From f7d6554ad6009b30d5d55105bbe8b9b0f9497db6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Bylica?= <pawel.bylica@imapp.pl>
Date: Fri, 14 Nov 2014 15:06:38 +0100
Subject: [PATCH] Move mock of ExtVMFace to evmcc tool

---
 evmcc/evmcc.cpp               | 20 +++++++++++++++++++-
 libevmjit/ExecutionEngine.cpp | 24 ++----------------------
 libevmjit/ExecutionEngine.h   |  2 +-
 libevmjit/VM.cpp              |  2 +-
 4 files changed, 23 insertions(+), 25 deletions(-)

diff --git a/evmcc/evmcc.cpp b/evmcc/evmcc.cpp
index f8e2b12f0..16ab23e9b 100644
--- a/evmcc/evmcc.cpp
+++ b/evmcc/evmcc.cpp
@@ -15,6 +15,7 @@
 #include <libdevcore/Common.h>
 #include <libdevcore/CommonIO.h>
 #include <libevmcore/Instruction.h>
+#include <libevm/ExtVMFace.h>
 #include <libevmjit/Compiler.h>
 #include <libevmjit/ExecutionEngine.h>
 
@@ -172,7 +173,24 @@ int main(int argc, char** argv)
 		{
 			auto engine = eth::jit::ExecutionEngine();
 			u256 gas = initialGas;
-			auto result = engine.run(std::move(module), gas, options.count("show-logs") > 0, nullptr);
+
+            // Create fake ExtVM interface
+            eth::ExtVMFace ext;
+            ext.myAddress = Address(1122334455667788);
+            ext.caller = Address(0xfacefacefaceface);
+            ext.origin = Address(101010101010101010);
+            ext.value = 0xabcd;
+            ext.gasPrice = 1002;
+            ext.previousBlock.hash = u256(1003);
+            ext.currentBlock.coinbaseAddress = Address(1004);
+            ext.currentBlock.timestamp = 1005;
+            ext.currentBlock.number = 1006;
+            ext.currentBlock.difficulty = 1007;
+            ext.currentBlock.gasLimit = 1008;
+            ext.data = std::string("Hello the Beautiful World of Ethereum!");
+            ext.code = { 0x0d, 0x0e, 0x0a, 0x0d, 0x0b, 0x0e, 0xe, 0xf };
+
+			auto result = engine.run(std::move(module), gas, options.count("show-logs") > 0, ext);
 			return result;
 		}
 	}
diff --git a/libevmjit/ExecutionEngine.cpp b/libevmjit/ExecutionEngine.cpp
index bdc107630..02b12d373 100644
--- a/libevmjit/ExecutionEngine.cpp
+++ b/libevmjit/ExecutionEngine.cpp
@@ -39,7 +39,7 @@ ExecutionEngine::ExecutionEngine()
 {
 }
 
-int ExecutionEngine::run(std::unique_ptr<llvm::Module> _module, u256& _gas, bool _outputLogs, ExtVMFace* _ext)
+int ExecutionEngine::run(std::unique_ptr<llvm::Module> _module, u256& _gas, bool _outputLogs, ExtVMFace& _ext)
 {
 	auto module = _module.get(); // Keep ownership of the module in _module
 
@@ -82,33 +82,13 @@ int ExecutionEngine::run(std::unique_ptr<llvm::Module> _module, u256& _gas, bool
 	clog(JIT) << "Module finalization time: "
 			  << std::chrono::duration_cast<std::chrono::microseconds>(finalizationEndTime - finalizationStartTime).count();
 
-	// Create fake ExtVM interface
-	if (!_ext)
-	{
-		_ext = new ExtVMFace;
-		_ext->myAddress = Address(1122334455667788);
-		_ext->caller = Address(0xfacefacefaceface);
-		_ext->origin = Address(101010101010101010);
-		_ext->value = 0xabcd;
-		_ext->gasPrice = 1002;
-		_ext->previousBlock.hash = u256(1003);
-		_ext->currentBlock.coinbaseAddress = Address(1004);
-		_ext->currentBlock.timestamp = 1005;
-		_ext->currentBlock.number = 1006;
-		_ext->currentBlock.difficulty = 1007;
-		_ext->currentBlock.gasLimit = 1008;
-		std::string calldata = "Hello the Beautiful World of Ethereum!";
-		_ext->data = calldata;
-        _ext->code = { 0x0d, 0x0e, 0x0a, 0x0d, 0x0b, 0x0e, 0xe, 0xf };
-	}
-
 	auto entryFunc = module->getFunction("main");
 	if (!entryFunc)
 		BOOST_THROW_EXCEPTION(Exception() << errinfo_comment("main function not found"));
 
 	ReturnCode returnCode;
 	std::jmp_buf buf;
-	Runtime runtime(_gas, *_ext, buf, _outputLogs);
+	Runtime runtime(_gas, _ext, buf, _outputLogs);
 	auto r = setjmp(buf);
 	if (r == 0)
 	{
diff --git a/libevmjit/ExecutionEngine.h b/libevmjit/ExecutionEngine.h
index c47562981..8cf1ec746 100644
--- a/libevmjit/ExecutionEngine.h
+++ b/libevmjit/ExecutionEngine.h
@@ -18,7 +18,7 @@ class ExecutionEngine
 public:
 	ExecutionEngine();
 
-	int run(std::unique_ptr<llvm::Module> module, u256& _gas, bool _outputLogs, ExtVMFace* _ext);
+	int run(std::unique_ptr<llvm::Module> module, u256& _gas, bool _outputLogs, ExtVMFace& _ext);
 
 	bytes returnData;
 };
diff --git a/libevmjit/VM.cpp b/libevmjit/VM.cpp
index e19156d6e..9b60fccf1 100644
--- a/libevmjit/VM.cpp
+++ b/libevmjit/VM.cpp
@@ -20,7 +20,7 @@ bytesConstRef VM::go(ExtVMFace& _ext, OnOpFunc const&, uint64_t)
 	auto module = Compiler(defaultOptions).compile(_ext.code);
 
 	ExecutionEngine engine;
-	auto exitCode = engine.run(std::move(module), m_gas, false, &_ext);
+	auto exitCode = engine.run(std::move(module), m_gas, false, _ext);
 
 	switch (static_cast<ReturnCode>(exitCode))
 	{