Add PeerID method to did

did/peer.go

@@ -0,0 +1,22 @@
+package did
+
+import (
+	"github.com/ipfs/go-cid"
+	"github.com/libp2p/go-libp2p/core/peer"
+	"github.com/multiformats/go-multibase"
+	log "github.com/sirupsen/logrus"
+)
+
+func (d *DID) PeerID() (peer.ID, error) {
+	_, decodedBytes, err := multibase.Decode(d.Identifier)
+	if err != nil {
+		log.Debugf("(Failed to decode DID %s: %v", d.Identifier, err)
+		return "", err
+	}
+
+	c, err := cid.Cast(decodedBytes)
+	if err != nil {
+		return "", err
+	}
+	return peer.FromCid(c)
+}

did/utils.go

@@ -76,7 +76,7 @@ func getFragment(did string) string {
 }
 
 // Get the identifier from the DID string
-// The prefix is not required, ut'll just be stripped off.
+// The prefix is not required, it'll just be stripped off.
 func getIdentifier(did string) string {
 
 	didName := strings.TrimPrefix(did, ma.DID_PREFIX)

go.mod

@@ -10,6 +10,7 @@ require (
 	github.com/ipfs/go-cid v0.4.1
 	github.com/ipfs/go-ipld-cbor v0.1.0
 	github.com/ipfs/kubo v0.26.0
+	github.com/libp2p/go-libp2p v0.32.2
 	github.com/libp2p/go-libp2p-pubsub v0.10.0
 	github.com/matoous/go-nanoid/v2 v2.0.0
 	github.com/multiformats/go-multiaddr v0.12.2
@@ -60,7 +61,6 @@ require (
 	github.com/klauspost/cpuid/v2 v2.2.6 // indirect
 	github.com/libp2p/go-buffer-pool v0.1.0 // indirect
 	github.com/libp2p/go-cidranger v1.1.0 // indirect
-	github.com/libp2p/go-libp2p v0.32.2 // indirect
 	github.com/libp2p/go-libp2p-asn-util v0.4.1 // indirect
 	github.com/libp2p/go-libp2p-kad-dht v0.24.4 // indirect
 	github.com/libp2p/go-libp2p-kbucket v0.6.3 // indirect