Provide option for caching logs bloom

Signed-off-by: Peter Broadhurst <peter.broadhurst@kaleido.io>

Author: peterbroadhurst

pkg/ethblocklistener/blocklistener.go

@@ -43,6 +43,7 @@ type BlockListenerConfig struct {
 	BlockPollingInterval    time.Duration `json:"blockPollingInterval"`
 	HederaCompatibilityMode bool          `json:"hederaCompatibilityMode"`
 	BlockCacheSize          int           `json:"blockCacheSize"`
+	CacheLogsBloom          bool          `json:"cacheLogsBloom"`
 }
 
 type BlockListener interface {

pkg/ethblocklistener/blocklistener_blockquery.go

@@ -31,6 +31,9 @@ import (
 )
 
 func (bl *blockListener) addToBlockCache(blockInfo *ethrpc.BlockInfoJSONRPC) {
+	if !bl.CacheLogsBloom {
+		blockInfo.LogsBloom = nil
+	}
 	bl.blockCache.Add(blockInfo.Hash.String(), blockInfo)
 	bl.blockCache.Add(blockInfo.Number.BigInt().String(), blockInfo)
 }

pkg/ethrpc/ethrpc.go

@@ -76,5 +76,6 @@ type BlockInfoJSONRPC struct {
 	Hash         ethtypes.HexBytes0xPrefix   `json:"hash"`
 	ParentHash   ethtypes.HexBytes0xPrefix   `json:"parentHash"`
 	Timestamp    *ethtypes.HexInteger        `json:"timestamp"`
+	LogsBloom    ethtypes.HexBytes0xPrefix   `json:"logsBloom"`
 	Transactions []ethtypes.HexBytes0xPrefix `json:"transactions"`
 }