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grpc_query.go
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grpc_query.go
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package keeper
import (
"bytes"
"context"
"github.com/desmos-labs/desmos/v4/x/subspaces/types"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/cosmos/cosmos-sdk/types/query"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
var _ types.QueryServer = Keeper{}
// Subspaces implements the Query/Subspaces gRPC method
func (k Keeper) Subspaces(ctx context.Context, request *types.QuerySubspacesRequest) (*types.QuerySubspacesResponse, error) {
sdkCtx := sdk.UnwrapSDKContext(ctx)
store := sdkCtx.KVStore(k.storeKey)
subspacesStore := prefix.NewStore(store, types.SubspacePrefix)
var subspaces []types.Subspace
pageRes, err := query.Paginate(subspacesStore, request.Pagination, func(key []byte, value []byte) error {
var subspace types.Subspace
if err := k.cdc.Unmarshal(value, &subspace); err != nil {
return status.Error(codes.Internal, err.Error())
}
subspaces = append(subspaces, subspace)
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QuerySubspacesResponse{Subspaces: subspaces, Pagination: pageRes}, nil
}
// Subspace implements the Query/Subspace gRPC method
func (k Keeper) Subspace(ctx context.Context, request *types.QuerySubspaceRequest) (*types.QuerySubspaceResponse, error) {
sdkCtx := sdk.UnwrapSDKContext(ctx)
subspace, found := k.GetSubspace(sdkCtx, request.SubspaceId)
if !found {
return nil, sdkerrors.Wrapf(sdkerrors.ErrNotFound, "subspace with id %d not found", request.SubspaceId)
}
return &types.QuerySubspaceResponse{Subspace: subspace}, nil
}
// Sections implements the Query/Sections gRPC method
func (k Keeper) Sections(ctx context.Context, request *types.QuerySectionsRequest) (*types.QuerySectionsResponse, error) {
sdkCtx := sdk.UnwrapSDKContext(ctx)
// Check if the subspace exists
if !k.HasSubspace(sdkCtx, request.SubspaceId) {
return nil, sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "subspace with id %d not found", request.SubspaceId)
}
store := sdkCtx.KVStore(k.storeKey)
storePrefix := types.SubspaceSectionsPrefix(request.SubspaceId)
sectionsStore := prefix.NewStore(store, storePrefix)
var sections []types.Section
pageRes, err := query.Paginate(sectionsStore, request.Pagination, func(key []byte, value []byte) error {
var section types.Section
if err := k.cdc.Unmarshal(value, §ion); err != nil {
return status.Error(codes.Internal, err.Error())
}
sections = append(sections, section)
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QuerySectionsResponse{Sections: sections, Pagination: pageRes}, nil
}
// Section implements the Query/Section gRPC method
func (k Keeper) Section(ctx context.Context, request *types.QuerySectionRequest) (*types.QuerySectionResponse, error) {
sdkCtx := sdk.UnwrapSDKContext(ctx)
// Check if the subspace exists
if !k.HasSubspace(sdkCtx, request.SubspaceId) {
return nil, sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "subspace with id %d not found", request.SubspaceId)
}
section, found := k.GetSection(sdkCtx, request.SubspaceId, request.SectionId)
if !found {
return nil, sdkerrors.Wrapf(sdkerrors.ErrNotFound, "section with id %d not found inside subspace %d", request.SectionId, request.SubspaceId)
}
return &types.QuerySectionResponse{Section: section}, nil
}
// UserGroups implements the Query/UserGroups gRPC method
func (k Keeper) UserGroups(ctx context.Context, request *types.QueryUserGroupsRequest) (*types.QueryUserGroupsResponse, error) {
sdkCtx := sdk.UnwrapSDKContext(ctx)
// Check if the subspace exists
if !k.HasSubspace(sdkCtx, request.SubspaceId) {
return nil, sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "subspace with id %d not found", request.SubspaceId)
}
store := sdkCtx.KVStore(k.storeKey)
storePrefix := types.SubspaceGroupsPrefix(request.SubspaceId)
if request.SectionId != types.RootSectionID {
storePrefix = types.SectionGroupsPrefix(request.SubspaceId, request.SectionId)
}
groupsStore := prefix.NewStore(store, storePrefix)
var groups []types.UserGroup
pageRes, err := query.Paginate(groupsStore, request.Pagination, func(key []byte, value []byte) error {
var group types.UserGroup
err := k.cdc.Unmarshal(value, &group)
if err != nil {
return err
}
groups = append(groups, group)
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryUserGroupsResponse{Groups: groups, Pagination: pageRes}, nil
}
// UserGroup implements the Query/UserGroup gRPC method
func (k Keeper) UserGroup(ctx context.Context, request *types.QueryUserGroupRequest) (*types.QueryUserGroupResponse, error) {
sdkCtx := sdk.UnwrapSDKContext(ctx)
// Check if the subspace exists
if !k.HasSubspace(sdkCtx, request.SubspaceId) {
return nil, sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "subspace with id %d not found", request.SubspaceId)
}
// Get the group
group, found := k.GetUserGroup(sdkCtx, request.SubspaceId, request.GroupId)
if !found {
return nil, sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "group %d could not be found", request.GroupId)
}
return &types.QueryUserGroupResponse{Group: group}, nil
}
// UserGroupMembers implements the Query/UserGroupMembers gRPC method
func (k Keeper) UserGroupMembers(ctx context.Context, request *types.QueryUserGroupMembersRequest) (*types.QueryUserGroupMembersResponse, error) {
sdkCtx := sdk.UnwrapSDKContext(ctx)
// Check if the subspace exists
if !k.HasSubspace(sdkCtx, request.SubspaceId) {
return nil, sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "subspace with id %d not found", request.SubspaceId)
}
// Check if the group exists
if !k.HasUserGroup(sdkCtx, request.SubspaceId, request.GroupId) {
return nil, sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "group %d could not be found", request.GroupId)
}
store := sdkCtx.KVStore(k.storeKey)
storePrefix := types.GroupMembersPrefix(request.SubspaceId, request.GroupId)
membersStore := prefix.NewStore(store, storePrefix)
var members []string
pageRes, err := query.Paginate(membersStore, request.Pagination, func(key []byte, value []byte) error {
member := types.GetAddressFromBytes(bytes.TrimPrefix(key, storePrefix))
members = append(members, member)
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryUserGroupMembersResponse{Members: members, Pagination: pageRes}, nil
}
// UserPermissions implements the Query/UserPermissions gRPC method
func (k Keeper) UserPermissions(ctx context.Context, request *types.QueryUserPermissionsRequest) (*types.QueryUserPermissionsResponse, error) {
sdkCtx := sdk.UnwrapSDKContext(ctx)
// Check if the subspace exists
if !k.HasSubspace(sdkCtx, request.SubspaceId) {
return nil, sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "subspace with id %d not found", request.SubspaceId)
}
// Get the user specific permissions
userPermissions := k.GetUserPermissions(sdkCtx, request.SubspaceId, request.SectionId, request.User)
groupPermissions := k.GetGroupsInheritedPermissions(sdkCtx, request.SubspaceId, request.SectionId, request.User)
permissionResult := types.CombinePermissions(append(userPermissions, groupPermissions...)...)
// Get the details of all the permissions
var details []types.PermissionDetail
if userPermissions != nil {
details = append(details, types.NewPermissionDetailUser(request.SubspaceId, request.SectionId, request.User, userPermissions))
}
k.IterateSubspaceUserGroups(sdkCtx, request.SubspaceId, func(group types.UserGroup) (stop bool) {
if k.IsMemberOfGroup(sdkCtx, request.SubspaceId, group.ID, request.User) {
details = append(details, types.NewPermissionDetailGroup(group.SubspaceID, group.SectionID, group.ID, group.Permissions))
}
return false
})
return &types.QueryUserPermissionsResponse{
Permissions: permissionResult,
Details: details,
}, nil
}