feat: Upgrade to Node 18 and remove cross-fetch (#2678) (#2737)

* feat: Upgrade to Node 18 and remove cross-fetch (#2678)

BREAKING CHANGE: fetch now relies on the native javascript environment in browsers and node.js

Co-authored-by: justinr1234 <justinr1234@gmail.com>

.github/workflows/nodejs.yml

@@ -19,7 +19,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [18.x]
 
     steps:
       - uses: actions/checkout@v3
@@ -60,7 +60,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x, 18.x, 20.x]
+        node-version: [18.x, 20.x]
 
     steps:
       - uses: actions/checkout@v3
@@ -101,7 +101,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x, 18.x, 20.x]
+        node-version: [18.x, 20.x]
 
     steps:
       - uses: actions/checkout@v3
@@ -153,7 +153,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [18.x]
 
     steps:
       - uses: actions/checkout@v3
@@ -205,7 +205,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x, 18.x, 20.x]
+        node-version: [18.x, 20.x]
 
     steps:
       - uses: actions/checkout@v3

CONTRIBUTING.md

@@ -12,7 +12,7 @@
 
 ### Requirements
 
-We use Node v16 for development - that is the version that our linters require.
+We use Node v18 for development - that is the version that our linters require.
 You must also use `npm` v7. You can check your `npm` version with:
 
 ```bash
@@ -104,6 +104,8 @@ The 4 packages currently here are:
 2. ripple-binary-codec - A library for serializing and deserializing transactions for the ledger.
 3. ripple-keypairs - A library for generating and using cryptographic keypairs.
 4. ripple-address-codec - A library for encoding and decoding XRP Ledger addresses and seeds.
+5. isomorphic - A collection of isomorphic implementations of crypto and utility functions.
+6. secret-numbers - Generate XRPL Accounts with a number-based secret: 8 chunks of 6 digits.
 
 Each package has it's own README which dives deeper into what it's main purpose is, and the core functionality it offers.
 They also run tests independently as they were originally in separate repositories.

README.md

@@ -19,13 +19,13 @@ See the full reference documentation for all classes, methods, and utilities.
 4. Subscribing to changes in the ledger ([Ex. ledger, transactions, & more...](https://xrpl.org/subscribe.html))
 5. Parsing ledger data into more convenient formats ([`xrpToDrops`](https://js.xrpl.org/functions/xrpToDrops.html) and [`rippleTimeToISOTime`](https://js.xrpl.org/functions/rippleTimeToISOTime.html))
 
-All of which works in Node.js (tested for v16+) & web browsers (tested for Chrome).
+All of which works in Node.js (tested for v18+) & web browsers (tested for Chrome).
 
 # Quickstart
 
 ### Requirements
 
-+ **[Node.js v16](https://nodejs.org/)** is recommended. We also support v18 and v20. Other versions may work but are not frequently tested.
++ **[Node.js v18](https://nodejs.org/)** is recommended. We also support v20. Other versions may work but are not frequently tested.
 
 ### Installing xrpl.js
 
@@ -56,7 +56,7 @@ async function main() {
   });
   console.log(response);
 
-  client.disconnect();
+  await client.disconnect();
 }
 main();
 ```