From 52c25bd00785df5d61846bf98ab8517520201811 Mon Sep 17 00:00:00 2001
From: Eric Scrivner <escrivner@coinbase.com>
Date: Thu, 24 Mar 2016 17:56:27 -0700
Subject: [PATCH] bugfix: Handle Solidity Compilation Errors

* Catch and raise a CompilationError whenever compiling a Solidity file fails.
---
 lib/ethereum/initializer.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/ethereum/initializer.rb b/lib/ethereum/initializer.rb
index bb0da4b..9c6ae69 100644
--- a/lib/ethereum/initializer.rb
+++ b/lib/ethereum/initializer.rb
@@ -3,10 +3,18 @@ module Ethereum
   class Initializer
     attr_accessor :contracts, :file, :client
 
+    # Raised whenever there is an issue compiling the Solidity file.
+    class CompilationError < StandardError; end
+
     def initialize(file, client = Ethereum::IpcClient.new)
       @file = File.read(file)
       @client = client
       sol_output = @client.compile_solidity(@file)
+
+      if sol_output.has_key?('error')
+        raise CompilationError, sol_output['error']['message']
+      end
+
       contracts = sol_output["result"].keys
       @contracts = []
       contracts.each do |contract|