Fix type

Author: ensi321

packages/state-transition/package.json

@@ -63,7 +63,7 @@
     "@chainsafe/persistent-merkle-tree": "^1.0.1",
     "@chainsafe/persistent-ts": "^1.0.0",
     "@chainsafe/pubkey-index-map": "2.0.0",
-    "@chainsafe/ssz": "^1.0.2",
+    "@chainsafe/ssz": "^1.2.0",
     "@chainsafe/swap-or-not-shuffle": "^0.0.2",
     "@lodestar/config": "^1.27.1",
     "@lodestar/params": "^1.27.1",

packages/state-transition/src/util/generator.ts

@@ -1,3 +1,4 @@
+import { CompositeViewDU, ListCompositeTreeViewDU } from "@chainsafe/ssz";
 import {BeaconStateElectra} from "../types";
 
 type LatestBeaconState = BeaconStateElectra;
@@ -8,8 +9,13 @@ type BeaconStateIterableKey = Extract<
 >;
 type BeaconStateIterableType = LatestBeaconState[BeaconStateIterableKey];
 
-export function* pendingDepositIterator(state: BeaconStateElectra, startIndex?: number, chunkSize?: number) {
-  yield* iterateBeaconStateIterableInChunks(state.pendingDeposits, startIndex, chunkSize);
+type ElementType = LatestBeaconState[BeaconStateIterableKey] extends ListCompositeTreeViewDU<infer T> ? T : never;
+type DepositType = LatestBeaconState[Extract<BeaconStateIterableKey, "pendingDeposits">] extends ListCompositeTreeViewDU<infer T> ? T : never;
+
+export function* pendingDepositIterator(state: BeaconStateElectra, startIndex?: number, chunkSize?: number): Generator<CompositeViewDU<DepositType>> {
+  for (const deposit of iterateBeaconStateIterableInChunks(state.pendingDeposits, startIndex, chunkSize)) {
+    yield deposit as CompositeViewDU<DepositType>;
+  }
 }
 
 /**
@@ -18,7 +24,7 @@ export function* pendingDepositIterator(state: BeaconStateElectra, startIndex?:
  * @param chunkSize - Number of items to retrieve per iteration (default: 100)
  * @param startIndex - Starting index for iteration (default: 0)
  */
-function* iterateBeaconStateIterableInChunks(iterable: BeaconStateIterableType, startIndex = 0, chunkSize = 100) {
+function* iterateBeaconStateIterableInChunks(iterable: BeaconStateIterableType, startIndex = 0, chunkSize = 100): Generator<CompositeViewDU<ElementType>> {
   const iterableLength = iterable.length;
   let chunkStartIndex = startIndex;
 

packages/types/package.json

@@ -70,7 +70,7 @@
   },
   "types": "lib/index.d.ts",
   "dependencies": {
-    "@chainsafe/ssz": "^1.0.2",
+    "@chainsafe/ssz": "^1.2.0",
     "@lodestar/params": "^1.27.1",
     "ethereum-cryptography": "^2.0.0"
   },

yarn.lock

@@ -439,6 +439,11 @@
   resolved "https://registry.yarnpkg.com/@chainsafe/as-chacha20poly1305/-/as-chacha20poly1305-0.1.0.tgz#7da6f8796f9b42dac6e830a086d964f1f9189e09"
   integrity sha512-BpNcL8/lji/GM3+vZ/bgRWqJ1q5kwvTFmGPk7pxm/QQZDbaMI98waOHjEymTjq2JmdD/INdNBFOVSyJofXg7ew==
 
+"@chainsafe/as-sha256@1.1.0":
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/@chainsafe/as-sha256/-/as-sha256-1.1.0.tgz#949082ab96e0b266484f01f59a71930761afc6c4"
+  integrity sha512-pLlxYtfYy2YW5GN+7d946UAjBOS9VOFulkfFN6Z+84ZhMP0Ey8XsCG21CZTczwq1C8J7/4z8LGzmrAtmQ37VCQ==
+
 "@chainsafe/as-sha256@^0.4.1":
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/@chainsafe/as-sha256/-/as-sha256-0.4.1.tgz#cfc0737e25f8c206767bdb6703e7943e5d44513e"
@@ -696,6 +701,15 @@
   dependencies:
     "@chainsafe/is-ip" "^2.0.1"
 
+"@chainsafe/persistent-merkle-tree@1.1.0":
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/@chainsafe/persistent-merkle-tree/-/persistent-merkle-tree-1.1.0.tgz#d10d9e926f2c5751d02a188b8fb6823821572aca"
+  integrity sha512-UIcKEGkEGghTXbFTvKqIiN2iljg2f6c2Y8GxdQEyle5UI6YIB8d3ACYTkAhrHSB4YsNlG9pc/A0NGJw/3Hf9wQ==
+  dependencies:
+    "@chainsafe/as-sha256" "1.1.0"
+    "@chainsafe/hashtree" "1.0.1"
+    "@noble/hashes" "^1.3.0"
+
 "@chainsafe/persistent-merkle-tree@^0.6.1":
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/@chainsafe/persistent-merkle-tree/-/persistent-merkle-tree-0.6.1.tgz#37bde25cf6cbe1660ad84311aa73157dc86ec7f2"
@@ -775,6 +789,14 @@
     "@chainsafe/as-sha256" "^1.0.1"
     "@chainsafe/persistent-merkle-tree" "^1.0.2"
 
+"@chainsafe/ssz@^1.2.0":
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/@chainsafe/ssz/-/ssz-1.2.0.tgz#7201cc885460bfd4cf991791070100c3512aba1e"
+  integrity sha512-fsFFBfT5JPCypyzENDg6srd6woNMj0+x6OLR5X1di+IK5mYlxBiAVsH/bYVj/u5DE3nanAgPZOc5KSszoDBRvw==
+  dependencies:
+    "@chainsafe/as-sha256" "1.1.0"
+    "@chainsafe/persistent-merkle-tree" "1.1.0"
+
 "@chainsafe/swap-or-not-shuffle-darwin-arm64@0.0.2":
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/@chainsafe/swap-or-not-shuffle-darwin-arm64/-/swap-or-not-shuffle-darwin-arm64-0.0.2.tgz#9c4b02970619b9ec5274f357f3a03ff97e745957"