improve: remove sharedpool from miner

core/blockchain.go

@@ -1022,11 +1022,6 @@ func (bc *BlockChain) SnapSyncCommitHead(hash common.Hash) error {
 	return nil
 }
 
-// StateAtWithSharedPool returns a new mutable state based on a particular point in time with sharedStorage
-func (bc *BlockChain) StateAtWithSharedPool(root common.Hash) (*state.StateDB, error) {
-	return state.NewWithSharedPool(root, bc.stateCache, bc.snaps)
-}
-
 // Reset purges the entire blockchain, restoring it to its genesis state.
 func (bc *BlockChain) Reset() error {
 	return bc.ResetWithGenesisBlock(bc.genesisBlock)

miner/worker.go

@@ -650,7 +650,7 @@ func (w *worker) makeEnv(parent *types.Header, header *types.Header, coinbase co
 	prevEnv *environment) (*environment, error) {
 	// Retrieve the parent state to execute on top and start a prefetcher for
 	// the miner to speed block sealing up a bit
-	state, err := w.chain.StateAtWithSharedPool(parent.Root)
+	state, err := w.chain.StateAt(parent.Root)
 	if err != nil {
 		return nil, err
 	}