public void Demo()
{
// Initialization
// 1. Creating a new local pool ledger configuration that can be used later to connect pool nodes.
// 2. Open pool ledger and get the pool handle from libindy.
// 3. Creates a new identity wallet
// 4. Open identity wallet and get the wallet handle from libindy
// SEE Initialize() above
// 5. Generating and storing steward DID and Verkey
IDid stewardDid = IndyDotNet.Did.Factory.CreateMyDid(_pool, _wallet, new IdentitySeed()
{
Seed = "000000000000000000000000Steward1"
});
// 6. Generating and storing Trust Anchor DID and Verkey
IDid trustAnchor = IndyDotNet.Did.Factory.CreateMyDid(_pool, _wallet, null);
// 7. Build NYM request to add Trust Anchor to the ledger
INymLedger nymLedger = IndyDotNet.Ledger.Factory.CreateNymLedger();
BuildRequestResult nymRequest = nymLedger.BuildRequest(stewardDid, trustAnchor, trustAnchor.VerKey, "", NymRoles.TrustAnchor);
// 8. Sending the nym request to ledger
SignAndSubmitRequestResponse nymResult = nymLedger.SignAndSubmitRequest(_pool, _wallet, stewardDid, nymRequest);
// 9. build the schema definition request
SchemaDefinition schemaDefinition = new SchemaDefinition()
{
Name = "name",
Version = "1.1",
Id = "id"
};
schemaDefinition.AttributeNames.Add("age");
schemaDefinition.AttributeNames.Add("height");
schemaDefinition.AttributeNames.Add("sex");
schemaDefinition.AttributeNames.Add("name");
ISchemaLedger schemaLedger = IndyDotNet.Ledger.Factory.CreateSchemaLedger();
BuildSchemaResult buildSchema = schemaLedger.BuildSchemaRequest(stewardDid, schemaDefinition);
// 10. Sending the SCHEMA request to the ledger
SignAndSubmitRequestResponse signAndSubmitRequestResponse = schemaLedger.SignAndSubmitRequest(_pool, _wallet, stewardDid, buildSchema);
// 11. Creating and storing CLAIM DEFINITION using anoncreds as Trust Anchor, for the given Schema
IIssuerAnonCreds issuer = IndyDotNet.AnonCreds.Factory.GetIssuerAnonCreds(_wallet);
CredentialDefinitionSchema credentialDefinition = new CredentialDefinitionSchema()
{
SequenceNo = 1,
Id = "id",
Name = "name",
Version = "1.1",
Tag = "TAG"
};
credentialDefinition.AttributeNames.Add("age");
credentialDefinition.AttributeNames.Add("height");
credentialDefinition.AttributeNames.Add("sex");
credentialDefinition.AttributeNames.Add("name");
IssuerCredentialDefinition result = issuer.CreateStoreCredentialDef(trustAnchor, credentialDefinition);
Assert.IsNotNull(result);
Assert.IsNotNull(result.SchemaId);
Assert.IsNotNull(result.Tag);
Assert.AreEqual(credentialDefinition.Tag, result.Tag);
Assert.IsNotNull(result.Value);
Assert.IsNotNull(result.Value.Primary);
Assert.IsNotNull(result.Value.Primary.r);
Assert.IsNotNull(result.Value.Primary.r.MasterSecret);
Assert.AreEqual(credentialDefinition.AttributeNames.Count, result.Value.Primary.r.Attributes.Count);
// clean up
// Close and delete wallet
// Close pool
// Delete pool ledger config
// SEE Cleanup() above
}
public void Demo()
{
// Initialization
// 1. Creating a new local pool ledger configuration that can be used later to connect pool nodes.
// 2. Open pool ledger and get the pool handle from libindy.
// 3. Creates a new identity wallet
// 4. Open identity wallet and get the wallet handle from libindy
// SEE Initialize() above
// 5. Generating and storing steward DID and Verkey
IDid stewardDid = IndyDotNet.Did.Factory.CreateMyDid(_pool, _wallet, new IdentitySeed()
{
Seed = "000000000000000000000000Steward1"
});
// 6. Generating and storing Trust Anchor DID and Verkey
IDid trustAnchor = IndyDotNet.Did.Factory.CreateMyDid(_pool, _wallet, null);
// 7. Build NYM request to add Trust Anchor to the ledger
INymLedger nymLedger = IndyDotNet.Ledger.Factory.CreateNymLedger();
BuildRequestResult nymRequest = nymLedger.BuildRequest(stewardDid, trustAnchor, trustAnchor.VerKey, "", NymRoles.TrustAnchor);
// 8. Sending the nym request to ledger
SignAndSubmitRequestResponse nymResult = nymLedger.SignAndSubmitRequest(_pool, _wallet, stewardDid, nymRequest);
// 9. build the schema definition request
SchemaDefinition schemaDefinition = new SchemaDefinition()
{
Name = "name",
Version = "1.1",
Id = "id"
};
schemaDefinition.AttributeNames.Add("age");
schemaDefinition.AttributeNames.Add("height");
schemaDefinition.AttributeNames.Add("sex");
schemaDefinition.AttributeNames.Add("name");
ISchemaLedger schemaLedger = IndyDotNet.Ledger.Factory.CreateSchemaLedger();
BuildSchemaResult buildSchema = schemaLedger.BuildSchemaRequest(stewardDid, schemaDefinition);
// 10. Sending the SCHEMA request to the ledger
SignAndSubmitRequestResponse signAndSubmitRequestResponse = schemaLedger.SignAndSubmitRequest(_pool, _wallet, stewardDid, buildSchema);
// 11. Creating and storing CLAIM DEFINITION using anoncreds as Trust Anchor, for the given Schema
IIssuerAnonCreds issuer = IndyDotNet.AnonCreds.Factory.GetIssuerAnonCreds(_wallet);
CredentialDefinitionSchema credentialschema = new CredentialDefinitionSchema()
{
SequenceNo = 1,
Id = "id",
Name = "name",
Version = "1.1",
Tag = "TAG"
};
credentialschema.AttributeNames.Add("age");
credentialschema.AttributeNames.Add("height");
credentialschema.AttributeNames.Add("sex");
credentialschema.AttributeNames.Add("name");
IssuerCredentialDefinition credentialDefinition = issuer.CreateStoreCredentialDef(trustAnchor, credentialschema);
// 12. Creating Prover wallet and opening it to get the handle
WalletConfig config = new WalletConfig()
{
Id = "ProverIssueCredentialDemoWalletId"
};
_proverWallet = IndyDotNet.Wallet.Factory.GetWallet(config, _credentials);
_proverWallet.Create();
_proverWallet.Open();
// 13. Prover is creating Master Secret
IProverAnonCreds prover = IndyDotNet.AnonCreds.Factory.GetProverAnonCreds(_proverWallet);
prover.CreateMasterSecret("master_secret");
// 14. Issuer(Trust Anchor) is creating a Claim Offer for Prover
IssuerCredentialOffer claimOffer = issuer.CreateCredentialOffer(credentialDefinition.Id);
// 15. Prover creates Claim Request
IDid proverDID = IndyDotNet.Did.Factory.CreateMyDid(_pool, _proverWallet, null);
(ProverCredentialRequest credentialRequest, ProverCredentialRequestMetadata credentialRequestMetadata) = prover.CreateCredentialRequest(proverDID, claimOffer, credentialDefinition, "master_secret");
Assert.AreEqual(credentialRequest.CredDefId, claimOffer.CredDefId);
Assert.AreEqual(credentialRequest.ProverDid, proverDID.Did);
// 16. Issuer(Trust Anchor) creates Claim for Claim Request
AttributeValuesList attributes = new AttributeValuesList();
attributes.Add(new AttributeWithValue()
{
Name = "age",
Value = "27",
CheckValue = "27"
});
attributes.Add(new AttributeWithValue()
{
Name = "height",
Value = "175",
CheckValue = "175"
});
attributes.Add(new AttributeWithValue()
{
Name = "name",
Value = "Alex",
CheckValue = "99262857098057710338306967609588410025648622308394250666849665532448612202874"
});
attributes.Add(new AttributeWithValue()
{
Name = "sex",
Value = "male",
CheckValue = "5944657099558967239210949258394887428692050081607692519917050011144233115103"
});
IssuerCredential issuerCredential = issuer.CreateCredential(claimOffer, credentialRequest, attributes);
// 17. Prover processes and stores Claim
string proverCredentialId = prover.SaveCredential(issuerCredential, credentialDefinition, credentialRequestMetadata);
Assert.IsTrue(string.IsNullOrEmpty(proverCredentialId), "SaveCredential did not return proverCredentialId");
// clean up
// Close and delete wallet
// Close pool
// Delete pool ledger config
// SEE Cleanup() above
}