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Move history of contract code migrations to their own prefix store. #196

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alpe opened this issue Jul 16, 2020 · 2 comments · Fixed by #208
Closed
4 tasks

Move history of contract code migrations to their own prefix store. #196

alpe opened this issue Jul 16, 2020 · 2 comments · Fixed by #208

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@alpe
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alpe commented Jul 16, 2020

Summary

Move history of contract code migrations to their own prefix store. This would reduce the overhead in de-/serialization data for ContractInfo and save gas.

Follow up on #130

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@ethanfrey
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Good idea.

I think they can have a different prefix store, but one element per contract. Using the same address as key.

Definitely makes most queries much cheaper when there is much migration

@alpe
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alpe commented Jul 20, 2020

👍 Another benefit is easier genesis ex-/ import as there is no need to import the history

@alpe alpe mentioned this issue Jul 20, 2020
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zemyblue pushed a commit to Finschia/wasmd that referenced this issue Jan 2, 2023
@fedekunze @alexanderbez
Merge PR CosmWasm#196: Upgrade module
9823769
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Use prefix store for contract history CosmWasm/wasmd
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@alpe @ethanfrey