feat: channel-v2 genesis #7933
feat: channel-v2 genesis #7933
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aljo242
requested review from
AdityaSripal,
gjermundgaraba and
srdtrk
as code owners
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| // TestInitExportGenesis tests the import and export flow for the channel v2 keeper. | ||
| func (suite *KeeperTestSuite) TestInitExportGenesis() { |
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This testing setup is what I feel the least confident about. There was not a previous testing setup in the v1 module for genesis, so this is what I rolled with.
The intricacy is that the ibctesting suite already has initialized genesis for things like the client keeper and some actions have led to state existing. So for creating a valid genesis that will be exported properly, we have to use existing state to set it
| @@ -25,4 +25,6 @@ type ClientKeeper interface { | |||
| GetClientConsensusState(ctx context.Context, clientID string, height exported.Height) (exported.ConsensusState, bool) | |||
| // GetClientCounterparty returns the counterpartyInfo given a clientID | |||
| GetClientCounterparty(ctx context.Context, clientID string) (clienttypes.CounterpartyInfo, bool) | |||
| // GetAllGenesisClients returns all the clients in state with their client ids returned as IdentifiedClientState | |||
| GetAllGenesisClients(ctx context.Context) clienttypes.IdentifiedClientStates | |||
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Needed for export genesis
| @@ -6,22 +6,28 @@ import ( | |||
| sdk "github.com/cosmos/cosmos-sdk/types" | |||
| ) | |||
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| const ( | |||
| PacketCommitmentBasePrefix = byte(1) | |||
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Done for clarity - can be reverted
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After checking this more carefully, I believe it needs some changes to work the same way as v1.
If you look at how genesis and the whole module is set up in v1, it is all done through the core IBC module. So InitGenesis and all of that is called from there. This is also where it is tested in v1.
| var commitments []types.PacketState | ||
| for ; iterator.Valid(); iterator.Next() { | ||
| sequenceBz := bytes.TrimPrefix(iterator.Key(), storePrefix) | ||
| sequence := sdk.BigEndianToUint64(sequenceBz) |
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What happens if this byte slice is more than 64 bytes? Should never happen but perhaps we should add a defensive check
| path := ibctesting.NewPath(suite.chainA, suite.chainB) | ||
| path.SetupV2() |
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Set up a couple paths here so we have more than 1 client
Description
Wire up the genesis for the
channel/v2moduleCreate keeper functions for getting all of the state per Client ID
Keeper-level testing
closes: #7922
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