Implementing initial version of Wallet Class

.eslintrc.json

@@ -3,7 +3,8 @@
   "extends": [
     "eslint:recommended",
     "plugin:@typescript-eslint/recommended",
-    "plugin:prettier/recommended"
+    "plugin:prettier/recommended",
+    "plugin:jsdoc/recommended"
   ],
   "plugins": ["@typescript-eslint", "prettier"],
   "env": {
@@ -16,7 +17,34 @@
   },
   "rules": {
     "multiline-comment-style": ["error", "starred-block"],
-    "prettier/prettier": "error"
+    "prettier/prettier": "error",
+    "jsdoc/tag-lines": ["error", "any", { "startLines": 1 }],
+    "jsdoc/check-alignment": "error",
+    "jsdoc/no-undefined-types": "off",
+    "jsdoc/check-param-names": "error",
+    "jsdoc/check-tag-names": "error",
+    "jsdoc/check-types": "error",
+    "jsdoc/implements-on-classes": "error",
+    "jsdoc/require-description": "error",
+    "jsdoc/require-jsdoc": [
+      "error",
+      {
+        "require": {
+          "FunctionDeclaration": true,
+          "MethodDefinition": true,
+          "ClassDeclaration": true,
+          "ArrowFunctionExpression": false,
+          "FunctionExpression": false
+        }
+      }
+    ],
+    "jsdoc/require-param": "error",
+    "jsdoc/require-param-description": "error",
+    "jsdoc/require-param-type": "off",
+    "jsdoc/require-returns": "error",
+    "jsdoc/require-returns-description": "error",
+    "jsdoc/require-returns-type": "off",
+    "jsdoc/require-hyphen-before-param-description": ["error", "always"]
   },
   "ignorePatterns": ["src/**/__tests__/**", "src/**/*.test.ts"]
 }

package.json

@@ -39,6 +39,7 @@
     "axios-mock-adapter": "^1.22.0",
     "eslint": "^8.57.0",
     "eslint-config-prettier": "^9.1.0",
+    "eslint-plugin-jsdoc": "^48.2.5",
     "eslint-plugin-prettier": "^5.1.3",
     "jest": "^29.7.0",
     "mock-fs": "^5.2.0",

src/coinbase/address.ts

@@ -12,6 +12,7 @@ export class Address {
 
   /**
    * Initializes a new Address instance.
+   *
    * @param {AddressModel} model - The address model data.
    * @param {AddressAPIClient} client - The API client to interact with address-related endpoints.
    * @throws {InternalError} If the model or client is empty.
@@ -30,6 +31,7 @@ export class Address {
   /**
    * Requests faucet funds for the address.
    * Only supported on testnet networks.
+   *
    * @returns {Promise<FaucetTransaction>} The faucet transaction object.
    * @throws {InternalError} If the request does not return a transaction hash.
    * @throws {Error} If the request fails.
@@ -44,6 +46,7 @@ export class Address {
 
   /**
    * Returns the address ID.
+   *
    * @returns {string} The address ID.
    */
   public getId(): string {
@@ -52,6 +55,7 @@ export class Address {
 
   /**
    * Returns the network ID.
+   *
    * @returns {string} The network ID.
    */
   public getNetworkId(): string {
@@ -60,6 +64,7 @@ export class Address {
 
   /**
    * Returns the public key.
+   *
    * @returns {string} The public key.
    */
   public getPublicKey(): string {
@@ -68,6 +73,7 @@ export class Address {
 
   /**
    * Returns the wallet ID.
+   *
    * @returns {string} The wallet ID.
    */
   public getWalletId(): string {
@@ -76,6 +82,7 @@ export class Address {
 
   /**
    * Returns a string representation of the address.
+   *
    * @returns {string} A string representing the address.
    */
   public toString(): string {

src/coinbase/api_error.ts

@@ -1,3 +1,4 @@
+/* eslint-disable jsdoc/require-jsdoc */
 import { AxiosError } from "axios";
 import { InternalError } from "./errors";
 
@@ -19,7 +20,8 @@ export class APIError extends AxiosError {
 
   /**
    * Initializes a new APIError object.
-   * @constructor
+   *
+   * @class
    * @param {AxiosError} error - The Axios error.
    */
   constructor(error) {
@@ -38,6 +40,7 @@ export class APIError extends AxiosError {
 
   /**
    * Creates a specific APIError based on the API error code.
+   *
    * @param {AxiosError} error - The underlying error object.
    * @returns {APIError} A specific APIError instance.
    */
@@ -100,6 +103,7 @@ export class APIError extends AxiosError {
 
   /**
    * Returns a String representation of the APIError.
+   *
    * @returns {string} a String representation of the APIError
    */
   toString() {

src/coinbase/authenticator.ts

@@ -5,14 +5,16 @@ import { InvalidAPIKeyFormat } from "./errors";
 const pemHeader = "-----BEGIN EC PRIVATE KEY-----";
 const pemFooter = "-----END EC PRIVATE KEY-----";
 
-/* A class that builds JWTs for authenticating with the Coinbase Platform APIs. */
+/**
+ * A class that builds JWTs for authenticating with the Coinbase Platform APIs.
+ */
 export class CoinbaseAuthenticator {
   private apiKey: string;
   private privateKey: string;
 
   /**
    * Initializes the Authenticator.
-   * @constructor
+   *
    * @param {string} apiKey - The API key name.
    * @param {string} privateKey - The private key associated with the API key.
    */
@@ -23,6 +25,7 @@ export class CoinbaseAuthenticator {
 
   /**
    * Middleware to intercept requests and add JWT to Authorization header.
+   *
    * @param {InternalAxiosRequestConfig} config - The request configuration.
    * @param {boolean} debugging - Flag to enable debugging.
    * @returns {Promise<InternalAxiosRequestConfig>} The request configuration with the Authorization header added.
@@ -44,6 +47,7 @@ export class CoinbaseAuthenticator {
 
   /**
    * Builds the JWT for the given API endpoint URL.
+   *
    * @param {string} url - URL of the API endpoint.
    * @param {string} method - HTTP method of the request.
    * @returns {Promise<string>} JWT token.
@@ -93,6 +97,7 @@ export class CoinbaseAuthenticator {
 
   /**
    * Extracts the PEM key from the given private key string.
+   *
    * @param {string} privateKeyString - The private key string.
    * @returns {string} The PEM key.
    * @throws {InvalidAPIKeyFormat} If the private key string is not in the correct format.
@@ -109,6 +114,7 @@ export class CoinbaseAuthenticator {
 
   /**
    * Generates a random nonce for the JWT.
+   *
    * @returns {string} The generated nonce.
    */
   private nonce(): string {

src/coinbase/coinbase.ts

@@ -9,17 +9,29 @@ import { ApiClients } from "./types";
 import { User } from "./user";
 import { logApiResponse, registerAxiosInterceptors } from "./utils";
 
-// The Coinbase SDK.
+/**
+ * The Coinbase SDK.
+ */
 export class Coinbase {
+  /**
+   * The list of supported networks.
+   *
+   * @constant
+   */
+  static networkList = {
+    BaseSepolia: "base-sepolia",
+  };
+
   apiClients: ApiClients = {};
 
   /**
    * Initializes the Coinbase SDK.
-   * @constructor
-   * @param {string} apiKeyName - The API key name.
-   * @param {string} privateKey - The private key associated with the API key.
-   * @param {boolean} debugging - If true, logs API requests and responses to the console.
-   * @param {string} basePath - The base path for the API.
+   *
+   * @class
+   * @param apiKeyName - The API key name.
+   * @param privateKey - The private key associated with the API key.
+   * @param debugging - If true, logs API requests and responses to the console.
+   * @param basePath - The base path for the API.
    * @throws {InternalError} If the configuration is invalid.
    * @throws {InvalidAPIKeyFormat} If not able to create JWT token.
    */
@@ -51,7 +63,10 @@ export class Coinbase {
 
   /**
    * Reads the API key and private key from a JSON file and initializes the Coinbase SDK.
-   * @param {string} filePath - The path to the JSON file containing the API key and private key.
+   *
+   * @param filePath - The path to the JSON file containing the API key and private key.
+   * @param debugging - If true, logs API requests and responses to the console.
+   * @param basePath - The base path for the API.
    * @returns {Coinbase} A new instance of the Coinbase SDK.
    * @throws {InvalidAPIKeyFormat} If the file does not exist or the configuration values are missing/invalid.
    * @throws {InvalidConfiguration} If the configuration is invalid.
@@ -86,6 +101,7 @@ export class Coinbase {
 
   /**
    * Returns User object for the default user.
+   *
    * @returns {User} The default user.
    * @throws {APIError} If the request fails.
    */

src/coinbase/errors.ts

@@ -1,12 +1,12 @@
 /**
  * InvalidaAPIKeyFormat error is thrown when the API key format is invalid.
- * @extends {Error}
  */
 export class InvalidAPIKeyFormat extends Error {
   static DEFAULT_MESSAGE = "Invalid API key format";
 
   /**
    * Initializes a new InvalidAPIKeyFormat instance.
+   *
    * @param message - The error message.
    */
   constructor(message: string = InvalidAPIKeyFormat.DEFAULT_MESSAGE) {
@@ -18,6 +18,26 @@ export class InvalidAPIKeyFormat extends Error {
   }
 }
 
+/**
+ * ArgumentError is thrown when an argument is invalid.
+ */
+export class ArgumentError extends Error {
+  static DEFAULT_MESSAGE = "Argument Error";
+
+  /**
+   * Initializes a new ArgumentError instance.
+   *
+   * @param message - The error message.
+   */
+  constructor(message: string = ArgumentError.DEFAULT_MESSAGE) {
+    super(message);
+    this.name = "ArgumentError";
+    if (Error.captureStackTrace) {
+      Error.captureStackTrace(this, ArgumentError);
+    }
+  }
+}
+
 /**
  * InternalError is thrown when there is an internal error in the SDK.
  */
@@ -26,6 +46,7 @@ export class InternalError extends Error {
 
   /**
    * Initializes a new InternalError instance.
+   *
    * @param message - The error message.
    */
   constructor(message: string = InternalError.DEFAULT_MESSAGE) {
@@ -45,6 +66,7 @@ export class InvalidConfiguration extends Error {
 
   /**
    * Initializes a new InvalidConfiguration instance.
+   *
    * @param message - The error message.
    */
   constructor(message: string = InvalidConfiguration.DEFAULT_MESSAGE) {

src/coinbase/faucet_transaction.ts

@@ -10,7 +10,8 @@ export class FaucetTransaction {
   /**
    * Creates a new FaucetTransaction instance.
    * Do not use this method directly - instead, use Address.faucet().
-   * @constructor
+   *
+   * @class
    * @param {FaucetTransactionModel} model - The FaucetTransaction model.
    * @throws {InternalError} If the model does not exist.
    */
@@ -23,6 +24,7 @@ export class FaucetTransaction {
 
   /**
    * Returns the transaction hash.
+   *
    * @returns {string} The transaction hash.
    */
   public getTransactionHash(): string {
@@ -31,6 +33,7 @@ export class FaucetTransaction {
 
   /**
    * Returns the link to the transaction on the blockchain explorer.
+   *
    * @returns {string} The link to the transaction on the blockchain explorer
    */
   public getTransactionLink(): string {
@@ -40,6 +43,7 @@ export class FaucetTransaction {
 
   /**
    * Returns a string representation of the FaucetTransaction.
+   *
    * @returns {string} A string representation of the FaucetTransaction.
    */
   public toString(): string {

src/coinbase/tests/address_test.ts

@@ -6,14 +6,15 @@ import { FaucetTransaction } from "./../faucet_transaction";
 import MockAdapter from "axios-mock-adapter";
 import { randomUUID } from "crypto";
 import { APIError, FaucetLimitReachedError } from "../api_error";
-import { createAxiosMock } from "./utils";
+import { Coinbase } from "../coinbase";
 import { InternalError } from "../errors";
+import { createAxiosMock } from "./utils";
 
 const newEthAddress = ethers.Wallet.createRandom();
 
 const VALID_ADDRESS_MODEL: AddressModel = {
   address_id: newEthAddress.address,
-  network_id: "base-sepolia",
+  network_id: Coinbase.networkList.BaseSepolia,
   public_key: newEthAddress.publicKey,
   wallet_id: randomUUID(),
 };