libnexakotlin/org.nexa.libnexakotlin/BlockHeaderDatabase

BlockHeaderDatabase

interface BlockHeaderDatabase

Inheritors

Functions

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abstract fun clear()
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abstract fun close()
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abstract fun diffUpsert(header: iBlockHeader)
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abstract fun getCachedTipHeader(): iBlockHeader?
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abstract fun getHeader(hash: ByteArray): iBlockHeader?

If a header identified by this hash does not exist, return null

abstract fun getHeader(height: Long): iBlockHeader?

Get a main chain (a chain with the most work) header by its height

abstract fun getHeader(hash: Hash256): iBlockHeader?
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abstract fun getHeadersAtHeight(height: Long): List<iBlockHeader>

Multiple chains may exist at this height so a list is returned

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abstract fun insertHeader(header: iBlockHeader)
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abstract fun setCachedTipHeader(header: iBlockHeader)
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abstract fun upsert(headers: Collection<iBlockHeader>)