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grpc_query.go
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/
grpc_query.go
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package keeper
import (
"context"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/query"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/haqq-network/haqq/x/liquidvesting/types"
)
var _ types.QueryServer = Keeper{}
// Denom retrieves liquid token denom by its name
func (k Keeper) Denom(goCtx context.Context, req *types.QueryDenomRequest) (*types.QueryDenomResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "invalid request")
}
ctx := sdk.UnwrapSDKContext(goCtx)
denom, found := k.GetDenom(ctx, req.Denom)
if !found {
return nil, status.Error(codes.NotFound, "not found")
}
return &types.QueryDenomResponse{Denom: denom}, nil
}
// Denoms retrieves liquid tokens denoms
func (k Keeper) Denoms(goCtx context.Context, req *types.QueryDenomsRequest) (*types.QueryDenomsResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "invalid request")
}
var chains []types.Denom
ctx := sdk.UnwrapSDKContext(goCtx)
store := ctx.KVStore(k.storeKey)
chainStore := prefix.NewStore(store, types.DenomKeyPrefix)
pageRes, err := query.Paginate(chainStore, req.Pagination, func(key []byte, value []byte) error {
var chain types.Denom
if err := k.cdc.Unmarshal(value, &chain); err != nil {
return err
}
chains = append(chains, chain)
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryDenomsResponse{Denoms: chains, Pagination: pageRes}, nil
}