96 lines
2.5 KiB
Go
96 lines
2.5 KiB
Go
package keeper
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/gogo/protobuf/proto"
|
|
"google.golang.org/grpc/codes"
|
|
"google.golang.org/grpc/status"
|
|
|
|
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
|
|
"github.com/cosmos/cosmos-sdk/store/prefix"
|
|
sdk "github.com/cosmos/cosmos-sdk/types"
|
|
"github.com/cosmos/cosmos-sdk/types/query"
|
|
"github.com/cosmos/cosmos-sdk/x/feegrant"
|
|
)
|
|
|
|
var _ feegrant.QueryServer = Keeper{}
|
|
|
|
// Allowance returns fee granted to the grantee by the granter.
|
|
func (q Keeper) Allowance(c context.Context, req *feegrant.QueryAllowanceRequest) (*feegrant.QueryAllowanceResponse, error) {
|
|
if req == nil {
|
|
return nil, status.Error(codes.InvalidArgument, "invalid request")
|
|
}
|
|
|
|
granterAddr, err := sdk.AccAddressFromBech32(req.Granter)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
granteeAddr, err := sdk.AccAddressFromBech32(req.Grantee)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ctx := sdk.UnwrapSDKContext(c)
|
|
|
|
feeAllowance, err := q.GetAllowance(ctx, granterAddr, granteeAddr)
|
|
if err != nil {
|
|
return nil, status.Errorf(codes.Internal, err.Error())
|
|
}
|
|
|
|
msg, ok := feeAllowance.(proto.Message)
|
|
if !ok {
|
|
return nil, status.Errorf(codes.Internal, "can't proto marshal %T", msg)
|
|
}
|
|
|
|
feeAllowanceAny, err := codectypes.NewAnyWithValue(msg)
|
|
if err != nil {
|
|
return nil, status.Errorf(codes.Internal, err.Error())
|
|
}
|
|
|
|
return &feegrant.QueryAllowanceResponse{
|
|
Allowance: &feegrant.Grant{
|
|
Granter: granterAddr.String(),
|
|
Grantee: granteeAddr.String(),
|
|
Allowance: feeAllowanceAny,
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
// Allowances queries all the allowances granted to the given grantee.
|
|
func (q Keeper) Allowances(c context.Context, req *feegrant.QueryAllowancesRequest) (*feegrant.QueryAllowancesResponse, error) {
|
|
if req == nil {
|
|
return nil, status.Error(codes.InvalidArgument, "invalid request")
|
|
}
|
|
|
|
granteeAddr, err := sdk.AccAddressFromBech32(req.Grantee)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ctx := sdk.UnwrapSDKContext(c)
|
|
|
|
var grants []*feegrant.Grant
|
|
|
|
store := ctx.KVStore(q.storeKey)
|
|
grantsStore := prefix.NewStore(store, feegrant.FeeAllowancePrefixByGrantee(granteeAddr))
|
|
|
|
pageRes, err := query.Paginate(grantsStore, req.Pagination, func(key []byte, value []byte) error {
|
|
var grant feegrant.Grant
|
|
|
|
if err := q.cdc.Unmarshal(value, &grant); err != nil {
|
|
return err
|
|
}
|
|
|
|
grants = append(grants, &grant)
|
|
return nil
|
|
})
|
|
|
|
if err != nil {
|
|
return nil, status.Error(codes.Internal, err.Error())
|
|
}
|
|
|
|
return &feegrant.QueryAllowancesResponse{Allowances: grants, Pagination: pageRes}, nil
|
|
}
|