50 lines
1.7 KiB
Go
50 lines
1.7 KiB
Go
// VulcanizeDB
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// Copyright © 2022 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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// This file will call all the functions to start and stop capturing the head of the beacon chain.
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package beaconclient
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import (
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"context"
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log "github.com/sirupsen/logrus"
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)
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// This function will perform all the heavy lifting for tracking the head of the chain.
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func (bc *BeaconClient) CaptureHead(ctx context.Context, maxHeadWorkers int, skipSee bool) {
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log.Info("We are tracking the head of the chain.")
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go bc.handleHead(ctx, maxHeadWorkers)
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go bc.handleReorg(ctx)
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bc.captureEventTopic(ctx, skipSee)
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}
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// Stop the head tracking service.
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func (bc *BeaconClient) StopHeadTracking(ctx context.Context, skipSee bool) {
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select {
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case <-ctx.Done():
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if !skipSee {
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bc.HeadTracking.SseClient.Unsubscribe(bc.HeadTracking.MessagesCh)
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bc.ReOrgTracking.SseClient.Unsubscribe(bc.ReOrgTracking.MessagesCh)
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log.Info("Successfully unsubscribed to SSE client")
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close(bc.ReOrgTracking.MessagesCh)
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close(bc.HeadTracking.MessagesCh)
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}
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log.Info("Successfully stopped the head tracking service.")
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default:
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log.Error("The context has not completed....")
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}
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}
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