mirror of https://github.com/status-im/go-waku.git
57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
package library
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import (
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"context"
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"time"
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"github.com/waku-org/go-waku/waku/v2/protocol/pb"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/libp2p/go-libp2p/core/peer"
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"github.com/waku-org/go-waku/waku/v2/protocol/lightpush"
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)
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func lightpushPublish(msg *pb.WakuMessage, pubsubTopic string, peerID string, ms int) (string, error) {
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if wakuState.node == nil {
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return "", errWakuNodeNotReady
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}
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var ctx context.Context
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var cancel context.CancelFunc
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if ms > 0 {
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ctx, cancel = context.WithTimeout(context.Background(), time.Duration(int(ms))*time.Millisecond)
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defer cancel()
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} else {
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ctx = context.Background()
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}
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var lpOptions []lightpush.Option
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if peerID != "" {
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p, err := peer.Decode(peerID)
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if err != nil {
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return "", err
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}
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lpOptions = append(lpOptions, lightpush.WithPeer(p))
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} else {
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lpOptions = append(lpOptions, lightpush.WithAutomaticPeerSelection())
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}
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if pubsubTopic != "" {
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lpOptions = append(lpOptions, lightpush.WithPubSubTopic(pubsubTopic))
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}
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hash, err := wakuState.node.Lightpush().PublishToTopic(ctx, msg, lpOptions...)
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return hexutil.Encode(hash), err
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}
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// LightpushPublish is used to publish a WakuMessage in a pubsub topic using Lightpush protocol
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func LightpushPublish(messageJSON string, pubsubTopic string, peerID string, ms int) (string, error) {
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msg, err := wakuMessage(messageJSON)
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if err != nil {
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return "", err
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}
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return lightpushPublish(msg, getTopic(pubsubTopic), peerID, ms)
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}
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