diff --git a/Cargo.lock b/Cargo.lock
index ddbf675..f1ae297 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -117,6 +117,184 @@ dependencies = [
  "alloc-no-stdlib",
 ]
 
+[[package]]
+name = "anchor-attribute-access-control"
+version = "0.30.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47fe28365b33e8334dd70ae2f34a43892363012fe239cf37d2ee91693575b1f8"
+dependencies = [
+ "anchor-syn",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "anchor-attribute-account"
+version = "0.30.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c288d496168268d198d9b53ee9f4f9d260a55ba4df9877ea1d4486ad6109e0f"
+dependencies = [
+ "anchor-syn",
+ "bs58 0.5.1",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "anchor-attribute-constant"
+version = "0.30.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49b77b6948d0eeaaa129ce79eea5bbbb9937375a9241d909ca8fb9e006bb6e90"
+dependencies = [
+ "anchor-syn",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "anchor-attribute-error"
+version = "0.30.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d20bb569c5a557c86101b944721d865e1fd0a4c67c381d31a44a84f07f84828"
+dependencies = [
+ "anchor-syn",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "anchor-attribute-event"
+version = "0.30.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cebd8d0671a3a9dc3160c48598d652c34c77de6be4d44345b8b514323284d57"
+dependencies = [
+ "anchor-syn",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "anchor-attribute-program"
+version = "0.30.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "efb2a5eb0860e661ab31aff7bb5e0288357b176380e985bade4ccb395981b42d"
+dependencies = [
+ "anchor-lang-idl",
+ "anchor-syn",
+ "anyhow",
+ "bs58 0.5.1",
+ "heck 0.3.3",
+ "proc-macro2",
+ "quote",
+ "serde_json",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "anchor-derive-accounts"
+version = "0.30.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04368b5abef4266250ca8d1d12f4dff860242681e4ec22b885dcfe354fd35aa1"
+dependencies = [
+ "anchor-syn",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "anchor-derive-serde"
+version = "0.30.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0bb0e0911ad4a70cab880cdd6287fe1e880a1a9d8e4e6defa8e9044b9796a6c"
+dependencies = [
+ "anchor-syn",
+ "borsh-derive-internal 0.10.3",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "anchor-derive-space"
+version = "0.30.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ef415ff156dc82e9ecb943189b0cb241b3a6bfc26a180234dc21bd3ef3ce0cb"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "anchor-lang"
+version = "0.30.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6620c9486d9d36a4389cab5e37dc34a42ed0bfaa62e6a75a2999ce98f8f2e373"
+dependencies = [
+ "anchor-attribute-access-control",
+ "anchor-attribute-account",
+ "anchor-attribute-constant",
+ "anchor-attribute-error",
+ "anchor-attribute-event",
+ "anchor-attribute-program",
+ "anchor-derive-accounts",
+ "anchor-derive-serde",
+ "anchor-derive-space",
+ "arrayref",
+ "base64 0.21.7",
+ "bincode",
+ "borsh 0.10.3",
+ "bytemuck",
+ "getrandom 0.2.15",
+ "solana-program",
+ "thiserror",
+]
+
+[[package]]
+name = "anchor-lang-idl"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31cf97b4e6f7d6144a05e435660fcf757dbc3446d38d0e2b851d11ed13625bba"
+dependencies = [
+ "anchor-lang-idl-spec",
+ "anyhow",
+ "heck 0.3.3",
+ "serde",
+ "serde_json",
+ "sha2 0.10.8",
+]
+
+[[package]]
+name = "anchor-lang-idl-spec"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bdf143115440fe621bdac3a29a1f7472e09f6cd82b2aa569429a0c13f103838"
+dependencies = [
+ "anyhow",
+ "serde",
+]
+
+[[package]]
+name = "anchor-syn"
+version = "0.30.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f99daacb53b55cfd37ce14d6c9905929721137fd4c67bbab44a19802aecb622f"
+dependencies = [
+ "anyhow",
+ "bs58 0.5.1",
+ "heck 0.3.3",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_json",
+ "sha2 0.10.8",
+ "syn 1.0.109",
+ "thiserror",
+]
+
 [[package]]
 name = "android-tzdata"
 version = "0.1.1"
@@ -661,6 +839,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "771fe0050b883fcc3ea2359b1a96bcfbc090b7116eae7c3c512c7a083fdf23d3"
 
+[[package]]
+name = "bs58"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf88ba1141d185c399bee5288d850d63b8369520c1eafc32a0430b5b6c287bf4"
+dependencies = [
+ "tinyvec",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.16.0"
@@ -1632,6 +1819,15 @@ version = "0.14.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
 
+[[package]]
+name = "heck"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c"
+dependencies = [
+ "unicode-segmentation",
+]
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -3501,7 +3697,7 @@ dependencies = [
  "Inflector",
  "base64 0.21.7",
  "bincode",
- "bs58",
+ "bs58 0.4.0",
  "bv",
  "lazy_static",
  "serde",
@@ -3811,7 +4007,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "35a0b24cc4d0ebd5fd45d6bd47bed3790f8a75ade67af8ff24a3d719a8bc93bc"
 dependencies = [
  "block-buffer 0.10.4",
- "bs58",
+ "bs58 0.4.0",
  "bv",
  "either",
  "generic-array",
@@ -3964,7 +4160,7 @@ dependencies = [
  "borsh 0.10.3",
  "borsh 0.9.3",
  "borsh 1.5.0",
- "bs58",
+ "bs58 0.4.0",
  "bv",
  "bytemuck",
  "cc",
@@ -4150,7 +4346,7 @@ dependencies = [
  "async-trait",
  "base64 0.21.7",
  "bincode",
- "bs58",
+ "bs58 0.4.0",
  "indicatif",
  "log",
  "reqwest",
@@ -4174,7 +4370,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a31feddef24d3e0aab189571adea7f109639ef6179fcd3cd34ffc8c73d3409f1"
 dependencies = [
  "base64 0.21.7",
- "bs58",
+ "bs58 0.4.0",
  "jsonrpc-core",
  "reqwest",
  "semver",
@@ -4290,7 +4486,7 @@ dependencies = [
  "bincode",
  "bitflags 2.5.0",
  "borsh 1.5.0",
- "bs58",
+ "bs58 0.4.0",
  "bytemuck",
  "byteorder",
  "chrono",
@@ -4340,7 +4536,7 @@ version = "1.18.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5cb099b2f9c0a65a6f23ced791325141cd68c27b04d11c04fef838a00f613861"
 dependencies = [
- "bs58",
+ "bs58 0.4.0",
  "proc-macro2",
  "quote",
  "rustversion",
@@ -4480,7 +4676,7 @@ dependencies = [
  "base64 0.21.7",
  "bincode",
  "borsh 0.10.3",
- "bs58",
+ "bs58 0.4.0",
  "lazy_static",
  "log",
  "serde",
@@ -4806,6 +5002,7 @@ dependencies = [
 name = "spl-token-2022-client"
 version = "0.0.0"
 dependencies = [
+ "anchor-lang",
  "assert_matches",
  "borsh 0.10.3",
  "num-derive 0.3.3",
@@ -4907,7 +5104,7 @@ version = "0.24.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e385be0d24f186b4ce2f9982191e7101bb737312ad61c1f2f984f34bcf85d59"
 dependencies = [
- "heck",
+ "heck 0.4.1",
  "proc-macro2",
  "quote",
  "rustversion",
@@ -5479,6 +5676,12 @@ dependencies = [
  "tinyvec",
 ]
 
+[[package]]
+name = "unicode-segmentation"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4c87d22b6e3f4a18d4d40ef354e97c90fcb14dd91d7dc0aa9d8a1172ebf7202"
+
 [[package]]
 name = "unicode-width"
 version = "0.1.12"
diff --git a/clients/js/package.json b/clients/js/package.json
index a2fca7f..ae0912d 100644
--- a/clients/js/package.json
+++ b/clients/js/package.json
@@ -34,14 +34,13 @@
   },
   "license": "Apache-2.0",
   "peerDependencies": {
-    "@solana/web3.js": "2.0.0-preview.4"
+    "@solana/web3.js": "2.0.0-rc.0"
   },
   "devDependencies": {
     "@ava/typescript": "^4.1.0",
-    "@solana-program/system": "^0.4.0",
     "@solana/eslint-config-solana": "^3.0.3",
-    "@solana/web3.js": "2.0.0-preview.4",
-    "@solana/webcrypto-ed25519-polyfill": "2.0.0-preview.4",
+    "@solana/web3.js": "2.0.0-rc.0",
+    "@solana/webcrypto-ed25519-polyfill": "2.0.0-rc.0",
     "@types/node": "^20",
     "@typescript-eslint/eslint-plugin": "^7.16.1",
     "@typescript-eslint/parser": "^7.16.1",
diff --git a/clients/rust/Cargo.toml b/clients/rust/Cargo.toml
index 7162de9..8049e94 100644
--- a/clients/rust/Cargo.toml
+++ b/clients/rust/Cargo.toml
@@ -8,10 +8,12 @@ readme = "README.md"
 license-file = "../../LICENSE"
 
 [features]
+anchor = ["dep:anchor-lang"]
 test-sbf = []
 serde = ["dep:serde", "dep:serde_with"]
 
 [dependencies]
+anchor-lang = { version = "0.30.0", optional = true }
 borsh = "^0.10"
 num-derive = "^0.3"
 num-traits = "^0.2"
diff --git a/scripts/check-solana-version.mjs b/scripts/check-solana-version.mjs
index f0844be..28c1d19 100644
--- a/scripts/check-solana-version.mjs
+++ b/scripts/check-solana-version.mjs
@@ -5,7 +5,13 @@ import { getInstalledSolanaVersion, getSolanaVersion } from './utils.mjs';
 const expectedVersion = getSolanaVersion();
 const installedVersion = await getInstalledSolanaVersion();
 
-if (installedVersion !== expectedVersion) {
+if (!installedVersion) {
+  echo(
+    chalk.red('[ ERROR ]'),
+    `No Solana installation found. Please install Solana ${expectedVersion} before proceeding.`
+  );
+  process.exit(1);
+} else if (installedVersion !== expectedVersion) {
   echo(
     chalk.yellow('[ WARNING ]'),
     `The installed Solana version ${installedVersion} does not match the expected version ${expectedVersion}.`
diff --git a/scripts/link-solana-version.mjs b/scripts/link-solana-version.mjs
index acc0a04..f92ae45 100644
--- a/scripts/link-solana-version.mjs
+++ b/scripts/link-solana-version.mjs
@@ -2,16 +2,8 @@
 import 'zx/globals';
 import { getInstalledSolanaVersion, getSolanaVersion } from './utils.mjs';
 
-const installedVersion = await getInstalledSolanaVersion();
 const expectedVersion = getSolanaVersion();
-
-if (installedVersion === expectedVersion) {
-  echo(
-    chalk.green('[ SUCCESS ]'),
-    `The expected Solana version ${expectedVersion} is installed.`
-  );
-  process.exit(0);
-}
+const installedVersion = await getInstalledSolanaVersion();
 
 const installPath = path.join(
   os.homedir(),
@@ -29,28 +21,54 @@ const releasePath = path.join(
 const activeReleasePath = path.join(installPath, 'active_release');
 const hasRelease = await fs.exists(releasePath);
 
-if (hasRelease) {
+if (!installedVersion) {
+  echo(
+    chalk.red('[ ERROR ]'),
+    `No Solana installation found. Solana ${expectedVersion} is required for this project.`
+  );
+  await askToInstallSolana(expectedVersion);
+} else if (installedVersion === expectedVersion) {
+  echo(
+    chalk.green('[ SUCCESS ]'),
+    `The expected Solana version ${expectedVersion} is installed.`
+  );
+} else if (hasRelease) {
   await $`rm -f "${activeReleasePath}"`;
   await $`ln -s "${releasePath}" "${activeReleasePath}"`;
   echo(
     chalk.green('[ SUCCESS ]'),
     `Successfully switched from Solana version ${installedVersion} to ${expectedVersion} to match the project's requirements.`
   );
-  process.exit(0);
+} else {
+  echo(
+    chalk.yellow('[ WARNING ]'),
+    `Cannot switch from Solana version ${installedVersion} to ${expectedVersion} because it is not installed.`
+  );
+  await askToInstallSolana(expectedVersion);
 }
 
-echo(
-  chalk.yellow('[ WARNING ]'),
-  `Cannot switch from Solana version ${installedVersion} to ${expectedVersion} because it is not installed.`
-);
-
-const installRelease = await question('Should we install it now? [y/N] ');
-if (installRelease === 'y') {
-  echo(`Installing Solana ${expectedVersion}...`);
-  await $`sh -c "$(curl -sSfL https://release.solana.com/v${expectedVersion}/install)"`;
+async function askToInstallSolana(version) {
+  const installRelease = await question('Should we install it now? [y/N] ');
+  if (installRelease === 'y') {
+    await installSolana(version);
+    echo(
+      chalk.green('[ SUCCESS ]'),
+      `Successfully installed Solana version ${version}.`
+    );
+  } else {
+    process.exit(1);
+  }
 }
 
-echo(
-  chalk.green('[ SUCCESS ]'),
-  `Successfully switched from Solana version ${installedVersion} to ${expectedVersion} to match the project's requirements.`
-);
+async function installSolana(version) {
+  echo(`Installing Solana ${version}...`);
+  const cutoff = '1.18.19';
+  const isBeforeCutoff =
+    (await $`[[ "$(printf '%s\n' "${cutoff}" "${version}" | sort -V | head -n1)" = "${version}" ]] && [[ "${cutoff}" != "${version}" ]]`.quiet()
+      .exitCode) == 0;
+  if (isBeforeCutoff) {
+    await $`sh -c "$(curl -sSfL https://release.solana.com/v${version}/install)"`;
+  } else {
+    await $`sh -c "$(curl -sSfL https://release.anza.xyz/v${version}/install)"`;
+  }
+}
diff --git a/scripts/utils.mjs b/scripts/utils.mjs
index 274f217..44ee564 100644
--- a/scripts/utils.mjs
+++ b/scripts/utils.mjs
@@ -121,10 +121,6 @@ export async function getInstalledSolanaVersion() {
     const { stdout } = await $`solana --version`.quiet();
     return stdout.match(/(\d+\.\d+\.\d+)/)?.[1];
   } catch (error) {
-    echo(
-      chalk.red('[ ERROR ]'),
-      `No Solana installation found. Please install Solana ${getSolanaVersion()} before proceeding.`
-    );
-    process.exit(1);
+    return '';
   }
 }