Sponsored:   Ubex.com - Crypto Valley IAB member. Traded on Bitforex, Bitmart, Btc-Alpha, IDEX, Bilaxy, soon on Lbank.
Contract Overview
Balance: 0.02418121609716445 Ether
Ether Value: $5.61 (@ $231.84/ETH)
Transactions: 3967 txns
 Latest 25 txns From a total of 3967 Transactions

TxHash Age From To Value [TxFee]
0xa104ea6cd437ed8fc48f16d4b7cd6989195b8030390c4275cb9a795c6a2d789b337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.004
0x6e6761909aef7859361638c07957294c60ff0970552b5a7a8a1134c2c890a944337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.004
0x67068914acfbcc786118f62385d980e91d5fe602c1f2f318169e7afe547f18b4337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.00183622
0x05313b91219a5e4df222c58a0a6ff08a49665a94195857d6bbbcc3d7220712e5337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.004
0x2f83163660ef6a43d0a9a548cee0e71b52dbcc7a161255b220f0ceadd4e00fc2337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.004
0xbaf6653ad0a776dbd37cdc62bd51c394991a2fe91d313dcc3031a604834a2dda337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.004
0xd283649a1930e37acc072a681f13131762172c4e5ae37cc41373e553be7ffbd7337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.004
0xd2fb6ff3118c6c026faaa77dc68a6cf069c45931f7b981b528152f54f5923d2c337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.0017463
0xb9f3d234129f4f28fbcf381ffd9b9470ae26b256187b29b4e7c91341fc8100d3337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.00183484
0xba6703cdce792ef73568165a9dd431fc889862066216a2e2beb351364ffad7d7337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.00183622
0x3142dc3137d6050db624ab161fdd3c90eaf2a83d2f25898ce7e6330903dad858337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.00183342
0x7b9a54acc7cb87a43bd460e9c71800d24a4d9b933796b47d8085b03211cd853f337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.00183356
0x5f134702c7b03e1655c37868e7c305d48e54c2e2539332d1946e28ca54dd1b12337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.00174492
0x24c2376d01e4983199a53a0aed6a4ff2d0640434481bf2031ed260e557925990337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.00183622
0xc6301180d825c4ae3a8c705b81b90fa4a8a8ba3ceff56c820fa0dfa477aa7dcd337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.0017463
0x4f7c61e704881c85056a6c6ed15c5c63569f1b37f531662dce745ec18d2c2ec9337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.004
0x1a5f29d4fc9d63812f66bcba18a38aef5bab45f2f7549b0467689fd810d9c8f6337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.004
0xd678efe001b7e0987916ff27abb6e4833b993bffe141f54f43e01a6b861473c8337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.004
0x63c032449be0f25d907b81bd588c26749bf5b00ceae937f6f200422416ecd214337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.00174502
0x316b4332c1bd89a1a2bc97d80cc2c9786569f18e04c6951a4702c5bcf51beae2337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.004
0x8c8d2af2d9a0d584410abc03860153ce4c0c1ec81e53b0a0b6e1f1a5033f0e51337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.0017463
0x2a2b9aa37c6f189648e1bcc3785a1799e551a1c11860637835f140fea8ea853e337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.00174118
0xa7b8681c1f13589d1fb768e3012c768f0d311c313bec6b84d0b4ca24e5405264337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.004
0xb81cb6bad61e77a1bd18a015d4acd88c5835d2e2c3ab1f643512cb261b9ef1d6337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.00183622
0x3be6a9fdde2e72e8189bc69fea3264c0bdbc5b4c984c4658c52d265fbda68aff337 days 12 hrs agoOraclize  IN   0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0 Ether0.00183494
[ Download CSV Export  ] 
 Internal Transactions as a result of Contract Execution
 Latest 25 Internal Txns, Click Here To View More View All
ParentTxHash Block Age From To Value
0x67068914acfbcc786118f62385d980e91d5fe602c1f2f318169e7afe547f18b44404197337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0xd2fb6ff3118c6c026faaa77dc68a6cf069c45931f7b981b528152f54f5923d2c4404187337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0xb9f3d234129f4f28fbcf381ffd9b9470ae26b256187b29b4e7c91341fc8100d34404185337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0xba6703cdce792ef73568165a9dd431fc889862066216a2e2beb351364ffad7d74404183337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0x3142dc3137d6050db624ab161fdd3c90eaf2a83d2f25898ce7e6330903dad8584404183337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0x7b9a54acc7cb87a43bd460e9c71800d24a4d9b933796b47d8085b03211cd853f4404179337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0x5f134702c7b03e1655c37868e7c305d48e54c2e2539332d1946e28ca54dd1b124404174337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0x24c2376d01e4983199a53a0aed6a4ff2d0640434481bf2031ed260e5579259904404173337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0xc6301180d825c4ae3a8c705b81b90fa4a8a8ba3ceff56c820fa0dfa477aa7dcd4404173337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0x63c032449be0f25d907b81bd588c26749bf5b00ceae937f6f200422416ecd2144404169337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0x8c8d2af2d9a0d584410abc03860153ce4c0c1ec81e53b0a0b6e1f1a5033f0e514404166337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0x2a2b9aa37c6f189648e1bcc3785a1799e551a1c11860637835f140fea8ea853e4404163337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0xb81cb6bad61e77a1bd18a015d4acd88c5835d2e2c3ab1f643512cb261b9ef1d64404160337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0x3be6a9fdde2e72e8189bc69fea3264c0bdbc5b4c984c4658c52d265fbda68aff4404160337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0x05fb8b293851b1ec9ac01c731423e759ca7b6b53741859263beaba6203513b7f4404157337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0x02f1f118c503f48880b40a13844a427afa11610b4c598f8aca6865fc42638e474404156337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x153685a03c2025b6825ae164e2ff5681ee4876670.01 Ether
0x26a3e0723122f2d26a8a3644a7420edd6eaf22def8afa9f2e25b4c9c4c863fe54404152337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x3dbdc81a6edc94c720b0b88fb65dbd7e395fdcf60.00416635710431565 Ether
0xb9b26a3d10d9c95618e5c8b2fc0e8743569f2e44ee0e1bf245b54fe0f67edc0b4404152337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x3dbdc81a6edc94c720b0b88fb65dbd7e395fdcf60.00416635710431565 Ether
0x372ea0fd12ea1cc7b2b0bde2d75944d127471a80ae341969ff3496a333eaa3ec4404151337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x3dbdc81a6edc94c720b0b88fb65dbd7e395fdcf60.00416635710431565 Ether
0x57d2c668d7abac01a033ff254f7f8715048593a6bd9fb424dc870ed99a4ab3d94404151337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x3dbdc81a6edc94c720b0b88fb65dbd7e395fdcf60.00416635710431565 Ether
0x30fd7f883b1fcfcc2d32b33f9c8e8394017890b826ef2b4016c56b2ad88a94b54404151337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x3dbdc81a6edc94c720b0b88fb65dbd7e395fdcf60.00416635710431565 Ether
0x780c4d528ff780c9379564426df760d9f1feb77e028bde6131500e264e6b0ca84404151337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x3dbdc81a6edc94c720b0b88fb65dbd7e395fdcf60.00416635710431565 Ether
0xd2dc73dbae1ecdc154aa0523c2032dd2eebe0123bf16f04dbc5200199f9a558c4404151337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x3dbdc81a6edc94c720b0b88fb65dbd7e395fdcf60.00416635710431565 Ether
0x1e1a537b36bdda2aeb69654e0b6c8f1e59499c8e314db87ae9e164c684aa871d4404151337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x3dbdc81a6edc94c720b0b88fb65dbd7e395fdcf60.00416635710431565 Ether
0xa35f86134735344efff59ab5468538f499d26da138fbd42f8c234a942660fb0a4404151337 days 12 hrs ago0xffc08dd84a66775e6236e0a80ee2f340e0042f8c0x3dbdc81a6edc94c720b0b88fb65dbd7e395fdcf60.00416635710431565 Ether
[ Download CSV Export  ] 
Contract Name: EtherFlip
Compiler Text: v0.4.11+commit.68ef5810
Optimization Enabled: Yes
Runs (Optimiser):  200



  Contract Source Code   Find Similiar Contracts

/*
   Oraclize random-datasource example

   This contract uses the random-datasource to securely generate off-chain N random bytes
*/

// <ORACLIZE_API>
/*
Copyright (c) 2015-2016 Oraclize SRL
Copyright (c) 2016 Oraclize LTD



Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:



The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.



THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/

pragma solidity ^0.4.11; //please import oraclizeAPI_pre0.4.sol when solidity < 0.4.0

contract OraclizeI {
    address public cbAddress;
    function query(uint _timestamp, string _datasource, string _arg) payable returns (bytes32 _id);
    function query_withGasLimit(uint _timestamp, string _datasource, string _arg, uint _gaslimit) payable returns (bytes32 _id);
    function query2(uint _timestamp, string _datasource, string _arg1, string _arg2) payable returns (bytes32 _id);
    function query2_withGasLimit(uint _timestamp, string _datasource, string _arg1, string _arg2, uint _gaslimit) payable returns (bytes32 _id);
    function queryN(uint _timestamp, string _datasource, bytes _argN) payable returns (bytes32 _id);
    function queryN_withGasLimit(uint _timestamp, string _datasource, bytes _argN, uint _gaslimit) payable returns (bytes32 _id);
    function getPrice(string _datasource) returns (uint _dsprice);
    function getPrice(string _datasource, uint gaslimit) returns (uint _dsprice);
    function useCoupon(string _coupon);
    function setProofType(byte _proofType);
    function setConfig(bytes32 _config);
    function setCustomGasPrice(uint _gasPrice);
    function randomDS_getSessionPubKeyHash() returns(bytes32);
}
contract OraclizeAddrResolverI {
    function getAddress() returns (address _addr);
}
contract usingOraclize {
    uint constant day = 60*60*24;
    uint constant week = 60*60*24*7;
    uint constant month = 60*60*24*30;
    byte constant proofType_NONE = 0x00;
    byte constant proofType_TLSNotary = 0x10;
    byte constant proofType_Android = 0x20;
    byte constant proofType_Ledger = 0x30;
    byte constant proofType_Native = 0xF0;
    byte constant proofStorage_IPFS = 0x01;
    uint8 constant networkID_auto = 0;
    uint8 constant networkID_mainnet = 1;
    uint8 constant networkID_testnet = 2;
    uint8 constant networkID_morden = 2;
    uint8 constant networkID_consensys = 161;

    OraclizeAddrResolverI OAR;

    OraclizeI oraclize;
    modifier oraclizeAPI {
        if((address(OAR)==0)||(getCodeSize(address(OAR))==0)) oraclize_setNetwork(networkID_auto);
        oraclize = OraclizeI(OAR.getAddress());
        _;
    }
    modifier coupon(string code){
        oraclize = OraclizeI(OAR.getAddress());
        oraclize.useCoupon(code);
        _;
    }

    function oraclize_setNetwork(uint8 networkID) internal returns(bool) {
        networkID;
        if (getCodeSize(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed)>0){ //mainnet
            OAR = OraclizeAddrResolverI(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed);
            oraclize_setNetworkName("eth_mainnet");
            return true;
        }
        if (getCodeSize(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1)>0){ //ropsten testnet
            OAR = OraclizeAddrResolverI(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1);
            oraclize_setNetworkName("eth_ropsten3");
            return true;
        }
        if (getCodeSize(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e)>0){ //kovan testnet
            OAR = OraclizeAddrResolverI(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e);
            oraclize_setNetworkName("eth_kovan");
            return true;
        }
        if (getCodeSize(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48)>0){ //rinkeby testnet
            OAR = OraclizeAddrResolverI(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48);
            oraclize_setNetworkName("eth_rinkeby");
            return true;
        }
        if (getCodeSize(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475)>0){ //ethereum-bridge
            OAR = OraclizeAddrResolverI(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475);
            return true;
        }
        if (getCodeSize(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF)>0){ //ether.camp ide
            OAR = OraclizeAddrResolverI(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF);
            return true;
        }
        if (getCodeSize(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA)>0){ //browser-solidity
            OAR = OraclizeAddrResolverI(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA);
            return true;
        }
        return false;
    }

    function __callback(bytes32 myid, string result) {
        __callback(myid, result, new bytes(0));
    }
    function __callback(bytes32 myid, string result, bytes proof) {
        myid;
        result;
        proof;
    }
    
    function oraclize_useCoupon(string code) oraclizeAPI internal {
        oraclize.useCoupon(code);
    }

    function oraclize_getPrice(string datasource) oraclizeAPI internal returns (uint){
        return oraclize.getPrice(datasource);
    }

    function oraclize_getPrice(string datasource, uint gaslimit) oraclizeAPI internal returns (uint){
        return oraclize.getPrice(datasource, gaslimit);
    }
    
    function oraclize_query(string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource);
        if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
        return oraclize.query.value(price)(0, datasource, arg);
    }
    function oraclize_query(uint timestamp, string datasource, string arg) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource);
        if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
        return oraclize.query.value(price)(timestamp, datasource, arg);
    }
    function oraclize_query(uint timestamp, string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource, gaslimit);
        if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
        return oraclize.query_withGasLimit.value(price)(timestamp, datasource, arg, gaslimit);
    }
    function oraclize_query(string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource, gaslimit);
        if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
        return oraclize.query_withGasLimit.value(price)(0, datasource, arg, gaslimit);
    }
    function oraclize_query(string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource);
        if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
        return oraclize.query2.value(price)(0, datasource, arg1, arg2);
    }
    function oraclize_query(uint timestamp, string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource);
        if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
        return oraclize.query2.value(price)(timestamp, datasource, arg1, arg2);
    }
    function oraclize_query(uint timestamp, string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource, gaslimit);
        if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
        return oraclize.query2_withGasLimit.value(price)(timestamp, datasource, arg1, arg2, gaslimit);
    }
    function oraclize_query(string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource, gaslimit);
        if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
        return oraclize.query2_withGasLimit.value(price)(0, datasource, arg1, arg2, gaslimit);
    }
    function oraclize_query(string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource);
        if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
        bytes memory args = stra2cbor(argN);
        return oraclize.queryN.value(price)(0, datasource, args);
    }
    function oraclize_query(uint timestamp, string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource);
        if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
        bytes memory args = stra2cbor(argN);
        return oraclize.queryN.value(price)(timestamp, datasource, args);
    }
    function oraclize_query(uint timestamp, string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource, gaslimit);
        if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
        bytes memory args = stra2cbor(argN);
        return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
    }
    function oraclize_query(string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource, gaslimit);
        if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
        bytes memory args = stra2cbor(argN);
        return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
    }
    function oraclize_query(string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](1);
        dynargs[0] = args[0];
        return oraclize_query(datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](1);
        dynargs[0] = args[0];
        return oraclize_query(timestamp, datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](1);
        dynargs[0] = args[0];
        return oraclize_query(timestamp, datasource, dynargs, gaslimit);
    }
    function oraclize_query(string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](1);
        dynargs[0] = args[0];       
        return oraclize_query(datasource, dynargs, gaslimit);
    }
    
    function oraclize_query(string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](2);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        return oraclize_query(datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](2);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        return oraclize_query(timestamp, datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](2);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        return oraclize_query(timestamp, datasource, dynargs, gaslimit);
    }
    function oraclize_query(string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](2);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        return oraclize_query(datasource, dynargs, gaslimit);
    }
    function oraclize_query(string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](3);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        return oraclize_query(datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](3);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        return oraclize_query(timestamp, datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](3);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        return oraclize_query(timestamp, datasource, dynargs, gaslimit);
    }
    function oraclize_query(string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](3);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        return oraclize_query(datasource, dynargs, gaslimit);
    }
    
    function oraclize_query(string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](4);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        return oraclize_query(datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](4);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        return oraclize_query(timestamp, datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](4);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        return oraclize_query(timestamp, datasource, dynargs, gaslimit);
    }
    function oraclize_query(string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](4);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        return oraclize_query(datasource, dynargs, gaslimit);
    }
    function oraclize_query(string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](5);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        dynargs[4] = args[4];
        return oraclize_query(datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](5);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        dynargs[4] = args[4];
        return oraclize_query(timestamp, datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](5);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        dynargs[4] = args[4];
        return oraclize_query(timestamp, datasource, dynargs, gaslimit);
    }
    function oraclize_query(string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        string[] memory dynargs = new string[](5);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        dynargs[4] = args[4];
        return oraclize_query(datasource, dynargs, gaslimit);
    }
    function oraclize_query(string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource);
        if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
        bytes memory args = ba2cbor(argN);
        return oraclize.queryN.value(price)(0, datasource, args);
    }
    function oraclize_query(uint timestamp, string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource);
        if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price
        bytes memory args = ba2cbor(argN);
        return oraclize.queryN.value(price)(timestamp, datasource, args);
    }
    function oraclize_query(uint timestamp, string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource, gaslimit);
        if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
        bytes memory args = ba2cbor(argN);
        return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit);
    }
    function oraclize_query(string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){
        uint price = oraclize.getPrice(datasource, gaslimit);
        if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price
        bytes memory args = ba2cbor(argN);
        return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit);
    }
    function oraclize_query(string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](1);
        dynargs[0] = args[0];
        return oraclize_query(datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](1);
        dynargs[0] = args[0];
        return oraclize_query(timestamp, datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](1);
        dynargs[0] = args[0];
        return oraclize_query(timestamp, datasource, dynargs, gaslimit);
    }
    function oraclize_query(string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](1);
        dynargs[0] = args[0];       
        return oraclize_query(datasource, dynargs, gaslimit);
    }
    
    function oraclize_query(string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](2);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        return oraclize_query(datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](2);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        return oraclize_query(timestamp, datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](2);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        return oraclize_query(timestamp, datasource, dynargs, gaslimit);
    }
    function oraclize_query(string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](2);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        return oraclize_query(datasource, dynargs, gaslimit);
    }
    function oraclize_query(string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](3);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        return oraclize_query(datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](3);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        return oraclize_query(timestamp, datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](3);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        return oraclize_query(timestamp, datasource, dynargs, gaslimit);
    }
    function oraclize_query(string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](3);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        return oraclize_query(datasource, dynargs, gaslimit);
    }
    
    function oraclize_query(string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](4);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        return oraclize_query(datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](4);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        return oraclize_query(timestamp, datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](4);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        return oraclize_query(timestamp, datasource, dynargs, gaslimit);
    }
    function oraclize_query(string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](4);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        return oraclize_query(datasource, dynargs, gaslimit);
    }
    function oraclize_query(string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](5);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        dynargs[4] = args[4];
        return oraclize_query(datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](5);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        dynargs[4] = args[4];
        return oraclize_query(timestamp, datasource, dynargs);
    }
    function oraclize_query(uint timestamp, string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](5);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        dynargs[4] = args[4];
        return oraclize_query(timestamp, datasource, dynargs, gaslimit);
    }
    function oraclize_query(string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) {
        bytes[] memory dynargs = new bytes[](5);
        dynargs[0] = args[0];
        dynargs[1] = args[1];
        dynargs[2] = args[2];
        dynargs[3] = args[3];
        dynargs[4] = args[4];
        return oraclize_query(datasource, dynargs, gaslimit);
    }

    function oraclize_cbAddress() oraclizeAPI internal returns (address){
        return oraclize.cbAddress();
    }
    function oraclize_setProof(byte proofP) oraclizeAPI internal {
        return oraclize.setProofType(proofP);
    }
    function oraclize_setCustomGasPrice(uint gasPrice) oraclizeAPI internal {
        return oraclize.setCustomGasPrice(gasPrice);
    }
    function oraclize_setConfig(bytes32 config) oraclizeAPI internal {
        return oraclize.setConfig(config);
    }
    
    function oraclize_randomDS_getSessionPubKeyHash() oraclizeAPI internal returns (bytes32){
        return oraclize.randomDS_getSessionPubKeyHash();
    }

    function getCodeSize(address _addr) constant internal returns(uint _size) {
        _addr;
        _size;
        assembly {
            _size := extcodesize(_addr)
        }
    }

    function parseAddr(string _a) internal returns (address){
        bytes memory tmp = bytes(_a);
        uint160 iaddr = 0;
        uint160 b1;
        uint160 b2;
        for (uint i=2; i<2+2*20; i+=2){
            iaddr *= 256;
            b1 = uint160(tmp[i]);
            b2 = uint160(tmp[i+1]);
            if ((b1 >= 97)&&(b1 <= 102)) b1 -= 87;
            else if ((b1 >= 65)&&(b1 <= 70)) b1 -= 55;
            else if ((b1 >= 48)&&(b1 <= 57)) b1 -= 48;
            if ((b2 >= 97)&&(b2 <= 102)) b2 -= 87;
            else if ((b2 >= 65)&&(b2 <= 70)) b2 -= 55;
            else if ((b2 >= 48)&&(b2 <= 57)) b2 -= 48;
            iaddr += (b1*16+b2);
        }
        return address(iaddr);
    }

    function strCompare(string _a, string _b) internal returns (int) {
        bytes memory a = bytes(_a);
        bytes memory b = bytes(_b);
        uint minLength = a.length;
        if (b.length < minLength) minLength = b.length;
        for (uint i = 0; i < minLength; i ++)
            if (a[i] < b[i])
                return -1;
            else if (a[i] > b[i])
                return 1;
        if (a.length < b.length)
            return -1;
        else if (a.length > b.length)
            return 1;
        else
            return 0;
    }

    function indexOf(string _haystack, string _needle) internal returns (int) {
        bytes memory h = bytes(_haystack);
        bytes memory n = bytes(_needle);
        if(h.length < 1 || n.length < 1 || (n.length > h.length))
            return -1;
        else if(h.length > (2**128 -1))
            return -1;
        else
        {
            uint subindex = 0;
            for (uint i = 0; i < h.length; i ++)
            {
                if (h[i] == n[0])
                {
                    subindex = 1;
                    while(subindex < n.length && (i + subindex) < h.length && h[i + subindex] == n[subindex])
                    {
                        subindex++;
                    }
                    if(subindex == n.length)
                        return int(i);
                }
            }
            return -1;
        }
    }

    function strConcat(string _a, string _b, string _c, string _d, string _e) internal returns (string) {
        bytes memory _ba = bytes(_a);
        bytes memory _bb = bytes(_b);
        bytes memory _bc = bytes(_c);
        bytes memory _bd = bytes(_d);
        bytes memory _be = bytes(_e);
        string memory abcde = new string(_ba.length + _bb.length + _bc.length + _bd.length + _be.length);
        bytes memory babcde = bytes(abcde);
        uint k = 0;
        for (uint i = 0; i < _ba.length; i++) babcde[k++] = _ba[i];
        for (i = 0; i < _bb.length; i++) babcde[k++] = _bb[i];
        for (i = 0; i < _bc.length; i++) babcde[k++] = _bc[i];
        for (i = 0; i < _bd.length; i++) babcde[k++] = _bd[i];
        for (i = 0; i < _be.length; i++) babcde[k++] = _be[i];
        return string(babcde);
    }

    function strConcat(string _a, string _b, string _c, string _d) internal returns (string) {
        return strConcat(_a, _b, _c, _d, "");
    }

    function strConcat(string _a, string _b, string _c) internal returns (string) {
        return strConcat(_a, _b, _c, "", "");
    }

    function strConcat(string _a, string _b) internal returns (string) {
        return strConcat(_a, _b, "", "", "");
    }

    // parseInt
    function parseInt(string _a) internal returns (uint) {
        return parseInt(_a, 0);
    }

    // parseInt(parseFloat*10^_b)
    function parseInt(string _a, uint _b) internal returns (uint) {
        bytes memory bresult = bytes(_a);
        uint mint = 0;
        bool decimals = false;
        for (uint i=0; i<bresult.length; i++){
            if ((bresult[i] >= 48)&&(bresult[i] <= 57)){
                if (decimals){
                   if (_b == 0) break;
                    else _b--;
                }
                mint *= 10;
                mint += uint(bresult[i]) - 48;
            } else if (bresult[i] == 46) decimals = true;
        }
        if (_b > 0) mint *= 10**_b;
        return mint;
    }

    function uint2str(uint i) internal returns (string){
        if (i == 0) return "0";
        uint j = i;
        uint len;
        while (j != 0){
            len++;
            j /= 10;
        }
        bytes memory bstr = new bytes(len);
        uint k = len - 1;
        while (i != 0){
            bstr[k--] = byte(48 + i % 10);
            i /= 10;
        }
        return string(bstr);
    }
    
    function stra2cbor(string[] arr) internal returns (bytes) {
            uint arrlen = arr.length;

            // get correct cbor output length
            uint outputlen = 0;
            bytes[] memory elemArray = new bytes[](arrlen);
            for (uint i = 0; i < arrlen; i++) {
                elemArray[i] = (bytes(arr[i]));
                outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3; //+3 accounts for paired identifier types
            }
            uint ctr = 0;
            uint cborlen = arrlen + 0x80;
            outputlen += byte(cborlen).length;
            bytes memory res = new bytes(outputlen);

            while (byte(cborlen).length > ctr) {
                res[ctr] = byte(cborlen)[ctr];
                ctr++;
            }
            for (i = 0; i < arrlen; i++) {
                res[ctr] = 0x5F;
                ctr++;
                for (uint x = 0; x < elemArray[i].length; x++) {
                    // if there's a bug with larger strings, this may be the culprit
                    if (x % 23 == 0) {
                        uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
                        elemcborlen += 0x40;
                        uint lctr = ctr;
                        while (byte(elemcborlen).length > ctr - lctr) {
                            res[ctr] = byte(elemcborlen)[ctr - lctr];
                            ctr++;
                        }
                    }
                    res[ctr] = elemArray[i][x];
                    ctr++;
                }
                res[ctr] = 0xFF;
                ctr++;
            }
            return res;
        }

    function ba2cbor(bytes[] arr) internal returns (bytes) {
            uint arrlen = arr.length;

            // get correct cbor output length
            uint outputlen = 0;
            bytes[] memory elemArray = new bytes[](arrlen);
            for (uint i = 0; i < arrlen; i++) {
                elemArray[i] = (bytes(arr[i]));
                outputlen += elemArray[i].length + (elemArray[i].length - 1)/23 + 3; //+3 accounts for paired identifier types
            }
            uint ctr = 0;
            uint cborlen = arrlen + 0x80;
            outputlen += byte(cborlen).length;
            bytes memory res = new bytes(outputlen);

            while (byte(cborlen).length > ctr) {
                res[ctr] = byte(cborlen)[ctr];
                ctr++;
            }
            for (i = 0; i < arrlen; i++) {
                res[ctr] = 0x5F;
                ctr++;
                for (uint x = 0; x < elemArray[i].length; x++) {
                    // if there's a bug with larger strings, this may be the culprit
                    if (x % 23 == 0) {
                        uint elemcborlen = elemArray[i].length - x >= 24 ? 23 : elemArray[i].length - x;
                        elemcborlen += 0x40;
                        uint lctr = ctr;
                        while (byte(elemcborlen).length > ctr - lctr) {
                            res[ctr] = byte(elemcborlen)[ctr - lctr];
                            ctr++;
                        }
                    }
                    res[ctr] = elemArray[i][x];
                    ctr++;
                }
                res[ctr] = 0xFF;
                ctr++;
            }
            return res;
        }
        
        
    string oraclize_network_name;
    function oraclize_setNetworkName(string _network_name) internal {
        oraclize_network_name = _network_name;
    }
    
    function oraclize_getNetworkName() internal returns (string) {
        return oraclize_network_name;
    }
    
    function oraclize_newRandomDSQuery(uint _delay, uint _nbytes, uint _customGasLimit) internal returns (bytes32){
        if ((_nbytes == 0)||(_nbytes > 32)) throw;
        bytes memory nbytes = new bytes(1);
        nbytes[0] = byte(_nbytes);
        bytes memory unonce = new bytes(32);
        bytes memory sessionKeyHash = new bytes(32);
        bytes32 sessionKeyHash_bytes32 = oraclize_randomDS_getSessionPubKeyHash();
        sessionKeyHash_bytes32;
        assembly {
            mstore(unonce, 0x20)
            mstore(add(unonce, 0x20), xor(blockhash(sub(number, 1)), xor(coinbase, timestamp)))
            mstore(sessionKeyHash, 0x20)
            mstore(add(sessionKeyHash, 0x20), sessionKeyHash_bytes32)
        }
        bytes[3] memory args = [unonce, nbytes, sessionKeyHash]; 
        bytes32 queryId = oraclize_query(_delay, "random", args, _customGasLimit);
        oraclize_randomDS_setCommitment(queryId, sha3(bytes8(_delay), args[1], sha256(args[0]), args[2]));
        return queryId;
    }
    
    function oraclize_randomDS_setCommitment(bytes32 queryId, bytes32 commitment) internal {
        oraclize_randomDS_args[queryId] = commitment;
    }
    
    mapping(bytes32=>bytes32) oraclize_randomDS_args;
    mapping(bytes32=>bool) oraclize_randomDS_sessionKeysHashVerified;

    function verifySig(bytes32 tosignh, bytes dersig, bytes pubkey) internal returns (bool){
        bool sigok;
        address signer;
        
        bytes32 sigr;
        bytes32 sigs;
        
        bytes memory sigr_ = new bytes(32);
        uint offset = 4+(uint(dersig[3]) - 0x20);
        sigr_ = copyBytes(dersig, offset, 32, sigr_, 0);
        bytes memory sigs_ = new bytes(32);
        offset += 32 + 2;
        sigs_ = copyBytes(dersig, offset+(uint(dersig[offset-1]) - 0x20), 32, sigs_, 0);

        assembly {
            sigr := mload(add(sigr_, 32))
            sigs := mload(add(sigs_, 32))
        }
        
        
        (sigok, signer) = safer_ecrecover(tosignh, 27, sigr, sigs);
        if (address(sha3(pubkey)) == signer) return true;
        else {
            (sigok, signer) = safer_ecrecover(tosignh, 28, sigr, sigs);
            return (address(sha3(pubkey)) == signer);
        }
    }

    function oraclize_randomDS_proofVerify__sessionKeyValidity(bytes proof, uint sig2offset) internal returns (bool) {
        bool sigok;
        
        // Step 6: verify the attestation signature, APPKEY1 must sign the sessionKey from the correct ledger app (CODEHASH)
        bytes memory sig2 = new bytes(uint(proof[sig2offset+1])+2);
        copyBytes(proof, sig2offset, sig2.length, sig2, 0);
        
        bytes memory appkey1_pubkey = new bytes(64);
        copyBytes(proof, 3+1, 64, appkey1_pubkey, 0);
        
        bytes memory tosign2 = new bytes(1+65+32);
        tosign2[0] = 1; //role
        copyBytes(proof, sig2offset-65, 65, tosign2, 1);
        bytes memory CODEHASH = hex"fd94fa71bc0ba10d39d464d0d8f465efeef0a2764e3887fcc9df41ded20f505c";
        copyBytes(CODEHASH, 0, 32, tosign2, 1+65);
        sigok = verifySig(sha256(tosign2), sig2, appkey1_pubkey);
        
        if (sigok == false) return false;
        
        
        // Step 7: verify the APPKEY1 provenance (must be signed by Ledger)
        bytes memory LEDGERKEY = hex"7fb956469c5c9b89840d55b43537e66a98dd4811ea0a27224272c2e5622911e8537a2f8e86a46baec82864e98dd01e9ccc2f8bc5dfc9cbe5a91a290498dd96e4";
        
        bytes memory tosign3 = new bytes(1+65);
        tosign3[0] = 0xFE;
        copyBytes(proof, 3, 65, tosign3, 1);
        
        bytes memory sig3 = new bytes(uint(proof[3+65+1])+2);
        copyBytes(proof, 3+65, sig3.length, sig3, 0);
        
        sigok = verifySig(sha256(tosign3), sig3, LEDGERKEY);
        
        return sigok;
    }
    
    modifier oraclize_randomDS_proofVerify(bytes32 _queryId, string _result, bytes _proof) {
        // Step 1: the prefix has to match 'LP\x01' (Ledger Proof version 1)
        if ((_proof[0] != "L")||(_proof[1] != "P")||(_proof[2] != 1)) throw;
        
        bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName());
        if (proofVerified == false) throw;
        
        _;
    }
    
    function matchBytes32Prefix(bytes32 content, bytes prefix) internal returns (bool){
        bool match_ = true;
        
        for (var i=0; i<prefix.length; i++){
            if (content[i] != prefix[i]) match_ = false;
        }
        
        return match_;
    }

    function oraclize_randomDS_proofVerify__main(bytes proof, bytes32 queryId, bytes result, string context_name) internal returns (bool){
        bool checkok;
        
        
        // Step 2: the unique keyhash has to match with the sha256 of (context name + queryId)
        uint ledgerProofLength = 3+65+(uint(proof[3+65+1])+2)+32;
        bytes memory keyhash = new bytes(32);
        copyBytes(proof, ledgerProofLength, 32, keyhash, 0);
        checkok = (sha3(keyhash) == sha3(sha256(context_name, queryId)));
        if (checkok == false) return false;
        
        bytes memory sig1 = new bytes(uint(proof[ledgerProofLength+(32+8+1+32)+1])+2);
        copyBytes(proof, ledgerProofLength+(32+8+1+32), sig1.length, sig1, 0);
        
        
        // Step 3: we assume sig1 is valid (it will be verified during step 5) and we verify if 'result' is the prefix of sha256(sig1)
        checkok = matchBytes32Prefix(sha256(sig1), result);
        if (checkok == false) return false;
        
        
        // Step 4: commitment match verification, sha3(delay, nbytes, unonce, sessionKeyHash) == commitment in storage.
        // This is to verify that the computed args match with the ones specified in the query.
        bytes memory commitmentSlice1 = new bytes(8+1+32);
        copyBytes(proof, ledgerProofLength+32, 8+1+32, commitmentSlice1, 0);
        
        bytes memory sessionPubkey = new bytes(64);
        uint sig2offset = ledgerProofLength+32+(8+1+32)+sig1.length+65;
        copyBytes(proof, sig2offset-64, 64, sessionPubkey, 0);
        
        bytes32 sessionPubkeyHash = sha256(sessionPubkey);
        if (oraclize_randomDS_args[queryId] == sha3(commitmentSlice1, sessionPubkeyHash)){ //unonce, nbytes and sessionKeyHash match
            delete oraclize_randomDS_args[queryId];
        } else return false;
        
        
        // Step 5: validity verification for sig1 (keyhash and args signed with the sessionKey)
        bytes memory tosign1 = new bytes(32+8+1+32);
        copyBytes(proof, ledgerProofLength, 32+8+1+32, tosign1, 0);
        checkok = verifySig(sha256(tosign1), sig1, sessionPubkey);
        if (checkok == false) return false;
        
        // verify if sessionPubkeyHash was verified already, if not.. let's do it!
        if (oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] == false){
            oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] = oraclize_randomDS_proofVerify__sessionKeyValidity(proof, sig2offset);
        }
        
        return oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash];
    }

    
    // the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
    function copyBytes(bytes from, uint fromOffset, uint length, bytes to, uint toOffset) internal returns (bytes) {
        from;
        uint minLength = length + toOffset;

        if (to.length < minLength) {
            // Buffer too small
            throw; // Should be a better way?
        }

        // NOTE: the offset 32 is added to skip the `size` field of both bytes variables
        uint i = 32 + fromOffset;
        uint j = 32 + toOffset;

        while (i < (32 + fromOffset + length)) {
            assembly {
                let tmp := mload(add(from, i))
                mstore(add(to, j), tmp)
            }
            i += 32;
            j += 32;
        }

        return to;
    }
    
    // the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
    // Duplicate Solidity's ecrecover, but catching the CALL return value
    function safer_ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal returns (bool, address) {
        // We do our own memory management here. Solidity uses memory offset
        // 0x40 to store the current end of memory. We write past it (as
        // writes are memory extensions), but don't update the offset so
        // Solidity will reuse it. The memory used here is only needed for
        // this context.
        hash;
        v;
        r;
        s;
        // FIXME: inline assembly can't access return values
        bool ret;
        address addr;

        assembly {
            let size := mload(0x40)
            mstore(size, hash)
            mstore(add(size, 32), v)
            mstore(add(size, 64), r)
            mstore(add(size, 96), s)

            // NOTE: we can reuse the request memory because we deal with
            //       the return code
            ret := call(3000, 1, 0, size, 128, size, 32)
            addr := mload(size)
        }
  
        return (ret, addr);
    }

    // the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license
    function ecrecovery(bytes32 hash, bytes sig) internal returns (bool, address) {
        bytes32 r;
        bytes32 s;
        uint8 v;

        if (sig.length != 65)
          return (false, 0);

        // The signature format is a compact form of:
        //   {bytes32 r}{bytes32 s}{uint8 v}
        // Compact means, uint8 is not padded to 32 bytes.
        assembly {
            r := mload(add(sig, 32))
            s := mload(add(sig, 64))

            // Here we are loading the last 32 bytes. We exploit the fact that
            // 'mload' will pad with zeroes if we overread.
            // There is no 'mload8' to do this, but that would be nicer.
            v := byte(0, mload(add(sig, 96)))

            // Alternative solution:
            // 'byte' is not working due to the Solidity parser, so lets
            // use the second best option, 'and'
            // v := and(mload(add(sig, 65)), 255)
        }

        // albeit non-transactional signatures are not specified by the YP, one would expect it
        // to match the YP range of [27, 28]
        //
        // geth uses [0, 1] and some clients have followed. This might change, see:
        //  https://github.com/ethereum/go-ethereum/issues/2053
        if (v < 27)
          v += 27;

        if (v != 27 && v != 28)
            return (false, 0);

        return safer_ecrecover(hash, v, r, s);
    }
        
}
// </ORACLIZE_API>

// EtherFlip

contract token { function transfer(address receiver, uint amount){ receiver; amount; } }

contract EtherFlip is usingOraclize {
    
    modifier ownerAction {
         if (msg.sender != owner) throw;
         _;
    }
    
    modifier oraclizeAction {
        if (msg.sender != oraclize_cbAddress()) throw;
        _;
    }
    
    //~ Events
    event newRandomByte(bytes);
    
    //~ Public Properties
    token public flipTokenReward;
    token public millionDollarTokenReward;
    int public generatedByte;
    
    //~ Base setup
    address public owner;
    
    //~ EtherFlip Properties
    uint public maxBet = (100000000000000000 * 1 wei);
    uint public minBet = (10000000000000000 * 1 wei);
    uint public singleTransGasCost = 4000000000000000; //API cost of Oraclize
    int public baseComparable = 133;
    uint public flipRewardAmount = 100;
    uint public mdtRewardAmount = 1;
    
    //~ Address & Amount hashes to accurately send transactions/winnings
    mapping (bytes32 => address) playerAddress;
    mapping (bytes32 => uint) playerAmount;

    function EtherFlip(token addressOfFlipToken, token addressOfMillionDollarToken) {
        owner = msg.sender;
        flipTokenReward = token(addressOfFlipToken);
        millionDollarTokenReward = token(addressOfMillionDollarToken);
        oraclize_setProof(proofType_Ledger);
    }
    
    function () payable {
        if (msg.sender != owner) {
            if (msg.value > maxBet) throw;
            if (msg.value < minBet) throw; 
        }
        oraclize_setProof(proofType_Ledger);
        uint numberOfBytes = 1;
        uint delay = 0;
        uint callbackGas = 200000;
        bytes32 queryId = oraclize_newRandomDSQuery(delay, numberOfBytes, callbackGas); 
        playerAddress[queryId] = msg.sender;
        playerAmount[queryId] = msg.value;
    }
    
    function __callback(bytes32 _queryId, string _result, bytes _proof) oraclize_randomDS_proofVerify(_queryId, _result, _proof) oraclizeAction { 
        if (msg.sender != oraclize_cbAddress()) throw;
        
        //Random byte result
        newRandomByte(bytes(_result));
        generatedByte = int(bytes(_result)[0]);
        uint amount = playerAmount[_queryId];

        if (generatedByte > baseComparable) {
            playerAddress[_queryId].transfer(amount + amount - singleTransGasCost - singleTransGasCost);
        } 
        if (generatedByte <= baseComparable) {
            if (flipRewardAmount > 0) {
                flipTokenReward.transfer(playerAddress[_queryId], flipRewardAmount);
            }
        } 
        if (generatedByte == baseComparable) {
            if (mdtRewardAmount > 0) {
                millionDollarTokenReward.transfer(playerAddress[_queryId], mdtRewardAmount); 
            }
        }
        delete playerAddress[_queryId];
        delete playerAmount[_queryId];
    }
    
    function updateMaxBet(uint updatedMaxBet) public ownerAction {
        maxBet = updatedMaxBet * 1 wei;
    }  
    
    function updateMinBet(uint updatedMinBet) public ownerAction {
        minBet = updatedMinBet * 1 wei;
    }
    
    function updateTotalGasCost(uint updatedGasCost) public ownerAction {
        singleTransGasCost = updatedGasCost;
    } 
    
    function updateBaseComparable(int updatedBaseComparable) public ownerAction {
        baseComparable = updatedBaseComparable;
    }
    
    function updateOwner(address updatedOwner) public ownerAction {
        owner = updatedOwner;
    }
    
    function updateFlipTokenRewardAmount(uint updatedRewardAmount) public ownerAction {
        flipRewardAmount = updatedRewardAmount;
    }
    
    function updateMDTRewardAmount(uint updatedRewardAmount) public ownerAction {
        mdtRewardAmount = updatedRewardAmount;
    }
    
    function ownerTransferEther(address outboundAddress, uint amount) public ownerAction {        
        if(!outboundAddress.send(amount)) throw;
    }
    
    function refundTransfer(address outboundAddress, uint amount) public ownerAction {        
        outboundAddress.transfer(amount);
    }
    
    function changeBonusTokenAddress(token updatedBonusToken) public ownerAction {
        millionDollarTokenReward = updatedBonusToken;
    }
    
}

    Contract ABI  
[{"constant":false,"inputs":[{"name":"myid","type":"bytes32"},{"name":"result","type":"string"}],"name":"__callback","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"generatedByte","outputs":[{"name":"","type":"int256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"maxBet","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"singleTransGasCost","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_queryId","type":"bytes32"},{"name":"_result","type":"string"},{"name":"_proof","type":"bytes"}],"name":"__callback","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"baseComparable","outputs":[{"name":"","type":"int256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"updatedRewardAmount","type":"uint256"}],"name":"updateMDTRewardAmount","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"updatedGasCost","type":"uint256"}],"name":"updateTotalGasCost","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"flipTokenReward","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"flipRewardAmount","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"outboundAddress","type":"address"},{"name":"amount","type":"uint256"}],"name":"ownerTransferEther","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"updatedOwner","type":"address"}],"name":"updateOwner","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"minBet","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"updatedMaxBet","type":"uint256"}],"name":"updateMaxBet","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"updatedBaseComparable","type":"int256"}],"name":"updateBaseComparable","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"millionDollarTokenReward","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"outboundAddress","type":"address"},{"name":"amount","type":"uint256"}],"name":"refundTransfer","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"mdtRewardAmount","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"updatedBonusToken","type":"address"}],"name":"changeBonusTokenAddress","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"updatedRewardAmount","type":"uint256"}],"name":"updateFlipTokenRewardAmount","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"updatedMinBet","type":"uint256"}],"name":"updateMinBet","outputs":[],"payable":false,"type":"function"},{"inputs":[{"name":"addressOfFlipToken","type":"address"},{"name":"addressOfMillionDollarToken","type":"address"}],"payable":false,"type":"constructor"},{"payable":true,"type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"bytes"}],"name":"newRandomByte","type":"event"}]

  Contract Creation Code Switch To Opcodes View
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    Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000c997d07b0bc607b6d1bcb6fb9d4a5579c466c3e500000000000000000000000037f014c64d186eaf879c0033846b51924ce42584

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000c997d07b0bc607b6d1bcb6fb9d4a5579c466c3e5
Arg [1] : 00000000000000000000000037f014c64d186eaf879c0033846b51924ce42584


   Swarm Source:
bzzr://ee57a12f5b42ff76560a19df7862e427a10e5341fcb9d5b4e5615c4e86e22f93

 

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