/
interface.go
31 lines (25 loc) · 1.17 KB
/
interface.go
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package vm
import (
"math/big"
"github.com/LemoFoundationLtd/lemochain-core/chain/types"
"github.com/LemoFoundationLtd/lemochain-core/common"
)
// AccountManager is an EVM database for full account querying.
type AccountManager interface {
GetAccount(common.Address) types.AccountAccessor
RevertToSnapshot(int)
Snapshot() int
AddEvent(*types.Event)
}
// CallContext provides a basic interface for the EVM calling conventions. The EVM EVM
// depends on this context being implemented for doing subcalls and initialising new EVM contracts.
type CallContext interface {
// Call another contract
Call(env *EVM, me ContractRef, addr common.Address, data []byte, gas, value *big.Int) ([]byte, error)
// Take another's contract code and execute within our own context
CallCode(env *EVM, me ContractRef, addr common.Address, data []byte, gas, value *big.Int) ([]byte, error)
// Same as CallCode except sender and value is propagated from parent to child scope
DelegateCall(env *EVM, me ContractRef, addr common.Address, data []byte, gas *big.Int) ([]byte, error)
// Create a new contract
Create(env *EVM, me ContractRef, data []byte, gas, value *big.Int) ([]byte, common.Address, error)
}