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feat: add custom max gas for block for sim config #16656

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merged 10 commits into from
Jun 27, 2023
Merged

feat: add custom max gas for block for sim config #16656

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98d8a19
avoid invalid consensus params when set unlimited max gas for sim test
mmsqe Jun 21, 2023
25790ad
Revert "avoid invalid consensus params when set unlimited max gas for…
mmsqe Jun 22, 2023
00b13c5
add custom BlockMaxGas for sim test
mmsqe Jun 22, 2023
741e481
add change doc
mmsqe Jun 22, 2023
d9337b4
fix config
mmsqe Jun 22, 2023
86b7150
use 0 as -1
mmsqe Jun 23, 2023
e9edb5b
Merge remote-tracking branch 'origin/main' into fix_sim
mmsqe Jun 26, 2023
80c1415
Apply suggestions from code review
mmsqe Jun 26, 2023
63c3b6c
Merge remote-tracking branch 'origin/main' into fix_sim
mmsqe Jun 27, 2023
edd55bd
update change doc
mmsqe Jun 27, 2023
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -101,6 +101,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
* (cli) [#16209](https://github.com/cosmos/cosmos-sdk/pull/16209) Make `StartCmd` more customizable.
* (types) [#16257](https://github.com/cosmos/cosmos-sdk/pull/16257) Allow setting the base denom in the denom registry.
* (genutil) [#16046](https://github.com/cosmos/cosmos-sdk/pull/16046) Add "module-name" flag to genutil add-genesis-account to enable intializing module accounts at genesis.
* (sims) [#16656](https://github.com/cosmos/cosmos-sdk/pull/16656) Add custom max gas for block for sim config with unlimited as default.
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nit, can you place the changelog under unreleased?

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updated, is it possible that we backport to v0.46.x as well


### Improvements

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3 changes: 2 additions & 1 deletion types/simulation/config.go
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Expand Up @@ -22,5 +22,6 @@ type Config struct {
OnOperation bool // run slow invariants every operation
AllInvariants bool // print all failed invariants if a broken invariant is found

DBBackend string // custom db backend type
DBBackend string // custom db backend type
BlockMaxGas *int64 // custom max gas for block
}
5 changes: 2 additions & 3 deletions x/simulation/params.go
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Expand Up @@ -176,7 +176,7 @@ func (w WeightedProposalContent) ContentSimulatorFn() simulation.ContentSimulato
// Consensus Params

// randomConsensusParams returns random simulation consensus parameters, it extracts the Evidence from the Staking genesis state.
func randomConsensusParams(r *rand.Rand, appState json.RawMessage, cdc codec.JSONCodec) *cmtproto.ConsensusParams {
func randomConsensusParams(r *rand.Rand, appState json.RawMessage, cdc codec.JSONCodec, maxGas int64) *cmtproto.ConsensusParams {
var genesisState map[string]json.RawMessage
err := json.Unmarshal(appState, &genesisState)
if err != nil {
Expand All @@ -187,7 +187,7 @@ func randomConsensusParams(r *rand.Rand, appState json.RawMessage, cdc codec.JSO
consensusParams := &cmtproto.ConsensusParams{
Block: &cmtproto.BlockParams{
MaxBytes: int64(simulation.RandIntBetween(r, 20000000, 30000000)),
MaxGas: -1,
MaxGas: maxGas,
},
Validator: &cmtproto.ValidatorParams{
PubKeyTypes: []string{types.ABCIPubKeyTypeEd25519},
Expand All @@ -197,7 +197,6 @@ func randomConsensusParams(r *rand.Rand, appState json.RawMessage, cdc codec.JSO
MaxAgeDuration: stakingGenesisState.Params.UnbondingTime,
},
}

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bz, err := json.MarshalIndent(&consensusParams, "", " ")
if err != nil {
panic(err)
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6 changes: 5 additions & 1 deletion x/simulation/simulate.go
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Expand Up @@ -31,8 +31,12 @@ func initChain(
config simulation.Config,
cdc codec.JSONCodec,
) (mockValidators, time.Time, []simulation.Account, string) {
blockMaxGas := int64(-1)
if config.BlockMaxGas != nil {
blockMaxGas = *config.BlockMaxGas
}
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ditto

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The zero value of int64 is 0, but 0 is a valid value for max gas. If we don't use a pointer, we cannot maintain a default behaviour of maxGas with value -1

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Why can't the default be -1 w/o using a pointer?

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updated, but we can't set maxGas as 0 unless pointer

appState, accounts, chainID, genesisTimestamp := appStateFn(r, accounts, config)
consensusParams := randomConsensusParams(r, appState, cdc)
consensusParams := randomConsensusParams(r, appState, cdc, blockMaxGas)
req := abci.RequestInitChain{
AppStateBytes: appState,
ChainId: chainID,
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