/
querier.go
67 lines (54 loc) · 1.6 KB
/
querier.go
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package hh
import (
"strings"
"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 hh Querier.
const (
QueryNFToken = "NFToken"
QueryNFTokens = "NFTokens"
)
// NewQuerier is the module level router for state queries
func NewQuerier(keeper Keeper) sdk.Querier {
return func(ctx sdk.Context, path []string, req abci.RequestQuery) (res []byte, err sdk.Error) {
switch path[0] {
case QueryNFToken:
return queryNFToken(ctx, path[1:], req, keeper)
case QueryNFTokens:
return queryNFTokens(ctx, req, keeper)
default:
return nil, sdk.ErrUnknownRequest("unknown hh query endpoint")
}
}
}
// nolint: unparam
func queryNFToken(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper) (res []byte, err sdk.Error) {
tokenID := path[0]
token := keeper.GetNFToken(ctx, tokenID)
if token == nil {
return nil, sdk.ErrUnknownRequest("token does not exist")
}
bz, err2 := codec.MarshalJSONIndent(keeper.cdc, token)
if err2 != nil {
panic("could not marshal result to JSON")
}
return bz, nil
}
func queryNFTokens(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) (res []byte, err sdk.Error) {
tokens := QueryResNFTokens(keeper.GetNFTokens(ctx))
bz, err2 := codec.MarshalJSONIndent(keeper.cdc, tokens)
if err2 != nil {
panic("could not marshal result to JSON")
}
return bz, nil
}
type QueryResNFTokens []NFT
func (m QueryResNFTokens) String() string {
var out []string
for _, token := range m {
out = append(out, token.String())
}
return strings.Join(out, "\n")
}