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I'm using oraclize for generating random number for my smart contract. I have tested successfully with 2 methods:

  • Using WolframAlpha
  • Using random.org service

But when I try oraclize_newRandomDSQuery. My transaction always reverted. I don't know why Here is my code:

function _sendRandomQuery(uint256 _gasLimit) internal returns (uint256) {
           oraclize_newRandomDSQuery(0, 7, 200000);
           return 100;

}

Please tell me why.

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  • If you add a link to one of the reverted transactions it would be easier to debug...
    – Adam Dossa
    Jun 11, 2018 at 10:28

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