// New creates an XEth that uses the given frontend.
// If a nil Frontend is provided, a default frontend which
// confirms all transactions will be used.
func New(expanse *exp.Expanse, frontend Frontend) *XEth {
xeth := &XEth{
backend: expanse,
frontend: frontend,
quit: make(chan struct{}),
filterManager: filters.NewFilterSystem(expanse.EventMux()),
logQueue: make(map[int]*logQueue),
blockQueue: make(map[int]*hashQueue),
transactionQueue: make(map[int]*hashQueue),
messages: make(map[int]*whisperFilter),
agent: miner.NewRemoteAgent(),
gpo: exp.NewGasPriceOracle(expanse),
}
if expanse.Whisper() != nil {
xeth.whisper = NewWhisper(expanse.Whisper())
}
expanse.Miner().Register(xeth.agent)
if frontend == nil {
xeth.frontend = dummyFrontend{}
}
state, _ := xeth.backend.BlockChain().State()
xeth.state = NewState(xeth, state)
go xeth.start()
return xeth
}
func (self *XEth) DefaultGasPrice() *big.Int {
if self.gpo == nil {
self.gpo = exp.NewGasPriceOracle(self.backend)
}
return self.gpo.SuggestPrice()
}