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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.NewValueFromBytes(data)
c.Amount = decoder.Get(0).BigInt()
c.Nonce = decoder.Get(1).Uint()
c.state = ethutil.NewTrie(ethutil.Config.Db, decoder.Get(2).Interface())
}
func (c *Contract) Addr(addr []byte) *ethutil.Value {
return ethutil.NewValueFromBytes([]byte(c.state.Get(string(addr))))
}
func (c *Contract) SetAddr(addr []byte, value interface{}) {
c.state.Update(string(addr), string(ethutil.NewValue(value).Encode()))
}
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.NewValueFromBytes(data)
a.Amount = decoder.Get(0).BigInt()
a.Nonce = decoder.Get(1).Uint()
}
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