feat: implement collectible ownership status

services/wallet/collectibles/commands.go

@@ -3,6 +3,7 @@ package collectibles
 import (
 	"context"
 	"errors"
+	"sync/atomic"
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -27,16 +28,19 @@ type periodicRefreshOwnedCollectiblesCommand struct {
 	walletFeed  *event.Feed
 
 	group *async.Group
+	state atomic.Value
 }
 
 func newPeriodicRefreshOwnedCollectiblesCommand(manager *Manager, ownershipDB *OwnershipDB, walletFeed *event.Feed, chainID walletCommon.ChainID, account common.Address) *periodicRefreshOwnedCollectiblesCommand {
-	return &periodicRefreshOwnedCollectiblesCommand{
+	ret := &periodicRefreshOwnedCollectiblesCommand{
 		manager:     manager,
 		ownershipDB: ownershipDB,
 		walletFeed:  walletFeed,
 		chainID:     chainID,
 		account:     account,
 	}
+	ret.state.Store(OwnershipStateIdle)
+	return ret
 }
 
 func (c *periodicRefreshOwnedCollectiblesCommand) Command() async.Command {
@@ -50,6 +54,10 @@ func (c *periodicRefreshOwnedCollectiblesCommand) Run(ctx context.Context) (err
 	return c.loadOwnedCollectibles(ctx)
 }
 
+func (c *periodicRefreshOwnedCollectiblesCommand) GetState() OwnershipState {
+	return c.state.Load().(OwnershipState)
+}
+
 func (c *periodicRefreshOwnedCollectiblesCommand) Stop() {
 	if c.group != nil {
 		c.group.Stop()
@@ -60,8 +68,17 @@ func (c *periodicRefreshOwnedCollectiblesCommand) Stop() {
 
 func (c *periodicRefreshOwnedCollectiblesCommand) loadOwnedCollectibles(ctx context.Context) error {
 	c.group = async.NewGroup(ctx)
-
 	command := newLoadOwnedCollectiblesCommand(c.manager, c.ownershipDB, c.walletFeed, c.chainID, c.account)
+
+	c.state.Store(OwnershipStateUpdating)
+	defer func() {
+		if command.err != nil {
+			c.state.Store(OwnershipStateError)
+		} else {
+			c.state.Store(OwnershipStateIdle)
+		}
+	}()
+
 	c.group.Add(command.Command())
 
 	select {

services/wallet/collectibles/service.go

@@ -84,13 +84,30 @@ const (
 	ErrorCodeFailed
 )
 
+type OwnershipState = int
+
+const (
+	OwnershipStateIdle OwnershipState = iota + 1
+	OwnershipStateUpdating
+	OwnershipStateError
+)
+
+type OwnershipStatus struct {
+	State     OwnershipState `json:"state"`
+	Timestamp int64          `json:"timestamp"`
+}
+
+type OwnershipStatusPerChainID = map[walletCommon.ChainID]OwnershipStatus
+type OwnershipStatusPerAddressAndChainID = map[common.Address]OwnershipStatusPerChainID
+
 type FilterOwnedCollectiblesResponse struct {
 	Collectibles []CollectibleHeader `json:"collectibles"`
 	Offset       int                 `json:"offset"`
 	// Used to indicate that there might be more collectibles that were not returned
 	// based on a simple heuristic
-	HasMore   bool      `json:"hasMore"`
-	ErrorCode ErrorCode `json:"errorCode"`
+	HasMore         bool                                `json:"hasMore"`
+	OwnershipStatus OwnershipStatusPerAddressAndChainID `json:"ownershipStatus"`
+	ErrorCode       ErrorCode                           `json:"errorCode"`
 }
 
 type GetCollectiblesDetailsResponse struct {
@@ -99,8 +116,9 @@ type GetCollectiblesDetailsResponse struct {
 }
 
 type filterOwnedCollectiblesTaskReturnType struct {
-	collectibles []CollectibleHeader
-	hasMore      bool
+	collectibles    []CollectibleHeader
+	hasMore         bool
+	ownershipStatus OwnershipStatusPerAddressAndChainID
 }
 
 // FilterOwnedCollectiblesResponse allows only one filter task to run at a time
@@ -116,10 +134,15 @@ func (s *Service) FilterOwnedCollectiblesAsync(requestID int32, chainIDs []walle
 		if err != nil {
 			return nil, err
 		}
+		ownershipStatus, err := s.GetOwnershipStatus(chainIDs, addresses)
+		if err != nil {
+			return nil, err
+		}
 
 		return filterOwnedCollectiblesTaskReturnType{
-			collectibles: fullCollectiblesDataToHeaders(data),
-			hasMore:      hasMore,
+			collectibles:    fullCollectiblesDataToHeaders(data),
+			hasMore:         hasMore,
+			ownershipStatus: ownershipStatus,
 		}, err
 	}, func(result interface{}, taskType async.TaskType, err error) {
 		res := FilterOwnedCollectiblesResponse{
@@ -133,6 +156,7 @@ func (s *Service) FilterOwnedCollectiblesAsync(requestID int32, chainIDs []walle
 			res.Collectibles = fnRet.collectibles
 			res.Offset = offset
 			res.HasMore = fnRet.hasMore
+			res.OwnershipStatus = fnRet.ownershipStatus
 			res.ErrorCode = ErrorCodeSuccess
 		}
 
@@ -355,3 +379,26 @@ func (s *Service) GetOwnedCollectibles(chainIDs []walletCommon.ChainID, owners [
 func (s *Service) GetOwnedCollectible(chainID walletCommon.ChainID, owner common.Address, contractAddress common.Address, tokenID *big.Int) (*thirdparty.CollectibleUniqueID, error) {
 	return s.ownershipDB.GetOwnedCollectible(chainID, owner, contractAddress, tokenID)
 }
+
+func (s *Service) GetOwnershipStatus(chainIDs []walletCommon.ChainID, owners []common.Address) (OwnershipStatusPerAddressAndChainID, error) {
+	ret := make(OwnershipStatusPerAddressAndChainID)
+	for _, address := range owners {
+		ret[address] = make(OwnershipStatusPerChainID)
+		for _, chainID := range chainIDs {
+			timestamp, err := s.ownershipDB.GetOwnershipUpdateTimestamp(address, chainID)
+			if err != nil {
+				return nil, err
+			}
+			state := OwnershipStateIdle
+			if s.commands[address] != nil && s.commands[address][chainID] != nil {
+				state = s.commands[address][chainID].GetState()
+			}
+			ret[address][chainID] = OwnershipStatus{
+				State:     state,
+				Timestamp: timestamp,
+			}
+		}
+	}
+
+	return ret, nil
+}