mirror of
https://github.com/wealdtech/ethdo.git
synced 2026-01-09 22:18:01 -05:00
51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
// Copyright © 2019, 2020 Weald Technology Trading
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package nodeevents
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import (
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"context"
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"encoding/json"
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"fmt"
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eth2client "github.com/attestantio/go-eth2-client"
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api "github.com/attestantio/go-eth2-client/api/v1"
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"github.com/pkg/errors"
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)
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func process(ctx context.Context, data *dataIn) error {
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if data == nil {
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return errors.New("no data")
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}
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err := data.eth2Client.(eth2client.EventsProvider).Events(ctx, data.topics, eventHandler)
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if err != nil {
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return errors.Wrap(err, "failed to connect for events")
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}
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<-ctx.Done()
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return nil
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}
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func eventHandler(event *api.Event) {
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if event.Data == nil {
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return
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}
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data, err := json.Marshal(event)
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if err == nil {
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fmt.Println(string(data))
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}
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}
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