cosmos-sdk/x/mint/querier.go
Alexander Bezobchuk b95ade93bd Merge PR #4011: Mint/Inflation Querier, LCD and CLI
* A few godoc updates

* More minor tweaks and reformatting

* Implement initial minting querier

* Implement stringer interface for minting params

* Minor cleanup

* Add minting CLI commands

* Implement inflation query command

* Implement annual provisions query and CLI command

* Update x/mint/client/module_client.go

Co-Authored-By: alexanderbez <alexanderbez@users.noreply.github.com>

* Update x/mint/client/module_client.go

Co-Authored-By: alexanderbez <alexanderbez@users.noreply.github.com>

* Update x/mint/client/module_client.go

Co-Authored-By: alexanderbez <alexanderbez@users.noreply.github.com>

* Update x/mint/querier.go

Co-Authored-By: alexanderbez <alexanderbez@users.noreply.github.com>

* Add minting REST client routes/handlers

* Fix build issues

* Implement querier unit tests

* Update gaiacli docs

* Implement LCD tests

* Update Swagger docs

* Add pending log entry

* add examples

Signed-off-by: Karoly Albert Szabo <szabo.karoly.a@gmail.com>

* revert adding examples

Signed-off-by: Karoly Albert Szabo <szabo.karoly.a@gmail.com>
2019-04-01 10:28:36 -07:00

69 lines
1.7 KiB
Go

package mint
import (
"fmt"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
abci "github.com/tendermint/tendermint/abci/types"
)
// Query endpoints supported by the minting querier
const (
QueryParameters = "parameters"
QueryInflation = "inflation"
QueryAnnualProvisions = "annual_provisions"
)
// 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 QueryParameters:
return queryParams(ctx, k)
case QueryInflation:
return queryInflation(ctx, k)
case 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
}