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consumer_client.go
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consumer_client.go
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package keeper
import (
"time"
sdkerrors "cosmossdk.io/errors"
"github.com/cometbft/cometbft/light"
sdk "github.com/cosmos/cosmos-sdk/types"
clienttypes "github.com/cosmos/ibc-go/v7/modules/core/02-client/types"
committypes "github.com/cosmos/ibc-go/v7/modules/core/23-commitment/types"
ibctmtypes "github.com/cosmos/ibc-go/v7/modules/light-clients/07-tendermint"
"github.com/tendermint/spn/pkg/chainid"
"github.com/tendermint/spn/x/monitoringp/types"
)
// InitializeConsumerClient initializes the consumer IBC client and set it in the store
func (k Keeper) InitializeConsumerClient(ctx sdk.Context) (string, error) {
// initialize the client state
clientState, err := k.initializeClientState(ctx, k.ConsumerChainID(ctx))
if err != nil {
return "", sdkerrors.Wrap(types.ErrInvalidClientState, err.Error())
}
if err := clientState.Validate(); err != nil {
return "", sdkerrors.Wrap(types.ErrInvalidClientState, err.Error())
}
// get consensus state from param
tmConsensusState, err := k.ConsumerConsensusState(ctx).ToTendermintConsensusState()
if err != nil {
return "", sdkerrors.Wrap(types.ErrInvalidConsensusState, err.Error())
}
// create IBC client for consumer
clientID, err := k.clientKeeper.CreateClient(ctx, clientState, &tmConsensusState)
if err != nil {
return "", sdkerrors.Wrap(types.ErrClientCreationFailure, err.Error())
}
// register the IBC client
k.SetConsumerClientID(ctx, types.ConsumerClientID{
ClientID: clientID,
})
return clientID, nil
}
// initializeClientState initializes the client state provided for the IBC client
func (k Keeper) initializeClientState(ctx sdk.Context, chainID string) (*ibctmtypes.ClientState, error) {
_, revisionNumber, err := chainid.ParseGenesisChainID(chainID)
if err != nil {
return nil, err
}
unbondingPeriod := k.ConsumerUnbondingPeriod(ctx)
revisionHeight := k.ConsumerRevisionHeight(ctx)
return ibctmtypes.NewClientState(
chainID,
ibctmtypes.NewFractionFromTm(light.DefaultTrustLevel),
time.Second*time.Duration(unbondingPeriod)-1,
time.Second*time.Duration(unbondingPeriod),
time.Minute*10,
clienttypes.NewHeight(revisionNumber, revisionHeight),
committypes.GetSDKSpecs(),
[]string{"upgrade", "upgradedIBCState"},
), nil
}