Gnosis compilation contracts.

test/compilationTests/gnosis/Oracles/DifficultyOracleFactory.sol

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+pragma solidity ^0.4.11;
+import "../Oracles/DifficultyOracle.sol";
+
+
+/// @title Difficulty oracle factory contract - Allows to create difficulty oracle contracts
+/// @author Stefan George - <stefan@gnosis.pm>
+contract DifficultyOracleFactory {
+
+    /*
+     *  Events
+     */
+    event DifficultyOracleCreation(address indexed creator, DifficultyOracle difficultyOracle, uint blockNumber);
+
+    /*
+     *  Public functions
+     */
+    /// @dev Creates a new difficulty oracle contract
+    /// @param blockNumber Target block number
+    /// @return Oracle contract
+    function createDifficultyOracle(uint blockNumber)
+        public
+        returns (DifficultyOracle difficultyOracle)
+    {
+        difficultyOracle = new DifficultyOracle(blockNumber);
+        DifficultyOracleCreation(msg.sender, difficultyOracle, blockNumber);
+    }
+}