[#CChainParams-AssumeutxoForBlockhash] = xref:CChainParams.adoc[CChainParams]::AssumeutxoForBlockhash :relfileprefix: ../ :mrdocs: Looks up the assumeutxo snapshot data for a given base block hash. == Synopsis Declared in `<kernel/chainparams.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- std::optional<AssumeutxoData> AssumeutxoForBlockhash(xref:uint256.adoc[uint256] const& blockhash) const; ---- == Return Value The matching snapshot data, or an empty optional if none exists. == Parameters [cols="1,4"] |=== | Name| Description | *blockhash* | The base block hash to search for. |=== [.small]#Created with https://www.mrdocs.com[MrDocs]#