Approximate hardware requirements :
1) Auto_install script
Copy source <( curl -s https://raw.githubusercontent.com/111STAVR111/props/refs/heads/main/C4E/c4 )
2) Manual installation
Preparing the server
Copy sudo apt update && sudo apt upgrade -y
sudo apt install curl tar wget clang pkg-config libssl-dev jq build-essential bsdmainutils git make ncdu gcc git jq chrony liblz4-tool -y
GO 1.21.6
Copy ver = "1.21.6"
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$ver.linux-amd64.tar.gz"
echo "export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin" >> $HOME /.bash_profile
source $HOME /.bash_profile
go version
Build 10.10.24
Copy cd $HOME && mkdir $HOME /go/bin/
git clone https://github.com/chain4energy/c4e-chain
cd c4e-chain
git checkout v1.4.3
make install
c4ed version --long | grep -e commit -e version
commit: 608c6c21f7c12f7d5bcbfb8e045aa1b6cfb8fe1b
Initiation
Copy c4ed init STAVR_guide --chain - id = perun - 1
c4ed config chain - id perun - 1
Create/recover wallet
Copy c4ed keys add < walletnam e >
OR
c4ed keys add < walletnam e > --recover
Download Genesis
Copy wget -L -O $HOME /.c4e-chain/config/genesis.json https://server-1.stavr.tech/Mainnet/C4e/genesis.json
sha256sum $HOME/.c4e-chain/config/genesis.json
6c736993a681a6759d3ec41550995fe04f48dd332d03375d879f3b464c6ceabf
Set up the minimum gas price and Peers/Seeds/Filter peers/MaxPeers
Copy sed -i -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0uc4e\"/" $HOME /.c4e-chain/config/app.toml
sed -i -e "s/^filter_peers *=.*/filter_peers = \"true\"/" $HOME /.c4e-chain/config/config.toml
external_address = $( wget -qO- eth0.me )
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME /.c4e-chain/config/config.toml
peers = ""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME /.c4e-chain/config/config.toml
seeds = ""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME /.c4e-chain/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME /.c4e-chain/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME /.c4e-chain/config/config.toml
Pruning (optional)
Copy pruning = "custom"
pruning_keep_recent = "1000"
pruning_keep_every = "0"
pruning_interval = "100"
sed -i -e "s/^pruning *=.*/pruning = \"$pruning\"/" $HOME /.c4e-chain/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME /.c4e-chain/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME /.c4e-chain/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME /.c4e-chain/config/app.toml
Indexer (optional)
Copy indexer = "null" &&
sed -i -e "s/^indexer *=.*/indexer = \"$indexer\"/" $HOME /.c4e-chain/config/config.toml
Download addrbook
Copy wget -O $HOME /.c4e-chain/config/addrbook.json "https://server-1.stavr.tech/Mainnet/C4e/addrbook.json"
Create a service file
Copy sudo tee /etc/systemd/system/c4ed.service > /dev/null << EOF
[Unit]
Description=c4e
After=network-online.target
[Service]
User=$USER
ExecStart=$( which c4ed) start
Restart=on-failure
RestartSec=3
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF
StateSync C4E Mainnet
Copy systemctl stop c4ed
SNAP_RPC = https://c4e.rpc.m.stavr.tech:443
LATEST_HEIGHT = $( curl -s $SNAP_RPC /block | jq -r .result.block.header.height ); \
BLOCK_HEIGHT = $(( LATEST_HEIGHT - 1000 )); \
TRUST_HASH = $( curl -s "$SNAP_RPC/block?height=$BLOCK_HEIGHT" | jq -r .result.block_id.hash )
echo $LATEST_HEIGHT $BLOCK_HEIGHT $TRUST_HASH
sed -i.bak -E "s|^(enable[[:space:]]+=[[:space:]]+).*$|\1true| ; \
s|^(rpc_servers[[:space:]]+=[[:space:]]+).*$|\1\"$SNAP_RPC,$SNAP_RPC\"| ; \
s|^(trust_height[[:space:]]+=[[:space:]]+).*$|\1$BLOCK_HEIGHT| ; \
s|^(trust_hash[[:space:]]+=[[:space:]]+).*$|\1\"$TRUST_HASH\"| ; \
s|^(seeds[[:space:]]+=[[:space:]]+).*$|\1\"\"|" $HOME /.c4e-chain/config/config.toml
c4ed tendermint unsafe-reset-all --home /root/.c4e-chain
wget -O $HOME /.c4e-chain/config/addrbook.json "https://server-1.stavr.tech/Mainnet/C4e/addrbook.json"
sudo systemctl restart c4ed && journalctl -fu c4ed -o cat
SnapShot Mainnet updated every 5 hours
You can check the size and time of snapshot creation with this command
curl -sI https://server-1.stavr.tech/Mainnet/C4e/c4e-snap-1.tar.lz4 | grep "last" && curl -sI https://server-1.stavr.tech/Mainnet/C4e/c4e-snap-1.tar.lz4 | grep content-length | awk '{printf "%.2f GB\n", $2/1024/1024/1024}'
Copy cd $HOME
apt install lz4
sudo systemctl stop c4ed
cp $HOME /.c4e-chain/data/priv_validator_state.json $HOME /.c4e-chain/priv_validator_state.json.backup
rm -rf $HOME /.c4e-chain/data
LATEST_SNAPSHOT = $( curl -s https://server-1.stavr.tech/Mainnet/C4e/ | grep -oE 'c4e-snap-[0-9]+\.tar\.lz4' | while read SNAPSHOT ; do HEIGHT = $( curl -s "https://server-1.stavr.tech/Mainnet/C4e/${SNAPSHOT % .tar.lz4}-info.txt" | awk '/Block height:/ {print $3}' ); echo "$SNAPSHOT $HEIGHT" ; done | sort -k2 -nr | head -n 1 | awk '{print $1}' )
curl -o - -L https://server-1.stavr.tech/Mainnet/C4e/ $LATEST_SNAPSHOT | lz4 -c -d - | tar -x -C $HOME /.c4e-chain
mv $HOME /.c4e-chain/priv_validator_state.json.backup $HOME /.c4e-chain/data/priv_validator_state.json
wget -O $HOME /.c4e-chain/config/addrbook.json "https://server-1.stavr.tech/Mainnet/C4e/addrbook.json"
sudo systemctl restart c4ed && journalctl -fu c4ed -o cat
Start
Copy sudo systemctl daemon-reload
sudo systemctl enable c4ed
sudo systemctl restart c4ed && sudo journalctl -fu c4ed -o cat
Create validator
Copy c4ed tx staking create - validator \
--amount 1000000uc4e \
-- from < walletName > \
--commission - max - change - rate "0.1" \
--commission - max - rate "0.2" \
--commission - rate "0.1" \
-- min - self - delegation "1" \
--pubkey $(c4ed tendermint show - validator) \
--moniker STAVR_guide \
--chain - id perun - 1 \
--identity = "" \
--details = "" \
--website = "" - y
Monitoring
You can set up your node status alarm here - Monitoring
Security
You can create secure management of your wallet and your node by following this links.
TMKMS Wallet Security
Delete node
Copy sudo systemctl stop c4ed
sudo systemctl disable c4ed
rm /etc/systemd/system/c4ed.service
sudo systemctl daemon-reload
cd $HOME
rm -rf c4e-chain
rm -rf .c4e-chain
rm -rf $( which c4ed )