100 lines
2.2 KiB
Go
100 lines
2.2 KiB
Go
package consumer
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import (
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"context"
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"github.com/wormhole-foundation/wormhole-explorer/common/pool"
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"github.com/wormhole-foundation/wormhole-explorer/fly-event-processor/internal/metrics"
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"github.com/wormhole-foundation/wormhole-explorer/fly-event-processor/processor"
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"github.com/wormhole-foundation/wormhole-explorer/fly-event-processor/queue"
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sdk "github.com/wormhole-foundation/wormhole/sdk/vaa"
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"go.uber.org/zap"
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)
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// Consumer consumer struct definition.
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type Consumer struct {
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consumeFunc queue.ConsumeFunc
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processor processor.ProcessorFunc
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guardianPool *pool.Pool
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logger *zap.Logger
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metrics metrics.Metrics
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p2pNetwork string
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workersSize int
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}
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// New creates a new vaa consumer.
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func New(
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consumeFunc queue.ConsumeFunc,
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processor processor.ProcessorFunc,
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logger *zap.Logger,
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metrics metrics.Metrics,
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p2pNetwork string,
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workersSize int,
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) *Consumer {
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c := Consumer{
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consumeFunc: consumeFunc,
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processor: processor,
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logger: logger,
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metrics: metrics,
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p2pNetwork: p2pNetwork,
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workersSize: workersSize,
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}
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return &c
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}
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// Start consumes messages from VAA queue, parse and store those messages in a repository.
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func (c *Consumer) Start(ctx context.Context) {
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ch := c.consumeFunc(ctx)
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for i := 0; i < c.workersSize; i++ {
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go c.producerLoop(ctx, ch)
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}
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}
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func (c *Consumer) producerLoop(ctx context.Context, ch <-chan queue.ConsumerMessage) {
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for {
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select {
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case <-ctx.Done():
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return
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case msg := <-ch:
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c.processEvent(ctx, msg)
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}
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}
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}
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func (c *Consumer) processEvent(ctx context.Context, msg queue.ConsumerMessage) {
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event := msg.Data()
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vaaID := event.Data.VaaID
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chainID := sdk.ChainID(event.Data.ChainID)
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logger := c.logger.With(
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zap.String("trackId", event.TrackID),
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zap.String("vaaId", vaaID))
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if msg.IsExpired() {
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msg.Failed()
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logger.Debug("event is expired")
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c.metrics.IncDuplicatedVaaExpired(chainID)
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return
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}
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params := &processor.Params{
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TrackID: event.TrackID,
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VaaID: vaaID,
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ChainID: chainID,
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}
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err := c.processor(ctx, params)
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if err != nil {
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msg.Failed()
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logger.Error("error processing event", zap.Error(err))
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c.metrics.IncDuplicatedVaaFailed(chainID)
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return
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}
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msg.Done()
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logger.Debug("event processed")
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c.metrics.IncDuplicatedVaaProcessed(chainID)
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}
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