Make NFT optional with env

src/api/Ethereum.ts

@@ -10,6 +10,8 @@ import network from "../network";
 import { blockchainBaseURL } from "./Ledger";
 import { FeeEstimationFailed } from "../errors";
 import { makeLRUCache } from "../cache";
+import { getEnv } from "../env";
+
 export type Block = {
   height: BigNumber;
 }; // TODO more fields actually
@@ -131,8 +133,9 @@ export const apiForCurrency = (currency: CryptoCurrency): API => {
       let { data } = await network({
         method: "GET",
         url: URL.format({
-          /** @important FIXME: transactions are mocked while we are waiting for the API */
-          pathname: `http://51.210.220.222/blockchain/v3/eth/addresses/${address}/transactions`,
+          pathname: getEnv("NFT")
+            ? `http://51.210.220.222/blockchain/v3/eth/addresses/${address}/transactions`
+            : `${baseURL}/addresses/${address}/transactions`,
           query: {
             batch_size,
             noinput: true,

src/env.ts

@@ -366,6 +366,11 @@ const envDefinitions = {
     parser: stringParser,
     desc: "switch the app into a MOCK mode for test purpose, the value will be used as a seed for the rng. Avoid falsy values.",
   },
+  NFT: {
+    def: false,
+    parser: boolParser,
+    desc: "synchronizing nfts",
+  },
   OPERATION_ADDRESSES_LIMIT: {
     def: 100,
     parser: intParser,