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package sqlvm
import (
"math/big"
"github.com/dexon-foundation/dexon/common"
"github.com/dexon-foundation/dexon/core/vm"
"github.com/dexon-foundation/dexon/params"
)
// SQLVM implements the required VM interface.
type SQLVM struct {
// Context provides auxiliary blockchain related information
*vm.Context
// StateDB gives access to the underlying state
StateDB vm.StateDB
// abort is used to abort the SQLVM calling operations
// NOTE: must be set atomically
abort int32
}
func init() {
vm.Register(vm.SQLVM, NewSQLVM)
}
// NewSQLVM is the SQLVM constructor.
func NewSQLVM(context *vm.Context, stateDB vm.StateDB, chainConfig *params.ChainConfig, vmConfig interface{}) vm.VM {
return &SQLVM{Context: context, StateDB: stateDB}
}
// Create creates SQL contract.
func (sqlvm *SQLVM) Create(caller vm.ContractRef, code []byte, gas uint64, value *big.Int,
pack *vm.ExecPack) ([]byte, common.Address, uint64, error) {
// todo (jm) need to implemnt
return nil, common.Address{}, gas, nil
}
// Create2 mock interface.
func (sqlvm *SQLVM) Create2(caller vm.ContractRef, code []byte, gas uint64, endowment *big.Int, salt *big.Int,
pack *vm.ExecPack) ([]byte, common.Address, uint64, error) {
// todo (jm) need to implemnt
return nil, common.Address{}, gas, nil
}
// Call is the entry to call SQLVM contract.
func (sqlvm *SQLVM) Call(caller vm.ContractRef, addr common.Address, input []byte, gas uint64, value *big.Int,
pack *vm.ExecPack) ([]byte, uint64, error) {
// todo (jm) need to implemnt
return nil, gas, nil
}
// CallCode mock interface.
func (sqlvm *SQLVM) CallCode(caller vm.ContractRef, addr common.Address, input []byte, gas uint64,
value *big.Int, pack *vm.ExecPack) ([]byte, uint64, error) {
// todo (jm) need to implemnt
return nil, gas, nil
}
// DelegateCall mock interface.
func (sqlvm *SQLVM) DelegateCall(caller vm.ContractRef, addr common.Address, input []byte, gas uint64,
pack *vm.ExecPack) ([]byte, uint64, error) {
// todo (jm) need to implemnt
return nil, gas, nil
}
// StaticCall is the entry for read-only call on SQL contract.
func (sqlvm *SQLVM) StaticCall(caller vm.ContractRef, addr common.Address, input []byte, gas uint64,
pack *vm.ExecPack) ([]byte, uint64, error) {
// todo (jm) need to implemnt
return nil, gas, nil
}
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