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path: root/ethchain/contract.go
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package ethchain

import (
    "github.com/ethereum/eth-go/ethutil"
    "math/big"
)

type Contract struct {
    Amount *big.Int
    Nonce  uint64
    state  *ethutil.Trie
}

func NewContract(Amount *big.Int, root []byte) *Contract {
    contract := &Contract{Amount: Amount, Nonce: 0}
    contract.state = ethutil.NewTrie(ethutil.Config.Db, string(root))

    return contract
}

func (c *Contract) RlpEncode() []byte {
    return ethutil.Encode([]interface{}{c.Amount, c.Nonce, c.state.Root})
}

func (c *Contract) RlpDecode(data []byte) {
    decoder := ethutil.NewRlpValueFromBytes(data)

    c.Amount = decoder.Get(0).AsBigInt()
    c.Nonce = decoder.Get(1).AsUint()
    c.state = ethutil.NewTrie(ethutil.Config.Db, decoder.Get(2).AsRaw())
}

func (c *Contract) State() *ethutil.Trie {
    return c.state
}

type Address struct {
    Amount *big.Int
    Nonce  uint64
}

func NewAddress(amount *big.Int) *Address {
    return &Address{Amount: amount, Nonce: 0}
}

func NewAddressFromData(data []byte) *Address {
    address := &Address{}
    address.RlpDecode(data)

    return address
}

func (a *Address) AddFee(fee *big.Int) {
    a.Amount.Add(a.Amount, fee)
}

func (a *Address) RlpEncode() []byte {
    return ethutil.Encode([]interface{}{a.Amount, a.Nonce})
}

func (a *Address) RlpDecode(data []byte) {
    decoder := ethutil.NewRlpValueFromBytes(data)

    a.Amount = decoder.Get(0).AsBigInt()
    a.Nonce = decoder.Get(1).AsUint()
}