Add local implementation of the newFilter call using remote getLogs call (#1235)
* Implement subscriptions and filtering * Add e2e test with log filter polling logs from EVM with clique backend * Apply review comments * Move devnode to t/devtests to avoid cycle in imports
This commit is contained in:
Dmitry Shulyak
GitHub
parent
a75f9c34cf
commit
29b55bd445
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@ -1,58 +1,102 @@
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package rpcfilters
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import (
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"context"
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"errors"
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"sync"
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"time"
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"github.com/ethereum/go-ethereum/common"
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ethereum "github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/eth/filters"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/pborman/uuid"
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)
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type filter struct {
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hashes []common.Hash
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mu sync.Mutex
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done chan struct{}
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}
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const (
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defaultFilterLivenessPeriod = 5 * time.Minute
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defaultLogsPeriod = 3 * time.Second
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defaultLogsQueryTimeout = 10 * time.Second
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)
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// AddHash adds a hash to the filter
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func (f *filter) AddHash(hash common.Hash) {
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f.mu.Lock()
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defer f.mu.Unlock()
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f.hashes = append(f.hashes, hash)
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}
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// PopHashes returns all the hashes stored in the filter and clears the filter contents
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func (f *filter) PopHashes() []common.Hash {
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f.mu.Lock()
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defer f.mu.Unlock()
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hashes := f.hashes
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f.hashes = nil
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return returnHashes(hashes)
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}
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func newFilter() *filter {
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return &filter{
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done: make(chan struct{}),
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}
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type filter interface {
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add(interface{}) error
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pop() interface{}
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stop()
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deadline() *time.Timer
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}
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// PublicAPI represents filter API that is exported to `eth` namespace
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type PublicAPI struct {
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filters map[rpc.ID]*filter
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filtersMu sync.Mutex
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filtersMu sync.Mutex
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filters map[rpc.ID]filter
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// filterLivenessLoop defines how often timeout loop is executed
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filterLivenessLoop time.Duration
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// filter liveness increased by this period when changes are requested
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filterLivenessPeriod time.Duration
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client func() ContextCaller
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latestBlockChangedEvent *latestBlockChangedEvent
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transactionSentToUpstreamEvent *transactionSentToUpstreamEvent
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}
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// NewPublicAPI returns a reference to the PublicAPI object
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func NewPublicAPI(latestBlockChangedEvent *latestBlockChangedEvent,
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transactionSentToUpstreamEvent *transactionSentToUpstreamEvent) *PublicAPI {
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return &PublicAPI{
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filters: make(map[rpc.ID]*filter),
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latestBlockChangedEvent: latestBlockChangedEvent,
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transactionSentToUpstreamEvent: transactionSentToUpstreamEvent,
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func NewPublicAPI(s *Service) *PublicAPI {
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api := &PublicAPI{
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filters: make(map[rpc.ID]filter),
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latestBlockChangedEvent: s.latestBlockChangedEvent,
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transactionSentToUpstreamEvent: s.transactionSentToUpstreamEvent,
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client: func() ContextCaller { return s.rpc.RPCClient() },
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filterLivenessLoop: defaultFilterLivenessPeriod,
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filterLivenessPeriod: defaultFilterLivenessPeriod + 10*time.Second,
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}
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go api.timeoutLoop(s.quit)
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return api
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}
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func (api *PublicAPI) timeoutLoop(quit chan struct{}) {
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for {
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select {
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case <-quit:
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return
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case <-time.After(api.filterLivenessLoop):
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api.filtersMu.Lock()
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for id, f := range api.filters {
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deadline := f.deadline()
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if deadline == nil {
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continue
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}
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select {
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case <-deadline.C:
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delete(api.filters, id)
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f.stop()
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default:
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continue
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}
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}
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api.filtersMu.Unlock()
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}
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}
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}
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func (api *PublicAPI) NewFilter(crit filters.FilterCriteria) (rpc.ID, error) {
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id := rpc.ID(uuid.New())
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ctx, cancel := context.WithCancel(context.Background())
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f := &logsFilter{
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id: id,
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crit: ethereum.FilterQuery(crit),
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done: make(chan struct{}),
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timer: time.NewTimer(api.filterLivenessPeriod),
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ctx: ctx,
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cancel: cancel,
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}
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api.filtersMu.Lock()
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api.filters[id] = f
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api.filtersMu.Unlock()
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go pollLogs(api.client(), f, defaultLogsQueryTimeout, defaultLogsPeriod)
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return id, nil
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}
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// NewBlockFilter is an implemenation of `eth_newBlockFilter` API
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@ -61,7 +105,7 @@ func (api *PublicAPI) NewBlockFilter() rpc.ID {
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api.filtersMu.Lock()
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defer api.filtersMu.Unlock()
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f := newFilter()
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f := newHashFilter()
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id := rpc.ID(uuid.New())
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api.filters[id] = f
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@ -73,7 +117,9 @@ func (api *PublicAPI) NewBlockFilter() rpc.ID {
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for {
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select {
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case hash := <-s:
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f.AddHash(hash)
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if err := f.add(hash); err != nil {
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log.Error("error adding value to filter", "hash", hash, "error", err)
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}
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case <-f.done:
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return
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}
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@ -90,7 +136,7 @@ func (api *PublicAPI) NewPendingTransactionFilter() rpc.ID {
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api.filtersMu.Lock()
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defer api.filtersMu.Unlock()
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f := newFilter()
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f := newHashFilter()
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id := rpc.ID(uuid.New())
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api.filters[id] = f
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@ -102,7 +148,9 @@ func (api *PublicAPI) NewPendingTransactionFilter() rpc.ID {
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for {
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select {
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case hash := <-s:
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f.AddHash(hash)
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if err := f.add(hash); err != nil {
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log.Error("error adding value to filter", "hash", hash, "error", err)
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}
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case <-f.done:
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return
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}
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@ -125,7 +173,7 @@ func (api *PublicAPI) UninstallFilter(id rpc.ID) bool {
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api.filtersMu.Unlock()
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if found {
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close(f.done)
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f.stop()
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}
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return found
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@ -135,22 +183,26 @@ func (api *PublicAPI) UninstallFilter(id rpc.ID) bool {
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// last time it was called. This can be used for polling.
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//
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// https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_getfilterchanges
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func (api *PublicAPI) GetFilterChanges(id rpc.ID) ([]common.Hash, error) {
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func (api *PublicAPI) GetFilterChanges(id rpc.ID) (interface{}, error) {
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api.filtersMu.Lock()
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defer api.filtersMu.Unlock()
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if f, found := api.filters[id]; found {
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return f.PopHashes(), nil
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deadline := f.deadline()
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if deadline != nil {
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if !deadline.Stop() {
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// timer expired but filter is not yet removed in timeout loop
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// receive timer value and reset timer
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// see https://golang.org/pkg/time/#Timer.Reset
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<-deadline.C
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}
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deadline.Reset(api.filterLivenessPeriod)
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}
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rst := f.pop()
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if rst == nil {
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return []interface{}{}, nil
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}
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return rst, nil
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}
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return []common.Hash{}, errors.New("filter not found")
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}
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// returnHashes is a helper that will return an empty hash array case the given hash array is nil,
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// otherwise the given hashes array is returned.
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func returnHashes(hashes []common.Hash) []common.Hash {
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if hashes == nil {
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return []common.Hash{}
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}
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return hashes
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return []interface{}{}, errors.New("filter not found")
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}
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@ -0,0 +1,76 @@
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package rpcfilters
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import (
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"sync"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/eth/filters"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestFilterLiveness(t *testing.T) {
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api := &PublicAPI{
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filters: make(map[rpc.ID]filter),
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filterLivenessLoop: 10 * time.Millisecond,
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filterLivenessPeriod: 15 * time.Millisecond,
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client: func() ContextCaller { return &callTracker{} },
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}
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id, err := api.NewFilter(filters.FilterCriteria{})
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require.NoError(t, err)
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quit := make(chan struct{})
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var wg sync.WaitGroup
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wg.Add(1)
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go func() {
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api.timeoutLoop(quit)
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wg.Done()
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}()
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tick := time.Tick(10 * time.Millisecond)
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after := time.After(100 * time.Millisecond)
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func() {
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for {
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select {
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case <-after:
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assert.FailNow(t, "filter wasn't removed")
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close(quit)
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return
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case <-tick:
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api.filtersMu.Lock()
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_, exist := api.filters[id]
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api.filtersMu.Unlock()
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if !exist {
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close(quit)
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return
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}
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}
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}
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}()
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wg.Wait()
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}
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func TestGetFilterChangesResetsTimer(t *testing.T) {
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api := &PublicAPI{
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filters: make(map[rpc.ID]filter),
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filterLivenessLoop: 10 * time.Millisecond,
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filterLivenessPeriod: 15 * time.Millisecond,
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client: func() ContextCaller { return &callTracker{} },
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}
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id, err := api.NewFilter(filters.FilterCriteria{})
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require.NoError(t, err)
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api.filtersMu.Lock()
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f := api.filters[id]
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require.True(t, f.deadline().Stop())
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fake := make(chan time.Time, 1)
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fake <- time.Time{}
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f.deadline().C = fake
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api.filtersMu.Unlock()
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require.False(t, f.deadline().Stop())
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// GetFilterChanges will Reset deadline
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_, err = api.GetFilterChanges(id)
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require.NoError(t, err)
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require.True(t, f.deadline().Stop())
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}
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@ -0,0 +1,56 @@
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package rpcfilters
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import (
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"errors"
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"sync"
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"time"
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"github.com/ethereum/go-ethereum/common"
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)
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type hashFilter struct {
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hashes []common.Hash
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mu sync.Mutex
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done chan struct{}
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timer *time.Timer
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}
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// add adds a hash to the hashFilter
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func (f *hashFilter) add(data interface{}) error {
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hash, ok := data.(common.Hash)
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if !ok {
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return errors.New("provided data is not a common.Hash")
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}
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f.mu.Lock()
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defer f.mu.Unlock()
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f.hashes = append(f.hashes, hash)
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return nil
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}
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// pop returns all the hashes stored in the hashFilter and clears the hashFilter contents
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func (f *hashFilter) pop() interface{} {
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f.mu.Lock()
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defer f.mu.Unlock()
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hashes := f.hashes
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f.hashes = nil
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return hashes
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}
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func (f *hashFilter) stop() {
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select {
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case <-f.done:
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return
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default:
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close(f.done)
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}
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}
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func (f *hashFilter) deadline() *time.Timer {
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return f.timer
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}
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func newHashFilter() *hashFilter {
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return &hashFilter{
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done: make(chan struct{}),
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}
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}
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@ -0,0 +1,85 @@
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package rpcfilters
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import (
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"context"
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"math/big"
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"time"
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ethereum "github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/rpc"
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)
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// ContextCaller provides CallContext method as ethereums rpc.Client.
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type ContextCaller interface {
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CallContext(ctx context.Context, result interface{}, method string, args ...interface{}) error
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}
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func pollLogs(client ContextCaller, f *logsFilter, timeout, period time.Duration) {
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adjusted := false
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query := func() {
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ctx, cancel := context.WithTimeout(f.ctx, timeout)
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logs, err := getLogs(ctx, client, f.crit)
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cancel()
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if err != nil {
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log.Error("failed to get logs", "criteria", f.crit, "error", err)
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} else if !adjusted {
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adjustFromBlock(&f.crit)
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adjusted = true
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}
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if err := f.add(logs); err != nil {
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log.Error("error adding logs", "logs", logs, "error", err)
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}
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}
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query()
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latest := time.NewTicker(period)
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defer latest.Stop()
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for {
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select {
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case <-latest.C:
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query()
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case <-f.done:
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log.Debug("filter was stopped", "ID", f.id, "crit", f.crit)
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return
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}
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}
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}
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// adjustFromBlock adjusts crit.FromBlock to the latest to avoid querying same logs multiple times.
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func adjustFromBlock(crit *ethereum.FilterQuery) {
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latest := big.NewInt(rpc.LatestBlockNumber.Int64())
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// don't adjust if filter is not interested in newer blocks
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if crit.ToBlock != nil && crit.ToBlock.Cmp(latest) == 1 {
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return
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}
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// don't adjust if from block is already pending
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if crit.FromBlock != nil && crit.FromBlock.Cmp(latest) == -1 {
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return
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}
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crit.FromBlock = latest
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}
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func getLogs(ctx context.Context, client ContextCaller, crit ethereum.FilterQuery) (rst []types.Log, err error) {
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return rst, client.CallContext(ctx, &rst, "eth_getLogs", toFilterArg(crit))
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}
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func toFilterArg(q ethereum.FilterQuery) interface{} {
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arg := map[string]interface{}{
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"fromBlock": toBlockNumArg(q.FromBlock),
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"toBlock": toBlockNumArg(q.ToBlock),
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"address": q.Addresses,
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"topics": q.Topics,
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}
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return arg
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}
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func toBlockNumArg(number *big.Int) string {
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if number == nil || number.Int64() == rpc.LatestBlockNumber.Int64() {
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return "latest"
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} else if number.Int64() == rpc.PendingBlockNumber.Int64() {
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return "pending"
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}
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return hexutil.EncodeBig(number)
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}
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@ -0,0 +1,145 @@
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package rpcfilters
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import (
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"context"
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"errors"
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"math/big"
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"sync"
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"testing"
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"time"
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ethereum "github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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type callTracker struct {
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mu sync.Mutex
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calls int
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reply [][]types.Log
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criterias []map[string]interface{}
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}
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func (c *callTracker) CallContext(ctx context.Context, result interface{}, method string, args ...interface{}) error {
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c.mu.Lock()
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defer c.mu.Unlock()
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c.calls++
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if len(args) != 1 {
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return errors.New("unexpected length of args")
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}
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crit := args[0].(map[string]interface{})
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c.criterias = append(c.criterias, crit)
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select {
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case <-ctx.Done():
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return errors.New("context canceled")
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default:
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}
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if c.calls <= len(c.reply) {
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rst := result.(*[]types.Log)
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*rst = c.reply[c.calls-1]
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}
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return nil
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}
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func runLogsFetcherTest(t *testing.T, f *logsFilter) *callTracker {
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c := callTracker{reply: [][]types.Log{
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make([]types.Log, 2),
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}}
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var wg sync.WaitGroup
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wg.Add(1)
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go func() {
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pollLogs(&c, f, time.Second, 100*time.Millisecond)
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wg.Done()
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}()
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tick := time.Tick(10 * time.Millisecond)
|
||||
after := time.After(time.Second)
|
||||
func() {
|
||||
for {
|
||||
select {
|
||||
case <-after:
|
||||
f.stop()
|
||||
assert.FailNow(t, "failed waiting for requests")
|
||||
return
|
||||
case <-tick:
|
||||
c.mu.Lock()
|
||||
num := c.calls
|
||||
c.mu.Unlock()
|
||||
if num >= 2 {
|
||||
f.stop()
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
}()
|
||||
wg.Wait()
|
||||
require.Len(t, c.criterias, 2)
|
||||
return &c
|
||||
}
|
||||
|
||||
func TestLogsFetcherAdjusted(t *testing.T) {
|
||||
f := &logsFilter{
|
||||
ctx: context.TODO(),
|
||||
crit: ethereum.FilterQuery{
|
||||
FromBlock: big.NewInt(10),
|
||||
},
|
||||
done: make(chan struct{}),
|
||||
}
|
||||
c := runLogsFetcherTest(t, f)
|
||||
require.Equal(t, hexutil.EncodeBig(big.NewInt(10)), c.criterias[0]["fromBlock"])
|
||||
require.Equal(t, c.criterias[1]["fromBlock"], "latest")
|
||||
}
|
||||
|
||||
func TestLogsFetcherCanceledContext(t *testing.T) {
|
||||
ctx, cancel := context.WithCancel(context.Background())
|
||||
f := &logsFilter{
|
||||
ctx: ctx,
|
||||
crit: ethereum.FilterQuery{
|
||||
FromBlock: big.NewInt(10),
|
||||
},
|
||||
done: make(chan struct{}),
|
||||
}
|
||||
cancel()
|
||||
c := runLogsFetcherTest(t, f)
|
||||
require.Equal(t, hexutil.EncodeBig(big.NewInt(10)), c.criterias[0]["fromBlock"])
|
||||
require.Equal(t, hexutil.EncodeBig(big.NewInt(10)), c.criterias[1]["fromBlock"])
|
||||
}
|
||||
|
||||
func TestAdjustFromBlock(t *testing.T) {
|
||||
type testCase struct {
|
||||
description string
|
||||
initial ethereum.FilterQuery
|
||||
result ethereum.FilterQuery
|
||||
}
|
||||
|
||||
for _, tc := range []testCase{
|
||||
{
|
||||
"ToBlockHigherThenLatest",
|
||||
ethereum.FilterQuery{ToBlock: big.NewInt(10)},
|
||||
ethereum.FilterQuery{ToBlock: big.NewInt(10)},
|
||||
},
|
||||
{
|
||||
"FromBlockIsPending",
|
||||
ethereum.FilterQuery{FromBlock: big.NewInt(-2)},
|
||||
ethereum.FilterQuery{FromBlock: big.NewInt(-2)},
|
||||
},
|
||||
{
|
||||
"FromBlockIsOlderThenLatest",
|
||||
ethereum.FilterQuery{FromBlock: big.NewInt(10)},
|
||||
ethereum.FilterQuery{FromBlock: big.NewInt(-1)},
|
||||
},
|
||||
{
|
||||
"NotInterestedInLatestBlocks",
|
||||
ethereum.FilterQuery{FromBlock: big.NewInt(10), ToBlock: big.NewInt(15)},
|
||||
ethereum.FilterQuery{FromBlock: big.NewInt(10), ToBlock: big.NewInt(15)},
|
||||
},
|
||||
} {
|
||||
tc := tc
|
||||
t.Run(tc.description, func(t *testing.T) {
|
||||
t.Parallel()
|
||||
adjustFromBlock(&tc.initial)
|
||||
require.Equal(t, tc.result, tc.initial)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,132 @@
|
|||
package rpcfilters
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
ethereum "github.com/ethereum/go-ethereum"
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core/types"
|
||||
"github.com/ethereum/go-ethereum/rpc"
|
||||
)
|
||||
|
||||
type logsFilter struct {
|
||||
mu sync.Mutex
|
||||
logs []types.Log
|
||||
lastSeenBlockNumber uint64
|
||||
lastSeenBlockHash common.Hash
|
||||
|
||||
id rpc.ID
|
||||
crit ethereum.FilterQuery
|
||||
timer *time.Timer
|
||||
|
||||
ctx context.Context
|
||||
cancel context.CancelFunc
|
||||
done chan struct{}
|
||||
}
|
||||
|
||||
func (f *logsFilter) add(data interface{}) error {
|
||||
logs, ok := data.([]types.Log)
|
||||
if !ok {
|
||||
return errors.New("provided value is not a []types.Log")
|
||||
}
|
||||
filtered, num, hash := filterLogs(logs, f.crit, f.lastSeenBlockNumber, f.lastSeenBlockHash)
|
||||
f.mu.Lock()
|
||||
f.lastSeenBlockNumber = num
|
||||
f.lastSeenBlockHash = hash
|
||||
f.logs = append(f.logs, filtered...)
|
||||
f.mu.Unlock()
|
||||
return nil
|
||||
}
|
||||
|
||||
func (f *logsFilter) pop() interface{} {
|
||||
f.mu.Lock()
|
||||
defer f.mu.Unlock()
|
||||
rst := f.logs
|
||||
f.logs = nil
|
||||
return rst
|
||||
}
|
||||
|
||||
func (f *logsFilter) stop() {
|
||||
select {
|
||||
case <-f.done:
|
||||
return
|
||||
default:
|
||||
close(f.done)
|
||||
if f.cancel != nil {
|
||||
f.cancel()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (f *logsFilter) deadline() *time.Timer {
|
||||
return f.timer
|
||||
}
|
||||
|
||||
func includes(addresses []common.Address, a common.Address) bool {
|
||||
for _, addr := range addresses {
|
||||
if addr == a {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
// filterLogs creates a slice of logs matching the given criteria.
|
||||
func filterLogs(logs []types.Log, crit ethereum.FilterQuery, blockNum uint64, blockHash common.Hash) (
|
||||
ret []types.Log, num uint64, hash common.Hash) {
|
||||
num = blockNum
|
||||
hash = blockHash
|
||||
for _, log := range logs {
|
||||
// skip logs from seen blocks
|
||||
// find highest block number that we didnt see before
|
||||
if log.BlockNumber >= num {
|
||||
num = log.BlockNumber
|
||||
hash = log.BlockHash
|
||||
}
|
||||
if matchLog(log, crit, blockNum, blockHash) {
|
||||
ret = append(ret, log)
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func matchLog(log types.Log, crit ethereum.FilterQuery, blockNum uint64, blockHash common.Hash) bool {
|
||||
// skip logs from seen blocks
|
||||
if log.BlockNumber < blockNum {
|
||||
return false
|
||||
} else if log.BlockNumber == blockNum && log.BlockHash == blockHash {
|
||||
return false
|
||||
}
|
||||
if crit.FromBlock != nil && crit.FromBlock.Int64() >= 0 && crit.FromBlock.Uint64() > log.BlockNumber {
|
||||
return false
|
||||
}
|
||||
if crit.ToBlock != nil && crit.ToBlock.Int64() >= 0 && crit.ToBlock.Uint64() < log.BlockNumber {
|
||||
return false
|
||||
}
|
||||
if len(crit.Addresses) > 0 && !includes(crit.Addresses, log.Address) {
|
||||
return false
|
||||
}
|
||||
if len(crit.Topics) > len(log.Topics) {
|
||||
return false
|
||||
}
|
||||
return matchTopics(log, crit.Topics)
|
||||
}
|
||||
|
||||
func matchTopics(log types.Log, topics [][]common.Hash) bool {
|
||||
for i, sub := range topics {
|
||||
match := len(sub) == 0 // empty rule set == wildcard
|
||||
for _, topic := range sub {
|
||||
if log.Topics[i] == topic {
|
||||
match = true
|
||||
break
|
||||
}
|
||||
}
|
||||
if !match {
|
||||
return false
|
||||
}
|
||||
}
|
||||
return true
|
||||
}
|
||||
|
|
@ -0,0 +1,125 @@
|
|||
package rpcfilters
|
||||
|
||||
import (
|
||||
"math/big"
|
||||
"testing"
|
||||
|
||||
ethereum "github.com/ethereum/go-ethereum"
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core/types"
|
||||
"github.com/stretchr/testify/require"
|
||||
)
|
||||
|
||||
func TestFilterLogs(t *testing.T) {
|
||||
logs := []types.Log{
|
||||
{
|
||||
BlockNumber: 1,
|
||||
BlockHash: common.Hash{1, 1},
|
||||
Address: common.Address{1, 1, 1},
|
||||
Topics: []common.Hash{
|
||||
{1},
|
||||
{1, 1},
|
||||
},
|
||||
},
|
||||
{
|
||||
BlockNumber: 2,
|
||||
BlockHash: common.Hash{2, 2},
|
||||
Address: common.Address{2, 2, 2},
|
||||
Topics: []common.Hash{
|
||||
{1},
|
||||
{2, 2},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
type testCase struct {
|
||||
description string
|
||||
|
||||
blockNum uint64
|
||||
blockHash common.Hash
|
||||
crit ethereum.FilterQuery
|
||||
|
||||
expectedLogs []types.Log
|
||||
expectedBlock uint64
|
||||
expectedHash common.Hash
|
||||
}
|
||||
|
||||
for _, tc := range []testCase{
|
||||
{
|
||||
description: "All",
|
||||
crit: ethereum.FilterQuery{},
|
||||
expectedLogs: []types.Log{logs[0], logs[1]},
|
||||
expectedBlock: logs[1].BlockNumber,
|
||||
expectedHash: logs[1].BlockHash,
|
||||
},
|
||||
{
|
||||
description: "LimitedByBlock",
|
||||
crit: ethereum.FilterQuery{ToBlock: big.NewInt(1)},
|
||||
expectedLogs: []types.Log{logs[0]},
|
||||
expectedBlock: logs[1].BlockNumber,
|
||||
expectedHash: logs[1].BlockHash,
|
||||
},
|
||||
{
|
||||
description: "LimitedByAddress",
|
||||
crit: ethereum.FilterQuery{Addresses: []common.Address{logs[1].Address}},
|
||||
expectedLogs: []types.Log{logs[1]},
|
||||
expectedBlock: logs[1].BlockNumber,
|
||||
expectedHash: logs[1].BlockHash,
|
||||
},
|
||||
{
|
||||
description: "LimitedByAddress",
|
||||
crit: ethereum.FilterQuery{Addresses: []common.Address{logs[1].Address}},
|
||||
expectedLogs: []types.Log{logs[1]},
|
||||
expectedBlock: logs[1].BlockNumber,
|
||||
expectedHash: logs[1].BlockHash,
|
||||
},
|
||||
{
|
||||
description: "MoreTopicsThanInLogs",
|
||||
crit: ethereum.FilterQuery{Topics: make([][]common.Hash, 3)},
|
||||
expectedBlock: logs[1].BlockNumber,
|
||||
expectedHash: logs[1].BlockHash,
|
||||
},
|
||||
{
|
||||
description: "Wildcard",
|
||||
crit: ethereum.FilterQuery{Topics: make([][]common.Hash, 1)},
|
||||
expectedLogs: []types.Log{logs[0], logs[1]},
|
||||
expectedBlock: logs[1].BlockNumber,
|
||||
expectedHash: logs[1].BlockHash,
|
||||
},
|
||||
{
|
||||
description: "LimitedBySecondTopic",
|
||||
crit: ethereum.FilterQuery{Topics: [][]common.Hash{
|
||||
{}, logs[1].Topics}},
|
||||
expectedLogs: []types.Log{logs[1]},
|
||||
expectedBlock: logs[1].BlockNumber,
|
||||
expectedHash: logs[1].BlockHash,
|
||||
},
|
||||
{
|
||||
blockNum: logs[1].BlockNumber,
|
||||
blockHash: logs[1].BlockHash,
|
||||
description: "LimitedBySeenBlock",
|
||||
crit: ethereum.FilterQuery{},
|
||||
expectedBlock: logs[1].BlockNumber,
|
||||
expectedHash: logs[1].BlockHash,
|
||||
},
|
||||
{
|
||||
blockNum: logs[1].BlockNumber,
|
||||
blockHash: common.Hash{7, 7, 7},
|
||||
description: "SeenBlockDifferenthash",
|
||||
crit: ethereum.FilterQuery{},
|
||||
expectedLogs: []types.Log{logs[1]},
|
||||
expectedBlock: logs[1].BlockNumber,
|
||||
expectedHash: logs[1].BlockHash,
|
||||
},
|
||||
} {
|
||||
tc := tc
|
||||
t.Run(tc.description, func(t *testing.T) {
|
||||
t.Parallel()
|
||||
rst, num, hash := filterLogs(logs, tc.crit, tc.blockNum, tc.blockHash)
|
||||
require.Equal(t, tc.expectedLogs, rst)
|
||||
require.Equal(t, tc.expectedBlock, num)
|
||||
require.Equal(t, tc.expectedHash, hash)
|
||||
})
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -14,6 +14,9 @@ var _ node.Service = (*Service)(nil)
|
|||
type Service struct {
|
||||
latestBlockChangedEvent *latestBlockChangedEvent
|
||||
transactionSentToUpstreamEvent *transactionSentToUpstreamEvent
|
||||
rpc rpcProvider
|
||||
|
||||
quit chan struct{}
|
||||
}
|
||||
|
||||
// New returns a new Service.
|
||||
|
|
@ -22,8 +25,9 @@ func New(rpc rpcProvider) *Service {
|
|||
latestBlockChangedEvent := newLatestBlockChangedEvent(provider)
|
||||
transactionSentToUpstreamEvent := newTransactionSentToUpstreamEvent()
|
||||
return &Service{
|
||||
latestBlockChangedEvent,
|
||||
transactionSentToUpstreamEvent,
|
||||
latestBlockChangedEvent: latestBlockChangedEvent,
|
||||
transactionSentToUpstreamEvent: transactionSentToUpstreamEvent,
|
||||
rpc: rpc,
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -38,16 +42,15 @@ func (s *Service) APIs() []rpc.API {
|
|||
{
|
||||
Namespace: "eth",
|
||||
Version: "1.0",
|
||||
Service: NewPublicAPI(
|
||||
s.latestBlockChangedEvent,
|
||||
s.transactionSentToUpstreamEvent),
|
||||
Public: true,
|
||||
Service: NewPublicAPI(s),
|
||||
Public: true,
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
// Start is run when a service is started.
|
||||
func (s *Service) Start(server *p2p.Server) error {
|
||||
s.quit = make(chan struct{})
|
||||
err := s.transactionSentToUpstreamEvent.Start()
|
||||
if err != nil {
|
||||
return err
|
||||
|
|
@ -57,6 +60,7 @@ func (s *Service) Start(server *p2p.Server) error {
|
|||
|
||||
// Stop is run when a service is stopped.
|
||||
func (s *Service) Stop() error {
|
||||
close(s.quit)
|
||||
s.transactionSentToUpstreamEvent.Stop()
|
||||
s.latestBlockChangedEvent.Stop()
|
||||
return nil
|
||||
|
|
|
|||
|
|
@ -0,0 +1,149 @@
|
|||
package devtests
|
||||
|
||||
import (
|
||||
"crypto/ecdsa"
|
||||
"io/ioutil"
|
||||
"math/big"
|
||||
"os"
|
||||
|
||||
"github.com/ethereum/go-ethereum/accounts/keystore"
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core"
|
||||
"github.com/ethereum/go-ethereum/crypto"
|
||||
"github.com/ethereum/go-ethereum/eth"
|
||||
"github.com/ethereum/go-ethereum/ethclient"
|
||||
"github.com/ethereum/go-ethereum/node"
|
||||
"github.com/ethereum/go-ethereum/rpc"
|
||||
"github.com/status-im/status-go/api"
|
||||
"github.com/status-im/status-go/params"
|
||||
statusrpc "github.com/status-im/status-go/rpc"
|
||||
"github.com/stretchr/testify/suite"
|
||||
)
|
||||
|
||||
// NewDevNode returns node with clieque engine and prefunded accounts.
|
||||
func NewDevNode(faucet common.Address) (*node.Node, error) {
|
||||
cfg := node.DefaultConfig
|
||||
ipc, err := ioutil.TempFile("", "devnode-ipc-")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
cfg.IPCPath = ipc.Name()
|
||||
cfg.HTTPModules = []string{"eth"}
|
||||
cfg.DataDir = ""
|
||||
cfg.P2P.MaxPeers = 0
|
||||
cfg.P2P.ListenAddr = ":0"
|
||||
cfg.P2P.NoDiscovery = true
|
||||
cfg.P2P.DiscoveryV5 = false
|
||||
|
||||
stack, err := node.New(&cfg)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
ks := stack.AccountManager().Backends(keystore.KeyStoreType)[0].(*keystore.KeyStore)
|
||||
// ensure that etherbase is added to an account manager
|
||||
etherbase, err := crypto.GenerateKey()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
acc, err := ks.ImportECDSA(etherbase, "")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
err = ks.Unlock(acc, "")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
ethcfg := eth.DefaultConfig
|
||||
ethcfg.NetworkId = 1337
|
||||
// 0 - mine only if transaction pending
|
||||
ethcfg.Genesis = core.DeveloperGenesisBlock(0, faucet)
|
||||
extra := make([]byte, 32) // extraVanity
|
||||
extra = append(extra, acc.Address[:]...)
|
||||
extra = append(extra, make([]byte, 65)...) // extraSeal
|
||||
ethcfg.Genesis.ExtraData = extra
|
||||
ethcfg.MinerGasPrice = big.NewInt(1)
|
||||
ethcfg.Etherbase = acc.Address
|
||||
|
||||
return stack, stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
|
||||
return eth.New(ctx, ðcfg)
|
||||
})
|
||||
|
||||
}
|
||||
|
||||
// StartWithMiner starts node with eth service and a miner.
|
||||
func StartWithMiner(stack *node.Node) error {
|
||||
err := stack.Start()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
var ethereum *eth.Ethereum
|
||||
err = stack.Service(ðereum)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
ethereum.TxPool().SetGasPrice(big.NewInt(1))
|
||||
return ethereum.StartMining(0)
|
||||
}
|
||||
|
||||
// DevNodeSuite provides convenient wrapper for starting node with clique backend for mining.
|
||||
type DevNodeSuite struct {
|
||||
suite.Suite
|
||||
|
||||
Remote *rpc.Client
|
||||
Eth *ethclient.Client
|
||||
Local *statusrpc.Client
|
||||
DevAccount *ecdsa.PrivateKey
|
||||
DevAccountAddress common.Address
|
||||
|
||||
dir string
|
||||
backend *api.StatusBackend
|
||||
miner *node.Node
|
||||
}
|
||||
|
||||
// SetupTest creates clique node and status node with an rpc connection to a clique node.
|
||||
func (s *DevNodeSuite) SetupTest() {
|
||||
account, err := crypto.GenerateKey()
|
||||
s.Require().NoError(err)
|
||||
s.DevAccount = account
|
||||
s.DevAccountAddress = crypto.PubkeyToAddress(account.PublicKey)
|
||||
s.miner, err = NewDevNode(s.DevAccountAddress)
|
||||
s.Require().NoError(err)
|
||||
s.Require().NoError(StartWithMiner(s.miner))
|
||||
|
||||
s.dir, err = ioutil.TempDir("", "devtests-")
|
||||
s.Require().NoError(err)
|
||||
config, err := params.NewNodeConfig(
|
||||
s.dir,
|
||||
1337,
|
||||
)
|
||||
s.Require().NoError(err)
|
||||
config.WhisperConfig.Enabled = false
|
||||
config.LightEthConfig.Enabled = false
|
||||
config.UpstreamConfig.Enabled = true
|
||||
config.UpstreamConfig.URL = s.miner.IPCEndpoint()
|
||||
s.backend = api.NewStatusBackend()
|
||||
s.Require().NoError(s.backend.StartNode(config))
|
||||
|
||||
s.Remote, err = s.miner.Attach()
|
||||
s.Require().NoError(err)
|
||||
s.Eth = ethclient.NewClient(s.Remote)
|
||||
s.Local = s.backend.StatusNode().RPCClient()
|
||||
}
|
||||
|
||||
// TearDownTest stops status node and clique node.
|
||||
func (s *DevNodeSuite) TearDownTest() {
|
||||
if s.miner != nil {
|
||||
s.Require().NoError(s.miner.Stop())
|
||||
s.miner = nil
|
||||
}
|
||||
if s.backend != nil {
|
||||
s.Require().NoError(s.backend.StopNode())
|
||||
s.backend = nil
|
||||
}
|
||||
if len(s.dir) != 0 {
|
||||
os.RemoveAll(s.dir)
|
||||
s.dir = ""
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,366 @@
|
|||
// Code generated - DO NOT EDIT.
|
||||
// This file is a generated binding and any manual changes will be lost.
|
||||
|
||||
package eventer
|
||||
|
||||
import (
|
||||
"math/big"
|
||||
"strings"
|
||||
|
||||
ethereum "github.com/ethereum/go-ethereum"
|
||||
"github.com/ethereum/go-ethereum/accounts/abi"
|
||||
"github.com/ethereum/go-ethereum/accounts/abi/bind"
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core/types"
|
||||
"github.com/ethereum/go-ethereum/event"
|
||||
)
|
||||
|
||||
// EventerABI is the input ABI used to generate the binding from.
|
||||
const EventerABI = "[{\"constant\":true,\"inputs\":[],\"name\":\"crt\",\"outputs\":[{\"name\":\"\",\"type\":\"int256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"topic\",\"type\":\"bytes32\"}],\"name\":\"emit\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"topic\",\"type\":\"bytes32\"},{\"indexed\":true,\"name\":\"crt\",\"type\":\"int256\"}],\"name\":\"Message\",\"type\":\"event\"}]"
|
||||
|
||||
// EventerBin is the compiled bytecode used for deploying new contracts.
|
||||
const EventerBin = `0x608060405234801561001057600080fd5b5060f28061001f6000396000f30060806040526004361060485763ffffffff7c01000000000000000000000000000000000000000000000000000000006000350416630868aad68114604d578063eee17820146071575b600080fd5b348015605857600080fd5b50605f6088565b60408051918252519081900360200190f35b348015607c57600080fd5b506086600435608e565b005b60005481565b60008054600101808255604051909183917fc3dab353f3a8451adb4c3071c9df72eebc7e900383c3295d66fe939bba21e1c99190a3505600a165627a7a72305820121895a4c6e091225d36a33443bf84f57560aa732841830ddf282def477ba9570029`
|
||||
|
||||
// DeployEventer deploys a new Ethereum contract, binding an instance of Eventer to it.
|
||||
func DeployEventer(auth *bind.TransactOpts, backend bind.ContractBackend) (common.Address, *types.Transaction, *Eventer, error) {
|
||||
parsed, err := abi.JSON(strings.NewReader(EventerABI))
|
||||
if err != nil {
|
||||
return common.Address{}, nil, nil, err
|
||||
}
|
||||
address, tx, contract, err := bind.DeployContract(auth, parsed, common.FromHex(EventerBin), backend)
|
||||
if err != nil {
|
||||
return common.Address{}, nil, nil, err
|
||||
}
|
||||
return address, tx, &Eventer{EventerCaller: EventerCaller{contract: contract}, EventerTransactor: EventerTransactor{contract: contract}, EventerFilterer: EventerFilterer{contract: contract}}, nil
|
||||
}
|
||||
|
||||
// Eventer is an auto generated Go binding around an Ethereum contract.
|
||||
type Eventer struct {
|
||||
EventerCaller // Read-only binding to the contract
|
||||
EventerTransactor // Write-only binding to the contract
|
||||
EventerFilterer // Log filterer for contract events
|
||||
}
|
||||
|
||||
// EventerCaller is an auto generated read-only Go binding around an Ethereum contract.
|
||||
type EventerCaller struct {
|
||||
contract *bind.BoundContract // Generic contract wrapper for the low level calls
|
||||
}
|
||||
|
||||
// EventerTransactor is an auto generated write-only Go binding around an Ethereum contract.
|
||||
type EventerTransactor struct {
|
||||
contract *bind.BoundContract // Generic contract wrapper for the low level calls
|
||||
}
|
||||
|
||||
// EventerFilterer is an auto generated log filtering Go binding around an Ethereum contract events.
|
||||
type EventerFilterer struct {
|
||||
contract *bind.BoundContract // Generic contract wrapper for the low level calls
|
||||
}
|
||||
|
||||
// EventerSession is an auto generated Go binding around an Ethereum contract,
|
||||
// with pre-set call and transact options.
|
||||
type EventerSession struct {
|
||||
Contract *Eventer // Generic contract binding to set the session for
|
||||
CallOpts bind.CallOpts // Call options to use throughout this session
|
||||
TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
|
||||
}
|
||||
|
||||
// EventerCallerSession is an auto generated read-only Go binding around an Ethereum contract,
|
||||
// with pre-set call options.
|
||||
type EventerCallerSession struct {
|
||||
Contract *EventerCaller // Generic contract caller binding to set the session for
|
||||
CallOpts bind.CallOpts // Call options to use throughout this session
|
||||
}
|
||||
|
||||
// EventerTransactorSession is an auto generated write-only Go binding around an Ethereum contract,
|
||||
// with pre-set transact options.
|
||||
type EventerTransactorSession struct {
|
||||
Contract *EventerTransactor // Generic contract transactor binding to set the session for
|
||||
TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
|
||||
}
|
||||
|
||||
// EventerRaw is an auto generated low-level Go binding around an Ethereum contract.
|
||||
type EventerRaw struct {
|
||||
Contract *Eventer // Generic contract binding to access the raw methods on
|
||||
}
|
||||
|
||||
// EventerCallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract.
|
||||
type EventerCallerRaw struct {
|
||||
Contract *EventerCaller // Generic read-only contract binding to access the raw methods on
|
||||
}
|
||||
|
||||
// EventerTransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract.
|
||||
type EventerTransactorRaw struct {
|
||||
Contract *EventerTransactor // Generic write-only contract binding to access the raw methods on
|
||||
}
|
||||
|
||||
// NewEventer creates a new instance of Eventer, bound to a specific deployed contract.
|
||||
func NewEventer(address common.Address, backend bind.ContractBackend) (*Eventer, error) {
|
||||
contract, err := bindEventer(address, backend, backend, backend)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return &Eventer{EventerCaller: EventerCaller{contract: contract}, EventerTransactor: EventerTransactor{contract: contract}, EventerFilterer: EventerFilterer{contract: contract}}, nil
|
||||
}
|
||||
|
||||
// NewEventerCaller creates a new read-only instance of Eventer, bound to a specific deployed contract.
|
||||
func NewEventerCaller(address common.Address, caller bind.ContractCaller) (*EventerCaller, error) {
|
||||
contract, err := bindEventer(address, caller, nil, nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return &EventerCaller{contract: contract}, nil
|
||||
}
|
||||
|
||||
// NewEventerTransactor creates a new write-only instance of Eventer, bound to a specific deployed contract.
|
||||
func NewEventerTransactor(address common.Address, transactor bind.ContractTransactor) (*EventerTransactor, error) {
|
||||
contract, err := bindEventer(address, nil, transactor, nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return &EventerTransactor{contract: contract}, nil
|
||||
}
|
||||
|
||||
// NewEventerFilterer creates a new log filterer instance of Eventer, bound to a specific deployed contract.
|
||||
func NewEventerFilterer(address common.Address, filterer bind.ContractFilterer) (*EventerFilterer, error) {
|
||||
contract, err := bindEventer(address, nil, nil, filterer)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return &EventerFilterer{contract: contract}, nil
|
||||
}
|
||||
|
||||
// bindEventer binds a generic wrapper to an already deployed contract.
|
||||
func bindEventer(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
|
||||
parsed, err := abi.JSON(strings.NewReader(EventerABI))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
|
||||
}
|
||||
|
||||
// Call invokes the (constant) contract method with params as input values and
|
||||
// sets the output to result. The result type might be a single field for simple
|
||||
// returns, a slice of interfaces for anonymous returns and a struct for named
|
||||
// returns.
|
||||
func (_Eventer *EventerRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error {
|
||||
return _Eventer.Contract.EventerCaller.contract.Call(opts, result, method, params...)
|
||||
}
|
||||
|
||||
// Transfer initiates a plain transaction to move funds to the contract, calling
|
||||
// its default method if one is available.
|
||||
func (_Eventer *EventerRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
|
||||
return _Eventer.Contract.EventerTransactor.contract.Transfer(opts)
|
||||
}
|
||||
|
||||
// Transact invokes the (paid) contract method with params as input values.
|
||||
func (_Eventer *EventerRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
|
||||
return _Eventer.Contract.EventerTransactor.contract.Transact(opts, method, params...)
|
||||
}
|
||||
|
||||
// Call invokes the (constant) contract method with params as input values and
|
||||
// sets the output to result. The result type might be a single field for simple
|
||||
// returns, a slice of interfaces for anonymous returns and a struct for named
|
||||
// returns.
|
||||
func (_Eventer *EventerCallerRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error {
|
||||
return _Eventer.Contract.contract.Call(opts, result, method, params...)
|
||||
}
|
||||
|
||||
// Transfer initiates a plain transaction to move funds to the contract, calling
|
||||
// its default method if one is available.
|
||||
func (_Eventer *EventerTransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
|
||||
return _Eventer.Contract.contract.Transfer(opts)
|
||||
}
|
||||
|
||||
// Transact invokes the (paid) contract method with params as input values.
|
||||
func (_Eventer *EventerTransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
|
||||
return _Eventer.Contract.contract.Transact(opts, method, params...)
|
||||
}
|
||||
|
||||
// Crt is a free data retrieval call binding the contract method 0x0868aad6.
|
||||
//
|
||||
// Solidity: function crt() constant returns(int256)
|
||||
func (_Eventer *EventerCaller) Crt(opts *bind.CallOpts) (*big.Int, error) {
|
||||
var (
|
||||
ret0 = new(*big.Int)
|
||||
)
|
||||
out := ret0
|
||||
err := _Eventer.contract.Call(opts, out, "crt")
|
||||
return *ret0, err
|
||||
}
|
||||
|
||||
// Crt is a free data retrieval call binding the contract method 0x0868aad6.
|
||||
//
|
||||
// Solidity: function crt() constant returns(int256)
|
||||
func (_Eventer *EventerSession) Crt() (*big.Int, error) {
|
||||
return _Eventer.Contract.Crt(&_Eventer.CallOpts)
|
||||
}
|
||||
|
||||
// Crt is a free data retrieval call binding the contract method 0x0868aad6.
|
||||
//
|
||||
// Solidity: function crt() constant returns(int256)
|
||||
func (_Eventer *EventerCallerSession) Crt() (*big.Int, error) {
|
||||
return _Eventer.Contract.Crt(&_Eventer.CallOpts)
|
||||
}
|
||||
|
||||
// Emit is a paid mutator transaction binding the contract method 0xeee17820.
|
||||
//
|
||||
// Solidity: function emit(topic bytes32) returns()
|
||||
func (_Eventer *EventerTransactor) Emit(opts *bind.TransactOpts, topic [32]byte) (*types.Transaction, error) {
|
||||
return _Eventer.contract.Transact(opts, "emit", topic)
|
||||
}
|
||||
|
||||
// Emit is a paid mutator transaction binding the contract method 0xeee17820.
|
||||
//
|
||||
// Solidity: function emit(topic bytes32) returns()
|
||||
func (_Eventer *EventerSession) Emit(topic [32]byte) (*types.Transaction, error) {
|
||||
return _Eventer.Contract.Emit(&_Eventer.TransactOpts, topic)
|
||||
}
|
||||
|
||||
// Emit is a paid mutator transaction binding the contract method 0xeee17820.
|
||||
//
|
||||
// Solidity: function emit(topic bytes32) returns()
|
||||
func (_Eventer *EventerTransactorSession) Emit(topic [32]byte) (*types.Transaction, error) {
|
||||
return _Eventer.Contract.Emit(&_Eventer.TransactOpts, topic)
|
||||
}
|
||||
|
||||
// EventerMessageIterator is returned from FilterMessage and is used to iterate over the raw logs and unpacked data for Message events raised by the Eventer contract.
|
||||
type EventerMessageIterator struct {
|
||||
Event *EventerMessage // Event containing the contract specifics and raw log
|
||||
|
||||
contract *bind.BoundContract // Generic contract to use for unpacking event data
|
||||
event string // Event name to use for unpacking event data
|
||||
|
||||
logs chan types.Log // Log channel receiving the found contract events
|
||||
sub ethereum.Subscription // Subscription for errors, completion and termination
|
||||
done bool // Whether the subscription completed delivering logs
|
||||
fail error // Occurred error to stop iteration
|
||||
}
|
||||
|
||||
// Next advances the iterator to the subsequent event, returning whether there
|
||||
// are any more events found. In case of a retrieval or parsing error, false is
|
||||
// returned and Error() can be queried for the exact failure.
|
||||
func (it *EventerMessageIterator) Next() bool {
|
||||
// If the iterator failed, stop iterating
|
||||
if it.fail != nil {
|
||||
return false
|
||||
}
|
||||
// If the iterator completed, deliver directly whatever's available
|
||||
if it.done {
|
||||
select {
|
||||
case log := <-it.logs:
|
||||
it.Event = new(EventerMessage)
|
||||
if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
|
||||
it.fail = err
|
||||
return false
|
||||
}
|
||||
it.Event.Raw = log
|
||||
return true
|
||||
|
||||
default:
|
||||
return false
|
||||
}
|
||||
}
|
||||
// Iterator still in progress, wait for either a data or an error event
|
||||
select {
|
||||
case log := <-it.logs:
|
||||
it.Event = new(EventerMessage)
|
||||
if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
|
||||
it.fail = err
|
||||
return false
|
||||
}
|
||||
it.Event.Raw = log
|
||||
return true
|
||||
|
||||
case err := <-it.sub.Err():
|
||||
it.done = true
|
||||
it.fail = err
|
||||
return it.Next()
|
||||
}
|
||||
}
|
||||
|
||||
// Error returns any retrieval or parsing error occurred during filtering.
|
||||
func (it *EventerMessageIterator) Error() error {
|
||||
return it.fail
|
||||
}
|
||||
|
||||
// Close terminates the iteration process, releasing any pending underlying
|
||||
// resources.
|
||||
func (it *EventerMessageIterator) Close() error {
|
||||
it.sub.Unsubscribe()
|
||||
return nil
|
||||
}
|
||||
|
||||
// EventerMessage represents a Message event raised by the Eventer contract.
|
||||
type EventerMessage struct {
|
||||
Topic [32]byte
|
||||
Crt *big.Int
|
||||
Raw types.Log // Blockchain specific contextual infos
|
||||
}
|
||||
|
||||
// FilterMessage is a free log retrieval operation binding the contract event 0xc3dab353f3a8451adb4c3071c9df72eebc7e900383c3295d66fe939bba21e1c9.
|
||||
//
|
||||
// Solidity: e Message(topic indexed bytes32, crt indexed int256)
|
||||
func (_Eventer *EventerFilterer) FilterMessage(opts *bind.FilterOpts, topic [][32]byte, crt []*big.Int) (*EventerMessageIterator, error) {
|
||||
|
||||
var topicRule []interface{}
|
||||
for _, topicItem := range topic {
|
||||
topicRule = append(topicRule, topicItem)
|
||||
}
|
||||
var crtRule []interface{}
|
||||
for _, crtItem := range crt {
|
||||
crtRule = append(crtRule, crtItem)
|
||||
}
|
||||
|
||||
logs, sub, err := _Eventer.contract.FilterLogs(opts, "Message", topicRule, crtRule)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return &EventerMessageIterator{contract: _Eventer.contract, event: "Message", logs: logs, sub: sub}, nil
|
||||
}
|
||||
|
||||
// WatchMessage is a free log subscription operation binding the contract event 0xc3dab353f3a8451adb4c3071c9df72eebc7e900383c3295d66fe939bba21e1c9.
|
||||
//
|
||||
// Solidity: e Message(topic indexed bytes32, crt indexed int256)
|
||||
func (_Eventer *EventerFilterer) WatchMessage(opts *bind.WatchOpts, sink chan<- *EventerMessage, topic [][32]byte, crt []*big.Int) (event.Subscription, error) {
|
||||
|
||||
var topicRule []interface{}
|
||||
for _, topicItem := range topic {
|
||||
topicRule = append(topicRule, topicItem)
|
||||
}
|
||||
var crtRule []interface{}
|
||||
for _, crtItem := range crt {
|
||||
crtRule = append(crtRule, crtItem)
|
||||
}
|
||||
|
||||
logs, sub, err := _Eventer.contract.WatchLogs(opts, "Message", topicRule, crtRule)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return event.NewSubscription(func(quit <-chan struct{}) error {
|
||||
defer sub.Unsubscribe()
|
||||
for {
|
||||
select {
|
||||
case log := <-logs:
|
||||
// New log arrived, parse the event and forward to the user
|
||||
event := new(EventerMessage)
|
||||
if err := _Eventer.contract.UnpackLog(event, "Message", log); err != nil {
|
||||
return err
|
||||
}
|
||||
event.Raw = log
|
||||
|
||||
select {
|
||||
case sink <- event:
|
||||
case err := <-sub.Err():
|
||||
return err
|
||||
case <-quit:
|
||||
return nil
|
||||
}
|
||||
case err := <-sub.Err():
|
||||
return err
|
||||
case <-quit:
|
||||
return nil
|
||||
}
|
||||
}
|
||||
}), nil
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
pragma solidity ^0.4.21;
|
||||
|
||||
contract Eventer {
|
||||
|
||||
int public crt;
|
||||
|
||||
event Message(
|
||||
bytes32 indexed topic,
|
||||
int indexed crt
|
||||
);
|
||||
|
||||
constructor() public {}
|
||||
|
||||
function emit(bytes32 topic) public {
|
||||
crt += 1;
|
||||
emit Message(topic, crt);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,79 @@
|
|||
package devtests
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/ethereum/go-ethereum/accounts/abi/bind"
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core/types"
|
||||
"github.com/status-im/status-go/t/devtests/eventer"
|
||||
"github.com/status-im/status-go/t/utils"
|
||||
"github.com/stretchr/testify/suite"
|
||||
)
|
||||
|
||||
func TestLogsSuite(t *testing.T) {
|
||||
suite.Run(t, new(LogsSuite))
|
||||
}
|
||||
|
||||
type LogsSuite struct {
|
||||
DevNodeSuite
|
||||
}
|
||||
|
||||
func (s *LogsSuite) testEmit(event *eventer.Eventer, opts *bind.TransactOpts, id string, topic [32]byte, expect int) {
|
||||
tx, err := event.Emit(opts, topic)
|
||||
s.NoError(err)
|
||||
timeout, cancel := context.WithTimeout(context.Background(), 5*time.Second)
|
||||
defer cancel()
|
||||
_, err = bind.WaitMined(timeout, s.Eth, tx)
|
||||
s.NoError(err)
|
||||
|
||||
s.NoError(utils.Eventually(func() error {
|
||||
var logs []types.Log
|
||||
err := s.Local.Call(&logs, "eth_getFilterChanges", id)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if len(logs) == 0 {
|
||||
return errors.New("no logs")
|
||||
}
|
||||
if len(logs) > expect {
|
||||
return errors.New("more logs than expected")
|
||||
}
|
||||
return nil
|
||||
}, 10*time.Second, time.Second))
|
||||
}
|
||||
|
||||
func (s *LogsSuite) TestLogsNewFilter() {
|
||||
var (
|
||||
fid, sid, tid string
|
||||
ftopic, stopic = [32]byte{1}, [32]byte{2}
|
||||
)
|
||||
s.Require().NoError(s.Local.Call(&fid, "eth_newFilter", map[string]interface{}{
|
||||
"topics": [][]common.Hash{
|
||||
{},
|
||||
{common.BytesToHash(ftopic[:])},
|
||||
},
|
||||
}))
|
||||
s.Require().NoError(s.Local.Call(&sid, "eth_newFilter", map[string]interface{}{
|
||||
"topics": [][]common.Hash{
|
||||
{},
|
||||
{common.BytesToHash(stopic[:])},
|
||||
},
|
||||
}))
|
||||
s.Require().NoError(s.Local.Call(&tid, "eth_newFilter", map[string]interface{}{}))
|
||||
|
||||
opts := bind.NewKeyedTransactor(s.DevAccount)
|
||||
_, tx, event, err := eventer.DeployEventer(opts, s.Eth)
|
||||
s.Require().NoError(err)
|
||||
timeout, cancel := context.WithTimeout(context.Background(), 5*time.Second)
|
||||
defer cancel()
|
||||
addr, err := bind.WaitDeployed(timeout, s.Eth, tx)
|
||||
s.Require().NoError(err)
|
||||
s.Require().NotEmpty(addr)
|
||||
s.testEmit(event, opts, fid, ftopic, 1)
|
||||
s.testEmit(event, opts, sid, stopic, 1)
|
||||
s.testEmit(event, opts, fid, ftopic, 1)
|
||||
}
|
||||
|
|
@ -414,3 +414,22 @@ func copyFile(src, dst string) error {
|
|||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Eventually will raise error if condition won't be met during the given timeout.
|
||||
func Eventually(f func() error, timeout, period time.Duration) (err error) {
|
||||
timer := time.NewTimer(timeout)
|
||||
defer timer.Stop()
|
||||
ticker := time.NewTicker(period)
|
||||
defer ticker.Stop()
|
||||
for {
|
||||
select {
|
||||
case <-timer.C:
|
||||
return
|
||||
case <-ticker.C:
|
||||
err = f()
|
||||
if err == nil {
|
||||
return nil
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue