add project

packages/shared/package.json

@@ -0,0 +1,13 @@
+{
+  "name": "@cryptowallet/shared",
+  "version": "0.1.0",
+  "private": true,
+  "main": "./src/index.ts",
+  "types": "./src/index.ts",
+  "scripts": {
+    "typecheck": "tsc --noEmit"
+  },
+  "devDependencies": {
+    "typescript": "^5.6.0"
+  }
+}

packages/shared/src/constants/chains.ts

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+export const CHAINS = ['ETH', 'BTC', 'SOL', 'TRX'] as const;
+export type Chain = (typeof CHAINS)[number];
+
+export const DERIVATION_PATHS: Record<Chain, string> = {
+  ETH: "m/44'/60'/0'/0/0",
+  BTC: "m/84'/0'/0'/0/0",
+  SOL: "m/44'/501'/0'/0'",
+  TRX: "m/44'/195'/0'/0/0",
+};

packages/shared/src/index.ts

@@ -0,0 +1,3 @@
+export { CHAINS, DERIVATION_PATHS } from './constants/chains';
+export type { Chain } from './constants/chains';
+export type { ApiResponse, AccessTokenPayload, AuthContext } from './types/auth';

packages/shared/src/types/auth.ts

@@ -0,0 +1,22 @@
+export interface ApiResponse<T = unknown> {
+  success: boolean;
+  data?: T;
+  error?: string;
+}
+
+export interface AccessTokenPayload {
+  sub: string;
+  type: string;
+  sid: string;
+  iat: number;
+  nbf: number;
+  exp: number;
+  iss?: string;
+  aud?: string;
+}
+
+export interface AuthContext {
+  userId: string;
+  sid: string;
+  token: AccessTokenPayload;
+}

packages/shared/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "commonjs",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "declaration": true
+  },
+  "include": ["src/**/*"]
+}