test: add initial k6 performance scenarios

tests/performance-tests/atala-performance-tests-k6/.babelrc

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+{
+  "presets": ["@babel/env", "@babel/typescript"],
+  "plugins": [
+    "@babel/proposal-class-properties",
+
+    "@babel/proposal-object-rest-spread"
+  ]
+}

tests/performance-tests/atala-performance-tests-k6/.gitignore

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+node_modules
+yarn-error.log
+dist

tests/performance-tests/atala-performance-tests-k6/README.md

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+## Prerequisites
+
+- [k6](https://k6.io/docs/getting-started/installation)
+- [NodeJS](https://nodejs.org/en/download/)
+- [Yarn](https://yarnpkg.com/getting-started/install) (optional)
+
+## Installation
+
+**Install dependencies**
+
+Clone the generated repository on your local machine, move to the project root folder and install the dependencies defined in [`package.json`](./package.json)
+
+```bash
+$ yarn install
+```
+
+## Running the test
+
+To run a test written in TypeScript, we first have to transpile the TypeScript code into JavaScript and bundle the project
+
+```bash
+$ yarn webpack
+```
+
+This command creates the final test files to the `./dist` folder.
+
+Once that is done, we can run our script the same way we usually do, for instance:
+
+```bash
+$ k6 run dist/connection-flow-test.js
+```

tests/performance-tests/atala-performance-tests-k6/package.json

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+{
+  "name": "typescript",
+  "version": "1.0.0",
+  "main": "index.js",
+  "repository": "ssh://[email protected]/k6io/example-typescript.git",
+  "author": "Simon Aronsson <[email protected]>",
+  "license": "MIT",
+  "devDependencies": {
+    "@babel/core": "7.13.16",
+    "@babel/plugin-proposal-class-properties": "7.13.0",
+    "@babel/plugin-proposal-object-rest-spread": "7.13.8",
+    "@babel/preset-env": "7.13.15",
+    "@babel/preset-typescript": "7.13.0",
+    "@types/k6": "~0.41.0",
+    "@types/webpack": "5.28.0",
+    "babel-loader": "8.2.2",
+    "clean-webpack-plugin": "4.0.0-alpha.0",
+    "copy-webpack-plugin": "^9.0.1",
+    "typescript": "4.2.4",
+    "webpack": "5.35.1",
+    "webpack-cli": "4.6.0",
+    "webpack-glob-entries": "^1.0.1"
+  },
+  "scripts": {
+    "start": "webpack"
+  },
+  "dependencies": {
+    "@input-output-hk/prism-typescript-client": "0.1.0"
+  }
+}

tests/performance-tests/atala-performance-tests-k6/src/actors/Actor.ts

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+import { ConnectionService } from "../common/ConnectionService";
+import { CredentialsService } from "../common/CredentialsService";
+import { ProofsService } from "../common/ProofsService";
+import { DidService } from "../common/DidService";
+
+/**
+ * Base class for all SSI actors
+ */
+export class Actor {
+  connectionService: ConnectionService;
+  credentialsService: CredentialsService;
+  proofsService: ProofsService;
+  didService: DidService;
+  did: string | undefined;
+
+  /**
+   * Constructs a new instance of the Actor class.
+   * @param {string} url - The URL for the services.
+   * @param {string} apiKey - The API key for authentication.
+   */
+  constructor(url: string, apiKey: string) {
+    this.connectionService = new ConnectionService(url, apiKey);
+    this.credentialsService = new CredentialsService(url, apiKey);
+    this.didService = new DidService(url, apiKey);
+    this.proofsService = new ProofsService(url, apiKey);
+  }
+}

tests/performance-tests/atala-performance-tests-k6/src/actors/Holder.ts

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+import { Connection, ConnectionInvitation, IssueCredentialRecord } from "@input-output-hk/prism-typescript-client";
+import { Actor } from "./Actor";
+import { HOLDER_AGENT_API_KEY, HOLDER_AGENT_URL } from "../common/Config";
+
+export class Holder extends Actor {
+  /**
+   * The connection with the Issuer.
+   */
+  connectionWithIssuer: Connection | undefined;
+
+  /**
+   * The connection with the Verifier.
+   */
+  connectionWithVerifier: Connection | undefined;
+
+  /**
+   * The credential issued by the issuer.
+   */
+  credential: IssueCredentialRecord | undefined;
+
+  /**
+   * The DID template used to create an unpublished DID for Holder.
+   * Authentication is the only purpose for the public key required for Holder.
+   */
+  holderDidTemplate: string = `{
+        "documentTemplate": {
+            "publicKeys": [
+                {
+                    "id": "authKey",
+                    "purpose": "authentication"
+                }
+            ],
+            "services": []
+        }
+    }`;
+
+
+  /**
+   * Creates a new instance of Holder.
+   */
+  constructor() {
+    super(HOLDER_AGENT_URL, HOLDER_AGENT_API_KEY);
+  }
+
+  /**
+   * Creates an unpublished DID.
+   */
+  createUnpublishedDid() {
+    this.did = this.didService.createUnpublishedDid(this.holderDidTemplate).longFormDid;
+  }
+
+  /**
+   * Accepts a connection invitation from an issuer.
+   * @param {ConnectionInvitation} invitation - The connection invitation.
+   */
+  acceptIssuerConnection(invitation: ConnectionInvitation) {
+    this.connectionWithIssuer = this.connectionService.acceptConnectionInvitation(invitation);
+  }
+
+  /**
+   * Accepts a connection invitation from a verifier.
+   * @param {ConnectionInvitation} invitation - The connection invitation.
+   */
+  acceptVerifierConnection(invitation: ConnectionInvitation) {
+    this.connectionWithVerifier = this.connectionService.acceptConnectionInvitation(invitation);
+  }
+
+  /**
+   * Waits for the connection with the issuer to be finalized.
+   */
+  finalizeConnectionWithIssuer() {
+    this.connectionService.waitForConnectionState(
+      this.connectionWithIssuer!,
+      "ConnectionResponseReceived"
+    );
+  }
+
+  /**
+   * Waits for the connection with the verifier to be finalized.
+   */
+  finalizeConnectionWithVerifier() {
+    this.connectionService.waitForConnectionState(
+      this.connectionWithVerifier!,
+      "ConnectionResponseReceived"
+    );
+  }
+
+  /**
+   * Waits for a credential offer and accepts it.
+   */
+  waitAndAcceptCredentialOffer() {
+    this.credential = this.credentialsService.waitForCredentialOffer();
+    this.credentialsService.acceptCredentialOffer(this.credential, this.did!);
+    this.credentialsService.waitForCredentialState(this.credential, "RequestSent");
+  }
+
+  /**
+   * Waits for the credential to be received.
+   */
+  receiveCredential() {
+    this.credentialsService.waitForCredentialState(this.credential!, "CredentialReceived");
+  }
+
+  /**
+   * Waits for a proof request, accepts it, and waits for the presentation to be sent.
+   */
+  waitAndAcceptProofRequest() {
+    const presentation = this.proofsService.waitForProof();
+    this.proofsService.acceptProofRequest(presentation, this.credential!.recordId);
+    this.proofsService.waitForPresentationState(presentation.presentationId, "PresentationSent");
+  }
+}

tests/performance-tests/atala-performance-tests-k6/src/actors/Issuer.ts

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+import { Connection, IssueCredentialRecord } from "@input-output-hk/prism-typescript-client";
+import { Actor } from "./Actor";
+import { ISSUER_AGENT_API_KEY, ISSUER_AGENT_URL } from "../common/Config";
+
+export class Issuer extends Actor {
+
+  /**
+   * The connection with the holder.
+   */
+  connectionWithHolder: Connection | undefined;
+
+  /**
+   * The connection with the verifier.
+   */
+  connectionWithVerifier: Connection | undefined;
+
+  /**
+   * The credential to be issued.
+   */
+  credential: IssueCredentialRecord | undefined;
+
+  /**
+   * The DID template used to create a DID for Issuer.
+   * assertionMethod is the only purpose for the public key required for Issuer.
+   */
+  issuerDidTemplate: string = `{
+        "documentTemplate": {
+            "publicKeys": [
+                {
+                    "id": "issuanceKey",
+                    "purpose": "assertionMethod"
+                }
+            ],
+            "services": []
+        }
+    }`;
+
+  /**
+   * Creates a new instance of Issuer.
+  */
+  constructor() {
+    super(ISSUER_AGENT_URL, ISSUER_AGENT_API_KEY);
+  }
+
+  /**
+   * Creates a connection with the holder.
+   */
+  createHolderConnection() {
+    this.connectionWithHolder = this.connectionService.createConnection();
+  }
+
+  /**
+   * Waits for the connection with the holder to be finalized.
+   */
+  finalizeConnectionWithHolder() {
+    this.connectionService.waitForConnectionState(
+      this.connectionWithHolder!,
+      "ConnectionResponseSent"
+    );
+  }
+
+  /**
+   * Creates and publishes a DID.
+   */
+  createAndPublishDid() {
+    const unpublishedDid = this.didService.createUnpublishedDid(this.issuerDidTemplate).longFormDid;
+    this.did = this.didService.publishDid(unpublishedDid).didRef;
+    this.didService.waitForDidState(unpublishedDid, "PUBLISHED");
+  }
+
+  /**
+   * Creates a credential offer for the holder.
+   */
+  createCredentialOffer() {
+    this.credential = this.credentialsService.createCredentialOffer(this.did!, this.connectionWithHolder!);
+    this.credentialsService.waitForCredentialState(this.credential!, "OfferSent");
+  }
+
+  /**
+   * Receives credential request from the holder.
+   */
+  receiveCredentialRequest() {
+    this.credentialsService.waitForCredentialState(this.credential!, "RequestReceived");
+  }
+
+  /**
+   * Issues the credential to the holder.
+   */
+  issueCredential() {
+    this.credentialsService.issueCredential(this.credential!);
+    this.credentialsService.waitForCredentialState(this.credential!, "CredentialSent");
+  }
+}

tests/performance-tests/atala-performance-tests-k6/src/actors/Verifier.ts

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+import { Connection } from "@input-output-hk/prism-typescript-client";
+import { Actor } from "./Actor";
+import { VERIFIER_AGENT_API_KEY, VERIFIER_AGENT_URL } from "../common/Config";
+
+export class Verifier extends Actor {
+
+  /**
+   * The connection with the Holder.
+   */
+  connectionWithHolder: Connection | undefined;
+
+  /**
+   * Presentation ID.
+   */
+  presentationId: string | undefined;
+
+  /**
+   * Creates a new instance of Verifier.
+   */
+  constructor() {
+    super(VERIFIER_AGENT_URL, VERIFIER_AGENT_API_KEY);
+  }
+
+  /**
+   * Creates a connection with the holder.
+   */
+  createHolderConnection() {
+    this.connectionWithHolder = this.connectionService.createConnection();
+  }
+
+  /**
+   * Waits for the connection with the holder to be finalized.
+   */
+  finalizeConnectionWithHolder() {
+    this.connectionService.waitForConnectionState(
+      this.connectionWithHolder!,
+      "ConnectionResponseSent"
+    );
+  }
+
+  /**
+   * Requests proof from the holder.
+   */
+  requestProof() {
+    this.presentationId = this.proofsService.requestProof(this.connectionWithHolder!);
+  }
+
+  /**
+   * Acknowledges the proof received from the holder.
+   */
+  acknowledgeProof() {
+    this.proofsService.waitForPresentationState(this.presentationId!, "PresentationVerified");
+  }
+}

tests/performance-tests/atala-performance-tests-k6/src/actors/index.ts

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+import { Actor } from "./Actor";
+import { Holder } from "./Holder";
+import { Issuer } from "./Issuer";
+import { Verifier } from "./Verifier";
+export { Actor, Holder, Issuer, Verifier };