69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
package mint
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import (
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"fmt"
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"github.com/cosmos/cosmos-sdk/codec"
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sdk "github.com/cosmos/cosmos-sdk/types"
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abci "github.com/tendermint/tendermint/abci/types"
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)
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// Query endpoints supported by the minting querier
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const (
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QueryParameters = "parameters"
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QueryInflation = "inflation"
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QueryAnnualProvisions = "annual_provisions"
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)
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// NewQuerier returns a minting Querier handler.
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func NewQuerier(k Keeper) sdk.Querier {
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return func(ctx sdk.Context, path []string, _ abci.RequestQuery) ([]byte, sdk.Error) {
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switch path[0] {
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case QueryParameters:
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return queryParams(ctx, k)
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case QueryInflation:
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return queryInflation(ctx, k)
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case QueryAnnualProvisions:
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return queryAnnualProvisions(ctx, k)
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default:
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return nil, sdk.ErrUnknownRequest(fmt.Sprintf("unknown minting query endpoint: %s", path[0]))
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}
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}
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}
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func queryParams(ctx sdk.Context, k Keeper) ([]byte, sdk.Error) {
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params := k.GetParams(ctx)
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res, err := codec.MarshalJSONIndent(k.cdc, params)
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if err != nil {
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return nil, sdk.ErrInternal(sdk.AppendMsgToErr("failed to marshal JSON", err.Error()))
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}
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return res, nil
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}
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func queryInflation(ctx sdk.Context, k Keeper) ([]byte, sdk.Error) {
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minter := k.GetMinter(ctx)
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res, err := codec.MarshalJSONIndent(k.cdc, minter.Inflation)
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if err != nil {
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return nil, sdk.ErrInternal(sdk.AppendMsgToErr("failed to marshal JSON", err.Error()))
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}
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return res, nil
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}
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func queryAnnualProvisions(ctx sdk.Context, k Keeper) ([]byte, sdk.Error) {
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minter := k.GetMinter(ctx)
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res, err := codec.MarshalJSONIndent(k.cdc, minter.AnnualProvisions)
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if err != nil {
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return nil, sdk.ErrInternal(sdk.AppendMsgToErr("failed to marshal JSON", err.Error()))
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}
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return res, nil
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}
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