ChihuahuaChain

The Cosmos MEME Coin

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Node Installation

• Install Prerequisites

# update the local package list and install any available upgrades 
sudo apt-get update && sudo apt upgrade -y 

# install toolchain and ensure accurate time synchronization 
sudo apt-get install make build-essential gcc git jq chrony -y

• Install Go

# download the latest version
wget https://go.dev/dl/go1.19.linux-amd64.tar.gz

# remove old version (if any)
sudo rm -rf /usr/local/go

# install the new version
sudo tar -C /usr/local -xzf go1.19.linux-amd64.tar.gz

• Configure Environmental Variables

# run these commands
cat <<EOF >> ~/.profile
export GOROOT=/usr/local/go
export GOPATH=$HOME/go
export GO111MODULE=on
export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin
EOF

source ~/.profile

go version

The output should be go version go1.19 linux/amd64

• Install Chihuahua from sources

# run these commands
git clone https://github.com/ChihuahuaChain/chihuahua.git
cd chihuahua
git fetch --tags
git checkout v2.0.2
make install

To verify the installation you can run chihuahuad version and it should return v2.0.2

• Initialize the Chain

Replace $MONIKERNAME with your choosen node name

chihuahuad init $MONIKER_NAME --chain-id chihuahua-1

• Download the Genesis

wget -O ~/.chihuahua/config/genesis.json https://raw.githubusercontent.com/ChihuahuaChain/chihuahua/main/mainnet/genesis.json

• Add Seeds & Persistent Peers

seeds="4936e377b4d4f17048f8961838a5035a4d21240c@chihuahua-seed-01.mercury-nodes.net:29540"
peers="[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:29538,[email protected]:30758,[email protected]:26656,[email protected]:26656"
sed -i.bak -e "s/^seeds *=.*/seeds = \"$seeds\"/; s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" ~/.chihuahua/config/config.toml

• Update minimum-gas-price in app.toml

sed -i.bak 's/minimum-gas-prices =.*/minimum-gas-prices = "1uhuahua"/' $HOME/.chihuahua/config/app.toml

• Setting up Cosmovisor

Install cosmovisor

go install github.com/cosmos/cosmos-sdk/cosmovisor/cmd/[email protected]

which cosmovisor

# should return 
'/home/<your-user>/go/bin/cosmovisor'

# run these commands
cat <<EOF >> ~/.profile
export DAEMON_NAME=chihuahuad
export DAEMON_HOME=$HOME/.chihuahua
EOF

source ~/.profile

echo $DAEMON_NAME

# should return
'chihuahuad'

# create the directories
mkdir -p $DAEMON_HOME/cosmovisor/genesis/bin
mkdir -p $DAEMON_HOME/cosmovisor/upgrades

# check the binary path with
which chihuahuad

# this should return
'/home/your-user/go/bin/chihuahuad'

# copy the binary into
cp $(which chihuahuad) $DAEMON_HOME/cosmovisor/genesis/bin

Set up the service file

sudo nano /etc/systemd/system/chihuahuad.service

# paste and edit <your-user> with your username
[Unit]
Description=Chihuahua Daemon (cosmovisor)
After=network-online.target

[Service]
User=<your-user>
ExecStart=/home/<your-user>/go/bin/cosmovisor start
Restart=always
RestartSec=3
LimitNOFILE=4096
Environment="DAEMON_NAME=chihuahuad"
Environment="DAEMON_HOME=/home/<your-user>/.chihuahua"
Environment="DAEMON_ALLOW_DOWNLOAD_BINARIES=false"
Environment="DAEMON_RESTART_AFTER_UPGRADE=true"
Environment="DAEMON_LOG_BUFFER_SIZE=512"

[Install]
WantedBy=multi-user.target

Enable the service

sudo -S systemctl daemon-reload
sudo -S systemctl enable chihuahuad

Get the latest snapshot (Thanks to Polkachu) and follow the Pruning tips to save some GB

• Start the node

You can start the node by running

sudo systemctl start chihuahuad

# check the logs by running
journalctl -u chihuahuad -f

The node will take some time to catch-up with the blockchain. You can follow the blocks being indexed by running

journalctl -u chihuahuad -f | grep indexed

Join the Validators (mainnet)

ChihuahuaChain Governance voted a proposal enabling the minimum 5% Commission enforced by the blockchain.

# create a new wallet for the validator

chihuahuad keys add <key-name>

# save the seed phrase (mnemonic) in a safe place
# copy the 'chihuahua...' address and send some HUAHUA
# in order to pay for the validator creation's transaction

# Make sure the Validator has fully synced before running 
chihuahuad tx staking create-validator \
  --from "<key-name>" \
  --amount "1000000uhuahua" \
  --pubkey "$(chihuahuad tendermint show-validator)" \
  --chain-id "chihuahua-1" \
  --moniker "<moniker>" \
  --commission-max-change-rate 0.01 \
  --commission-max-rate 0.20 \
  --commission-rate 0.10 \
  --min-self-delegation 1 \
  --details "<details>" \
  --security-contact "<contact>" \
  --website "<website>" \
  --gas-prices "1uhuahua"
  
# Make sure to backup the priv_validator_key.json file in your
# /home/<your-user>/.chihuahua/config directory
# and store it in a safe place

Congratulation! Your Validator node should be up and running

Make sure to join our Discord and contact a moderator if you have a mainnet node so we can invite you to the validator's channel to follow up the latest updates and future upgrades.

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Chain Upgrades

• minpropdeposit (v2.0.2) - Block 3654321 - (2022-08-25 13:00:26)
  • Upgrade Instruction
• Chiwawasm (v2.0.1) - Block 3000800 - (2022-07-11 17:02:14)
  • Upgrade Instruction
• angryandy (v1.1.1) - Block 535000 - (2022-01-19 17:20:00)
  • Upgrade Instruction