cache eth_getLogs fromBlock properly

web3_proxy/src/block_number.rs

@@ -271,8 +271,7 @@ impl CacheMode {
 
                         BlockNumAndHash(block_num, block_hash)
                     } else {
-                        warn!("if no from, what should we default? 0 or head?");
-                        head_block.into()
+                        BlockNumAndHash(U64::zero(), H256::zero())
                     };
 
                     let to_block = if let Some(x) = obj.get_mut("toBlock") {

web3_proxy/src/rpcs/many.rs

@@ -1075,6 +1075,7 @@ impl Web3Rpcs {
             );
         } else if head_block_num.as_ref() > needed {
             // we have synced past the needed block
+            // TODO: log ranked rpcs
             // TODO: only log params in development
             error!(
                 min=?min_block_needed,
@@ -1087,6 +1088,7 @@ impl Web3Rpcs {
             );
         } else {
             // TODO: only log params in development
+            // TODO: log ranked rpcs
             error!(
                 min=?min_block_needed,
                 max=?max_block_needed,
@@ -1097,8 +1099,6 @@ impl Web3Rpcs {
                 ?params,
                 "Requested data is not available",
             );
-            // TODO: remove this, or move to trace level
-            // debug!("{}", serde_json::to_string(&request).unwrap());
         }
 
         // TODO: what error code?