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keeper.go
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keeper.go
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package keeper
import (
"fmt"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
"github.com/tendermint/tendermint/libs/log"
"github.com/gravity-devs/liquidity/x/liquidity/types"
)
// Keeper of the liquidity store
type Keeper struct {
cdc codec.BinaryCodec
storeKey sdk.StoreKey
bankKeeper types.BankKeeper
accountKeeper types.AccountKeeper
distrKeeper types.DistributionKeeper
paramSpace paramstypes.Subspace
}
// NewKeeper returns a liquidity keeper. It handles:
// - creating new ModuleAccounts for each pool ReserveAccount
// - sending to and from ModuleAccounts
// - minting, burning PoolCoins
func NewKeeper(cdc codec.BinaryCodec, key sdk.StoreKey, paramSpace paramstypes.Subspace, bankKeeper types.BankKeeper, accountKeeper types.AccountKeeper, distrKeeper types.DistributionKeeper) Keeper {
// ensure liquidity module account is set
if addr := accountKeeper.GetModuleAddress(types.ModuleName); addr == nil {
panic(fmt.Sprintf("%s module account has not been set", types.ModuleName))
}
// set KeyTable if it has not already been set
if !paramSpace.HasKeyTable() {
paramSpace = paramSpace.WithKeyTable(types.ParamKeyTable())
}
return Keeper{
storeKey: key,
bankKeeper: bankKeeper,
accountKeeper: accountKeeper,
distrKeeper: distrKeeper,
cdc: cdc,
paramSpace: paramSpace,
}
}
// Logger returns a module-specific logger.
func (k Keeper) Logger(ctx sdk.Context) log.Logger {
return ctx.Logger().With("module", types.ModuleName)
}
// GetParams gets the parameters for the liquidity module.
func (k Keeper) GetParams(ctx sdk.Context) (params types.Params) {
k.paramSpace.GetParamSet(ctx, ¶ms)
return params
}
// SetParams sets the parameters for the liquidity module.
func (k Keeper) SetParams(ctx sdk.Context, params types.Params) {
k.paramSpace.SetParamSet(ctx, ¶ms)
}
// GetCircuitBreakerEnabled returns circuit breaker enabled param from the paramspace.
func (k Keeper) GetCircuitBreakerEnabled(ctx sdk.Context) (enabled bool) {
k.paramSpace.Get(ctx, types.KeyCircuitBreakerEnabled, &enabled)
return
}