github.com/FusionFoundation/efsn/v4@v4.2.0/core/vm/interface.go (about) 1 // Copyright 2016 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 vm 18 19 import ( 20 "math/big" 21 22 "github.com/FusionFoundation/efsn/v4/common" 23 "github.com/FusionFoundation/efsn/v4/core/types" 24 ) 25 26 // StateDB is an EVM database for full state querying. 27 type StateDB interface { 28 CreateAccount(common.Address) 29 30 SubBalance(common.Address, common.Hash, *big.Int) 31 AddBalance(common.Address, common.Hash, *big.Int) 32 GetBalance(common.Hash, common.Address) *big.Int 33 SubTimeLockBalance(common.Address, common.Hash, *common.TimeLock, *big.Int, uint64) 34 AddTimeLockBalance(common.Address, common.Hash, *common.TimeLock, *big.Int, uint64) 35 SetTimeLockBalance(common.Address, common.Hash, *common.TimeLock) 36 GetTimeLockBalance(common.Hash, common.Address) *common.TimeLock 37 TransferNotation(notation uint64, from common.Address, to common.Address) error 38 39 GetNonce(common.Address) uint64 40 SetNonce(common.Address, uint64) 41 42 GetCodeHash(common.Address) common.Hash 43 GetCode(common.Address) []byte 44 SetCode(common.Address, []byte) 45 GetCodeSize(common.Address) int 46 47 AddRefund(uint64) 48 SubRefund(uint64) 49 GetRefund() uint64 50 51 GetCommittedState(common.Address, common.Hash) common.Hash 52 GetState(common.Address, common.Hash) common.Hash 53 SetState(common.Address, common.Hash, common.Hash) 54 55 Suicide(common.Address) bool 56 HasSuicided(common.Address) bool 57 58 // Exist reports whether the given account exists in state. 59 // Notably this should also return true for suicided accounts. 60 Exist(common.Address) bool 61 // Empty returns whether the given account is empty. Empty 62 // is defined according to EIP161 (balance = nonce = code = 0). 63 Empty(common.Address) bool 64 65 PrepareAccessList(sender common.Address, dest *common.Address, precompiles []common.Address, txAccesses types.AccessList) 66 AddressInAccessList(addr common.Address) bool 67 SlotInAccessList(addr common.Address, slot common.Hash) (addressOk bool, slotOk bool) 68 // AddAddressToAccessList adds the given address to the access list. This operation is safe to perform 69 // even if the feature/fork is not active yet 70 AddAddressToAccessList(addr common.Address) 71 // AddSlotToAccessList adds the given (address,slot) to the access list. This operation is safe to perform 72 // even if the feature/fork is not active yet 73 AddSlotToAccessList(addr common.Address, slot common.Hash) 74 75 RevertToSnapshot(int) 76 Snapshot() int 77 78 AddLog(*types.Log) 79 AddPreimage(common.Hash, []byte) 80 81 ForEachStorage(common.Address, func(common.Hash, common.Hash) bool) 82 83 GenNotation(common.Address) error 84 GetNotation(common.Address) uint64 85 86 GenAsset(common.Asset) error 87 UpdateAsset(common.Asset) error 88 89 AllTickets() (common.TicketsDataSlice, error) 90 AddTicket(common.Ticket) error 91 RemoveTicket(id common.Hash) error 92 GetTicket(id common.Hash) (*common.Ticket, error) 93 IsTicketExist(id common.Hash) bool 94 95 AddSwap(swap common.Swap) error 96 UpdateSwap(swap common.Swap) error 97 RemoveSwap(id common.Hash) error 98 GetSwap(swapID common.Hash) (common.Swap, error) 99 GetAsset(assetID common.Hash) (common.Asset, error) 100 AddMultiSwap(swap common.MultiSwap) error 101 UpdateMultiSwap(swap common.MultiSwap) error 102 RemoveMultiSwap(id common.Hash) error 103 GetMultiSwap(swapID common.Hash) (common.MultiSwap, error) 104 105 IsReportExist(report []byte) bool 106 AddReport(report []byte) error 107 } 108 109 // CallContext provides a basic interface for the EVM calling conventions. The EVM EVM 110 // depends on this context being implemented for doing subcalls and initialising new EVM contracts. 111 type CallContext interface { 112 // Call another contract 113 Call(env *EVM, me ContractRef, addr common.Address, data []byte, gas, value *big.Int) ([]byte, error) 114 // Take another's contract code and execute within our own context 115 CallCode(env *EVM, me ContractRef, addr common.Address, data []byte, gas, value *big.Int) ([]byte, error) 116 // Same as CallCode except sender and value is propagated from parent to child scope 117 DelegateCall(env *EVM, me ContractRef, addr common.Address, data []byte, gas *big.Int) ([]byte, error) 118 // Create a new contract 119 Create(env *EVM, me ContractRef, data []byte, gas, value *big.Int) ([]byte, common.Address, error) 120 }