Enhancement/code style hash improvements

libethcore/ChainOperationParams.h

@@ -257,6 +257,7 @@ struct ChainOperationParams {
     u256 externalGasDifficulty = ~u256( 0 );
     typedef std::vector< std::string > vecAdminOrigins_t;
     vecAdminOrigins_t vecAdminOrigins;  // wildcard based folters for IP addresses
+    int getLogsBlocksLimit = -1;
 };
 
 }  // namespace eth

libethcore/Exceptions.h

@@ -107,5 +107,8 @@ DEV_SIMPLE_EXCEPTION( FailedToDownloadDaoForkBlockHeader );
 DEV_SIMPLE_EXCEPTION( AccountLocked );
 DEV_SIMPLE_EXCEPTION( TransactionRefused );
 DEV_SIMPLE_EXCEPTION( UnknownAccount );
+
+DEV_SIMPLE_EXCEPTION( TooBigResponse );
+
 }  // namespace eth
 }  // namespace dev

libethereum/ChainParams.cpp

@@ -104,7 +104,8 @@ ChainParams ChainParams::loadConfig(
     cp.skaleDisableChainIdCheck = params.count( c_skaleDisableChainIdCheck ) ?
                                       params[c_skaleDisableChainIdCheck].get_bool() :
                                       false;
-
+    cp.getLogsBlocksLimit =
+        params.count( "getLogsBlocksLimit" ) ? params.at( "getLogsBlocksLimit" ).get_int() : -1;
 
     if ( obj.count( c_skaleConfig ) ) {
         processSkaleConfigItems( cp, obj );

libethereum/ClientBase.cpp

@@ -212,6 +212,9 @@ LocalisedLogEntries ClientBase::logs( LogFilter const& _f ) const {
     unsigned begin = min( bc().number() + 1, ( unsigned ) _f.latest() );
     unsigned end = min( bc().number(), min( begin, ( unsigned ) _f.earliest() ) );
 
+    if ( begin >= end && begin - end > bc().chainParams().getLogsBlocksLimit )
+        BOOST_THROW_EXCEPTION( TooBigResponse() );
+
     // Handle pending transactions differently as they're not on the block chain.
     if ( begin > bc().number() ) {
         Block temp = postSeal();
@@ -343,18 +346,6 @@ bool ClientBase::uninstallWatch( unsigned _i ) {
     return true;
 }
 
-LocalisedLogEntries ClientBase::peekWatch( unsigned _watchId ) const {
-    Guard l( x_filtersWatches );
-
-    //	LOG(m_loggerWatch) << "peekWatch" << _watchId;
-    auto& w = m_watches.at( _watchId );
-    //	LOG(m_loggerWatch) << "lastPoll updated to " <<
-    // chrono::duration_cast<chrono::seconds>(chrono::system_clock::now().time_since_epoch()).count();
-    if ( w.lastPoll != chrono::system_clock::time_point::max() )
-        w.lastPoll = chrono::system_clock::now();
-    return w.get_changes();
-}
-
 LocalisedLogEntries ClientBase::checkWatch( unsigned _watchId ) {
     Guard l( x_filtersWatches );
     LocalisedLogEntries ret;

libethereum/ClientBase.h

@@ -92,7 +92,7 @@ class ClientBase : public Interface {
     /// @param _callback Optional callback function for progress reporting
     std::pair< u256, ExecutionResult > estimateGas( Address const& _from, u256 _value,
         Address _dest, bytes const& _data, int64_t _maxGas, u256 _gasPrice,
-        GasEstimationCallback const& _callback ) override;
+        GasEstimationCallback const& _callback = GasEstimationCallback() ) override;
 
     u256 balanceAt( Address _a ) const override;
     u256 countAt( Address _a ) const override;
@@ -114,9 +114,16 @@ class ClientBase : public Interface {
         fnClientWatchHandlerMulti_t fnOnNewChanges = fnClientWatchHandlerMulti_t(),
         bool isWS = false ) override;
     bool uninstallWatch( unsigned _watchId ) override;
-    LocalisedLogEntries peekWatch( unsigned _watchId ) const override;
     LocalisedLogEntries checkWatch( unsigned _watchId ) override;
 
+
+    using Interface::blockDetails;
+    using Interface::blockInfo;  // for another overload
+    using Interface::transactionHashes;
+    using Interface::uncle;
+    using Interface::uncleCount;
+    using Interface::uncleHashes;
+
     h256 hashFromNumber( BlockNumber _number ) const override;
     BlockNumber numberFromHash( h256 _blockHash ) const override;
     int compareBlockHashes( h256 _h1, h256 _h2 ) const override;

libethereum/Interface.h

@@ -154,21 +154,13 @@ class Interface {
         fnClientWatchHandlerMulti_t fnOnNewChanges = fnClientWatchHandlerMulti_t(),
         bool isWS = false ) = 0;
     virtual bool uninstallWatch( unsigned _watchId ) = 0;
-    LocalisedLogEntries peekWatchSafe( unsigned _watchId ) const {
-        try {
-            return peekWatch( _watchId );
-        } catch ( ... ) {
-            return LocalisedLogEntries();
-        }
-    }
     LocalisedLogEntries checkWatchSafe( unsigned _watchId ) {
         try {
             return checkWatch( _watchId );
         } catch ( ... ) {
             return LocalisedLogEntries();
         }
     }
-    virtual LocalisedLogEntries peekWatch( unsigned _watchId ) const = 0;
     virtual LocalisedLogEntries checkWatch( unsigned _watchId ) = 0;
 
     // [BLOCK QUERY API]
@@ -328,7 +320,6 @@ class Watch : public boost::noncopyable {
     }
 
     LocalisedLogEntries check() { return m_c ? m_c->checkWatch( m_id ) : LocalisedLogEntries(); }
-    LocalisedLogEntries peek() { return m_c ? m_c->peekWatch( m_id ) : LocalisedLogEntries(); }
     LocalisedLogEntries logs() const { return m_c->logs( m_id ); }
 
 private:

libskale/httpserveroverride.cpp

@@ -2607,12 +2607,14 @@ bool SkaleServerOverride::implStartListening(  // proxygen HTTP
                 cc::success( "/" ) + cc::notice( esm2str( esm ) ) + " " );
         return true;
     } catch ( const std::exception& ex ) {
-        logTraceServerEvent( false, ipVer, bIsSSL ? "HTTPS" : "HTTP", pSrv->serverIndex(), esm,
+        logTraceServerEvent( false, ipVer, bIsSSL ? "HTTPS" : "HTTP",
+            pSrv ? pSrv->serverIndex() : -1, esm,
             cc::fatal( "FAILED" ) + cc::error( " to start " ) + cc::attention( "proxygen" ) +
                 cc::debug( "/" ) + cc::warn( bIsSSL ? "HTTPS" : "HTTP" ) +
                 cc::error( " server: " ) + cc::warn( ex.what() ) );
     } catch ( ... ) {
-        logTraceServerEvent( false, ipVer, bIsSSL ? "HTTPS" : "HTTP", pSrv->serverIndex(), esm,
+        logTraceServerEvent( false, ipVer, bIsSSL ? "HTTPS" : "HTTP",
+            pSrv ? pSrv->serverIndex() : -1, esm,
             cc::fatal( "FAILED" ) + cc::error( " to start " ) + cc::attention( "proxygen" ) +
                 cc::debug( "/" ) + cc::warn( bIsSSL ? "HTTPS" : "HTTP" ) +
                 cc::error( " server: " ) + cc::warn( "unknown exception" ) );

libskutils/include/skutils/console_colors.h

@@ -438,12 +438,13 @@ extern bool string2duration( const std::string& s, std::chrono::duration< uint64
     const std::chrono::seconds& seconds = std::chrono::seconds::zero() );
 extern std::string duration2string( std::chrono::nanoseconds time );
 extern std::string time2string(
-    std::time_t tt, uint64_t nMicroSeconds, bool isUTC = false, bool isColored = true );
-extern std::string time2string( const std::tm& aTm, uint64_t nMicroSeconds, bool isColored = true );
+    std::time_t tt, uint64_t nMicroSeconds, bool isUTC = false, bool isColored = false );
+extern std::string time2string(
+    const std::tm& aTm, uint64_t nMicroSeconds, bool isColored = false );
 extern std::string time2string( const default_clock_t::time_point& ptTime, bool isUTC = false,
-    bool isDaysInsteadOfYMD = false, bool isColored = true );
+    bool isDaysInsteadOfYMD = false, bool isColored = false );
 extern std::string now2string(
-    bool isUTC = false, bool isDaysInsteadOfYMD = false, bool isColored = true );
+    bool isUTC = false, bool isDaysInsteadOfYMD = false, bool isColored = false );
 extern std::string jsNow2string( bool isUTC = true );
 
 inline std::string c() {

libskutils/src/console_colors.cpp

@@ -1185,12 +1185,12 @@ std::string duration2string( std::chrono::nanoseconds time ) {
 }
 
 std::string time2string(
-    std::time_t tt, uint64_t nMicroSeconds, bool isUTC, bool isColored /*= true*/ ) {
+    std::time_t tt, uint64_t nMicroSeconds, bool isUTC, bool isColored /*= false*/ ) {
     std::lock_guard< std::mutex > lock( g_libcall_mutex );
     struct std::tm aTm = isUTC ? ( *std::gmtime( &tt ) ) : ( *std::localtime( &tt ) );
     return time2string( aTm, nMicroSeconds, isColored );
 }
-std::string time2string( const std::tm& aTm, uint64_t nMicroSeconds, bool isColored /*= true*/ ) {
+std::string time2string( const std::tm& aTm, uint64_t nMicroSeconds, bool isColored /*= false*/ ) {
     const std::tm& effective_tm = aTm;
     std::stringstream ss;
     ss << std::setfill( '0' );
@@ -1255,7 +1255,7 @@ inline time_t clock_2_time_t( const typename clock_type_t::time_point& ptTime )
 }
 
 std::string time2string( const default_clock_t::time_point& ptTime, bool isUTC,
-    bool isDaysInsteadOfYMD, bool isColored /*= true*/ ) {
+    bool isDaysInsteadOfYMD, bool isColored /*= false*/ ) {
     std::stringstream ss;
     typedef std::chrono::duration< int,
         std::ratio_multiply< std::chrono::hours::period, std::ratio< 24 > >::type >
@@ -1363,7 +1363,7 @@ std::string time2string( const default_clock_t::time_point& ptTime, bool isUTC,
     std::string s = ss.str();
     return s;
 }
-std::string now2string( bool isUTC, bool isDaysInsteadOfYMD, bool isColored /*= true*/ ) {
+std::string now2string( bool isUTC, bool isDaysInsteadOfYMD, bool isColored /*= false*/ ) {
     default_clock_t::time_point ptTimeNow = default_clock_t::now();
     std::string s = time2string( ptTimeNow, isUTC, isDaysInsteadOfYMD, isColored );
     return s;

libweb3jsonrpc/Eth.cpp

@@ -132,7 +132,7 @@ bool hasPotentialInvalidTransactionsInBlock( BlockNumber _bn, const Interface& _
 
 #endif
 
-Eth::Eth( const std::string& configPath, eth::Interface& _eth, eth::AccountHolder& _ethAccounts )
+Eth::Eth( const std::string& configPath, eth::Client& _eth, eth::AccountHolder& _ethAccounts )
     : skutils::json_config_file_accessor( configPath ),
       m_eth( _eth ),
       m_ethAccounts( _ethAccounts ),
@@ -505,11 +505,9 @@ string Eth::eth_call( TransactionSkeleton& t, string const&
         if ( strRevertReason.empty() )
             strRevertReason = "EVM revert instruction without description message";
         std::string strTx = t.toString();
-        std::string strOut = cc::fatal( "Error message from eth_call():" ) + cc::error( " " ) +
-                             cc::warn( strRevertReason ) + cc::error( ", with call arguments: " ) +
-                             cc::j( strTx ) + cc::error( ", and using " ) +
-                             cc::info( "blockNumber" ) + cc::error( "=" ) +
-                             cc::bright( blockNumber );
+        std::string strOut = "Error message from eth_call(): " + strRevertReason +
+                             ", with call arguments: " + strTx +
+                             ", and using blockNumber=" + blockNumber;
         cerror << strOut;
         throw std::logic_error( strRevertReason );
     }
@@ -833,6 +831,10 @@ Json::Value Eth::eth_getFilterChangesEx( string const& _filterId ) {
 Json::Value Eth::eth_getFilterLogs( string const& _filterId ) {
     try {
         return toJson( client()->logs( static_cast< unsigned int >( jsToInt( _filterId ) ) ) );
+    } catch ( const TooBigResponse& ) {
+        BOOST_THROW_EXCEPTION( JsonRpcException( Errors::ERROR_RPC_INVALID_PARAMS,
+            "Log response size exceeded. Maximum allowed number of requested blocks is " +
+                to_string( this->client()->chainParams().getLogsBlocksLimit ) ) );
     } catch ( ... ) {
         BOOST_THROW_EXCEPTION( JsonRpcException( Errors::ERROR_RPC_INVALID_PARAMS ) );
     }
@@ -849,7 +851,29 @@ Json::Value Eth::eth_getFilterLogs( string const& _filterId ) {
 
 Json::Value Eth::eth_getLogs( Json::Value const& _json ) {
     try {
-        return toJson( client()->logs( toLogFilter( _json ) ) );
+        LogFilter filter = toLogFilter( _json );
+        if ( !_json["blockHash"].isNull() ) {
+            if ( !_json["fromBlock"].isNull() || !_json["toBlock"].isNull() )
+                BOOST_THROW_EXCEPTION( JsonRpcException( Errors::ERROR_RPC_INVALID_PARAMS,
+                    "fromBlock and toBlock are not allowed if blockHash is present" ) );
+            string strHash = _json["blockHash"].asString();
+            if ( strHash.empty() )
+                throw std::invalid_argument( "blockHash cannot be an empty string" );
+            uint64_t number = m_eth.numberFromHash( jsToFixed< 32 >( strHash ) );
+            if ( number == PendingBlock )
+                BOOST_THROW_EXCEPTION( JsonRpcException( Errors::ERROR_RPC_INVALID_PARAMS,
+                    "A block with this hash does not exist in the database. If this is an old "
+                    "block, try connecting to an archive node" ) );
+            filter.withEarliest( number );
+            filter.withLatest( number );
+        }
+        return toJson( client()->logs( filter ) );
+    } catch ( const TooBigResponse& ) {
+        BOOST_THROW_EXCEPTION( JsonRpcException( Errors::ERROR_RPC_INVALID_PARAMS,
+            "Log response size exceeded. Maximum allowed number of requested blocks is " +
+                to_string( this->client()->chainParams().getLogsBlocksLimit ) ) );
+    } catch ( const JsonRpcException& ) {
+        throw;
     } catch ( ... ) {
         BOOST_THROW_EXCEPTION( JsonRpcException( Errors::ERROR_RPC_INVALID_PARAMS ) );
     }

libweb3jsonrpc/Eth.h

@@ -43,7 +43,7 @@ class KeyPair;
 namespace eth {
 class AccountHolder;
 struct TransactionSkeleton;
-class Interface;
+class Client;
 class LocalisedTransactionReceipt;
 }  // namespace eth
 }  // namespace dev
@@ -135,7 +135,7 @@ std::string exceptionToErrorMessage();
  */
 class Eth : public dev::rpc::EthFace, public skutils::json_config_file_accessor {
 public:
-    Eth( const std::string& configPath, eth::Interface& _eth, eth::AccountHolder& _ethAccounts );
+    Eth( const std::string& configPath, eth::Client& _eth, eth::AccountHolder& _ethAccounts );
 
     virtual RPCModules implementedModules() const override {
         return RPCModules{ RPCModule{ "eth", "1.0" } };
@@ -220,9 +220,9 @@ class Eth : public dev::rpc::EthFace, public skutils::json_config_file_accessor
     void setTransactionDefaults( eth::TransactionSkeleton& _t );
 
 protected:
-    eth::Interface* client() { return &m_eth; }
+    eth::Client* client() { return &m_eth; }
 
-    eth::Interface& m_eth;
+    eth::Client& m_eth;
     eth::AccountHolder& m_ethAccounts;
 
     // a cache that maps the call request to the pair of response string and block number

test/unittests/libethereum/ClientTest.cpp

@@ -39,7 +39,7 @@ using namespace dev::test;
 using namespace dev::p2p;
 namespace fs = boost::filesystem;
 
-static size_t rand_port = 1024 + rand() % 64000;
+static size_t rand_port = ( srand(time(nullptr)), 1024 + rand() % 64000 );
 
 struct FixtureCommon {
     const string BTRFS_FILE_PATH = "btrfs.file";