fixup! fix error handling for GET /block/:hash/txs/:index

Author: Oleksandr Fedorenko

src/rest.rs

@@ -781,7 +781,7 @@ fn handle_request(
         (&Method::GET, Some(&"block"), Some(hash), Some(&"txs"), start_index, None) => {
             let hash = BlockHash::from_str(hash)?;
 
-            // Add ligthweight validation that block exists before fetching transactions,
+            // Add lightweight validation that block exists before fetching transactions,
             // to avoid expensive lookups in case of invalid block hash
             query.chain().get_block_header(&hash)
                 .ok_or_else(|| HttpError::not_found("Block not found".to_string()))?;
@@ -792,7 +792,7 @@ fn handle_request(
 
             ensure!(
                 start_index % CHAIN_TXS_PER_PAGE == 0,
-                "start index must be a multiplication of {}",
+                "start index must be a multiple of {}",
                 CHAIN_TXS_PER_PAGE
             );
 

tests/rest.rs

@@ -392,7 +392,7 @@ fn test_rest_block_txs() -> Result<()> {
         .build()
         .call()?;
     assert_eq!(invalid_hash_resp.status(), 400);
-    assert_eq!(invalid_hash_resp.into_body().read_to_string()?, "start index must be a multiplication of 25");
+    assert_eq!(invalid_hash_resp.into_body().read_to_string()?, "start index must be a multiple of 25");
 
     // Test GET /block/:hash/txs/:index
     // Should fail with 400 code when index is out of range