From 902129d63957316b1da3ac5db4e2b36e1c9a1a17 Mon Sep 17 00:00:00 2001
From: Teemu Patja <tp@iki.fi>
Date: Thu, 17 Aug 2017 14:52:38 +0300
Subject: [PATCH] Utility function for computing topic-id

* added utility function for computing topic ID hex-string from event signature
---
 src/clj/commiteth/eth/core.clj | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/clj/commiteth/eth/core.clj b/src/clj/commiteth/eth/core.clj
index 254e2fd..e376a08 100644
--- a/src/clj/commiteth/eth/core.clj
+++ b/src/clj/commiteth/eth/core.clj
@@ -142,6 +142,10 @@
   (let [s (apply str (take 8 (sha3 signature)))]
     (str "0x" s)))
 
+(defn event-sig->topic-id [signature]
+  (let [s (sha3 signature)]
+    (str "0x" s)))
+
 (defn valid-address?
   "Validate given ethereum address. Checksum validation is performed
   and input is case-sensitive"