BitSong
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From v0.8.0 to v0.10.0
This guide is exclusively for Validators and Node Operators, please pay Maximum attention and Perform a backup before upgrading!

Stop of the node

The node will automatically stop at block height 4566000 approximately at 2022-02-08 13:12:07 UTC. The log file will indicate that in order to continue, you must replace the bitsongd binary. At that point you can finish the bitsongd process.
sudo systemctl stop bitsongd
sudo systemctl disable bitsongd

Backup

In the event that the update is unsuccessful, you will need to restore the previous status and install a future patch (example 0.8.1).
In order to perform the backup, you just need to copy the content present on the home directory of go-bitsong, in this case ~/.bitsongd
Remember to have at least 50% free disk space
cp -Rv ~/.bitsongd ~/backup_bitsongd_080
This operation should take 5/10 minutes, however, in the event that you're using low performance servers, the process might take up to 30/40 minutes.

Install golang 1.17.x

The upgrade to 0.10.0 requires a version of golang-1.17.x
wget -q -O - https://git.io/vQhTU | bash -s -- --version 1.17.6

Replace bitsongd

First of all we need to make sure we're using the 0.8.0 version
bitsongd version
# 0.8.0
We should get the 0.8.0 version
At this point we have to download and compile the new binary bitsongd 0.10.0
cd ~
rm -rf go-bitsong # (only in the event that a previous directory is already present)
git clone https://github.com/bitsongofficial/go-bitsong.git
cd go-bitsong
git checkout v0.10.0
make install
The make install command will compile and install the new binary.
Let's check if the binary was properly updated
bitsongd version
# 0.10.0
If we get the answer 0.10.0 the process was successffully executed and we can proceed to restart the node.

Start bitsongd

sudo systemctl enable bitsongd
sudo systemctl start bitsongd
At this point the node will start performing the update of all the existing modules. Keep into consideration that the operation might take up to 30 minutes.
To view the logs:
sudo journalctl -u bitsongd -f
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Stop of the node
Backup
Install golang 1.17.x
Replace bitsongd
Start bitsongd