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path: root/cmd/utils/vm_env.go
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package utils

import (
    "math/big"

    "github.com/ethereum/go-ethereum/chain"
    "github.com/ethereum/go-ethereum/state"
    "github.com/ethereum/go-ethereum/vm"
)

type VMEnv struct {
    state *state.State
    block *chain.Block

    transactor []byte
    value      *big.Int
}

func NewEnv(state *state.State, block *chain.Block, transactor []byte, value *big.Int) *VMEnv {
    return &VMEnv{
        state:      state,
        block:      block,
        transactor: transactor,
        value:      value,
    }
}

func (self *VMEnv) Origin() []byte        { return self.transactor }
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.value }
func (self *VMEnv) State() *state.State   { return self.state }
func (self *VMEnv) GasLimit() *big.Int    { return self.block.GasLimit }
func (self *VMEnv) AddLog(state.Log)      {}
func (self *VMEnv) Transfer(from, to vm.Account, amount *big.Int) error {
    return vm.Transfer(from, to, amount)
}