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migrations.go
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migrations.go
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package keeper
import (
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"
"github.com/cosmos/ibc-go/v5/modules/core/23-commitment/types"
host "github.com/cosmos/ibc-go/v5/modules/core/24-host"
)
// Migrator is a struct for handling in-place store migrations.
type Migrator struct {
keeper *Keeper
}
// NewMigrator returns a new Migrator.
func NewMigrator(keeper *Keeper) Migrator {
return Migrator{keeper: keeper}
}
// AssertChannelCapabilityMigrations checks that all channel capabilities generated using the interchain accounts controller port prefix
// are owned by the controller submodule and ibc.
func (m Migrator) AssertChannelCapabilityMigrations(ctx sdk.Context) error {
if m.keeper != nil {
for _, ch := range m.keeper.GetAllActiveChannels(ctx) {
name := host.ChannelCapabilityPath(ch.PortId, ch.ChannelId)
cap, found := m.keeper.scopedKeeper.GetCapability(ctx, name)
if !found {
return sdkerrors.Wrapf(capabilitytypes.ErrCapabilityNotFound, "failed to find capability: %s", name)
}
isAuthenticated := m.keeper.scopedKeeper.AuthenticateCapability(ctx, cap, name)
if !isAuthenticated {
return sdkerrors.Wrapf(capabilitytypes.ErrCapabilityNotOwned, "expected capability owner: %s", types.SubModuleName)
}
m.keeper.SetMiddlewareEnabled(ctx, ch.PortId, ch.ChannelId)
}
}
return nil
}