Added anchor example for transfer hook

Author: 0xCipherCoder

tokens/transfer-hook-transfer-switch/anchor/Anchor.toml

@@ -0,0 +1,18 @@
+[toolchain]
+
+[features]
+resolution = true
+skip-lint = false
+
+[programs.localnet]
+transfer_hook = "2KKm5dexWn2uw7tPTYs4KYc1R2P111rCu7YUEhZyoLh2"
+
+[registry]
+url = "https://api.apr.dev"
+
+[provider]
+cluster = "Localnet"
+wallet = "~/.config/solana/id.json"
+
+[scripts]
+test = "pnpm run ts-mocha -p ./tsconfig.json -t 1000000 tests/*.ts"

tokens/transfer-hook-transfer-switch/anchor/Cargo.toml

@@ -0,0 +1,14 @@
+[workspace]
+members = [
+    "programs/*"
+]
+resolver = "2"
+
+[profile.release]
+overflow-checks = true
+lto = "fat"
+codegen-units = 1
+[profile.release.build-override]
+opt-level = 3
+incremental = false
+codegen-units = 1

tokens/transfer-hook-transfer-switch/anchor/README.md

@@ -0,0 +1,48 @@
+# Transfer Hook Transfer Switch
+
+A Solana program that implements token transfer controls using a hook pattern, allowing wallets to be frozen and unfrozen for tokens.
+
+## Prerequisites
+
+- Rust and Cargo
+- Solana CLI tools
+- Anchor CLI
+- Node.js and Yarn
+
+## Setup
+
+1. Clone the repository
+
+```bash
+   git clone <repository-url>
+   cd <project-directory>
+```
+
+2. Install dependencies:
+
+```bash
+   pnpm install
+```
+
+3. Build the Anchor project
+
+```bash
+   anchor build
+```
+
+4. Sync the program ID:
+
+```bash
+  anchor keys sync
+```
+
+## Running Tests
+
+```bash
+anchor test
+```
+
+## Notes
+
+- Ensure your Solana validator is running locally before running tests.
+- If you encounter any issues, make sure your Anchor.toml and Cargo.toml files are correctly configured for your project.

tokens/transfer-hook-transfer-switch/anchor/migrations/deploy.ts

@@ -0,0 +1,12 @@
+// Migrations are an early feature. Currently, they're nothing more than this
+// single deploy script that's invoked from the CLI, injecting a provider
+// configured from the workspace's Anchor.toml.
+
+const anchor = require('@coral-xyz/anchor');
+
+module.exports = async (provider) => {
+  // Configure client to use the provider.
+  anchor.setProvider(provider);
+
+  // Add your deploy script here.
+};

tokens/transfer-hook-transfer-switch/anchor/package.json

@@ -0,0 +1,26 @@
+{
+  "license": "ISC",
+  "scripts": {
+    "lint:fix": "prettier */*.js \"*/**/*{.js,.ts}\" -w",
+    "lint": "prettier */*.js \"*/**/*{.js,.ts}\" --check",
+    "ts-mocha": "ts-mocha"
+  },
+  "dependencies": {
+    "@coral-xyz/anchor": "^0.30.1",
+    "@solana/spl-token": "^0.4.9",
+    "@solana/web3.js": "^1.95.4"
+  },
+  "devDependencies": {
+    "@types/chai": "^4.3.7",
+    "@types/mocha": "10.0.9",
+    "@types/node": "^22.7.4",
+    "@types/bn.js": "^5.1.0",
+    "anchor-bankrun": "^0.5.0",
+    "borsh": "^2.0.0",
+    "chai": "^4.3.7",
+    "mocha": "10.7.3",
+    "solana-bankrun": "0.4.0",
+    "ts-mocha": "^10.0.0",
+    "typescript": "5.6.3"
+  }
+}