62 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package core
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| 
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| import (
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| 	"math/big"
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| 
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| 	"github.com/ethereum/go-ethereum/core/types"
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| 	"github.com/ethereum/go-ethereum/state"
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| 	"github.com/ethereum/go-ethereum/vm"
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| )
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| 
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| type VMEnv struct {
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| 	state *state.StateDB
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| 	block *types.Block
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| 	msg   Message
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| 	depth int
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| }
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| 
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| func NewEnv(state *state.StateDB, msg Message, block *types.Block) *VMEnv {
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| 	return &VMEnv{
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| 		state: state,
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| 		block: block,
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| 		msg:   msg,
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| 	}
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| }
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| 
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| func (self *VMEnv) Origin() []byte        { return self.msg.From() }
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| func (self *VMEnv) BlockNumber() *big.Int { return self.block.Number }
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| func (self *VMEnv) PrevHash() []byte      { return self.block.PrevHash }
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| func (self *VMEnv) Coinbase() []byte      { return self.block.Coinbase }
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| func (self *VMEnv) Time() int64           { return self.block.Time }
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| func (self *VMEnv) Difficulty() *big.Int  { return self.block.Difficulty }
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| func (self *VMEnv) BlockHash() []byte     { return self.block.Hash() }
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| func (self *VMEnv) Value() *big.Int       { return self.msg.Value() }
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| func (self *VMEnv) State() *state.StateDB { return self.state }
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| func (self *VMEnv) GasLimit() *big.Int    { return self.block.GasLimit }
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| func (self *VMEnv) Depth() int            { return self.depth }
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| func (self *VMEnv) SetDepth(i int)        { self.depth = i }
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| func (self *VMEnv) AddLog(log state.Log) {
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| 	self.state.AddLog(log)
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| }
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| func (self *VMEnv) Transfer(from, to vm.Account, amount *big.Int) error {
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| 	return vm.Transfer(from, to, amount)
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| }
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| 
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| func (self *VMEnv) vm(addr, data []byte, gas, price, value *big.Int) *Execution {
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| 	return NewExecution(self, addr, data, gas, price, value)
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| }
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| 
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| func (self *VMEnv) Call(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) {
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| 	exe := self.vm(addr, data, gas, price, value)
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| 	return exe.Call(addr, me)
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| }
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| func (self *VMEnv) CallCode(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) {
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| 	exe := self.vm(me.Address(), data, gas, price, value)
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| 	return exe.Call(addr, me)
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| }
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| 
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| func (self *VMEnv) Create(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ClosureRef) {
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| 	exe := self.vm(addr, data, gas, price, value)
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| 	return exe.Create(me)
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| }
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