add blockhash test fo vm tests

test/TestHelper.cpp

@@ -489,4 +489,12 @@ void processCommandLineOptions()
 	}
 }
 
+LastHashes lastHashes(u256 _currentBlockNumber)
+{
+	LastHashes ret;
+	for (u256 i = 1; i <= 256 && i <= _currentBlockNumber; ++i)
+		ret.push_back(sha3(toString(_currentBlockNumber - i)));
+	return ret;
+}
+
 } } // namespaces

test/TestHelper.h

@@ -77,6 +77,7 @@ void executeTests(const std::string& _name, const std::string& _testPathAppendix
 std::string getTestPath();
 void userDefinedTest(std::string testTypeFlag, std::function<void(json_spirit::mValue&, bool)> doTests);
 void processCommandLineOptions();
+eth::LastHashes lastHashes(u256 _currentBlockNumber);
 
 template<typename mapType>
 void checkAddresses(mapType& _expectedAddrs, mapType& _resultAddrs)

test/state.cpp

@@ -39,16 +39,6 @@ using namespace dev::eth;
 
 namespace dev {  namespace test {
 
-LastHashes lastHashes(u256 _currentBlockNumber)
-{
-	LastHashes ret;
-	for (u256 i = 1; i <= 256 && i <= _currentBlockNumber; ++i)
-		ret.push_back(sha3(toString(_currentBlockNumber - i)));
-	return ret;
-}
-
-
-
 void doStateTests(json_spirit::mValue& v, bool _fillin)
 {
 	processCommandLineOptions();

test/vm.cpp

@@ -33,7 +33,7 @@ using namespace dev::eth;
 using namespace dev::test;
 
 FakeExtVM::FakeExtVM(eth::BlockInfo const& _previousBlock, eth::BlockInfo const& _currentBlock, unsigned _depth):			/// TODO: XXX: remove the default argument & fix.
-	ExtVMFace(Address(), Address(), Address(), 0, 1, bytesConstRef(), bytes(), _previousBlock, _currentBlock, LastHashes(), _depth) {}
+	ExtVMFace(Address(), Address(), Address(), 0, 1, bytesConstRef(), bytes(), _previousBlock, _currentBlock, test::lastHashes(_currentBlock.number), _depth) {}
 
 h160 FakeExtVM::create(u256 _endowment, u256& io_gas, bytesConstRef _init, OnOpFunc const&)
 {
@@ -117,6 +117,7 @@ void FakeExtVM::importEnv(mObject& _o)
 
 	previousBlock.hash = h256(_o["previousHash"].get_str());
 	currentBlock.number = toInt(_o["currentNumber"]);
+	lastHashes = test::lastHashes(currentBlock.number);
 	currentBlock.gasLimit = toInt(_o["currentGasLimit"]);
 	currentBlock.difficulty = toInt(_o["currentDifficulty"]);
 	currentBlock.timestamp = toInt(_o["currentTimestamp"]);

test/vmBlockInfoTestFiller.json

@@ -111,6 +111,62 @@
         }
     },
 
+    "blockhashInRange": {
+        "env" : {
+        "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+        "currentNumber" : "257",
+        "currentGasLimit" : "1000000",
+        "currentDifficulty" : "256",
+        "currentTimestamp" : 1,
+        "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+        "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+            "balance" : "1000000000000000000",
+            "nonce" : 0,
+            "code" : "{ [[ 0 ]] (BLOCKHASH 1) [[ 1 ]] (BLOCKHASH 2) [[ 2 ]] (BLOCKHASH 256) }",
+            "storage": {}
+        }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "",
+            "gasPrice" : "100000000000000",
+            "gas" : "10000"
+        }
+    },
+
+    "blockhashOutOfRange": {
+        "env" : {
+        "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+        "currentNumber" : "257",
+        "currentGasLimit" : "1000000",
+        "currentDifficulty" : "256",
+        "currentTimestamp" : 1,
+        "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+        "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+            "balance" : "1000000000000000000",
+            "nonce" : 0,
+            "code" : "{ [[ 0 ]] (BLOCKHASH 0) [[ 1 ]] (BLOCKHASH 257) [[ 2 ]] (BLOCKHASH 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) }",
+            "storage": {}
+        }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "",
+            "gasPrice" : "100000000000000",
+            "gas" : "10000"
+        }
+    },
+
     "coinbase": {
         "env" : {
         "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",