feat: DNS example

Add an example program which stores simple DNS records as compressed
accounts. It consists of the following endpoints:

- create
- update
- delete

Currently it has only Rust SBF tests.

Co-authored-by: Michal Rostecki <vadorovsky@protonmail.com>

.github/workflows/light-system-programs-tests.yml

@@ -68,7 +68,10 @@ jobs:
             sub-tests: '[
               "cargo test-sbf -p token-escrow -- --test-threads=1"
             ]'
-
+          - program: name-service-test
+            sub-tests: '[
+              "cargo test-sbf -p name-service -- --test-threads=1"
+            ]'
 
     steps:
       - name: Checkout sources

Cargo.toml

@@ -12,10 +12,12 @@ members = [
     "programs/system",
     "programs/compressed-token",
     "programs/registry",
+    "sdk",
     "test-utils",
     "utils",
     "xtask",
     "examples/token-escrow/programs/*",
+    "examples/name-service/programs/*",
     "test-programs/*",
     "forester",
     "photon-api",

examples/name-service/.gitignore

@@ -0,0 +1,8 @@
+
+.anchor
+.DS_Store
+target
+**/*.rs.bk
+node_modules
+test-ledger
+.yarn

examples/name-service/.prettierignore

@@ -0,0 +1,8 @@
+
+.anchor
+.DS_Store
+target
+node_modules
+dist
+build
+test-ledger

examples/name-service/Anchor.toml

@@ -0,0 +1,18 @@
+[toolchain]
+
+[features]
+seeds = false
+skip-lint = false
+
+[programs.localnet]
+name_service = "7yucc7fL3JGbyMwg4neUaenNSdySS39hbAk89Ao3t1Hz"
+
+[registry]
+url = "https://api.apr.dev"
+
+[provider]
+cluster = "Localnet"
+wallet = "~/.config/solana/id.json"
+
+[scripts]
+test = "yarn run ts-mocha -p ./tsconfig.json -t 1000000 tests/**/*.ts"

examples/name-service/README.md

@@ -0,0 +1 @@
+# Name Service program example

examples/name-service/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 function (provider) {
+  // Configure client to use the provider.
+  anchor.setProvider(provider);
+
+  // Add your deploy script here.
+};

examples/name-service/package.json

@@ -0,0 +1,20 @@
+{
+  "scripts": {
+    "lint:fix": "prettier \"*/**/*{.js,.ts}\" -w",
+    "lint": "prettier  \"*/**/*{.js,.ts}\" --check",
+    "test": "cargo test-sbf -p name-service -- --test-threads 1"
+  },
+  "dependencies": {
+    "@coral-xyz/anchor": "^0.29.0"
+  },
+  "devDependencies": {
+    "chai": "^4.3.4",
+    "mocha": "^9.0.3",
+    "ts-mocha": "^10.0.0",
+    "@types/bn.js": "^5.1.0",
+    "@types/chai": "^4.3.0",
+    "@types/mocha": "^9.0.0",
+    "typescript": "^4.3.5",
+    "prettier": "^2.6.2"
+  }
+}

examples/name-service/programs/name-service/Cargo.toml

@@ -0,0 +1,41 @@
+[package]
+name = "name-service"
+version = "0.1.0"
+description = "Created with Anchor"
+edition = "2021"
+rust-version = "1.75.0" 
+license = "Apache-2.0"
+
+[lib]
+crate-type = ["cdylib", "lib"]
+name = "name_service"
+
+[features]
+no-entrypoint = []
+no-idl = []
+no-log-ix-name = []
+cpi = ["no-entrypoint"]
+custom-heap = ["light-heap"]
+default = ["custom-heap"]
+test-sbf = []
+bench-sbf = []
+
+[dependencies]
+anchor-lang = { workspace = true, features = ["init-if-needed"] }
+borsh = "0.10"
+light-compressed-token = { path = "../../../../programs/compressed-token", version = "0.5.0", features = ["cpi"] }
+light-system-program = { path = "../../../../programs/system", version = "0.5.0", features = ["cpi"]}
+account-compression = { path = "../../../../programs/account-compression", version = "0.5.0",  features = ["cpi"] }
+light-hasher = { path = "../../../../merkle-tree/hasher", version = "0.3.0" }
+light-heap = { path = "../../../../heap", version = "0.3.0", optional = true }
+light-macros = { path = "../../../../macros/light", version = "0.5.0" }
+light-utils = { path = "../../../../utils", version = "0.3.0" }
+light-verifier = { path = "../../../../circuit-lib/verifier", version = "0.3.0" }
+
+[target.'cfg(not(target_os = "solana"))'.dependencies]
+solana-sdk = "1.18.11"
+
+[dev-dependencies]
+light-test-utils = { path = "../../../../test-utils", version = "0.3.0" }
+solana-program-test = "1.18.11"
+tokio = "1.36.0"

examples/name-service/programs/name-service/Xargo.toml

@@ -0,0 +1,2 @@
+[target.bpfel-unknown-unknown.dependencies.std]
+features = []