Elys

Installation

# install dependencies, if needed
sudo apt update && sudo apt upgrade -y
sudo apt install curl git wget htop tmux build-essential jq make lz4 gcc unzip -y

# install go, if needed
cd $HOME
VER="1.21.3"
wget "https://golang.org/dl/go$VER.linux-amd64.tar.gz"
sudo rm -rf /usr/local/go
sudo tar -C /usr/local -xzf "go$VER.linux-amd64.tar.gz"
rm "go$VER.linux-amd64.tar.gz"
[ ! -f ~/.bash_profile ] && touch ~/.bash_profile
echo "export PATH=$PATH:/usr/local/go/bin:~/go/bin" >> ~/.bash_profile
source $HOME/.bash_profile
[ ! -d ~/go/bin ] && mkdir -p ~/go/bin

# set vars
echo "export WALLET="wallet"" >> $HOME/.bash_profile
echo "export MONIKER="test"" >> $HOME/.bash_profile
echo "export ELYS_CHAIN_ID="elysicstestnet-1"" >> $HOME/.bash_profile
echo "export ELYS_PORT="38"" >> $HOME/.bash_profile
source $HOME/.bash_profile

# download binary
cd $HOME
rm -rf bin
mkdir bin && cd bin
wget https://github.com/elys-network/elys/releases/download/v2.0.0-rc2/elysd-v2.0.0-rc2-linux-amd64.tar.gz
tar -xvf elysd-v2.0.0-rc2-linux-amd64.tar.gz
chmod +x $HOME/bin/elysd
sudo mv $HOME/bin/elysd $HOME/go/bin

# config and init app
elysd init $MONIKER --chain-id $ELYS_CHAIN_ID
sed -i \
-e "s/chain-id = .*/chain-id = \"${ELYS_CHAIN_ID}\"/" \
-e "s/keyring-backend = .*/keyring-backend = \"os\"/" \
-e "s/node = .*/node = \"tcp:\/\/localhost:${ELYS_PORT}657\"/" $HOME/.elys/config/client.toml

# download genesis and addrbook
wget -O $HOME/.elys/config/genesis.json https://server-4.itrocket.net/testnet/elys/genesis.json
wget -O $HOME/.elys/config/addrbook.json  https://server-4.itrocket.net/testnet/elys/addrbook.json

# set seeds and peers
SEEDS="ae7191b2b922c6a59456588c3a262df518b0d130@elys-testnet-seed.itrocket.net:38656"
PEERS="0977dd5475e303c99b66eaacab53c8cc28e49b05@elys-testnet-peer.itrocket.net:38656"
sed -i -e "/^\[p2p\]/,/^\[/{s/^[[:space:]]*seeds *=.*/seeds = \"$SEEDS\"/}" \
       -e "/^\[p2p\]/,/^\[/{s/^[[:space:]]*persistent_peers *=.*/persistent_peers = \"$PEERS\"/}" $HOME/.elys/config/config.toml

# set custom ports in app.toml
sed -i.bak -e "s%:1317%:${ELYS_PORT}317%g;
s%:8080%:${ELYS_PORT}080%g;
s%:9090%:${ELYS_PORT}090%g;
s%:9091%:${ELYS_PORT}091%g;
s%:8545%:${ELYS_PORT}545%g;
s%:8546%:${ELYS_PORT}546%g;
s%:6065%:${ELYS_PORT}065%g" $HOME/.elys/config/app.toml

# set custom ports in config.toml file
sed -i.bak -e "s%:26658%:${ELYS_PORT}658%g;
s%:26657%:${ELYS_PORT}657%g;
s%:6060%:${ELYS_PORT}060%g;
s%:26656%:${ELYS_PORT}656%g;
s%^external_address = \"\"%external_address = \"$(wget -qO- eth0.me):${ELYS_PORT}656\"%;
s%:26660%:${ELYS_PORT}660%g" $HOME/.elys/config/config.toml

# config pruning
sed -i -e "s/^pruning *=.*/pruning = \"custom\"/" $HOME/.elys/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"100\"/" $HOME/.elys/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"19\"/" $HOME/.elys/config/app.toml

# set minimum gas price, enable prometheus and disable indexing
sed -i 's|minimum-gas-prices =.*|minimum-gas-prices = "0.0003uelys,0.001ibc/F082B65C88E4B6D5EF1DB243CDA1D331D002759E938A0F5CD3FFDC5D53B3E349,0.001ibc/C4CFF46FD6DE35CA4CF4CE031E643C8FDC9BA4B99AE598E9B0ED98FE3A2319F9"|g' $HOME/.elys/config/app.toml
sed -i -e "s/prometheus = false/prometheus = true/" $HOME/.elys/config/config.toml
sed -i -e "s/^indexer *=.*/indexer = \"null\"/" $HOME/.elys/config/config.toml

# create service file
sudo tee /etc/systemd/system/elysd.service > /dev/null <<EOF
[Unit]
Description=Elys node
After=network-online.target
[Service]
User=$USER
WorkingDirectory=$HOME/.elys
ExecStart=$(which elysd) start --minimum-gas-prices="0.0018ibc/2180E84E20F5679FCC760D8C165B60F42065DEF7F46A72B447CFF1B7DC6C0A65,0.00025ibc/E2D2F6ADCC68AA3384B2F5DFACCA437923D137C14E86FB8A10207CF3BED0C8D4,0.00025uelys" --home $HOME/.elys
Restart=on-failure
RestartSec=5
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF

# reset and download snapshot
elysd tendermint unsafe-reset-all --home $HOME/.elys
curl https://server-4.itrocket.net/testnet/elys/null | lz4 -dc - | tar -xf - -C $HOME/.elys

# enable and start service
sudo systemctl daemon-reload
sudo systemctl enable elysd
sudo systemctl restart elysd && sudo journalctl -u elysd -fo cat

Create Wallet

# to create a new wallet, use the following command. don’t forget to save the mnemonic
elysd keys add $WALLET

# to restore exexuting wallet, use the following command
elysd keys add $WALLET --recover

# save wallet and validator address
WALLET_ADDRESS=$(elysd keys show $WALLET -a)
VALOPER_ADDRESS=$(elysd keys show $WALLET --bech val -a)
echo "export WALLET_ADDRESS="$WALLET_ADDRESS >> $HOME/.bash_profile
echo "export VALOPER_ADDRESS="$VALOPER_ADDRESS >> $HOME/.bash_profile
source $HOME/.bash_profile

# check sync status, once your node is fully synced, the output from above will print "false"
elysd status 2>&1 | jq

# before creating a validator, you need to fund your wallet and check balance
elysd query bank balances $WALLET_ADDRESS

Create Validator

cd $HOME
# Create validator.json file
echo "{\"pubkey\":{\"@type\":\"/cosmos.crypto.ed25519.PubKey\",\"key\":\"$(elysd comet show-validator | grep -Po '\"key\":\s*\"\K[^"]*')\"},
    \"amount\": \"1000000uelys\",
    \"moniker\": \"test\",
    \"identity\": \"\",
    \"website\": \"\",
    \"security\": \"\",
    \"details\": \"\",
    \"commission-rate\": \"0.1\",
    \"commission-max-rate\": \"0.2\",
    \"commission-max-change-rate\": \"0.01\",
    \"min-self-delegation\": \"1\"
}" > validator.json
# Create a validator using the JSON configuration
elysd tx staking create-validator validator.json \
    --from $WALLET \
    --chain-id elysicstestnet-1 \
  --gas auto --gas-adjustment 1.5 --fees 300uelys