// 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
}
func TestCallbacks(t *testing.T) {
var (
mux event.TypeMux
fs = NewFilterSystem(&mux)
blockDone = make(chan struct{})
txDone = make(chan struct{})
logDone = make(chan struct{})
removedLogDone = make(chan struct{})
pendingLogDone = make(chan struct{})
)
blockFilter := &Filter{
BlockCallback: func(*types.Block, vm.Logs) {
close(blockDone)
},
}
txFilter := &Filter{
TransactionCallback: func(*types.Transaction) {
close(txDone)
},
}
logFilter := &Filter{
LogCallback: func(l *vm.Log, oob bool) {
if !oob {
close(logDone)
}
},
}
removedLogFilter := &Filter{
LogCallback: func(l *vm.Log, oob bool) {
if oob {
close(removedLogDone)
}
},
}
pendingLogFilter := &Filter{
LogCallback: func(*vm.Log, bool) {
close(pendingLogDone)
},
}
fs.Add(blockFilter, ChainFilter)
fs.Add(txFilter, PendingTxFilter)
fs.Add(logFilter, LogFilter)
fs.Add(removedLogFilter, LogFilter)
fs.Add(pendingLogFilter, PendingLogFilter)
mux.Post(core.ChainEvent{})
mux.Post(core.TxPreEvent{})
mux.Post(vm.Logs{&vm.Log{}})
mux.Post(core.RemovedLogsEvent{Logs: vm.Logs{&vm.Log{}}})
mux.Post(core.PendingLogsEvent{Logs: vm.Logs{&vm.Log{}}})
const dura = 5 * time.Second
failTimer := time.NewTimer(dura)
select {
case <-blockDone:
case <-failTimer.C:
t.Error("block filter failed to trigger (timeout)")
}
failTimer.Reset(dura)
select {
case <-txDone:
case <-failTimer.C:
t.Error("transaction filter failed to trigger (timeout)")
}
failTimer.Reset(dura)
select {
case <-logDone:
case <-failTimer.C:
t.Error("log filter failed to trigger (timeout)")
}
failTimer.Reset(dura)
select {
case <-removedLogDone:
case <-failTimer.C:
t.Error("removed log filter failed to trigger (timeout)")
}
failTimer.Reset(dura)
select {
case <-pendingLogDone:
case <-failTimer.C:
t.Error("pending log filter failed to trigger (timeout)")
}
}