github.com/neatlab/neatio@v1.7.3-0.20220425043230-d903e92fcc75/chain/core/vm/interface.go (about)

     1  package vm
     2  
     3  import (
     4  	"math/big"
     5  
     6  	"github.com/neatlab/neatio/chain/core/types"
     7  	"github.com/neatlab/neatio/utilities/common"
     8  )
     9  
    10  type StateDB interface {
    11  	CreateAccount(common.Address)
    12  
    13  	SubBalance(common.Address, *big.Int)
    14  	AddBalance(common.Address, *big.Int)
    15  	GetBalance(common.Address) *big.Int
    16  
    17  	GetNonce(common.Address) uint64
    18  	SetNonce(common.Address, uint64)
    19  
    20  	GetCodeHash(common.Address) common.Hash
    21  	GetCode(common.Address) []byte
    22  	SetCode(common.Address, []byte)
    23  	GetCodeSize(common.Address) int
    24  
    25  	AddRefund(uint64)
    26  	SubRefund(uint64)
    27  	GetRefund() uint64
    28  
    29  	GetCommittedState(common.Address, common.Hash) common.Hash
    30  	GetState(common.Address, common.Hash) common.Hash
    31  	SetState(common.Address, common.Hash, common.Hash)
    32  
    33  	Suicide(common.Address) bool
    34  	HasSuicided(common.Address) bool
    35  
    36  	Exist(common.Address) bool
    37  
    38  	Empty(common.Address) bool
    39  
    40  	RevertToSnapshot(int)
    41  	Snapshot() int
    42  
    43  	AddLog(*types.Log)
    44  	AddPreimage(common.Hash, []byte)
    45  
    46  	ForEachStorage(common.Address, func(common.Hash, common.Hash) bool) error
    47  }
    48  
    49  type CallContext interface {
    50  	Call(env *EVM, me ContractRef, addr common.Address, data []byte, gas, value *big.Int) ([]byte, error)
    51  
    52  	CallCode(env *EVM, me ContractRef, addr common.Address, data []byte, gas, value *big.Int) ([]byte, error)
    53  
    54  	DelegateCall(env *EVM, me ContractRef, addr common.Address, data []byte, gas *big.Int) ([]byte, error)
    55  
    56  	Create(env *EVM, me ContractRef, data []byte, gas, value *big.Int) ([]byte, common.Address, error)
    57  }