This is a walk-through for how to perform the optional upgrade of the xxnetwork-chain binary to the latest version as of July 14, 2022, version 0.2.4,
Releases are located at …
The substrate architecture allows splitting the logic that governs the blockchain state transitions (runtime) from everything else necessary for the blockchain node (networking, database, execution, mempool, collectively we refer to this as the client).
The binary contains both the client and the (native) runtime. However, the runtime is also stored on chain in a version compiled to WASM. This is the one that every validator in the network executes when processing transactions and blocks. This means that anytime a new runtime is released, we release a binary containing its native version (compiled from rust to the target architecture) but also we upgrade the runtime on chain. This means that you don’t need to update the node binary in order to keep executing the new runtimes as they are upgraded on chain.
It is recommended to use the latest binary for sync purposes, since the native Runtime can be faster than the WASM one, however it’s not strictly necessary for node operators to upgrade the binary. Mandatory upgrades are denoted as such in the release notes, and this is usually only done if there are client side changes to the binary.
This is not a mandatory upgrade.
This walk-through assumes the node and gateway computers were configured per the Node Handbook
The entire process shouldn’t take a novice Linux user more than 10-15 minutes.
If you’re not familiar with Linux, I suggest you proceed through the steps in the order they appear.
Sample output is provided for commands that generate output to assist but some sample output will not be exactly as shown.
Please review the following process at least once to get a feel of what is required.
The xxnetwork-chain v0.2.4 Binary Upgrade Procedure:
Step 1: On BOTH computers get the current version of the xxnetwork-chain binary by running the following command.
$ /opt/xxnetwork/bin/xxnetwork-chain --version xxnetwork-chain 0.2.3-6f32766-x86_64-macos
If the previous command returns
xxnetwork-chain 0.2.4-9ff6c85-x86_64-linux-gnu, then you should not continue. You are running the latest version.
Step 2: Stop all of the xx network services on BOTH computers:
2a. On the NODE computer run …
$ sudo systemctl stop xxnetwork-cmix $ sudo systemctl stop xxnetwork-chain
2b. On the GATEWAY computer …
$ sudo systemctl stop xxnetwork-gateway $ sudo systemctl stop xxnetwork-chain
Step 3: Run the following series of commands as they appear on BOTH the node and gateway computers:
3a. Change to the directory where the xx network binaries are located …
$ cd /opt/xxnetwork/bin
3b. Backup the existing xxnetwork-chain binary …
$ mv -v xxnetwork-chain xxnetwork-chain.bak renamed 'xxnetwork-chain' -> 'xxnetwork-chain.bak'
3c. Download version 0.2.4 of the xxnetwork-chain binary …
$ curl -L -O https://github.com/xx-labs/xxchain/releases/download/v0.2.4/xxnetwork-chain % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 100 76.3M 100 76.3M 0 0 11.7M 0 0:00:06 0:00:06 --:--:-- 14.0M
3d. Verify the checksum of the xxnetwork-chain binary …
$ sha256sum xxnetwork-chain e7d72e972ecb0424f7414902a8c6bfb817dde57b58021ae6c9bd3c7f02a51fb7 xxnetwork-chain
The output above is the unique checksum for the 0.2.4 binary file and must be e7d72e972ecb0424f7414902a8c6bfb817dde57b58021ae6c9bd3c7f02a51fb7. If anything else is returned, the download may have failed and you likely just need to re-run the
curl command. If it still does not match after trying to download again, please stop and ask for assistance here or on the xx Network Discord Server.
3e. Make the xxnetwork-chain binary executionable …
$ chmod -v +x xxnetwork-chain mode of 'xxnetwork-chain' changed from 0664 (rw-rw-r--) to 0775 (rwxrwxr-x)
3f. Ensure the downloaded binary is version 0.2.4 …
$ /opt/xxnetwork/bin/xxnetwork-chain --version xxnetwork-chain 0.2.4-9ff6c85-x86_64-linux-gnu
3g. Start the xxnetwork-chain service …
$ sudo systemctl start xxnetwork-chain
3h. Check the chain.log to ensure the process is running and is synced …
$ tail -F /opt/xxnetwork/log/chain.log
Depending on how log the previous steps took to complete, you may need to wait a few minutes before you see the desired messages. You want to ensure you see
✨ Imported and
💤 Idle messages scrolling by like so …
2022-06-17 08:17:42 💤 Idle (27 peers), best: #3024475 (0x6436…3523), finalized #3024472 (0xce9e…ab5b), ⬇ 235.9kiB/s ⬆ 487.7kiB/s 2022-06-17 08:17:22 💤 Idle (27 peers), best: #3024472 (0xce9e…ab5b), finalized #3024470 (0x8c4e…c457), ⬇ 291.2kiB/s ⬆ 543.4kiB/s 2022-06-17 08:17:24 ✨ Imported #3024473 (0x6b42…7d67) 2022-06-17 08:17:27 💤 Idle (27 peers), best: #3024473 (0x6b42…7d67), finalized #3024471 (0x7669…21b0), ⬇ 296.4kiB/s ⬆ 590.6kiB/s 2022-06-17 08:17:32 💤 Idle (27 peers), best: #3024473 (0x6b42…7d67), finalized #3024471 (0x7669…21b0), ⬇ 289.6kiB/s ⬆ 509.9kiB/s 2022-06-17 08:17:36 ✨ Imported #3024474 (0xf3c8…8490) 2022-06-17 08:17:37 💤 Idle (27 peers), best: #3024474 (0xf3c8…8490), finalized #3024472 (0xce9e…ab5b), ⬇ 598.2kiB/s ⬆ 622.8kiB/s 2022-06-17 08:17:42 ✨ Imported #3024475 (0x65ae…b01c)
Step 4: Start the gateway and cmix services:
4a. On the GATEWAY computer …
$ sudo systemctl start xxnetwork-gateway
4b. On the NODE computer …
$ sudo systemctl start xxnetwork-cmix
That completes the steps required to upgrade the xxnetwork-chain binary to version 0.2.4.
To check the status of the xx network services you can run …
$ systemctl status xxnetwork-*
To check the xx network processes are running you can run …
$ ps -A | grep xxn
All logs related to xx network are located in
Feel free to ask for assistance here or on the xx Network Discord Server.
Thanks for running a node!