Official Go implementation of the Ethereum protocol
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go-ethereum/ethchain/address.go

72 lines
1.5 KiB

package ethchain
import (
"github.com/ethereum/eth-go/ethutil"
"math/big"
)
type Account struct {
Address []byte
Amount *big.Int
Nonce uint64
}
func NewAccount(address []byte, amount *big.Int) *Account {
return &Account{address, amount, 0}
}
func NewAccountFromData(address, data []byte) *Account {
account := &Account{Address: address}
account.RlpDecode(data)
return account
}
func (a *Account) AddFee(fee *big.Int) {
a.AddFunds(fee)
}
func (a *Account) AddFunds(funds *big.Int) {
a.Amount.Add(a.Amount, funds)
}
// Implements Callee
func (a *Account) ReturnGas(value *big.Int, state *State) {
// Return the value back to the sender
a.AddFunds(value)
state.UpdateAccount(a.Address, a)
}
func (a *Account) RlpEncode() []byte {
return ethutil.Encode([]interface{}{a.Amount, a.Nonce})
}
func (a *Account) RlpDecode(data []byte) {
decoder := ethutil.NewValueFromBytes(data)
a.Amount = decoder.Get(0).BigInt()
a.Nonce = decoder.Get(1).Uint()
}
type AddrStateStore struct {
states map[string]*AccountState
}
func NewAddrStateStore() *AddrStateStore {
return &AddrStateStore{states: make(map[string]*AccountState)}
}
func (s *AddrStateStore) Add(addr []byte, account *Account) *AccountState {
state := &AccountState{Nonce: account.Nonce, Account: account}
s.states[string(addr)] = state
return state
}
func (s *AddrStateStore) Get(addr []byte) *AccountState {
return s.states[string(addr)]
}
type AccountState struct {
Nonce uint64
Account *Account
}