// NewFilterSystem returns a newly allocated filter manager
func NewFilterSystem(mux *event.TypeMux) *FilterSystem {
fs := &FilterSystem{
filters: make(map[int]*Filter),
created: make(map[int]time.Time),
}
fs.sub = mux.Subscribe(
//core.PendingBlockEvent{},
core.ChainEvent{},
core.TxPreEvent{},
vm.Logs(nil),
)
go fs.filterLoop()
return fs
}
func NewTxPool(eventMux *event.TypeMux, currentStateFn stateFn, gasLimitFn func() *big.Int) *TxPool {
pool := &TxPool{
pending: make(map[common.Hash]*types.Transaction),
queue: make(map[common.Address]map[common.Hash]*types.Transaction),
quit: make(chan bool),
eventMux: eventMux,
currentState: currentStateFn,
gasLimit: gasLimitFn,
minGasPrice: new(big.Int),
pendingState: nil,
events: eventMux.Subscribe(ChainHeadEvent{}, GasPriceChanged{}, RemovedTransactionEvent{}),
}
go pool.eventLoop()
return pool
}
func NewTxPool(config *ChainConfig, eventMux *event.TypeMux, currentStateFn stateFn, gasLimitFn func() *big.Int) *TxPool {
pool := &TxPool{
config: config,
pending: make(map[common.Address]*txList),
queue: make(map[common.Address]*txList),
all: make(map[common.Hash]*types.Transaction),
beats: make(map[common.Address]time.Time),
eventMux: eventMux,
currentState: currentStateFn,
gasLimit: gasLimitFn,
minGasPrice: new(big.Int),
pendingState: nil,
localTx: newTxSet(),
events: eventMux.Subscribe(ChainHeadEvent{}, GasPriceChanged{}, RemovedTransactionEvent{}),
quit: make(chan struct{}),
}
pool.wg.Add(2)
go pool.eventLoop()
go pool.expirationLoop()
return pool
}