57 lines
1.0 KiB
Go
57 lines
1.0 KiB
Go
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package ethchain
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import (
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"github.com/ethereum/eth-go/ethutil"
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"math/big"
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)
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type State struct {
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trie *ethutil.Trie
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}
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func NewState(trie *ethutil.Trie) *State {
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return &State{trie: trie}
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}
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func (s *State) GetContract(addr []byte) *Contract {
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data := s.trie.Get(string(addr))
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if data == "" {
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return nil
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}
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contract := &Contract{}
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contract.RlpDecode([]byte(data))
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return contract
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}
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func (s *State) UpdateContract(addr []byte, contract *Contract) {
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s.trie.Update(string(addr), string(contract.RlpEncode()))
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}
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func Compile(code []string) (script []string) {
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script = make([]string, len(code))
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for i, val := range code {
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instr, _ := ethutil.CompileInstr(val)
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script[i] = string(instr)
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}
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return
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}
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func (s *State) GetAccount(addr []byte) (account *Address) {
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data := s.trie.Get(string(addr))
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if data == "" {
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account = NewAddress(big.NewInt(0))
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} else {
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account = NewAddressFromData([]byte(data))
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}
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return
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}
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func (s *State) UpdateAccount(addr []byte, account *Address) {
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s.trie.Update(string(addr), string(account.RlpEncode()))
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}
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