waku-org/go-waku

package protocol

import (
    "strings"

    "github.com/libp2p/go-libp2p/core/protocol"
)

const GossipSubDMin = 4

// FulltextMatch is the default matching function used for checking if a peer
// supports a protocol or not
func FulltextMatch(expectedProtocol string) func(string) bool {
    return func(receivedProtocol string) bool {
        return receivedProtocol == expectedProtocol
    }
}

// PrefixTextMatch is a matching function used for checking if a peer's
// supported protocols begin with a particular prefix
func PrefixTextMatch(prefix string) func(protocol.ID) bool {
    return func(receivedProtocol protocol.ID) bool {
        return strings.HasPrefix(string(receivedProtocol), prefix)
    }
}