write preimages on process

core/preimages.go

@@ -347,7 +347,7 @@ func VerifyPreimages(header *block.Header, chain BlockChain) (uint64, error) {
 			if len(preimage) == 0 {
 				return 0, errors.New(
 					fmt.Sprintf(
-						"cannot find preimage for %x", key,
+						"cannot find preimage for %x after '%d' accounts", key, existingPreimages,
 					),
 				)
 			}

core/state_processor.go

@@ -169,6 +169,8 @@ func (p *StateProcessor) Process(
 			if len(stakeMsgs) > 0 {
 				blockStakeMsgs = append(blockStakeMsgs, stakeMsgs...)
 			}
+
+			StorePreimageFromTx(statedb, tx)
 			allLogs = append(allLogs, receipt.Logs...)
 		}
 		utils.Logger().Debug().Int64("elapsed time", time.Now().Sub(startTime).Milliseconds()).Msg("Process Normal Txns")
@@ -685,3 +687,15 @@ func generateOneMigrationMessage(
 	}
 	return nil, nil
 }
+
+func StorePreimageFromTx(statedb *state.DB, tx *types.Transaction) {
+	sender, _ := tx.SenderAddress()
+
+	_ = rawdb.WritePreimages(statedb.Database().DiskDB(),
+		map[common.Hash][]byte{
+			crypto.Keccak256Hash(sender.Bytes()):  append(sender.Bytes()),
+			crypto.Keccak256Hash(tx.To().Bytes()): append(tx.To().Bytes()),
+		},
+	)
+
+}