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grpc_query.go
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/
grpc_query.go
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package keeper
import (
"context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/query"
"github.com/UptickNetwork/wasm-nft-convert/types"
)
var _ types.QueryServer = Keeper{}
// TokenPairs returns all registered pairs
func (k Keeper) TokenPairs(c context.Context, req *types.QueryTokenPairsRequest) (*types.QueryTokenPairsResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
var pairs []types.TokenPair
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefixTokenPair)
pageRes, err := query.Paginate(store, req.Pagination, func(_, value []byte) error {
var pair types.TokenPair
if err := k.cdc.Unmarshal(value, &pair); err != nil {
return err
}
pairs = append(pairs, pair)
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryTokenPairsResponse{
TokenPairs: pairs,
Pagination: pageRes,
}, nil
}
// TokenPair returns a given registered token pair
func (k Keeper) TokenPair(c context.Context, req *types.QueryTokenPairRequest) (*types.QueryTokenPairResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
id := k.GetTokenPairID(ctx, req.Token)
if len(id) == 0 {
return nil, status.Errorf(codes.NotFound, "token pair with token '%s'", req.Token)
}
pair, found := k.GetTokenPair(ctx, id)
if !found {
return nil, status.Errorf(codes.NotFound, "token pair with token '%s'", req.Token)
}
return &types.QueryTokenPairResponse{TokenPair: pair}, nil
//return nil, nil
}
// Params returns the params of the erc20 module
func (k Keeper) Params(c context.Context, _ *types.QueryParamsRequest) (*types.QueryParamsResponse, error) {
ctx := sdk.UnwrapSDKContext(c)
params := k.GetParams(ctx)
return &types.QueryParamsResponse{Params: params}, nil
}
// WasmContract returns a given registered token pair
func (k Keeper) WasmContract(c context.Context, req *types.QueryWasmAddressRequest) (*types.QueryTokenPairResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
token := k.GetVoucherClassID(req.Port, req.Channel, req.ClassId)
// keeper.Keeper.GetVoucherClassID(req.Port, req.Channel, req.ClassId)
id := k.GetTokenPairID(ctx, token)
if len(id) == 0 {
return nil, status.Errorf(codes.NotFound, "token pair with token '%s'", token)
}
pair, found := k.GetTokenPair(ctx, id)
if !found {
return nil, status.Errorf(codes.NotFound, "token pair with token '%s'", token)
}
return &types.QueryTokenPairResponse{TokenPair: pair}, nil
}