public static async Task Execute()
{
Console.WriteLine("Ledger sample -> started");
var myWalletName = "myWallet";
var theirWalletName = "theirWallet";
try
{
//1. Create and Open Pool
await PoolUtils.CreatePoolLedgerConfig();
//2. Create and Open My Wallet
await WalletUtils.CreateWalleatAsync(PoolUtils.DEFAULT_POOL_NAME, myWalletName, "default", null, null);
// 3. Create and Open Trustee Wallet
await WalletUtils.CreateWalleatAsync(PoolUtils.DEFAULT_POOL_NAME, theirWalletName, "default", null, null);
//4. Open pool and wallets in using statements to ensure they are closed when finished.
using (var pool = await Pool.OpenPoolLedgerAsync(PoolUtils.DEFAULT_POOL_NAME, "{}"))
using (var myWallet = await Wallet.OpenWalletAsync(myWalletName, null, null))
using (var theirWallet = await Wallet.OpenWalletAsync(theirWalletName, null, null))
{
//5. Create My Did
var createMyDidResult = await Signus.CreateAndStoreMyDidAsync(myWallet, "{}");
//6. Create Their Did
var createTheirDidResult = await Signus.CreateAndStoreMyDidAsync(theirWallet, "{}");
var theirDid = createTheirDidResult.Did;
var theirVerkey = createTheirDidResult.VerKey;
//7. Store Their DID
var identityJson = string.Format("{{\"did\":\"{0}\", \"verkey\":\"{1}\"}}", theirDid, theirVerkey);
await Signus.StoreTheirDidAsync(myWallet, identityJson);
//8. Their sign message
var msgBytes = Encoding.UTF8.GetBytes("{\n" +
" \"reqId\":1495034346617224651,\n" +
" \"identifier\":\"GJ1SzoWzavQYfNL9XkaJdrQejfztN4XqdsiV4ct3LXKL\",\n" +
" \"operation\":{\n" +
" \"type\":\"1\",\n" +
" \"dest\":\"4efZu2SXufS556yss7W5k6Po37jt4371RM4whbPKBKdB\"\n" +
" }\n" +
"}");
var signatureBytes = await Signus.SignAsync(theirWallet, theirDid, msgBytes);
//9. Verify message
var valid = await Signus.VerifySignatureAsync(myWallet, pool, theirDid, msgBytes, signatureBytes);
Debug.Assert(valid == true);
//10. Close wallets and pool
await myWallet.CloseAsync();
await theirWallet.CloseAsync();
await pool.CloseAsync();
}
}
finally
{
// 12. Delete wallets and Pool ledger config
await WalletUtils.DeleteWalletAsync(myWalletName, null);
await WalletUtils.DeleteWalletAsync(theirWalletName, null);
await PoolUtils.DeletePoolLedgerConfigAsync(PoolUtils.DEFAULT_POOL_NAME);
}
Console.WriteLine("Ledger sample -> completed");
}
public static async Task Execute()
{
Console.WriteLine("Agent sample -> started");
var listenerWalletName = "listenerWallet";
var trusteeWalletName = "trusteeWallet";
var endpoint = "127.0.0.1:9801";
var message = "test";
var trusteeSeed = "000000000000000000000000Trustee1";
try
{
//1. Create Pool
await PoolUtils.CreatePoolLedgerConfig();
//2. Create Listener Wallet
await WalletUtils.CreateWalleatAsync(PoolUtils.DEFAULT_POOL_NAME, listenerWalletName, "default", null, null);
//3. Create Trustee Wallet
await WalletUtils.CreateWalleatAsync(PoolUtils.DEFAULT_POOL_NAME, trusteeWalletName, "default", null, null);
//4. Open pool and wallets in using statements to ensure they are closed when finished.
using (var pool = await Pool.OpenPoolLedgerAsync(PoolUtils.DEFAULT_POOL_NAME, "{}"))
using (var listenerWallet = await Wallet.OpenWalletAsync(listenerWalletName, null, null))
using (var trusteeWallet = await Wallet.OpenWalletAsync(trusteeWalletName, null, null))
{
var senderWallet = trusteeWallet;
//5. Create My Did
var createMyDidResult = await Signus.CreateAndStoreMyDidAsync(listenerWallet, "{}");
var listenerDid = createMyDidResult.Did;
var listenerVerkey = createMyDidResult.VerKey;
var listenerPk = createMyDidResult.Pk;
//6. Create Their Did from Trustee seed
var trusteeDidJson = string.Format("{{\"seed\":\"{0}\"}}", trusteeSeed);
var trusteeDidResult = await Signus.CreateAndStoreMyDidAsync(trusteeWallet, trusteeDidJson);
var trusteeDid = trusteeDidResult.Did;
var senderDid = trusteeDid;
//7. Prepare and Send NYM request with signing
var nymRequest = await Ledger.BuildNymRequestAsync(trusteeDid, listenerDid, listenerVerkey, null, null);
await Ledger.SignAndSubmitRequestAsync(pool, trusteeWallet, trusteeDid, nymRequest);
//8. Prepare and Send Attrib for listener (will be requested from ledger and used by sender at start connection)
var rawAttribJson = string.Format("{{\"endpoint\":{{\"ha\":\"{0}\",\"verkey\":\"{1}\"}}}}", endpoint, listenerPk);
var attribRequest = await Ledger.BuildAttribRequestAsync(listenerDid, listenerDid, null, rawAttribJson, null);
await Ledger.SignAndSubmitRequestAsync(pool, listenerWallet, listenerDid, attribRequest);
//9. start listener on endpoint
var activeListener = await AgentListener.ListenAsync(endpoint);
//10. Allow listener accept incoming connection for specific DID (listener_did)
await activeListener.AddIdentityAsync(pool, listenerWallet, listenerDid);
//11. Initiate connection from sender to listener
var sendingConnection = await AgentConnection.ConnectAsync(pool, senderWallet, senderDid, listenerDid);
var connectionEvent = await activeListener.WaitForConnectionAsync();
var receivingConnection = connectionEvent.Connection;
//12. Send test message from sender to listener
await sendingConnection.SendAsync(message);
var messageEvent = await receivingConnection.WaitForMessageAsync();
Debug.Assert(string.Equals(message, messageEvent.Message));
//13. Close connection
await sendingConnection.CloseAsync();
//14. Close listener
await activeListener.CloseAsync();
//15. Close wallets and pool
await listenerWallet.CloseAsync();
await trusteeWallet.CloseAsync();
await pool.CloseAsync();
}
}
finally
{
// 16. Delete Pool ledger config and wallets
await PoolUtils.DeletePoolLedgerConfigAsync(PoolUtils.DEFAULT_POOL_NAME);
await WalletUtils.DeleteWalletAsync(listenerWalletName, null);
await WalletUtils.DeleteWalletAsync(trusteeWalletName, null);
}
Console.WriteLine("Agent sample -> completed");
}
public static async Task Execute()
{
var issuerWalletName = "issuerWallet";
var proverWalletName = "proverWallet";
try
{
//1. Create and Open Pool
await PoolUtils.CreatePoolLedgerConfig();
//2. Issuer Create and Open Wallet
await WalletUtils.CreateWalleatAsync(PoolUtils.DEFAULT_POOL_NAME, issuerWalletName, "default", null, null);
//3. Prover Create and Open Wallet
await WalletUtils.CreateWalleatAsync(PoolUtils.DEFAULT_POOL_NAME, proverWalletName, "default", null, null);
//4. Open pool and wallets in using statements to ensure they are closed when finished.
using (var pool = await Pool.OpenPoolLedgerAsync(PoolUtils.DEFAULT_POOL_NAME, "{}"))
using (var issuerWallet = await Wallet.OpenWalletAsync(issuerWalletName, null, null))
using (var proverWallet = await Wallet.OpenWalletAsync(proverWalletName, null, null))
{
//5. Issuer create ClaimDef
var schemaJson = "{\n" +
" \"seqNo\":1,\n" +
" \"data\": {\n" +
" \"name\":\"gvt\",\n" +
" \"version\":\"1.0\",\n" +
" \"attr_names\":[\"age\",\"sex\",\"height\",\"name\"]\n" +
" }\n" +
"}";
var issuerDid = "NcYxiDXkpYi6ov5FcYDi1e";
var claimDef = await AnonCreds.IssuerCreateAndStoreClaimDefAsync(issuerWallet, issuerDid, schemaJson, null, false);
//6. Prover create Master Secret
var masterSecret = "masterSecretName";
await AnonCreds.ProverCreateMasterSecretAsync(proverWallet, masterSecret);
//7. Prover store Claim Offer
var claimOffer = string.Format("{{\"issuer_did\":\"{0}\", \"schema_seq_no\":{1}}}", issuerDid, 1);
await AnonCreds.ProverStoreClaimOfferAsync(proverWallet, claimOffer);
//8. Prover get Claim Offers
var claimOfferFilter = string.Format("{{\"issuer_did\":\"{0}\"}}", issuerDid);
var claimOffersJson = await AnonCreds.ProverGetClaimOffersAsync(proverWallet, claimOfferFilter);
var claimOffersObject = JArray.Parse(claimOffersJson);
Debug.Assert(claimOffersObject.Count == 1);
var claimOfferObject = (JObject)claimOffersObject[0];
var claimOfferJson = claimOfferObject.ToString();
//9. Prover create ClaimReq
var proverDid = "BzfFCYk";
var claimReq = await AnonCreds.ProverCreateAndStoreClaimReqAsync(proverWallet, proverDid, claimOfferJson, claimDef, masterSecret);
Debug.Assert(claimReq != null);
//10. Issuer create Claim
var claimAttributesJson = "{\n" +
" \"sex\":[\"male\",\"5944657099558967239210949258394887428692050081607692519917050011144233115103\"],\n" +
" \"name\":[\"Alex\",\"1139481716457488690172217916278103335\"],\n" +
" \"height\":[\"175\",\"175\"],\n" +
" \"age\":[\"28\",\"28\"]\n" +
"}";
var createClaimResult = await AnonCreds.IssuerCreateClaimAsync(issuerWallet, claimReq, claimAttributesJson, -1);
var claimJson = createClaimResult.ClaimJson;
//11. Prover store Claim
await AnonCreds.ProverStoreClaimAsync(proverWallet, claimJson);
//12. Prover gets Claims for Proof Request
var proofRequestJson = "{\n" +
" \"nonce\":\"123432421212\",\n" +
" \"name\":\"proof_req_1\",\n" +
" \"version\":\"0.1\",\n" +
" \"requested_attrs\":{\"attr1_uuid\":{\"schema_seq_no\":1,\"name\":\"name\"},\n" +
" \"attr2_uuid\":{\"schema_seq_no\":1,\"name\":\"sex\"}},\n" +
" \"requested_predicates\":{\"predicate1_uuid\":{\"attr_name\":\"age\",\"p_type\":\"GE\",\"value\":18}}\n" +
" }";
var claimsForProofJson = await AnonCreds.ProverGetClaimsForProofReqAsync(proverWallet, proofRequestJson);
var claimsForProof = JObject.Parse(claimsForProofJson);
var claimsForAttribute1 = (JArray)claimsForProof["attrs"]["attr1_uuid"];
var claimsForAttribute2 = (JArray)claimsForProof["attrs"]["attr1_uuid"];
var claimsForPredicate = (JArray)claimsForProof["predicates"]["predicate1_uuid"];
Debug.Assert(claimsForAttribute1.Count == 1);
Debug.Assert(claimsForAttribute2.Count == 1);
Debug.Assert(claimsForPredicate.Count == 1);
var claimUuid = claimsForAttribute1[0].Value <string>("claim_uuid");
//13. Prover create Proof
var selfAttestedValue = "yes";
var requestedClaimsJson = string.Format("{{\n" +
" \"self_attested_attributes\":{{\"self1\":\"{0}\"}},\n" +
" \"requested_attrs\":{{\"attr1_uuid\":[\"{1}\", true],\n" +
" \"attr2_uuid\":[\"{2}\", false]}},\n" +
" \"requested_predicates\":{{\"predicate1_uuid\":\"{3}\"}}\n" +
"}}", selfAttestedValue, claimUuid, claimUuid, claimUuid);
var schemasJson = string.Format("{{\"{0}\":{1}}}", claimUuid, schemaJson);
var claimDefsJson = string.Format("{{\"{0}\":{1}}}", claimUuid, claimDef);
var revocRegsJson = "{}";
var proofJson = await AnonCreds.ProverCreateProofAsync(proverWallet, proofRequestJson, requestedClaimsJson, schemasJson,
masterSecret, claimDefsJson, revocRegsJson);
var proof = JObject.Parse(proofJson);
//14. Verifier verify Proof
Debug.Assert(string.Equals("Alex", proof["requested_proof"]["revealed_attrs"]["attr1_uuid"][1].ToString()));
Debug.Assert(proof["requested_proof"]["unrevealed_attrs"].Value <string>("attr2_uuid") != null);
Debug.Assert(string.Equals(selfAttestedValue, proof["requested_proof"]["self_attested_attrs"].Value <string>("self1")));
var valid = await AnonCreds.VerifierVerifyProofAsync(proofRequestJson, proofJson, schemasJson, claimDefsJson, revocRegsJson);
Debug.Assert(valid == true);
//15. Close wallets and pool
await issuerWallet.CloseAsync();
await proverWallet.CloseAsync();
await pool.CloseAsync();
}
}
finally
{
//16. Delete wallets and Pool ledger config
await WalletUtils.DeleteWalletAsync(issuerWalletName, null);
await WalletUtils.DeleteWalletAsync(proverWalletName, null);
await PoolUtils.DeletePoolLedgerConfigAsync(PoolUtils.DEFAULT_POOL_NAME);
}
Console.WriteLine("Anoncreds sample -> completed");
}
public static async Task Execute()
{
Console.WriteLine("Ledger sample -> started");
var myWalletName = "myWallet";
var theirWalletName = "theirWallet";
var trusteeSeed = "000000000000000000000000Trustee1";
try
{
// 1. Create ledger config from genesis txn file
await PoolUtils.CreatePoolLedgerConfig();
// 2. Create and Open My Wallet
await WalletUtils.CreateWalleatAsync(PoolUtils.DEFAULT_POOL_NAME, myWalletName, "default", null, null);
// 3. Create and Open Trustee Wallet
await WalletUtils.CreateWalleatAsync(PoolUtils.DEFAULT_POOL_NAME, theirWalletName, "default", null, null);
//4. Open pool and wallets in using statements to ensure they are closed when finished.
using (var pool = await Pool.OpenPoolLedgerAsync(PoolUtils.DEFAULT_POOL_NAME, "{}"))
using (var myWallet = await Wallet.OpenWalletAsync(myWalletName, null, null))
using (var trusteeWallet = await Wallet.OpenWalletAsync(theirWalletName, null, null))
{
//5. Create My Did
var createMyDidResult = await Signus.CreateAndStoreMyDidAsync(myWallet, "{}");
var myDid = createMyDidResult.Did;
var myVerkey = createMyDidResult.VerKey;
//6. Create Did from Trustee1 seed
var theirDidJson = string.Format("{{\"seed\":\"{0}\"}}", trusteeSeed);
var createTheirDidResult = await Signus.CreateAndStoreMyDidAsync(trusteeWallet, theirDidJson);
var trusteeDid = createTheirDidResult.Did;
//7. Build Nym Request
var nymRequest = await Ledger.BuildNymRequestAsync(trusteeDid, myDid, myVerkey, null, null);
//8. Trustee Sign Nym Request
var nymResponseJson = await Ledger.SignAndSubmitRequestAsync(pool, trusteeWallet, trusteeDid, nymRequest);
var nymResponse = JObject.Parse(nymResponseJson);
Debug.Assert(string.Equals(myDid, nymResponse["result"].Value <string>("dest")));
Debug.Assert(string.Equals(myVerkey, nymResponse["result"].Value <string>("verkey")));
//9. Close wallets and pool
await myWallet.CloseAsync();
await trusteeWallet.CloseAsync();
await pool.CloseAsync();
}
}
finally
{
//10. Delete wallets and Pool ledger config
await WalletUtils.DeleteWalletAsync(myWalletName, null);
await WalletUtils.DeleteWalletAsync(theirWalletName, null);
await PoolUtils.DeletePoolLedgerConfigAsync(PoolUtils.DEFAULT_POOL_NAME);
}
Console.WriteLine("Ledger sample -> completed");
}