Quadratic Voting: Client support

package.json

@@ -38,7 +38,7 @@
         "trailingComma": "all"
     },
     "dependencies": {
-        "@project-serum/anchor": "^0.24.2",
+        "@project-serum/anchor": "^0.25.0",
         "@project-serum/serum": "^0.13.61"
     }
 }

src/index.ts

@@ -1,3 +1,4 @@
 export * from './nftVoter/client';
 export * from './gateway/client';
 export * from './realmVoter/client';
+export * from './quadraticVoter/client';

src/quadraticVoter/client.ts

@@ -0,0 +1,23 @@
+import { Program, Provider } from '@project-serum/anchor';
+import { PublicKey } from '@solana/web3.js';
+import { Quadratic, IDL } from './quadratic';
+
+export const QUADRATIC_PLUGIN_ID = new PublicKey(
+  'quadCSapU8nTdLg73KHDnmdxKnJQsh7GUbu5tZfnRRr'
+);
+
+export class QuadraticClient {
+  constructor(public program: Program<Quadratic>, public devnet?: boolean) {}
+
+  static async connect(
+    provider: Provider,
+    devnet?: boolean,
+  ): Promise<QuadraticClient> {
+    const idl = IDL;
+
+    return new QuadraticClient(
+      new Program<Quadratic>(idl, QUADRATIC_PLUGIN_ID, provider),
+      devnet,
+    );
+  }
+}