58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
package consumer
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import (
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"context"
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"github.com/wormhole-foundation/wormhole-explorer/analytics/metric"
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"github.com/wormhole-foundation/wormhole-explorer/analytics/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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consume queue.VAAConsumeFunc
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pushMetric metric.MetricPushFunc
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logger *zap.Logger
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p2pNetwork string
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}
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// New creates a new vaa consumer.
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func New(consume queue.VAAConsumeFunc, pushMetric metric.MetricPushFunc, logger *zap.Logger, p2pNetwork string) *Consumer {
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return &Consumer{consume: consume, pushMetric: pushMetric, logger: logger, p2pNetwork: p2pNetwork}
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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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go func() {
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for msg := range c.consume(ctx) {
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event := msg.Data()
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// check id message is expired.
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if msg.IsExpired() {
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c.logger.Warn("Message with vaa expired", zap.String("id", event.ID))
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msg.Failed()
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continue
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}
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// unmarshal vaa.
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vaa, err := sdk.Unmarshal(event.Vaa)
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if err != nil {
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c.logger.Error("Invalid vaa", zap.String("id", event.ID), zap.Error(err))
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msg.Failed()
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continue
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}
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// push vaa metrics.
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err = c.pushMetric(ctx, vaa)
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if err != nil {
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msg.Failed()
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continue
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}
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msg.Done()
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c.logger.Debug("Pushed vaa metric", zap.String("id", event.ID))
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}
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}()
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}
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