github.com/tirogen/go-ethereum@v1.10.12-0.20221226051715-250cfede41b6/internal/ethapi/dbapi.go (about)

     1  // Copyright 2022 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package ethapi
    18  
    19  import (
    20  	"github.com/tirogen/go-ethereum/common"
    21  	"github.com/tirogen/go-ethereum/common/hexutil"
    22  )
    23  
    24  // DbGet returns the raw value of a key stored in the database.
    25  func (api *DebugAPI) DbGet(key string) (hexutil.Bytes, error) {
    26  	blob, err := common.ParseHexOrString(key)
    27  	if err != nil {
    28  		return nil, err
    29  	}
    30  	return api.b.ChainDb().Get(blob)
    31  }
    32  
    33  // DbAncient retrieves an ancient binary blob from the append-only immutable files.
    34  // It is a mapping to the `AncientReaderOp.Ancient` method
    35  func (api *DebugAPI) DbAncient(kind string, number uint64) (hexutil.Bytes, error) {
    36  	return api.b.ChainDb().Ancient(kind, number)
    37  }
    38  
    39  // DbAncients returns the ancient item numbers in the ancient store.
    40  // It is a mapping to the `AncientReaderOp.Ancients` method
    41  func (api *DebugAPI) DbAncients() (uint64, error) {
    42  	return api.b.ChainDb().Ancients()
    43  }