevocationRegistryDefinitionAsync(context : context,
submitterDid : issuerDid,
data : revocationDefinition.ToString(),
paymentInfo : paymentInfo);
if (paymentInfo != null)
{
await RecordService.UpdateAsync(context.Wallet, paymentInfo.PaymentAddress);
}
paymentInfo = await paymentService.GetTransactionCostAsync(context, TransactionTypes.REVOC_REG_ENTRY);
await LedgerService.SendRevocationRegistryEntryAsync(context : context,
issuerDid : issuerDid,
revocationRegistryDefinitionId : revocationRegistry.RevRegId,
revocationDefinitionType : "CL_ACCUM",
value : revocationRegistry.RevRegEntryJson,
paymentInfo : paymentInfo);
if (paymentInfo != null)
{
await RecordService.UpdateAsync(context.Wallet, paymentInfo.PaymentAddress);
}
var revocationRecord = new RevocationRegistryRecord
{
Id = revocationRegistry.RevRegId,
TailsFile = tailsfile,
CredentialDefinitionId = credentialDefinition.CredDefId
};
await RecordService.AddAsync(context.Wallet, revocationRecord);
}
await RecordService.AddAsync(context.Wallet, definitionRecord);
return(credentialDefinition.CredDefId);
}
