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ensure latest height revision number matches chain id revision number #241

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merged 7 commits into from
Jul 7, 2021
Merged

ensure latest height revision number matches chain id revision number #241

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a1d5b33
ensure latest height revision number matches chain id revision number
colin-axner Jul 7, 2021
08b9af4
add changelog
colin-axner Jul 7, 2021
84e341f
Update modules/light-clients/07-tendermint/types/client_state_test.go
colin-axner Jul 7, 2021
49bfa8a
Update modules/light-clients/07-tendermint/types/client_state_test.go
colin-axner Jul 7, 2021
53ad6f4
address review suggestions
colin-axner Jul 7, 2021
2d070b6
Merge branch 'colin/240-client-validate' of github.com:cosmos/ibc-go …
colin-axner Jul 7, 2021
1be3f11
Merge branch 'main' into colin/240-client-validate
colin-axner Jul 7, 2021
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -43,6 +43,7 @@ Ref: https://keepachangelog.com/en/1.0.0/

### Bug Fixes

* (07-tendermint) [\#241](https://github.com/cosmos/ibc-go/pull/241) Ensure tendermint client state latest height revision number matches chain id revision number.
* (07-tendermint) [\#234](https://github.com/cosmos/ibc-go/pull/234) Use sentinel value for the consensus state root set during a client upgrade. This prevents genesis validation from failing.
* (modules) [\#223](https://github.com/cosmos/ibc-go/pull/223) Use correct Prometheus format for metric labels.
* (06-solomachine) [\#214](https://github.com/cosmos/ibc-go/pull/214) Disable defensive timestamp check in SendPacket for solo machine clients.
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2 changes: 1 addition & 1 deletion modules/core/02-client/keeper/client_test.go
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Expand Up @@ -394,7 +394,7 @@ func (suite *KeeperTestSuite) TestUpgradeClient() {
tc := tc
path = ibctesting.NewPath(suite.chainA, suite.chainB)
suite.coordinator.SetupClients(path)
upgradedClient = ibctmtypes.NewClientState("newChainId", ibctmtypes.DefaultTrustLevel, trustingPeriod, ubdPeriod+trustingPeriod, maxClockDrift, newClientHeight, commitmenttypes.GetSDKSpecs(), ibctesting.UpgradePath, false, false)
upgradedClient = ibctmtypes.NewClientState("newChainId-1", ibctmtypes.DefaultTrustLevel, trustingPeriod, ubdPeriod+trustingPeriod, maxClockDrift, newClientHeight, commitmenttypes.GetSDKSpecs(), ibctesting.UpgradePath, false, false)
upgradedClient = upgradedClient.ZeroCustomFields()
upgradedClientBz, err = types.MarshalClientState(suite.chainA.App.AppCodec(), upgradedClient)
suite.Require().NoError(err)
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4 changes: 2 additions & 2 deletions modules/core/keeper/msg_server_test.go
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Expand Up @@ -657,7 +657,7 @@ func (suite *KeeperTestSuite) TestUpgradeClient() {
name: "successful upgrade",
setup: func() {

upgradedClient = ibctmtypes.NewClientState("newChainId", ibctmtypes.DefaultTrustLevel, ibctesting.TrustingPeriod, ibctesting.UnbondingPeriod+ibctesting.TrustingPeriod, ibctesting.MaxClockDrift, newClientHeight, commitmenttypes.GetSDKSpecs(), ibctesting.UpgradePath, false, false)
upgradedClient = ibctmtypes.NewClientState("newChainId-1", ibctmtypes.DefaultTrustLevel, ibctesting.TrustingPeriod, ibctesting.UnbondingPeriod+ibctesting.TrustingPeriod, ibctesting.MaxClockDrift, newClientHeight, commitmenttypes.GetSDKSpecs(), ibctesting.UpgradePath, false, false)
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Why don't you create the variable for these tests as well?

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sure, there was only 2 of them so didn't feel as necessary

// Call ZeroCustomFields on upgraded clients to clear any client-chosen parameters in test-case upgradedClient
upgradedClient = upgradedClient.ZeroCustomFields()

Expand Down Expand Up @@ -698,7 +698,7 @@ func (suite *KeeperTestSuite) TestUpgradeClient() {
name: "VerifyUpgrade fails",
setup: func() {

upgradedClient = ibctmtypes.NewClientState("newChainId", ibctmtypes.DefaultTrustLevel, ibctesting.TrustingPeriod, ibctesting.UnbondingPeriod+ibctesting.TrustingPeriod, ibctesting.MaxClockDrift, newClientHeight, commitmenttypes.GetSDKSpecs(), ibctesting.UpgradePath, false, false)
upgradedClient = ibctmtypes.NewClientState("newChainId-1", ibctmtypes.DefaultTrustLevel, ibctesting.TrustingPeriod, ibctesting.UnbondingPeriod+ibctesting.TrustingPeriod, ibctesting.MaxClockDrift, newClientHeight, commitmenttypes.GetSDKSpecs(), ibctesting.UpgradePath, false, false)
// Call ZeroCustomFields on upgraded clients to clear any client-chosen parameters in test-case upgradedClient
upgradedClient = upgradedClient.ZeroCustomFields()

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8 changes: 7 additions & 1 deletion modules/light-clients/07-tendermint/types/client_state.go
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Expand Up @@ -122,8 +122,14 @@ func (cs ClientState) Validate() error {
if cs.MaxClockDrift == 0 {
return sdkerrors.Wrap(ErrInvalidMaxClockDrift, "max clock drift cannot be zero")
}

// the latest height revision number must match the chain id revision number
if cs.LatestHeight.RevisionNumber != clienttypes.ParseChainID(cs.ChainId) {
return sdkerrors.Wrapf(ErrInvalidHeaderHeight,
"latest height revision number must match chain id revision number (%d != %d)", cs.LatestHeight.RevisionNumber, clienttypes.ParseChainID(cs.ChainId))
}
if cs.LatestHeight.RevisionHeight == 0 {
return sdkerrors.Wrapf(ErrInvalidHeaderHeight, "tendermint revision height cannot be zero")
return sdkerrors.Wrapf(ErrInvalidHeaderHeight, "latest height revision height cannot be zero")
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I would say this should remain. No tendermint height should start at 0

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I can add back the tendermint part but the latest height makes things more specific since the frozen height also contains a revision height

}
if cs.TrustingPeriod >= cs.UnbondingPeriod {
return sdkerrors.Wrapf(
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7 changes: 6 additions & 1 deletion modules/light-clients/07-tendermint/types/client_state_test.go
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Expand Up @@ -129,7 +129,12 @@ func (suite *TendermintTestSuite) TestValidate() {
expPass: false,
},
{
name: "invalid height",
name: "invalid revision number",
clientState: types.NewClientState(chainID, types.DefaultTrustLevel, trustingPeriod, ubdPeriod, maxClockDrift, clienttypes.NewHeight(1, 1), commitmenttypes.GetSDKSpecs(), upgradePath, false, false),
expPass: false,
},
{
name: "invalid revision height",
clientState: types.NewClientState(chainID, types.DefaultTrustLevel, trustingPeriod, ubdPeriod, maxClockDrift, clienttypes.ZeroHeight(), commitmenttypes.GetSDKSpecs(), upgradePath, false, false),
expPass: false,
},
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13 changes: 9 additions & 4 deletions modules/light-clients/07-tendermint/types/upgrade_test.go
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Expand Up @@ -10,6 +10,10 @@ import (
ibctesting "github.com/cosmos/ibc-go/testing"
)

var (
newChainId = "newChainId-1"
)

func (suite *TendermintTestSuite) TestVerifyUpgrade() {
var (
upgradedClient exported.ClientState
Expand Down Expand Up @@ -54,6 +58,7 @@ func (suite *TendermintTestSuite) TestVerifyUpgrade() {
name: "successful upgrade to same revision",
setup: func() {
upgradedHeight := clienttypes.NewHeight(0, uint64(suite.chainB.GetContext().BlockHeight()+2))
// don't use -1 suffix in chain id
upgradedClient = types.NewClientState("newChainId", types.DefaultTrustLevel, trustingPeriod, ubdPeriod+trustingPeriod, maxClockDrift, upgradedHeight, commitmenttypes.GetSDKSpecs(), upgradePath, false, false)
upgradedClient = upgradedClient.ZeroCustomFields()
upgradedClientBz, err = clienttypes.MarshalClientState(suite.chainA.App.AppCodec(), upgradedClient)
Expand Down Expand Up @@ -109,7 +114,7 @@ func (suite *TendermintTestSuite) TestVerifyUpgrade() {
name: "unsuccessful upgrade: committed client does not have zeroed custom fields",
setup: func() {
// non-zeroed upgrade client
upgradedClient = types.NewClientState("newChainId", types.DefaultTrustLevel, trustingPeriod, ubdPeriod+trustingPeriod, maxClockDrift, newClientHeight, commitmenttypes.GetSDKSpecs(), upgradePath, false, false)
upgradedClient = types.NewClientState(newChainId, types.DefaultTrustLevel, trustingPeriod, ubdPeriod+trustingPeriod, maxClockDrift, newClientHeight, commitmenttypes.GetSDKSpecs(), upgradePath, false, false)
upgradedClientBz, err = clienttypes.MarshalClientState(suite.chainA.App.AppCodec(), upgradedClient)
suite.Require().NoError(err)

Expand Down Expand Up @@ -167,7 +172,7 @@ func (suite *TendermintTestSuite) TestVerifyUpgrade() {
suite.chainB.GetSimApp().UpgradeKeeper.SetUpgradedConsensusState(suite.chainB.GetContext(), int64(lastHeight.GetRevisionHeight()), upgradedConsStateBz)

// change upgradedClient client-specified parameters
upgradedClient = types.NewClientState("newChainId", types.DefaultTrustLevel, ubdPeriod, ubdPeriod+trustingPeriod, maxClockDrift+5, lastHeight, commitmenttypes.GetSDKSpecs(), upgradePath, true, false)
upgradedClient = types.NewClientState(newChainId, types.DefaultTrustLevel, ubdPeriod, ubdPeriod+trustingPeriod, maxClockDrift+5, lastHeight, commitmenttypes.GetSDKSpecs(), upgradePath, true, false)

suite.coordinator.CommitBlock(suite.chainB)
err := path.EndpointA.UpdateClient()
Expand Down Expand Up @@ -398,7 +403,7 @@ func (suite *TendermintTestSuite) TestVerifyUpgrade() {
name: "unsuccessful upgrade: final client is not valid",
setup: func() {
// new client has smaller unbonding period such that old trusting period is no longer valid
upgradedClient = types.NewClientState("newChainId", types.DefaultTrustLevel, trustingPeriod, trustingPeriod, maxClockDrift, newClientHeight, commitmenttypes.GetSDKSpecs(), upgradePath, false, false)
upgradedClient = types.NewClientState(newChainId, types.DefaultTrustLevel, trustingPeriod, trustingPeriod, maxClockDrift, newClientHeight, commitmenttypes.GetSDKSpecs(), upgradePath, false, false)
upgradedClientBz, err = clienttypes.MarshalClientState(suite.chainA.App.AppCodec(), upgradedClient)
suite.Require().NoError(err)

Expand Down Expand Up @@ -433,7 +438,7 @@ func (suite *TendermintTestSuite) TestVerifyUpgrade() {
path = ibctesting.NewPath(suite.chainA, suite.chainB)

suite.coordinator.SetupClients(path)
upgradedClient = types.NewClientState("newChainId", types.DefaultTrustLevel, trustingPeriod, ubdPeriod+trustingPeriod, maxClockDrift, newClientHeight, commitmenttypes.GetSDKSpecs(), upgradePath, false, false)
upgradedClient = types.NewClientState(newChainId, types.DefaultTrustLevel, trustingPeriod, ubdPeriod+trustingPeriod, maxClockDrift, newClientHeight, commitmenttypes.GetSDKSpecs(), upgradePath, false, false)
upgradedClient = upgradedClient.ZeroCustomFields()
upgradedClientBz, err = clienttypes.MarshalClientState(suite.chainA.App.AppCodec(), upgradedClient)
suite.Require().NoError(err)
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