diff --git a/contractabi/debug.nim b/contractabi/debug.nim
new file mode 100644
index 0000000..a6d340f
--- /dev/null
+++ b/contractabi/debug.nim
@@ -0,0 +1,7 @@
+import std/sequtils
+import pkg/stew/byteutils
+import ./encoding
+
+func debugEcho*(_: type AbiEncoder, encoding: seq[byte]) =
+  for line in encoding.distribute(encoding.len div 32):
+    debugEcho "0x", line.toHex