/// <inheritdoc />
public virtual async Task <string> ProcessProofAsync(Wallet wallet, ProofMessage proof)
{
var(didOrKey, _) = MessageUtils.ParseMessageType(proof.Type);
var connectionSearch =
await ConnectionService.ListAsync(wallet, new SearchRecordQuery { { TagConstants.MyDid, didOrKey } });
if (!connectionSearch.Any())
{
throw new Exception($"Can't find connection record for type {proof.Type}");
}
var connection = connectionSearch.First();
var(requestDetails, _) = await MessageSerializer.UnpackSealedAsync <ProofDetails>(
proof.Content, wallet, connection.MyVk);
var proofJson = requestDetails.ProofJson;
var proofRecordSearch =
await RecordService.SearchAsync <ProofRecord>(wallet,
new SearchRecordQuery { { TagConstants.Nonce, requestDetails.RequestNonce } }, null, 1);
if (!proofRecordSearch.Any())
{
throw new Exception($"Can't find proof record");
}
var proofRecord = proofRecordSearch.Single();
proofRecord.ProofJson = proofJson;
await proofRecord.TriggerAsync(ProofTrigger.Accept);
await RecordService.UpdateAsync(wallet, proofRecord);
return(proofRecord.GetId());
}
/// <inheritdoc />
public virtual async Task <string> ProcessOfferAsync(Wallet wallet, CredentialOfferMessage credentialOffer)
{
var(didOrKey, _) = MessageUtils.ParseMessageType(credentialOffer.Type);
var connectionSearch =
await ConnectionService.ListAsync(wallet, new SearchRecordQuery { { TagConstants.MyDid, didOrKey } });
if (!connectionSearch.Any())
{
throw new Exception($"Can't find connection record for type {credentialOffer.Type}");
}
var connection = connectionSearch.First();
var(offerDetails, _) = await MessageSerializer.UnpackSealedAsync <CredentialOfferDetails>(
credentialOffer.Content, wallet, connection.MyVk);
var offerJson = offerDetails.OfferJson;
var offer = JObject.Parse(offerJson);
var definitionId = offer["cred_def_id"].ToObject <string>();
var schemaId = offer["schema_id"].ToObject <string>();
var nonce = offer["nonce"].ToObject <string>();
// Write offer record to local wallet
var credentialRecord = new CredentialRecord
{
Id = Guid.NewGuid().ToString(),
OfferJson = offerJson,
ConnectionId = connection.GetId(),
CredentialDefinitionId = definitionId,
State = CredentialState.Offered
};
credentialRecord.Tags.Add(TagConstants.ConnectionId, connection.GetId());
credentialRecord.Tags.Add(TagConstants.Role, TagConstants.Holder);
credentialRecord.Tags.Add(TagConstants.Nonce, nonce);
credentialRecord.Tags.Add(TagConstants.SchemaId, schemaId);
credentialRecord.Tags.Add(TagConstants.DefinitionId, definitionId);
await RecordService.AddAsync(wallet, credentialRecord);
return(credentialRecord.GetId());
}
/// <inheritdoc />
public async Task <string> ProcessRequestAsync(Wallet wallet, ConnectionRequestMessage request)
{
Logger.LogInformation(LoggingEvents.StoreConnectionRequest, "Key {0}", request.Key);
var(didOrKey, _) = MessageUtils.ParseMessageType(request.Type);
var connectionSearch = await RecordService.SearchAsync <ConnectionRecord>(wallet,
new SearchRecordQuery { { TagConstants.ConnectionKey, didOrKey } }, null, 1);
var connection = connectionSearch.Single();
var(their, theirKey) =
await MessageSerializer.UnpackSealedAsync <ConnectionDetails>(request.Content, wallet, request.Key);
if (!their.Verkey.Equals(theirKey))
{
throw new ArgumentException("Signed and enclosed keys don't match");
}
await connection.TriggerAsync(ConnectionTrigger.InvitationAccept);
var my = await Did.CreateAndStoreMyDidAsync(wallet, "{}");
await Did.StoreTheirDidAsync(wallet, new { did = their.Did, verkey = their.Verkey }.ToJson());
connection.Endpoint = their.Endpoint;
connection.TheirDid = their.Did;
connection.TheirVk = their.Verkey;
connection.MyDid = my.Did;
connection.MyVk = my.VerKey;
connection.Tags[TagConstants.MyDid] = my.Did;
connection.Tags[TagConstants.TheirDid] = their.Did;
await RecordService.UpdateAsync(wallet, connection);
if (connection.Tags.Any(_ => _.Key == TagConstants.AutoAcceptConnection && _.Value == "true"))
{
await AcceptRequestAsync(wallet, connection.ConnectionId);
}
return(connection.GetId());
}