fixes related to stint breaking changes

eth/common/eth_types_rlp.nim

@@ -34,6 +34,15 @@ proc read*(rlp: var Rlp, T: type StUint): T {.inline.} =
 
   rlp.skipElem
 
+func significantBytesBE(val: openArray[byte]): int =
+  ## Returns the number of significant trailing bytes in a big endian
+  ## representation of a number.
+  # TODO: move that in https://github.com/status-im/nim-byteutils
+  for i in 0 ..< val.len:
+    if val[i] != 0:
+      return val.len - i
+  return 1
+
 proc append*(rlpWriter: var RlpWriter, value: StUint) =
   if value > 128:
     let bytes = value.toByteArrayBE

eth/p2p/discoveryv5/encoding.nim

@@ -16,7 +16,7 @@
 import
   std/[tables, options, hashes, net],
   nimcrypto/[bcmode, rijndael, sha2], stint, chronicles,
-  stew/[results, byteutils], metrics,
+  stew/[results, byteutils, endians2], metrics,
   ".."/../[rlp, keys],
   "."/[messages_encoding, node, enr, hkdf, sessions]
 

eth/p2p/discoveryv5/routing_table.nim

@@ -11,7 +11,7 @@ import
   std/[algorithm, times, sequtils, bitops, sets, options],
   bearssl/rand,
   stint, chronicles, metrics, chronos, stew/shims/net as stewNet,
-  ../../net/utils,
+  ../../net/utils, stew/endians2,
   "."/[node, random2, enr]
 
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