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Developer tools for Cadence
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[Test] Unable to use `RandomBeaconHistory` contract #261

Closed austinkline closed 8 months ago

austinkline commented 8 months ago

Current Behavior

The use of the RandomBeaconHistory in the Cadence testing framework is broken, I get the following error when running a test on a repo of ours:

Full stack trace 1add2b24ceb669bec953141646beef36854a11de994050782405416e5f1cdd90:10:8\n |\n10 | manager.revealDrawing(manager: ref, raffleID: id, receiptID: receiptID)\n | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\n --> 0000000000000007.FlowtyRaffles:319:12\n |\n319 | manager._revealDrawing(raffleID: raffleID, receiptID: receiptID, drawer: ref)\n | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\n --> 0000000000000007.FlowtyRaffles:327:32\n |\n327 | let drawingResult = raffle.revealDrawing(id: receiptID)\n | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\n --> 0000000000000007.FlowtyRaffles:183:51\n |\n183 | let res: FlowtyRaffles.DrawingResult = receipt.reveal(ref)\n | ^^^^^^^^^^^^^^^^^^^\n\n --> 0000000000000007.FlowtyRaffles:107:23\n |\n107 | let rand = FlowtyRaffles.randUInt64(atBlockHeight: self.commitBlock, salt: self.uuid)\n | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\n --> 0000000000000007.FlowtyRaffles:347:33\n |\n347 | let sourceOfRandomness = RandomBeaconHistory.sourceOfRandomnessAtBlockHeight(blockHeight: atBlockHeight)\n | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\nerror: pre-condition failed: Source of randomness not yet recorded\n --> 0000000000000001.RandomBeaconHistory:96:12\n |\n96 | blockHeight < getCurrentBlock().height: \"Source of randomness not yet recorded\"\n | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\n\n")) --> test_helpers.cdc:60:4 ```

The important Part:

0000000000000007.FlowtyRaffles:347:33
    |
347 |         let sourceOfRandomness = RandomBeaconHistory.sourceOfRandomnessAtBlockHeight(blockHeight: atBlockHeight)
    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: pre-condition failed: Source of randomness not yet recorded
  --> 0000000000000001.RandomBeaconHistory:96:12
   |
96 |             blockHeight < getCurrentBlock().height: \"Source of randomness not yet recorded\"
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

"))
              --> test_helpers.cdc:60:4

Expected Behavior

Randomness Beacon should work

Steps To Reproduce

PR to reproduce: https://github.com/Flowtyio/flow-raffle/pull/17

pull its branch down and run 

./run-tests.sh

Environment

- Cadence version: v1.9.2
- Network: Cadence Testing Framework