/
keeper.go
83 lines (66 loc) · 2.1 KB
/
keeper.go
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package keeper
import (
"fmt"
"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/tendermint/tendermint/libs/log"
"github.com/scorum/cosmos-network/x/scorum/types"
)
var (
withdrawalPrefix = []byte("withdrawal_owner")
withdrawalTimeIdxPrefix = []byte("withdrawal_time")
)
type (
Keeper struct {
cdc codec.BinaryCodec
storeKey storetypes.StoreKey
paramstore paramtypes.Subspace
bankKeeper types.BankKeeper
accountKeeper types.AccountKeeper
feeCollectorName string
}
)
func NewKeeper(
cdc codec.BinaryCodec,
storeKey storetypes.StoreKey,
ps paramtypes.Subspace,
accountKeeper types.AccountKeeper,
bankKeeper types.BankKeeper,
feeCollectorName string,
) Keeper {
// 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,
bankKeeper: bankKeeper,
accountKeeper: accountKeeper,
feeCollectorName: feeCollectorName,
}
}
func (k Keeper) Logger(ctx sdk.Context) log.Logger {
return ctx.Logger().With("module", fmt.Sprintf("x/%s", types.ModuleName))
}
func (k Keeper) Mint(ctx sdk.Context, addr sdk.AccAddress, coin sdk.Coin) error {
if err := k.bankKeeper.MintCoins(ctx, types.ModuleName, sdk.NewCoins(coin)); err != nil {
return fmt.Errorf("failed to mint: %w", err)
}
if err := k.bankKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, addr, sdk.NewCoins(coin)); err != nil {
return fmt.Errorf("failed to send minted coins: %w", err)
}
return nil
}
func (k Keeper) Burn(ctx sdk.Context, addr sdk.AccAddress, coin sdk.Coin) error {
if err := k.bankKeeper.SendCoinsFromAccountToModule(ctx, addr, types.ModuleName, sdk.NewCoins(coin)); err != nil {
return fmt.Errorf("failed to send coins to burn: %w", err)
}
if err := k.bankKeeper.BurnCoins(ctx, types.ModuleName, sdk.NewCoins(coin)); err != nil {
return fmt.Errorf("failed to burn coins: %w", err)
}
return nil
}