feat: agave v2 rpc: replace getStakeActivation with rpc-client-exte…

…nsion

package.json

@@ -56,6 +56,7 @@
     "test:unit": "cross-env NODE_ENV=test NODE_OPTIONS='--import tsx' mocha './test/**/*.test.ts'"
   },
   "dependencies": {
+    "@anza-xyz/solana-rpc-get-stake-activation": "^1.0.1",
     "@babel/runtime": "^7.25.0",
     "@noble/curves": "^1.4.2",
     "@noble/hashes": "^1.4.0",
@@ -122,9 +123,9 @@
     "sinon": "^19.0.2",
     "sinon-chai": "^4.0.0",
     "start-server-and-test": "^2.0.4",
-    "typescript": "^5.5.4",
     "tslib": "^2.6.3",
     "tsx": "^4.16.2",
-    "typedoc": "^0.26.5"
+    "typedoc": "^0.26.5",
+    "typescript": "^5.5.4"
   }
 }

src/connection.ts

@@ -28,6 +28,7 @@ import {
 import type {Struct} from 'superstruct';
 import RpcClient from 'jayson/lib/client/browser';
 import {JSONRPCError} from 'jayson';
+import {getStakeActivation} from '@anza-xyz/solana-rpc-get-stake-activation';
 
 import {EpochSchedule} from './epoch-schedule';
 import {SendTransactionError, SolanaJSONRPCError} from './errors';
@@ -1968,20 +1969,6 @@ const KeyedParsedAccountInfoResult = pick({
   account: ParsedAccountInfoResult,
 });
 
-/**
- * @internal
- */
-const StakeActivationResult = pick({
-  state: union([
-    literal('active'),
-    literal('inactive'),
-    literal('activating'),
-    literal('deactivating'),
-  ]),
-  active: number(),
-  inactive: number(),
-});
-
 /**
  * Expected JSON RPC response for the "getConfirmedSignaturesForAddress2" message
  */
@@ -3692,27 +3679,22 @@ export class Connection {
     commitmentOrConfig?: Commitment | GetStakeActivationConfig,
     epoch?: number,
   ): Promise<StakeActivationData> {
-    const {commitment, config} =
-      extractCommitmentFromConfig(commitmentOrConfig);
-    const args = this._buildArgs(
-      [publicKey.toBase58()],
-      commitment,
-      undefined /* encoding */,
-      {
-        ...config,
-        epoch: epoch != null ? epoch : config?.epoch,
-      },
-    );
-
-    const unsafeRes = await this._rpcRequest('getStakeActivation', args);
-    const res = create(unsafeRes, jsonRpcResult(StakeActivationResult));
-    if ('error' in res) {
-      throw new SolanaJSONRPCError(
-        res.error,
-        `failed to get Stake Activation ${publicKey.toBase58()}`,
+    if (epoch) {
+      throw new Error(
+        'The capability to fetch stake activation for a specific `epoch` is not longer offered by the network.',
       );
     }
-    return res.result;
+
+    const {status, active, inactive} = await getStakeActivation(
+      this,
+      publicKey,
+    );
+
+    return {
+      state: status as StakeActivationData['state'],
+      active: Number(active),
+      inactive: Number(inactive),
+    };
   }
 
   /**