From 11a2329bf26331221a5c517c3fab6f57b9986a6e Mon Sep 17 00:00:00 2001
From: Mark Spanbroek <mark@spanbroek.net>
Date: Tue, 9 Mar 2021 16:50:08 +0100
Subject: [PATCH] Print EthAddress as hex, add zero address

---
 nitro/ethaddress.nim | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/nitro/ethaddress.nim b/nitro/ethaddress.nim
index 8a17709..7a099a5 100644
--- a/nitro/ethaddress.nim
+++ b/nitro/ethaddress.nim
@@ -5,9 +5,15 @@ export questionable
 
 type EthAddress* = distinct array[20, byte]
 
+proc zero*(_: type EthAddress): EthAddress =
+  EthAddress.default
+
 proc toArray*(address: EthAddress): array[20, byte] =
   array[20, byte](address)
 
+proc `$`*(a: EthAddress): string =
+  a.toArray().toHex()
+
 proc parse*(_: type EthAddress, hex: string): ?EthAddress =
   EthAddress(array[20, byte].fromHex(hex)).catch.toOption