79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
package processor
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import (
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"context"
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"github.com/wormhole-foundation/wormhole-explorer/fly/queue"
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"github.com/wormhole-foundation/wormhole-explorer/fly/storage"
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"github.com/wormhole-foundation/wormhole/sdk/vaa"
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"go.uber.org/zap"
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)
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// VAAQueueConsumeFunc is a function to obtain messages from a queue
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type VAAQueueConsumeFunc func(context.Context) <-chan *queue.Message
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// VAAQueueConsumer represents a VAA queue consumer.
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type VAAQueueConsumer struct {
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consume VAAQueueConsumeFunc
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repository *storage.Repository
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notifyFunc VAANotifyFunc
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logger *zap.Logger
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}
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// NewVAAQueueConsumer creates a new VAA queue consumer instances.
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func NewVAAQueueConsumer(
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consume VAAQueueConsumeFunc,
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repository *storage.Repository,
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notifyFunc VAANotifyFunc,
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logger *zap.Logger) *VAAQueueConsumer {
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return &VAAQueueConsumer{
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consume: consume,
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repository: repository,
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notifyFunc: notifyFunc,
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logger: logger,
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}
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}
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// Start consumes messages from VAA queue and store those messages in a repository.
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func (c *VAAQueueConsumer) Start(ctx context.Context) {
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go func() {
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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 := <-c.consume(ctx):
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v, err := vaa.Unmarshal(msg.Data)
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if err != nil {
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c.logger.Error("Error unmarshalling vaa", zap.Error(err))
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continue
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}
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if msg.IsExpired() {
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c.logger.Warn("Message with vaa expired", zap.String("id", v.MessageID()))
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continue
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}
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err = c.repository.UpsertVaa(ctx, v, msg.Data)
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if err != nil {
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c.logger.Error("Error inserting vaa in repository",
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zap.String("id", v.MessageID()),
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zap.Error(err))
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continue
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}
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err = c.notifyFunc(ctx, v, msg.Data)
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if err != nil {
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c.logger.Error("Error notifying vaa",
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zap.String("id", v.MessageID()),
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zap.Error(err))
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continue
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}
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msg.Ack()
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c.logger.Info("Vaa save in repository", zap.String("id", v.MessageID()))
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}
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}
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}()
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}
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