github.com/ethereum/go-ethereum@v1.16.1/core/types.go (about)

     1  // Copyright 2015 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 core
    18  
    19  import (
    20  	"sync/atomic"
    21  
    22  	"github.com/ethereum/go-ethereum/core/state"
    23  	"github.com/ethereum/go-ethereum/core/types"
    24  	"github.com/ethereum/go-ethereum/core/vm"
    25  )
    26  
    27  // Validator is an interface which defines the standard for block validation. It
    28  // is only responsible for validating block contents, as the header validation is
    29  // done by the specific consensus engines.
    30  type Validator interface {
    31  	// ValidateBody validates the given block's content.
    32  	ValidateBody(block *types.Block) error
    33  
    34  	// ValidateState validates the given statedb and optionally the process result.
    35  	ValidateState(block *types.Block, state *state.StateDB, res *ProcessResult, stateless bool) error
    36  }
    37  
    38  // Prefetcher is an interface for pre-caching transaction signatures and state.
    39  type Prefetcher interface {
    40  	// Prefetch processes the state changes according to the Ethereum rules by running
    41  	// the transaction messages using the statedb, but any changes are discarded. The
    42  	// only goal is to pre-cache transaction signatures and state trie nodes.
    43  	Prefetch(block *types.Block, statedb *state.StateDB, cfg vm.Config, interrupt *atomic.Bool)
    44  }
    45  
    46  // Processor is an interface for processing blocks using a given initial state.
    47  type Processor interface {
    48  	// Process processes the state changes according to the Ethereum rules by running
    49  	// the transaction messages using the statedb and applying any rewards to both
    50  	// the processor (coinbase) and any included uncles.
    51  	Process(block *types.Block, statedb *state.StateDB, cfg vm.Config) (*ProcessResult, error)
    52  }
    53  
    54  // ProcessResult contains the values computed by Process.
    55  type ProcessResult struct {
    56  	Receipts types.Receipts
    57  	Requests [][]byte
    58  	Logs     []*types.Log
    59  	GasUsed  uint64
    60  }