From ed046966bdcf275e6d2b8b8a406940cf07c67a35 Mon Sep 17 00:00:00 2001
From: Marko <marbar3778@yahoo.com>
Date: Wed, 16 Sep 2020 18:03:49 +0200
Subject: [PATCH] upgrading: state store change (#5364)

## Description

Adding a section explaining the state store interface change. I wasn't aware this was used externally. Our infamous API strikes again.


<img width="462" alt="Screen Shot 2020-09-16 at 2 57 12 PM" src="https://user-images.githubusercontent.com/24299864/93342053-2835fe80-f82f-11ea-9296-9484c2931d9a.png">

Closes: #XXX
---
 UPGRADING.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/UPGRADING.md b/UPGRADING.md
index d4fb827f1..caf4c189a 100644
--- a/UPGRADING.md
+++ b/UPGRADING.md
@@ -138,6 +138,8 @@ A field `State.InitialHeight` has been added to record the initial chain height,
 (not `0`) if starting from height `1`. This can be configured via the genesis field
 `initial_height`.
 
+The state package has added a `Store` interface. All functions in [state/store.go](https://github.com/tendermint/tendermint/blob/56911ee35298191c95ef1c7d3d5ec508237aaff4/state/store.go#L42-L42) are now part of the interface. The interface returns errors on all methods and can be used by calling `state.NewStore(dbm.DB)`.
+
 ### Privval
 
 All requests are now accompanied by the chainID from the network.