update examples

Author: DenisCarriere

README.md

@@ -44,7 +44,7 @@ const stopBlockNum = "+10";
 const substreams = new Substreams(outputModule, {
     startBlockNum,
     stopBlockNum,
-    authorization: process.env.SUBSTREAMS_API_TOKEN
+    authorization: process.env.STREAMINGFAST_KEY // or SUBSTREAMS_API_TOKEN
 });
 
 (async () => {

example.js

@@ -10,7 +10,7 @@ const stopBlockNum = "+10";
 const substreams = new Substreams(outputModule, {
     startBlockNum,
     stopBlockNum,
-    authorization: "<STREAMINGFAST_KEY or SUBSTREAMS_API_TOKEN>"
+    authorization: process.env.STREAMINGFAST_KEY // or SUBSTREAMS_API_TOKEN
 });
 
 (async () => {

examples/subtivity.ts

@@ -10,7 +10,7 @@ const stopBlockNum = "+10";
 const substreams = new Substreams(outputModule, {
     startBlockNum,
     stopBlockNum,
-    authorization: process.env.STREAMINGFAST_KEY
+    authorization: process.env.STREAMINGFAST_KEY // or SUBSTREAMS_API_TOKEN
 });
 
 (async () => {

src/utils.ts

@@ -46,7 +46,8 @@ export async function authentication_token(api_key: string) {
 
 export async function parseAuthorization(authorization: string ) {
     if ( authorization.includes("server_") ) {
-        return (await authentication_token(authorization)).token;
+        const { token } = await authentication_token(authorization);
+        return token;
     }
     return authorization;
 }