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keeper.go
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keeper.go
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package keeper
import (
"github.com/cosmos/cosmos-sdk/codec"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
capabilitykeeper "github.com/cosmos/cosmos-sdk/x/capability/keeper"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
"github.com/cosmos/ibc-go/v6/modules/apps/transfer/keeper"
transfertypes "github.com/cosmos/ibc-go/v6/modules/apps/transfer/types"
porttypes "github.com/cosmos/ibc-go/v6/modules/core/05-port/types"
"github.com/cvn-network/cvn/v2/x/ibc/transfer/types"
)
// Keeper defines the modified IBC transfer keeper that embeds the original one.
// It also contains the bank keeper and the erc20 keeper to support ERC20 tokens
// to be sent via IBC.
type Keeper struct {
*keeper.Keeper
bankKeeper types.BankKeeper
erc20Keeper types.ERC20Keeper
accountKeeper types.AccountKeeper
}
// NewKeeper creates a new IBC transfer Keeper instance
func NewKeeper(
cdc codec.BinaryCodec,
storeKey storetypes.StoreKey,
paramSpace paramtypes.Subspace,
ics4Wrapper porttypes.ICS4Wrapper,
channelKeeper transfertypes.ChannelKeeper,
portKeeper transfertypes.PortKeeper,
accountKeeper types.AccountKeeper,
bankKeeper types.BankKeeper,
scopedKeeper capabilitykeeper.ScopedKeeper,
erc20Keeper types.ERC20Keeper,
) Keeper {
// create the original IBC transfer keeper for embedding
transferKeeper := keeper.NewKeeper(
cdc, storeKey, paramSpace,
ics4Wrapper, channelKeeper, portKeeper,
accountKeeper, bankKeeper, scopedKeeper,
)
return Keeper{
Keeper: &transferKeeper,
bankKeeper: bankKeeper,
erc20Keeper: erc20Keeper,
accountKeeper: accountKeeper,
}
}