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fix poller not restarting after indexer mode changes #230

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merged 1 commit into from
Jun 27, 2025
Merged

fix poller not restarting after indexer mode changes #230

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54 changes: 41 additions & 13 deletions internal/orchestrator/poller.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,15 +20,18 @@ const DEFAULT_BLOCKS_PER_POLL = 10
const DEFAULT_TRIGGER_INTERVAL = 1000

type Poller struct {
rpc rpc.IRPCClient
blocksPerPoll int64
triggerIntervalMs int64
storage storage.IStorage
lastPolledBlock *big.Int
pollFromBlock *big.Int
pollUntilBlock *big.Int
parallelPollers int
workModeChan chan WorkMode
rpc rpc.IRPCClient
blocksPerPoll int64
triggerIntervalMs int64
storage storage.IStorage
lastPolledBlock *big.Int
lastPolledBlockMutex sync.RWMutex
pollFromBlock *big.Int
pollUntilBlock *big.Int
parallelPollers int
workModeChan chan WorkMode
currentWorkMode WorkMode
workModeMutex sync.RWMutex
}

type BlockNumberWithError struct {
Expand Down Expand Up @@ -117,6 +120,15 @@ func (p *Poller) Start(ctx context.Context) {
if !ok {
return
}

// Do not poll if not in backfill mode
p.workModeMutex.RLock()
if p.currentWorkMode != WorkModeBackfill {
p.workModeMutex.RUnlock()
continue
}
p.workModeMutex.RUnlock()

blockRangeMutex.Lock()
blockNumbers, err := p.getNextBlockRange(pollCtx)
blockRangeMutex.Unlock()
Expand Down Expand Up @@ -149,10 +161,26 @@ func (p *Poller) Start(ctx context.Context) {
p.shutdown(cancel, tasks, &wg)
return
case workMode := <-p.workModeChan:
if workMode == WorkModeLive {
log.Info().Msg("Switching to live mode, stopping poller")
p.shutdown(cancel, tasks, &wg)
return
p.workModeMutex.RLock()
currentWorkMode := p.currentWorkMode
p.workModeMutex.RUnlock()
if workMode != currentWorkMode && workMode != "" {
log.Info().Msgf("Poller work mode changing from %s to %s", currentWorkMode, workMode)
p.workModeMutex.Lock()
changedToBackfillFromLive := currentWorkMode == WorkModeLive && workMode == WorkModeBackfill
p.currentWorkMode = workMode
p.workModeMutex.Unlock()
if changedToBackfillFromLive {
lastBlockInMainStorage, err := p.storage.MainStorage.GetMaxBlockNumber(p.rpc.GetChainID())
if err != nil {
log.Error().Err(err).Msg("Error getting last block in main storage")
} else {
p.lastPolledBlockMutex.Lock()
p.lastPolledBlock = lastBlockInMainStorage
p.lastPolledBlockMutex.Unlock()
log.Debug().Msgf("Switching to backfill mode, updating last polled block to %s", p.lastPolledBlock.String())
}
}
}
case <-ticker.C:
select {
Expand Down