github.com/ethereum/go-ethereum@v1.14.4-0.20240516095835-473ee8fc07a3/core/txpool/blobpool/interface.go (about)

     1  // Copyright 2023 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 blobpool
    18  
    19  import (
    20  	"github.com/ethereum/go-ethereum/common"
    21  	"github.com/ethereum/go-ethereum/core/state"
    22  	"github.com/ethereum/go-ethereum/core/types"
    23  	"github.com/ethereum/go-ethereum/params"
    24  )
    25  
    26  // BlockChain defines the minimal set of methods needed to back a blob pool with
    27  // a chain. Exists to allow mocking the live chain out of tests.
    28  type BlockChain interface {
    29  	// Config retrieves the chain's fork configuration.
    30  	Config() *params.ChainConfig
    31  
    32  	// CurrentBlock returns the current head of the chain.
    33  	CurrentBlock() *types.Header
    34  
    35  	// CurrentFinalBlock returns the current block below which blobs should not
    36  	// be maintained anymore for reorg purposes.
    37  	CurrentFinalBlock() *types.Header
    38  
    39  	// GetBlock retrieves a specific block, used during pool resets.
    40  	GetBlock(hash common.Hash, number uint64) *types.Block
    41  
    42  	// StateAt returns a state database for a given root hash (generally the head).
    43  	StateAt(root common.Hash) (*state.StateDB, error)
    44  }