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Proof integration fix store #1505

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@eshelB eshelB commented Aug 8, 2023

uses a version of the cosmos sdk that passes a multistore to queries which contains height-1 as well, not only the last height

@@ -5,7 +5,7 @@ go 1.19
replace (
// dragonberry
github.com/confio/ics23/go => github.com/cosmos/cosmos-sdk/ics23/go v0.8.0
github.com/cosmos/cosmos-sdk => github.com/scrtlabs/cosmos-sdk v0.45.13-0.20230726163133-dc2b5eab1db5
github.com/cosmos/cosmos-sdk => github.com/scrtlabs/cosmos-sdk v0.45.13-0.20230808154448-1e7ad22811a4
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Seeing this scrtlabs/cosmos-sdk@1e7ad22811a4, is there a way to pass height-1 when we call this? I'm not sure what are the performance implications.

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If we pass height-1 it breaks all other queries other than wasm

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wasm doesn't care as it has the cache

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I told Itzik about this, we thought maybe we should see what happens and if there are performance implications, we know what to look for. Also memory implications, as now queries have the whole db. But probably none of these implications exist as these are all pointers to subsections of the iavl store?

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@toml01 toml01 Aug 15, 2023

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If we see performance issues, we could probably even create a context with both height and height - 1 instead of the whole store.

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@eshelB eshelB Sep 6, 2023

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I tried to find a way to do this but it seems that the multiStore there didn't support more than one specific version, only all of them

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This is a buggy cosmos-sdk version, causing x-cosmos-block-height (i.e. query at height) to stop working. See failing test.
We shouldn't merge this.

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3 participants