343 lines
10 KiB
Go
343 lines
10 KiB
Go
package collectibles
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import (
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"context"
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"encoding/json"
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"errors"
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"math/big"
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"sync/atomic"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/log"
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"github.com/status-im/status-go/services/wallet/async"
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"github.com/status-im/status-go/services/wallet/bigint"
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walletCommon "github.com/status-im/status-go/services/wallet/common"
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"github.com/status-im/status-go/services/wallet/thirdparty"
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"github.com/status-im/status-go/services/wallet/transfer"
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"github.com/status-im/status-go/services/wallet/walletevent"
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)
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const (
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fetchLimit = 50 // Limit number of collectibles we fetch per provider call
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accountOwnershipUpdateInterval = 60 * time.Minute
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accountOwnershipUpdateDelayInterval = 30 * time.Second
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)
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type OwnershipState = int
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type OwnedCollectibles struct {
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chainID walletCommon.ChainID
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account common.Address
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ids []thirdparty.CollectibleUniqueID
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}
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type OwnedCollectiblesChangeType = int
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const (
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OwnedCollectiblesChangeTypeAdded OwnedCollectiblesChangeType = iota + 1
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OwnedCollectiblesChangeTypeUpdated
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OwnedCollectiblesChangeTypeRemoved
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)
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type OwnedCollectiblesChange struct {
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ownedCollectibles OwnedCollectibles
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changeType OwnedCollectiblesChangeType
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}
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type OwnedCollectiblesChangeCb func(OwnedCollectiblesChange)
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type TransferCb func(common.Address, walletCommon.ChainID, []transfer.Transfer)
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const (
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OwnershipStateIdle OwnershipState = iota + 1
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OwnershipStateDelayed
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OwnershipStateUpdating
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OwnershipStateError
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)
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type periodicRefreshOwnedCollectiblesCommand struct {
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chainID walletCommon.ChainID
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account common.Address
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manager *Manager
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ownershipDB *OwnershipDB
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walletFeed *event.Feed
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ownedCollectiblesChangeCb OwnedCollectiblesChangeCb
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group *async.Group
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state atomic.Value
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}
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func newPeriodicRefreshOwnedCollectiblesCommand(
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manager *Manager,
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ownershipDB *OwnershipDB,
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walletFeed *event.Feed,
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chainID walletCommon.ChainID,
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account common.Address,
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ownedCollectiblesChangeCb OwnedCollectiblesChangeCb) *periodicRefreshOwnedCollectiblesCommand {
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ret := &periodicRefreshOwnedCollectiblesCommand{
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manager: manager,
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ownershipDB: ownershipDB,
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walletFeed: walletFeed,
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chainID: chainID,
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account: account,
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ownedCollectiblesChangeCb: ownedCollectiblesChangeCb,
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}
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ret.state.Store(OwnershipStateIdle)
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return ret
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}
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func (c *periodicRefreshOwnedCollectiblesCommand) DelayedCommand() async.Command {
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return async.SingleShotCommand{
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Interval: accountOwnershipUpdateDelayInterval,
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Init: func(ctx context.Context) (err error) {
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c.state.Store(OwnershipStateDelayed)
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return nil
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},
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Runable: c.Command(),
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}.Run
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}
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func (c *periodicRefreshOwnedCollectiblesCommand) Command() async.Command {
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return async.InfiniteCommand{
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Interval: accountOwnershipUpdateInterval,
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Runable: c.Run,
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}.Run
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}
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func (c *periodicRefreshOwnedCollectiblesCommand) Run(ctx context.Context) (err error) {
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return c.loadOwnedCollectibles(ctx)
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}
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func (c *periodicRefreshOwnedCollectiblesCommand) GetState() OwnershipState {
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return c.state.Load().(OwnershipState)
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}
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func (c *periodicRefreshOwnedCollectiblesCommand) Stop() {
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if c.group != nil {
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c.group.Stop()
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c.group.Wait()
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c.group = nil
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}
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}
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func (c *periodicRefreshOwnedCollectiblesCommand) loadOwnedCollectibles(ctx context.Context) error {
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c.group = async.NewGroup(ctx)
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ownedCollectiblesChangeCh := make(chan OwnedCollectiblesChange)
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command := newLoadOwnedCollectiblesCommand(c.manager, c.ownershipDB, c.walletFeed, c.chainID, c.account, ownedCollectiblesChangeCh)
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c.state.Store(OwnershipStateUpdating)
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defer func() {
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if command.err != nil {
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c.state.Store(OwnershipStateError)
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} else {
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c.state.Store(OwnershipStateIdle)
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}
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}()
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c.group.Add(command.Command())
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select {
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case ownedCollectiblesChange := <-ownedCollectiblesChangeCh:
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if c.ownedCollectiblesChangeCb != nil {
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c.ownedCollectiblesChangeCb(ownedCollectiblesChange)
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}
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case <-ctx.Done():
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return ctx.Err()
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case <-c.group.WaitAsync():
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return nil
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}
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return nil
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}
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// Fetches owned collectibles for a ChainID+OwnerAddress combination in chunks
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// and updates the ownershipDB when all chunks are loaded
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type loadOwnedCollectiblesCommand struct {
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chainID walletCommon.ChainID
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account common.Address
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manager *Manager
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ownershipDB *OwnershipDB
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walletFeed *event.Feed
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ownedCollectiblesChangeCh chan<- OwnedCollectiblesChange
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// Not to be set by the caller
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partialOwnership []thirdparty.CollectibleIDBalance
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err error
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}
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func newLoadOwnedCollectiblesCommand(
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manager *Manager,
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ownershipDB *OwnershipDB,
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walletFeed *event.Feed,
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chainID walletCommon.ChainID,
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account common.Address,
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ownedCollectiblesChangeCh chan<- OwnedCollectiblesChange) *loadOwnedCollectiblesCommand {
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return &loadOwnedCollectiblesCommand{
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manager: manager,
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ownershipDB: ownershipDB,
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walletFeed: walletFeed,
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chainID: chainID,
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account: account,
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ownedCollectiblesChangeCh: ownedCollectiblesChangeCh,
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}
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}
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func (c *loadOwnedCollectiblesCommand) Command() async.Command {
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return c.Run
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}
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func (c *loadOwnedCollectiblesCommand) triggerEvent(eventType walletevent.EventType, chainID walletCommon.ChainID, account common.Address, message string) {
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c.walletFeed.Send(walletevent.Event{
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Type: eventType,
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ChainID: uint64(chainID),
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Accounts: []common.Address{
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account,
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},
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Message: message,
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})
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}
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func ownedTokensToTokenBalancesPerContractAddress(ownership []thirdparty.CollectibleIDBalance) thirdparty.TokenBalancesPerContractAddress {
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ret := make(thirdparty.TokenBalancesPerContractAddress)
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for _, idBalance := range ownership {
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balanceBigInt := idBalance.Balance
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if balanceBigInt == nil {
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balanceBigInt = &bigint.BigInt{Int: big.NewInt(1)}
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}
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balance := thirdparty.TokenBalance{
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TokenID: idBalance.ID.TokenID,
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Balance: balanceBigInt,
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}
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ret[idBalance.ID.ContractID.Address] = append(ret[idBalance.ID.ContractID.Address], balance)
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}
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return ret
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}
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func (c *loadOwnedCollectiblesCommand) sendOwnedCollectiblesChanges(removed, updated, added []thirdparty.CollectibleUniqueID) {
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if len(removed) > 0 {
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c.ownedCollectiblesChangeCh <- OwnedCollectiblesChange{
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ownedCollectibles: OwnedCollectibles{
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chainID: c.chainID,
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account: c.account,
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ids: removed,
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},
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changeType: OwnedCollectiblesChangeTypeRemoved,
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}
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}
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if len(updated) > 0 {
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c.ownedCollectiblesChangeCh <- OwnedCollectiblesChange{
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ownedCollectibles: OwnedCollectibles{
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chainID: c.chainID,
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account: c.account,
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ids: updated,
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},
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changeType: OwnedCollectiblesChangeTypeUpdated,
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}
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}
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if len(added) > 0 {
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c.ownedCollectiblesChangeCh <- OwnedCollectiblesChange{
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ownedCollectibles: OwnedCollectibles{
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chainID: c.chainID,
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account: c.account,
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ids: added,
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},
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changeType: OwnedCollectiblesChangeTypeAdded,
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}
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}
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}
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func (c *loadOwnedCollectiblesCommand) Run(parent context.Context) (err error) {
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log.Debug("start loadOwnedCollectiblesCommand", "chain", c.chainID, "account", c.account)
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pageNr := 0
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cursor := thirdparty.FetchFromStartCursor
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providerID := thirdparty.FetchFromAnyProvider
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start := time.Now()
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c.triggerEvent(EventCollectiblesOwnershipUpdateStarted, c.chainID, c.account, "")
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updateMessage := OwnershipUpdateMessage{}
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lastFetchTimestamp, err := c.ownershipDB.GetOwnershipUpdateTimestamp(c.account, c.chainID)
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if err != nil {
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c.err = err
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} else {
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initialFetch := lastFetchTimestamp == InvalidTimestamp
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// Fetch collectibles in chunks
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for {
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if walletCommon.ShouldCancel(parent) {
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c.err = errors.New("context cancelled")
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break
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}
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pageStart := time.Now()
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log.Debug("start loadOwnedCollectiblesCommand", "chain", c.chainID, "account", c.account, "page", pageNr)
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partialOwnership, err := c.manager.FetchCollectibleOwnershipByOwner(parent, c.chainID, c.account, cursor, fetchLimit, providerID)
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if err != nil {
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log.Error("failed loadOwnedCollectiblesCommand", "chain", c.chainID, "account", c.account, "page", pageNr, "error", err)
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c.err = err
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break
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}
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log.Debug("partial loadOwnedCollectiblesCommand", "chain", c.chainID, "account", c.account, "page", pageNr, "in", time.Since(pageStart), "found", len(partialOwnership.Items))
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c.partialOwnership = append(c.partialOwnership, partialOwnership.Items...)
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pageNr++
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cursor = partialOwnership.NextCursor
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providerID = partialOwnership.Provider
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finished := cursor == thirdparty.FetchFromStartCursor
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// Normally, update the DB once we've finished fetching
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// If this is the first fetch, make partial updates to the client to get a better UX
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if initialFetch || finished {
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balances := ownedTokensToTokenBalancesPerContractAddress(c.partialOwnership)
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updateMessage.Removed, updateMessage.Updated, updateMessage.Added, err = c.ownershipDB.Update(c.chainID, c.account, balances, start.Unix())
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if err != nil {
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log.Error("failed updating ownershipDB in loadOwnedCollectiblesCommand", "chain", c.chainID, "account", c.account, "error", err)
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c.err = err
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break
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}
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c.sendOwnedCollectiblesChanges(updateMessage.Removed, updateMessage.Updated, updateMessage.Added)
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}
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if finished || c.err != nil {
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break
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} else if initialFetch {
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encodedMessage, err := json.Marshal(updateMessage)
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if err != nil {
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c.err = err
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break
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}
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c.triggerEvent(EventCollectiblesOwnershipUpdatePartial, c.chainID, c.account, string(encodedMessage))
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updateMessage = OwnershipUpdateMessage{}
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}
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}
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}
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var encodedMessage []byte
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if c.err == nil {
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encodedMessage, c.err = json.Marshal(updateMessage)
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}
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if c.err != nil {
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c.triggerEvent(EventCollectiblesOwnershipUpdateFinishedWithError, c.chainID, c.account, c.err.Error())
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} else {
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c.triggerEvent(EventCollectiblesOwnershipUpdateFinished, c.chainID, c.account, string(encodedMessage))
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}
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log.Debug("end loadOwnedCollectiblesCommand", "chain", c.chainID, "account", c.account, "in", time.Since(start))
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return nil
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}
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