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README.MD

Lambda Network Testnet

Official Guide

Visit Lambda

Minimum Requirements

  • 4 or more physical CPU cores
  • At least 500GB of SSD disk storage
  • At least 32GB of memory (RAM)
  • At least 100mbps network bandwidth

Auto Install (Option 1)

wget -O lambda.sh https://raw.githubusercontent.com/Agus1224/NODE_TESTNET/main/LAMBDA/lambda.sh && chmod +x lambda.sh && ./lambda.sh

Manual Installation (Option 2)

Setting up vars

Here you have to put name of your moniker (validator) that will be visible in explorer

NODENAME=<YOUR_MONIKER>

Change : <YOUR_MONIKER> To your node moniker whatever u like

Save and import variables into system

echo "export NODENAME=$NODENAME" >> $HOME/.bash_profile
if [ ! $WALLET ]; then
	echo "export WALLET=wallet" >> $HOME/.bash_profile
fi
echo "export LAMBDA_CHAIN_ID=lambdatest_92001-1" >> $HOME/.bash_profile
source $HOME/.bash_profile

Update packages

sudo apt update && sudo apt upgrade -y

Install dependencies

sudo apt install curl build-essential git wget jq make gcc tmux chrony -y

Install go

if ! [ -x "$(command -v go)" ]; then
  ver="1.18.2"
  cd $HOME
  wget "https://golang.org/dl/go$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" >> ~/.bash_profile
  source ~/.bash_profile
fi

Download and build binaries

git clone https://github.com/LambdaIM/lambdavm.git
cd lambdavm
make build
sudo cp $HOME/lambdavm/build/lambdavm /usr/local/bin

Config app

lambdavm config chain-id $LAMBDA_CHAIN_ID
lambdavm config keyring-backend file

Init app

lambdavm init $NODENAME --chain-id $LAMBDA_CHAIN_ID

Download genesis

wget https://raw.githubusercontent.com/LambdaIM/testnets/main/lambdatest_92001-1/genesis.json
mv genesis.json ~/.lambdavm/config/

Set seeds and peers

SEEDS="[email protected]:26656"
PEERS="[email protected]:26656"
sed -i -e "s/^seeds *=.*/seeds = \"$SEEDS\"/; s/^persistent_peers *=.*/persistent_peers = \"$PEERS\"/" $HOME/.lambdavm/config/config.toml

Set minimum gas price and timeout commit

sed -i -e "s/^timeout_commit *=.*/timeout_commit = \"2s\"/" $HOME/.lambdavm/config/config.toml
sed -i -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.0001ulamb\"/" $HOME/.lambdavm/config/app.toml

Create Service

sudo tee /etc/systemd/system/lambdavm.service > /dev/null <<EOF
[Unit]
Description=lambdavm
After=network-online.target

[Service]
User=$USER
ExecStart=$(which lambdavm) start --home $HOME/.lambdavm
Restart=on-failure
RestartSec=3
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF

Register and start service

sudo systemctl daemon-reload
sudo systemctl enable lambdavm
sudo systemctl restart lambdavm && sudo journalctl -u lambdavm -f -o cat

After install please Load Variable! (Post Installation)

source $HOME/.bash_profile

Check info Sync

Note : You have to synced to the lastest block , check the sync status with this command

lambdavm status 2>&1 | jq .SyncInfo

Create Wallet

Create validator wallet using this command, Dont forget to save the Mnemonic!

NOTE : it is recommended to use wallet you fill in the form

lambdavm keys add $WALLET

(OPTIONAL) To recover using your previous saved wallet

lambdavm keys add $WALLET --recover

To get current list of wallet

lambdavm keys list --keyring-backend file

To get private key of validator wallet (SAVE IT SOMEWHERE SAFE!)

lambdavm keys export $WALLET --unarmored-hex --unsafe

Safe wallet Info

LAMBDA_WALLET_ADDRESS=$(lambdavm keys show $WALLET -a)
LAMBDA_VALOPER_ADDRESS=$(lambdavm keys show $WALLET --bech val -a)
echo 'export LAMBDA_WALLET_ADDRESS='${LAMBDA_WALLET_ADDRESS} >> $HOME/.bash_profile
echo 'export LAMBDA_VALOPER_ADDRESS='${LAMBDA_VALOPER_ADDRESS} >> $HOME/.bash_profile
source $HOME/.bash_profile

Create Validator

Before creating validator please make sure you have the funds already in your wallet To check wallet balance :

lambdavm query bank balances $LAMBDA_WALLET_ADDRESS

To create a validator with 1 LAMB delegation use this command below :

lambdavm tx staking create-validator \
  --amount=1000000000000000000ulamb \
  --pubkey=$(lambdavm tendermint show-validator) \
  --moniker=$NODENAME \
  --chain-id=$LAMBDA_CHAIN_ID \
  --commission-rate="0.05" \
  --commission-max-rate="0.20" \
  --commission-max-change-rate="0.01" \
  --min-self-delegation="1000000" \
  --gas="300000" \
  --gas-prices="0.025ulamb" \
  --from=$WALLET \
  --identity=<your_keybase_id> \
  --website="<your_website>" \
  --details="<your_validator_description>" \
  --broadcast-mode block

ETC

To unjail your validator use this command

lambdavm tx slashing unjail \
  --broadcast-mode=block \
  --from=$WALLET \
  --chain-id=$LAMBDA_CHAIN_ID \
  --fees=5000ulamb \
  --gas=500000

Staking, Delegation and Rewards

  • Delegate stake
lambdavm tx staking delegate $LAMBDA_VALOPER_ADDRESS 10000000ulamb --from=$WALLET --chain-id=$LAMBDA_CHAIN_ID --gas=auto
  • Redelegate stake from validator to another validator
lambdavm tx staking redelegate <srcValidatorAddress> <destValidatorAddress> 10000000ulamb --from=$WALLET --chain-id=$LAMBDA_CHAIN_ID --gas=auto
  • Withdraw all rewards
lambdavm tx distribution withdraw-all-rewards --from=$WALLET --chain-id=$LAMBDA_CHAIN_ID --gas=auto
  • Withdraw rewards with commision
lambdavm tx distribution withdraw-rewards $LAMBDA_VALOPER_ADDRESS --from=$WALLET --commission --chain-id=$LAMBDA_CHAIN_ID

Monitoring your validator

Check TX HASH ( Which is your txhash from the transaction

lambdavm query tx <txhash>

If the transaction was correct you should instantly become part of the validators set. Check your pubkey first:

lambdavm tendermint show-validator

You will see a key there, you can identify your node among other validators using that key:

lambdavm query tendermint-validator-set

Check your validator key

[[ $(lambdavm q staking validator $HYPERSIGN_VALOPER_ADDRESS -oj | jq -r .consensus_pubkey.key) = $(hid-noded status | jq -r .ValidatorInfo.PubKey.value) ]] && echo -e "\n\e[1m\e[32mTrue\e[0m\n" || echo -e "\n\e[1m\e[31mFalse\e[0m\n"

Get list of validators

  • For Active Validators
lambdavm q staking validators -o json --limit=3000 \
| jq '.validators[] | select(.status=="BOND_STATUS_BONDED")' \
| jq -r '.tokens + " - " + .description.moniker' \
| sort -gr | nl
  • For Inactive Validators
lambdavm q staking validators -o json --limit=3000 \
| jq '.validators[] | select(.status=="BOND_STATUS_UNBONDED")' \
| jq -r '.tokens + " - " + .description.moniker' \
| sort -gr | nl

Useful Commands

Check Logs

journalctl -fu lambdavm -o cat

Start Service

sudo systemctl start lambdavm

Stop Service

sudo systemctl stop lambdavm

Restart Service

sudo systemctl restart lambdavm

Node Info

Synchronization info

lambdavm status 2>&1 | jq .SyncInfo

Validator Info

lambdavm status 2>&1 | jq .ValidatorInfo

Node Info

lambdavm status 2>&1 | jq .NodeInfo

Delete Node Permanently (Backup your Private key first if you wanna migrate !!)

sudo systemctl stop lambdavm
sudo systemctl disable lambdavm
sudo rm /etc/systemd/system/lambdavm* -rf
sudo rm $(which lambdavm) -rf
sudo rm $HOME/.lambdavm -rf
sudo rm $HOME/lambdavm -rf
sudo rm -rf lambda.sh
sed -i '/lambda