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-rw-r--r--core/vm_env.go101
1 files changed, 0 insertions, 101 deletions
diff --git a/core/vm_env.go b/core/vm_env.go
index 43637bd13..58e71e305 100644
--- a/core/vm_env.go
+++ b/core/vm_env.go
@@ -15,104 +15,3 @@
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package core
-
-import (
- "math/big"
-
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/core/state"
- "github.com/ethereum/go-ethereum/core/types"
- "github.com/ethereum/go-ethereum/core/vm"
- "github.com/ethereum/go-ethereum/params"
-)
-
-// GetHashFn returns a function for which the VM env can query block hashes through
-// up to the limit defined by the Yellow Paper and uses the given block chain
-// to query for information.
-func GetHashFn(ref common.Hash, chain *BlockChain) func(n uint64) common.Hash {
- return func(n uint64) common.Hash {
- for block := chain.GetBlockByHash(ref); block != nil; block = chain.GetBlock(block.ParentHash(), block.NumberU64()-1) {
- if block.NumberU64() == n {
- return block.Hash()
- }
- }
-
- return common.Hash{}
- }
-}
-
-type VMEnv struct {
- chainConfig *params.ChainConfig // Chain configuration
- state *state.StateDB // State to use for executing
- evm *vm.EVM // The Ethereum Virtual Machine
- depth int // Current execution depth
- msg Message // Message appliod
-
- header *types.Header // Header information
- chain *BlockChain // Blockchain handle
- getHashFn func(uint64) common.Hash // getHashFn callback is used to retrieve block hashes
-}
-
-func NewEnv(state *state.StateDB, chainConfig *params.ChainConfig, chain *BlockChain, msg Message, header *types.Header, cfg vm.Config) *VMEnv {
- env := &VMEnv{
- chainConfig: chainConfig,
- chain: chain,
- state: state,
- header: header,
- msg: msg,
- getHashFn: GetHashFn(header.ParentHash, chain),
- }
-
- env.evm = vm.New(env, cfg)
- return env
-}
-
-func (self *VMEnv) ChainConfig() *params.ChainConfig { return self.chainConfig }
-func (self *VMEnv) Vm() vm.Vm { return self.evm }
-func (self *VMEnv) Origin() common.Address { return self.msg.From() }
-func (self *VMEnv) BlockNumber() *big.Int { return self.header.Number }
-func (self *VMEnv) Coinbase() common.Address { return self.header.Coinbase }
-func (self *VMEnv) Time() *big.Int { return self.header.Time }
-func (self *VMEnv) Difficulty() *big.Int { return self.header.Difficulty }
-func (self *VMEnv) GasLimit() *big.Int { return self.header.GasLimit }
-func (self *VMEnv) Value() *big.Int { return self.msg.Value() }
-func (self *VMEnv) Db() vm.Database { return self.state }
-func (self *VMEnv) Depth() int { return self.depth }
-func (self *VMEnv) SetDepth(i int) { self.depth = i }
-func (self *VMEnv) GetHash(n uint64) common.Hash {
- return self.getHashFn(n)
-}
-
-func (self *VMEnv) AddLog(log *vm.Log) {
- self.state.AddLog(log)
-}
-func (self *VMEnv) CanTransfer(from common.Address, balance *big.Int) bool {
- return self.state.GetBalance(from).Cmp(balance) >= 0
-}
-
-func (self *VMEnv) SnapshotDatabase() int {
- return self.state.Snapshot()
-}
-
-func (self *VMEnv) RevertToSnapshot(snapshot int) {
- self.state.RevertToSnapshot(snapshot)
-}
-
-func (self *VMEnv) Transfer(from, to vm.Account, amount *big.Int) {
- Transfer(from, to, amount)
-}
-
-func (self *VMEnv) Call(me vm.ContractRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
- return Call(self, me, addr, data, gas, price, value)
-}
-func (self *VMEnv) CallCode(me vm.ContractRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
- return CallCode(self, me, addr, data, gas, price, value)
-}
-
-func (self *VMEnv) DelegateCall(me vm.ContractRef, addr common.Address, data []byte, gas, price *big.Int) ([]byte, error) {
- return DelegateCall(self, me, addr, data, gas, price)
-}
-
-func (self *VMEnv) Create(me vm.ContractRef, data []byte, gas, price, value *big.Int) ([]byte, common.Address, error) {
- return Create(self, me, data, gas, price, value)
-}