go-ethereum/core/txpool/blobpool/interface.go

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// Copyright 2023 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package blobpool
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/params"
)
// BlockChain defines the minimal set of methods needed to back a blob pool with
// a chain. Exists to allow mocking the live chain out of tests.
type BlockChain interface {
// Config retrieves the chain's fork configuration.
Config() *params.ChainConfig
// CurrentBlock returns the current head of the chain.
CurrentBlock() *types.Header
// CurrentFinalBlock returns the current block below which blobs should not
// be maintained anymore for reorg purposes.
CurrentFinalBlock() *types.Header
// GetBlock retrieves a specific block, used during pool resets.
GetBlock(hash common.Hash, number uint64) *types.Block
// StateAt returns a state database for a given root hash (generally the head).
StateAt(root common.Hash) (*state.StateDB, error)
}