5733c71c50
We were ignoring quite a few error cases, and had one case where we weren't actually updating state where we wanted to. Unfortunately, if the linter doesn't pass, nobody has any reason to actually check lint failures in CI. There are three remaining XXXs marked in the code for lint.
61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
package scheduler
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import (
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"context"
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"database/sql"
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"time"
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logging "github.com/ipfs/go-log/v2"
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"golang.org/x/xerrors"
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)
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var log = logging.Logger("scheduler")
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// Scheduler manages the execution of jobs triggered
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// by tickers. Not externally configurable at runtime.
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type Scheduler struct {
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db *sql.DB
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}
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// PrepareScheduler returns a ready-to-run Scheduler
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func PrepareScheduler(db *sql.DB) *Scheduler {
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return &Scheduler{db}
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}
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func (s *Scheduler) setupSchema(ctx context.Context) error {
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if err := setupTopMinerByBaseRewardSchema(ctx, s.db); err != nil {
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return xerrors.Errorf("setup top miners by reward schema: %w", err)
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}
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return nil
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}
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// Start the scheduler jobs at the defined intervals
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func (s *Scheduler) Start(ctx context.Context) {
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log.Debug("Starting Scheduler")
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if err := s.setupSchema(ctx); err != nil {
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log.Fatalw("applying scheduling schema", "error", err)
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}
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go func() {
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// run once on start after schema has initialized
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time.Sleep(5 * time.Second)
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if err := refreshTopMinerByBaseReward(ctx, s.db); err != nil {
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log.Errorw("failed to refresh top miner", "error", err)
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}
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refreshTopMinerCh := time.NewTicker(30 * time.Second)
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defer refreshTopMinerCh.Stop()
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for {
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select {
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case <-refreshTopMinerCh.C:
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if err := refreshTopMinerByBaseReward(ctx, s.db); err != nil {
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log.Errorw("failed to refresh top miner", "error", err)
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}
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case <-ctx.Done():
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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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