/
querier.go
62 lines (47 loc) · 1.76 KB
/
querier.go
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package keeper
import (
abci "github.com/tendermint/tendermint/abci/types"
"github.com/CosmosContracts/juno/v10/x/mint/types"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
)
// NewQuerier returns a minting Querier handler.
func NewQuerier(k Keeper, legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
return func(ctx sdk.Context, path []string, _ abci.RequestQuery) ([]byte, error) {
switch path[0] {
case types.QueryParameters:
return queryParams(ctx, k, legacyQuerierCdc)
case types.QueryInflation:
return queryInflation(ctx, k, legacyQuerierCdc)
case types.QueryAnnualProvisions:
return queryAnnualProvisions(ctx, k, legacyQuerierCdc)
default:
return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown query path: %s", path[0])
}
}
}
func queryParams(ctx sdk.Context, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
params := k.GetParams(ctx)
res, err := codec.MarshalJSONIndent(legacyQuerierCdc, params)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return res, nil
}
func queryInflation(ctx sdk.Context, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
minter := k.GetMinter(ctx)
res, err := codec.MarshalJSONIndent(legacyQuerierCdc, minter.Inflation)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return res, nil
}
func queryAnnualProvisions(ctx sdk.Context, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
minter := k.GetMinter(ctx)
res, err := codec.MarshalJSONIndent(legacyQuerierCdc, minter.AnnualProvisions)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return res, nil
}