mirror of
https://github.com/grassrootseconomics/cic-chain-events.git
synced 2024-10-31 23:46:47 +01:00
parent
8085168ed3
commit
4fcc088784
@ -5,7 +5,7 @@ go_process = true
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# API server
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# API server
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[service]
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[service]
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# Host and port
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# Host and port
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address = ":5000"
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address = ":5001"
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# Geth API endpoints
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# Geth API endpoints
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[chain]
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[chain]
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@ -7,12 +7,14 @@ import (
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"github.com/alitto/pond"
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"github.com/alitto/pond"
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"github.com/celo-org/celo-blockchain/core/types"
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"github.com/celo-org/celo-blockchain/core/types"
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"github.com/celo-org/celo-blockchain/ethclient"
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"github.com/celo-org/celo-blockchain/ethclient"
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"github.com/celo-org/celo-blockchain/event"
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"github.com/grassrootseconomics/cic-chain-events/internal/pipeline"
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"github.com/grassrootseconomics/cic-chain-events/internal/pipeline"
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"github.com/zerodha/logf"
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"github.com/zerodha/logf"
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)
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)
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const (
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const (
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jobTimeout = 5 * time.Second
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jobTimeout = 5 * time.Second
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resubscribeBackoff = 2 * time.Second
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)
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)
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type (
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type (
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@ -53,10 +55,13 @@ func NewHeadSyncer(o HeadSyncerOpts) (*HeadSyncer, error) {
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func (hs *HeadSyncer) Start(ctx context.Context) error {
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func (hs *HeadSyncer) Start(ctx context.Context) error {
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headerReceiver := make(chan *types.Header, 1)
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headerReceiver := make(chan *types.Header, 1)
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sub, err := hs.ethClient.SubscribeNewHead(context.Background(), headerReceiver)
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sub := event.ResubscribeErr(resubscribeBackoff, func(ctx context.Context, err error) (event.Subscription, error) {
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if err != nil {
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if err != nil {
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return err
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hs.logg.Error("head syncer: resubscribe error", "error", err)
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}
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}
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return hs.ethClient.SubscribeNewHead(ctx, headerReceiver)
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})
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defer sub.Unsubscribe()
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defer sub.Unsubscribe()
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for {
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for {
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@ -64,8 +69,6 @@ func (hs *HeadSyncer) Start(ctx context.Context) error {
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case <-ctx.Done():
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case <-ctx.Done():
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hs.logg.Info("head syncer: shutdown signal received")
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hs.logg.Info("head syncer: shutdown signal received")
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return nil
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return nil
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case err := <-sub.Err():
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return err
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case header := <-headerReceiver:
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case header := <-headerReceiver:
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blockNumber := header.Number.Uint64()
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blockNumber := header.Number.Uint64()
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hs.logg.Debug("head syncer: received new block", "block", blockNumber)
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hs.logg.Debug("head syncer: received new block", "block", blockNumber)
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@ -75,7 +78,7 @@ func (hs *HeadSyncer) Start(ctx context.Context) error {
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defer cancel()
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defer cancel()
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if err := hs.pipeline.Run(ctx, blockNumber); err != nil {
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if err := hs.pipeline.Run(ctx, blockNumber); err != nil {
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hs.logg.Error("head syncer: piepline run error", "error", err)
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hs.logg.Error("head syncer: pipeline run error", "error", err)
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}
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}
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})
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})
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}
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}
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