path: root/ethchain/address.go

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
}