public async Task PostEntitiesAsync()
{
if (entitiesPosted)
{
return;
}
var myDid = await CreateStoreAndPublishDidFromTrusteeAsync();
// create and post credential schema
var createSchemaResult = await AnonCreds.IssuerCreateSchemaAsync(myDid, GVT_SCHEMA_NAME, SCHEMA_VERSION, GVT_SCHEMA_ATTRIBUTES);
var schema = createSchemaResult.SchemaJson;
schemaId = createSchemaResult.SchemaId;
var schemaRequest = await Ledger.BuildSchemaRequestAsync(myDid, schema);
await Ledger.SignAndSubmitRequestAsync(pool, wallet, myDid, schemaRequest);
var getSchemaRequest = await Ledger.BuildGetSchemaRequestAsync(myDid, schemaId);
var getSchemaResponse = await PoolUtils.EnsurePreviousRequestAppliedAsync(pool, getSchemaRequest, response => {
var getSchemaResponseObject = JObject.Parse(response);
return(getSchemaResponseObject["result"]["seqNo"] != null);
});
var parseSchemaResult = await Ledger.ParseGetSchemaResponseAsync(getSchemaResponse);
// create and post credential definition
var createCredDefResult = await AnonCreds.IssuerCreateAndStoreCredentialDefAsync(wallet, myDid, parseSchemaResult.ObjectJson, TAG, null, REV_CRED_DEF_CONFIG);
var credDefJson = createCredDefResult.CredDefJson;
credDefId = createCredDefResult.CredDefId;
var credDefRequest = await Ledger.BuildCredDefRequestAsync(myDid, credDefJson);
await Ledger.SignAndSubmitRequestAsync(pool, wallet, myDid, credDefRequest);
// create and post revocation registry
var tailsWriter = await BlobStorage.OpenWriterAsync("default", TAILS_WRITER_CONFIG);
var revRegConfig = "{\"issuance_type\":null,\"max_cred_num\":5}";
var createRevRegResult = await AnonCreds.IssuerCreateAndStoreRevocRegAsync(wallet, myDid, null, TAG, credDefId, revRegConfig, tailsWriter);
revRegDefId = createRevRegResult.RevRegId;
var revRegDef = createRevRegResult.RevRegDefJson;
var revRegEntry = createRevRegResult.RevRegEntryJson;
var revRegDefRequest = await Ledger.BuildRevocRegDefRequestAsync(myDid, revRegDef);
await Ledger.SignAndSubmitRequestAsync(pool, wallet, myDid, revRegDefRequest);
var revRegEntryRequest = await Ledger.BuildRevocRegEntryRequestAsync(myDid, revRegDefId, "CL_ACCUM", revRegEntry);
await Ledger.SignAndSubmitRequestAsync(pool, wallet, myDid, revRegEntryRequest);
entitiesPosted = true;
}
/// <inheritdoc />
public virtual async Task RegisterRevocationRegistryDefinitionAsync(IAgentContext context, string submitterDid,
string data, TransactionCost paymentInfo = null)
{
var req = await Ledger.BuildRevocRegDefRequestAsync(submitterDid, data);
var res = await SignAndSubmitAsync(context, submitterDid, req, paymentInfo);
}
/// <inheritdoc />
public virtual async Task RegisterRevocationRegistryDefinitionAsync(Wallet wallet, Pool pool, string submitterDid,
string data)
{
var req = await Ledger.BuildRevocRegDefRequestAsync(submitterDid, data);
var res = await Ledger.SignAndSubmitRequestAsync(pool, wallet, submitterDid, req);
EnsureSuccessResponse(res);
}
public async Task TestBuildRevocRegDefRequestWorks()
{
var expectedResult =
"\"operation\":{" +
"\"type\":\"113\"," +
"\"id\":\"RevocRegID\"," +
"\"revocDefType\":\"CL_ACCUM\"," +
"\"tag\":\"TAG1\"," +
"\"credDefId\":\"CredDefID\"," +
"\"value\":{" +
"\"issuanceType\":\"ISSUANCE_ON_DEMAND\"," +
"\"maxCredNum\":5," +
"\"publicKeys\":{" +
"\"accumKey\":{" +
"\"z\":\"1111 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\"" +
"}" +
"}";
var data = "{\n" +
" \"ver\": \"1.0\",\n" +
" \"id\": \"RevocRegID\",\n" +
" \"revocDefType\": \"CL_ACCUM\",\n" +
" \"tag\": \"TAG1\",\n" +
" \"credDefId\": \"CredDefID\",\n" +
" \"value\": {\n" +
" \"issuanceType\": \"ISSUANCE_ON_DEMAND\",\n" +
" \"maxCredNum\": 5,\n" +
" \"tailsHash\": \"s\",\n" +
" \"tailsLocation\": \"http://tails.location.com\",\n" +
" \"publicKeys\": {\n" +
" \"accumKey\": {\n" +
" \"z\": \"1111 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\"\n" +
" }\n" +
" }\n" +
" }\n" +
" }";
var request = await Ledger.BuildRevocRegDefRequestAsync(DID, data);
Assert.IsTrue(request.Replace("\\s+", "").Contains(expectedResult.Replace("\\s+", "")));
}
public async Task testAnoncredsRevocationInteractionIssuanceByDefault()
{
// Issuer create DID
var trusteeDidInfo = await Did.CreateAndStoreMyDidAsync(this.wallet, JsonConvert.SerializeObject(new { seed = TRUSTEE_SEED }));
var issuerDidInfo = await Did.CreateAndStoreMyDidAsync(this.wallet, "{}");
var nymRequest = await Ledger.BuildNymRequestAsync(trusteeDidInfo.Did, issuerDidInfo.Did,
issuerDidInfo.VerKey, null, "TRUSTEE");
await Ledger.SignAndSubmitRequestAsync(pool, wallet, trusteeDidInfo.Did, nymRequest);
var issuerDid = issuerDidInfo.Did;
// Prover create DID
var proverDidInfo = await Did.CreateAndStoreMyDidAsync(proverWallet, "{}");
var proverDid = proverDidInfo.Did;
var proverVerkey = proverDidInfo.VerKey;
// Issuer publish Prover DID
nymRequest = await Ledger.BuildNymRequestAsync(issuerDid, proverDid, proverVerkey, null, null);
await Ledger.SignAndSubmitRequestAsync(pool, wallet, issuerDid, nymRequest);
// ISSUER post to Ledger Schema, CredentialDefinition, RevocationRegistry
// Issuer creates Schema
var schemaInfo =
await AnonCreds.IssuerCreateSchemaAsync(issuerDidInfo.Did, GVT_SCHEMA_NAME,
SCHEMA_VERSION, GVT_SCHEMA_ATTRIBUTES);
var schemaJson = schemaInfo.SchemaJson;
// Issuer posts Schema to Ledger
var schemaRequest = await Ledger.BuildSchemaRequestAsync(issuerDid, schemaJson);
await Ledger.SignAndSubmitRequestAsync(pool, wallet, issuerDid, schemaRequest);
// Issuer get Schema from Ledger
var getSchemaRequest = await Ledger.BuildGetSchemaRequestAsync(issuerDid, schemaInfo.SchemaId);
var getSchemaResponse = await PoolUtils.EnsurePreviousRequestAppliedAsync(pool, getSchemaRequest, response => {
var getSchemaResponseObject = JObject.Parse(response);
return(getSchemaResponseObject["result"]["seqNo"] != null);
});
// !!IMPORTANT!!
// It is important to get Schema from Ledger and parse it to get the correct schema JSON and correspondent id in Ledger
// After that we can create CredentialDefinition for received Schema(not for result of indy_issuer_create_schema)
ParseResponseResult schemaInfo1 = await Ledger.ParseGetSchemaResponseAsync(getSchemaResponse);
schemaJson = schemaInfo1.ObjectJson;
// Issuer creates CredentialDefinition
var credDefInfo =
await AnonCreds.IssuerCreateAndStoreCredentialDefAsync(wallet, issuerDid, schemaJson,
TAG, null, JsonConvert.SerializeObject(new { support_revocation = true }));
var credDefId = credDefInfo.CredDefId;
var credDefJson = credDefInfo.CredDefJson;
// Issuer post CredentialDefinition to Ledger
var credDefRequest = await Ledger.BuildCredDefRequestAsync(issuerDid, credDefJson);
await Ledger.SignAndSubmitRequestAsync(pool, wallet, issuerDid, credDefRequest);
// Issuer creates RevocationRegistry
/* FIXME: getIndyHomePath hard coded forward slash "/". It will not work for Windows. */
var tailsWriterConfig = JsonConvert.SerializeObject(
new
{
base_dir = EnvironmentUtils.GetIndyHomePath("tails"),
uri_pattern = string.Empty
}
);
var tailsWriterHandle = await BlobStorage.OpenWriterAsync("default", tailsWriterConfig);
var revRegInfo =
await AnonCreds.IssuerCreateAndStoreRevocRegAsync(wallet, issuerDid, null, TAG,
credDefId,
JsonConvert.SerializeObject(new { max_cred_num = 5, issuance_type = "ISSUANCE_BY_DEFAULT" }),
tailsWriterHandle);
var revRegId = revRegInfo.RevRegId;
var revRegDefJson = revRegInfo.RevRegDefJson;
var revRegEntryJson = revRegInfo.RevRegEntryJson;
// Issuer posts RevocationRegistryDefinition to Ledger
var revRegDefRequest = await Ledger.BuildRevocRegDefRequestAsync(issuerDid, revRegDefJson);
await Ledger.SignAndSubmitRequestAsync(pool, wallet, issuerDid, revRegDefRequest);
// Issuer posts RevocationRegistryEntry to Ledger
var revRegEntryRequest = await Ledger.BuildRevocRegEntryRequestAsync(issuerDid, revRegId, REVOC_REG_TYPE, revRegEntryJson);
await Ledger.SignAndSubmitRequestAsync(pool, wallet, issuerDid, revRegEntryRequest);
// Issuance Credential for Prover
// Prover creates Master Secret
await AnonCreds.ProverCreateMasterSecretAsync(proverWallet, COMMON_MASTER_SECRET);
// Issuer creates Credential Offer
var credOfferJson = await AnonCreds.IssuerCreateCredentialOfferAsync(wallet, credDefId);
// Prover gets CredentialDefinition from Ledger
var getCredDefRequest = await Ledger.BuildGetCredDefRequestAsync(proverDid, credDefInfo.CredDefId);
var getCredDefResponse = await Ledger.SubmitRequestAsync(pool, getCredDefRequest);
ParseResponseResult credDefIdInfo = await Ledger.ParseGetCredDefResponseAsync(getCredDefResponse);
credDefId = credDefIdInfo.Id;
credDefJson = credDefIdInfo.ObjectJson;
// Prover creates Credential Request
var credReqInfo =
await AnonCreds.ProverCreateCredentialReqAsync(proverWallet, proverDid, credOfferJson,
credDefJson, COMMON_MASTER_SECRET);
var credReqJson = credReqInfo.CredentialRequestJson;
var credReqMetadataJson = credReqInfo.CredentialRequestMetadataJson;
// Issuer creates TailsReader
BlobStorageReader blobStorageReader = await BlobStorage.OpenReaderAsync(TYPE, tailsWriterConfig);
// Issuer creates Credential
// Issuer must not post rev_reg_delta to ledger for ISSUANCE_BY_DEFAULT strategy
var credRegInfo =
await AnonCreds.IssuerCreateCredentialAsync(wallet, credOfferJson, credReqJson,
GVT_CRED_VALUES, revRegId,
blobStorageReader);
var credJson = credRegInfo.CredentialJson;
var credRevId = credRegInfo.RevocId;
// Prover gets RevocationRegistryDefinition
var getRevRegDefRequest = await Ledger.BuildGetRevocRegDefRequestAsync(proverDid, revRegId);
var getRevRegDefResponse = await Ledger.SubmitRequestAsync(pool, getRevRegDefRequest);
ParseResponseResult revRegInfo1 = await Ledger.ParseGetRevocRegDefResponseAsync(getRevRegDefResponse);
revRegId = revRegInfo1.Id;
var revocRegDefJson = revRegInfo1.ObjectJson;
// Prover store received Credential
await AnonCreds.ProverStoreCredentialAsync(proverWallet, "credential1_id",
credReqMetadataJson, credJson, credDefJson,
revocRegDefJson);
// Verifying Prover Credential
Thread.Sleep(3000);
long to = (long)(DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds / 1000;
var proofRequest = JsonConvert.SerializeObject(
new
{
nonce = "123432421212",
name = "proof_req_1",
version = "0.1",
requested_attributes = new
{
attr1_referent = new
{
name = "name"
}
},
requested_predicates = new
{
predicate1_referent = new
{
name = "age",
p_type = ">=",
p_value = 18
}
},
non_revoked = new
{
to = to
}
}
);
// Prover gets Claims for Proof Request
var credentialsJson = await AnonCreds.ProverGetCredentialsForProofReqAsync(proverWallet, proofRequest);
var credentials = JObject.Parse(credentialsJson);
var credsForReferent = (JArray)credentials["attrs"]["attr1_referent"];
var credential = credsForReferent[0]["cred_info"];
// Prover gets RevocationRegistryDelta from Ledger
/* FIXME */
var getRevRegDeltaRequest = await Ledger.BuildGetRevocRegDeltaRequestAsync(proverDid, revRegId, -1, (int)to);
var getRevRegDeltaResponse = await Ledger.SubmitRequestAsync(pool, getRevRegDeltaRequest);
var revRegInfo2 = await Ledger.ParseGetRevocRegDeltaResponseAsync(getRevRegDeltaResponse);
revRegId = revRegInfo2.Id;
var revocRegDeltaJson = revRegInfo2.ObjectJson;
// Prover creates RevocationState
var timestamp = to;
var revStateJson = await AnonCreds.CreateRevocationStateAsync(blobStorageReader,
revocRegDefJson, revocRegDeltaJson, (int)timestamp, credRevId);
// Prover gets Schema from Ledger
getSchemaRequest = await Ledger.BuildGetSchemaRequestAsync(proverDid, schemaInfo1.Id);
getSchemaResponse = await Ledger.SubmitRequestAsync(pool, getSchemaRequest);
ParseResponseResult schemaInfo2 = await Ledger.ParseGetSchemaResponseAsync(getSchemaResponse);
var schemaId = schemaInfo2.Id;
schemaJson = schemaInfo2.ObjectJson;
// Prover creates Proof
var requestedCredentialsJson = JsonConvert.SerializeObject(
new
{
self_attested_attributes = new { },
requested_attributes = new
{
attr1_referent = new
{
cred_id = credential["referent"],
timestamp = timestamp,
revealed = true
}
},
requested_predicates = new
{
predicate1_referent = new
{
cred_id = credential["referent"],
timestamp = timestamp
}
}
}
);
var schemasJson = new JObject(new JProperty(schemaId, JObject.Parse(schemaJson))).ToString();
var credDefsJson = new JObject(new JProperty(credDefId, JObject.Parse(credDefJson))).ToString();
var revStatesJson = new JObject(new JProperty(revRegId, new JObject(new JProperty(timestamp.ToString(), JObject.Parse(revStateJson))))).ToString();
var proofJson = await AnonCreds.ProverCreateProofAsync(proverWallet, proofRequest,
requestedCredentialsJson, COMMON_MASTER_SECRET,
schemasJson, credDefsJson, revStatesJson);
var proof = JObject.Parse(proofJson);
// Verifier gets RevocationRegistry from Ledger
var getRevRegReq = await Ledger.BuildGetRevocRegRequestAsync(DID_MY1, revRegId, (int)timestamp);
var getRevRegResp = await Ledger.SubmitRequestAsync(pool, getRevRegReq);
var revRegInfo3 = await Ledger.ParseGetRevocRegResponseAsync(getRevRegResp);
revRegId = revRegInfo3.Id;
var revRegJson = revRegInfo3.ObjectJson;
// Verifier verifies proof
Assert.AreNotEqual("Alex", proof["requested_proof"]["revealed_attrs"]["attr1_referent"].ToString());
var revRegDefsJson = new JObject(new JProperty(revRegId, JObject.Parse(revRegDefJson))).ToString();
var revRegsJson = new JObject(new JProperty(revRegId, new JObject(new JProperty(timestamp.ToString(), JObject.Parse(revRegJson))))).ToString();
var valid = await AnonCreds.VerifierVerifyProofAsync(proofRequest,
proofJson,
schemasJson,
credDefsJson,
revRegDefsJson,
revRegsJson);
Assert.IsTrue(valid);
// Issuer revokes credential
var revRegDeltaJson = await AnonCreds.IssuerRevokeCredentialAsync(wallet,
blobStorageReader,
revRegId, credRevId);
// Issuer post RevocationRegistryDelta to Ledger
revRegEntryRequest = await Ledger.BuildRevocRegEntryRequestAsync(issuerDid, revRegId, REVOC_REG_TYPE, revRegDeltaJson);
await Ledger.SignAndSubmitRequestAsync(pool, wallet, issuerDid, revRegEntryRequest);
// Verifying Prover Credential after Revocation
Thread.Sleep(3000);
long from = to;
to = (long)(DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds / 1000;
// Prover gets RevocationRegistryDelta from Ledger
getRevRegDeltaRequest = await Ledger.BuildGetRevocRegDeltaRequestAsync(proverDid, revRegId, (int)from, (int)to);
getRevRegDeltaResponse = await Ledger.SubmitRequestAsync(pool, getRevRegDeltaRequest);
var revRegInfo4 = await Ledger.ParseGetRevocRegDeltaResponseAsync(getRevRegDeltaResponse);
revRegId = revRegInfo4.Id;
revocRegDeltaJson = revRegInfo4.ObjectJson;
timestamp = (long)revRegInfo4.Timestamp;
// Prover creates RevocationState
revStateJson = await AnonCreds.CreateRevocationStateAsync(blobStorageReader,
revocRegDefJson, revocRegDeltaJson, (int)timestamp, credRevId);
requestedCredentialsJson = JsonConvert.SerializeObject(
new
{
self_attested_attributes = new { },
requested_attributes = new
{
attr1_referent = new
{
cred_id = credential["referent"],
timestamp = timestamp,
revealed = true
}
},
requested_predicates = new
{
predicate1_referent = new
{
cred_id = credential["referent"],
timestamp = timestamp
}
}
}
);
revStatesJson = new JObject(new JProperty(revRegId, new JObject(new JProperty(timestamp.ToString(), JObject.Parse(revStateJson))))).ToString();
proofJson = await AnonCreds.ProverCreateProofAsync(proverWallet,
proofRequest,
requestedCredentialsJson,
COMMON_MASTER_SECRET,
schemasJson,
credDefsJson,
revStatesJson);
// Verifier gets RevocationRegistry from Ledger
getRevRegReq = await Ledger.BuildGetRevocRegRequestAsync(DID_MY1, revRegId, (int)timestamp);
getRevRegResp = await Ledger.SubmitRequestAsync(pool, getRevRegReq);
var revRegInfo5 = await Ledger.ParseGetRevocRegResponseAsync(getRevRegResp);
revRegId = revRegInfo5.Id;
revRegJson = revRegInfo5.ObjectJson;
timestamp = (long)revRegInfo5.Timestamp;
revRegsJson = new JObject(new JProperty(revRegId, new JObject(new JProperty(timestamp.ToString(), JObject.Parse(revRegJson))))).ToString();
valid = await AnonCreds.VerifierVerifyProofAsync(proofRequest,
proofJson,
schemasJson,
credDefsJson,
revRegDefsJson,
revRegsJson);
Assert.IsFalse(valid);
}