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