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horizontalsystems / bitcoin-kit-android

Comprehensive Bitcoin development library for Android, implemented on Kotlin. SPV wallet implementation for Bitcoin, Bitcoin Cash, Litecoin and Dash blockchains. Fully compliant with existing standards and BIPs.

Home Page:https://unstoppable.money

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Potential issue with BlockValidatorHelper::getPrevious() when there is a fork

abdrasulov opened this issue · comments

commented

If there is a fork in the chain, the method BlockValidatorHelper::getPrevious() may return incorrect block. The reason is that the block is retrieved by its height. And when there is a fork there maybe 2 blocks with the same height.