From c9bb45ea36c0f60305a610ca63b8837cc40a0a1d Mon Sep 17 00:00:00 2001
From: Joe <jcaulfield135@gmail.com>
Date: Wed, 31 Jan 2024 21:11:42 -0600
Subject: [PATCH] refactor(experimental): add `ClusterUrl` types

---
 packages/rpc-types/src/cluster-url.ts | 14 ++++++++++++++
 packages/rpc-types/src/index.ts       |  1 +
 2 files changed, 15 insertions(+)
 create mode 100644 packages/rpc-types/src/cluster-url.ts

diff --git a/packages/rpc-types/src/cluster-url.ts b/packages/rpc-types/src/cluster-url.ts
new file mode 100644
index 000000000000..b1e244eade0d
--- /dev/null
+++ b/packages/rpc-types/src/cluster-url.ts
@@ -0,0 +1,14 @@
+export type MainnetUrl = string & { '~cluster': 'mainnet' };
+export type DevnetUrl = string & { '~cluster': 'devnet' };
+export type TestnetUrl = string & { '~cluster': 'testnet' };
+export type ClusterUrl = string | MainnetUrl | DevnetUrl | TestnetUrl;
+
+export function mainnet(putativeString: string): MainnetUrl {
+    return putativeString as MainnetUrl;
+}
+export function devnet(putativeString: string): DevnetUrl {
+    return putativeString as DevnetUrl;
+}
+export function testnet(putativeString: string): TestnetUrl {
+    return putativeString as TestnetUrl;
+}
diff --git a/packages/rpc-types/src/index.ts b/packages/rpc-types/src/index.ts
index ef2e47bf4b09..ef807dc3dddf 100644
--- a/packages/rpc-types/src/index.ts
+++ b/packages/rpc-types/src/index.ts
@@ -1,4 +1,5 @@
 export * from './blockhash';
+export * from './cluster-url';
 export * from './commitment';
 export * from './encoded-bytes';
 export * from './lamports';