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query_plugin.go
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/
query_plugin.go
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package wasmbinding
import (
"fmt"
wasmkeeper "github.com/CosmWasm/wasmd/x/wasm/keeper"
wasmvmtypes "github.com/CosmWasm/wasmvm/types"
"github.com/cosmos/cosmos-sdk/baseapp"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
abci "github.com/tendermint/tendermint/abci/types"
)
// StargateQuerier dispatches whitelisted stargate queries
func StargateQuerier(queryRouter baseapp.GRPCQueryRouter, cdc codec.Codec) func(ctx sdk.Context, request *wasmvmtypes.StargateQuery) ([]byte, error) {
return func(ctx sdk.Context, request *wasmvmtypes.StargateQuery) ([]byte, error) {
protoResponseType, err := GetWhitelistedQuery(request.Path)
if err != nil {
return nil, err
}
route := queryRouter.Route(request.Path)
if route == nil {
return nil, wasmvmtypes.UnsupportedRequest{Kind: fmt.Sprintf("No route to query '%s'", request.Path)}
}
res, err := route(ctx, abci.RequestQuery{
Data: request.Data,
Path: request.Path,
})
if err != nil {
return nil, err
}
return wasmkeeper.ConvertProtoToJSONMarshal(cdc, protoResponseType, res.Value)
}
}