From 4126edf89fb8f4ba705593e101e0289b5809592c Mon Sep 17 00:00:00 2001
From: Mark Spanbroek <mark@spanbroek.net>
Date: Tue, 30 Nov 2021 16:23:24 +0100
Subject: [PATCH] Decode strings

---
 contractabi/decoding.nim           | 4 ++++
 tests/contractabi/testDecoding.nim | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/contractabi/decoding.nim b/contractabi/decoding.nim
index 24c9228..a9d4a0e 100644
--- a/contractabi/decoding.nim
+++ b/contractabi/decoding.nim
@@ -1,5 +1,6 @@
 import pkg/stint
 import pkg/stew/endians2
+import pkg/stew/byteutils
 import pkg/upraises
 import ./encoding
 
@@ -108,6 +109,9 @@ func read*[I,T](decoder: var AbiDecoder, _: type array[I,T]): array[I,T] =
     result[i] = decoder.read(T)
   decoder.finishTuple()
 
+func read*(decoder: var AbiDecoder, T: type string): T =
+  string.fromBytes(decoder.read(seq[byte]))
+
 func decode*(_: type AbiDecoder, bytes: seq[byte], T: type): T =
   var decoder = AbiDecoder.init(bytes)
   result = decoder.read(T)
diff --git a/tests/contractabi/testDecoding.nim b/tests/contractabi/testDecoding.nim
index 01bd55b..c1272b6 100644
--- a/tests/contractabi/testDecoding.nim
+++ b/tests/contractabi/testDecoding.nim
@@ -195,3 +195,5 @@ suite "ABI decoding":
   test "decodes arrays with dynamic elements":
     checkDecode([seq[byte].example, seq[byte].example])
 
+  test "decodes strings":
+    checkDecode("hello!☺")