/
keeper.go
65 lines (55 loc) · 1.72 KB
/
keeper.go
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package keeper
import (
"fmt"
"github.com/tendermint/tendermint/libs/log"
"github.com/cosmos/cosmos-sdk/codec"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
sdk "github.com/cosmos/cosmos-sdk/types"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
"github.com/sge-network/sge/consts"
"github.com/sge-network/sge/x/mint/types"
)
// Keeper is the type for module properties
type Keeper struct {
cdc codec.BinaryCodec
storeKey storetypes.StoreKey
paramstore paramtypes.Subspace
stakingKeeper types.StakingKeeper
bankKeeper types.BankKeeper
feeCollectorName string
}
// ExpectedKeepers contains expected keepers parameter needed by NewKeeper
type ExpectedKeepers struct {
StakingKeeper types.StakingKeeper
BankKeeper types.BankKeeper
}
// NewKeeper creates new keeper object
func NewKeeper(
cdc codec.BinaryCodec,
storeKey storetypes.StoreKey,
ps paramtypes.Subspace,
ak types.AccountKeeper,
expectedKeepers ExpectedKeepers,
feeCollectorName string,
) *Keeper {
// ensure mint module account is set
if addr := ak.GetModuleAddress(types.ModuleName); addr == nil {
panic(fmt.Sprintf(consts.ErrModuleAccountHasNotBeenSet, types.ModuleName))
}
// set KeyTable if it has not already been set
if !ps.HasKeyTable() {
ps = ps.WithKeyTable(types.ParamKeyTable())
}
return &Keeper{
cdc: cdc,
storeKey: storeKey,
paramstore: ps,
stakingKeeper: expectedKeepers.StakingKeeper,
bankKeeper: expectedKeepers.BankKeeper,
feeCollectorName: feeCollectorName,
}
}
// Logger returns the logger of the keeper
func (Keeper) Logger(ctx sdk.Context) log.Logger {
return ctx.Logger().With("module", fmt.Sprintf("x/%s", types.ModuleName))
}