40 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package chain
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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/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.State
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| 	block *Block
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| 	tx    *Transaction
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| }
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| 
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| func NewEnv(state *state.State, tx *Transaction, block *Block) *VMEnv {
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| 	return &VMEnv{
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| 		state: state,
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| 		block: block,
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| 		tx:    tx,
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| 	}
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| }
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| 
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| func (self *VMEnv) Origin() []byte        { return self.tx.Sender() }
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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.tx.Value }
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| func (self *VMEnv) State() *state.State   { return self.state }
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| func (self *VMEnv) GasLimit() *big.Int    { return self.block.GasLimit }
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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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