more fixes

Author: hanabi1224

scripts/tests/api_compare/filter-list-gateway

@@ -57,6 +57,5 @@
 
 # broken
 !Filecoin.EthCall
-!Filecoin.EthGetBalance
 !Filecoin.EthGetFilterLogs
 !Filecoin.EthSyncing

src/rpc/methods/eth.rs

@@ -339,6 +339,7 @@ pub struct BlockNumber {
 #[serde(rename_all = "camelCase")]
 pub struct BlockHash {
     block_hash: EthHash,
+    #[serde(default)]
     require_canonical: bool,
 }