diff --git a/.gitignore b/.gitignore
index 9eaaf60..0314fb6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@ vendor/*
 NimBinaries
 .update.timestamp
 *.dSYM
+*.vscode/*
diff --git a/codexdht/private/eth/p2p/discoveryv5/encoding.nim b/codexdht/private/eth/p2p/discoveryv5/encoding.nim
index 9bb5043..1743559 100644
--- a/codexdht/private/eth/p2p/discoveryv5/encoding.nim
+++ b/codexdht/private/eth/p2p/discoveryv5/encoding.nim
@@ -15,6 +15,7 @@
 
 import
   std/[hashes, net, options, sugar, tables],
+  stew/endians2,
   bearssl/rand,
   chronicles,
   stew/[results, byteutils],
@@ -200,7 +201,7 @@ proc hasHandshake*(c: Codec, key: HandshakeKey): bool =
 proc encodeStaticHeader*(flag: Flag, nonce: AESGCMNonce, authSize: int):
     seq[byte] =
   result.add(protocolId)
-  result.add(version.toBytesBE())
+  result.add(endians2.toBytesBE(version))
   result.add(byte(flag))
   result.add(nonce)
   # TODO: assert on authSize of > 2^16?
diff --git a/codexdht/private/eth/p2p/discoveryv5/messages_encoding.nim b/codexdht/private/eth/p2p/discoveryv5/messages_encoding.nim
index 6de6596..707c325 100644
--- a/codexdht/private/eth/p2p/discoveryv5/messages_encoding.nim
+++ b/codexdht/private/eth/p2p/discoveryv5/messages_encoding.nim
@@ -11,6 +11,7 @@
 import
   std/net,
   chronicles,
+  stew/endians2,
   libp2p/routing_record,
   libp2p/signed_envelope,
   "."/[messages, spr, node],
@@ -98,7 +99,7 @@ proc getField*(pb: ProtoBuffer, field: int,
   if not(res):
     ok(false)
   else:
-    family = uint8.fromBytesBE(buffer).IpAddressFamily
+    family = endians2.fromBytesBE(uint8, buffer).IpAddressFamily
     ok(true)
 
 proc write*(pb: var ProtoBuffer, field: int, family: IpAddressFamily) =
diff --git a/codexdht/private/eth/p2p/discoveryv5/protocol.nim b/codexdht/private/eth/p2p/discoveryv5/protocol.nim
index aee006c..c3f0672 100644
--- a/codexdht/private/eth/p2p/discoveryv5/protocol.nim
+++ b/codexdht/private/eth/p2p/discoveryv5/protocol.nim
@@ -369,7 +369,7 @@ proc handleTalkReq(d: Protocol, fromId: NodeId, fromAddr: Address,
 
 proc addProviderLocal(p: Protocol, cId: NodeId, prov: SignedPeerRecord) {.async.} =
   trace "adding provider to local db", n = p.localNode, cId, prov
-  if (let res = (await p.providers.add(cid, prov)); res.isErr):
+  if (let res = (await p.providers.add(cId, prov)); res.isErr):
     trace "Unable to add provider", cid, peerId = prov.data.peerId
 
 proc handleAddProvider(
diff --git a/codexdht/private/eth/p2p/discoveryv5/providers/maintenance.nim b/codexdht/private/eth/p2p/discoveryv5/providers/maintenance.nim
index 713029e..61c9e26 100644
--- a/codexdht/private/eth/p2p/discoveryv5/providers/maintenance.nim
+++ b/codexdht/private/eth/p2p/discoveryv5/providers/maintenance.nim
@@ -10,6 +10,7 @@
 import std/options
 import std/sequtils
 
+import pkg/stew/endians2
 import pkg/chronos
 import pkg/libp2p
 import pkg/datastore
diff --git a/codexdht/private/eth/p2p/discoveryv5/providers/manager.nim b/codexdht/private/eth/p2p/discoveryv5/providers/manager.nim
index 60ea57b..e4e6a7d 100644
--- a/codexdht/private/eth/p2p/discoveryv5/providers/manager.nim
+++ b/codexdht/private/eth/p2p/discoveryv5/providers/manager.nim
@@ -8,6 +8,7 @@
 import std/sequtils
 import std/strutils
 
+import pkg/stew/endians2
 import pkg/datastore
 import pkg/chronos
 import pkg/libp2p
@@ -79,7 +80,7 @@ proc add*(
       else:
         Moment.fromNow(self.ttl) - ZeroMoment
 
-    ttl = expires.microseconds.uint64.toBytesBE
+    ttl = endians2.toBytesBE(expires.microseconds.uint64)
 
     bytes: seq[byte] =
       if existing =? (await self.getProvByKey(provKey)) and
diff --git a/tests/dht/test_providers.nim b/tests/dht/test_providers.nim
index 1cc1154..de2b884 100644
--- a/tests/dht/test_providers.nim
+++ b/tests/dht/test_providers.nim
@@ -59,7 +59,7 @@ proc bootstrapNetwork(
   #waitFor bootNode.bootstrap()  # immediate, since no bootnodes are defined above
 
   var res = await bootstrapNodes(nodecount - 1,
-                           @[bootnode.localNode.record],
+                           @[bootNode.localNode.record],
                            rng,
                            delay)
   res.insert((bootNode, bootNodeKey), 0)