From 9008b155d3c8d2a32c4c8945f1174243d48d4e90 Mon Sep 17 00:00:00 2001 From: obscuren Date: Thu, 4 Dec 2014 10:28:02 +0100 Subject: Renamed `chain` => `core` --- core/vm_env.go | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 core/vm_env.go (limited to 'core/vm_env.go') diff --git a/core/vm_env.go b/core/vm_env.go new file mode 100644 index 000000000..17686b28f --- /dev/null +++ b/core/vm_env.go @@ -0,0 +1,63 @@ +package core + +import ( + "math/big" + + "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/state" + "github.com/ethereum/go-ethereum/vm" +) + +type VMEnv struct { + state *state.State + block *types.Block + tx *types.Transaction + depth int +} + +func NewEnv(state *state.State, tx *types.Transaction, block *types.Block) *VMEnv { + return &VMEnv{ + state: state, + block: block, + tx: tx, + } +} + +func (self *VMEnv) Origin() []byte { return self.tx.Sender() } +func (self *VMEnv) BlockNumber() *big.Int { return self.block.Number } +func (self *VMEnv) PrevHash() []byte { return self.block.PrevHash } +func (self *VMEnv) Coinbase() []byte { return self.block.Coinbase } +func (self *VMEnv) Time() int64 { return self.block.Time } +func (self *VMEnv) Difficulty() *big.Int { return self.block.Difficulty } +func (self *VMEnv) BlockHash() []byte { return self.block.Hash() } +func (self *VMEnv) Value() *big.Int { return self.tx.Value } +func (self *VMEnv) State() *state.State { return self.state } +func (self *VMEnv) GasLimit() *big.Int { return self.block.GasLimit } +func (self *VMEnv) Depth() int { return self.depth } +func (self *VMEnv) SetDepth(i int) { self.depth = i } +func (self *VMEnv) AddLog(log *state.Log) { + self.state.AddLog(log) +} +func (self *VMEnv) Transfer(from, to vm.Account, amount *big.Int) error { + return vm.Transfer(from, to, amount) +} + +func (self *VMEnv) vm(addr, data []byte, gas, price, value *big.Int) *Execution { + evm := vm.New(self, vm.DebugVmTy) + + return NewExecution(evm, addr, data, gas, price, value) +} + +func (self *VMEnv) Call(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { + exe := self.vm(addr, data, gas, price, value) + return exe.Call(addr, me) +} +func (self *VMEnv) CallCode(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { + exe := self.vm(me.Address(), data, gas, price, value) + return exe.Call(addr, me) +} + +func (self *VMEnv) Create(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ClosureRef) { + exe := self.vm(addr, data, gas, price, value) + return exe.Create(me) +} -- cgit