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querier.go
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/
querier.go
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// Copyright (c) 2016-2021 Shanghai Bianjie AI Technology Inc. (licensed under the Apache License, Version 2.0)
// Modifications Copyright (c) 2021, CRO Protocol Labs ("Crypto.org") (licensed under the Apache License, Version 2.0)
package keeper
import (
"encoding/binary"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/crypto-org-chain/chain-main/v3/x/nft/types"
)
// NewQuerier is the module level router for state queries
// (Amino is still needed for Ledger at the moment)
// nolint: staticcheck
func NewQuerier(k Keeper, legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
return func(ctx sdk.Context, path []string, req abci.RequestQuery) (res []byte, err error) {
switch path[0] {
case types.QuerySupply:
return querySupply(ctx, req, k, legacyQuerierCdc)
case types.QueryOwner:
return queryOwner(ctx, req, k, legacyQuerierCdc)
case types.QueryCollection:
return queryCollection(ctx, req, k, legacyQuerierCdc)
case types.QueryDenom:
return queryDenom(ctx, req, k, legacyQuerierCdc)
case types.QueryDenomByName:
return queryDenomByName(ctx, req, k, legacyQuerierCdc)
case types.QueryDenoms:
return queryDenoms(ctx, req, k, legacyQuerierCdc)
case types.QueryNFT:
return queryNFT(ctx, req, k, legacyQuerierCdc)
default:
return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown query path: %s", path[0])
}
}
}
// (Amino is still needed for Ledger at the moment)
// nolint: staticcheck
func querySupply(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
var params types.QuerySupplyParams
err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
var supply uint64
if params.Owner.Empty() && len(params.Denom) > 0 {
supply = k.GetTotalSupply(ctx, params.Denom)
} else {
supply = k.GetTotalSupplyOfOwner(ctx, params.Denom, params.Owner)
}
bz := make([]byte, 8)
binary.LittleEndian.PutUint64(bz, supply)
return bz, nil
}
// (Amino is still needed for Ledger at the moment)
// nolint: staticcheck
func queryOwner(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
var params types.QueryOwnerParams
err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
owner, err := k.GetOwner(ctx, params.Owner, params.Denom)
if err != nil {
return nil, err
}
bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, owner)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
// (Amino is still needed for Ledger at the moment)
// nolint: staticcheck
func queryCollection(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
var params types.QueryCollectionParams
err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
collection, err := k.GetCollection(ctx, params.Denom)
if err != nil {
return nil, err
}
bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, collection)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
// (Amino is still needed for Ledger at the moment)
// nolint: staticcheck
func queryDenom(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
var params types.QueryDenomParams
if err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
denom, err := k.GetDenom(ctx, params.ID)
if err != nil {
return nil, err
}
bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, denom)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
// (Amino is still needed for Ledger at the moment)
// nolint: staticcheck
func queryDenomByName(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
var params types.QueryDenomByNameParams
if err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
denom, err := k.GetDenomByName(ctx, params.Name)
if err != nil {
return nil, err
}
bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, denom)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
// (Amino is still needed for Ledger at the moment)
// nolint: staticcheck
func queryDenoms(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
denoms := k.GetDenoms(ctx)
bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, denoms)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
// (Amino is still needed for Ledger at the moment)
// nolint: staticcheck
func queryNFT(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
var params types.QueryNFTParams
if err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
nft, err := k.GetNFT(ctx, params.Denom, params.TokenID)
if err != nil {
return nil, sdkerrors.Wrapf(types.ErrUnknownNFT, "invalid NFT %s from collection %s", params.TokenID, params.Denom)
}
bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, nft)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}