feat: enable rinkeby for opensea (#2357)

services/wallet/api.go

@@ -215,14 +215,24 @@ func (api *API) GetCryptoOnRamps(ctx context.Context) ([]CryptoOnRamp, error) {
 	return api.s.cryptoOnRampManager.Get()
 }
 
-func (api *API) GetOpenseaCollectionsByOwner(ctx context.Context, owner common.Address) ([]OpenseaCollection, error) {
+func (api *API) GetOpenseaCollectionsByOwner(ctx context.Context, chainID uint64, owner common.Address) ([]OpenseaCollection, error) {
 	log.Debug("call to get opensea collections")
-	return api.s.opensea.fetchAllCollectionsByOwner(owner)
+	client, err := newOpenseaClient(chainID)
+	if err != nil {
+		return nil, err
+	}
+
+	return client.fetchAllCollectionsByOwner(owner)
 }
 
-func (api *API) GetOpenseaAssetsByOwnerAndCollection(ctx context.Context, owner common.Address, collectionSlug string, limit int) ([]OpenseaAsset, error) {
+func (api *API) GetOpenseaAssetsByOwnerAndCollection(ctx context.Context, chainID uint64, owner common.Address, collectionSlug string, limit int) ([]OpenseaAsset, error) {
 	log.Debug("call to get opensea assets")
-	return api.s.opensea.fetchAllAssetsByOwnerAndCollection(owner, collectionSlug, limit)
+	client, err := newOpenseaClient(chainID)
+	if err != nil {
+		return nil, err
+	}
+
+	return client.fetchAllAssetsByOwnerAndCollection(owner, collectionSlug, limit)
 }
 
 func (api *API) AddEthereumChain(ctx context.Context, network network.Network) error {

services/wallet/opensea.go

@@ -2,6 +2,7 @@ package wallet
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io/ioutil"
 	"net/http"
@@ -15,6 +16,11 @@ import (
 const AssetLimit = 50
 const CollectionLimit = 300
 
+var BaseURLs = map[uint64]string{
+	1: "https://api.opensea.io/api/v1",
+	4: "https://rinkeby-api.opensea.io/api/v1",
+}
+
 type TraitValue string
 
 func (st *TraitValue) UnmarshalJSON(b []byte) error {
@@ -106,12 +112,15 @@ type OpenseaClient struct {
 }
 
 // new opensea client.
-func newOpenseaClient() *OpenseaClient {
+func newOpenseaClient(chainID uint64) (*OpenseaClient, error) {
 	client := &http.Client{
 		Timeout: time.Second * 5,
 	}
+	if url, ok := BaseURLs[chainID]; ok {
+		return &OpenseaClient{client: client, url: url}, nil
+	}
 
-	return &OpenseaClient{client: client, url: "https://api.opensea.io/api/v1"}
+	return nil, errors.New("ChainID not supported")
 }
 
 func (o *OpenseaClient) fetchAllCollectionsByOwner(owner common.Address) ([]OpenseaCollection, error) {

services/wallet/service.go

@@ -36,7 +36,6 @@ func NewService(db *sql.DB, legacyChainID uint64, legacyClient *ethclient.Client
 		savedAddressesManager: savedAddressesManager,
 		transactionManager:    transactionManager,
 		transferController:    transferController,
-		opensea:               newOpenseaClient(),
 		cryptoOnRampManager:   cryptoOnRampManager,
 		legacyChainID:         legacyChainID,
 	}
@@ -51,7 +50,6 @@ type Service struct {
 	favouriteManager      *FavouriteManager
 	cryptoOnRampManager   *CryptoOnRampManager
 	transferController    *transfer.Controller
-	opensea               *OpenseaClient
 	legacyChainID         uint64
 	started               bool
 }