Merge remote-tracking branch 'up/develop' into param_types

Conflicts:
	mix/ClientModel.cpp
	mix/ClientModel.h
	mix/qml/StateList.qml
	mix/qml/TransactionDialog.qml
	mix/res.qrc

alethzero/MainWin.cpp

@@ -1597,7 +1597,7 @@ void Main::on_destination_currentTextChanged()
 //	updateFee();
 }
 
-static shh::Topic topicFromText(QString _s)
+static shh::FullTopic topicFromText(QString _s)
 {
 	shh::BuildTopic ret;
 	while (_s.size())
@@ -1674,7 +1674,7 @@ string const Main::getFunctionHashes(dev::solidity::CompilerStack const &_compil
 	{
 		ret += it.first.abridged();
 		ret += " :";
-		ret += it.second.getName() + "\n";
+		ret += it.second->getDeclaration().getName() + "\n";
 	}
 	return ret;
 }
@@ -2414,10 +2414,10 @@ void Main::refreshWhispers()
 		shh::Envelope const& e = w.second;
 		shh::Message m;
 		for (pair<Public, Secret> const& i: m_server->ids())
-			if (!!(m = e.open(i.second)))
+			if (!!(m = e.open(shh::FullTopic(), i.second)))
 				break;
 		if (!m)
-			m = e.open();
+			m = e.open(shh::FullTopic());
 
 		QString msg;
 		if (m.from())
@@ -2430,7 +2430,7 @@ void Main::refreshWhispers()
 		time_t ex = e.expiry();
 		QString t(ctime(&ex));
 		t.chop(1);
-		QString item = QString("[%1 - %2s] *%3 %5 %4").arg(t).arg(e.ttl()).arg(e.workProved()).arg(toString(e.topics()).c_str()).arg(msg);
+		QString item = QString("[%1 - %2s] *%3 %5 %4").arg(t).arg(e.ttl()).arg(e.workProved()).arg(toString(e.topic()).c_str()).arg(msg);
 		ui->whispers->addItem(item);
 	}
 }

libdevcore/FixedHash.h

@@ -67,6 +67,9 @@ public:
 	/// Explicitly construct, copying from a byte array.
 	explicit FixedHash(bytes const& _b) { if (_b.size() == N) memcpy(m_data.data(), _b.data(), std::min<unsigned>(_b.size(), N)); }
 
+	/// Explicitly construct, copying from a byte array.
+	explicit FixedHash(bytesConstRef _b) { if (_b.size() == N) memcpy(m_data.data(), _b.data(), std::min<unsigned>(_b.size(), N)); }
+
 	/// Explicitly construct, copying from a bytes in memory with given pointer.
 	explicit FixedHash(byte const* _bs, ConstructFromPointerType) { memcpy(m_data.data(), _bs, N); }
 

libdevcrypto/Common.cpp

@@ -80,6 +80,18 @@ bool dev::decrypt(Secret const& _k, bytesConstRef _cipher, bytes& o_plaintext)
 	return true;
 }
 
+void dev::encryptSym(Secret const& _k, bytesConstRef _plain, bytes& o_cipher)
+{
+	// TOOD: @alex @subtly do this properly.
+	encrypt(KeyPair(_k).pub(), _plain, o_cipher);
+}
+
+bool dev::decryptSym(Secret const& _k, bytesConstRef _cipher, bytes& o_plain)
+{
+	// TODO: @alex @subtly do this properly.
+	return decrypt(_k, _cipher, o_plain);
+}
+
 Public dev::recover(Signature const& _sig, h256 const& _message)
 {
 	return s_secp256k1.recover(_sig, _message.ref());

libdevcrypto/Common.h

@@ -87,6 +87,12 @@ void encrypt(Public const& _k, bytesConstRef _plain, bytes& o_cipher);
 /// Decrypts cipher using Secret key.
 bool decrypt(Secret const& _k, bytesConstRef _cipher, bytes& o_plaintext);
 
+/// Symmetric encryption.
+void encryptSym(Secret const& _k, bytesConstRef _plain, bytes& o_cipher);
+
+/// Symmetric decryption.
+bool decryptSym(Secret const& _k, bytesConstRef _cipher, bytes& o_plaintext);
+
 /// Recovers Public key from signed message hash.
 Public recover(Signature const& _sig, h256 const& _hash);
 	

libethereum/Client.cpp

@@ -226,11 +226,12 @@ void Client::uninstallWatch(unsigned _i)
 void Client::noteChanged(h256Set const& _filters)
 {
 	Guard l(m_filterLock);
+	cnote << "noteChanged(" << _filters << ")";
 	// accrue all changes left in each filter into the watches.
 	for (auto& i: m_watches)
 		if (_filters.count(i.second.id))
 		{
-//			cwatch << "!!!" << i.first << i.second.id;
+			cwatch << "!!!" << i.first << i.second.id;
 			if (m_filters.count(i.second.id))
 				i.second.changes += m_filters.at(i.second.id).changes;
 			else

libethereum/Client.h

@@ -277,17 +277,7 @@ public:
 	/// Kills the blockchain. Just for debug use.
 	void killChain();
 
-private:
-	/// Do some work. Handles blockchain maintenance and mining.
-	virtual void doWork();
-
-	virtual void doneWorking();
-
-	/// Overrides for being a mining host.
-	virtual void setupState(State& _s);
-	virtual bool turbo() const { return m_turboMining; }
-	virtual bool force() const { return m_forceMining; }
-
+protected:
 	/// Collate the changed filters for the bloom filter of the given pending transaction.
 	/// Insert any filters that are activated into @a o_changed.
 	void appendFromNewPending(TransactionReceipt const& _receipt, h256Set& io_changed);
@@ -300,6 +290,17 @@ private:
 	/// This doesn't actually make any callbacks, but incrememnts some counters in m_watches.
 	void noteChanged(h256Set const& _filters);
 
+private:
+	/// Do some work. Handles blockchain maintenance and mining.
+	virtual void doWork();
+
+	virtual void doneWorking();
+
+	/// Overrides for being a mining host.
+	virtual void setupState(State& _s);
+	virtual bool turbo() const { return m_turboMining; }
+	virtual bool force() const { return m_forceMining; }
+
 	/// Return the actual block number of the block with the given int-number (positive is the same, INT_MIN is genesis block, < 0 is negative age, thus -1 is most recently mined, 0 is pending.
 	unsigned numberOf(int _b) const;
 

libjsqrc/ethereumjs/bower.json

@@ -1,7 +1,7 @@
 {
   "name": "ethereum.js",
   "namespace": "ethereum",
-  "version": "0.0.10",
+  "version": "0.0.11",
   "description": "Ethereum Compatible JavaScript API",
   "main": ["./dist/ethereum.js", "./dist/ethereum.min.js"],
   "dependencies": {

libjsqrc/ethereumjs/example/contract.html

@@ -20,6 +20,7 @@
     // contract description, this will be autogenerated somehow
     var desc =  [{
         "name": "multiply(uint256)",
+        "type": "function",
         "inputs": [
         {
             "name": "a",

libjsqrc/ethereumjs/example/contract_with_array.html

@@ -0,0 +1,76 @@
+<!doctype>
+<html>
+
+<head>
+<script type="text/javascript" src="js/bignumber.js/bignumber.min.js"></script>
+<script type="text/javascript" src="../dist/ethereum.js"></script>
+<script type="text/javascript">
+
+    var web3 = require('web3');
+    web3.setProvider(new web3.providers.HttpSyncProvider());
+
+    // solidity source code
+    var source = "" + 
+    "contract test {\n" +
+    "   function multiply(uint[] a) returns(uint d) {\n" +
+    "       return a[0] + a[1];\n" +
+    "   }\n" +
+    "}\n";
+
+    // contract description, this will be autogenerated somehow
+    var desc =  [{
+        "name": "multiply(uint256[])",
+        "type": "function",
+        "inputs": [
+        {
+            "name": "a",
+            "type": "uint256[]"
+        }
+        ],
+        "outputs": [
+        {
+            "name": "d",
+            "type": "uint256"
+        }
+        ]
+    }];
+
+    var contract;
+
+    function createExampleContract() {
+        // hide create button
+        document.getElementById('create').style.visibility = 'hidden'; 
+        document.getElementById('source').innerText = source;
+
+        // create contract
+        var address = web3.eth.transact({code: web3.eth.solidity(source)});
+        contract = web3.eth.contract(address, desc);
+        document.getElementById('call').style.visibility = 'visible';
+    }
+
+    function callExampleContract() {
+        // this should be generated by ethereum
+        var param = parseInt(document.getElementById('value').value);
+        var param2 = parseInt(document.getElementById('value2').value);
+
+        // call the contract
+        var res = contract.call().multiply([param, param2]);
+        document.getElementById('result').innerText = res.toString(10);
+    }
+
+</script>
+</head>
+<body>
+    <h1>contract</h1>
+    <div id="source"></div> 
+    <div id='create'>
+        <button type="button" onClick="createExampleContract();">create example contract</button>
+    </div>
+    <div id='call' style='visibility: hidden;'>
+        <input type="number" id="value" onkeyup='callExampleContract()'></input>
+        <input type="number" id="value2" onkeyup='callExampleContract()'></input>
+    </div>
+    <div id="result"></div>
+</body>
+</html>
+

libjsqrc/ethereumjs/example/event.html

@@ -0,0 +1,120 @@
+<!doctype>
+<html>
+    <head>
+    <script type="text/javascript" src="js/bignumber.js/bignumber.min.js"></script>
+    <script type="text/javascript" src="../dist/ethereum.js"></script>
+    <script type="text/javascript">
+        var web3 = require('web3');
+        web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8080'));
+
+        var desc = [{
+            "type":"event",
+            "inputs": [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}],
+            "name":"Event"
+        }, {
+            "type":"event",
+            "inputs": [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}],
+            "name":"Event2"
+        }, {
+            "type":"function",
+            "inputs": [{"name":"a","type":"uint256"}],
+            "name":"foo",
+            "outputs": []
+        }];
+
+        var address = '0x01';
+
+        var contract = web3.eth.contract(address, desc); 
+
+        function test1() {
+            // "{"topic":["0x83c9849c","0xc4d76332"],"address":"0x01"}"
+            web3.eth.watch(contract).changed(function (res) {
+                
+            });
+        };
+
+        function test2() {
+            // "{"topic":["0x83c9849c"],"address":"0x01"}"
+            web3.eth.watch(contract.Event).changed(function (res) {
+                
+            });
+        };
+
+        function test3() {
+            // "{"topic":["0x83c9849c"],"address":"0x01"}"
+            contract.Event().changed(function (res) {
+                
+            });
+        };
+
+        function test4() {
+            // "{"topic":["0x83c9849c","0000000000000000000000000000000000000000000000000000000000000045"],"address":"0x01"}"
+            contract.Event({a: 69}).changed(function (res) {
+                
+            });
+        };
+
+        function test5() {
+            // "{"topic":["0x83c9849c",["0000000000000000000000000000000000000000000000000000000000000045","000000000000000000000000000000000000000000000000000000000000002a"]],"address":"0x01"}"
+            contract.Event({a: [69, 42]}).changed(function (res) {
+                
+            });
+        };
+
+        function test6() {
+            // "{"topic":["0x83c9849c","000000000000000000000000000000000000000000000000000000000000001e"],"max":100,"address":"0x01"}"
+            contract.Event({a: 30}, {max: 100}).changed(function (res) {
+                
+            });
+        };
+
+        function test7() {
+            // "{"topic":["0x83c9849c","000000000000000000000000000000000000000000000000000000000000001e"],"address":"0x01"}"
+            web3.eth.watch(contract.Event, {a: 30}).changed(function (res) {
+
+            });
+        };
+
+        function test8() {
+            // "{"topic":["0x83c9849c","000000000000000000000000000000000000000000000000000000000000001e"],"max":100,"address":"0x01"}"
+            web3.eth.watch(contract.Event, {a: 30}, {max: 100}).changed(function (res) {
+
+            });
+        };
+        
+        // not valid
+        // function testX() {
+        //    web3.eth.watch([contract.Event, contract.Event2]).changed(function (res) {
+        //    });
+        // };
+
+    </script>
+    </head>
+
+    <body>
+        <div>
+            <button type="button" onClick="test1();">test1</button>
+        </div>
+        <div>
+            <button type="button" onClick="test2();">test2</button>
+        </div>
+        <div>
+            <button type="button" onClick="test3();">test3</button>
+        </div>
+        <div>
+            <button type="button" onClick="test4();">test4</button>
+        </div>
+        <div>
+            <button type="button" onClick="test5();">test5</button>
+        </div>
+        <div>
+            <button type="button" onClick="test6();">test6</button>
+        </div>
+        <div>
+            <button type="button" onClick="test7();">test7</button>
+        </div>
+        <div>
+            <button type="button" onClick="test8();">test8</button>
+        </div>
+    </body>
+</html>

libjsqrc/ethereumjs/example/natspec_contract.html

@@ -21,6 +21,7 @@
     // contract description, this will be autogenerated somehow
     var desc =  [{
         "name": "multiply(uint256)",
+        "type": "function",
         "inputs": [
         {
             "name": "a",

libjsqrc/ethereumjs/lib/abi.js

@@ -21,175 +21,57 @@
  * @date 2014
  */
 
-// TODO: is these line is supposed to be here? 
-if (process.env.NODE_ENV !== 'build') {
-    var BigNumber = require('bignumber.js'); // jshint ignore:line
-}
-
-var web3 = require('./web3'); // jshint ignore:line
-
-BigNumber.config({ ROUNDING_MODE: BigNumber.ROUND_DOWN });
-
-var ETH_PADDING = 32;
-
-/// method signature length in bytes
-var ETH_METHOD_SIGNATURE_LENGTH = 4;
-
-/// Finds first index of array element matching pattern
-/// @param array
-/// @param callback pattern
-/// @returns index of element
-var findIndex = function (array, callback) {
-    var end = false;
-    var i = 0;
-    for (; i < array.length && !end; i++) {
-        end = callback(array[i]);
-    }
-    return end ? i - 1 : -1;
-};
-
-/// @returns a function that is used as a pattern for 'findIndex'
-var findMethodIndex = function (json, methodName) {
-    return findIndex(json, function (method) {
-        return method.name === methodName;
-    });
-};
-
-/// @returns method with given method name
-var getMethodWithName = function (json, methodName) {
-    var index = findMethodIndex(json, methodName);
-    if (index === -1) {
-        console.error('method ' + methodName + ' not found in the abi');
-        return undefined;
-    }
-    return json[index];
-};
-
-/// @param string string to be padded
-/// @param number of characters that result string should have
-/// @param sign, by default 0
-/// @returns right aligned string
-var padLeft = function (string, chars, sign) {
-    return new Array(chars - string.length + 1).join(sign ? sign : "0") + string;
-};
-
-/// @param expected type prefix (string)
-/// @returns function which checks if type has matching prefix. if yes, returns true, otherwise false
-var prefixedType = function (prefix) {
-    return function (type) {
-        return type.indexOf(prefix) === 0;
-    };
-};
+var web3 = require('./web3'); 
+var utils = require('./utils');
+var types = require('./types');
+var c = require('./const');
+var f = require('./formatters');
 
-/// @param expected type name (string)
-/// @returns function which checks if type is matching expected one. if yes, returns true, otherwise false
-var namedType = function (name) {
-    return function (type) {
-        return name === type;
-    };
+var displayTypeError = function (type) {
+    console.error('parser does not support type: ' + type);
 };
 
+/// This method should be called if we want to check if givent type is an array type
+/// @returns true if it is, otherwise false
 var arrayType = function (type) {
     return type.slice(-2) === '[]';
 };
 
-/// Formats input value to byte representation of int
-/// If value is negative, return it's two's complement
-/// If the value is floating point, round it down
-/// @returns right-aligned byte representation of int
-var formatInputInt = function (value) {
-    var padding = ETH_PADDING * 2;
-    if (value instanceof BigNumber || typeof value === 'number') {
-        if (typeof value === 'number')
-            value = new BigNumber(value);
-        value = value.round();
-
-        if (value.lessThan(0)) 
-            value = new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(value).plus(1);
-        value = value.toString(16);
-    }
-    else if (value.indexOf('0x') === 0)
-        value = value.substr(2);
-    else if (typeof value === 'string')
-        value = formatInputInt(new BigNumber(value));
-    else
-        value = (+value).toString(16);
-    return padLeft(value, padding);
-};
-
-/// Formats input value to byte representation of string
-/// @returns left-algined byte representation of string
-var formatInputString = function (value) {
-    return web3.fromAscii(value, ETH_PADDING).substr(2);
-};
-
-/// Formats input value to byte representation of bool
-/// @returns right-aligned byte representation bool
-var formatInputBool = function (value) {
-    return '000000000000000000000000000000000000000000000000000000000000000' + (value ?  '1' : '0');
-};
-
-/// Formats input value to byte representation of real
-/// Values are multiplied by 2^m and encoded as integers
-/// @returns byte representation of real
-var formatInputReal = function (value) {
-    return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128))); 
-};
-
 var dynamicTypeBytes = function (type, value) {
     // TODO: decide what to do with array of strings
     if (arrayType(type) || type === 'string')    // only string itself that is dynamic; stringX is static length.
-        return formatInputInt(value.length); 
+        return f.formatInputInt(value.length); 
     return "";
 };
 
-/// Setups input formatters for solidity types
-/// @returns an array of input formatters 
-var setupInputTypes = function () {
-    
-    return [
-        { type: prefixedType('uint'), format: formatInputInt },
-        { type: prefixedType('int'), format: formatInputInt },
-        { type: prefixedType('hash'), format: formatInputInt },
-        { type: prefixedType('string'), format: formatInputString }, 
-        { type: prefixedType('real'), format: formatInputReal },
-        { type: prefixedType('ureal'), format: formatInputReal },
-        { type: namedType('address'), format: formatInputInt },
-        { type: namedType('bool'), format: formatInputBool }
-    ];
-};
-
-var inputTypes = setupInputTypes();
+var inputTypes = types.inputTypes(); 
 
 /// Formats input params to bytes
-/// @param contract json abi
-/// @param name of the method that we want to use
+/// @param abi contract method inputs
 /// @param array of params that will be formatted to bytes
 /// @returns bytes representation of input params
-var toAbiInput = function (json, methodName, params) {
+var formatInput = function (inputs, params) {
     var bytes = "";
-
-    var method = getMethodWithName(json, methodName);
-    var padding = ETH_PADDING * 2;
+    var padding = c.ETH_PADDING * 2;
 
     /// first we iterate in search for dynamic 
-    method.inputs.forEach(function (input, index) {
+    inputs.forEach(function (input, index) {
         bytes += dynamicTypeBytes(input.type, params[index]);
     });
 
-    method.inputs.forEach(function (input, i) {
+    inputs.forEach(function (input, i) {
         var typeMatch = false;
         for (var j = 0; j < inputTypes.length && !typeMatch; j++) {
-            typeMatch = inputTypes[j].type(method.inputs[i].type, params[i]);
+            typeMatch = inputTypes[j].type(inputs[i].type, params[i]);
         }
         if (!typeMatch) {
-            console.error('input parser does not support type: ' + method.inputs[i].type);
+            displayTypeError(inputs[i].type);
         }
 
         var formatter = inputTypes[j - 1].format;
         var toAppend = "";
 
-        if (arrayType(method.inputs[i].type))
+        if (arrayType(inputs[i].type))
             toAppend = params[i].reduce(function (acc, curr) {
                 return acc + formatter(curr);
             }, "");
@@ -201,116 +83,44 @@ var toAbiInput = function (json, methodName, params) {
     return bytes;
 };
 
-/// Check if input value is negative
-/// @param value is hex format
-/// @returns true if it is negative, otherwise false
-var signedIsNegative = function (value) {
-    return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1';
-};
-
-/// Formats input right-aligned input bytes to int
-/// @returns right-aligned input bytes formatted to int
-var formatOutputInt = function (value) {
-    // check if it's negative number
-    // it it is, return two's complement
-    if (signedIsNegative(value)) {
-        return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);
-    }
-    return new BigNumber(value, 16);
-};
-
-/// Formats big right-aligned input bytes to uint
-/// @returns right-aligned input bytes formatted to uint
-var formatOutputUInt = function (value) {
-    return new BigNumber(value, 16);
-};
-
-/// @returns input bytes formatted to real
-var formatOutputReal = function (value) {
-    return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128)); 
-};
-
-/// @returns input bytes formatted to ureal
-var formatOutputUReal = function (value) {
-    return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128)); 
-};
-
-/// @returns right-aligned input bytes formatted to hex
-var formatOutputHash = function (value) {
-    return "0x" + value;
-};
-
-/// @returns right-aligned input bytes formatted to bool
-var formatOutputBool = function (value) {
-    return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;
-};
-
-/// @returns left-aligned input bytes formatted to ascii string
-var formatOutputString = function (value) {
-    return web3.toAscii(value);
-};
-
-/// @returns right-aligned input bytes formatted to address
-var formatOutputAddress = function (value) {
-    return "0x" + value.slice(value.length - 40, value.length);
-};
-
 var dynamicBytesLength = function (type) {
     if (arrayType(type) || type === 'string')   // only string itself that is dynamic; stringX is static length.
-        return ETH_PADDING * 2;
+        return c.ETH_PADDING * 2;
     return 0;
 };
 
-/// Setups output formaters for solidity types
-/// @returns an array of output formatters
-var setupOutputTypes = function () {
-
-    return [
-        { type: prefixedType('uint'), format: formatOutputUInt },
-        { type: prefixedType('int'), format: formatOutputInt },
-        { type: prefixedType('hash'), format: formatOutputHash },
-        { type: prefixedType('string'), format: formatOutputString },
-        { type: prefixedType('real'), format: formatOutputReal },
-        { type: prefixedType('ureal'), format: formatOutputUReal },
-        { type: namedType('address'), format: formatOutputAddress },
-        { type: namedType('bool'), format: formatOutputBool }
-    ];
-};
-
-var outputTypes = setupOutputTypes();
+var outputTypes = types.outputTypes(); 
 
 /// Formats output bytes back to param list
-/// @param contract json abi
-/// @param name of the method that we want to use
+/// @param contract abi method outputs
 /// @param bytes representtion of output 
 /// @returns array of output params 
-var fromAbiOutput = function (json, methodName, output) {
+var formatOutput = function (outs, output) {
     
     output = output.slice(2);
     var result = [];
-    var method = getMethodWithName(json, methodName);
-    var padding = ETH_PADDING * 2;
+    var padding = c.ETH_PADDING * 2;
 
-    var dynamicPartLength = method.outputs.reduce(function (acc, curr) {
+    var dynamicPartLength = outs.reduce(function (acc, curr) {
         return acc + dynamicBytesLength(curr.type);
     }, 0);
     
     var dynamicPart = output.slice(0, dynamicPartLength);
     output = output.slice(dynamicPartLength);
 
-    method.outputs.forEach(function (out, i) {
+    outs.forEach(function (out, i) {
         var typeMatch = false;
         for (var j = 0; j < outputTypes.length && !typeMatch; j++) {
-            typeMatch = outputTypes[j].type(method.outputs[i].type);
+            typeMatch = outputTypes[j].type(outs[i].type);
         }
 
         if (!typeMatch) {
-            console.error('output parser does not support type: ' + method.outputs[i].type);
+            displayTypeError(outs[i].type);
         }
 
         var formatter = outputTypes[j - 1].format;
-        if (arrayType(method.outputs[i].type)) {
-            var size = formatOutputUInt(dynamicPart.slice(0, padding));
+        if (arrayType(outs[i].type)) {
+            var size = f.formatOutputUInt(dynamicPart.slice(0, padding));
             dynamicPart = dynamicPart.slice(padding);
             var array = [];
             for (var k = 0; k < size; k++) {
@@ -319,7 +129,7 @@ var fromAbiOutput = function (json, methodName, output) {
             }
             result.push(array);
         }
-        else if (prefixedType('string')(method.outputs[i].type)) {
+        else if (types.prefixedType('string')(outs[i].type)) {
             dynamicPart = dynamicPart.slice(padding); 
             result.push(formatter(output.slice(0, padding)));
             output = output.slice(padding);
@@ -332,30 +142,18 @@ var fromAbiOutput = function (json, methodName, output) {
     return result;
 };
 
-/// @returns display name for method eg. multiply(uint256) -> multiply
-var methodDisplayName = function (method) {
-    var length = method.indexOf('('); 
-    return length !== -1 ? method.substr(0, length) : method;
-};
-
-/// @returns overloaded part of method's name
-var methodTypeName = function (method) {
-    /// TODO: make it not vulnerable
-    var length = method.indexOf('(');
-    return length !== -1 ? method.substr(length + 1, method.length - 1 - (length + 1)) : "";
-};
-
 /// @param json abi for contract
 /// @returns input parser object for given json abi
+/// TODO: refactor creating the parser, do not double logic from contract
 var inputParser = function (json) {
     var parser = {};
     json.forEach(function (method) {
-        var displayName = methodDisplayName(method.name); 
-        var typeName = methodTypeName(method.name);
+        var displayName = utils.extractDisplayName(method.name); 
+        var typeName = utils.extractTypeName(method.name);
 
         var impl = function () {
             var params = Array.prototype.slice.call(arguments);
-            return toAbiInput(json, method.name, params);
+            return formatInput(method.inputs, params);
         };
        
         if (parser[displayName] === undefined) {
@@ -374,11 +172,11 @@ var outputParser = function (json) {
     var parser = {};
     json.forEach(function (method) {
 
-        var displayName = methodDisplayName(method.name); 
-        var typeName = methodTypeName(method.name);
+        var displayName = utils.extractDisplayName(method.name); 
+        var typeName = utils.extractTypeName(method.name);
 
         var impl = function (output) {
-            return fromAbiOutput(json, method.name, output);
+            return formatOutput(method.outputs, output);
         };
 
         if (parser[displayName] === undefined) {
@@ -391,18 +189,22 @@ var outputParser = function (json) {
     return parser;
 };
 
-/// @param method name for which we want to get method signature
-/// @returns (promise) contract method signature for method with given name
-var methodSignature = function (name) {
-    return web3.sha3(web3.fromAscii(name)).slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2);
+/// @param function/event name for which we want to get signature
+/// @returns signature of function/event with given name
+var signatureFromAscii = function (name) {
+    return web3.sha3(web3.fromAscii(name)).slice(0, 2 + c.ETH_SIGNATURE_LENGTH * 2);
+};
+
+var eventSignatureFromAscii = function (name) {
+    return web3.sha3(web3.fromAscii(name));
 };
 
 module.exports = {
     inputParser: inputParser,
     outputParser: outputParser,
-    methodSignature: methodSignature,
-    methodDisplayName: methodDisplayName,
-    methodTypeName: methodTypeName,
-    getMethodWithName: getMethodWithName
+    formatInput: formatInput,
+    formatOutput: formatOutput,
+    signatureFromAscii: signatureFromAscii,
+    eventSignatureFromAscii: eventSignatureFromAscii
 };
 

libjsqrc/ethereumjs/lib/const.js

@@ -0,0 +1,33 @@
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file const.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+/// required to define ETH_BIGNUMBER_ROUNDING_MODE
+if (process.env.NODE_ENV !== 'build') {
+    var BigNumber = require('bignumber.js'); // jshint ignore:line
+}
+
+module.exports = {
+    ETH_PADDING: 32,
+    ETH_SIGNATURE_LENGTH: 4,
+    ETH_BIGNUMBER_ROUNDING_MODE: { ROUNDING_MODE: BigNumber.ROUND_DOWN }
+};
+

libjsqrc/ethereumjs/lib/contract.js

@@ -20,98 +20,78 @@
  * @date 2014
  */
 
-var web3 = require('./web3'); // jshint ignore:line
+var web3 = require('./web3'); 
 var abi = require('./abi');
+var utils = require('./utils');
+var eventImpl = require('./event');
 
-/**
- * This method should be called when we want to call / transact some solidity method from javascript
- * it returns an object which has same methods available as solidity contract description
- * usage example: 
- *
- * var abi = [{
- *      name: 'myMethod',
- *      inputs: [{ name: 'a', type: 'string' }],
- *      outputs: [{name: 'd', type: 'string' }]
- * }];  // contract abi
- *
- * var myContract = web3.eth.contract('0x0123123121', abi); // creation of contract object
- *
- * myContract.myMethod('this is test string param for call'); // myMethod call (implicit, default)
- * myContract.call().myMethod('this is test string param for call'); // myMethod call (explicit)
- * myContract.transact().myMethod('this is test string param for transact'); // myMethod transact
- *
- * @param address - address of the contract, which should be called
- * @param desc - abi json description of the contract, which is being created
- * @returns contract object
- */
-
-var contract = function (address, desc) {
-
-    desc.forEach(function (method) {
-        // workaround for invalid assumption that method.name is the full anonymous prototype of the method.
-        // it's not. it's just the name. the rest of the code assumes it's actually the anonymous
-        // prototype, so we make it so as a workaround.
-        if (method.name.indexOf('(') === -1) {
-            var displayName = method.name;
-            var typeName = method.inputs.map(function(i){return i.type; }).join();
-            method.name = displayName + '(' + typeName + ')';
-        }
-    });
-
-    var inputParser = abi.inputParser(desc);
-    var outputParser = abi.outputParser(desc);
+var exportNatspecGlobals = function (vars) {
+    // it's used byt natspec.js
+    // TODO: figure out better way to solve this
+    web3._currentContractAbi = vars.abi;
+    web3._currentContractAddress = vars.address;
+    web3._currentContractMethodName = vars.method;
+    web3._currentContractMethodParams = vars.params;
+};
 
-    var result = {};
+var addFunctionRelatedPropertiesToContract = function (contract) {
     
-    result.call = function (options) {
-        result._isTransact = false;
-        result._options = options;
-        return result;
+    contract.call = function (options) {
+        contract._isTransact = false;
+        contract._options = options;
+        return contract;
     };
 
-    result.transact = function (options) {
-        result._isTransact = true;
-        result._options = options;
-        return result;
+    contract.transact = function (options) {
+        contract._isTransact = true;
+        contract._options = options;
+        return contract;
     };
 
-    result._options = {};
+    contract._options = {};
     ['gas', 'gasPrice', 'value', 'from'].forEach(function(p) {
-        result[p] = function (v) {
-            result._options[p] = v;
-            return result;
+        contract[p] = function (v) {
+            contract._options[p] = v;
+            return contract;
         };
     });
 
+};
 
-    desc.forEach(function (method) {
+var addFunctionsToContract = function (contract, desc, address) {
+    var inputParser = abi.inputParser(desc);
+    var outputParser = abi.outputParser(desc);
+
+    // create contract functions
+    utils.filterFunctions(desc).forEach(function (method) {
 
-        var displayName = abi.methodDisplayName(method.name);
-        var typeName = abi.methodTypeName(method.name);
+        var displayName = utils.extractDisplayName(method.name);
+        var typeName = utils.extractTypeName(method.name);
 
         var impl = function () {
             var params = Array.prototype.slice.call(arguments);
-            var signature = abi.methodSignature(method.name);
+            var signature = abi.signatureFromAscii(method.name);
             var parsed = inputParser[displayName][typeName].apply(null, params);
 
-            var options = result._options || {};
+            var options = contract._options || {};
             options.to = address;
             options.data = signature + parsed;
             
-            var isTransact = result._isTransact === true || (result._isTransact !== false && !method.constant);
+            var isTransact = contract._isTransact === true || (contract._isTransact !== false && !method.constant);
             var collapse = options.collapse !== false;
             
             // reset
-            result._options = {};
-            result._isTransact = null;
+            contract._options = {};
+            contract._isTransact = null;
 
             if (isTransact) {
-                // it's used byt natspec.js
-                // TODO: figure out better way to solve this
-                web3._currentContractAbi = desc;
-                web3._currentContractAddress = address;
-                web3._currentContractMethodName = method.name;
-                web3._currentContractMethodParams = params;
+                
+                exportNatspecGlobals({
+                    abi: desc,
+                    address: address,
+                    method: method.name,
+                    params: params
+                });
 
                 // transactions do not have any output, cause we do not know, when they will be processed
                 web3.eth.transact(options);
@@ -130,13 +110,96 @@ var contract = function (address, desc) {
             return ret;
         };
 
-        if (result[displayName] === undefined) {
-            result[displayName] = impl;
+        if (contract[displayName] === undefined) {
+            contract[displayName] = impl;
         }
 
-        result[displayName][typeName] = impl;
+        contract[displayName][typeName] = impl;
+    });
+};
+
+var addEventRelatedPropertiesToContract = function (contract, desc, address) {
+    contract.address = address;
     
+    Object.defineProperty(contract, 'topic', {
+        get: function() {
+            return utils.filterEvents(desc).map(function (e) {
+                return abi.eventSignatureFromAscii(e.name);
             });
+        }
+    });
+
+};
+
+var addEventsToContract = function (contract, desc, address) {
+    // create contract events
+    utils.filterEvents(desc).forEach(function (e) {
+
+        var impl = function () {
+            var params = Array.prototype.slice.call(arguments);
+            var signature = abi.eventSignatureFromAscii(e.name);
+            var event = eventImpl(address, signature, e);
+            var o = event.apply(null, params);
+            return web3.eth.watch(o);  
+        };
+        
+        // this property should be used by eth.filter to check if object is an event
+        impl._isEvent = true;
+
+        var displayName = utils.extractDisplayName(e.name);
+        var typeName = utils.extractTypeName(e.name);
+
+        if (contract[displayName] === undefined) {
+            contract[displayName] = impl;
+        }
+
+        contract[displayName][typeName] = impl;
+
+    });
+};
+
+
+/**
+ * This method should be called when we want to call / transact some solidity method from javascript
+ * it returns an object which has same methods available as solidity contract description
+ * usage example: 
+ *
+ * var abi = [{
+ *      name: 'myMethod',
+ *      inputs: [{ name: 'a', type: 'string' }],
+ *      outputs: [{name: 'd', type: 'string' }]
+ * }];  // contract abi
+ *
+ * var myContract = web3.eth.contract('0x0123123121', abi); // creation of contract object
+ *
+ * myContract.myMethod('this is test string param for call'); // myMethod call (implicit, default)
+ * myContract.call().myMethod('this is test string param for call'); // myMethod call (explicit)
+ * myContract.transact().myMethod('this is test string param for transact'); // myMethod transact
+ *
+ * @param address - address of the contract, which should be called
+ * @param desc - abi json description of the contract, which is being created
+ * @returns contract object
+ */
+
+var contract = function (address, desc) {
+
+    // workaround for invalid assumption that method.name is the full anonymous prototype of the method.
+    // it's not. it's just the name. the rest of the code assumes it's actually the anonymous
+    // prototype, so we make it so as a workaround.
+    // TODO: we may not want to modify input params, maybe use copy instead?
+    desc.forEach(function (method) {
+        if (method.name.indexOf('(') === -1) {
+            var displayName = method.name;
+            var typeName = method.inputs.map(function(i){return i.type; }).join();
+            method.name = displayName + '(' + typeName + ')';
+        }
+    });
+
+    var result = {};
+    addFunctionRelatedPropertiesToContract(result);
+    addFunctionsToContract(result, desc, address);
+    addEventRelatedPropertiesToContract(result, desc, address);
+    addEventsToContract(result, desc, address);
 
     return result;
 };

libjsqrc/ethereumjs/lib/event.js

@@ -0,0 +1,69 @@
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file event.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2014
+ */
+
+var abi = require('./abi');
+var utils = require('./utils');
+
+var inputWithName = function (inputs, name) {
+    var index = utils.findIndex(inputs, function (input) {
+        return input.name === name;
+    });
+    
+    if (index === -1) {
+        console.error('indexed param with name ' + name + ' not found');
+        return undefined;
+    }
+    return inputs[index];
+};
+
+var indexedParamsToTopics = function (event, indexed) {
+    // sort keys?
+    return Object.keys(indexed).map(function (key) {
+        var inputs = [inputWithName(event.inputs, key)];
+
+        var value = indexed[key];
+        if (value instanceof Array) {
+            return value.map(function (v) {
+                return abi.formatInput(inputs, [v]);
+            }); 
+        }
+        return abi.formatInput(inputs, [value]);
+    });
+};
+
+var implementationOfEvent = function (address, signature, event) {
+    
+    // valid options are 'earliest', 'latest', 'offset' and 'max', as defined for 'eth.watch'
+    return function (indexed, options) {
+        var o = options || {};
+        o.address = address;
+        o.topic = [];
+        o.topic.push(signature);
+        if (indexed) {
+            o.topic = o.topic.concat(indexedParamsToTopics(event, indexed));
+        }
+        return o;
+    };
+};
+
+module.exports = implementationOfEvent;
+

libjsqrc/ethereumjs/lib/filter.js

@@ -27,7 +27,29 @@ var web3 = require('./web3'); // jshint ignore:line
 
 /// should be used when we want to watch something
 /// it's using inner polling mechanism and is notified about changes
+/// TODO: change 'options' name cause it may be not the best matching one, since we have events
 var Filter = function(options, impl) {
+
+    if (typeof options !== "string") {
+
+        // topics property is deprecated, warn about it!
+        if (options.topics) {
+            console.warn('"topics" is deprecated, use "topic" instead');
+        }
+
+        // evaluate lazy properties
+        options = {
+            to: options.to,
+            topic: options.topic,
+            earliest: options.earliest,
+            latest: options.latest,
+            max: options.max,
+            skip: options.skip,
+            address: options.address
+        };
+
+    }
+    
     this.impl = impl;
     this.callbacks = [];
 
@@ -48,7 +70,7 @@ Filter.prototype.changed = function(callback) {
 /// trigger calling new message from people
 Filter.prototype.trigger = function(messages) {
     for (var i = 0; i < this.callbacks.length; i++) {
-        for (var j = 0; j < messages; j++) {
+        for (var j = 0; j < messages.length; j++) {
             this.callbacks[i].call(this, messages[j]);
         }
     }

libjsqrc/ethereumjs/lib/formatters.js

@@ -0,0 +1,154 @@
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file formatters.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+if (process.env.NODE_ENV !== 'build') {
+    var BigNumber = require('bignumber.js'); // jshint ignore:line
+}
+
+var utils = require('./utils');
+var c = require('./const');
+
+/// @param string string to be padded
+/// @param number of characters that result string should have
+/// @param sign, by default 0
+/// @returns right aligned string
+var padLeft = function (string, chars, sign) {
+    return new Array(chars - string.length + 1).join(sign ? sign : "0") + string;
+};
+
+/// Formats input value to byte representation of int
+/// If value is negative, return it's two's complement
+/// If the value is floating point, round it down
+/// @returns right-aligned byte representation of int
+var formatInputInt = function (value) {
+    var padding = c.ETH_PADDING * 2;
+    if (value instanceof BigNumber || typeof value === 'number') {
+        if (typeof value === 'number')
+            value = new BigNumber(value);
+        BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE);
+        value = value.round();
+
+        if (value.lessThan(0)) 
+            value = new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(value).plus(1);
+        value = value.toString(16);
+    }
+    else if (value.indexOf('0x') === 0)
+        value = value.substr(2);
+    else if (typeof value === 'string')
+        value = formatInputInt(new BigNumber(value));
+    else
+        value = (+value).toString(16);
+    return padLeft(value, padding);
+};
+
+/// Formats input value to byte representation of string
+/// @returns left-algined byte representation of string
+var formatInputString = function (value) {
+    return utils.fromAscii(value, c.ETH_PADDING).substr(2);
+};
+
+/// Formats input value to byte representation of bool
+/// @returns right-aligned byte representation bool
+var formatInputBool = function (value) {
+    return '000000000000000000000000000000000000000000000000000000000000000' + (value ?  '1' : '0');
+};
+
+/// Formats input value to byte representation of real
+/// Values are multiplied by 2^m and encoded as integers
+/// @returns byte representation of real
+var formatInputReal = function (value) {
+    return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128))); 
+};
+
+
+/// Check if input value is negative
+/// @param value is hex format
+/// @returns true if it is negative, otherwise false
+var signedIsNegative = function (value) {
+    return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1';
+};
+
+/// Formats input right-aligned input bytes to int
+/// @returns right-aligned input bytes formatted to int
+var formatOutputInt = function (value) {
+    value = value || "0";
+    // check if it's negative number
+    // it it is, return two's complement
+    if (signedIsNegative(value)) {
+        return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);
+    }
+    return new BigNumber(value, 16);
+};
+
+/// Formats big right-aligned input bytes to uint
+/// @returns right-aligned input bytes formatted to uint
+var formatOutputUInt = function (value) {
+    value = value || "0";
+    return new BigNumber(value, 16);
+};
+
+/// @returns input bytes formatted to real
+var formatOutputReal = function (value) {
+    return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128)); 
+};
+
+/// @returns input bytes formatted to ureal
+var formatOutputUReal = function (value) {
+    return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128)); 
+};
+
+/// @returns right-aligned input bytes formatted to hex
+var formatOutputHash = function (value) {
+    return "0x" + value;
+};
+
+/// @returns right-aligned input bytes formatted to bool
+var formatOutputBool = function (value) {
+    return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;
+};
+
+/// @returns left-aligned input bytes formatted to ascii string
+var formatOutputString = function (value) {
+    return utils.toAscii(value);
+};
+
+/// @returns right-aligned input bytes formatted to address
+var formatOutputAddress = function (value) {
+    return "0x" + value.slice(value.length - 40, value.length);
+};
+
+
+module.exports = {
+    formatInputInt: formatInputInt,
+    formatInputString: formatInputString,
+    formatInputBool: formatInputBool,
+    formatInputReal: formatInputReal,
+    formatOutputInt: formatOutputInt,
+    formatOutputUInt: formatOutputUInt,
+    formatOutputReal: formatOutputReal,
+    formatOutputUReal: formatOutputUReal,
+    formatOutputHash: formatOutputHash,
+    formatOutputBool: formatOutputBool,
+    formatOutputString: formatOutputString,
+    formatOutputAddress: formatOutputAddress
+};
+

libjsqrc/ethereumjs/lib/providermanager.js

@@ -76,6 +76,12 @@ ProviderManager.prototype.send = function(data) {
     //TODO: handle error here? 
     var result = this.provider.send(data);
     result = JSON.parse(result);
+
+    if (result.error) {
+        console.log(result.error);
+        return null;
+    }
+
     return result.result;
 };
 

libjsqrc/ethereumjs/lib/types.js

@@ -0,0 +1,79 @@
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file types.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+var f = require('./formatters');
+
+/// @param expected type prefix (string)
+/// @returns function which checks if type has matching prefix. if yes, returns true, otherwise false
+var prefixedType = function (prefix) {
+    return function (type) {
+        return type.indexOf(prefix) === 0;
+    };
+};
+
+/// @param expected type name (string)
+/// @returns function which checks if type is matching expected one. if yes, returns true, otherwise false
+var namedType = function (name) {
+    return function (type) {
+        return name === type;
+    };
+};
+
+/// Setups input formatters for solidity types
+/// @returns an array of input formatters 
+var inputTypes = function () {
+    
+    return [
+        { type: prefixedType('uint'), format: f.formatInputInt },
+        { type: prefixedType('int'), format: f.formatInputInt },
+        { type: prefixedType('hash'), format: f.formatInputInt },
+        { type: prefixedType('string'), format: f.formatInputString }, 
+        { type: prefixedType('real'), format: f.formatInputReal },
+        { type: prefixedType('ureal'), format: f.formatInputReal },
+        { type: namedType('address'), format: f.formatInputInt },
+        { type: namedType('bool'), format: f.formatInputBool }
+    ];
+};
+
+/// Setups output formaters for solidity types
+/// @returns an array of output formatters
+var outputTypes = function () {
+
+    return [
+        { type: prefixedType('uint'), format: f.formatOutputUInt },
+        { type: prefixedType('int'), format: f.formatOutputInt },
+        { type: prefixedType('hash'), format: f.formatOutputHash },
+        { type: prefixedType('string'), format: f.formatOutputString },
+        { type: prefixedType('real'), format: f.formatOutputReal },
+        { type: prefixedType('ureal'), format: f.formatOutputUReal },
+        { type: namedType('address'), format: f.formatOutputAddress },
+        { type: namedType('bool'), format: f.formatOutputBool }
+    ];
+};
+
+module.exports = {
+    prefixedType: prefixedType,
+    namedType: namedType,
+    inputTypes: inputTypes,
+    outputTypes: outputTypes
+};
+

libjsqrc/ethereumjs/lib/utils.js

@@ -0,0 +1,113 @@
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file utils.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+/// Finds first index of array element matching pattern
+/// @param array
+/// @param callback pattern
+/// @returns index of element
+var findIndex = function (array, callback) {
+    var end = false;
+    var i = 0;
+    for (; i < array.length && !end; i++) {
+        end = callback(array[i]);
+    }
+    return end ? i - 1 : -1;
+};
+
+/// @returns ascii string representation of hex value prefixed with 0x
+var toAscii = function(hex) {
+// Find termination
+    var str = "";
+    var i = 0, l = hex.length;
+    if (hex.substring(0, 2) === '0x') {
+        i = 2;
+    }
+    for (; i < l; i+=2) {
+        var code = parseInt(hex.substr(i, 2), 16);
+        if (code === 0) {
+            break;
+        }
+
+        str += String.fromCharCode(code);
+    }
+
+    return str;
+};
+    
+var toHex = function(str) {
+    var hex = "";
+    for(var i = 0; i < str.length; i++) {
+        var n = str.charCodeAt(i).toString(16);
+        hex += n.length < 2 ? '0' + n : n;
+    }
+
+    return hex;
+};
+
+/// @returns hex representation (prefixed by 0x) of ascii string
+var fromAscii = function(str, pad) {
+    pad = pad === undefined ? 0 : pad;
+    var hex = toHex(str);
+    while (hex.length < pad*2)
+        hex += "00";
+    return "0x" + hex;
+};
+
+/// @returns display name for function/event eg. multiply(uint256) -> multiply
+var extractDisplayName = function (name) {
+    var length = name.indexOf('('); 
+    return length !== -1 ? name.substr(0, length) : name;
+};
+
+/// @returns overloaded part of function/event name
+var extractTypeName = function (name) {
+    /// TODO: make it invulnerable
+    var length = name.indexOf('(');
+    return length !== -1 ? name.substr(length + 1, name.length - 1 - (length + 1)) : "";
+};
+
+/// Filters all function from input abi
+/// @returns abi array with filtered objects of type 'function'
+var filterFunctions = function (json) {
+    return json.filter(function (current) {
+        return current.type === 'function'; 
+    }); 
+};
+
+/// Filters all events form input abi
+/// @returns abi array with filtered objects of type 'event'
+var filterEvents = function (json) {
+    return json.filter(function (current) {
+        return current.type === 'event';
+    });
+};
+
+module.exports = {
+    findIndex: findIndex,
+    toAscii: toAscii,
+    fromAscii: fromAscii,
+    extractDisplayName: extractDisplayName,
+    extractTypeName: extractTypeName,
+    filterFunctions: filterFunctions,
+    filterEvents: filterEvents
+};
+

libjsqrc/ethereumjs/lib/web3.js

@@ -27,6 +27,8 @@ if (process.env.NODE_ENV !== 'build') {
     var BigNumber = require('bignumber.js');
 }
 
+var utils = require('./utils');
+
 var ETH_UNITS = [ 
     'wei', 
     'Kwei', 
@@ -98,7 +100,6 @@ var ethProperties = function () {
     { name: 'listening', getter: 'eth_listening', setter: 'eth_setListening' },
     { name: 'mining', getter: 'eth_mining', setter: 'eth_setMining' },
     { name: 'gasPrice', getter: 'eth_gasPrice' },
-    { name: 'account', getter: 'eth_account' },
     { name: 'accounts', getter: 'eth_accounts' },
     { name: 'peerCount', getter: 'eth_peerCount' },
     { name: 'defaultBlock', getter: 'eth_defaultBlock', setter: 'eth_setDefaultBlock' },
@@ -193,47 +194,17 @@ var web3 = {
     _events: {},
     providers: {},
 
-    toHex: function(str) {
-        var hex = "";
-        for(var i = 0; i < str.length; i++) {
-            var n = str.charCodeAt(i).toString(16);
-            hex += n.length < 2 ? '0' + n : n;
-        }
-
-        return hex;
-    },
-
     /// @returns ascii string representation of hex value prefixed with 0x
-    toAscii: function(hex) {
-        // Find termination
-        var str = "";
-        var i = 0, l = hex.length;
-        if (hex.substring(0, 2) === '0x')
-            i = 2;
-        for(; i < l; i+=2) {
-            var code = parseInt(hex.substr(i, 2), 16);
-            if(code === 0) {
-                break;
-            }
-
-            str += String.fromCharCode(code);
-        }
-
-        return str;
-    },
+    toAscii: utils.toAscii,
 
     /// @returns hex representation (prefixed by 0x) of ascii string
-    fromAscii: function(str, pad) {
-        pad = pad === undefined ? 0 : pad;
-        var hex = this.toHex(str);
-        while(hex.length < pad*2)
-            hex += "00";
-        return "0x" + hex;
-    },
+    fromAscii: utils.fromAscii,
 
     /// @returns decimal representaton of hex value prefixed by 0x
     toDecimal: function (val) {
-        return (new BigNumber(val.substring(2), 16).toString(10));
+        // remove 0x and place 0, if it's required
+        val = val.length > 2 ? val.substring(2) : "0";
+        return (new BigNumber(val, 16).toString(10));
     },
 
     /// @returns hex representation (prefixed by 0x) of decimal value
@@ -277,8 +248,15 @@ var web3 = {
                 return ret;
             };
         },
-        watch: function (params) {
-            return new web3.filter(params, ethWatch);
+
+        /// @param filter may be a string, object or event
+        /// @param indexed is optional, this is an object with optional event indexed params
+        /// @param options is optional, this is an object with optional event options ('max'...)
+        watch: function (filter, indexed, options) {
+            if (filter._isEvent) {
+                return filter(indexed, options);
+            }
+            return new web3.filter(filter, ethWatch);
         }
     },
 
@@ -287,8 +265,10 @@ var web3 = {
 
     /// shh object prototype
     shh: {
-        watch: function (params) {
-            return new web3.filter(params, shhWatch);
+        
+        /// @param filter may be a string, object or event
+        watch: function (filter, indexed) {
+            return new web3.filter(filter, shhWatch);
         }
     },
 

libjsqrc/ethereumjs/package.json

@@ -1,7 +1,7 @@
 {
   "name": "ethereum.js",
   "namespace": "ethereum",
-  "version": "0.0.10",
+  "version": "0.0.11",
   "description": "Ethereum Compatible JavaScript API",
   "main": "./index.js",
   "directories": {

libjsqrc/ethereumjs/test/abi.parsers.js

@@ -5,6 +5,7 @@ var clone = function (object) { return JSON.parse(JSON.stringify(object)); };
 
 var description =  [{
     "name": "test",
+    "type": "function",
     "inputs": [{
         "name": "a",
         "type": "uint256"
@@ -339,10 +340,12 @@ describe('abi', function() {
             // given
             var d =  [{
                 name: "test",
+                type: "function",
                 inputs: [{ type: "int" }],
                 outputs: [{ type: "int" }]
             },{
                 name: "test2",
+                type: "function",
                 inputs: [{ type: "string" }],
                 outputs: [{ type: "string" }]
             }];
@@ -775,10 +778,12 @@ describe('abi', function() {
             // given
             var d =  [{
                 name: "test",
+                type: "function",
                 inputs: [{ type: "int" }],
                 outputs: [{ type: "int" }]
             },{
                 name: "test2",
+                type: "function",
                 inputs: [{ type: "string" }],
                 outputs: [{ type: "string" }]
             }];
@@ -823,6 +828,38 @@ describe('abi', function() {
 
         });
 
+        it('should parse 0x value', function () {
+        
+            // given
+            var d = clone(description);
+            d[0].outputs = [
+                { type: 'int' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(parser.test("0x")[0], 0);
+
+        });
+        
+        it('should parse 0x value', function () {
+        
+            // given
+            var d = clone(description);
+            d[0].outputs = [
+                { type: 'uint' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(parser.test("0x")[0], 0);
+
+        });
+
     });
 });
 

libjsqrc/ethereumjs/test/eth.contract.js

@@ -0,0 +1,201 @@
+var assert = require('assert');
+var contract = require('../lib/contract.js');
+
+describe('contract', function() {
+    it('should create simple contract with one method from abi with explicit type name', function () {
+        
+        // given
+        var description =  [{
+            "name": "test(uint256)",
+            "type": "function",
+            "inputs": [{
+                "name": "a",
+                "type": "uint256"
+            }
+            ],
+            "outputs": [
+            {
+                "name": "d",
+                "type": "uint256"
+            }
+            ]
+        }];
+    
+        // when
+        var con = contract(null, description);
+
+        // then
+        assert.equal('function', typeof con.test); 
+        assert.equal('function', typeof con.test['uint256']);
+    });
+
+    it('should create simple contract with one method from abi with implicit type name', function () {
+    
+        // given
+        var description =  [{
+            "name": "test",
+            "type": "function",
+            "inputs": [{
+                "name": "a",
+                "type": "uint256"
+            }
+            ],
+            "outputs": [
+            {
+                "name": "d",
+                "type": "uint256"
+            }
+            ]
+        }];
+
+        // when
+        var con = contract(null, description);
+
+        // then
+        assert.equal('function', typeof con.test); 
+        assert.equal('function', typeof con.test['uint256']);
+    }); 
+
+    it('should create contract with multiple methods', function () {
+        
+        // given
+        var description = [{
+            "name": "test",
+            "type": "function",
+            "inputs": [{
+                "name": "a",
+                "type": "uint256"
+            }
+            ],
+            "outputs": [
+            {
+                "name": "d",
+                "type": "uint256"
+            }
+            ],
+        }, {
+            "name": "test2",
+            "type": "function",
+            "inputs": [{
+                "name": "a",
+                "type": "uint256"
+            }
+            ],
+            "outputs": [
+            {
+                "name": "d",
+                "type": "uint256"
+            }
+            ]
+        }];
+        
+        // when
+        var con = contract(null, description);
+
+        // then
+        assert.equal('function', typeof con.test); 
+        assert.equal('function', typeof con.test['uint256']);
+        assert.equal('function', typeof con.test2); 
+        assert.equal('function', typeof con.test2['uint256']);
+    });
+
+    it('should create contract with overloaded methods', function () {
+    
+        // given
+        var description = [{
+            "name": "test",
+            "type": "function",
+            "inputs": [{
+                "name": "a",
+                "type": "uint256"
+            }
+            ],
+            "outputs": [
+            {
+                "name": "d",
+                "type": "uint256"
+            }
+            ],
+        }, {
+            "name": "test",
+            "type": "function",
+            "inputs": [{
+                "name": "a",
+                "type": "string"
+            }
+            ],
+            "outputs": [
+            {
+                "name": "d",
+                "type": "uint256"
+            }
+            ]
+        }];
+        
+        // when
+        var con = contract(null, description);
+
+        // then
+        assert.equal('function', typeof con.test); 
+        assert.equal('function', typeof con.test['uint256']);
+        assert.equal('function', typeof con.test['string']); 
+    });
+
+    it('should create contract with no methods', function () {
+        
+        // given
+        var description =  [{
+            "name": "test(uint256)",
+            "inputs": [{
+                "name": "a",
+                "type": "uint256"
+            }
+            ],
+            "outputs": [
+            {
+                "name": "d",
+                "type": "uint256"
+            }
+            ]
+        }];
+
+
+        // when
+        var con = contract(null, description);
+
+        // then
+        assert.equal('undefined', typeof con.test); 
+
+    });
+
+    it('should create contract with one event', function () {
+        
+        // given
+        var description =  [{
+            "name": "test",
+            "type": "event",
+            "inputs": [{
+                "name": "a",
+                "type": "uint256"
+            }
+            ],
+            "outputs": [
+            {
+                "name": "d",
+                "type": "uint256"
+            }
+            ]
+        }];
+
+
+        // when
+        var con = contract(null, description);
+
+        // then
+        assert.equal('function', typeof con.test); 
+        assert.equal('function', typeof con.test['uint256']); 
+
+    });
+
+});
+

libjsqrc/ethereumjs/test/eth.methods.js

@@ -24,7 +24,6 @@ describe('web3', function() {
         u.propertyExists(web3.eth, 'listening');
         u.propertyExists(web3.eth, 'mining');
         u.propertyExists(web3.eth, 'gasPrice');
-        u.propertyExists(web3.eth, 'account');
         u.propertyExists(web3.eth, 'accounts');
         u.propertyExists(web3.eth, 'peerCount');
         u.propertyExists(web3.eth, 'defaultBlock');

libjsqrc/ethereumjs/test/event.js

@@ -0,0 +1,124 @@
+var assert = require('assert');
+var event = require('../lib/event.js');
+var f = require('../lib/formatters.js');
+
+describe('event', function () {
+    it('should create basic filter input object', function () {
+        
+        // given
+        var address = '0x012345'; 
+        var signature = '0x987654';
+        var e = {
+            name: 'Event',
+            inputs: [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}]
+        };
+
+        // when
+        var impl = event(address, signature, e);
+        var result = impl();
+
+        // then
+        assert.equal(result.address, address); 
+        assert.equal(result.topic.length, 1);
+        assert.equal(result.topic[0], signature);
+
+    });
+
+    it('should create filter input object with options', function () {
+        
+        // given
+        var address = '0x012345';
+        var signature = '0x987654';
+        var options = {
+            earliest: 1,
+            latest: 2,
+            offset: 3,
+            max: 4
+        };
+        var e = {
+            name: 'Event',
+            inputs: [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}]
+        };
+
+        // when
+        var impl = event(address, signature, e); 
+        var result = impl({}, options);
+
+        // then
+        assert.equal(result.address, address);
+        assert.equal(result.topic.length, 1);
+        assert.equal(result.topic[0], signature);
+        assert.equal(result.earliest, options.earliest);
+        assert.equal(result.latest, options.latest);
+        assert.equal(result.offset, options.offset);
+        assert.equal(result.max, options.max);
+    
+    });
+
+    it('should create filter input object with indexed params', function () {
+    
+        // given
+        var address = '0x012345';
+        var signature = '0x987654';
+        var options = {
+            earliest: 1,
+            latest: 2,
+            offset: 3,
+            max: 4
+        };
+        var e = {
+            name: 'Event',
+            inputs: [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}]
+        };
+
+        // when
+        var impl = event(address, signature, e); 
+        var result = impl({a: 4}, options);
+
+        // then
+        assert.equal(result.address, address);
+        assert.equal(result.topic.length, 2);
+        assert.equal(result.topic[0], signature);
+        assert.equal(result.topic[1], f.formatInputInt(4));
+        assert.equal(result.earliest, options.earliest);
+        assert.equal(result.latest, options.latest);
+        assert.equal(result.offset, options.offset);
+        assert.equal(result.max, options.max);
+
+    });
+
+    it('should create filter input object with an array of indexed params', function () {
+    
+        // given
+        var address = '0x012345';
+        var signature = '0x987654';
+        var options = {
+            earliest: 1,
+            latest: 2,
+            offset: 3,
+            max: 4
+        };
+        var e = {
+            name: 'Event',
+            inputs: [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}]
+        };
+
+        // when
+        var impl = event(address, signature, e); 
+        var result = impl({a: [4, 69]}, options);
+
+        // then
+        assert.equal(result.address, address);
+        assert.equal(result.topic.length, 2);
+        assert.equal(result.topic[0], signature);
+        assert.equal(result.topic[1][0], f.formatInputInt(4));
+        assert.equal(result.topic[1][1], f.formatInputInt(69));
+        assert.equal(result.earliest, options.earliest);
+        assert.equal(result.latest, options.latest);
+        assert.equal(result.offset, options.offset);
+        assert.equal(result.max, options.max);
+
+    });
+
+});
+

libjsqrc/ethereumjs/test/utils.filters.js

@@ -0,0 +1,49 @@
+var assert = require('assert');
+var utils = require('../lib/utils.js');
+
+describe('utils', function() {
+    it('should filter functions and events from input array properly', function () {
+
+        // given
+        var description = [{
+            "name": "test",
+            "type": "function",
+            "inputs": [{
+                "name": "a",
+                "type": "uint256"
+            }
+            ],
+            "outputs": [
+            {
+                "name": "d",
+                "type": "uint256"
+            }
+            ],
+        }, {
+            "name": "test2",
+            "type": "event",
+            "inputs": [{
+                "name": "a",
+                "type": "uint256"
+            }
+            ],
+            "outputs": [
+            {
+                "name": "d",
+                "type": "uint256"
+            }
+            ]
+        }];
+        
+        // when
+        var events = utils.filterEvents(description);
+        var functions = utils.filterFunctions(description);
+
+        // then
+        assert.equal(events.length, 1);
+        assert.equal(events[0].name, 'test2');
+        assert.equal(functions.length, 1);
+        assert.equal(functions[0].name, 'test');
+        
+    });
+});

libjsqrc/ethereumjs/test/web3.methods.js

@@ -6,8 +6,5 @@ describe('web3', function() {
     u.methodExists(web3, 'sha3');
     u.methodExists(web3, 'toAscii');
     u.methodExists(web3, 'fromAscii');
-    u.methodExists(web3, 'toFixed');
-    u.methodExists(web3, 'fromFixed');
-    u.methodExists(web3, 'offset');
 });
 

libsolidity/AST.cpp

@@ -58,6 +58,11 @@ void ContractDefinition::checkTypeRequirements()
 		BOOST_THROW_EXCEPTION(constructor->getReturnParameterList()->createTypeError(
 									"Non-empty \"returns\" directive for constructor."));
 
+	FunctionDefinition const* fallbackFunction = getFallbackFunction();
+	if (fallbackFunction && fallbackFunction->getScope() == this && !fallbackFunction->getParameters().empty())
+		BOOST_THROW_EXCEPTION(fallbackFunction->getParameterList().createTypeError(
+									"Fallback function cannot take parameters."));
+
 	for (ASTPointer<ModifierDefinition> const& modifier: getFunctionModifiers())
 		modifier->checkTypeRequirements();
 
@@ -66,24 +71,24 @@ void ContractDefinition::checkTypeRequirements()
 
 	// check for hash collisions in function signatures
 	set<FixedHash<4>> hashes;
-	for (auto const& hashAndFunction: getInterfaceFunctionList())
+	for (auto const& it: getInterfaceFunctionList())
 	{
-		FixedHash<4> const& hash = std::get<0>(hashAndFunction);
+		FixedHash<4> const& hash = it.first;
 		if (hashes.count(hash))
 			BOOST_THROW_EXCEPTION(createTypeError(
 									  std::string("Function signature hash collision for ") +
-									  std::get<1>(hashAndFunction)->getCanonicalSignature(std::get<2>(hashAndFunction)->getName())));
+									  it.second->getCanonicalSignature()));
 		hashes.insert(hash);
 	}
 }
 
-map<FixedHash<4>, FunctionDescription> ContractDefinition::getInterfaceFunctions() const
+map<FixedHash<4>, FunctionTypePointer> ContractDefinition::getInterfaceFunctions() const
 {
 	auto exportedFunctionList = getInterfaceFunctionList();
 
-	map<FixedHash<4>, FunctionDescription> exportedFunctions;
+	map<FixedHash<4>, FunctionTypePointer> exportedFunctions;
 	for (auto const& it: exportedFunctionList)
-		exportedFunctions.insert(make_pair(std::get<0>(it), FunctionDescription(std::get<1>(it), std::get<2>(it))));
+		exportedFunctions.insert(it);
 
 	solAssert(exportedFunctionList.size() == exportedFunctions.size(),
 			  "Hash collision at Function Definition Hash calculation");
@@ -99,6 +104,15 @@ FunctionDefinition const* ContractDefinition::getConstructor() const
 	return nullptr;
 }
 
+FunctionDefinition const* ContractDefinition::getFallbackFunction() const
+{
+	for (ContractDefinition const* contract: getLinearizedBaseContracts())
+		for (ASTPointer<FunctionDefinition> const& f: contract->getDefinedFunctions())
+			if (f->getName().empty())
+				return f.get();
+	return nullptr;
+}
+
 void ContractDefinition::checkIllegalOverrides() const
 {
 	// TODO unify this at a later point. for this we need to put the constness and the access specifier
@@ -138,20 +152,37 @@ void ContractDefinition::checkIllegalOverrides() const
 	}
 }
 
-vector<tuple<FixedHash<4>, std::shared_ptr<FunctionType const>, Declaration const*>> const& ContractDefinition::getInterfaceFunctionList() const
+std::vector<ASTPointer<EventDefinition>> const& ContractDefinition::getInterfaceEvents() const
+{
+	if (!m_interfaceEvents)
+	{
+		set<string> eventsSeen;
+		m_interfaceEvents.reset(new std::vector<ASTPointer<EventDefinition>>());
+		for (ContractDefinition const* contract: getLinearizedBaseContracts())
+			for (ASTPointer<EventDefinition> const& e: contract->getEvents())
+				if (eventsSeen.count(e->getName()) == 0)
+				{
+					eventsSeen.insert(e->getName());
+					m_interfaceEvents->push_back(e);
+				}
+	}
+	return *m_interfaceEvents;
+}
+
+vector<pair<FixedHash<4>, FunctionTypePointer>> const& ContractDefinition::getInterfaceFunctionList() const
 {
 	if (!m_interfaceFunctionList)
 	{
 		set<string> functionsSeen;
-		m_interfaceFunctionList.reset(new vector<tuple<FixedHash<4>, std::shared_ptr<FunctionType const>, Declaration const*>>());
+		m_interfaceFunctionList.reset(new vector<pair<FixedHash<4>, FunctionTypePointer>>());
 		for (ContractDefinition const* contract: getLinearizedBaseContracts())
 		{
 			for (ASTPointer<FunctionDefinition> const& f: contract->getDefinedFunctions())
-				if (f->isPublic() && !f->isConstructor() && functionsSeen.count(f->getName()) == 0)
+				if (f->isPublic() && !f->isConstructor() && !f->getName().empty() && functionsSeen.count(f->getName()) == 0)
 				{
 					functionsSeen.insert(f->getName());
 					FixedHash<4> hash(dev::sha3(f->getCanonicalSignature()));
-					m_interfaceFunctionList->push_back(make_tuple(hash, make_shared<FunctionType>(*f, false), f.get()));
+					m_interfaceFunctionList->push_back(make_pair(hash, make_shared<FunctionType>(*f, false)));
 				}
 
 			for (ASTPointer<VariableDeclaration> const& v: contract->getStateVariables())
@@ -160,7 +191,7 @@ vector<tuple<FixedHash<4>, std::shared_ptr<FunctionType const>, Declaration cons
 					FunctionType ftype(*v);
 					functionsSeen.insert(v->getName());
 					FixedHash<4> hash(dev::sha3(ftype.getCanonicalSignature(v->getName())));
-					m_interfaceFunctionList->push_back(make_tuple(hash, make_shared<FunctionType>(*v), v.get()));
+					m_interfaceFunctionList->push_back(make_pair(hash, make_shared<FunctionType>(*v)));
 				}
 		}
 	}
@@ -271,6 +302,20 @@ void ModifierInvocation::checkTypeRequirements()
 			BOOST_THROW_EXCEPTION(createTypeError("Invalid type for argument in modifier invocation."));
 }
 
+void EventDefinition::checkTypeRequirements()
+{
+	int numIndexed = 0;
+	for (ASTPointer<VariableDeclaration> const& var: getParameters())
+	{
+		if (var->isIndexed())
+			numIndexed++;
+		if (!var->getType()->canLiveOutsideStorage())
+			BOOST_THROW_EXCEPTION(var->createTypeError("Type is required to live outside storage."));
+	}
+	if (numIndexed > 3)
+		BOOST_THROW_EXCEPTION(createTypeError("More than 3 indexed arguments for event."));
+}
+
 void Block::checkTypeRequirements()
 {
 	for (shared_ptr<Statement> const& statement: m_statements)
@@ -519,103 +564,5 @@ void Literal::checkTypeRequirements()
 		BOOST_THROW_EXCEPTION(createTypeError("Invalid literal value."));
 }
 
-std::string const& ParamDescription::getName() const
-{
-	return m_description.first;
-}
-
-std::string const& ParamDescription::getType() const
-{
-	return m_description.second;
-}
-
-ASTPointer<ASTString> FunctionDescription::getDocumentation() const
-{
-	auto function = dynamic_cast<FunctionDefinition const*>(m_description.second);
-	if (function)
-		return function->getDocumentation();
-
-	return ASTPointer<ASTString>();
-}
-
-string FunctionDescription::getSignature() const
-{
-	return m_description.first->getCanonicalSignature(m_description.second->getName());
-}
-
-string FunctionDescription::getName() const
-{
-	return m_description.second->getName();
-}
-
-bool FunctionDescription::isConstant() const
-{
-	auto function = dynamic_cast<FunctionDefinition const*>(m_description.second);
-	if (function)
-		return function->isDeclaredConst();
-
-	return true;
-}
-
-vector<ParamDescription> const FunctionDescription::getParameters() const
-{
-	auto function = dynamic_cast<FunctionDefinition const*>(m_description.second);
-	if (function)
-	{
-		vector<ParamDescription> paramsDescription;
-		for (auto const& param: function->getParameters())
-			paramsDescription.push_back(ParamDescription(param->getName(), param->getType()->toString()));
-
-		return paramsDescription;
-	}
-
-	// else for now let's assume no parameters to accessors
-	// LTODO: fix this for mapping types
-	return {};
-}
-
-vector<ParamDescription> const FunctionDescription::getReturnParameters() const
-{
-	auto function = dynamic_cast<FunctionDefinition const*>(m_description.second);
-	if (function)
-	{
-		vector<ParamDescription> paramsDescription;
-		for (auto const& param: function->getReturnParameters())
-			paramsDescription.push_back(ParamDescription(param->getName(), param->getType()->toString()));
-
-		return paramsDescription;
-	}
-
-	auto vardecl = dynamic_cast<VariableDeclaration const*>(m_description.second);
-	return {ParamDescription(vardecl->getName(), vardecl->getType()->toString())};
-}
-
-Declaration const* FunctionDescription::getDeclaration() const
-{
-	return m_description.second;
-}
-
-VariableDeclaration const* FunctionDescription::getVariableDeclaration() const
-{
-	return dynamic_cast<VariableDeclaration const*>(m_description.second);
-}
-
-FunctionDefinition const* FunctionDescription::getFunctionDefinition() const
-{
-	return dynamic_cast<FunctionDefinition const*>(m_description.second);
-}
-
-shared_ptr<FunctionType const> FunctionDescription::getFunctionTypeShared() const
-{
-	return m_description.first;
-}
-
-
-FunctionType const* FunctionDescription::getFunctionType() const
-{
-	return m_description.first.get();
-}
-
-
 }
 }

libsolidity/AST.h

@@ -156,71 +156,6 @@ private:
 	Declaration const* m_scope;
 };
 
-
-
-/// Traits and Helpers (@todo: move to their own header)
-/// @{
-
-/**
- * Generic Parameter description used by @see FunctionDescription to return
- * a descripton of its parameters.
- */
-struct ParamDescription
-{
-	ParamDescription(std::string const& _name, std::string const& _type):
-		m_description(_name, _type){}
-
-	std::string const& getName() const;
-	std::string const& getType() const;
-
-	std::pair<std::string, std::string> m_description;
-};
-
-
-/**
- * Generic function description able to describe both normal functions and
- * functions that should be made as accessors to state variables
- */
-struct FunctionDescription
-{
-	FunctionDescription(std::shared_ptr<FunctionType const> _type, Declaration const* _decl):
-		m_description(_type, _decl){}
-
-	/// constructor for a constructor's function definition. Used only inside mix.
-	FunctionDescription(Declaration const* _def):
-	m_description(nullptr, _def){}
-
-	FunctionDescription():
-		m_description(nullptr, nullptr){}
-
-	/// @returns the natspec documentation of the function if existing. Accessor (for now) don't have natspec doc
-	ASTPointer<ASTString> getDocumentation() const;
-	/// @returns the canonical signature of the function
-	std::string getSignature() const;
-	/// @returns the name of the function, basically that of the declaration
-	std::string getName() const;
-	/// @returns whether the function is constant. IF it's an accessor this is always true
-	bool isConstant() const;
-	/// @returns the argument parameters of the function
-	std::vector<ParamDescription> const getParameters() const;
-	/// @returns the return parameters of the function
-	std::vector<ParamDescription> const getReturnParameters() const;
-	/// @returns a generic Declaration AST Node pointer which can be either a FunctionDefinition or a VariableDeclaration
-	Declaration const* getDeclaration() const;
-	/// @returns the VariableDeclaration AST Node pointer or nullptr if it's not a VariableDeclaration
-	VariableDeclaration const* getVariableDeclaration() const;
-	/// @returns the FunctionDefinition AST Node pointer or nullptr if it's not a FunctionDefinition
-	FunctionDefinition const* getFunctionDefinition() const;
-	/// @returns a created shared pointer with the type of the function
-	std::shared_ptr<FunctionType> makeFunctionType() const;
-	/// @returns a pointer to the function type
-	FunctionType const* getFunctionType() const;
-	/// @returns a shared pointer to the function type
-	std::shared_ptr<FunctionType const> getFunctionTypeShared() const;
-
-	std::pair<std::shared_ptr<FunctionType const>, Declaration const*> m_description;
-};
-
 /**
  * Abstract class that is added to each AST node that can store local variables.
  */
@@ -252,7 +187,6 @@ protected:
 
 /// @}
 
-
 /**
  * Definition of a contract. This is the only AST nodes where child nodes are not visited in
  * document order. It first visits all struct declarations, then all variable declarations and
@@ -268,13 +202,15 @@ public:
 					   std::vector<ASTPointer<StructDefinition>> const& _definedStructs,
 					   std::vector<ASTPointer<VariableDeclaration>> const& _stateVariables,
 					   std::vector<ASTPointer<FunctionDefinition>> const& _definedFunctions,
-					   std::vector<ASTPointer<ModifierDefinition>> const& _functionModifiers):
+					   std::vector<ASTPointer<ModifierDefinition>> const& _functionModifiers,
+					   std::vector<ASTPointer<EventDefinition>> const& _events):
 		Declaration(_location, _name), Documented(_documentation),
 		m_baseContracts(_baseContracts),
 		m_definedStructs(_definedStructs),
 		m_stateVariables(_stateVariables),
 		m_definedFunctions(_definedFunctions),
-		m_functionModifiers(_functionModifiers)
+		m_functionModifiers(_functionModifiers),
+		m_events(_events)
 	{}
 
 	virtual void accept(ASTVisitor& _visitor) override;
@@ -285,6 +221,8 @@ public:
 	std::vector<ASTPointer<VariableDeclaration>> const& getStateVariables() const { return m_stateVariables; }
 	std::vector<ASTPointer<ModifierDefinition>> const& getFunctionModifiers() const { return m_functionModifiers; }
 	std::vector<ASTPointer<FunctionDefinition>> const& getDefinedFunctions() const { return m_definedFunctions; }
+	std::vector<ASTPointer<EventDefinition>> const& getEvents() const { return m_events; }
+	std::vector<ASTPointer<EventDefinition>> const& getInterfaceEvents() const;
 
 	virtual TypePointer getType(ContractDefinition const* m_currentContract) const override;
 
@@ -294,29 +232,33 @@ public:
 
 	/// @returns a map of canonical function signatures to FunctionDefinitions
 	/// as intended for use by the ABI.
-	std::map<FixedHash<4>, FunctionDescription> getInterfaceFunctions() const;
+	std::map<FixedHash<4>, FunctionTypePointer> getInterfaceFunctions() const;
 
 	/// List of all (direct and indirect) base contracts in order from derived to base, including
 	/// the contract itself. Available after name resolution
 	std::vector<ContractDefinition const*> const& getLinearizedBaseContracts() const { return m_linearizedBaseContracts; }
 	void setLinearizedBaseContracts(std::vector<ContractDefinition const*> const& _bases) { m_linearizedBaseContracts = _bases; }
 
-	/// Returns the constructor or nullptr if no constructor was specified
+	/// Returns the constructor or nullptr if no constructor was specified.
 	FunctionDefinition const* getConstructor() const;
+	/// Returns the fallback function or nullptr if no constructor was specified.
+	FunctionDefinition const* getFallbackFunction() const;
 
 private:
 	void checkIllegalOverrides() const;
 
-	std::vector<std::tuple<FixedHash<4>, std::shared_ptr<FunctionType const>, Declaration const*>> const& getInterfaceFunctionList() const;
+	std::vector<std::pair<FixedHash<4>, FunctionTypePointer>> const& getInterfaceFunctionList() const;
 
 	std::vector<ASTPointer<InheritanceSpecifier>> m_baseContracts;
 	std::vector<ASTPointer<StructDefinition>> m_definedStructs;
 	std::vector<ASTPointer<VariableDeclaration>> m_stateVariables;
 	std::vector<ASTPointer<FunctionDefinition>> m_definedFunctions;
 	std::vector<ASTPointer<ModifierDefinition>> m_functionModifiers;
+	std::vector<ASTPointer<EventDefinition>> m_events;
 
 	std::vector<ContractDefinition const*> m_linearizedBaseContracts;
-	mutable std::unique_ptr<std::vector<std::tuple<FixedHash<4>, std::shared_ptr<FunctionType const>, Declaration const*>>> m_interfaceFunctionList;
+	mutable std::unique_ptr<std::vector<std::pair<FixedHash<4>, FunctionTypePointer>>> m_interfaceFunctionList;
+	mutable std::unique_ptr<std::vector<ASTPointer<EventDefinition>>> m_interfaceEvents;
 };
 
 class InheritanceSpecifier: public ASTNode
@@ -446,8 +388,10 @@ class VariableDeclaration: public Declaration
 {
 public:
 	VariableDeclaration(Location const& _location, ASTPointer<TypeName> const& _type,
-							ASTPointer<ASTString> const& _name, bool _isPublic, bool _isStateVar = false):
-	Declaration(_location, _name), m_typeName(_type), m_isPublic(_isPublic), m_isStateVariable(_isStateVar) {}
+						ASTPointer<ASTString> const& _name, bool _isPublic, bool _isStateVar = false,
+						bool _isIndexed = false):
+		Declaration(_location, _name), m_typeName(_type),
+		m_isPublic(_isPublic), m_isStateVariable(_isStateVar), m_isIndexed(_isIndexed) {}
 	virtual void accept(ASTVisitor& _visitor) override;
 	virtual void accept(ASTConstVisitor& _visitor) const override;
 
@@ -462,12 +406,13 @@ public:
 	bool isLocalVariable() const { return !!dynamic_cast<FunctionDefinition const*>(getScope()); }
 	bool isPublic() const { return m_isPublic; }
 	bool isStateVariable() const { return m_isStateVariable; }
-
+	bool isIndexed() const { return m_isIndexed; }
 
 private:
 	ASTPointer<TypeName> m_typeName;    ///< can be empty ("var")
 	bool m_isPublic;                    ///< Whether there is an accessor for it or not
 	bool m_isStateVariable;             ///< Whether or not this is a contract state variable
+	bool m_isIndexed;                   ///< Whether this is an indexed variable (used by events).
 
 	std::shared_ptr<Type const> m_type; ///< derived type, initially empty
 };
@@ -495,7 +440,6 @@ public:
 
 	virtual TypePointer getType(ContractDefinition const* = nullptr) const override;
 
-
 	void checkTypeRequirements();
 
 private:
@@ -526,6 +470,37 @@ private:
 	std::vector<ASTPointer<Expression>> m_arguments;
 };
 
+/**
+ * Definition of a (loggable) event.
+ */
+class EventDefinition: public Declaration, public VariableScope, public Documented
+{
+public:
+	EventDefinition(Location const& _location,
+					ASTPointer<ASTString> const& _name,
+					ASTPointer<ASTString> const& _documentation,
+					ASTPointer<ParameterList> const& _parameters):
+		Declaration(_location, _name), Documented(_documentation), m_parameters(_parameters) {}
+
+	virtual void accept(ASTVisitor& _visitor) override;
+	virtual void accept(ASTConstVisitor& _visitor) const override;
+
+	std::vector<ASTPointer<VariableDeclaration>> const& getParameters() const { return m_parameters->getParameters(); }
+	ParameterList const& getParameterList() const { return *m_parameters; }
+	Block const& getBody() const { return *m_body; }
+
+	virtual TypePointer getType(ContractDefinition const* = nullptr) const override
+	{
+		return std::make_shared<FunctionType>(*this);
+	}
+
+	void checkTypeRequirements();
+
+private:
+	ASTPointer<ParameterList> m_parameters;
+	ASTPointer<Block> m_body;
+};
+
 /**
  * Pseudo AST node that is used as declaration for "this", "msg", "tx", "block" and the global
  * functions when such an identifier is encountered. Will never have a valid location in the source code.

libsolidity/ASTForward.h

@@ -45,6 +45,7 @@ class FunctionDefinition;
 class VariableDeclaration;
 class ModifierDefinition;
 class ModifierInvocation;
+class EventDefinition;
 class MagicVariableDeclaration;
 class TypeName;
 class ElementaryTypeName;

libsolidity/ASTPrinter.cpp

@@ -108,6 +108,13 @@ bool ASTPrinter::visit(ModifierInvocation const& _node)
 	return goDeeper();
 }
 
+bool ASTPrinter::visit(EventDefinition const& _node)
+{
+	writeLine("EventDefinition \"" + _node.getName() + "\"");
+	printSourcePart(_node);
+	return goDeeper();
+}
+
 bool ASTPrinter::visit(TypeName const& _node)
 {
 	writeLine("TypeName");
@@ -365,6 +372,11 @@ void ASTPrinter::endVisit(ModifierInvocation const&)
 	m_indentation--;
 }
 
+void ASTPrinter::endVisit(EventDefinition const&)
+{
+	m_indentation--;
+}
+
 void ASTPrinter::endVisit(TypeName const&)
 {
 	m_indentation--;

libsolidity/ASTPrinter.h

@@ -51,6 +51,7 @@ public:
 	bool visit(VariableDeclaration const& _node) override;
 	bool visit(ModifierDefinition const& _node) override;
 	bool visit(ModifierInvocation const& _node) override;
+	bool visit(EventDefinition const& _node) override;
 	bool visit(TypeName const& _node) override;
 	bool visit(ElementaryTypeName const& _node) override;
 	bool visit(UserDefinedTypeName const& _node) override;
@@ -89,6 +90,7 @@ public:
 	void endVisit(VariableDeclaration const&) override;
 	void endVisit(ModifierDefinition const&) override;
 	void endVisit(ModifierInvocation const&) override;
+	void endVisit(EventDefinition const&) override;
 	void endVisit(TypeName const&) override;
 	void endVisit(ElementaryTypeName const&) override;
 	void endVisit(UserDefinedTypeName const&) override;

libsolidity/ASTVisitor.h

@@ -52,6 +52,7 @@ public:
 	virtual bool visit(VariableDeclaration&) { return true; }
 	virtual bool visit(ModifierDefinition&) { return true; }
 	virtual bool visit(ModifierInvocation&) { return true; }
+	virtual bool visit(EventDefinition&) { return true; }
 	virtual bool visit(TypeName&) { return true; }
 	virtual bool visit(ElementaryTypeName&) { return true; }
 	virtual bool visit(UserDefinedTypeName&) { return true; }
@@ -92,6 +93,7 @@ public:
 	virtual void endVisit(VariableDeclaration&) { }
 	virtual void endVisit(ModifierDefinition&) { }
 	virtual void endVisit(ModifierInvocation&) { }
+	virtual void endVisit(EventDefinition&) { }
 	virtual void endVisit(TypeName&) { }
 	virtual void endVisit(ElementaryTypeName&) { }
 	virtual void endVisit(UserDefinedTypeName&) { }
@@ -136,6 +138,7 @@ public:
 	virtual bool visit(VariableDeclaration const&) { return true; }
 	virtual bool visit(ModifierDefinition const&) { return true; }
 	virtual bool visit(ModifierInvocation const&) { return true; }
+	virtual bool visit(EventDefinition const&) { return true; }
 	virtual bool visit(TypeName const&) { return true; }
 	virtual bool visit(ElementaryTypeName const&) { return true; }
 	virtual bool visit(UserDefinedTypeName const&) { return true; }
@@ -176,6 +179,7 @@ public:
 	virtual void endVisit(VariableDeclaration const&) { }
 	virtual void endVisit(ModifierDefinition const&) { }
 	virtual void endVisit(ModifierInvocation const&) { }
+	virtual void endVisit(EventDefinition const&) { }
 	virtual void endVisit(TypeName const&) { }
 	virtual void endVisit(ElementaryTypeName const&) { }
 	virtual void endVisit(UserDefinedTypeName const&) { }

libsolidity/AST_accept.h

@@ -64,8 +64,9 @@ void ContractDefinition::accept(ASTVisitor& _visitor)
 		listAccept(m_baseContracts, _visitor);
 		listAccept(m_definedStructs, _visitor);
 		listAccept(m_stateVariables, _visitor);
-		listAccept(m_definedFunctions, _visitor);
+		listAccept(m_events, _visitor);
 		listAccept(m_functionModifiers, _visitor);
+		listAccept(m_definedFunctions, _visitor);
 	}
 	_visitor.endVisit(*this);
 }
@@ -77,8 +78,9 @@ void ContractDefinition::accept(ASTConstVisitor& _visitor) const
 		listAccept(m_baseContracts, _visitor);
 		listAccept(m_definedStructs, _visitor);
 		listAccept(m_stateVariables, _visitor);
-		listAccept(m_definedFunctions, _visitor);
+		listAccept(m_events, _visitor);
 		listAccept(m_functionModifiers, _visitor);
+		listAccept(m_definedFunctions, _visitor);
 	}
 	_visitor.endVisit(*this);
 }
@@ -219,6 +221,20 @@ void ModifierInvocation::accept(ASTConstVisitor& _visitor) const
 	_visitor.endVisit(*this);
 }
 
+void EventDefinition::accept(ASTVisitor& _visitor)
+{
+	if (_visitor.visit(*this))
+		m_parameters->accept(_visitor);
+	_visitor.endVisit(*this);
+}
+
+void EventDefinition::accept(ASTConstVisitor& _visitor) const
+{
+	if (_visitor.visit(*this))
+		m_parameters->accept(_visitor);
+	_visitor.endVisit(*this);
+}
+
 void TypeName::accept(ASTVisitor& _visitor)
 {
 	_visitor.visit(*this);

libsolidity/Compiler.cpp

@@ -142,11 +142,11 @@ void Compiler::appendConstructorCall(FunctionDefinition const& _constructor)
 
 void Compiler::appendFunctionSelector(ContractDefinition const& _contract)
 {
-	map<FixedHash<4>, FunctionDescription> interfaceFunctions = _contract.getInterfaceFunctions();
+	map<FixedHash<4>, FunctionTypePointer> interfaceFunctions = _contract.getInterfaceFunctions();
 	map<FixedHash<4>, const eth::AssemblyItem> callDataUnpackerEntryPoints;
 
 	// retrieve the function signature hash from the calldata
-	m_context << u256(1) << u256(0);
+	if (!interfaceFunctions.empty())
 		CompilerUtils(m_context).loadFromMemory(0, 4, false, true);
 
 	// stack now is: 1 0 <funhash>
@@ -156,15 +156,23 @@ void Compiler::appendFunctionSelector(ContractDefinition const& _contract)
 		m_context << eth::dupInstruction(1) << u256(FixedHash<4>::Arith(it.first)) << eth::Instruction::EQ;
 		m_context.appendConditionalJumpTo(callDataUnpackerEntryPoints.at(it.first));
 	}
+	if (FunctionDefinition const* fallback = _contract.getFallbackFunction())
+	{
+		eth::AssemblyItem returnTag = m_context.pushNewTag();
+		fallback->accept(*this);
+		m_context << returnTag;
+		appendReturnValuePacker(FunctionType(*fallback).getReturnParameterTypes());
+	}
+	else
 		m_context << eth::Instruction::STOP; // function not found
 
 	for (auto const& it: interfaceFunctions)
 	{
-		FunctionType const* functionType = it.second.getFunctionType();
+		FunctionTypePointer const& functionType = it.second;
 		m_context << callDataUnpackerEntryPoints.at(it.first);
 		eth::AssemblyItem returnTag = m_context.pushNewTag();
 		appendCalldataUnpacker(functionType->getParameterTypes());
-		m_context.appendJumpTo(m_context.getFunctionEntryLabel(*it.second.getDeclaration()));
+		m_context.appendJumpTo(m_context.getFunctionEntryLabel(it.second->getDeclaration()));
 		m_context << returnTag;
 		appendReturnValuePacker(functionType->getReturnParameterTypes());
 	}

libsolidity/CompilerStack.cpp

@@ -65,14 +65,14 @@ bool CompilerStack::addSource(string const& _name, string const& _content)
 {
 	bool existed = m_sources.count(_name) != 0;
 	reset(true);
-	m_sources[_name].scanner = make_shared<Scanner>(CharStream(_content), _name);
+	m_sources[_name].scanner = make_shared<Scanner>(CharStream(expanded(_content)), _name);
 	return existed;
 }
 
 void CompilerStack::setSource(string const& _sourceCode)
 {
 	reset();
-	addSource("", _sourceCode);
+	addSource("", expanded(_sourceCode));
 }
 
 void CompilerStack::parse()
@@ -126,6 +126,58 @@ vector<string> CompilerStack::getContractNames() const
 	return contractNames;
 }
 
+////// BEGIN: TEMPORARY ONLY
+///
+/// NOTE: THIS INVALIDATES SOURCE POINTERS AND CAN CRASH THE COMPILER
+///
+/// remove once import works properly and we have genesis contracts
+
+string CompilerStack::expanded(string const& _sourceCode)
+{
+	const map<string, string> c_standardSources = map<string, string>{
+		{ "Config", "contract Config{function lookup(uint256 service)constant returns(address a){}function kill(){}function unregister(uint256 id){}function register(uint256 id,address service){}}" },
+		{ "Coin", "contract Coin{function isApprovedFor(address _target,address _proxy)constant returns(bool _r){}function isApproved(address _proxy)constant returns(bool _r){}function sendCoinFrom(address _from,uint256 _val,address _to){}function coinBalanceOf(address _a)constant returns(uint256 _r){}function sendCoin(uint256 _val,address _to){}function coinBalance()constant returns(uint256 _r){}function approve(address _a){}}"},
+		{ "CoinReg", "contract CoinReg{function count()constant returns(uint256 r){}function info(uint256 i)constant returns(address addr,string3 name,uint256 denom){}function register(string3 name,uint256 denom){}function unregister(){}}" },
+		{ "coin", "#require CoinReg\ncontract coin {function coin(string3 name, uint denom) {CoinReg(Config().lookup(3)).register(name, denom);}}" },
+		{ "service", "#require Config\ncontract service{function service(uint _n){Config().register(_n, this);}}" },
+		{ "owned", "contract owned{function owned(){owner = msg.sender;}modifier onlyowner(){if(msg.sender==owner)_}address owner;}" },
+		{ "mortal", "#require owned\ncontract mortal is owned {function kill() { if (msg.sender == owner) suicide(owner); }}" },
+		{ "NameReg", "contract NameReg{function register(string32 name){}function addressOf(string32 name)constant returns(address addr){}function unregister(){}function nameOf(address addr)constant returns(string32 name){}}" },
+		{ "named", "#require Config NameReg\ncontract named {function named(string32 name) {NameReg(Config().lookup(1)).register(name);}}" },
+		{ "std", "#require owned mortal Config NameReg named" },
+	};
+
+	string sub;
+	set<string> got;
+	function<string(string const&)> localExpanded;
+	localExpanded = [&](string const& s) -> string
+	{
+		string ret = s;
+		for (size_t p = 0; p != string::npos;)
+			if ((p = ret.find("#require ")) != string::npos)
+			{
+				string n = ret.substr(p + 9, ret.find_first_of('\n', p + 9) - p - 9);
+				ret.replace(p, n.size() + 9, "");
+				vector<string> rs;
+				boost::split(rs, n, boost::is_any_of(" \t,"), boost::token_compress_on);
+				for (auto const& r: rs)
+					if (!got.count(r))
+					{
+						if (c_standardSources.count(r))
+							sub.append("\n" + localExpanded(c_standardSources.at(r)) + "\n");
+						got.insert(r);
+					}
+			}
+			// TODO: remove once we have genesis contracts.
+			else if ((p = ret.find("Config()")) != string::npos)
+				ret.replace(p, 8, "Config(0xc6d9d2cd449a754c494264e1809c50e34d64562b)");
+		return ret;
+	};
+	return sub + localExpanded(_sourceCode);
+}
+
+////// END: TEMPORARY ONLY
+
 void CompilerStack::compile(bool _optimize)
 {
 	if (!m_parseSuccessful)

libsolidity/CompilerStack.h

@@ -142,6 +142,10 @@ private:
 		Contract();
 	};
 
+	/// Expand source code with preprocessor-like includes.
+	/// @todo Replace with better framework.
+	std::string expanded(std::string const& _sourceCode);
+
 	void reset(bool _keepSources = false);
 	void resolveImports();
 

libsolidity/ExpressionCompiler.cpp

@@ -23,6 +23,7 @@
 #include <utility>
 #include <numeric>
 #include <libdevcore/Common.h>
+#include <libdevcrypto/SHA3.h>
 #include <libsolidity/AST.h>
 #include <libsolidity/ExpressionCompiler.h>
 #include <libsolidity/CompilerContext.h>
@@ -304,10 +305,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
 			m_context << eth::Instruction::SUICIDE;
 			break;
 		case Location::SHA3:
-			arguments.front()->accept(*this);
-			appendTypeConversion(*arguments.front()->getType(), *function.getParameterTypes().front(), true);
-			// @todo move this once we actually use memory
-			CompilerUtils(m_context).storeInMemory(0);
+			appendExpressionCopyToMemory(*function.getParameterTypes().front(), *arguments.front());
 			m_context << u256(32) << u256(0) << eth::Instruction::SHA3;
 			break;
 		case Location::LOG0:
@@ -317,14 +315,41 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
 		case Location::LOG4:
 		{
 			unsigned logNumber = int(function.getLocation()) - int(Location::LOG0);
-			for (int arg = logNumber; arg >= 0; --arg)
+			for (unsigned arg = logNumber; arg > 0; --arg)
 			{
 				arguments[arg]->accept(*this);
 				appendTypeConversion(*arguments[arg]->getType(), *function.getParameterTypes()[arg], true);
 			}
-			// @todo move this once we actually use memory
-			CompilerUtils(m_context).storeInMemory(0);
-			m_context << u256(32) << u256(0) << eth::logInstruction(logNumber);
+			unsigned length = appendExpressionCopyToMemory(*function.getParameterTypes().front(),
+														   *arguments.front());
+			solAssert(length == 32, "Log data should be 32 bytes long (for now).");
+			m_context << u256(length) << u256(0) << eth::logInstruction(logNumber);
+			break;
+		}
+		case Location::EVENT:
+		{
+			_functionCall.getExpression().accept(*this);
+			auto const& event = dynamic_cast<EventDefinition const&>(function.getDeclaration());
+			// Copy all non-indexed arguments to memory (data)
+			unsigned numIndexed = 0;
+			unsigned memLength = 0;
+			for (unsigned arg = 0; arg < arguments.size(); ++arg)
+				if (!event.getParameters()[arg]->isIndexed())
+					memLength += appendExpressionCopyToMemory(*function.getParameterTypes()[arg],
+															  *arguments[arg], memLength);
+			// All indexed arguments go to the stack
+			for (unsigned arg = arguments.size(); arg > 0; --arg)
+				if (event.getParameters()[arg - 1]->isIndexed())
+				{
+					++numIndexed;
+					arguments[arg - 1]->accept(*this);
+					appendTypeConversion(*arguments[arg - 1]->getType(),
+										 *function.getParameterTypes()[arg - 1], true);
+				}
+			m_context << u256(h256::Arith(dev::sha3(function.getCanonicalSignature(event.getName()))));
+			++numIndexed;
+			solAssert(numIndexed <= 4, "Too many indexed arguments.");
+			m_context << u256(memLength) << u256(0) << eth::logInstruction(numIndexed);
 			break;
 		}
 		case Location::BLOCKHASH:
@@ -459,14 +484,13 @@ void ExpressionCompiler::endVisit(MemberAccess const& _memberAccess)
 bool ExpressionCompiler::visit(IndexAccess const& _indexAccess)
 {
 	_indexAccess.getBaseExpression().accept(*this);
-	_indexAccess.getIndexExpression().accept(*this);
-	appendTypeConversion(*_indexAccess.getIndexExpression().getType(),
-						 *dynamic_cast<MappingType const&>(*_indexAccess.getBaseExpression().getType()).getKeyType(),
-						 true);
+
+	TypePointer const& keyType = dynamic_cast<MappingType const&>(*_indexAccess.getBaseExpression().getType()).getKeyType();
+	unsigned length = appendExpressionCopyToMemory(*keyType, _indexAccess.getIndexExpression());
+	solAssert(length == 32, "Mapping key has to take 32 bytes in memory (for now).");
 	// @todo move this once we actually use memory
-	CompilerUtils(m_context).storeInMemory(0);
-	CompilerUtils(m_context).storeInMemory(32);
-	m_context << u256(64) << u256(0) << eth::Instruction::SHA3;
+	length += CompilerUtils(m_context).storeInMemory(length);
+	m_context << u256(length) << u256(0) << eth::Instruction::SHA3;
 
 	m_currentLValue = LValue(m_context, LValue::STORAGE, *_indexAccess.getType());
 	m_currentLValue.retrieveValueIfLValueNotRequested(_indexAccess);
@@ -495,6 +519,10 @@ void ExpressionCompiler::endVisit(Identifier const& _identifier)
 	{
 		// no-op
 	}
+	else if (dynamic_cast<EventDefinition const*>(declaration))
+	{
+		// no-op
+	}
 	else
 	{
 		BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Identifier type not expected in expression context."));
@@ -791,20 +819,23 @@ unsigned ExpressionCompiler::appendArgumentCopyToMemory(TypePointers const& _typ
 {
 	unsigned length = 0;
 	for (unsigned i = 0; i < _arguments.size(); ++i)
+		length += appendExpressionCopyToMemory(*_types[i], *_arguments[i], _memoryOffset + length);
+	return length;
+}
+
+unsigned ExpressionCompiler::appendExpressionCopyToMemory(Type const& _expectedType,
+														  Expression const& _expression, unsigned _memoryOffset)
 {
-		_arguments[i]->accept(*this);
-		appendTypeConversion(*_arguments[i]->getType(), *_types[i], true);
-		unsigned const c_numBytes = _types[i]->getCalldataEncodedSize();
+	_expression.accept(*this);
+	appendTypeConversion(*_expression.getType(), _expectedType, true);
+	unsigned const c_numBytes = CompilerUtils::getPaddedSize(_expectedType.getCalldataEncodedSize());
 	if (c_numBytes == 0 || c_numBytes > 32)
 		BOOST_THROW_EXCEPTION(CompilerError()
-								  << errinfo_sourceLocation(_arguments[i]->getLocation())
-								  << errinfo_comment("Type " + _types[i]->toString() + " not yet supported."));
-		bool const c_leftAligned = _types[i]->getCategory() == Type::Category::STRING;
+							  << errinfo_sourceLocation(_expression.getLocation())
+							  << errinfo_comment("Type " + _expectedType.toString() + " not yet supported."));
+	bool const c_leftAligned = _expectedType.getCategory() == Type::Category::STRING;
 	bool const c_padToWords = true;
-		length += CompilerUtils(m_context).storeInMemory(_memoryOffset + length, c_numBytes,
-														 c_leftAligned, c_padToWords);
-	}
-	return length;
+	return CompilerUtils(m_context).storeInMemory(_memoryOffset, c_numBytes, c_leftAligned, c_padToWords);
 }
 
 void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const& _varDecl)

libsolidity/ExpressionCompiler.h

@@ -94,7 +94,12 @@ private:
 									bool bare = false);
 	/// Appends code that copies the given arguments to memory (with optional offset).
 	/// @returns the number of bytes copied to memory
-	unsigned appendArgumentCopyToMemory(TypePointers const& _functionType, std::vector<ASTPointer<Expression const>> const& _arguments,
+	unsigned appendArgumentCopyToMemory(TypePointers const& _types,
+										std::vector<ASTPointer<Expression const>> const& _arguments,
+										unsigned _memoryOffset = 0);
+	/// Appends code that evaluates a single expression and copies it to memory (with optional offset).
+	/// @returns the number of bytes copied to memory
+	unsigned appendExpressionCopyToMemory(Type const& _expectedType, Expression const& _expression,
 										  unsigned _memoryOffset = 0);
 
 	/// Appends code for a State Variable accessor function

libsolidity/InterfaceHandler.cpp

@@ -37,34 +37,52 @@ std::unique_ptr<std::string> InterfaceHandler::getDocumentation(ContractDefiniti
 
 std::unique_ptr<std::string> InterfaceHandler::getABIInterface(ContractDefinition const& _contractDef)
 {
-	Json::Value methods(Json::arrayValue);
-
+	Json::Value abi(Json::arrayValue);
 	for (auto const& it: _contractDef.getInterfaceFunctions())
 	{
+		auto populateParameters = [](vector<string> const& _paramNames, vector<string> const& _paramTypes)
+		{
+			Json::Value params(Json::arrayValue);
+			solAssert(_paramNames.size() == _paramTypes.size(), "Names and types vector size does not match");
+			for (unsigned i = 0; i < _paramNames.size(); ++i)
+			{
+				Json::Value param;
+				param["name"] = _paramNames[i];
+				param["type"] = _paramTypes[i];
+				params.append(param);
+			}
+			return params;
+		};
+
 		Json::Value method;
-		Json::Value inputs(Json::arrayValue);
-		Json::Value outputs(Json::arrayValue);
+		method["type"] = "function";
+		method["name"] = it.second->getDeclaration().getName();
+		method["constant"] = it.second->isConstant();
+		method["inputs"] = populateParameters(it.second->getParameterNames(),
+											  it.second->getParameterTypeNames());
+		method["outputs"] = populateParameters(it.second->getReturnParameterNames(),
+											   it.second->getReturnParameterTypeNames());
+		abi.append(method);
+	}
 
-		auto populateParameters = [](vector<ParamDescription> const& _params)
+	for (auto const& it: _contractDef.getInterfaceEvents())
 	{
+		Json::Value event;
+		event["type"] = "event";
+		event["name"] = it->getName();
 		Json::Value params(Json::arrayValue);
-			for (auto const& param: _params)
+		for (auto const& p: it->getParameters())
 		{
 			Json::Value input;
-				input["name"] = param.getName();
-				input["type"] = param.getType();
+			input["name"] = p->getName();
+			input["type"] = p->getType()->toString();
+			input["indexed"] = p->isIndexed();
 			params.append(input);
 		}
-			return params;
-		};
-
-		method["name"] = it.second.getName();
-		method["constant"] = it.second.isConstant();
-		method["inputs"] = populateParameters(it.second.getParameters());
-		method["outputs"] = populateParameters(it.second.getReturnParameters());
-		methods.append(method);
+		event["inputs"] = params;
+		abi.append(event);
 	}
-	return std::unique_ptr<std::string>(new std::string(m_writer.write(methods)));
+	return std::unique_ptr<std::string>(new std::string(m_writer.write(abi)));
 }
 
 unique_ptr<string> InterfaceHandler::getABISolidityInterface(ContractDefinition const& _contractDef)
@@ -72,20 +90,34 @@ unique_ptr<string> InterfaceHandler::getABISolidityInterface(ContractDefinition
 	string ret = "contract " + _contractDef.getName() + "{";
 	for (auto const& it: _contractDef.getInterfaceFunctions())
 	{
-		auto populateParameters = [](vector<ParamDescription> const& _params)
+		auto populateParameters = [](vector<string> const& _paramNames,
+									 vector<string> const& _paramTypes)
 		{
 			string r = "";
-			for (auto const& param: _params)
-				r += (r.size() ? "," : "(") + param.getType() + " " + param.getName();
+			solAssert(_paramNames.size() == _paramTypes.size(), "Names and types vector size does not match");
+			for (unsigned i = 0; i < _paramNames.size(); ++i)
+				r += (r.size() ? "," : "(") + _paramTypes[i] + " " + _paramNames[i];
 			return r.size() ? r + ")" : "()";
 		};
-		ret += "function " + it.second.getName() + populateParameters(it.second.getParameters()) + (it.second.isConstant() ? "constant " : "");
-		if (it.second.getReturnParameters().size())
-			ret += "returns" + populateParameters(it.second.getReturnParameters());
+		ret += "function " + it.second->getDeclaration().getName() +
+			populateParameters(it.second->getParameterNames(), it.second->getParameterTypeNames()) +
+			(it.second->isConstant() ? "constant " : "");
+		if (it.second->getReturnParameterTypes().size())
+			ret += "returns" + populateParameters(it.second->getReturnParameterNames(), it.second->getReturnParameterTypeNames());
 		else if (ret.back() == ' ')
 			ret.pop_back();
 		ret += "{}";
 	}
+	for (auto const& it: _contractDef.getInterfaceEvents())
+	{
+		std::string params;
+		for (auto const& p: it->getParameters())
+			params += (params.empty() ? "(" : ",") + p->getType()->toString() + (p->isIndexed() ? " indexed " : " ") + p->getName();
+		if (!params.empty())
+			params += ")";
+
+		ret += "event " + it->getName() + params + ";";
+	}
 	return unique_ptr<string>(new string(ret + "}"));
 }
 
@@ -97,7 +129,7 @@ std::unique_ptr<std::string> InterfaceHandler::getUserDocumentation(ContractDefi
 	for (auto const& it: _contractDef.getInterfaceFunctions())
 	{
 		Json::Value user;
-		auto strPtr = it.second.getDocumentation();
+		auto strPtr = it.second->getDocumentation();
 		if (strPtr)
 		{
 			resetUser();
@@ -105,7 +137,7 @@ std::unique_ptr<std::string> InterfaceHandler::getUserDocumentation(ContractDefi
 			if (!m_notice.empty())
 			{// since @notice is the only user tag if missing function should not appear
 				user["notice"] = Json::Value(m_notice);
-				methods[it.second.getSignature()] = user;
+				methods[it.second->getCanonicalSignature()] = user;
 			}
 		}
 	}
@@ -138,7 +170,7 @@ std::unique_ptr<std::string> InterfaceHandler::getDevDocumentation(ContractDefin
 	for (auto const& it: _contractDef.getInterfaceFunctions())
 	{
 		Json::Value method;
-		auto strPtr = it.second.getDocumentation();
+		auto strPtr = it.second->getDocumentation();
 		if (strPtr)
 		{
 			resetDev();
@@ -161,7 +193,7 @@ std::unique_ptr<std::string> InterfaceHandler::getDevDocumentation(ContractDefin
 				method["return"] = m_return;
 
 			if (!method.empty()) // add the function, only if we have any documentation to add
-				methods[it.second.getSignature()] = method;
+				methods[it.second->getCanonicalSignature()] = method;
 		}
 	}
 	doc["methods"] = methods;

libsolidity/NameAndTypeResolver.cpp

@@ -60,6 +60,8 @@ void NameAndTypeResolver::resolveNamesAndTypes(ContractDefinition& _contract)
 		ReferencesResolver resolver(*structDef, *this, &_contract, nullptr);
 	for (ASTPointer<VariableDeclaration> const& variable: _contract.getStateVariables())
 		ReferencesResolver resolver(*variable, *this, &_contract, nullptr);
+	for (ASTPointer<EventDefinition> const& event: _contract.getEvents())
+		ReferencesResolver resolver(*event, *this, &_contract, nullptr);
 	for (ASTPointer<ModifierDefinition> const& modifier: _contract.getFunctionModifiers())
 	{
 		m_currentScope = &m_scopes[modifier.get()];
@@ -259,6 +261,17 @@ bool DeclarationRegistrationHelper::visit(VariableDeclaration& _declaration)
 	return true;
 }
 
+bool DeclarationRegistrationHelper::visit(EventDefinition& _event)
+{
+	registerDeclaration(_event, true);
+	return true;
+}
+
+void DeclarationRegistrationHelper::endVisit(EventDefinition&)
+{
+	closeCurrentScope();
+}
+
 void DeclarationRegistrationHelper::enterNewSubScope(Declaration const& _declaration)
 {
 	map<ASTNode const*, DeclarationContainer>::iterator iter;

libsolidity/NameAndTypeResolver.h

@@ -94,16 +94,18 @@ public:
 	DeclarationRegistrationHelper(std::map<ASTNode const*, DeclarationContainer>& _scopes, ASTNode& _astRoot);
 
 private:
-	bool visit(ContractDefinition& _contract);
-	void endVisit(ContractDefinition& _contract);
-	bool visit(StructDefinition& _struct);
-	void endVisit(StructDefinition& _struct);
-	bool visit(FunctionDefinition& _function);
-	void endVisit(FunctionDefinition& _function);
-	bool visit(ModifierDefinition& _modifier);
-	void endVisit(ModifierDefinition& _modifier);
-	void endVisit(VariableDefinition& _variableDefinition);
-	bool visit(VariableDeclaration& _declaration);
+	bool visit(ContractDefinition& _contract) override;
+	void endVisit(ContractDefinition& _contract) override;
+	bool visit(StructDefinition& _struct) override;
+	void endVisit(StructDefinition& _struct) override;
+	bool visit(FunctionDefinition& _function) override;
+	void endVisit(FunctionDefinition& _function) override;
+	bool visit(ModifierDefinition& _modifier) override;
+	void endVisit(ModifierDefinition& _modifier) override;
+	void endVisit(VariableDefinition& _variableDefinition) override;
+	bool visit(VariableDeclaration& _declaration) override;
+	bool visit(EventDefinition& _event) override;
+	void endVisit(EventDefinition& _event) override;
 
 	void enterNewSubScope(Declaration const& _declaration);
 	void closeCurrentScope();

libsolidity/Parser.cpp

@@ -122,6 +122,7 @@ ASTPointer<ContractDefinition> Parser::parseContractDefinition()
 	vector<ASTPointer<VariableDeclaration>> stateVariables;
 	vector<ASTPointer<FunctionDefinition>> functions;
 	vector<ASTPointer<ModifierDefinition>> modifiers;
+	vector<ASTPointer<EventDefinition>> events;
 	if (m_scanner->getCurrentToken() == Token::IS)
 		do
 		{
@@ -149,19 +150,23 @@ ASTPointer<ContractDefinition> Parser::parseContractDefinition()
 		else if (currentToken == Token::IDENTIFIER || currentToken == Token::MAPPING ||
 				 Token::isElementaryTypeName(currentToken))
 		{
-			bool const allowVar = false;
-			stateVariables.push_back(parseVariableDeclaration(allowVar, visibilityIsPublic, true));
+			VarDeclParserOptions options;
+			options.isPublic = visibilityIsPublic;
+			options.isStateVariable = true;
+			stateVariables.push_back(parseVariableDeclaration(options));
 			expectToken(Token::SEMICOLON);
 		}
 		else if (currentToken == Token::MODIFIER)
 			modifiers.push_back(parseModifierDefinition());
+		else if (currentToken == Token::EVENT)
+			events.push_back(parseEventDefinition());
 		else
 			BOOST_THROW_EXCEPTION(createParserError("Function, variable, struct or modifier declaration expected."));
 	}
 	nodeFactory.markEndPosition();
 	expectToken(Token::RBRACE);
 	return nodeFactory.createNode<ContractDefinition>(name, docString, baseContracts, structs,
-													  stateVariables, functions, modifiers);
+													  stateVariables, functions, modifiers, events);
 }
 
 ASTPointer<InheritanceSpecifier> Parser::parseInheritanceSpecifier()
@@ -189,7 +194,11 @@ ASTPointer<FunctionDefinition> Parser::parseFunctionDefinition(bool _isPublic, A
 		docstring = make_shared<ASTString>(m_scanner->getCurrentCommentLiteral());
 
 	expectToken(Token::FUNCTION);
-	ASTPointer<ASTString> name(expectIdentifierToken());
+	ASTPointer<ASTString> name;
+	if (m_scanner->getCurrentToken() == Token::LPAREN)
+		name = make_shared<ASTString>(); // anonymous function
+	else
+		name = expectIdentifierToken();
 	ASTPointer<ParameterList> parameters(parseParameterList());
 	bool isDeclaredConst = false;
 	vector<ASTPointer<ModifierInvocation>> modifiers;
@@ -213,12 +222,7 @@ ASTPointer<FunctionDefinition> Parser::parseFunctionDefinition(bool _isPublic, A
 		returnParameters = parseParameterList(permitEmptyParameterList);
 	}
 	else
-	{
-		// create an empty parameter list at a zero-length location
-		ASTNodeFactory nodeFactory(*this);
-		nodeFactory.setLocationEmpty();
-		returnParameters = nodeFactory.createNode<ParameterList>(vector<ASTPointer<VariableDeclaration>>());
-	}
+		returnParameters = createEmptyParameterList();
 	ASTPointer<Block> block = parseBlock();
 	nodeFactory.setEndPositionFromNode(block);
 	bool const c_isConstructor = (_contractName && *name == *_contractName);
@@ -236,8 +240,7 @@ ASTPointer<StructDefinition> Parser::parseStructDefinition()
 	expectToken(Token::LBRACE);
 	while (m_scanner->getCurrentToken() != Token::RBRACE)
 	{
-		bool const allowVar = false;
-		members.push_back(parseVariableDeclaration(allowVar));
+		members.push_back(parseVariableDeclaration());
 		expectToken(Token::SEMICOLON);
 	}
 	nodeFactory.markEndPosition();
@@ -245,12 +248,20 @@ ASTPointer<StructDefinition> Parser::parseStructDefinition()
 	return nodeFactory.createNode<StructDefinition>(name, members);
 }
 
-ASTPointer<VariableDeclaration> Parser::parseVariableDeclaration(bool _allowVar, bool _isPublic, bool _isStateVariable)
+ASTPointer<VariableDeclaration> Parser::parseVariableDeclaration(VarDeclParserOptions const& _options)
 {
 	ASTNodeFactory nodeFactory(*this);
-	ASTPointer<TypeName> type = parseTypeName(_allowVar);
+	ASTPointer<TypeName> type = parseTypeName(_options.allowVar);
+	bool isIndexed = false;
+	if (_options.allowIndexed && m_scanner->getCurrentToken() == Token::INDEXED)
+	{
+		isIndexed = true;
+		m_scanner->next();
+	}
 	nodeFactory.markEndPosition();
-	return nodeFactory.createNode<VariableDeclaration>(type, expectIdentifierToken(), _isPublic, _isStateVariable);
+	return nodeFactory.createNode<VariableDeclaration>(type, expectIdentifierToken(),
+													   _options.isPublic, _options.isStateVariable,
+													   isIndexed);
 }
 
 ASTPointer<ModifierDefinition> Parser::parseModifierDefinition()
@@ -269,17 +280,31 @@ ASTPointer<ModifierDefinition> Parser::parseModifierDefinition()
 	if (m_scanner->getCurrentToken() == Token::LPAREN)
 		parameters = parseParameterList();
 	else
-	{
-		// create an empty parameter list at a zero-length location
-		ASTNodeFactory nodeFactory(*this);
-		nodeFactory.setLocationEmpty();
-		parameters = nodeFactory.createNode<ParameterList>(vector<ASTPointer<VariableDeclaration>>());
-	}
+		parameters = createEmptyParameterList();
 	ASTPointer<Block> block = parseBlock();
 	nodeFactory.setEndPositionFromNode(block);
 	return nodeFactory.createNode<ModifierDefinition>(name, docstring, parameters, block);
 }
 
+ASTPointer<EventDefinition> Parser::parseEventDefinition()
+{
+	ASTNodeFactory nodeFactory(*this);
+	ASTPointer<ASTString> docstring;
+	if (m_scanner->getCurrentCommentLiteral() != "")
+		docstring = make_shared<ASTString>(m_scanner->getCurrentCommentLiteral());
+
+	expectToken(Token::EVENT);
+	ASTPointer<ASTString> name(expectIdentifierToken());
+	ASTPointer<ParameterList> parameters;
+	if (m_scanner->getCurrentToken() == Token::LPAREN)
+		parameters = parseParameterList(true, true);
+	else
+		parameters = createEmptyParameterList();
+	nodeFactory.markEndPosition();
+	expectToken(Token::SEMICOLON);
+	return nodeFactory.createNode<EventDefinition>(name, docstring, parameters);
+}
+
 ASTPointer<ModifierInvocation> Parser::parseModifierInvocation()
 {
 	ASTNodeFactory nodeFactory(*this);
@@ -352,19 +377,20 @@ ASTPointer<Mapping> Parser::parseMapping()
 	return nodeFactory.createNode<Mapping>(keyType, valueType);
 }
 
-ASTPointer<ParameterList> Parser::parseParameterList(bool _allowEmpty)
+ASTPointer<ParameterList> Parser::parseParameterList(bool _allowEmpty, bool _allowIndexed)
 {
 	ASTNodeFactory nodeFactory(*this);
 	vector<ASTPointer<VariableDeclaration>> parameters;
+	VarDeclParserOptions options;
+	options.allowIndexed = _allowIndexed;
 	expectToken(Token::LPAREN);
 	if (!_allowEmpty || m_scanner->getCurrentToken() != Token::RPAREN)
 	{
-		bool const allowVar = false;
-		parameters.push_back(parseVariableDeclaration(allowVar));
+		parameters.push_back(parseVariableDeclaration(options));
 		while (m_scanner->getCurrentToken() != Token::RPAREN)
 		{
 			expectToken(Token::COMMA);
-			parameters.push_back(parseVariableDeclaration(allowVar));
+			parameters.push_back(parseVariableDeclaration(options));
 		}
 	}
 	nodeFactory.markEndPosition();
@@ -506,8 +532,9 @@ ASTPointer<Statement> Parser::parseVarDefOrExprStmt()
 ASTPointer<VariableDefinition> Parser::parseVariableDefinition()
 {
 	ASTNodeFactory nodeFactory(*this);
-	bool const allowVar = true;
-	ASTPointer<VariableDeclaration> variable = parseVariableDeclaration(allowVar);
+	VarDeclParserOptions options;
+	options.allowVar = true;
+	ASTPointer<VariableDeclaration> variable = parseVariableDeclaration(options);
 	ASTPointer<Expression> value;
 	if (m_scanner->getCurrentToken() == Token::ASSIGN)
 	{
@@ -736,6 +763,13 @@ ASTPointer<ASTString> Parser::getLiteralAndAdvance()
 	return identifier;
 }
 
+ASTPointer<ParameterList> Parser::createEmptyParameterList()
+{
+	ASTNodeFactory nodeFactory(*this);
+	nodeFactory.setLocationEmpty();
+	return nodeFactory.createNode<ParameterList>(vector<ASTPointer<VariableDeclaration>>());
+}
+
 ParserError Parser::createParserError(string const& _description) const
 {
 	return ParserError() << errinfo_sourceLocation(Location(getPosition(), getPosition(), getSourceName()))

libsolidity/Parser.h

@@ -45,6 +45,14 @@ private:
 	/// End position of the current token
 	int getEndPosition() const;
 
+	struct VarDeclParserOptions {
+		VarDeclParserOptions() {}
+		bool allowVar = false;
+		bool isPublic = false;
+		bool isStateVariable = false;
+		bool allowIndexed = false;
+	};
+
 	///@{
 	///@name Parsing functions for the AST nodes
 	ASTPointer<ImportDirective> parseImportDirective();
@@ -52,13 +60,14 @@ private:
 	ASTPointer<InheritanceSpecifier> parseInheritanceSpecifier();
 	ASTPointer<FunctionDefinition> parseFunctionDefinition(bool _isPublic, ASTString const* _contractName);
 	ASTPointer<StructDefinition> parseStructDefinition();
-	ASTPointer<VariableDeclaration> parseVariableDeclaration(bool _allowVar, bool _isPublic = false, bool _isStateVar = false);
+	ASTPointer<VariableDeclaration> parseVariableDeclaration(VarDeclParserOptions const& _options = VarDeclParserOptions());
 	ASTPointer<ModifierDefinition> parseModifierDefinition();
+	ASTPointer<EventDefinition> parseEventDefinition();
 	ASTPointer<ModifierInvocation> parseModifierInvocation();
 	ASTPointer<Identifier> parseIdentifier();
 	ASTPointer<TypeName> parseTypeName(bool _allowVar);
 	ASTPointer<Mapping> parseMapping();
-	ASTPointer<ParameterList> parseParameterList(bool _allowEmpty = true);
+	ASTPointer<ParameterList> parseParameterList(bool _allowEmpty = true, bool _allowIndexed = false);
 	ASTPointer<Block> parseBlock();
 	ASTPointer<Statement> parseStatement();
 	ASTPointer<IfStatement> parseIfStatement();
@@ -88,6 +97,9 @@ private:
 	ASTPointer<ASTString> getLiteralAndAdvance();
 	///@}
 
+	/// Creates an empty ParameterList at the current location (used if parameters can be omitted).
+	ASTPointer<ParameterList> createEmptyParameterList();
+
 	/// Creates a @ref ParserError exception and annotates it with the current position and the
 	/// given @a _description.
 	ParserError createParserError(std::string const& _description) const;

libsolidity/Token.h

@@ -153,7 +153,9 @@ namespace solidity
 	K(DEFAULT, "default", 0)                                           \
 	K(DO, "do", 0)                                                     \
 	K(ELSE, "else", 0)                                                 \
+	K(EVENT, "event", 0)                                               \
 	K(IS, "is", 0)                                                     \
+	K(INDEXED, "indexed", 0)                                           \
 	K(FOR, "for", 0)                                                   \
 	K(FUNCTION, "function", 0)                                         \
 	K(IF, "if", 0)                                                     \

libsolidity/Types.cpp

@@ -494,12 +494,12 @@ MemberList const& ContractType::getMembers() const
 		{
 			for (ContractDefinition const* base: m_contract.getLinearizedBaseContracts())
 				for (ASTPointer<FunctionDefinition> const& function: base->getDefinedFunctions())
-					if (!function->isConstructor())
+					if (!function->isConstructor() && !function->getName().empty())
 						members.insert(make_pair(function->getName(), make_shared<FunctionType>(*function, true)));
 		}
 		else
 			for (auto const& it: m_contract.getInterfaceFunctions())
-				members[it.second.getName()] = it.second.getFunctionTypeShared();
+				members[it.second->getDeclaration().getName()] = it.second;
 		m_members.reset(new MemberList(members));
 	}
 	return *m_members;
@@ -522,7 +522,7 @@ u256 ContractType::getFunctionIdentifier(string const& _functionName) const
 {
 	auto interfaceFunctions = m_contract.getInterfaceFunctions();
 	for (auto const& it: m_contract.getInterfaceFunctions())
-		if (it.second.getName() == _functionName)
+		if (it.second->getDeclaration().getName() == _functionName)
 			return FixedHash<4>::Arith(it.first);
 
 	return Invalid256;
@@ -589,12 +589,15 @@ u256 StructType::getStorageOffsetOfMember(string const& _name) const
 }
 
 FunctionType::FunctionType(FunctionDefinition const& _function, bool _isInternal):
-	m_location(_isInternal ? Location::INTERNAL : Location::EXTERNAL)
+	m_location(_isInternal ? Location::INTERNAL : Location::EXTERNAL),
+	m_isConstant(_function.isDeclaredConst()),
+	m_declaration(&_function)
 {
 	TypePointers params;
 	vector<string> paramNames;
 	TypePointers retParams;
 	vector<string> retParamNames;
+
 	params.reserve(_function.getParameters().size());
 	paramNames.reserve(_function.getParameters().size());
 	for (ASTPointer<VariableDeclaration> const& var: _function.getParameters())
@@ -616,7 +619,7 @@ FunctionType::FunctionType(FunctionDefinition const& _function, bool _isInternal
 }
 
 FunctionType::FunctionType(VariableDeclaration const& _varDecl):
-	m_location(Location::EXTERNAL)
+	m_location(Location::EXTERNAL), m_isConstant(true), m_declaration(&_varDecl)
 {
 	TypePointers params({});
 	vector<string> paramNames({});
@@ -630,6 +633,22 @@ FunctionType::FunctionType(VariableDeclaration const& _varDecl):
 	swap(retParamNames, m_returnParameterNames);
 }
 
+FunctionType::FunctionType(const EventDefinition& _event):
+	m_location(Location::EVENT), m_declaration(&_event)
+{
+	TypePointers params;
+	vector<string> paramNames;
+	params.reserve(_event.getParameters().size());
+	paramNames.reserve(_event.getParameters().size());
+	for (ASTPointer<VariableDeclaration> const& var: _event.getParameters())
+	{
+		paramNames.push_back(var->getName());
+		params.push_back(var->getType());
+	}
+	swap(params, m_parameterTypes);
+	swap(paramNames, m_parameterNames);
+}
+
 bool FunctionType::operator==(Type const& _other) const
 {
 	if (_other.getCategory() != getCategory())
@@ -638,6 +657,9 @@ bool FunctionType::operator==(Type const& _other) const
 
 	if (m_location != other.m_location)
 		return false;
+	if (m_isConstant != other.isConstant())
+		return false;
+
 	if (m_parameterTypes.size() != other.m_parameterTypes.size() ||
 			m_returnParameterTypes.size() != other.m_returnParameterTypes.size())
 		return false;
@@ -711,7 +733,13 @@ MemberList const& FunctionType::getMembers() const
 
 string FunctionType::getCanonicalSignature(std::string const& _name) const
 {
-	string ret = _name + "(";
+	std::string funcName = _name;
+	if (_name == "")
+	{
+		solAssert(m_declaration != nullptr, "Function type without name needs a declaration");
+		funcName = m_declaration->getName();
+	}
+	string ret = funcName + "(";
 
 	for (auto it = m_parameterTypes.cbegin(); it != m_parameterTypes.cend(); ++it)
 		ret += (*it)->toString() + (it + 1 == m_parameterTypes.cend() ? "" : ",");
@@ -734,6 +762,33 @@ TypePointer FunctionType::copyAndSetGasOrValue(bool _setGas, bool _setValue) con
 									 m_gasSet || _setGas, m_valueSet || _setValue);
 }
 
+vector<string> const FunctionType::getParameterTypeNames() const
+{
+	vector<string> names;
+	for (TypePointer const& t: m_parameterTypes)
+		names.push_back(t->toString());
+
+	return names;
+}
+
+vector<string> const FunctionType::getReturnParameterTypeNames() const
+{
+	vector<string> names;
+	for (TypePointer const& t: m_returnParameterTypes)
+		names.push_back(t->toString());
+
+	return names;
+}
+
+ASTPointer<ASTString> FunctionType::getDocumentation() const
+{
+	auto function = dynamic_cast<Documented const*>(m_declaration);
+	if (function)
+		return function->getDocumentation();
+
+	return ASTPointer<ASTString>();
+}
+
 bool MappingType::operator==(Type const& _other) const
 {
 	if (_other.getCategory() != getCategory())
@@ -769,7 +824,7 @@ MemberList const& TypeType::getMembers() const
 				// We are accessing the type of a base contract, so add all public and private
 				// functions. Note that this does not add inherited functions on purpose.
 				for (ASTPointer<FunctionDefinition> const& f: contract.getDefinedFunctions())
-					if (!f->isConstructor())
+					if (!f->isConstructor() && !f->getName().empty())
 						members[f->getName()] = make_shared<FunctionType>(*f);
 		}
 		m_members.reset(new MemberList(members));

libsolidity/Types.h

@@ -41,6 +41,7 @@ namespace solidity
 class Type; // forward
 class FunctionType; // forward
 using TypePointer = std::shared_ptr<Type const>;
+using FunctionTypePointer = std::shared_ptr<FunctionType const>;
 using TypePointers = std::vector<TypePointer>;
 
 /**
@@ -295,7 +296,7 @@ public:
 
 	/// Returns the function type of the constructor. Note that the location part of the function type
 	/// is not used, as this type cannot be the type of a variable or expression.
-	std::shared_ptr<FunctionType const> const& getConstructorType() const;
+	FunctionTypePointer const& getConstructorType() const;
 
 	/// @returns the identifier of the function with the given name or Invalid256 if such a name does
 	/// not exist.
@@ -307,7 +308,7 @@ private:
 	/// members.
 	bool m_super;
 	/// Type of the constructor, @see getConstructorType. Lazily initialized.
-	mutable std::shared_ptr<FunctionType const> m_constructorType;
+	mutable FunctionTypePointer m_constructorType;
 	/// List of member types, will be lazy-initialized because of recursive references.
 	mutable std::unique_ptr<MemberList> m_members;
 };
@@ -349,16 +350,18 @@ public:
 	/// INTERNAL: jump tag, EXTERNAL: contract address + function identifier,
 	/// BARE: contract address (non-abi contract call)
 	/// OTHERS: special virtual function, nothing on the stack
+	/// @todo This documentation is outdated, and Location should rather be named "Type"
 	enum class Location { INTERNAL, EXTERNAL, CREATION, SEND,
 						  SHA3, SUICIDE,
 						  ECRECOVER, SHA256, RIPEMD160,
-						  LOG0, LOG1, LOG2, LOG3, LOG4,
+						  LOG0, LOG1, LOG2, LOG3, LOG4, EVENT,
 						  SET_GAS, SET_VALUE, BLOCKHASH,
 						  BARE };
 
 	virtual Category getCategory() const override { return Category::FUNCTION; }
 	explicit FunctionType(FunctionDefinition const& _function, bool _isInternal = true);
 	explicit FunctionType(VariableDeclaration const& _varDecl);
+	explicit FunctionType(EventDefinition const& _event);
 	FunctionType(strings const& _parameterTypes, strings const& _returnParameterTypes,
 				 Location _location = Location::INTERNAL):
 		FunctionType(parseElementaryTypeVector(_parameterTypes), parseElementaryTypeVector(_returnParameterTypes),
@@ -371,8 +374,10 @@ public:
 
 	TypePointers const& getParameterTypes() const { return m_parameterTypes; }
 	std::vector<std::string> const& getParameterNames() const { return m_parameterNames; }
+	std::vector<std::string> const getParameterTypeNames() const;
 	TypePointers const& getReturnParameterTypes() const { return m_returnParameterTypes; }
 	std::vector<std::string> const& getReturnParameterNames() const { return m_returnParameterNames; }
+	std::vector<std::string> const getReturnParameterTypeNames() const;
 
 	virtual bool operator==(Type const& _other) const override;
 	virtual std::string toString() const override;
@@ -383,7 +388,20 @@ public:
 	virtual MemberList const& getMembers() const override;
 
 	Location const& getLocation() const { return m_location; }
-	std::string getCanonicalSignature(std::string const& _name) const;
+	/// @returns the canonical signature of this function type given the function name
+	/// If @a _name is not provided (empty string) then the @c m_declaration member of the
+	/// function type is used
+	std::string getCanonicalSignature(std::string const& _name = "") const;
+	Declaration const& getDeclaration() const
+	{
+		solAssert(m_declaration, "Requested declaration from a FunctionType that has none");
+		return *m_declaration;
+	}
+	bool hasDeclaration() const { return !!m_declaration; }
+	bool isConstant() const { return m_isConstant; }
+	/// @return A shared pointer of an ASTString.
+	/// Can contain a nullptr in which case indicates absence of documentation
+	ASTPointer<ASTString> getDocumentation() const;
 
 	bool gasSet() const { return m_gasSet; }
 	bool valueSet() const { return m_valueSet; }
@@ -402,7 +420,9 @@ private:
 	Location const m_location;
 	bool const m_gasSet = false; ///< true iff the gas value to be used is on the stack
 	bool const m_valueSet = false; ///< true iff the value to be sent is on the stack
+	bool m_isConstant;
 	mutable std::unique_ptr<MemberList> m_members;
+	Declaration const* m_declaration = nullptr;
 };
 
 /**

libweb3jsonrpc/WebThreeStubServerBase.cpp

@@ -77,7 +77,7 @@ static Json::Value toJson(dev::eth::LocalisedLogEntry const& _e)
 	res["data"] = jsFromBinary(_e.data);
 	res["address"] = toJS(_e.address);
 	for (auto const& t: _e.topics)
-		res["topics"].append(toJS(t));
+		res["topic"].append(toJS(t));
 	res["number"] = _e.number;
 	return res;
 }
@@ -123,10 +123,10 @@ static dev::eth::LogFilter toLogFilter(Json::Value const& _json)	// commented to
 		else if (_json["address"].isString())
 			filter.address(jsToAddress(_json["address"].asString()));
 	}
-	if (!_json["topics"].empty() && _json["topics"].isArray())
+	if (!_json["topic"].empty() && _json["topic"].isArray())
 	{
 		unsigned i = 0;
-		for (auto t: _json["topics"])
+		for (auto t: _json["topic"])
 		{
 			if (t.isArray())
 				for (auto tt: t)
@@ -173,9 +173,9 @@ static shh::Envelope toSealed(Json::Value const& _json, shh::Message const& _m,
 	return _m.seal(_from, bt, ttl, workToProve);
 }
 
-static pair<shh::TopicMask, Public> toWatch(Json::Value const& _json)
+static pair<shh::FullTopic, Public> toWatch(Json::Value const& _json)
 {
-	shh::BuildTopicMask bt;
+	shh::BuildTopic bt;
 	Public to;
 
 	if (_json["to"].isString())
@@ -190,7 +190,7 @@ static pair<shh::TopicMask, Public> toWatch(Json::Value const& _json)
 				if (i.isString())
 					bt.shift(jsToBytes(i.asString()));
 	}
-	return make_pair(bt.toTopicMask(), to);
+	return make_pair(bt, to);
 }
 
 static Json::Value toJson(h256 const& _h, shh::Envelope const& _e, shh::Message const& _m)
@@ -201,8 +201,8 @@ static Json::Value toJson(h256 const& _h, shh::Envelope const& _e, shh::Message
 	res["sent"] = (int)_e.sent();
 	res["ttl"] = (int)_e.ttl();
 	res["workProved"] = (int)_e.workProved();
-	for (auto const& t: _e.topics())
-		res["topics"].append(toJS(t));
+	for (auto const& t: _e.topic())
+		res["topic"].append(toJS(t));
 	res["payload"] = toJS(_m.payload());
 	res["from"] = toJS(_m.from());
 	res["to"] = toJS(_m.to());
@@ -576,12 +576,12 @@ Json::Value WebThreeStubServerBase::shh_changed(int const& _id)
 			if (pub)
 			{
 				cwarn << "Silently decrypting message from identity" << pub.abridged() << ": User validation hook goes here.";
-				m = e.open(m_ids[pub]);
-				if (!m)
-					continue;
+				m = e.open(face()->fullTopic(_id), m_ids[pub]);
 			}
 			else
-				m = e.open();
+				m = e.open(face()->fullTopic(_id));
+			if (!m)
+				continue;
 			ret.append(toJson(h, e, m));
 		}
 	

libwhisper/Common.cpp

@@ -28,12 +28,26 @@ using namespace dev;
 using namespace dev::p2p;
 using namespace dev::shh;
 
-Topic BuildTopic::toTopic() const
+CollapsedTopicPart dev::shh::collapse(FullTopicPart const& _p)
 {
-	Topic ret;
+	return CollapsedTopicPart(sha3(_p));
+}
+
+CollapsedTopic dev::shh::collapse(FullTopic const& _fullTopic)
+{
+	CollapsedTopic ret;
+	ret.reserve(_fullTopic.size());
+	for (auto const& ft: _fullTopic)
+		ret.push_back(collapse(ft));
+	return ret;
+}
+
+CollapsedTopic BuildTopic::toTopic() const
+{
+	CollapsedTopic ret;
 	ret.reserve(m_parts.size());
 	for (auto const& h: m_parts)
-		ret.push_back(TopicPart(h));
+		ret.push_back(collapse(h));
 	return ret;
 }
 
@@ -56,7 +70,7 @@ bool TopicFilter::matches(Envelope const& _e) const
 	{
 		for (unsigned i = 0; i < t.size(); ++i)
 		{
-			for (auto et: _e.topics())
+			for (auto et: _e.topic())
 				if (((t[i].first ^ et) & t[i].second) == 0)
 					goto NEXT_TOPICPART;
 			// failed to match topicmask against any topics: move on to next mask
@@ -75,7 +89,7 @@ TopicMask BuildTopicMask::toTopicMask() const
 	TopicMask ret;
 	ret.reserve(m_parts.size());
 	for (auto const& h: m_parts)
-		ret.push_back(make_pair(TopicPart(h), ~TopicPart()));
+		ret.push_back(make_pair(collapse(h), ~CollapsedTopicPart()));
 	return ret;
 }
 

libwhisper/Common.h

@@ -59,9 +59,14 @@ enum WhisperPacket
 	PacketCount
 };
 
-using TopicPart = FixedHash<4>;
+using CollapsedTopicPart = FixedHash<4>;
+using FullTopicPart = h256;
 
-using Topic = std::vector<TopicPart>;
+using CollapsedTopic = std::vector<CollapsedTopicPart>;
+using FullTopic = h256s;
+
+CollapsedTopicPart collapse(FullTopicPart const& _fullTopicPart);
+CollapsedTopic collapse(FullTopic const& _fullTopic);
 
 class BuildTopic
 {
@@ -74,8 +79,10 @@ public:
 
 	BuildTopic& shiftRaw(h256 const& _part) { m_parts.push_back(_part); return *this; }
 
-	operator Topic() const { return toTopic(); }
-	Topic toTopic() const;
+	operator CollapsedTopic() const { return toTopic(); }
+	operator FullTopic() const { return toFullTopic(); }
+	CollapsedTopic toTopic() const;
+	FullTopic toFullTopic() const { return m_parts; }
 
 protected:
 	BuildTopic& shiftBytes(bytes const& _b);
@@ -83,13 +90,14 @@ protected:
 	h256s m_parts;
 };
 
-using TopicMask = std::vector<std::pair<TopicPart, TopicPart>>;
+using TopicMask = std::vector<std::pair<CollapsedTopicPart, CollapsedTopicPart>>;
 using TopicMasks = std::vector<TopicMask>;
 
 class TopicFilter
 {
 public:
 	TopicFilter() {}
+	TopicFilter(FullTopic const& _m) { m_topicMasks.push_back(TopicMask()); for (auto const& h: _m) m_topicMasks.back().push_back(std::make_pair(collapse(h), h ? ~CollapsedTopicPart() : CollapsedTopicPart())); }
 	TopicFilter(TopicMask const& _m): m_topicMasks(1, _m) {}
 	TopicFilter(TopicMasks const& _m): m_topicMasks(_m) {}
 	TopicFilter(RLP const& _r)//: m_topicMasks(_r.toVector<std::vector<>>())
@@ -123,7 +131,9 @@ public:
 	template <class T> BuildTopicMask& operator()(T const& _t) { shift(_t); return *this; }
 
 	operator TopicMask() const { return toTopicMask(); }
+	operator FullTopic() const { return toFullTopic(); }
 	TopicMask toTopicMask() const;
+	FullTopic toFullTopic() const { return m_parts; }
 };
 
 }

libwhisper/Interface.cpp

@@ -34,7 +34,6 @@ using namespace dev::shh;
 #endif
 #define clogS(X) dev::LogOutputStream<X, true>(false) << "| " << std::setw(2) << session()->socketId() << "] "
 
-unsigned Interface::installWatch(TopicMask const& _mask)
+Interface::~Interface()
 {
-	return installWatch(TopicFilter(_mask));
 }

libwhisper/Interface.h

@@ -47,8 +47,9 @@ class Watch;
 
 struct InstalledFilter
 {
-	InstalledFilter(TopicFilter const& _f): filter(_f) {}
+	InstalledFilter(FullTopic const& _f): full(_f), filter(_f) {}
 
+	FullTopic full;
 	TopicFilter filter;
 	unsigned refCount = 1;
 };
@@ -65,12 +66,12 @@ struct ClientWatch
 class Interface
 {
 public:
-	virtual ~Interface() {}
+	virtual ~Interface();
 
 	virtual void inject(Envelope const& _m, WhisperPeer* _from = nullptr) = 0;
 
-	unsigned installWatch(TopicMask const& _mask);
-	virtual unsigned installWatch(TopicFilter const& _filter) = 0;
+	virtual FullTopic const& fullTopic(unsigned _id) const = 0;
+	virtual unsigned installWatch(FullTopic const& _mask) = 0;
 	virtual unsigned installWatchOnId(h256 _filterId) = 0;
 	virtual void uninstallWatch(unsigned _watchId) = 0;
 	virtual h256s peekWatch(unsigned _watchId) const = 0;
@@ -79,10 +80,10 @@ public:
 
 	virtual Envelope envelope(h256 _m) const = 0;
 
-	void post(bytes const& _payload, Topic _topic, unsigned _ttl = 50, unsigned _workToProve = 50) { inject(Message(_payload).seal(_topic, _ttl, _workToProve)); }
-	void post(Public _to, bytes const& _payload, Topic _topic, unsigned _ttl = 50, unsigned _workToProve = 50) { inject(Message(_payload).sealTo(_to, _topic, _ttl, _workToProve)); }
-	void post(Secret _from, bytes const& _payload, Topic _topic, unsigned _ttl = 50, unsigned _workToProve = 50) { inject(Message(_payload).seal(_from, _topic, _ttl, _workToProve)); }
-	void post(Secret _from, Public _to, bytes const& _payload, Topic _topic, unsigned _ttl = 50, unsigned _workToProve = 50) { inject(Message(_payload).sealTo(_from, _to, _topic, _ttl, _workToProve)); }
+	void post(bytes const& _payload, FullTopic _topic, unsigned _ttl = 50, unsigned _workToProve = 50) { inject(Message(_payload).seal(_topic, _ttl, _workToProve)); }
+	void post(Public _to, bytes const& _payload, FullTopic _topic, unsigned _ttl = 50, unsigned _workToProve = 50) { inject(Message(_payload).sealTo(_to, _topic, _ttl, _workToProve)); }
+	void post(Secret _from, bytes const& _payload, FullTopic _topic, unsigned _ttl = 50, unsigned _workToProve = 50) { inject(Message(_payload).seal(_from, _topic, _ttl, _workToProve)); }
+	void post(Secret _from, Public _to, bytes const& _payload, FullTopic _topic, unsigned _ttl = 50, unsigned _workToProve = 50) { inject(Message(_payload).sealTo(_from, _to, _topic, _ttl, _workToProve)); }
 };
 
 struct WatshhChannel: public dev::LogChannel { static const char* name() { return "shh"; } static const int verbosity = 1; };
@@ -104,8 +105,7 @@ class Watch: public boost::noncopyable
 
 public:
 	Watch() {}
-	Watch(Interface& _c, TopicMask const& _f): m_c(&_c), m_id(_c.installWatch(_f)) {}
-	Watch(Interface& _c, TopicFilter const& _tf): m_c(&_c), m_id(_c.installWatch(_tf)) {}
+	Watch(Interface& _c, FullTopic const& _f): m_c(&_c), m_id(_c.installWatch(_f)) {}
 	~Watch() { if (m_c) m_c->uninstallWatch(m_id); }
 
 	h256s check() { return m_c ? m_c->checkWatch(m_id) : h256s(); }

libwhisper/Message.cpp

@@ -26,7 +26,7 @@ using namespace dev;
 using namespace dev::p2p;
 using namespace dev::shh;
 
-Message::Message(Envelope const& _e, Secret const& _s)
+Message::Message(Envelope const& _e, FullTopic const& _fk, Secret const& _s)
 {
 	try
 	{
@@ -34,7 +34,38 @@ Message::Message(Envelope const& _e, Secret const& _s)
 		if (_s)
 			if (!decrypt(_s, &(_e.data()), b))
 				return;
-		if (populate(_s ? b : _e.data()))
+			else{}
+		else
+		{
+			// public - need to get the key through combining with the topic/topicIndex we know.
+			unsigned topicIndex = 0;
+			Secret topicSecret;
+
+			// determine topicSecret/topicIndex from knowledge of the collapsed topics (which give the order) and our full-size filter topic.
+			CollapsedTopic knownTopic = collapse(_fk);
+			for (unsigned ti = 0; ti < _fk.size() && !topicSecret; ++ti)
+				for (unsigned i = 0; i < _e.topic().size(); ++i)
+					if (_e.topic()[i] == knownTopic[ti])
+					{
+						topicSecret = _fk[ti];
+						topicIndex = i;
+						break;
+					}
+
+			if (_e.data().size() < _e.topic().size() * 32)
+				return;
+
+			// get key from decrypted topic key: just xor
+			h256 tk = h256(bytesConstRef(&(_e.data())).cropped(32 * topicIndex, 32));
+			bytesConstRef cipherText = bytesConstRef(&(_e.data())).cropped(32 * _e.topic().size());
+			cnote << "Decrypting(" << topicIndex << "): " << topicSecret << tk << (topicSecret ^ tk) << toHex(cipherText);
+			if (!decryptSym(topicSecret ^ tk, cipherText, b))
+				return;
+			cnote << "Got: " << toHex(b);
+		}
+
+		if (populate(b))
+			if (_s)
 				m_to = KeyPair(_s).pub();
 	}
 	catch (...)	// Invalid secret? TODO: replace ... with InvalidSecret
@@ -63,9 +94,10 @@ bool Message::populate(bytes const& _data)
 	return true;
 }
 
-Envelope Message::seal(Secret _from, Topic const& _topic, unsigned _ttl, unsigned _workToProve) const
+Envelope Message::seal(Secret _from, FullTopic const& _fullTopic, unsigned _ttl, unsigned _workToProve) const
 {
-	Envelope ret(time(0) + _ttl, _ttl, _topic);
+	CollapsedTopic topic = collapse(_fullTopic);
+	Envelope ret(time(0) + _ttl, _ttl, topic);
 
 	bytes input(1 + m_payload.size());
 	input[0] = 0;
@@ -83,7 +115,25 @@ Envelope Message::seal(Secret _from, Topic const& _topic, unsigned _ttl, unsigne
 	if (m_to)
 		encrypt(m_to, &input, ret.m_data);
 	else
-		swap(ret.m_data, input);
+	{
+		// create the shared secret and encrypt
+		Secret s = Secret::random();
+		for (h256 const& t: _fullTopic)
+			ret.m_data += (t ^ s).asBytes();
+		bytes d;
+		encryptSym(s, &input, d);
+		ret.m_data += d;
+
+		for (unsigned i = 0; i < _fullTopic.size(); ++i)
+		{
+			bytes b;
+			h256 tk = h256(bytesConstRef(&(ret.m_data)).cropped(32 * i, 32));
+			bytesConstRef cipherText = bytesConstRef(&(ret.m_data)).cropped(32 * ret.topic().size());
+			cnote << "Test decrypting(" << i << "): " << _fullTopic[i] << tk << (_fullTopic[i] ^ tk) << toHex(cipherText);
+			assert(decryptSym(_fullTopic[i] ^ tk, cipherText, b));
+			cnote << "Got: " << toHex(b);
+		}
+	}
 
 	ret.proveWork(_workToProve);
 	return ret;
@@ -98,9 +148,9 @@ Envelope::Envelope(RLP const& _m)
 	m_nonce = _m[4].toInt<u256>();
 }
 
-Message Envelope::open(Secret const& _s) const
+Message Envelope::open(FullTopic const& _ft, Secret const& _s) const
 {
-	return Message(*this, _s);
+	return Message(*this, _ft, _s);
 }
 
 unsigned Envelope::workProved() const

libwhisper/Message.h

@@ -39,6 +39,16 @@ namespace shh
 
 class Message;
 
+static const unsigned Undefined = (unsigned)-1;
+
+struct FilterKey
+{
+	FilterKey() {}
+	FilterKey(unsigned _tI, Secret const& _k): topicIndex(_tI), key(_k) {}
+	unsigned topicIndex = Undefined;
+	Secret key;
+};
+
 enum IncludeNonce
 {
 	WithoutNonce = 0,
@@ -61,22 +71,22 @@ public:
 	unsigned sent() const { return m_expiry - m_ttl; }
 	unsigned expiry() const { return m_expiry; }
 	unsigned ttl() const { return m_ttl; }
-	Topic const& topics() const { return m_topic; }
+	CollapsedTopic const& topic() const { return m_topic; }
 	bytes const& data() const { return m_data; }
 
-	Message open(Secret const& _s = Secret()) const;
+	Message open(FullTopic const& _ft, Secret const& _s = Secret()) const;
 
 	unsigned workProved() const;
 	void proveWork(unsigned _ms);
 
 private:
-	Envelope(unsigned _exp, unsigned _ttl, Topic const& _topic): m_expiry(_exp), m_ttl(_ttl), m_topic(_topic) {}
+	Envelope(unsigned _exp, unsigned _ttl, CollapsedTopic const& _topic): m_expiry(_exp), m_ttl(_ttl), m_topic(_topic) {}
 
 	unsigned m_expiry = 0;
 	unsigned m_ttl = 0;
 	u256 m_nonce;
 
-	Topic m_topic;
+	CollapsedTopic m_topic;
 	bytes m_data;
 };
 
@@ -91,7 +101,7 @@ class Message
 {
 public:
 	Message() {}
-	Message(Envelope const& _e, Secret const& _s = Secret());
+	Message(Envelope const& _e, FullTopic const& _ft, Secret const& _s = Secret());
 	Message(bytes const& _payload): m_payload(_payload) {}
 	Message(bytesConstRef _payload): m_payload(_payload.toBytes()) {}
 	Message(bytes&& _payload) { std::swap(_payload, m_payload); }
@@ -108,11 +118,11 @@ public:
 	operator bool() const { return !!m_payload.size() || m_from || m_to; }
 
 	/// Turn this message into a ditributable Envelope.
-	Envelope seal(Secret _from, Topic const& _topic, unsigned _workToProve = 50, unsigned _ttl = 50) const;
+	Envelope seal(Secret _from, FullTopic const& _topic, unsigned _workToProve = 50, unsigned _ttl = 50) const;
 	// Overloads for skipping _from or specifying _to.
-	Envelope seal(Topic const& _topic, unsigned _ttl = 50, unsigned _workToProve = 50) const { return seal(Secret(), _topic, _workToProve, _ttl); }
-	Envelope sealTo(Public _to, Topic const& _topic, unsigned _workToProve = 50, unsigned _ttl = 50) { m_to = _to; return seal(Secret(), _topic, _workToProve, _ttl); }
-	Envelope sealTo(Secret _from, Public _to, Topic const& _topic, unsigned _workToProve = 50, unsigned _ttl = 50) { m_to = _to; return seal(_from, _topic, _workToProve, _ttl); }
+	Envelope seal(FullTopic const& _topic, unsigned _ttl = 50, unsigned _workToProve = 50) const { return seal(Secret(), _topic, _workToProve, _ttl); }
+	Envelope sealTo(Public _to, FullTopic const& _topic, unsigned _workToProve = 50, unsigned _ttl = 50) { m_to = _to; return seal(Secret(), _topic, _workToProve, _ttl); }
+	Envelope sealTo(Secret _from, Public _to, FullTopic const& _topic, unsigned _workToProve = 50, unsigned _ttl = 50) { m_to = _to; return seal(_from, _topic, _workToProve, _ttl); }
 
 private:
 	bool populate(bytes const& _data);

libwhisper/WhisperHost.cpp

@@ -49,14 +49,14 @@ void WhisperHost::streamMessage(h256 _m, RLPStream& _s) const
 	{
 		UpgradeGuard ll(l);
 		auto const& m = m_messages.at(_m);
-		cnote << "streamRLP: " << m.expiry() << m.ttl() << m.topics() << toHex(m.data());
+		cnote << "streamRLP: " << m.expiry() << m.ttl() << m.topic() << toHex(m.data());
 		m.streamRLP(_s);
 	}
 }
 
 void WhisperHost::inject(Envelope const& _m, WhisperPeer* _p)
 {
-	cnote << "inject: " << _m.expiry() << _m.ttl() << _m.topics() << toHex(_m.data());
+	cnote << this << ": inject: " << _m.expiry() << _m.ttl() << _m.topic() << toHex(_m.data());
 
 	if (_m.expiry() <= time(0))
 		return;
@@ -104,14 +104,15 @@ unsigned WhisperHost::installWatchOnId(h256 _h)
 	return ret;
 }
 
-unsigned WhisperHost::installWatch(shh::TopicFilter const& _f)
+unsigned WhisperHost::installWatch(shh::FullTopic const& _ft)
 {
 	Guard l(m_filterLock);
 
-	h256 h = _f.sha3();
+	InstalledFilter f(_ft);
+	h256 h = f.filter.sha3();
 
 	if (!m_filters.count(h))
-		m_filters.insert(make_pair(h, _f));
+		m_filters.insert(make_pair(h, f));
 
 	return installWatchOnId(h);
 }

libwhisper/WhisperHost.h

@@ -39,6 +39,8 @@ namespace dev
 namespace shh
 {
 
+static const FullTopic EmptyFullTopic;
+
 class WhisperHost: public HostCapability<WhisperPeer>, public Interface, public Worker
 {
 	friend class WhisperPeer;
@@ -47,12 +49,12 @@ public:
 	WhisperHost();
 	virtual ~WhisperHost();
 
-	unsigned protocolVersion() const { return 1; }
+	unsigned protocolVersion() const { return 2; }
 
 	virtual void inject(Envelope const& _e, WhisperPeer* _from = nullptr) override;
 
-	using Interface::installWatch;
-	virtual unsigned installWatch(TopicFilter const& _filter) override;
+	virtual FullTopic const& fullTopic(unsigned _id) const { try { return m_filters.at(m_watches.at(_id).id).full; } catch (...) { return EmptyFullTopic; } }
+	virtual unsigned installWatch(FullTopic const& _filter) override;
 	virtual unsigned installWatchOnId(h256 _filterId) override;
 	virtual void uninstallWatch(unsigned _watchId) override;
 	virtual h256s peekWatch(unsigned _watchId) const override { dev::Guard l(m_filterLock); try { return m_watches.at(_watchId).changes; } catch (...) { return h256s(); } }

libwhisper/WhisperPeer.cpp

@@ -106,7 +106,7 @@ void WhisperPeer::sendMessages()
 	}
 }
 
-void WhisperPeer::noteNewMessage(h256 _h, Message const& _m)
+void WhisperPeer::noteNewMessage(h256 _h, Envelope const& _m)
 {
 	Guard l(x_unseen);
 	m_unseen.insert(make_pair(rating(_m), _h));

libwhisper/WhisperPeer.h

@@ -63,8 +63,8 @@ private:
 
 	void sendMessages();
 
-	unsigned rating(Message const&) const { return 0; }	// TODO
-	void noteNewMessage(h256 _h, Message const& _m);
+	unsigned rating(Envelope const&) const { return 0; }	// TODO
+	void noteNewMessage(h256 _h, Envelope const& _m);
 
 	mutable dev::Mutex x_unseen;
 	std::multimap<unsigned, h256> m_unseen;	///< Rated according to what they want.

mix/AppContext.cpp

@@ -23,9 +23,11 @@
  */
 
 #include <QMessageBox>
+#include <QClipboard>
 #include <QQmlComponent>
 #include <QQmlContext>
 #include <QQmlApplicationEngine>
+#include <QQuickWindow>
 #include "CodeModel.h"
 #include "FileIo.h"
 #include "ClientModel.h"
@@ -79,6 +81,8 @@ void AppContext::load()
 	qmlRegisterType<CodeEditorExtensionManager>("CodeEditorExtensionManager", 1, 0, "CodeEditorExtensionManager");
 	qmlRegisterType<HttpServer>("HttpServer", 1, 0, "HttpServer");
 	m_applicationEngine->load(QUrl("qrc:/qml/main.qml"));
+	QQuickWindow *window = qobject_cast<QQuickWindow *>(m_applicationEngine->rootObjects().at(0));
+	window->setIcon(QIcon(":/res/mix_256x256x32.png"));
 	appLoaded();
 }
 
@@ -99,3 +103,9 @@ void AppContext::displayMessageDialog(QString _title, QString _message)
 	dialogWin->findChild<QObject*>("messageContent", Qt::FindChildrenRecursively)->setProperty("text", _message);
 	QMetaObject::invokeMethod(dialogWin, "open");
 }
+
+void AppContext::toClipboard(QString _text)
+{
+	QClipboard *clipboard = QApplication::clipboard();
+	clipboard->setText(_text);
+}

mix/AppContext.h

@@ -62,6 +62,8 @@ public:
 	ClientModel* clientModel() { return m_clientModel.get(); }
 	/// Display an alert message.
 	void displayMessageDialog(QString _title, QString _message);
+	/// Copy text to clipboard
+	Q_INVOKABLE void toClipboard(QString _text);
 
 signals:
 	/// Triggered once components have been loaded

mix/AssemblyDebuggerControl.cpp

@@ -29,7 +29,6 @@ using namespace dev::mix;
 AssemblyDebuggerControl::AssemblyDebuggerControl(AppContext* _context):
 	Extension(_context, ExtensionDisplayBehavior::RightView)
 {
-	connect(_context->clientModel(), &ClientModel::showDebuggerWindow, this, &AssemblyDebuggerControl::showDebugger, Qt::QueuedConnection);
 }
 
 QString AssemblyDebuggerControl::contentUrl() const
@@ -45,9 +44,3 @@ QString AssemblyDebuggerControl::title() const
 void AssemblyDebuggerControl::start() const
 {
 }
-
-void AssemblyDebuggerControl::showDebugger()
-{
-	QObject* debugPanel = m_view->findChild<QObject*>("debugPanel", Qt::FindChildrenRecursively);
-	QMetaObject::invokeMethod(debugPanel, "update", Q_ARG(QVariant, true));
-}

mix/AssemblyDebuggerControl.h

@@ -42,10 +42,6 @@ public:
 	void start() const override;
 	QString title() const override;
 	QString contentUrl() const override;
-
-private slots:
-	/// Update UI with machine states result. Displayed in the right side tab.
-	void showDebugger();
 };
 
 }

mix/CMakeLists.txt

@@ -13,7 +13,7 @@ aux_source_directory(. SRC_LIST)
 include_directories(..)
 
 find_package (Qt5WebEngine QUIET)
-qt5_add_resources(UI_RESOURCES qml.qrc)
+qt5_add_resources(UI_RESOURCES res.qrc)
 
 file(GLOB HEADERS "*.h")
 
@@ -62,6 +62,7 @@ eth_install_executable(${EXECUTABLE}
 	QMLDIR ${CMAKE_CURRENT_SOURCE_DIR}/qml
 )
 
-#add qml files to project tree in Qt creator
+#add qml asnd stdc files to project tree in Qt creator
 file(GLOB_RECURSE QMLFILES "qml/*.*")
-add_custom_target(dummy SOURCES ${QMLFILES})
+file(GLOB_RECURSE SOLFILES "stdc/*.*")
+add_custom_target(dummy SOURCES ${QMLFILES} ${SOLFILES})

mix/ClientModel.cpp

@@ -27,6 +27,7 @@
 #include <libethereum/Transaction.h>
 #include "AppContext.h"
 #include "DebuggingStateWrapper.h"
+#include "Exceptions.h"
 #include "QContractDefinition.h"
 #include "QVariableDeclaration.h"
 #include "ContractCallDataEncoder.h"
@@ -60,8 +61,9 @@ private:
 	QString m_response;
 };
 
+
 ClientModel::ClientModel(AppContext* _context):
-	m_context(_context), m_running(false), m_rpcConnector(new RpcConnector())
+	m_context(_context), m_running(false), m_rpcConnector(new RpcConnector()), m_contractAddress(Address())
 {
 	qRegisterMetaType<QBigInt*>("QBigInt*");
 	qRegisterMetaType<QIntType*>("QIntType*");
@@ -74,12 +76,17 @@ ClientModel::ClientModel(AppContext* _context):
 	qRegisterMetaType<QList<QVariableDefinition*>>("QList<QVariableDefinition*>");
 	qRegisterMetaType<QList<QVariableDeclaration*>>("QList<QVariableDeclaration*>");
 	qRegisterMetaType<QVariableDeclaration*>("QVariableDeclaration*");
-	qRegisterMetaType<AssemblyDebuggerData>("AssemblyDebuggerData");
+	qRegisterMetaType<QMachineState*>("QMachineState");
+	qRegisterMetaType<QInstruction*>("QInstruction");
+	qRegisterMetaType<QCode*>("QCode");
+	qRegisterMetaType<QCallData*>("QCallData");
+	qRegisterMetaType<TransactionLogEntry*>("TransactionLogEntry");
 
-	connect(this, &ClientModel::dataAvailable, this, &ClientModel::showDebugger, Qt::QueuedConnection);
+	connect(this, &ClientModel::runComplete, this, &ClientModel::showDebugger, Qt::QueuedConnection);
 	m_client.reset(new MixClient());
 
 	m_web3Server.reset(new Web3Server(*m_rpcConnector.get(), std::vector<dev::KeyPair> { m_client->userAccount() }, m_client.get()));
+	connect(m_web3Server.get(), &Web3Server::newTransaction, this, &ClientModel::onNewTransaction, Qt::DirectConnection);
 
 	_context->appEngine()->rootContext()->setContextProperty("clientModel", this);
 }
@@ -94,10 +101,15 @@ QString ClientModel::apiCall(QString const& _message)
 	return m_rpcConnector->response();
 }
 
+void ClientModel::mine()
+{
+	m_client->mine();
+	newBlock();
+}
+
 QString ClientModel::contractAddress() const
 {
-	QString address = QString::fromStdString(dev::toJS(m_client->lastContractAddress()));
-	return address;
+	return QString::fromStdString(dev::toJS(m_contractAddress));
 }
 
 void ClientModel::debugDeployment()
@@ -105,13 +117,12 @@ void ClientModel::debugDeployment()
 	executeSequence(std::vector<TransactionSettings>(), 10000000 * ether);
 }
 
-void ClientModel::debugState(QVariantMap _state)
+void ClientModel::setupState(QVariantMap _state)
 {
 	u256 balance = (qvariant_cast<QEther*>(_state.value("balance")))->toU256Wei();
 	QVariantList transactions = _state.value("transactions").toList();
 
 	std::vector<TransactionSettings> transactionSequence;
-	TransactionSettings constructorTr;
 	for (auto const& t: transactions)
 	{
 		QVariantMap transaction = t.toMap();
@@ -119,8 +130,21 @@ void ClientModel::debugState(QVariantMap _state)
 		u256 gas = (qvariant_cast<QEther*>(transaction.value("gas")))->toU256Wei();
 		u256 value = (qvariant_cast<QEther*>(transaction.value("value")))->toU256Wei();
 		u256 gasPrice = (qvariant_cast<QEther*>(transaction.value("gasPrice")))->toU256Wei();
-		TransactionSettings transactionSettings(functionId, value, gas, gasPrice);
+
+		bool isStdContract = (transaction.value("stdContract").toBool());
+		if (isStdContract)
+		{
+			TransactionSettings transactionSettings(functionId, transaction.value("url").toString());
+			transactionSettings.gasPrice = 10000000000000;
+			transactionSettings.gas = 125000;
+			transactionSettings.value = 100;
+			transactionSequence.push_back(transactionSettings);
+		}
+		else
+		{
 			QVariantList qParams = transaction.value("qType").toList();
+			TransactionSettings transactionSettings(functionId, value, gas, gasPrice);
+
 			for (QVariant const& variant: qParams)
 			{
 				QVariableDefinition* param = qvariant_cast<QVariableDefinition*>(variant);
@@ -128,23 +152,24 @@ void ClientModel::debugState(QVariantMap _state)
 			}
 
 			if (transaction.value("executeConstructor").toBool())
-			constructorTr = transactionSettings;
-		else
+				transactionSettings.functionId.clear();
+
 			transactionSequence.push_back(transactionSettings);
 		}
-	executeSequence(transactionSequence, balance, constructorTr);
+	}
+	executeSequence(transactionSequence, balance);
 }
 
-void ClientModel::executeSequence(std::vector<TransactionSettings> const& _sequence, u256 _balance, TransactionSettings const& ctrTransaction)
+void ClientModel::executeSequence(std::vector<TransactionSettings> const& _sequence, u256 _balance)
 {
 	if (m_running)
-		throw (std::logic_error("debugging already running"));
-	auto compilerRes = m_context->codeModel()->code();
+		BOOST_THROW_EXCEPTION(ExecutionStateException());
+	CompilationResult* compilerRes = m_context->codeModel()->code();
 	std::shared_ptr<QContractDefinition> contractDef = compilerRes->sharedContract();
 	m_running = true;
 
 	emit runStarted();
-	emit stateChanged();
+	emit runStateChanged();
 
 	//run sequence
 	QtConcurrent::run([=]()
@@ -152,59 +177,67 @@ void ClientModel::executeSequence(std::vector<TransactionSettings> const& _seque
 		try
 		{
 			bytes contractCode = compilerRes->bytes();
-			std::vector<dev::bytes> transactonData;
-			QFunctionDefinition* f = nullptr;
-			ContractCallDataEncoder c;
-			//encode data for all transactions
-			for (auto const& t: _sequence)
+			m_client->resetState(_balance);
+			onStateReset();
+			for (TransactionSettings const& transaction: _sequence)
 			{
-				f = nullptr;
-				for (int tf = 0; tf < contractDef->functionsList().size(); tf++)
+				ContractCallDataEncoder encoder;
+				QFunctionDefinition const* f = nullptr;
+				if (!transaction.stdContractUrl.isEmpty())
+				{
+					//std contract
+					dev::bytes const& stdContractCode = m_context->codeModel()->getStdContractCode(transaction.functionId, transaction.stdContractUrl);
+					Address address = deployContract(stdContractCode, transaction);
+					m_stdContractAddresses[transaction.functionId] = address;
+					m_stdContractNames[address] = transaction.functionId;
+				}
+				else
 				{
-					if (contractDef->functionsList().at(tf)->name() == t.functionId)
+					//encode data
+					f = nullptr;
+					if (transaction.functionId.isEmpty())
+						f = contractDef->constructor();
+					else
+						for (QFunctionDefinition const* tf: contractDef->functionsList())
+							if (tf->name() == transaction.functionId)
 							{
-						f = contractDef->functionsList().at(tf);
+								f = tf;
 								break;
 							}
-				}
 					if (!f)
-					throw std::runtime_error("function " + t.functionId.toStdString() + " not found");
+						BOOST_THROW_EXCEPTION(FunctionNotFoundException() << FunctionName(transaction.functionId.toStdString()));
 
 					for (int k = 0; k < f->parametersList() .size(); k++)
 					{
-					if (f->parametersList().at(k)->type() != t.parameterValues.at(k)->declaration()->type())
-						throw std::runtime_error("list of parameters has been changed. Need to update this transaction");
+						if (f->parametersList().at(k)->type() != transaction.parameterValues.at(k)->declaration()->type())
+							BOOST_THROW_EXCEPTION(ParameterChangedException() << FunctionName(f->parametersList().at(k)->type().toStdString()));
 					}
 
-				c.encode(f);
-				for (int p = 0; p < t.parameterValues.size(); p++)
-					c.push(t.parameterValues.at(p)->encodeValue());
-				transactonData.emplace_back(c.encodedData());
-			}
+					encoder.encode(f);
+					for (int p = 0; p < transaction.parameterValues.size(); p++)
+						encoder.push(transaction.parameterValues.at(p)->encodeValue());
 
-			//run contract creation first
-			m_client->resetState(_balance);
-			ExecutionResult debuggingContent = deployContract(contractCode, ctrTransaction);
-			Address address = debuggingContent.contractAddress;
-			for (unsigned i = 0; i < _sequence.size(); ++i)
-				debuggingContent = callContract(address, transactonData.at(i), _sequence.at(i));
-
-			QList<QVariableDefinition*> returnParameters;
-
-			if (f)
-				returnParameters = c.decode(f->returnParameters(), debuggingContent.returnValue);
-
-			//we need to wrap states in a QObject before sending to QML.
-			QList<QObject*> wStates;
-			for (unsigned i = 0; i < debuggingContent.machineStates.size(); i++)
+					if (transaction.functionId.isEmpty())
+					{
+						Address newAddress = deployContract(contractCode, transaction);
+						if (newAddress != m_contractAddress)
 						{
-				QPointer<DebuggingStateWrapper> s(new DebuggingStateWrapper(debuggingContent.executionCode, debuggingContent.executionData.toBytes()));
-				s->setState(debuggingContent.machineStates[i]);
-				wStates.append(s);
+							m_contractAddress = newAddress;
+							contractAddressChanged();
 						}
-			//collect states for last transaction
-			AssemblyDebuggerData code = DebuggingStateWrapper::getHumanReadableCode(debuggingContent.executionCode);
-			emit dataAvailable(returnParameters, wStates, code);
+					}
+					else
+					{
+						callContract(m_contractAddress, encoder.encodedData(), transaction);
+
+						// Used to log return values. TODO move this to QML.
+						ExecutionResult const& last = m_client->record().back().transactions.back();
+						encoder.decode(f->returnParameters(), last.returnValue);
+					}
+				}
+				onNewTransaction();
+			}
+			m_running = false;
 			emit runComplete();
 		}
 		catch(boost::exception const&)
@@ -217,17 +250,47 @@ void ClientModel::executeSequence(std::vector<TransactionSettings> const& _seque
 			emit runFailed(e.what());
 		}
 		m_running = false;
-		emit stateChanged();
+		emit runStateChanged();
 	});
 }
 
-void ClientModel::showDebugger(QList<QVariableDefinition*> const& _returnParam, QList<QObject*> const& _wStates, AssemblyDebuggerData const& _code)
+void ClientModel::showDebugger()
 {
-	m_context->appEngine()->rootContext()->setContextProperty("debugStates", QVariant::fromValue(_wStates));
-	m_context->appEngine()->rootContext()->setContextProperty("humanReadableExecutionCode", QVariant::fromValue(std::get<0>(_code)));
-	m_context->appEngine()->rootContext()->setContextProperty("bytesCodeMapping", QVariant::fromValue(std::get<1>(_code)));
-	m_context->appEngine()->rootContext()->setContextProperty("contractCallReturnParameters", QVariant::fromValue(new QVariableDefinitionList(_returnParam)));
-	showDebuggerWindow();
+	ExecutionResult const& last = m_client->record().back().transactions.back();
+	showDebuggerForTransaction(last);
+}
+
+void ClientModel::showDebuggerForTransaction(ExecutionResult const& _t)
+{
+	//we need to wrap states in a QObject before sending to QML.
+	QDebugData* debugData = new QDebugData();
+	QQmlEngine::setObjectOwnership(debugData, QQmlEngine::JavaScriptOwnership);
+	QList<QCode*> codes;
+	for (bytes const& code: _t.executionCode)
+		codes.push_back(QMachineState::getHumanReadableCode(debugData, code));
+
+	QList<QCallData*> data;
+	for (bytes const& d: _t.transactionData)
+		data.push_back(QMachineState::getDebugCallData(debugData, d));
+
+	QVariantList states;
+	for (MachineState const& s: _t.machineStates)
+		states.append(QVariant::fromValue(new QMachineState(debugData, s, codes[s.codeIndex], data[s.dataIndex])));
+
+	debugData->setStates(std::move(states));
+
+	//QList<QVariableDefinition*> returnParameters;
+	//returnParameters = encoder.decode(f->returnParameters(), debuggingContent.returnValue);
+
+	//collect states for last transaction
+	debugDataReady(debugData);
+}
+
+
+void ClientModel::debugTransaction(unsigned _block, unsigned _index)
+{
+	auto const& t = m_client->record().at(_block).transactions.at(_index);
+	showDebuggerForTransaction(t);
 }
 
 void ClientModel::showDebugError(QString const& _error)
@@ -236,32 +299,87 @@ void ClientModel::showDebugError(QString const& _error)
 	m_context->displayMessageDialog(tr("Debugger"), _error);
 }
 
-ExecutionResult ClientModel::deployContract(bytes const& _code, TransactionSettings const& _ctrTransaction)
+Address ClientModel::deployContract(bytes const& _code, TransactionSettings const& _ctrTransaction)
 {
-	Address newAddress;
-	if (!_ctrTransaction.isEmpty())
-		newAddress = m_client->transact(m_client->userAccount().secret(), _ctrTransaction.value, _code, _ctrTransaction.gas, _ctrTransaction.gasPrice);
-	else
+	Address newAddress = m_client->transact(m_client->userAccount().secret(), _ctrTransaction.value, _code, _ctrTransaction.gas, _ctrTransaction.gasPrice);
+	return newAddress;
+}
+
+void ClientModel::callContract(Address const& _contract, bytes const& _data, TransactionSettings const& _tr)
 {
-		u256 gasPrice = 10000000000000;
-		u256 gas = 125000;
-		u256 amount = 100;
-		newAddress = m_client->transact(m_client->userAccount().secret(), amount, _code, gas, gasPrice);
+	m_client->transact(m_client->userAccount().secret(), _tr.value, _contract, _data, _tr.gas, _tr.gasPrice);
 }
 
-	Address lastAddress = m_client->lastContractAddress();
-	ExecutionResult r = m_client->lastExecutionResult();
-	if (newAddress != lastAddress)
-		contractAddressChanged();
-	return r;
+void ClientModel::onStateReset()
+{
+	m_contractAddress = dev::Address();
+	m_stdContractAddresses.clear();
+	m_stdContractNames.clear();
+	emit stateCleared();
 }
 
-ExecutionResult ClientModel::callContract(Address const& _contract, bytes const& _data, TransactionSettings const& _tr)
+void ClientModel::onNewTransaction()
 {
-	m_client->transact(m_client->userAccount().secret(), _tr.value, _contract, _data, _tr.gas, _tr.gasPrice);
-	ExecutionResult r = m_client->lastExecutionResult();
-	r.contractAddress = _contract;
-	return r;
+	unsigned block = m_client->number();
+	unsigned index =  m_client->record().back().transactions.size() - 1;
+	ExecutionResult const& tr = m_client->record().back().transactions.back();
+	QString address = QString::fromStdString(toJS(tr.address));
+	QString value =  QString::fromStdString(dev::toString(tr.value));
+	QString contract = address;
+	QString function;
+	QString returned;
+
+	bool creation = tr.contractAddress != 0;
+
+	if (creation)
+		returned = QString::fromStdString(toJS(tr.contractAddress));
+	else
+		returned = QString::fromStdString(toJS(tr.returnValue));
+
+	//TODO: handle value transfer
+	FixedHash<4> functionHash;
+	bool call = false;
+	if (creation)
+	{
+		//contract creation
+		auto const stdContractName = m_stdContractNames.find(tr.contractAddress);
+		if (stdContractName != m_stdContractNames.end())
+		{
+			function = stdContractName->second;
+			contract = function;
+		}
+		else
+			function = QObject::tr("Constructor");
+	}
+	else
+	{
+		//call
+		if (tr.transactionData.size() > 0 && tr.transactionData.front().size() >= 4)
+		{
+			functionHash = FixedHash<4>(tr.transactionData.front().data(), FixedHash<4>::ConstructFromPointer);
+			function = QString::fromStdString(toJS(functionHash));
+			call = true;
+		}
+		else
+			function = QObject::tr("<none>");
+	}
+
+	if (m_contractAddress != 0 && (tr.address == m_contractAddress || tr.contractAddress == m_contractAddress))
+	{
+		auto compilerRes = m_context->codeModel()->code();
+		QContractDefinition* def = compilerRes->contract();
+		contract = def->name();
+		if (call)
+		{
+			QFunctionDefinition* funcDef = def->getFunction(functionHash);
+			if (funcDef)
+				function = funcDef->name();
+		}
+	}
+
+	TransactionLogEntry* log = new TransactionLogEntry(block, index, contract, function, value, address, returned);
+	QQmlEngine::setObjectOwnership(log, QQmlEngine::JavaScriptOwnership);
+	emit newTransaction(log);
 }
 
 }

mix/ClientModel.h

@@ -24,13 +24,10 @@
 #pragma once
 
 #include <atomic>
-#include "DebuggingStateWrapper.h"
+#include <map>
+#include <QString>
 #include "MixClient.h"
-
-using AssemblyDebuggerData = std::tuple<QList<QObject*>, dev::mix::QQMLMap*>;
-
-Q_DECLARE_METATYPE(AssemblyDebuggerData)
-Q_DECLARE_METATYPE(dev::mix::ExecutionResult)
+#include "QVariableDefinition.h"
 
 namespace dev
 {
@@ -40,6 +37,8 @@ namespace mix
 class AppContext;
 class Web3Server;
 class RpcConnector;
+class QEther;
+class QDebugData;
 
 /// Backend transaction config class
 struct TransactionSettings
@@ -47,6 +46,10 @@ struct TransactionSettings
 	TransactionSettings() {}
 	TransactionSettings(QString const& _functionId, u256 _value, u256 _gas, u256 _gasPrice):
 		functionId(_functionId), value(_value), gas(_gas), gasPrice(_gasPrice) {}
+	TransactionSettings(u256 _value, u256 _gas, u256 _gasPrice):
+		value(_value), gas(_gas), gasPrice(_gasPrice) {}
+	TransactionSettings(QString const& _stdContractName, QString const& _stdContractUrl):
+		functionId(_stdContractName), stdContractUrl(_stdContractUrl) {}
 
 	/// Contract function name
 	QString functionId;
@@ -58,12 +61,45 @@ struct TransactionSettings
 	u256 gasPrice;
 	/// Mapping from contract function parameter name to value
 	QList<QVariableDefinition*> parameterValues;
+	/// Standard contract url
+	QString stdContractUrl;
+};
+
+
+/// UI Transaction log record
+class TransactionLogEntry: public QObject
+{
+	Q_OBJECT
+	/// Transaction block number
+	Q_PROPERTY(unsigned block MEMBER m_block CONSTANT)
+	/// Transaction index within the block
+	Q_PROPERTY(unsigned tindex MEMBER m_index CONSTANT)
+	/// Contract name if any
+	Q_PROPERTY(QString contract MEMBER m_contract CONSTANT)
+	/// Function name if any
+	Q_PROPERTY(QString function MEMBER m_function CONSTANT)
+	/// Transaction value
+	Q_PROPERTY(QString value MEMBER m_value CONSTANT)
+	/// Receiving address
+	Q_PROPERTY(QString address MEMBER m_address CONSTANT)
+	/// Returned value or transaction address in case of creation
+	Q_PROPERTY(QString returned MEMBER m_returned CONSTANT)
 
 public:
-	/// @returns true if the functionId has not be set
-	bool isEmpty() const { return functionId.isNull() || functionId.isEmpty(); }
-};
+	TransactionLogEntry():
+		m_block(0), m_index(0) {}
+	TransactionLogEntry(int _block, int _index, QString _contract, QString _function, QString _value, QString _address, QString _returned):
+		m_block(_block), m_index(_index), m_contract(_contract), m_function(_function), m_value(_value), m_address(_address), m_returned(_returned) {}
 
+private:
+	unsigned m_block;
+	unsigned m_index;
+	QString m_contract;
+	QString m_function;
+	QString m_value;
+	QString m_address;
+	QString m_returned;
+};
 
 /**
  * @brief Ethereum state control
@@ -76,7 +112,7 @@ public:
 	ClientModel(AppContext* _context);
 	~ClientModel();
 	/// @returns true if currently executing contract code
-	Q_PROPERTY(bool running MEMBER m_running NOTIFY stateChanged)
+	Q_PROPERTY(bool running MEMBER m_running NOTIFY runStateChanged)
 	/// @returns address of the last executed contract
 	Q_PROPERTY(QString contractAddress READ contractAddress NOTIFY contractAddressChanged)
 	/// ethereum.js RPC request entry point
@@ -84,16 +120,21 @@ public:
 	/// @returns RPC response in Json format
 	Q_INVOKABLE QString apiCall(QString const& _message);
 
+	/// Simulate mining. Creates a new block
+	Q_INVOKABLE void mine();
+
 public slots:
 	/// Run the contract constructor and show debugger window.
 	void debugDeployment();
 	/// Setup state, run transaction sequence, show debugger for the last transaction
 	/// @param _state JS object with state configuration
-	void debugState(QVariantMap _state);
+	void setupState(QVariantMap _state);
+	/// Show the debugger for a specified transaction
+	Q_INVOKABLE void debugTransaction(unsigned _block, unsigned _index);
 
 private slots:
 	/// Update UI with machine states result. Display a modal dialog.
-	void showDebugger(QList<QVariableDefinition*> const& _returnParams = QList<QVariableDefinition*>(), QList<QObject*> const& _wStates = QList<QObject*>(), AssemblyDebuggerData const& _code = AssemblyDebuggerData());
+	void showDebugger();
 	/// Update UI with transaction run error.
 	void showDebugError(QString const& _error);
 
@@ -108,27 +149,36 @@ signals:
 	/// Contract address changed
 	void contractAddressChanged();
 	/// Execution state changed
-	void stateChanged();
+	void newBlock();
+	/// Execution state changed
+	void runStateChanged();
 	/// Show debugger window request
-	void showDebuggerWindow();
+	void debugDataReady(QObject* _debugData);
 	/// ethereum.js RPC response ready
 	/// @param _message RPC response in Json format
 	void apiResponse(QString const& _message);
-
-	/// Emited when machine states are available.
-	void dataAvailable(QList<QVariableDefinition*> const& _returnParams = QList<QVariableDefinition*>(), QList<QObject*> const& _wStates = QList<QObject*>(), AssemblyDebuggerData const& _code = AssemblyDebuggerData());
+	/// New transaction log entry
+	void newTransaction(TransactionLogEntry* _tr);
+	/// State (transaction log) cleared
+	void stateCleared();
 
 private:
 	QString contractAddress() const;
-	void executeSequence(std::vector<TransactionSettings> const& _sequence, u256 _balance, TransactionSettings const& _ctrTransaction = TransactionSettings());
-	ExecutionResult deployContract(bytes const& _code, TransactionSettings const& _tr = TransactionSettings());
-	ExecutionResult callContract(Address const& _contract, bytes const& _data, TransactionSettings const& _tr);
+	void executeSequence(std::vector<TransactionSettings> const& _sequence, u256 _balance);
+	dev::Address deployContract(bytes const& _code, TransactionSettings const& _tr = TransactionSettings());
+	void callContract(Address const& _contract, bytes const& _data, TransactionSettings const& _tr);
+	void onNewTransaction();
+	void onStateReset();
+	void showDebuggerForTransaction(ExecutionResult const& _t);
 
 	AppContext* m_context;
 	std::atomic<bool> m_running;
 	std::unique_ptr<MixClient> m_client;
 	std::unique_ptr<RpcConnector> m_rpcConnector;
 	std::unique_ptr<Web3Server> m_web3Server;
+	Address m_contractAddress;
+	std::map<QString, Address> m_stdContractAddresses;
+	std::map<Address, QString> m_stdContractNames;
 };
 
 }

mix/CodeEditorExtensionManager.cpp

@@ -51,7 +51,6 @@ void CodeEditorExtensionManager::loadEditor(QQuickItem* _editor)
 {
 	if (!_editor)
 		return;
-
 }
 
 void CodeEditorExtensionManager::initExtensions()

mix/CodeModel.cpp

@@ -32,6 +32,7 @@
 #include "QFunctionDefinition.h"
 #include "QVariableDeclaration.h"
 #include "CodeHighlighter.h"
+#include "FileIo.h"
 #include "CodeModel.h"
 
 using namespace dev::mix;
@@ -132,7 +133,7 @@ void CodeModel::runCompilationJob(int _jobId, QString const& _code)
 	if (_jobId != m_backgroundJobId)
 		return; //obsolete job
 
-	solidity::CompilerStack cs;
+	solidity::CompilerStack cs(true);
 	std::unique_ptr<CompilationResult> result;
 
 	std::string source = _code.toStdString();
@@ -141,10 +142,12 @@ void CodeModel::runCompilationJob(int _jobId, QString const& _code)
 	auto codeHighlighter = std::make_shared<CodeHighlighter>();
 	codeHighlighter->processSource(source);
 
+	cs.addSource("configUser", R"(contract configUser{function configAddr()constant returns(address a){ return 0xf025d81196b72fba60a1d4dddad12eeb8360d828;}})");
+
 	// run compilation
 	try
 	{
-		cs.setSource(source);
+		cs.addSource("", source);
 		cs.compile(false);
 		codeHighlighter->processAST(cs.getAST());
 		result.reset(new CompilationResult(cs));
@@ -188,3 +191,23 @@ void CodeModel::updateFormatting(QTextDocument* _document)
 {
 	m_result->codeHighlighter()->updateFormatting(_document, *m_codeHighlighterSettings);
 }
+
+dev::bytes const& CodeModel::getStdContractCode(const QString& _contractName, const QString& _url)
+{
+	auto cached = m_compiledContracts.find(_contractName);
+	if (cached != m_compiledContracts.end())
+		return cached->second;
+
+	FileIo fileIo;
+	std::string source = fileIo.readFile(_url).toStdString();
+	solidity::CompilerStack cs(false);
+	cs.setSource(source);
+	cs.compile(false);
+	for (std::string const& name: cs.getContractNames())
+	{
+		dev::bytes code = cs.getBytecode(name);
+		m_compiledContracts.insert(std::make_pair(QString::fromStdString(name), std::move(code)));
+	}
+	return m_compiledContracts.at(_contractName);
+}
+

mix/CodeModel.h

@@ -24,6 +24,7 @@
 
 #include <memory>
 #include <atomic>
+#include <map>
 #include <QObject>
 #include <QThread>
 #include <libdevcore/Common.h>
@@ -131,6 +132,8 @@ public:
 	bool hasContract() const;
 	/// Apply text document formatting. @todo Move this to editor module
 	void updateFormatting(QTextDocument* _document);
+	/// Get contract code by url. Contract is compiled on first access and cached
+	dev::bytes const& getStdContractCode(QString const& _contractName, QString const& _url);
 
 signals:
 	/// Emited on compilation state change
@@ -163,6 +166,7 @@ private:
 	QThread m_backgroundThread;
 	BackgroundWorker m_backgroundWorker;
 	int m_backgroundJobId = 0; //protects from starting obsolete compilation job
+	std::map<QString, dev::bytes> m_compiledContracts; //by name
 	friend class BackgroundWorker;
 };
 

mix/DebuggingStateWrapper.cpp

@@ -20,10 +20,11 @@
  * Used to translate c++ type (u256, bytes, ...) into friendly value (to be used by QML).
  */
 
-#include <QApplication>
+#include <tuple>
 #include <QDebug>
 #include <QPointer>
 #include <QQmlEngine>
+#include <QVariantList>
 #include <libevmcore/Instruction.h>
 #include <libdevcore/CommonJS.h>
 #include <libdevcrypto/Common.h>
@@ -35,10 +36,42 @@ using namespace dev;
 using namespace dev::eth;
 using namespace dev::mix;
 
-std::tuple<QList<QObject*>, QQMLMap*> DebuggingStateWrapper::getHumanReadableCode(const bytes& _code)
+namespace
 {
-	QList<QObject*> codeStr;
-	QMap<int, int> codeMapping;
+	static QVariantList memDumpToList(bytes const& _bytes, unsigned _width)
+	{
+		QVariantList dumpList;
+		for (unsigned i = 0; i < _bytes.size(); i += _width)
+		{
+			std::stringstream ret;
+
+			for (unsigned j = i; j < i + _width; ++j)
+				if (j < _bytes.size())
+					if (_bytes[j] >= 32 && _bytes[j] < 127)
+						ret << (char)_bytes[j];
+					else
+						ret << '?';
+				else
+					ret << ' ';
+			QString strPart = QString::fromStdString(ret.str());
+
+			ret.clear();
+			ret.str(std::string());
+
+			for (unsigned j = i; j < i + _width && j < _bytes.size(); ++j)
+				ret << std::setfill('0') << std::setw(2) << std::hex << (unsigned)_bytes[j] << " ";
+			QString hexPart = QString::fromStdString(ret.str());
+
+			QStringList line = { strPart, hexPart };
+			dumpList.push_back(line);
+		}
+		return dumpList;
+	}
+}
+
+QCode* QMachineState::getHumanReadableCode(QObject* _owner, const bytes& _code)
+{
+	QVariantList codeStr;
 	for (unsigned i = 0; i <= _code.size(); ++i)
 	{
 		byte b = i < _code.size() ? _code[i] : 0;
@@ -47,7 +80,6 @@ std::tuple<QList<QObject*>, QQMLMap*> DebuggingStateWrapper::getHumanReadableCod
 			QString s = QString::fromStdString(instructionInfo((Instruction)b).name);
 			std::ostringstream out;
 			out << std::hex << std::setw(4) << std::setfill('0') << i;
-			codeMapping[i] = codeStr.size();
 			int line = i;
 			if (b >= (byte)Instruction::PUSH1 && b <= (byte)Instruction::PUSH32)
 			{
@@ -55,8 +87,7 @@ std::tuple<QList<QObject*>, QQMLMap*> DebuggingStateWrapper::getHumanReadableCod
 				s = "PUSH 0x" + QString::fromStdString(toHex(bytesConstRef(&_code[i + 1], bc)));
 				i += bc;
 			}
-			QPointer<HumanReadableCode> humanCode(new HumanReadableCode(QString::fromStdString(out.str()) + "  "  + s, line));
-			codeStr.append(humanCode);
+			codeStr.append(QVariant::fromValue(new QInstruction(_owner, QString::fromStdString(out.str()) + "  "  + s, line)));
 		}
 		catch (...)
 		{
@@ -65,160 +96,76 @@ std::tuple<QList<QObject*>, QQMLMap*> DebuggingStateWrapper::getHumanReadableCod
 			break;	// probably hit data segment
 		}
 	}
-	return std::make_tuple(codeStr, QPointer<QQMLMap>(new QQMLMap(codeMapping)));
+	return new QCode(_owner, std::move(codeStr));
 }
 
-QBigInt* DebuggingStateWrapper::gasCost()
+QBigInt* QMachineState::gasCost()
 {
 	return new QBigInt(m_state.gasCost);
 }
 
-QBigInt* DebuggingStateWrapper::gas()
+QBigInt* QMachineState::gas()
 {
 	return new QBigInt(m_state.gas);
 }
 
-QBigInt* DebuggingStateWrapper::newMemSize()
+QBigInt* QMachineState::newMemSize()
 {
 	return new QBigInt(m_state.newMemSize);
 }
 
-QStringList DebuggingStateWrapper::debugStack()
+QStringList QMachineState::debugStack()
 {
 	QStringList stack;
 	for (std::vector<u256>::reverse_iterator i = m_state.stack.rbegin(); i != m_state.stack.rend(); ++i)
 		stack.append(QString::fromStdString(prettyU256(*i)));
-	return fillList(stack, "");
+	return stack;
 }
 
-QStringList DebuggingStateWrapper::debugStorage()
+QStringList QMachineState::debugStorage()
 {
 	QStringList storage;
 	for (auto const& i: m_state.storage)
 	{
 		std::stringstream s;
-		s << "@" << prettyU256(i.first) << " " << prettyU256(i.second);
+		s << "@" << prettyU256(i.first) << "\t" << prettyU256(i.second);
 		storage.append(QString::fromStdString(s.str()));
 	}
-	return fillList(storage, "@ -");
+	return storage;
 }
 
-QVariantList DebuggingStateWrapper::debugMemory()
+QVariantList QMachineState::debugMemory()
 {
-	std::vector<std::vector<std::string>> dump = memDumpToList(m_state.memory, 16);
-	QStringList filled;
-	filled.append(" ");
-	filled.append(" ");
-	filled.append(" ");
-	return fillList(qVariantDump(dump), QVariant(filled));
+	return memDumpToList(m_state.memory, 16);
 }
 
-QVariantList DebuggingStateWrapper::debugCallData()
+QCallData* QMachineState::getDebugCallData(QObject* _owner, bytes const& _data)
 {
-	std::vector<std::vector<std::string>> dump = memDumpToList(m_data, 16);
-	QStringList filled;
-	filled.append(" ");
-	filled.append(" ");
-	filled.append(" ");
-	return fillList(qVariantDump(dump), QVariant(filled));
+	return new QCallData(_owner, memDumpToList(_data, 16));
 }
 
-std::vector<std::vector<std::string>> DebuggingStateWrapper::memDumpToList(bytes const& _bytes, unsigned _width)
+QVariantList QMachineState::levels()
 {
-	std::vector<std::vector<std::string>> dump;
-	for (unsigned i = 0; i < _bytes.size(); i += _width)
-	{
-		std::stringstream ret;
-		std::vector<std::string> dumpLine;
-		ret << std::hex << std::setw(4) << std::setfill('0') << i << " ";
-		dumpLine.push_back(ret.str());
-		ret.str(std::string());
-		ret.clear();
-
-		for (unsigned j = i; j < i + _width; ++j)
-			if (j < _bytes.size())
-				if (_bytes[j] >= 32 && _bytes[j] < 127)
-					ret << (char)_bytes[j];
-				else
-					ret << '?';
-			else
-				ret << ' ';
-		dumpLine.push_back(ret.str());
-		ret.str(std::string());
-		ret.clear();
-
-		for (unsigned j = i; j < i + _width && j < _bytes.size(); ++j)
-			ret << std::setfill('0') << std::setw(2) << std::hex << (unsigned)_bytes[j] << " ";
-		dumpLine.push_back(ret.str());
-		dump.push_back(dumpLine);
-	}
-	return dump;
-}
-
-QVariantList DebuggingStateWrapper::qVariantDump(std::vector<std::vector<std::string>> const& _dump)
-{
-	QVariantList ret;
-	for (std::vector<std::string> const& line: _dump)
-	{
-		QStringList qLine;
-		for (std::string const& cell: line)
-			qLine.push_back(QString::fromStdString(cell));
-		ret.append(QVariant(qLine));
-	}
-	return ret;
-}
-
-QStringList DebuggingStateWrapper::fillList(QStringList& _list, QString const& _emptyValue)
-{
-	if (_list.size() < 20)
-	{
-		for (int k = _list.size(); k < 20 - _list.size(); k++)
-			_list.append(_emptyValue);
-	}
-	return _list;
-}
-
-QVariantList DebuggingStateWrapper::fillList(QVariantList _list, QVariant const& _emptyValue)
-{
-	if (_list.size() < 20)
-	{
-		for (int k = _list.size(); k < 20 - _list.size(); k++)
-			_list.append(_emptyValue);
-	}
-	return _list;
-}
-
-
-QStringList DebuggingStateWrapper::levels()
-{
-	QStringList levelsStr;
-	for (unsigned i = 0; i <= m_state.levels.size(); ++i)
-	{
-		std::ostringstream out;
-		out << m_state.cur.abridged();
-		if (i)
-			out << " " << instructionInfo(m_state.inst).name << " @0x" << std::hex << m_state.curPC;
-		levelsStr.append(QString::fromStdString(out.str()));
-	}
-	return levelsStr;
+	QVariantList levelList;
+	for (unsigned l: m_state.levels)
+		levelList.push_back(l);
+	return levelList;
 }
 
-QString DebuggingStateWrapper::headerInfo()
+QString QMachineState::address()
 {
-	std::ostringstream ss;
-	ss << std::dec << " " << QApplication::tr("STEP").toStdString() << " : " << m_state.steps << "  |  PC: 0x" << std::hex << m_state.curPC << "  :  " << dev::eth::instructionInfo(m_state.inst).name << "  |  ADDMEM: " << std::dec << m_state.newMemSize << " " << QApplication::tr("words").toStdString() << " | " << QApplication::tr("COST").toStdString() << " : " << std::dec << m_state.gasCost <<  "  | " << QApplication::tr("GAS").toStdString() << " : " << std::dec << m_state.gas;
-	return QString::fromStdString(ss.str());
+	return QString::fromStdString(toString(m_state.address));
 }
 
-QString DebuggingStateWrapper::instruction()
+QString QMachineState::instruction()
 {
 	return QString::fromStdString(dev::eth::instructionInfo(m_state.inst).name);
 }
 
-QString DebuggingStateWrapper::endOfDebug()
+QString QMachineState::endOfDebug()
 {
 	if (m_state.gasCost > m_state.gas)
-		return QApplication::tr("OUT-OF-GAS");
+		return QObject::tr("OUT-OF-GAS");
 	else if (m_state.inst == Instruction::RETURN && m_state.stack.size() >= 2)
 	{
 		unsigned from = (unsigned)m_state.stack.back();
@@ -227,12 +174,12 @@ QString DebuggingStateWrapper::endOfDebug()
 		bytes out(size, 0);
 		for (; o < size && from + o < m_state.memory.size(); ++o)
 			out[o] = m_state.memory[from + o];
-		return QApplication::tr("RETURN") + " " + QString::fromStdString(dev::memDump(out, 16, false));
+		return QObject::tr("RETURN") + " " + QString::fromStdString(dev::memDump(out, 16, false));
 	}
 	else if (m_state.inst == Instruction::STOP)
-		return QApplication::tr("STOP");
+		return QObject::tr("STOP");
 	else if (m_state.inst == Instruction::SUICIDE && m_state.stack.size() >= 1)
-		return QApplication::tr("SUICIDE") + " 0x" + QString::fromStdString(toString(right160(m_state.stack.back())));
+		return QObject::tr("SUICIDE") + " 0x" + QString::fromStdString(toString(right160(m_state.stack.back())));
 	else
-		return QApplication::tr("EXCEPTION");
+		return QObject::tr("EXCEPTION");
 }

mix/DebuggingStateWrapper.h

@@ -39,45 +39,70 @@ namespace mix
 /**
  * @brief Contains the line nb of the assembly code and the corresponding index in the code bytes array.
  */
-class HumanReadableCode: public QObject
+class QInstruction: public QObject
 {
 	Q_OBJECT
-	Q_PROPERTY(QString line READ line CONSTANT)
-	Q_PROPERTY(int processIndex READ processIndex CONSTANT)
+	Q_PROPERTY(QString line MEMBER m_line CONSTANT)
+	Q_PROPERTY(int processIndex MEMBER m_processIndex CONSTANT)
 
 public:
-	HumanReadableCode(QString _line, int _processIndex): QObject(), m_line(_line), m_processIndex(_processIndex) {}
-	/// Get the assembly code line.
-	QString line() { return m_line; }
-	/// Get corresponding index.
-	int processIndex() { return m_processIndex; }
+	QInstruction(QObject* _owner, QString _line, int _processIndex): QObject(_owner), m_line(_line), m_processIndex(_processIndex) {}
 
 private:
 	QString m_line;
 	int m_processIndex;
 };
 
+/**
+ * @brief Shared container for lines
+ */
+class QCode: public QObject
+{
+	Q_OBJECT
+	Q_PROPERTY(QVariantList instructions MEMBER m_instructions CONSTANT)
+
+public:
+	QCode(QObject* _owner, QVariantList&& _instrunctions): QObject(_owner), m_instructions(_instrunctions) {}
+
+private:
+	QVariantList m_instructions;
+};
+
+/**
+ * @brief Shared container for call data
+ */
+class QCallData: public QObject
+{
+	Q_OBJECT
+	Q_PROPERTY(QVariantList items MEMBER m_items CONSTANT)
+
+public:
+	QCallData(QObject* _owner, QVariantList&& _items): QObject(_owner), m_items(_items) {}
+
+private:
+	QVariantList m_items;
+};
 
 /**
- * @brief Publish QMap type to QML.
+ * @brief Shared container for machine states
  */
-class QQMLMap: public QObject
+class QDebugData: public QObject
 {
 	Q_OBJECT
+	Q_PROPERTY(QVariantList states MEMBER m_states CONSTANT)
 
 public:
-	QQMLMap(QMap<int, int> _map): QObject(), m_map(_map) { }
-	/// Get the value associated with _key store in n_map.
-	Q_INVOKABLE int getValue(int _key) { return m_map.value(_key); }
+	QDebugData() { }
+	void setStates(QVariantList&& _states) { m_states = _states; }
 
 private:
-	QMap<int, int> m_map;
+	QVariantList m_states;
 };
 
 /**
- * @brief Wrap DebuggingState in QObject
+ * @brief Wrap MachineState in QObject
  */
-class DebuggingStateWrapper: public QObject
+class QMachineState: public QObject
 {
 	Q_OBJECT
 	Q_PROPERTY(int step READ step CONSTANT)
@@ -85,21 +110,31 @@ class DebuggingStateWrapper: public QObject
 	Q_PROPERTY(QBigInt* gasCost READ gasCost CONSTANT)
 	Q_PROPERTY(QBigInt* gas READ gas CONSTANT)
 	Q_PROPERTY(QString instruction READ instruction CONSTANT)
+	Q_PROPERTY(QString address READ address CONSTANT)
 	Q_PROPERTY(QStringList debugStack READ debugStack CONSTANT)
 	Q_PROPERTY(QStringList debugStorage READ debugStorage CONSTANT)
 	Q_PROPERTY(QVariantList debugMemory READ debugMemory CONSTANT)
-	Q_PROPERTY(QVariantList debugCallData READ debugCallData CONSTANT)
-	Q_PROPERTY(QString headerInfo READ headerInfo CONSTANT)
+	Q_PROPERTY(QObject* code MEMBER m_code CONSTANT)
+	Q_PROPERTY(QObject* callData MEMBER m_callData CONSTANT)
 	Q_PROPERTY(QString endOfDebug READ endOfDebug CONSTANT)
 	Q_PROPERTY(QBigInt* newMemSize READ newMemSize CONSTANT)
-	Q_PROPERTY(QStringList levels READ levels CONSTANT)
+	Q_PROPERTY(QVariantList levels READ levels CONSTANT)
+	Q_PROPERTY(unsigned codeIndex READ codeIndex CONSTANT)
+	Q_PROPERTY(unsigned dataIndex READ dataIndex CONSTANT)
 
 public:
-	DebuggingStateWrapper(bytes _code, bytes _data): QObject(), m_code(_code), m_data(_data) {}
+	QMachineState(QObject* _owner, MachineState const& _state, QCode* _code, QCallData* _callData):
+		QObject(_owner), m_state(_state), m_code(_code), m_callData(_callData) {}
 	/// Get the step of this machine states.
 	int step() { return  (int)m_state.steps; }
 	/// Get the proccessed code index.
 	int curPC() { return (int)m_state.curPC; }
+	/// Get the code id
+	unsigned codeIndex() { return m_state.codeIndex; }
+	/// Get the call data id
+	unsigned dataIndex() { return m_state.dataIndex; }
+	/// Get address for call stack
+	QString address();
 	/// Get gas cost.
 	QBigInt* gasCost();
 	/// Get gas used.
@@ -110,10 +145,6 @@ public:
 	QStringList debugStorage();
 	/// Get memory.
 	QVariantList debugMemory();
-	/// Get call data.
-	QVariantList debugCallData();
-	/// Get info to be displayed in the header.
-	QString headerInfo();
 	/// get end of debug information.
 	QString endOfDebug();
 	/// Get the new memory size.
@@ -121,25 +152,20 @@ public:
 	/// Get current instruction
 	QString instruction();
 	/// Get all previous steps.
-	QStringList levels();
+	QVariantList levels();
 	/// Get the current processed machine state.
 	MachineState state() { return m_state; }
 	/// Set the current processed machine state.
 	void setState(MachineState _state) { m_state = _state;  }
-	/// Convert all machine state in human readable code.
-	static std::tuple<QList<QObject*>, QQMLMap*> getHumanReadableCode(bytes const& _code);
+	/// Convert all machine states in human readable code.
+	static QCode* getHumanReadableCode(QObject* _owner, bytes const& _code);
+	/// Convert call data into human readable form
+	static QCallData* getDebugCallData(QObject* _owner, bytes const& _data);
 
 private:
 	MachineState m_state;
-	bytes m_code;
-	bytes m_data;
-	QStringList fillList(QStringList& _list, QString const& _emptyValue);
-	QVariantList fillList(QVariantList _list, QVariant const& _emptyValue);
-	QVariantList qVariantDump(std::vector<std::vector<std::string>> const& _dump);
-	/// Nicely renders the given bytes to a string, store the content in an array.
-	/// @a _bytes: bytes array to be rendered as string. @a _width of a bytes line.
-	std::vector<std::vector<std::string>> memDumpToList(bytes const& _bytes, unsigned _width);
-
+	QCode* m_code;
+	QCallData* m_callData;
 };
 
 }

mix/Exceptions.h

@@ -35,9 +35,15 @@ namespace mix
 
 struct QmlLoadException: virtual Exception {};
 struct FileIoException: virtual Exception {};
+struct InvalidBlockException: virtual Exception {};
+struct FunctionNotFoundException: virtual Exception {};
+struct ExecutionStateException: virtual Exception {};
+struct ParameterChangedException: virtual Exception {};
 
 typedef boost::error_info<struct tagQmlError, QQmlError> QmlErrorInfo;
 typedef boost::error_info<struct tagFileError, std::string> FileError;
+typedef boost::error_info<struct tagBlockIndex, unsigned> BlockIndex;
+typedef boost::error_info<struct tagFunctionName, std::string> FunctionName;
 
 }
 }

mix/HttpServer.cpp

@@ -72,7 +72,7 @@ void HttpServer::setPort(int _port)
 
 QString HttpServer::errorString() const
 {
-	return this->errorString();
+	return QTcpServer::errorString();
 }
 
 void HttpServer::setListen(bool _listen)

mix/MixApplication.cpp

@@ -36,7 +36,7 @@ using namespace dev::mix;
 MixApplication::MixApplication(int _argc, char* _argv[]):
 	QApplication(_argc, _argv), m_engine(new QQmlApplicationEngine()), m_appContext(new AppContext(m_engine.get()))
 {
-	setOrganizationName(tr("Ethreum"));
+	setOrganizationName(tr("Ethereum"));
 	setOrganizationDomain(tr("ethereum.org"));
 	setApplicationName(tr("Mix"));
 	setApplicationVersion("0.1");

mix/MixClient.cpp

@@ -29,14 +29,17 @@
 #include <libethereum/ExtVM.h>
 #include <libevm/VM.h>
 
+#include "Exceptions.h"
 #include "MixClient.h"
 
 using namespace dev;
 using namespace dev::eth;
 using namespace dev::mix;
 
+const Secret c_stdSecret = Secret("cb73d9408c4720e230387d956eb0f829d8a4dd2c1055f96257167e14e7169074");
+
 MixClient::MixClient():
-	m_userAccount(KeyPair::create())
+	m_userAccount(c_stdSecret)
 {
 	resetState(10000000 * ether);
 }
@@ -44,38 +47,71 @@ MixClient::MixClient():
 void MixClient::resetState(u256 _balance)
 {
 	WriteGuard l(x_state);
-	m_state = eth::State(Address(), m_stateDB, BaseState::Empty);
+	Guard fl(m_filterLock);
+	m_filters.clear();
+	m_watches.clear();
+	m_state = eth::State(m_userAccount.address(), m_stateDB, BaseState::Empty);
 	m_state.addBalance(m_userAccount.address(), _balance);
+	Block genesis;
+	genesis.state = m_state;
+	Block open;
+	m_blocks = Blocks { genesis, open }; //last block contains a list of pending transactions to be finalized
 }
 
-void MixClient::executeTransaction(bytesConstRef _rlp, State& _state)
+void MixClient::executeTransaction(Transaction const& _t, State& _state)
 {
+	bytes rlp = _t.rlp();
 	Executive execution(_state, LastHashes(), 0);
-	execution.setup(_rlp);
-	bytes code;
-	bytesConstRef data;
-	bool firstIteration = true;
+	execution.setup(&rlp);
 	std::vector<MachineState> machineStates;
-	std::vector<MachineState const*> levels;
+	std::vector<unsigned> levels;
+	std::vector<bytes> codes;
+	std::map<bytes const*, unsigned> codeIndexes;
+	std::vector<bytes> data;
+	std::map<bytesConstRef const*, unsigned> dataIndexes;
+	bytes const* lastCode = nullptr;
+	bytesConstRef const* lastData = nullptr;
+	unsigned codeIndex = 0;
+	unsigned dataIndex = 0;
 	auto onOp = [&](uint64_t steps, Instruction inst, dev::bigint newMemSize, dev::bigint gasCost, void* voidVM, void const* voidExt)
 	{
 		VM& vm = *(VM*)voidVM;
 		ExtVM const& ext = *(ExtVM const*)voidExt;
+		if (lastCode == nullptr || lastCode != &ext.code)
+		{
+			auto const& iter = codeIndexes.find(&ext.code);
+			if (iter != codeIndexes.end())
+				codeIndex = iter->second;
+			else
+			{
+				codeIndex = codes.size();
+				codes.push_back(ext.code);
+				codeIndexes[&ext.code] = codeIndex;
+			}
+			lastCode = &ext.code;
+		}
 
-		if (firstIteration)
+		if (lastData == nullptr || lastData != &ext.data)
+		{
+			auto const& iter = dataIndexes.find(&ext.data);
+			if (iter != dataIndexes.end())
+				dataIndex = iter->second;
+			else
 			{
-			code = ext.code;
-			data = ext.data;
-			firstIteration = false;
+				dataIndex = data.size();
+				data.push_back(ext.data.toBytes());
+				dataIndexes[&ext.data] = dataIndex;
+			}
+			lastData = &ext.data;
 		}
 
 		if (levels.size() < ext.depth)
-			levels.push_back(&machineStates.back());
+			levels.push_back(machineStates.size() - 1);
 		else
 			levels.resize(ext.depth);
 
-		machineStates.push_back(MachineState({steps, ext.myAddress, vm.curPC(), inst, newMemSize, vm.gas(),
-									  vm.stack(), vm.memory(), gasCost, ext.state().storage(ext.myAddress), levels}));
+		machineStates.emplace_back(MachineState({steps, ext.myAddress, vm.curPC(), inst, newMemSize, vm.gas(),
+									  vm.stack(), vm.memory(), gasCost, ext.state().storage(ext.myAddress), levels, codeIndex, dataIndex}));
 	};
 
 	execution.go(onOp);
@@ -84,18 +120,63 @@ void MixClient::executeTransaction(bytesConstRef _rlp, State& _state)
 	ExecutionResult d;
 	d.returnValue = execution.out().toVector();
 	d.machineStates = machineStates;
-	d.executionCode = code;
-	d.executionData = data;
-	d.contentAvailable = true;
-	d.message = "ok";
-	d.contractAddress = m_lastExecutionResult.contractAddress;
-	m_lastExecutionResult = d;
+	d.executionCode = std::move(codes);
+	d.transactionData = std::move(data);
+	d.address = _t.receiveAddress();
+	d.sender = _t.sender();
+	d.value = _t.value();
+	if (_t.isCreation())
+		d.contractAddress = right160(sha3(rlpList(_t.sender(), _t.nonce())));
+	d.receipt = TransactionReceipt(m_state.rootHash(), execution.gasUsed(), execution.logs()); //TODO: track gas usage
+	m_blocks.back().transactions.emplace_back(d);
+
+	h256Set changed;
+	Guard l(m_filterLock);
+	for (std::pair<h256 const, eth::InstalledFilter>& i: m_filters)
+		if ((unsigned)i.second.filter.latest() > m_blocks.size() - 1)
+		{
+			// acceptable number.
+			auto m = i.second.filter.matches(d.receipt);
+			if (m.size())
+			{
+				// filter catches them
+				for (LogEntry const& l: m)
+					i.second.changes.push_back(LocalisedLogEntry(l, m_blocks.size()));
+				changed.insert(i.first);
+			}
+		}
+	changed.insert(dev::eth::PendingChangedFilter);
+	noteChanged(changed);
 }
 
 void MixClient::validateBlock(int _block) const
 {
-	//TODO: throw exception here if _block != 0
-	(void)_block;
+	if (_block != -1 && _block != 0 && (unsigned)_block >= m_blocks.size() - 1)
+		BOOST_THROW_EXCEPTION(InvalidBlockException() << BlockIndex(_block));
+}
+
+void MixClient::mine()
+{
+	WriteGuard l(x_state);
+	Block& block = m_blocks.back();
+	m_state.completeMine();
+	block.state = m_state;
+	block.info = m_state.info();
+	block.hash = block.info.hash;
+	m_blocks.push_back(Block());
+	h256Set changed { dev::eth::PendingChangedFilter, dev::eth::ChainChangedFilter };
+	noteChanged(changed);
+}
+
+State const& MixClient::asOf(int _block) const
+{
+	validateBlock(_block);
+	if (_block == 0)
+		return m_blocks[m_blocks.size() - 2].state;
+	else if (_block == -1)
+		return m_state;
+	else
+		return m_blocks[_block].state;
 }
 
 void MixClient::transact(Secret _secret, u256 _value, Address _dest, bytes const& _data, u256 _gas, u256 _gasPrice)
@@ -103,8 +184,7 @@ void MixClient::transact(Secret _secret, u256 _value, Address _dest, bytes const
 	WriteGuard l(x_state);
 	u256 n = m_state.transactionsFrom(toAddress(_secret));
 	Transaction t(_value, _gasPrice, _gas, _dest, _data, n, _secret);
-	bytes rlp = t.rlp();
-	executeTransaction(&rlp, m_state);
+	executeTransaction(t, m_state);
 }
 
 Address MixClient::transact(Secret _secret, u256 _endowment, bytes const& _init, u256 _gas, u256 _gasPrice)
@@ -112,17 +192,16 @@ Address MixClient::transact(Secret _secret, u256 _endowment, bytes const& _init,
 	WriteGuard l(x_state);
 	u256 n = m_state.transactionsFrom(toAddress(_secret));
 	eth::Transaction t(_endowment, _gasPrice, _gas, _init, n, _secret);
-	bytes rlp = t.rlp();
-	executeTransaction(&rlp, m_state);
+	executeTransaction(t, m_state);
 	Address address = right160(sha3(rlpList(t.sender(), t.nonce())));
-	m_lastExecutionResult.contractAddress = address;
 	return address;
 }
 
 void MixClient::inject(bytesConstRef _rlp)
 {
 	WriteGuard l(x_state);
-	executeTransaction(_rlp, m_state);
+	eth::Transaction t(_rlp, CheckSignature::None);
+	executeTransaction(t, m_state);
 }
 
 void MixClient::flushTransactions()
@@ -140,92 +219,154 @@ bytes MixClient::call(Secret _secret, u256 _value, Address _dest, bytes const& _
 	}
 	Transaction t(_value, _gasPrice, _gas, _dest, _data, n, _secret);
 	bytes rlp = t.rlp();
-	WriteGuard lw(x_state); //TODO: lock is required only for last executoin state
-	executeTransaction(&rlp, temp);
-	return m_lastExecutionResult.returnValue;
+	WriteGuard lw(x_state); //TODO: lock is required only for last execution state
+	executeTransaction(t, temp);
+	return m_blocks.back().transactions.back().returnValue;
 }
 
 u256 MixClient::balanceAt(Address _a, int _block) const
 {
-	validateBlock(_block);
 	ReadGuard l(x_state);
-	return m_state.balance(_a);
+	return asOf(_block).balance(_a);
 }
 
 u256 MixClient::countAt(Address _a, int _block) const
 {
-	validateBlock(_block);
 	ReadGuard l(x_state);
-	return m_state.transactionsFrom(_a);
+	return asOf(_block).transactionsFrom(_a);
 }
 
 u256 MixClient::stateAt(Address _a, u256 _l, int _block) const
 {
-	validateBlock(_block);
 	ReadGuard l(x_state);
-	return m_state.storage(_a, _l);
+	return asOf(_block).storage(_a, _l);
 }
 
 bytes MixClient::codeAt(Address _a, int _block) const
 {
-	validateBlock(_block);
 	ReadGuard l(x_state);
-	return m_state.code(_a);
+	return asOf(_block).code(_a);
 }
 
 std::map<u256, u256> MixClient::storageAt(Address _a, int _block) const
 {
-	validateBlock(_block);
 	ReadGuard l(x_state);
-	return m_state.storage(_a);
+	return asOf(_block).storage(_a);
 }
 
 eth::LocalisedLogEntries MixClient::logs(unsigned _watchId) const
 {
-	(void)_watchId;
-	return LocalisedLogEntries();
+	Guard l(m_filterLock);
+	h256 h = m_watches.at(_watchId).id;
+	auto filterIter = m_filters.find(h);
+	if (filterIter != m_filters.end())
+		return logs(filterIter->second.filter);
+	return eth::LocalisedLogEntries();
 }
 
-eth::LocalisedLogEntries MixClient::logs(eth::LogFilter const& _filter) const
+eth::LocalisedLogEntries MixClient::logs(eth::LogFilter const& _f) const
 {
-	(void)_filter;
-	return LocalisedLogEntries();
+	LocalisedLogEntries ret;
+	unsigned lastBlock = m_blocks.size() - 1; //last block contains pending transactions
+	unsigned block = std::min<unsigned>(lastBlock, (unsigned)_f.latest());
+	unsigned end = std::min(lastBlock, std::min(block, (unsigned)_f.earliest()));
+	for (; ret.size() != _f.max() && block != end; block--)
+	{
+		bool pendingBlock = (block == lastBlock);
+		if (pendingBlock || _f.matches(m_blocks[block].info.logBloom))
+			for (ExecutionResult const& t: m_blocks[block].transactions)
+				if (pendingBlock || _f.matches(t.receipt.bloom()))
+				{
+					LogEntries logEntries = _f.matches(t.receipt);
+					if (logEntries.size())
+					{
+						for (unsigned entry = _f.skip(); entry < logEntries.size() && ret.size() != _f.max(); ++entry)
+							ret.insert(ret.begin(), LocalisedLogEntry(logEntries[entry], block));
+					}
+				}
+	}
+	return ret;
 }
 
-unsigned MixClient::installWatch(eth::LogFilter const& _filter)
+unsigned MixClient::installWatch(h256 _h)
+{
+	unsigned ret;
 	{
-	(void)_filter;
-	BOOST_THROW_EXCEPTION(InterfaceNotSupported("dev::eth::Interface::installWatch"));
+		Guard l(m_filterLock);
+		ret = m_watches.size() ? m_watches.rbegin()->first + 1 : 0;
+		m_watches[ret] = ClientWatch(_h);
+	}
+	auto ch = logs(ret);
+	if (ch.empty())
+		ch.push_back(eth::InitialChange);
+	{
+		Guard l(m_filterLock);
+		swap(m_watches[ret].changes, ch);
+	}
+	return ret;
 }
 
-unsigned MixClient::installWatch(h256 _filterId)
+unsigned MixClient::installWatch(eth::LogFilter const& _f)
+{
+	h256 h = _f.sha3();
 	{
-	(void)_filterId;
-	BOOST_THROW_EXCEPTION(InterfaceNotSupported("dev::eth::Interface::installWatch"));
+		Guard l(m_filterLock);
+		m_filters.insert(std::make_pair(h, _f));
+	}
+	return installWatch(h);
+}
+
+void MixClient::uninstallWatch(unsigned _i)
+{
+	Guard l(m_filterLock);
+
+	auto it = m_watches.find(_i);
+	if (it == m_watches.end())
+		return;
+	auto id = it->second.id;
+	m_watches.erase(it);
+
+	auto fit = m_filters.find(id);
+	if (fit != m_filters.end())
+		if (!--fit->second.refCount)
+			m_filters.erase(fit);
 }
 
-void MixClient::uninstallWatch(unsigned _watchId)
+void MixClient::noteChanged(h256Set const& _filters)
+{
+	for (auto& i: m_watches)
+		if (_filters.count(i.second.id))
 		{
-	(void)_watchId;
-	BOOST_THROW_EXCEPTION(InterfaceNotSupported("dev::eth::Interface::uninstallWatch"));
+			if (m_filters.count(i.second.id))
+				i.second.changes += m_filters.at(i.second.id).changes;
+			else
+				i.second.changes.push_back(LocalisedLogEntry(SpecialLogEntry, 0));
+		}
+	for (auto& i: m_filters)
+		i.second.changes.clear();
 }
 
-eth::LocalisedLogEntries MixClient::peekWatch(unsigned _watchId) const
+LocalisedLogEntries MixClient::peekWatch(unsigned _watchId) const
 {
-	(void)_watchId;
-	BOOST_THROW_EXCEPTION(InterfaceNotSupported("dev::eth::Interface::peekWatch"));
+	Guard l(m_filterLock);
+	if (_watchId < m_watches.size())
+		return m_watches.at(_watchId).changes;
+	return LocalisedLogEntries();
 }
 
-eth::LocalisedLogEntries MixClient::checkWatch(unsigned _watchId)
+LocalisedLogEntries MixClient::checkWatch(unsigned _watchId)
 {
-	(void)_watchId;
-	BOOST_THROW_EXCEPTION(InterfaceNotSupported("dev::eth::Interface::checkWatch"));
+	Guard l(m_filterLock);
+	LocalisedLogEntries ret;
+	if (_watchId < m_watches.size())
+		std::swap(ret, m_watches.at(_watchId).changes);
+	return ret;
 }
 
 h256 MixClient::hashFromNumber(unsigned _number) const
 {
-	(void)_number;
-	BOOST_THROW_EXCEPTION(InterfaceNotSupported("dev::eth::Interface::hashFromNumber"));
+	validateBlock(_number);
+	return m_blocks[_number].hash;
 }
 
 eth::BlockInfo MixClient::blockInfo(h256 _hash) const
@@ -256,7 +397,7 @@ eth::BlockInfo MixClient::uncle(h256 _blockHash, unsigned _i) const
 
 unsigned MixClient::number() const
 {
-	return 0;
+	return m_blocks.size() - 1;
 }
 
 eth::Transactions MixClient::pending() const

mix/MixClient.h

@@ -23,7 +23,9 @@
 
 #pragma once
 
+#include <vector>
 #include <libethereum/Interface.h>
+#include <libethereum/Client.h>
 
 namespace dev
 {
@@ -36,7 +38,7 @@ namespace mix
 struct MachineState
 {
 	uint64_t steps;
-	dev::Address cur;
+	dev::Address address;
 	dev::u256 curPC;
 	dev::eth::Instruction inst;
 	dev::bigint newMemSize;
@@ -45,7 +47,9 @@ struct MachineState
 	dev::bytes memory;
 	dev::bigint gasCost;
 	std::map<dev::u256, dev::u256> storage;
-	std::vector<MachineState const*> levels;
+	std::vector<unsigned> levels;
+	unsigned codeIndex;
+	unsigned dataIndex;
 };
 
 /**
@@ -53,24 +57,41 @@ struct MachineState
  */
 struct ExecutionResult
 {
+	ExecutionResult(): receipt(dev::h256(), dev::h256(), dev::eth::LogEntries()) {}
+
 	std::vector<MachineState> machineStates;
-	bytes executionCode;
-	bytesConstRef executionData;
-	Address contractAddress;
-	bool contentAvailable;
-	std::string message;
+	std::vector<bytes> transactionData;
+	std::vector<bytes> executionCode;
 	bytes returnValue;
+	dev::Address address;
+	dev::Address sender;
+	dev::Address contractAddress;
+	dev::u256 value;
+	dev::eth::TransactionReceipt receipt;
 };
 
+using ExecutionResults = std::vector<ExecutionResult>;
+
+struct Block
+{
+	ExecutionResults transactions;
+	h256 hash;
+	dev::eth::State state;
+	dev::eth::BlockInfo info;
+};
+
+using Blocks = std::vector<Block>;
+
+
 class MixClient: public dev::eth::Interface
 {
 public:
 	MixClient();
 	/// Reset state to the empty state with given balance.
 	void resetState(u256 _balance);
-	const KeyPair& userAccount() const { return m_userAccount; }
-	const ExecutionResult lastExecutionResult() const { ReadGuard l(x_state); return m_lastExecutionResult; }
-	const Address lastContractAddress() const { ReadGuard l(x_state); return m_lastExecutionResult.contractAddress; }
+	KeyPair const& userAccount() const { return m_userAccount; }
+	void mine();
+	Blocks const& record() const { return m_blocks; }
 
 	//dev::eth::Interface
 	void transact(Secret _secret, u256 _value, Address _dest, bytes const& _data, u256 _gas, u256 _gasPrice) override;
@@ -111,14 +132,19 @@ public:
 	eth::MineProgress miningProgress() const override;
 
 private:
-	void executeTransaction(bytesConstRef _rlp, eth::State& _state);
+	void executeTransaction(dev::eth::Transaction const& _t, eth::State& _state);
 	void validateBlock(int _block) const;
+	void noteChanged(h256Set const& _filters);
+	dev::eth::State const& asOf(int _block) const;
 
 	KeyPair m_userAccount;
 	eth::State m_state;
 	OverlayDB m_stateDB;
 	mutable boost::shared_mutex x_state;
-	ExecutionResult m_lastExecutionResult;
+	mutable std::mutex m_filterLock;
+	std::map<h256, dev::eth::InstalledFilter> m_filters;
+	std::map<unsigned, dev::eth::ClientWatch> m_watches;
+	Blocks m_blocks;
 };
 
 }

mix/QContractDefinition.cpp

@@ -34,13 +34,19 @@ using namespace dev::mix;
 QContractDefinition::QContractDefinition(dev::solidity::ContractDefinition const* _contract): QBasicNodeDefinition(_contract)
 {
 	if (_contract->getConstructor() != nullptr)
-	{
-		FunctionDescription desc(_contract->getConstructor());
-		m_constructor = new QFunctionDefinition(desc);
-	}
+		m_constructor = new QFunctionDefinition(ContractType(*_contract).getConstructorType());
 	else
 		m_constructor = new QFunctionDefinition();
 
 	for (auto const& it: _contract->getInterfaceFunctions())
 		m_functions.append(new QFunctionDefinition(it.second));}
 
+
+QFunctionDefinition* QContractDefinition::getFunction(dev::FixedHash<4> _hash)
+{
+	for (auto const& f: m_functions)
+		if (f->hash() == _hash)
+			return f;
+
+	return nullptr;
+}

mix/QContractDefinition.h

@@ -46,6 +46,8 @@ public:
 	/// Get the constructor of the contract.
 	QFunctionDefinition* constructor() const { return m_constructor; }
 	QList<QFunctionDefinition*> const& functionsList() const { return m_functions; }
+	/// Find function by hash, returns nullptr if not found
+	QFunctionDefinition* getFunction(dev::FixedHash<4> _hash);
 private:
 	QList<QFunctionDefinition*> m_functions;
 	QFunctionDefinition* m_constructor;

mix/QFunctionDefinition.cpp

@@ -28,29 +28,15 @@
 using namespace dev::solidity;
 using namespace dev::mix;
 
-QFunctionDefinition::QFunctionDefinition(dev::solidity::FunctionDescription const& _f): QBasicNodeDefinition(_f.getDeclaration()), m_hash(dev::sha3(_f.getSignature()))
+QFunctionDefinition::QFunctionDefinition(dev::solidity::FunctionTypePointer const& _f): QBasicNodeDefinition(&_f->getDeclaration()), m_hash(dev::sha3(_f->getCanonicalSignature()))
 {
-	FunctionDefinition const* funcDef;
-	VariableDeclaration const* varDecl;
-	if ((funcDef = _f.getFunctionDefinition()))
-	{
-		std::vector<std::shared_ptr<VariableDeclaration>> parameters = funcDef->getParameterList().getParameters();
-		for (unsigned i = 0; i < parameters.size(); i++)
-			m_parameters.append(new QVariableDeclaration(parameters.at(i).get()));
-
-		std::vector<std::shared_ptr<VariableDeclaration>> returnParameters = funcDef->getReturnParameters();
-		for (unsigned i = 0; i < returnParameters.size(); i++)
-			m_returnParameters.append(new QVariableDeclaration(returnParameters.at(i).get()));
-	}
-	else
-	{
-		if (!(varDecl = _f.getVariableDeclaration()))
-			BOOST_THROW_EXCEPTION(Exception() << errinfo_comment("Malformed FunctionDescription. Should never happen."));
-
-		// only the return parameter for now.
-		// TODO: change this for other state variables like mapping and maybe abstract this inside solidity and not here
-		auto returnParams = _f.getReturnParameters();
-		m_returnParameters.append(new QVariableDeclaration(returnParams[0]));
-
-	}
+	auto paramNames = _f->getParameterNames();
+	auto paramTypes = _f->getParameterTypeNames();
+	auto returnNames = _f->getReturnParameterNames();
+	auto returnTypes = _f->getReturnParameterTypeNames();
+	for (unsigned i = 0; i < paramNames.size(); ++i)
+		m_parameters.append(new QVariableDeclaration(paramNames[i], paramTypes[i]));
+
+	for (unsigned i = 0; i < returnNames.size(); ++i)
+		m_returnParameters.append(new QVariableDeclaration(returnNames[i], returnTypes[i]));
 }

mix/QFunctionDefinition.h

@@ -39,7 +39,7 @@ class QFunctionDefinition: public QBasicNodeDefinition
 
 public:
 	QFunctionDefinition() {}
-	QFunctionDefinition(solidity::FunctionDescription const& _f);
+	QFunctionDefinition(solidity::FunctionTypePointer const& _f);
 	/// Get all input parameters of this function.
 	QList<QVariableDeclaration*> const& parametersList() const { return m_parameters; }
 	/// Get all input parameters of this function as QML property.

mix/QVariableDeclaration.h

@@ -39,7 +39,7 @@ class QVariableDeclaration: public QBasicNodeDefinition
 public:
 	QVariableDeclaration() {}
 	QVariableDeclaration(solidity::VariableDeclaration const* _v): QBasicNodeDefinition(_v), m_type(QString::fromStdString(_v->getType()->toString())) {}
-	QVariableDeclaration(solidity::ParamDescription const& _v): QBasicNodeDefinition(_v.getName()), m_type(QString::fromStdString(_v.getType())) {}
+	QVariableDeclaration(std::string const& _name, std::string const& _type): QBasicNodeDefinition(_name), m_type(QString::fromStdString(_type)) {}
 	QString type() const { return m_type; }
 
 private:

mix/Web3Server.cpp

@@ -20,8 +20,9 @@
  * Ethereum IDE client.
  */
 
-
 #include <libdevcore/Exceptions.h>
+#include <libdevcore/Log.h>
+#include <libethereum/Interface.h>
 #include "Web3Server.h"
 
 using namespace dev::mix;
@@ -53,3 +54,24 @@ void Web3Server::put(std::string const& _name, std::string const& _key, std::str
 	std::string k(_name + "/" + _key);
 	m_db[k] = _value;
 }
+
+Json::Value Web3Server::eth_changed(int const& _id)
+{
+	cnote << "eth_changed(" << _id << ") ->" << client()->peekWatch(_id).size();
+
+	return WebThreeStubServerBase::eth_changed(_id);
+}
+
+std::string Web3Server::eth_transact(Json::Value const& _json)
+{
+	std::string ret = WebThreeStubServerBase::eth_transact(_json);
+	emit newTransaction();
+	return ret;
+}
+
+std::string Web3Server::eth_call(Json::Value const& _json)
+{
+	std::string ret = WebThreeStubServerBase::eth_call(_json);
+	emit newTransaction();
+	return ret;
+}

mix/Web3Server.h

@@ -24,6 +24,7 @@
 
 #include <map>
 #include <string>
+#include <QObject>
 #include <libweb3jsonrpc/WebThreeStubServerBase.h>
 
 namespace dev
@@ -32,11 +33,21 @@ namespace dev
 namespace mix
 {
 
-class Web3Server: public dev::WebThreeStubServerBase, public dev::WebThreeStubDatabaseFace
+class Web3Server: public QObject, public dev::WebThreeStubServerBase, public dev::WebThreeStubDatabaseFace
 {
+	Q_OBJECT
+
 public:
 	Web3Server(jsonrpc::AbstractServerConnector& _conn, std::vector<dev::KeyPair> const& _accounts, dev::eth::Interface* _client);
 
+signals:
+	void newTransaction();
+
+protected:
+	virtual Json::Value eth_changed(int const& _id) override;
+	virtual std::string eth_transact(Json::Value const& _json) override;
+	virtual std::string eth_call(Json::Value const& _json) override;
+
 private:
 	dev::eth::Interface* client() override { return m_client; }
 	std::shared_ptr<dev::shh::Interface> face() override;

mix/qml/CallStack.qml

@@ -0,0 +1,31 @@
+import QtQuick 2.2
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Controls 1.1
+import QtQuick.Layouts 1.1
+
+Item {
+	property alias model: callTable.model
+	signal frameActivated(int index)
+	ColumnLayout {
+		anchors.fill: parent
+		Text {
+			text: qsTr("Call Stack")
+			Layout.fillWidth: true
+		}
+		TableView {
+			id: callTable
+			Layout.fillWidth: true
+			Layout.fillHeight: true
+			headerDelegate: null
+
+			TableViewColumn {
+				role: "modelData"
+				title: qsTr("Address")
+				width: parent.width
+			}
+			onActivated:  {
+				frameActivated(row);
+			}
+		}
+	}
+}

mix/qml/ContractLibrary.qml

@@ -0,0 +1,27 @@
+import QtQuick 2.2
+
+Item {
+	id: contractLibrary
+	property alias model: contractListModel;
+
+	Connections {
+		target: appContext
+		Component.onCompleted: {
+
+			//TODO: load a list, dependencies, ets, from external files
+			contractListModel.append({
+				name: "Config",
+				url: "qrc:///stdc/std.sol",
+			});
+			contractListModel.append({
+				name: "NameReg",
+				url: "qrc:///stdc/std.sol",
+			});
+		}
+	}
+
+	ListModel {
+		id: contractListModel
+	}
+}
+

mix/qml/Debugger.qml

@@ -13,13 +13,6 @@ Rectangle {
 	anchors.fill: parent;
 	color: "#ededed"
 	clip: true
-	Keys.onPressed:
-	{
-		if (event.key === Qt.Key_F10)
-			Debugger.moveSelection(1);
-		else if (event.key === Qt.Key_F9)
-			Debugger.moveSelection(-1);
-	}
 
 	onVisibleChanged:
 	{
@@ -27,11 +20,11 @@ Rectangle {
 			forceActiveFocus();
 	}
 
-	function update(giveFocus)
+	function update(data, giveFocus)
 	{
 		if (statusPane.result.successful)
 		{
-			Debugger.init();
+			Debugger.init(data);
 			debugScrollArea.visible = true;
 			compilationErrorArea.visible = false;
 			machineStates.visible = true;
@@ -50,9 +43,16 @@ Rectangle {
 			forceActiveFocus();
 	}
 
+	Connections {
+		target: clientModel
+		onDebugDataReady:  {
+			update(_debugData, true);
+		}
+	}
+
 	Connections {
 		target: codeModel
-		onCompilationComplete: update(false)
+		onCompilationComplete: update(null, false);
 	}
 
 	Rectangle
@@ -129,6 +129,12 @@ Rectangle {
 				anchors.fill: parent
 				Layout.fillWidth: true
 				Layout.fillHeight: true
+
+				TransactionLog {
+					Layout.fillWidth: true
+					height: 250
+				}
+
 				RowLayout {
 					// step button + slider
 					id: buttonRow
@@ -153,6 +159,7 @@ Rectangle {
 								onClicked: Debugger.stepOutBack()
 								width: 28
 								height: 30
+								buttonShortcut: "Ctrl+Shift+F11"
 								buttonTooltip: qsTr("Step Out Back")
 							}
 
@@ -164,6 +171,7 @@ Rectangle {
 								onClicked: Debugger.stepIntoBack()
 								width: 28
 								height: 30
+								buttonShortcut: "Ctrl+F11"
 								buttonTooltip: qsTr("Step Into Back")
 							}
 
@@ -175,6 +183,7 @@ Rectangle {
 								onClicked: Debugger.stepOverBack()
 								width: 28
 								height: 30
+								buttonShortcut: "Ctrl+F10"
 								buttonTooltip: qsTr("Step Over Back")
 							}
 
@@ -186,6 +195,7 @@ Rectangle {
 								onClicked: Debugger.stepOverForward()
 								width: 28
 								height: 30
+								buttonShortcut: "F10"
 								buttonTooltip: qsTr("Step Over Forward")
 							}
 
@@ -197,6 +207,7 @@ Rectangle {
 								onClicked: Debugger.stepIntoForward()
 								width: 28
 								height: 30
+								buttonShortcut: "F11"
 								buttonTooltip: qsTr("Step Into Forward")
 							}
 
@@ -208,6 +219,7 @@ Rectangle {
 								onClicked: Debugger.stepOutForward()
 								width: 28
 								height: 30
+								buttonShortcut: "Shift+F11"
 								buttonTooltip: qsTr("Step Out Forward")
 							}
 						}
@@ -270,7 +282,8 @@ Rectangle {
 							id: statesList
 							delegate: renderDelegate
 							highlight: highlightBar
-							highlightFollowsCurrentItem: false
+							//highlightFollowsCurrentItem: false
+							model: ListModel {}
 						}
 
 						Component {
@@ -281,9 +294,9 @@ Rectangle {
 								width: statesList.currentItem.width;
 								y: statesList.currentItem.y
 								color: "#4A90E2"
-								Behavior on y {
-									 PropertyAnimation { properties: "y"; easing.type: Easing.InOutQuad; duration: 50}
-								}
+								//Behavior on y {
+								//	 PropertyAnimation { properties: "y"; easing.type: Easing.InOutQuad; duration: 50}
+								//}
 							}
 						}
 
@@ -300,6 +313,7 @@ Rectangle {
 									width: 15
 									color: "#b2b3ae"
 									text: line.split(' ')[0]
+									font.family: "monospace"
 									font.pointSize: 9
 									id: id
 									wrapMode: Text.NoWrap
@@ -307,6 +321,7 @@ Rectangle {
 								Text {
 									wrapMode: Text.NoWrap
 									color: parent.ListView.isCurrentItem ? "white" : "black"
+									font.family: "monospace"
 									text: line.replace(line.split(' ')[0], '')
 									anchors.left: id.right
 									font.pointSize: 9
@@ -429,6 +444,24 @@ Rectangle {
 
 					orientation: Qt.Vertical
 					width: debugPanel.width - 2 * machineStates.sideMargin
+
+
+					Rectangle
+					{
+						id: callStackRect;
+						color: "transparent"
+						height: 120
+						width: parent.width
+						Layout.minimumHeight: 120
+						Layout.maximumHeight: 400
+						CallStack {
+							anchors.fill: parent
+							id: callStack
+							onFrameActivated: Debugger.displayFrame(index);
+						}
+					}
+
+
 					Rectangle
 					{
 						id: storageRect
@@ -467,8 +500,10 @@ Rectangle {
 											font.family: "monospace"
 											anchors.leftMargin: 5
 											color: "#4a4a4a"
-											text: modelData.split(' ')[0].substring(0, 10);
+											text: modelData.split('\t')[0];
 											font.pointSize: 9
+											width: parent.width - 5
+											elide: Text.ElideRight
 										}
 									}
 									Rectangle
@@ -488,7 +523,8 @@ Rectangle {
 											font.family: "monospace"
 											anchors.verticalCenter: parent.verticalCenter
 											color: "#4a4a4a"
-											text: modelData.split(' ')[1].substring(0, 10);
+											text: modelData.split('\t')[1];
+											elide: Text.ElideRight
 											font.pointSize: 9
 										}
 									}

mix/qml/Ether.qml

@@ -10,7 +10,7 @@ import QtQuick.Controls 1.1
 import QtQuick.Layouts 1.1
 import QtQuick.Controls.Styles 1.1
 
-Rectangle {
+RowLayout {
 	id: etherEdition
 	property bool displayFormattedValue;
 	property bool edit;
@@ -32,18 +32,9 @@ Rectangle {
 		units.currentIndex = unit;
 	}
 
-	RowLayout
-	{
-		anchors.fill: parent;
-		id: row
-		width: 200
-		height: parent.height
-		Rectangle
-		{
-			width : 200
-			color: edit ? "blue" : "white"
 	TextField
 	{
+		implicitWidth: 200
 		onTextChanged:
 		{
 			if (value !== undefined)
@@ -52,19 +43,11 @@ Rectangle {
 				formattedValue.text = value.format();
 			}
 		}
-				width: parent.width
 		readOnly: !edit
 		visible: edit
 		id: etherValueEdit;
 	}
-		}
 
-		Rectangle
-		{
-			Layout.fillWidth: true
-			id: unitContainer
-			width: 20
-			anchors.verticalCenter: parent.verticalCenter
 	ComboBox
 	{
 		id: units
@@ -99,17 +82,9 @@ Rectangle {
 			ListElement { text: "wei"; }
 		}
 	}
-			Rectangle
-			{
-				anchors.verticalCenter: parent.verticalCenter
-				anchors.left: units.right
-				visible: displayFormattedValue
-				width: 20
 	Text
 	{
+		visible: displayFormattedValue
 		id: formattedValue
 	}
 }
-		}
-	}
-}

mix/qml/ItemDelegateDataDump.qml

@@ -49,21 +49,6 @@ Rectangle {
 				font.pointSize: 8
 			}
 		}
-
-		Rectangle
-		{
-			Layout.fillWidth: true
-			Layout.minimumWidth: 50
-			Layout.minimumHeight: parent.height
-			Text {
-				anchors.verticalCenter: parent.verticalCenter
-				anchors.horizontalCenter:  parent.horizontalCenter
-				font.family: "monospace"
-				color: "#4a4a4a"
-				text: modelData[2]
-				font.pointSize: 8
-			}
-		}
 	}
 
 	Rectangle {

mix/qml/MainContent.qml

@@ -35,39 +35,9 @@ Rectangle {
 
 	function startQuickDebugging()
 	{
-		var item = TransactionHelper.defaultTransaction();
-		item.executeConstructor = true;
-		if (codeModel.code.contract.constructor.parameters.length === 0)
-		{
-			ensureRightView();
-			startF5Debugging(item);
-		}
-		else
-			transactionDialog.open(0, item);
-	}
-
-	function startF5Debugging(transaction)
-	{
-		var ether = QEtherHelper.createEther("100000000000000000000000000", QEther.Wei);
-		var state = {
-			title: "",
-			balance: ether,
-			transactions: [transaction]
-		};
-		clientModel.debugState(state);
-	}
-
-	TransactionDialog {
-		id: transactionDialog
-		onAccepted: {
 		ensureRightView();
-			var item = transactionDialog.getItem();
-			item.executeConstructor = true;
-			startF5Debugging(item);
+		projectModel.stateListModel.debugDefaultState();
 	}
-		useTransactionDefaultValue: true
-	}
-
 
 	function toggleRightView() {
 		if (!rightView.visible)
@@ -99,7 +69,6 @@ Rectangle {
 		codeWebSplitter.orientation = (codeWebSplitter.orientation === Qt.Vertical ? Qt.Horizontal : Qt.Vertical);
 	}
 
-
 	CodeEditorExtensionManager {
 		headerView: headerPaneTabs;
 		rightView: rightPaneTabs;

mix/qml/ProjectModel.qml

@@ -17,6 +17,7 @@ Item {
 	signal documentAdded(var documentId)
 	signal projectSaving(var projectData)
 	signal projectSaved()
+	signal newProject(var projectData)
 	signal documentSaved(var documentId)
 
 	property bool isEmpty: (projectPath === "")
@@ -27,6 +28,7 @@ Item {
 	property string projectTitle: ""
 	property string currentDocumentId: ""
 	property var listModel: projectListModel
+	property var stateListModel: projectStateListModel.model
 
 	//interface
 	function saveAll() { ProjectModelCode.saveAll(); }
@@ -84,6 +86,10 @@ Item {
 		id: projectListModel
 	}
 
+	StateListModel {
+		id: projectStateListModel
+	}
+
 	Settings {
 		id: projectSettings
 		property string lastProjectPath;

mix/qml/StateDialog.qml

@@ -17,11 +17,12 @@ Window {
 
 	property alias stateTitle: titleField.text
 	property alias stateBalance: balanceField.value
+	property alias isDefault: defaultCheckBox.checked
 	property int stateIndex
 	property var stateTransactions: []
 	signal accepted
 
-	function open(index, item) {
+	function open(index, item, setDefault) {
 		stateIndex = index;
 		stateTitle = item.title;
 		balanceField.value = item.balance;
@@ -32,6 +33,7 @@ Window {
 			transactionsModel.append(item.transactions[t]);
 			stateTransactions.push(item.transactions[t]);
 		}
+		isDefault = setDefault;
 		visible = true;
 		titleField.focus = true;
 	}
@@ -77,6 +79,14 @@ Window {
 			Layout.fillWidth: true
 		}
 
+		Label {
+			text: qsTr("Default")
+		}
+		CheckBox {
+			id: defaultCheckBox
+			Layout.fillWidth: true
+		}
+
 		Label {
 			text: qsTr("Transactions")
 		}
@@ -152,6 +162,7 @@ Window {
 				}
 				ToolButton {
 					text: qsTr("Edit");
+					visible: !stdContract
 					Layout.fillHeight: true
 					onClicked: transactionsModel.editTransaction(index)
 				}

mix/qml/StateList.qml

@@ -3,8 +3,6 @@ import QtQuick.Controls.Styles 1.1
 import QtQuick.Controls 1.1
 import QtQuick.Dialogs 1.1
 import QtQuick.Layouts 1.1
-import org.ethereum.qml.QEther 1.0
-import "js/QEtherHelper.js" as QEtherHelper
 
 Rectangle {
 	color: "#ededed"
@@ -14,32 +12,13 @@ Rectangle {
 	anchors.left: parent.left
 	height: parent.height
 	width: parent.width
-	property var stateList: []
-
-	Connections {
-		target: projectModel
-		onProjectClosed: {
-			stateListModel.clear();
-		}
-		onProjectLoaded: {
-			if (!projectData.states)
-				projectData.states = [];
-			var items = projectData.states;
-			for(var i = 0; i < items.length; i++) {
-				stateListModel.append(items[i]);
-				stateList.push(items[i])
-			}
-		}
-		onProjectSaving: {
-			projectData.states = stateList;
-		}
-	}
 
 	ListView {
+		id: list
 		anchors.top: parent.top
 		height: parent.height
 		width: parent.width
-		model: stateListModel
+		model: projectModel.stateListModel
 		delegate: renderDelegate
 	}
 
@@ -124,20 +103,17 @@ Rectangle {
 				ToolButton {
 					text: qsTr("Edit");
 					Layout.fillHeight: true
-					onClicked: stateListModel.editState(index);
+					onClicked: list.model.editState(index);
 				}
 				ToolButton {
 					text: qsTr("Delete");
 					Layout.fillHeight: true
-					onClicked: stateListModel.deleteState(index);
+					onClicked: list.model.deleteState(index);
 				}
 				ToolButton {
 					text: qsTr("Run");
 					Layout.fillHeight: true
-					onClicked:
-					{
-						stateListModel.runState(index)
-					}
+					onClicked: list.model.runState(index);
 				}
 			}
 		}
@@ -148,7 +124,7 @@ Rectangle {
 		text: "&Add State"
 		shortcut: "Ctrl+T"
 		enabled: codeModel.hasContract && !clientModel.running;
-		onTriggered: stateListModel.addState();
+		onTriggered: list.model.addState();
 	}
 }
 

mix/qml/StateListModel.qml

@@ -0,0 +1,196 @@
+import QtQuick 2.2
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Controls 1.1
+import QtQuick.Dialogs 1.1
+import QtQuick.Layouts 1.1
+import org.ethereum.qml.QEther 1.0
+import "js/QEtherHelper.js" as QEtherHelper
+
+Item {
+
+	property int defaultStateIndex: -1
+	property alias model: stateListModel
+	property var stateList: []
+
+	function fromPlainStateItem(s) {
+		return {
+			title: s.title,
+			balance: QEtherHelper.createEther(s.balance.value, s.balance.unit),
+			transactions: s.transactions.map(fromPlainTransactionItem)
+		};
+	}
+
+	function fromPlainTransactionItem(t) {
+		var r = {
+			functionId: t.functionId,
+			url: t.url,
+			value: QEtherHelper.createEther(t.value.value, t.value.unit),
+			gas: QEtherHelper.createEther(t.gas.value, t.gas.unit),
+			gasPrice: QEtherHelper.createEther(t.gasPrice.value, t.gasPrice.unit),
+			executeConstructor: t.executeConstructor,
+			stdContract: t.stdContract,
+			parameters: {}
+		};
+		for (var key in t.parameters) {
+			var intComponent = Qt.createComponent("qrc:/qml/BigIntValue.qml");
+			var param = intComponent.createObject();
+			param.setValue(t.parameters[key]);
+			r.parameters[key] = param;
+		}
+		return r;
+	}
+
+	function toPlainStateItem(s) {
+		return {
+			title: s.title,
+			balance: { value: s.balance.value, unit: s.balance.unit },
+			transactions: s.transactions.map(toPlainTransactionItem)
+		};
+	}
+
+	function toPlainTransactionItem(t) {
+		var r = {
+			functionId: t.functionId,
+			url: t.url,
+			value: { value: t.value.value, unit: t.value.unit },
+			gas:  { value: t.gas.value, unit: t.gas.unit },
+			gasPrice: { value: t.gasPrice.value, unit: t.gasPrice.unit },
+			executeConstructor: t.executeConstructor,
+			stdContract: t.stdContract,
+			parameters: {}
+		};
+		for (var key in t.parameters)
+			r.parameters[key] = t.parameters[key];
+		return r;
+	}
+
+	Connections {
+		target: projectModel
+		onProjectClosed: {
+			stateListModel.clear();
+			stateList = [];
+		}
+		onProjectLoaded: {
+			if (!projectData.states)
+				projectData.states = [];
+			if (projectData.defaultStateIndex !== undefined)
+				defaultStateIndex = projectData.defaultStateIndex;
+			else
+				defaultStateIndex = -1;
+			var items = projectData.states;
+			for(var i = 0; i < items.length; i++) {
+				var item = fromPlainStateItem(items[i]);
+				stateListModel.append(item);
+				stateList.push(item);
+			}
+		}
+		onProjectSaving: {
+			projectData.states = []
+			for(var i = 0; i < stateListModel.count; i++) {
+				projectData.states.push(toPlainStateItem(stateList[i]));
+			}
+			projectData.defaultStateIndex = defaultStateIndex;
+		}
+		onNewProject: {
+			var state = toPlainStateItem(stateListModel.createDefaultState());
+			state.title = qsTr("Default");
+			projectData.states = [ state ];
+			projectData.defaultStateIndex = 0;
+		}
+	}
+
+	StateDialog {
+		id: stateDialog
+		onAccepted: {
+			var item = stateDialog.getItem();
+			if (stateDialog.stateIndex < stateListModel.count) {
+				if (stateDialog.isDefault)
+					defaultStateIndex = stateIndex;
+				stateList[stateDialog.stateIndex] = item;
+				stateListModel.set(stateDialog.stateIndex, item);
+			} else {
+				if (stateDialog.isDefault)
+					defaultStateIndex = 0;
+				stateList.push(item);
+				stateListModel.append(item);
+			}
+
+			stateListModel.save();
+		}
+	}
+
+	ContractLibrary {
+		id: contractLibrary;
+	}
+
+	ListModel {
+		id: stateListModel
+
+		function defaultTransactionItem() {
+			return {
+				value: QEtherHelper.createEther("100", QEther.Wei),
+				gas: QEtherHelper.createEther("125000", QEther.Wei),
+				gasPrice: QEtherHelper.createEther("10000000000000", QEther.Wei),
+				executeConstructor: false,
+				stdContract: false
+			};
+		}
+
+		function createDefaultState() {
+			var ether = QEtherHelper.createEther("100000000000000000000000000", QEther.Wei);
+			var item = {
+				title: "",
+				balance: ether,
+				transactions: []
+			};
+
+			//add all stdc contracts
+			for (var i = 0; i < contractLibrary.model.count; i++) {
+				var contractTransaction = defaultTransactionItem();
+				var contractItem = contractLibrary.model.get(i);
+				contractTransaction.url = contractItem.url;
+				contractTransaction.functionId = contractItem.name;
+				contractTransaction.stdContract = true;
+				item.transactions.push(contractTransaction);
+			};
+
+			//add constructor
+			var ctorTr = defaultTransactionItem();
+			ctorTr.executeConstructor = true;
+			ctorTr.functionId = qsTr("Constructor");
+			item.transactions.push(ctorTr);
+			return item;
+		}
+
+		function addState() {
+			var item = createDefaultState();
+			stateDialog.open(stateListModel.count, item, defaultStateIndex === -1);
+		}
+
+		function editState(index) {
+			stateDialog.open(index, stateList[index], defaultStateIndex === index);
+		}
+
+		function debugDefaultState() {
+			if (defaultStateIndex >= 0)
+				runState(defaultStateIndex);
+		}
+
+		function runState(index) {
+			var item = stateList[index];
+			clientModel.setupState(item);
+		}
+
+		function deleteState(index) {
+			stateListModel.remove(index);
+			stateList.splice(index, 1);
+			if (index === defaultStateIndex)
+				defaultStateIndex = -1;
+			save();
+		}
+
+		function save() {
+			projectModel.saveProject();
+		}
+	}
+}

mix/qml/StatusPane.qml

@@ -27,6 +27,22 @@ Rectangle {
 		debugRunActionIcon.enabled = statusPane.result.successful;
 	}
 
+	function infoMessage(text)
+	{
+		status.state = "";
+		status.text = text
+		logslink.visible = false;
+	}
+
+
+	Connections {
+		target:clientModel
+		onRunStarted: infoMessage(qsTr("Running transactions.."));
+		onRunFailed: infoMessage(qsTr("Error running transactions"));
+		onRunComplete: infoMessage(qsTr("Run complete"));
+		onNewBlock: infoMessage(qsTr("New block created"));
+	}
+
 	color: "transparent"
 	anchors.fill: parent
 	Rectangle {

mix/qml/StepActionImage.qml

@@ -9,6 +9,7 @@ Rectangle {
 	property string disableStateImg
 	property string enabledStateImg
 	property string buttonTooltip
+	property string buttonShortcut
 	signal clicked
 
 	function enabled(state)
@@ -33,6 +34,7 @@ Rectangle {
 	Action {
 		tooltip: buttonTooltip
 		id: buttonAction
+		shortcut: buttonShortcut
 		onTriggered: {
 			buttonActionContainer.clicked();
 		}

mix/qml/TransactionDialog.qml

@@ -51,7 +51,7 @@ Window {
 		}
 
 		if (functionIndex == -1 && functionsModel.count > 0)
-			functionIndex = 0; //@todo suggest unused funtion
+			functionIndex = 0; //@todo suggest unused function
 
 		functionComboBox.currentIndex = functionIndex;
 		paramsModel.clear();
@@ -258,19 +258,20 @@ Window {
 				Layout.maximumHeight: 600
 				TableViewColumn {
 					role: "name"
-					title: "Name"
+					title: qsTr("Name")
 					width: 120
 				}
 				TableViewColumn {
 					role: "type"
-					title: "Type"
+					title: qsTr("Type")
 					width: 120
 				}
 				TableViewColumn {
 					role: "value"
-					title: "Value"
+					title: qsTr("Value")
 					width: 240
 				}
+
 				rowDelegate: rowDelegate
 				itemDelegate: editableDelegate
 			}

mix/qml/TransactionLog.qml

@@ -0,0 +1,84 @@
+import QtQuick 2.2
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Controls 1.1
+import QtQuick.Dialogs 1.1
+import QtQuick.Layouts 1.1
+
+Item {
+	ColumnLayout {
+		anchors.fill: parent
+		CheckBox {
+			id: recording
+			text: qsTr("Record transactions");
+			checked: true
+			Layout.fillWidth: true
+		}
+		TableView {
+			Layout.fillWidth: true
+			Layout.fillHeight: true
+			model: logModel
+
+			TableViewColumn {
+				role: "block"
+				title: qsTr("Block")
+				width: 40
+			}
+			TableViewColumn {
+				role: "tindex"
+				title: qsTr("Index")
+				width: 40
+			}
+			TableViewColumn {
+				role: "contract"
+				title: qsTr("Contract")
+				width: 120
+			}
+			TableViewColumn {
+				role: "function"
+				title: qsTr("Function")
+				width: 120
+			}
+			TableViewColumn {
+				role: "value"
+				title: qsTr("Value")
+				width: 120
+			}
+			TableViewColumn {
+				role: "address"
+				title: qsTr("Address")
+				width: 120
+			}
+			TableViewColumn {
+				role: "returned"
+				title: qsTr("Returned")
+				width: 120
+			}
+			onActivated:  {
+				var item = logModel.get(row);
+				clientModel.debugTransaction(item.block, item.tindex);
+			}
+			Keys.onPressed: {
+				if ((event.modifiers & Qt.ControlModifier) && event.key === Qt.Key_C && currentRow >=0 && currentRow < logModel.count) {
+					var item = logModel.get(currentRow);
+					appContext.toClipboard(item.returned);
+				}
+			}
+		}
+	}
+
+	ListModel {
+		id: logModel
+	}
+
+	Connections {
+		target: clientModel
+		onStateCleared: {
+			logModel.clear();
+		}
+		onNewTransaction: {
+			if (recording.checked)
+				logModel.append(_tr);
+		}
+	}
+
+}