infra_did_comm_dart

Description:

infra did comm dart

infra-did-comm-dart #
Feature provided by infra-did-comm-dart Library :

Make DID-Connect-Request Message
Make DID-Auth-Init Message
Make DID-Auth Message
Make DID-Connected Message
Make DID-Auth-Failed Message
Sign / Verify JWS
Encrypt / Decrypt JWE
Convert Key Ed25519 to X25519
Make shared key using ECDH-ES
Connect to Websocket Server
Make Dynamic QR Code

Installation #

Using pub:

dart pub add infra_did_comm_dart # this not work now cause we are not published yet
dart pub add infra_did_comm_dart --git-url=https://github.com/InfraBlockchain/infra-did-comm-dart.git # you can add with git url
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Examples #
Get more examples in examples and test folder.
Holder & Verifier #

Holder

import "package:infra_did_comm_dart/infra_did_comm_dart.dart";

bool didAuthCallback(String peerDID) {
print("DID Auth Callback");
return true;
}

void didConnectedCallback(String peerDID) {
print("DID Connected Callback");
}

void didAuthFailedCallback(String peerDID) {
print("DID Auth Failed Callback");
}

main() async {
initiatedByHolderScenario();
}

initiatedByHolderScenario() async {
String mnemonic =
"bamboo absorb chief dog box envelope leisure pink alone service spin more";
String did = "did:infra:01:5EX1sTeRrA7nwpFmapyUhMhzJULJSs9uByxHTc6YTAxsc58z";
InfraDIDCommAgent agent = InfraDIDCommAgent(
url: "http://data-market.test.newnal.com:9000",
did: did,
mnemonic: mnemonic,
role: "HOLDER",
);

agent.setDIDAuthCallback(didAuthCallback);
agent.setDIDConnectedCallback(didConnectedCallback);
agent.setDIDAuthFailedCallback(didAuthFailedCallback);

agent.init();

String? socketId = await agent.socketId;
if (socketId != null) {
String holderSocketId = socketId;
final minimalCompactJson = {
"from": "did:infra:01:5EX1sTeRrA7nwpFmapyUhMhzJULJSs9uByxHTc6YTAxsc58z",
"body": {
"i": {"sid": holderSocketId},
"c": {"d": "pet-i.net", "a": "connect"},
},
};
final didConnectRequestMessage =
DIDConnectRequestMessage.fromJson(minimalCompactJson);

String encoded = didConnectRequestMessage.encode(CompressionLevel.json);
print("Holder make encoded request message: $encoded");
} else {
print("Socket ID is null");
}
}
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Verifier

import "package:infra_did_comm_dart/infra_did_comm_dart.dart";

bool didAuthCallback(String peerDID) {
print("DID Auth Callback");
return true;
}

void didConnectedCallback(String peerDID) {
print("DID Connected Callback");
}

void didAuthFailedCallback(String peerDID) {
print("DID Auth Failed Callback");
}

main() async {
String encoded = "" // Get from Holder
initiatedByHolderScenario(encoded);
}

initiatedByHolderScenario(String encoded) async {
String mnemonic =
"bamboo absorb chief dog box envelope leisure pink alone service spin more";
String did = "did:infra:01:5EX1sTeRrA7nwpFmapyUhMhzJULJSs9uByxHTc6YTAxsc58z";
InfraDIDCommAgent agent = InfraDIDCommAgent(
url: "http://data-market.test.newnal.com:9000",
did: did,
mnemonic: mnemonic,
role: "VERIFIER",
);

agent.setDIDAuthCallback(didAuthCallback);
agent.setDIDConnectedCallback(didConnectedCallback);
agent.setDIDAuthFailedCallback(didAuthFailedCallback);

agent.init();
await agent.sendDIDAuthInitMessage(encoded);
if(agent.isConnected){
print("DID Connected");
}
}
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