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forked from cosmos/cosmos-sdk
/
querier.go
63 lines (47 loc) · 1.58 KB
/
querier.go
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package keeper
import (
"fmt"
abci "github.com/evdatsion/tendermint/abci/types"
"github.com/evdatsion/cosmos-sdk/codec"
sdk "github.com/evdatsion/cosmos-sdk/types"
"github.com/evdatsion/cosmos-sdk/x/mint/internal/types"
)
// NewQuerier returns a minting Querier handler.
func NewQuerier(k Keeper) sdk.Querier {
return func(ctx sdk.Context, path []string, _ abci.RequestQuery) ([]byte, sdk.Error) {
switch path[0] {
case types.QueryParameters:
return queryParams(ctx, k)
case types.QueryInflation:
return queryInflation(ctx, k)
case types.QueryAnnualProvisions:
return queryAnnualProvisions(ctx, k)
default:
return nil, sdk.ErrUnknownRequest(fmt.Sprintf("unknown minting query endpoint: %s", path[0]))
}
}
}
func queryParams(ctx sdk.Context, k Keeper) ([]byte, sdk.Error) {
params := k.GetParams(ctx)
res, err := codec.MarshalJSONIndent(k.cdc, params)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("failed to marshal JSON", err.Error()))
}
return res, nil
}
func queryInflation(ctx sdk.Context, k Keeper) ([]byte, sdk.Error) {
minter := k.GetMinter(ctx)
res, err := codec.MarshalJSONIndent(k.cdc, minter.Inflation)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("failed to marshal JSON", err.Error()))
}
return res, nil
}
func queryAnnualProvisions(ctx sdk.Context, k Keeper) ([]byte, sdk.Error) {
minter := k.GetMinter(ctx)
res, err := codec.MarshalJSONIndent(k.cdc, minter.AnnualProvisions)
if err != nil {
return nil, sdk.ErrInternal(sdk.AppendMsgToErr("failed to marshal JSON", err.Error()))
}
return res, nil
}