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claimpegin should not succeed if it is double-claiming a tx already in mempool or blockchain #613

stevenroose opened this issue May 7, 2019 · 1 comment


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commented May 7, 2019

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commented May 7, 2019

To elaborate, the wallet should not report success(a txid).


  1. Check IsPeginSpent for UTXO db check
  2. Check if that input is already in the mempool as spent.

instagibbs added a commit that referenced this issue May 8, 2019

Merge #614: Improve double pegin claim behavior
52ef283 Improve the fedpeg test with extra double claim tests (Steven Roose)
48a82fa Make claimpegin fail in the case of a double claim (Steven Roose)
af22646 Prevent pegin double spends from entering the mempool (Steven Roose)
50c5570 Report IsValidPeginWitness error message (Steven Roose)

Pull request description:

  Fixes #612 and #613.

  - prevents a double claim from entering mempool
  - makes `claimpegin` throw an exception when trying to double claim a pegin
  - check the last commit message on all the extra cases that are tested.

Tree-SHA512: dd9602cd4bc78a3e8f7a6b566f881ede09dba54900425348c1eb528268a3e869416e3c9ca97c1a8da4d120875ef59c4e21a857256312ce77e06b7b6ae04abf92

@instagibbs instagibbs closed this May 8, 2019

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