github.com/tirogen/go-ethereum@v1.10.12-0.20221226051715-250cfede41b6/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 "github.com/tirogen/go-ethereum/core/state" 21 "github.com/tirogen/go-ethereum/core/types" 22 "github.com/tirogen/go-ethereum/core/vm" 23 ) 24 25 // Validator is an interface which defines the standard for block validation. It 26 // is only responsible for validating block contents, as the header validation is 27 // done by the specific consensus engines. 28 type Validator interface { 29 // ValidateBody validates the given block's content. 30 ValidateBody(block *types.Block) error 31 32 // ValidateState validates the given statedb and optionally the receipts and 33 // gas used. 34 ValidateState(block *types.Block, state *state.StateDB, receipts types.Receipts, usedGas uint64) error 35 } 36 37 // Prefetcher is an interface for pre-caching transaction signatures and state. 38 type Prefetcher interface { 39 // Prefetch processes the state changes according to the Ethereum rules by running 40 // the transaction messages using the statedb, but any changes are discarded. The 41 // only goal is to pre-cache transaction signatures and state trie nodes. 42 Prefetch(block *types.Block, statedb *state.StateDB, cfg vm.Config, interrupt *uint32) 43 } 44 45 // Processor is an interface for processing blocks using a given initial state. 46 type Processor interface { 47 // Process processes the state changes according to the Ethereum rules by running 48 // the transaction messages using the statedb and applying any rewards to both 49 // the processor (coinbase) and any included uncles. 50 Process(block *types.Block, statedb *state.StateDB, cfg vm.Config) (types.Receipts, []*types.Log, uint64, error) 51 }