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feat!: introduce epochs #1660

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merged 41 commits into from
Mar 7, 2024
Merged

feat!: introduce epochs #1660

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01daa3c
cleanup ./changelog entries
mpoke Jan 11, 2024
1ab7c20
rebase
insumity Feb 23, 2024
efe8cb1
fix!: Validation of SlashAcks fails due to marshaling to Bech32 (bac…
mergify[bot] Jan 19, 2024
a5c1d4e
docs: update changelog for v4.0.0 (#1578)
mpoke Jan 22, 2024
c03587c
docs: prepare for v4.0.0 (#1581)
mpoke Jan 22, 2024
6c39a2f
added proto declaration
insumity Feb 21, 2024
ddae681
temp commit
insumity Feb 21, 2024
c9b1b3e
temp commit
insumity Feb 21, 2024
e0861e2
more changes
insumity Feb 21, 2024
d6cd207
first commit
insumity Feb 22, 2024
d144c39
add param and fix tests
insumity Feb 23, 2024
44d13cd
reduce epoch size for e2e
insumity Feb 23, 2024
076ec8b
clean up
insumity Feb 23, 2024
a56b6e0
mbt fix
insumity Feb 23, 2024
36afb40
fix diff bug
insumity Feb 26, 2024
481fd88
cleaning up
insumity Feb 26, 2024
35385dd
cleaning up
insumity Feb 26, 2024
27290f6
cleaning up
insumity Feb 26, 2024
c707c54
cleaning up
insumity Feb 26, 2024
cf8bdb8
cleaning up
insumity Feb 27, 2024
ead0873
cleaning up
insumity Feb 27, 2024
88081cd
added more tests
insumity Feb 27, 2024
f6397ad
more fixes
insumity Feb 27, 2024
bee8c10
nit fixes
insumity Feb 27, 2024
abb4abc
cleaning up
insumity Feb 27, 2024
30f2061
increase downtime by one block
insumity Feb 28, 2024
e986692
fix logs
insumity Feb 28, 2024
8aa1dc9
took into account Marius' comments
insumity Feb 28, 2024
16958bc
tiny fixes
insumity Feb 28, 2024
513a75d
Update x/ccv/provider/keeper/params.go
insumity Feb 29, 2024
2208cd4
use Bech32 addresses as keys for maps
insumity Feb 29, 2024
914840c
refactor nextBlocks(epoch) to nextEpoch
insumity Mar 1, 2024
791e582
fixed comment
insumity Mar 1, 2024
85a52b7
Remove new block creation during consumer chain setup
p-offtermatt Mar 4, 2024
f909e1a
Revert "Remove new block creation during consumer chain setup"
p-offtermatt Mar 4, 2024
d683b5a
added simple param test
insumity Mar 4, 2024
44b9eb1
added upper bound and addressed a comment
insumity Mar 4, 2024
538eee3
Add another edge case for diffing
p-offtermatt Mar 6, 2024
294aacb
used smarted solution (based on Philip's comment) for diffing validators
insumity Mar 6, 2024
31b7416
refactor!: remove key-assignment replacements (#1672)
insumity Mar 7, 2024
ba2ed34
add the epoch param in the docs
insumity Mar 7, 2024
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14 changes: 14 additions & 0 deletions proto/interchain_security/ccv/provider/v1/provider.proto
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Original file line number Diff line number Diff line change
Expand Up @@ -188,6 +188,9 @@ message Params {
// The fee required to be paid to add a reward denom
cosmos.base.v1beta1.Coin consumer_reward_denom_registration_fee = 9
[ (gogoproto.nullable) = false ];

// The number of blocks that comprise an epoch.
int64 blocks_per_epoch = 10;
}

// SlashAcks contains cons addresses of consumer chain validators
Expand Down Expand Up @@ -295,3 +298,14 @@ message ConsumerAddrsToPrune {
uint64 vsc_id = 2;
AddressList consumer_addrs = 3;
}

// ConsumerValidator is used to facilitate epoch-based transitions. It contains relevant info for
// a validator that is expected to validate on a consumer chain during an epoch.
message ConsumerValidator {
// validator's consensus address on the provider chain
bytes provider_cons_addr = 1;
// voting power the validator has during this epoch
int64 power = 2;
// public key the validator uses on the consumer chain during this epoch
tendermint.crypto.PublicKey consumer_public_key = 3;
}
14 changes: 13 additions & 1 deletion tests/e2e/actions.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1307,6 +1307,12 @@ func (tr TestConfig) relayPacketsGorelayer(
target ExecutionTarget,
verbose bool,
) {
// Because `.app_state.provider.params.blocks_per_epoch` is set to 3 in the E2E tests, we wait 3 blocks
// before relaying the packets to guarantee that at least one epoch passes and hence any `VSCPacket`s get
// queued and are subsequently relayed.
tr.waitBlocks(action.ChainA, 3, 90*time.Second)
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Later calls to waitBlocks for 1 block have a timeout of 30 seconds, so for 3 blocks I'm adding a 90 seconds time out here.

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Why do we have to wait for 3 blocks when the epoch param is set to 2 blocks?

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Good catch. Changed blocks_per_epoch to 3.

tr.waitBlocks(action.ChainB, 3, 90*time.Second)

pathName := tr.GetPathNameForGorelayer(action.ChainA, action.ChainB)

// rly transact relay-packets [path-name] --channel [channel-id]
Expand All @@ -1331,6 +1337,12 @@ func (tr TestConfig) relayPacketsHermes(
target ExecutionTarget,
verbose bool,
) {
// Because `.app_state.provider.params.blocks_per_epoch` is set to 3 in the E2E tests, we wait 3 blocks
// before relaying the packets to guarantee that at least one epoch passes and hence any `VSCPacket`s get
// queued and are subsequently relayed.
tr.waitBlocks(action.ChainA, 3, 90*time.Second)
tr.waitBlocks(action.ChainB, 3, 90*time.Second)

// hermes clear packets ibc0 transfer channel-13
cmd := target.ExecCommand("hermes", "clear", "packets",
"--chain", string(tr.chainConfigs[action.ChainA].ChainId),
Expand Down Expand Up @@ -1639,7 +1651,7 @@ func (tr TestConfig) invokeDowntimeSlash(action DowntimeSlashAction, target Exec
// Bring validator down
tr.setValidatorDowntime(action.Chain, action.Validator, true, target, verbose)
// Wait appropriate amount of blocks for validator to be slashed
tr.waitBlocks(action.Chain, 10, 3*time.Minute)
tr.waitBlocks(action.Chain, 11, 3*time.Minute)
// Bring validator back up
tr.setValidatorDowntime(action.Chain, action.Validator, false, target, verbose)
}
Expand Down
33 changes: 20 additions & 13 deletions tests/e2e/config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -240,7 +240,8 @@ func SlashThrottleTestConfig() TestConfig {
".app_state.slashing.params.downtime_jail_duration = \"60s\" | " +
".app_state.slashing.params.slash_fraction_downtime = \"0.010000000000000000\" | " +
".app_state.provider.params.slash_meter_replenish_fraction = \"0.10\" | " +
".app_state.provider.params.slash_meter_replenish_period = \"20s\"",
".app_state.provider.params.slash_meter_replenish_period = \"20s\" | " +
".app_state.provider.params.blocks_per_epoch = 3",
},
ChainID("consu"): {
ChainId: ChainID("consu"),
Expand All @@ -249,7 +250,7 @@ func SlashThrottleTestConfig() TestConfig {
IpPrefix: "7.7.8",
VotingWaitTime: 20,
GenesisChanges: ".app_state.gov.params.voting_period = \"20s\" | " +
".app_state.slashing.params.signed_blocks_window = \"15\" | " +
".app_state.slashing.params.signed_blocks_window = \"20\" | " +
".app_state.slashing.params.min_signed_per_window = \"0.500000000000000000\" | " +
".app_state.slashing.params.downtime_jail_duration = \"60s\" | " +
".app_state.slashing.params.slash_fraction_downtime = \"0.010000000000000000\" | " +
Expand Down Expand Up @@ -288,7 +289,8 @@ func DefaultTestConfig() TestConfig {
".app_state.slashing.params.downtime_jail_duration = \"60s\" | " +
".app_state.slashing.params.slash_fraction_downtime = \"0.010000000000000000\" | " +
".app_state.provider.params.slash_meter_replenish_fraction = \"1.0\" | " + // This disables slash packet throttling
".app_state.provider.params.slash_meter_replenish_period = \"3s\"",
".app_state.provider.params.slash_meter_replenish_period = \"3s\" | " +
".app_state.provider.params.blocks_per_epoch = 3",
},
ChainID("consu"): {
ChainId: ChainID("consu"),
Expand All @@ -297,7 +299,7 @@ func DefaultTestConfig() TestConfig {
IpPrefix: "7.7.8",
VotingWaitTime: 20,
GenesisChanges: ".app_state.gov.params.voting_period = \"20s\" | " +
".app_state.slashing.params.signed_blocks_window = \"15\" | " +
".app_state.slashing.params.signed_blocks_window = \"20\" | " +
".app_state.slashing.params.min_signed_per_window = \"0.500000000000000000\" | " +
".app_state.slashing.params.downtime_jail_duration = \"60s\" | " +
".app_state.slashing.params.slash_fraction_downtime = \"0.010000000000000000\"",
Expand All @@ -317,7 +319,8 @@ func DemocracyTestConfig(allowReward bool) TestConfig {
".app_state.slashing.params.min_signed_per_window = \"0.500000000000000000\" | " +
".app_state.slashing.params.downtime_jail_duration = \"60s\" | " +
".app_state.slashing.params.slash_fraction_downtime = \"0.010000000000000000\" | " +
".app_state.transfer.params.send_enabled = false"
".app_state.transfer.params.send_enabled = false | " +
".app_state.provider.params.blocks_per_epoch = 3"

if allowReward {
// This allows the consumer chain to send rewards in the stake denom
Expand Down Expand Up @@ -347,7 +350,8 @@ func DemocracyTestConfig(allowReward bool) TestConfig {
".app_state.slashing.params.min_signed_per_window = \"0.500000000000000000\" | " +
".app_state.slashing.params.downtime_jail_duration = \"60s\" | " +
".app_state.slashing.params.slash_fraction_downtime = \"0.010000000000000000\" | " +
".app_state.provider.params.slash_meter_replenish_fraction = \"1.0\"", // This disables slash packet throttling
".app_state.provider.params.slash_meter_replenish_fraction = \"1.0\" | " + // This disables slash packet throttling
".app_state.provider.params.blocks_per_epoch = 3",
},
ChainID("democ"): {
ChainId: ChainID("democ"),
Expand Down Expand Up @@ -389,7 +393,8 @@ func MultiConsumerTestConfig() TestConfig {
".app_state.slashing.params.min_signed_per_window = \"0.500000000000000000\" | " +
".app_state.slashing.params.downtime_jail_duration = \"60s\" | " +
".app_state.slashing.params.slash_fraction_downtime = \"0.010000000000000000\" | " +
".app_state.provider.params.slash_meter_replenish_fraction = \"1.0\"", // This disables slash packet throttling
".app_state.provider.params.slash_meter_replenish_fraction = \"1.0\" | " + // This disables slash packet throttling
".app_state.provider.params.blocks_per_epoch = 3",
},
ChainID("consu"): {
ChainId: ChainID("consu"),
Expand All @@ -398,7 +403,7 @@ func MultiConsumerTestConfig() TestConfig {
IpPrefix: "7.7.8",
VotingWaitTime: 20,
GenesisChanges: ".app_state.gov.params.voting_period = \"20s\" | " +
".app_state.slashing.params.signed_blocks_window = \"10\" | " +
".app_state.slashing.params.signed_blocks_window = \"20\" | " +
".app_state.slashing.params.min_signed_per_window = \"0.500000000000000000\" | " +
".app_state.slashing.params.downtime_jail_duration = \"60s\" | " +
".app_state.slashing.params.slash_fraction_downtime = \"0.010000000000000000\"",
Expand All @@ -410,7 +415,7 @@ func MultiConsumerTestConfig() TestConfig {
IpPrefix: "7.7.9",
VotingWaitTime: 20,
GenesisChanges: ".app_state.gov.params.voting_period = \"20s\" | " +
".app_state.slashing.params.signed_blocks_window = \"10\" | " +
".app_state.slashing.params.signed_blocks_window = \"20\" | " +
".app_state.slashing.params.min_signed_per_window = \"0.500000000000000000\" | " +
".app_state.slashing.params.downtime_jail_duration = \"60s\" | " +
".app_state.slashing.params.slash_fraction_downtime = \"0.010000000000000000\"",
Expand Down Expand Up @@ -448,7 +453,8 @@ func ChangeoverTestConfig() TestConfig {
".app_state.slashing.params.downtime_jail_duration = \"60s\" | " +
".app_state.slashing.params.slash_fraction_downtime = \"0.010000000000000000\" | " +
".app_state.provider.params.slash_meter_replenish_fraction = \"1.0\" | " + // This disables slash packet throttling
".app_state.provider.params.slash_meter_replenish_period = \"3s\"",
".app_state.provider.params.slash_meter_replenish_period = \"3s\" | " +
".app_state.provider.params.blocks_per_epoch = 3",
},
ChainID("sover"): {
ChainId: ChainID("sover"),
Expand All @@ -458,7 +464,7 @@ func ChangeoverTestConfig() TestConfig {
IpPrefix: "7.7.8",
VotingWaitTime: 20,
GenesisChanges: ".app_state.gov.params.voting_period = \"20s\" | " +
".app_state.slashing.params.signed_blocks_window = \"15\" | " +
".app_state.slashing.params.signed_blocks_window = \"20\" | " +
".app_state.slashing.params.min_signed_per_window = \"0.500000000000000000\" | " +
".app_state.slashing.params.downtime_jail_duration = \"60s\" | " +
".app_state.slashing.params.slash_fraction_downtime = \"0.010000000000000000\" | " +
Expand Down Expand Up @@ -548,7 +554,8 @@ func ConsumerMisbehaviourTestConfig() TestConfig {
".app_state.slashing.params.downtime_jail_duration = \"60s\" | " +
".app_state.slashing.params.slash_fraction_downtime = \"0.010000000000000000\" | " +
".app_state.provider.params.slash_meter_replenish_fraction = \"1.0\" | " + // This disables slash packet throttling
".app_state.provider.params.slash_meter_replenish_period = \"3s\"",
".app_state.provider.params.slash_meter_replenish_period = \"3s\" | " +
".app_state.provider.params.blocks_per_epoch = 3",
},
ChainID("consu"): {
ChainId: ChainID("consu"),
Expand All @@ -557,7 +564,7 @@ func ConsumerMisbehaviourTestConfig() TestConfig {
IpPrefix: "7.7.8",
VotingWaitTime: 20,
GenesisChanges: ".app_state.gov.params.voting_period = \"20s\" | " +
".app_state.slashing.params.signed_blocks_window = \"15\" | " +
".app_state.slashing.params.signed_blocks_window = \"20\" | " +
".app_state.slashing.params.min_signed_per_window = \"0.500000000000000000\" | " +
".app_state.slashing.params.downtime_jail_duration = \"60s\" | " +
".app_state.slashing.params.slash_fraction_downtime = \"0.010000000000000000\"",
Expand Down
11 changes: 10 additions & 1 deletion tests/integration/common.go
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Original file line number Diff line number Diff line change
Expand Up @@ -127,7 +127,7 @@ func delegateAndRedelegate(s *CCVTestSuite, delAddr sdk.AccAddress,
srcValTokensAfter := s.getVal(s.providerCtx(), srcValAddr).GetBondedTokens()
s.Require().Equal(srcValTokensAfter.Sub(srcValTokensBefore), amount)

s.providerChain.NextBlock()
s.nextEpoch()

dstValTokensBefore := s.getVal(s.providerCtx(), dstValAddr).GetBondedTokens()

Expand Down Expand Up @@ -625,3 +625,12 @@ func (s *CCVTestSuite) mustGetStakingValFromTmVal(tmVal tmtypes.Validator) (stak
s.Require().True(found)
return stakingVal
}

// nextEpoch moves `chain` forward by an epoch
func (s *CCVTestSuite) nextEpoch() {
blocksPerEpoch := s.providerApp.GetProviderKeeper().GetParams(s.providerCtx()).BlocksPerEpoch

for i := int64(0); i < blocksPerEpoch; i++ {
s.providerChain.NextBlock()
}
}
6 changes: 3 additions & 3 deletions tests/integration/distribution.go
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Expand Up @@ -23,7 +23,7 @@ func (s *CCVTestSuite) TestRewardsDistribution() {
bondAmt := sdk.NewInt(10000000)
delAddr := s.providerChain.SenderAccount.GetAddress()
delegate(s, delAddr, bondAmt)
s.providerChain.NextBlock()
s.nextEpoch()

// register a consumer reward denom
params := s.consumerApp.GetConsumerKeeper().GetConsumerParams(s.consumerCtx())
Expand Down Expand Up @@ -124,7 +124,7 @@ func (s *CCVTestSuite) TestSendRewardsRetries() {
bondAmt := sdk.NewInt(10000000)
delAddr := s.providerChain.SenderAccount.GetAddress()
delegate(s, delAddr, bondAmt)
s.providerChain.NextBlock()
s.nextEpoch()

// Register denom on consumer chain
params := s.consumerApp.GetConsumerKeeper().GetConsumerParams(s.consumerCtx())
Expand Down Expand Up @@ -253,7 +253,7 @@ func (s *CCVTestSuite) TestEndBlockRD() {
bondAmt := sdk.NewInt(10000000)
delAddr := s.providerChain.SenderAccount.GetAddress()
delegate(s, delAddr, bondAmt)
s.providerChain.NextBlock()
s.nextEpoch()

if tc.denomRegistered {
params := s.consumerApp.GetConsumerKeeper().GetConsumerParams(s.consumerCtx())
Expand Down
16 changes: 8 additions & 8 deletions tests/integration/expired_client.go
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Original file line number Diff line number Diff line change
Expand Up @@ -33,15 +33,15 @@ func (s *CCVTestSuite) TestVSCPacketSendExpiredClient() {
delegate(s, delAddr, bondAmt)

// try to send CCV packet to consumer
s.providerChain.NextBlock()
s.nextEpoch()

// check that the packet was added to the list of pending VSC packets
packets := providerKeeper.GetPendingVSCPackets(s.providerCtx(), s.consumerChain.ChainID)
s.Require().NotEmpty(packets, "no pending VSC packets found")
s.Require().Equal(1, len(packets), "unexpected number of pending VSC packets")

// try again to send CCV packet to consumer
s.providerChain.NextBlock()
s.nextEpoch()

// check that the packet is still in the list of pending VSC packets
packets = providerKeeper.GetPendingVSCPackets(s.providerCtx(), s.consumerChain.ChainID)
Expand All @@ -52,7 +52,7 @@ func (s *CCVTestSuite) TestVSCPacketSendExpiredClient() {
delegate(s, delAddr, bondAmt)

// try again to send CCV packets to consumer
s.providerChain.NextBlock()
s.nextEpoch()

// check that the packets are still in the list of pending VSC packets
packets = providerKeeper.GetPendingVSCPackets(s.providerCtx(), s.consumerChain.ChainID)
Expand All @@ -62,8 +62,8 @@ func (s *CCVTestSuite) TestVSCPacketSendExpiredClient() {
// upgrade expired client to the consumer
upgradeExpiredClient(s, Consumer)

// go to next block
s.providerChain.NextBlock()
// go to next epoch
s.nextEpoch()

// check that the packets are not in the list of pending VSC packets
packets = providerKeeper.GetPendingVSCPackets(s.providerCtx(), s.consumerChain.ChainID)
Expand All @@ -73,7 +73,7 @@ func (s *CCVTestSuite) TestVSCPacketSendExpiredClient() {
// - bond more tokens on provider to change validator powers
delegate(s, delAddr, bondAmt)
// - send CCV packet to consumer
s.providerChain.NextBlock()
s.nextEpoch()
// - relay all VSC packet from provider to consumer
relayAllCommittedPackets(s, s.providerChain, s.path, ccv.ProviderPortID, s.path.EndpointB.ChannelID, 3)
// - increment time so that the unbonding period ends on the consumer
Expand Down Expand Up @@ -102,7 +102,7 @@ func (s *CCVTestSuite) TestConsumerPacketSendExpiredClient() {
delegate(s, delAddr, bondAmt)

// send CCV packets to consumer
s.providerChain.NextBlock()
s.nextEpoch()

// check that the packets are not in the list of pending VSC packets
providerPackets := providerKeeper.GetPendingVSCPackets(s.providerCtx(), s.consumerChain.ChainID)
Expand Down Expand Up @@ -172,7 +172,7 @@ func (s *CCVTestSuite) TestConsumerPacketSendExpiredClient() {
// - bond more tokens on provider to change validator powers
delegate(s, delAddr, bondAmt)
// - send CCV packet to consumer
s.providerChain.NextBlock()
s.nextEpoch()
// - relay 1 VSC packet from provider to consumer
relayAllCommittedPackets(s, s.providerChain, s.path, ccv.ProviderPortID, s.path.EndpointB.ChannelID, 1)
// - increment time so that the unbonding period ends on the provider
Expand Down
18 changes: 9 additions & 9 deletions tests/integration/key_assignment.go
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ func (s *CCVTestSuite) TestKeyAssignment() {
}

// check that a VSCPacket is queued
s.providerChain.NextBlock()
s.nextEpoch()
pendingPackets := pk.GetPendingVSCPackets(s.providerCtx(), s.consumerChain.ChainID)
s.Require().Len(pendingPackets, 1)

Expand All @@ -51,7 +51,7 @@ func (s *CCVTestSuite) TestKeyAssignment() {
if err != nil {
return err
}
s.providerChain.NextBlock()
s.nextEpoch()

return nil
}, false, 2,
Expand All @@ -73,7 +73,7 @@ func (s *CCVTestSuite) TestKeyAssignment() {
delAddr := s.providerChain.SenderAccount.GetAddress()
delegate(s, delAddr, bondAmt)

s.providerChain.NextBlock()
s.nextEpoch()

return nil
}, false, 2,
Expand All @@ -95,7 +95,7 @@ func (s *CCVTestSuite) TestKeyAssignment() {
if err != nil {
return err
}
s.providerChain.NextBlock()
s.nextEpoch()

return nil
}, true, 2,
Expand All @@ -118,7 +118,7 @@ func (s *CCVTestSuite) TestKeyAssignment() {
if err != nil {
return err
}
s.providerChain.NextBlock()
s.nextEpoch()

return nil
}, false, 2,
Expand All @@ -134,14 +134,14 @@ func (s *CCVTestSuite) TestKeyAssignment() {
if err != nil {
return err
}
s.providerChain.NextBlock()
s.nextEpoch()

// same key assignment
err = pk.AssignConsumerKey(s.providerCtx(), s.consumerChain.ChainID, validator, consumerKey)
if err != nil {
return err
}
s.providerChain.NextBlock()
s.nextEpoch()

return nil
}, true, 2,
Expand All @@ -157,15 +157,15 @@ func (s *CCVTestSuite) TestKeyAssignment() {
if err != nil {
return err
}
s.providerChain.NextBlock()
s.nextEpoch()

// same key assignment
validator, consumerKey = generateNewConsumerKey(s, 0)
err = pk.AssignConsumerKey(s.providerCtx(), s.consumerChain.ChainID, validator, consumerKey)
if err != nil {
return err
}
s.providerChain.NextBlock()
s.nextEpoch()

return nil
}, false, 3,
Expand Down
6 changes: 6 additions & 0 deletions tests/integration/setup.go
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Original file line number Diff line number Diff line change
Expand Up @@ -129,6 +129,12 @@ func (suite *CCVTestSuite) SetupTest() {
suite.registerPacketSniffer(suite.providerChain)
providerKeeper := suite.providerApp.GetProviderKeeper()

// set `BlocksPerEpoch` to 10: a reasonable small value greater than 1 that prevents waiting for too
// many blocks and slowing down the integration tests
params := providerKeeper.GetParams(suite.providerCtx())
params.BlocksPerEpoch = 10
providerKeeper.SetParams(suite.providerCtx(), params)

// re-assign all validator keys for the first consumer chain
providerKeeper.SetPendingConsumerAdditionProp(suite.providerCtx(), &types.ConsumerAdditionProposal{
ChainId: icstestingutils.FirstConsumerChainID,
Expand Down
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