feat: add solana contract versions

Author: gavriliumircea

src/solana/enums.ts

@@ -0,0 +1,19 @@
+export enum Protocol {
+  Airdrops = "airdrops",
+  Lockup = "lockup",
+}
+
+export namespace Version {
+  export enum Airdrops {
+    V1_0 = "v1.0",
+  }
+
+  export enum Lockup {
+    V1_0 = "v1.0",
+  }
+}
+
+export const enums = {
+  Protocol,
+  Version,
+};

src/solana/index.ts

@@ -1,2 +1,3 @@
 export { solanaChains } from "./chains";
 export * from "./idl";
+export * from "./types";

src/solana/types.ts

@@ -0,0 +1,8 @@
+import type * as enums from "./enums";
+
+export namespace SolanaVersion {
+  export type Airdrops = `${enums.Version.Airdrops}` | enums.Version.Airdrops;
+  export type Lockup = `${enums.Version.Lockup}` | enums.Version.Lockup;
+}
+
+export type SolanaVersion = SolanaVersion.Airdrops | SolanaVersion.Lockup;