watcher: code inspection changes.

watcher/src/watchers/AlgorandWatcher.ts

@@ -127,6 +127,6 @@ export class AlgorandWatcher extends Watcher {
     if (!vaasByBlock[toBlockKey]) {
       vaasByBlock[toBlockKey] = [];
     }
-    return { vaasByBlock, optionalBlockHeight: undefined };
+    return { vaasByBlock };
   }
 }

watcher/src/watchers/AptosWatcher.ts

@@ -66,7 +66,7 @@ export class AptosWatcher extends Watcher {
         vaasByBlock[blockKey] = [...(vaasByBlock[blockKey] ?? []), vaaKey];
       })
     );
-    return { vaasByBlock, optionalBlockHeight: undefined };
+    return { vaasByBlock };
   }
 
   isValidBlockKey(key: string) {

watcher/src/watchers/CosmwasmWatcher.ts

@@ -156,7 +156,7 @@ export class CosmwasmWatcher extends Watcher {
         }
       }
     }
-    return { vaasByBlock, optionalBlockHeight: undefined };
+    return { vaasByBlock };
   }
 }
 

watcher/src/watchers/EVMWatcher.ts

@@ -255,6 +255,6 @@ export class EVMWatcher extends Watcher {
       const blockKey = makeBlockKey(blockNumber.toString(), timestampsByBlock[blockNumber]);
       vaasByBlock[blockKey] = [...(vaasByBlock[blockKey] || []), vaaKey];
     }
-    return { vaasByBlock, optionalBlockHeight: undefined };
+    return { vaasByBlock };
   }
 }

watcher/src/watchers/InjectiveExplorerWatcher.ts

@@ -172,7 +172,7 @@ export class InjectiveExplorerWatcher extends Watcher {
       );
       vaasByBlock[blockKey] = [];
     }
-    return { vaasByBlock, optionalBlockHeight: undefined };
+    return { vaasByBlock };
   }
 }
 

watcher/src/watchers/NearArchiveWatcher.ts

@@ -138,7 +138,7 @@ export class NearArchiveWatcher extends Watcher {
     if (!response.vaasByBlock[blockKey]) {
       response.vaasByBlock[blockKey] = [];
     }
-    return { vaasByBlock: response.vaasByBlock, optionalBlockHeight: response.lastBlockHeight };
+    return response;
   }
 
   async getProvider(): Promise<Provider> {

watcher/src/watchers/NearWatcher.ts

@@ -53,7 +53,6 @@ export class NearWatcher extends Watcher {
 
     return {
       vaasByBlock: await getMessagesFromBlockResults(this.network, provider, blocks),
-      optionalBlockHeight: undefined,
     };
   }
 

watcher/src/watchers/SeiExplorerWatcher.ts

@@ -240,6 +240,6 @@ export class SeiExplorerWatcher extends CosmwasmWatcher {
     }
     // NOTE: this does not set an empty entry for the latest block since we don't know if the graphql response
     // is synced with the block height. Therefore, the latest block will only update when a new transaction appears.
-    return { vaasByBlock, optionalBlockHeight: undefined };
+    return { vaasByBlock };
   }
 }

watcher/src/watchers/SolanaWatcher.ts

@@ -254,7 +254,7 @@ export class SolanaWatcher extends Watcher {
       toSlot.toString(),
       new Date(toBlock.blockTime! * 1000).toISOString()
     );
-    return { vaasByBlock: { [lastBlockKey]: [], ...vaasByBlock }, optionalBlockHeight: undefined };
+    return { vaasByBlock: { [lastBlockKey]: [], ...vaasByBlock } };
   }
 
   isValidVaaKey(key: string) {

watcher/src/watchers/SuiWatcher.ts

@@ -118,6 +118,6 @@ export class SuiWatcher extends Watcher {
         vaasByBlock[blockKey] = [...(vaasByBlock[blockKey] || []), vaaKey];
       }
     } while (hasNextPage && lastCheckpoint && fromCheckpoint < lastCheckpoint);
-    return { vaasByBlock, optionalBlockHeight: undefined };
+    return { vaasByBlock };
   }
 }

watcher/src/watchers/TerraExplorerWatcher.ts

@@ -162,7 +162,7 @@ export class TerraExplorerWatcher extends Watcher {
       );
       vaasByBlock[blockKey] = [];
     }
-    return { vaasByBlock, optionalBlockHeight: undefined };
+    return { vaasByBlock };
   }
 }
 

watcher/src/watchers/WormchainWatcher.ts

@@ -138,7 +138,7 @@ export class WormchainWatcher extends CosmwasmWatcher {
         }
       }
     }
-    return { vaasByBlock, optionalBlockHeight: undefined };
+    return { vaasByBlock };
   }
 }