waku-org/go-waku

//go:build !gowaku_no_rln
// +build !gowaku_no_rln

package server

import (
    "fmt"

    "github.com/waku-org/go-waku/waku/v2/node"
    "github.com/waku-org/go-waku/waku/v2/protocol/pb"
    "github.com/waku-org/go-waku/waku/v2/protocol/rln"
)

func AppendRLNProof(node *node.WakuNode, msg *pb.WakuMessage) error {
    _, rlnEnabled := node.RLNRelay().(*rln.WakuRLNRelay)
    if rlnEnabled {
        err := node.RLNRelay().AppendRLNProof(msg, node.Timesource().Now())
        if err != nil {
            return fmt.Errorf("could not append rln proof: %w", err)
        }
    }
    return nil
}