sims are failing on main

[kocubinski]

LevelDB cached block size 5312854
exporting genesis...
importing genesis...
comparing stores...
compared 0 different key/value pairs between KVStoreKey{0xc000bd7620, acc} and KVStoreKey{0xc000307920, acc}
compared 1 different key/value pairs between KVStoreKey{0xc000bdbc40, staking} and KVStoreKey{0xc000bf8640, staking}
--- FAIL: TestAppImportExport (11.82s)
panic: invalid staking key prefix 51 [recovered]
	panic: invalid staking key prefix 51 [recovered]
	panic: invalid staking key prefix 51

goroutine 102 [running]:
testing.tRunner.func1.2({0x1d994e0, 0xc00305ac90})
	/home/mkoco/sdk/go1.18.2/src/testing/testing.go:1389 +0x24e
testing.tRunner.func1()
	/home/mkoco/sdk/go1.18.2/src/testing/testing.go:1392 +0x39f
panic({0x1d994e0, 0xc00305ac90})
	/home/mkoco/sdk/go1.18.2/src/runtime/panic.go:838 +0x207
github.com/cosmos/cosmos-sdk/simapp.TestAppImportExport.func3()
	/home/mkoco/dev/regen/cosmos-sdk/simapp/sim_test.go:173 +0x1de
panic({0x1d994e0, 0xc00305ac90})
	/home/mkoco/sdk/go1.18.2/src/runtime/panic.go:838 +0x207
github.com/cosmos/cosmos-sdk/x/staking/simulation.NewDecodeStore.func1({{0xc0037aff6c, 0x1, 0x1}, {0xc000e32d20, 0x17, 0x17}}, {{0x0, 0x0, 0x0}, {0x0, ...}})
	/home/mkoco/dev/regen/cosmos-sdk/x/staking/simulation/decoder.go:61 +0xc19
github.com/cosmos/cosmos-sdk/simapp.GetSimulationLog({0x210204e, 0x7}, 0x218e407?, {0xc0033be2a0, 0x1, 0x3?}, {0xc0033be2d0, 0x1, 0x1?})
	/home/mkoco/dev/regen/cosmos-sdk/simapp/utils.go:124 +0x1d4
github.com/cosmos/cosmos-sdk/simapp.TestAppImportExport(0xc000534000)
	/home/mkoco/dev/regen/cosmos-sdk/simapp/sim_test.go:215 +0x1947
testing.tRunner(0xc000534000, 0x27fd6a8)
	/home/mkoco/sdk/go1.18.2/src/testing/testing.go:1439 +0x102
created by testing.(*T).Run
	/home/mkoco/sdk/go1.18.2/src/testing/testing.go:1486 +0x35f
FAIL	github.com/cosmos/cosmos-sdk/simapp	11.859s
FAIL

[alexanderbez]

Do we know the offending PR? I don't understand how PRs are merged that fail sims. Unless this was a nightly run?

[kocubinski]

Yes.. I'll add details in the PR. It was a periodic run, not the PR checks.