0G DA Node

Please do this step after you have completed Validator Node, Storage and KV.

0G DA Node Setup

# Current version used in doc
Binary: server
Version: 1.1.2
Service Name: 0gda.service

⚙️ Hardware Requirement

- Memory: 16 GB
- CPU: 8 cores
- Disk: 1 TB NVME SSD
- Bandwidth: 100 MBps for Download / Upload

Install dependencies

sudo apt-get update
sudo apt-get install pkg-config
sudo apt-get install libssl-dev
sudo apt-get install protobuf-compiler
sudo apt-get install clang
sudo apt-get install llvm llvm-dev

Installation

You might encounter an error during compiling. We will use 0xQuark's method to solve the issue.

# clone official DA node repo
git clone https://github.com/0glabs/0g-da-node.git
# checkout to latest branch
git checkout tags/v1.1.2 -b v1.1.2
# compile server binanry
cargo build --release

(Optional) Change paramenter in build.rs if error is encounted during cargo build

sed -i '/\.protoc_arg("--experimental_allow_proto3_optional")/d' /root/0g-da-node/grpc/build.rs

Download pre-built parameters

# run download param script
$HOME/0g-da-node/dev_support/download_params.sh

Create a copy of config.toml file

cp $HOME/0g-da-node/config_example.toml $HOME/0g-da-node/config.toml

Set 0G DA node variables

# pull variables
JSON_PORT=$(sed -n '/\[json-rpc\]/,/^address/ s/address = "0.0.0.0:\([0-9]*\)".*/\1/p' $HOME/.0gchain/config/app.toml)
ETH_RPC_ENDPOINT=http://$(wget -qO- eth0.me):$JSON_PORT
SOCKET_ADDRESS=http://$(wget -qO- eth0.me):34000

# print variables
echo JSON PORT:$JSON_PORT
echo ETH_RPC_ENDPOINT:$ETH_RPC_ENDPOINT
echo SOCKET_ADDRESS:$SOCKET_ADDRESS

Export private key temporary

PRIVATE_KEY=$(0gchaind keys unsafe-export-eth-key $WALLET_NAME)
echo $PRIVATE_KEY

[IMPORTANT] Generate BLS key for 0G DA node

remember to save this key as you will be submitting the key to smart contract and will require it to run DA node

# generate new BLS key
cd $HOME/0g-da-node
cargo run --bin key-gen

#copy the BLS key generated and paste here to set key for next step
read -sp "Enter your extracted bls private key: " BLS_PRIVATE_KEY && echo

Configure config.toml with variables set

sed -i "s|eth_rpc_endpoint = .*|eth_rpc_endpoint = \"$ETH_RPC_ENDPOINT\"|" $HOME/0g-da-node/config.toml
sed -i "s|socket_address = .*|socket_address = \"$SOCKET_ADDRESS\"|" $HOME/0g-da-node/config.toml
sed -i "s|da_entrance_address = .*|da_entrance_address = \"0x857C0A28A8634614BB2C96039Cf4a20AFF709Aa9\"|" $HOME/0g-da-node/config.toml
sed -i "s|start_block_number = .*|start_block_number = 940000|" $HOME/0g-da-node/config.toml
sed -i "s|signer_bls_private_key = .*|signer_bls_private_key = \"$BLS_PRIVATE_KEY\"|" $HOME/0g-da-node/config.toml
sed -i "s|signer_eth_private_key = .*|signer_eth_private_key = \"$PRIVATE_KEY\"|" $HOME/0g-da-node/config.toml

Create 0gda service to run in the background

sudo tee /etc/systemd/system/0gda.service > /dev/null <<EOF
[Unit]
Description=DA Node
After=network.target
[Service]
User=$HOME
WorkingDirectory=$HOME/0g-da-node/target/release
ExecStart=$HOME/0g-da-node/target/release/server --config $HOME/0g-da-node/config.toml
Restart=on-failure
RestartSec=10
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF

Start 0G DA Node

sudo systemctl daemon-reload && \
sudo systemctl enable 0gda && \
sudo systemctl start 0gda && \
sudo journalctl -u 0gda -f -o cat

Stop 0G DA node

sudo systemctl stop 0gda

Check 0G DA Logs

sudo journalctl -u 0gda -f -o cat

Log examples

2024-07-31T03:34:24.845407Z  INFO chain_state::da_handler: checking da entrance logs from 468665 to 468665 block..
2024-07-31T03:34:29.868067Z  INFO chain_state::da_handler: checking da entrance logs from 468666 to 468666 block..
2024-07-31T03:34:34.906116Z  INFO chain_state::da_handler: checking da entrance logs from 468667 to 468667 block..
2024-07-31T03:34:39.928655Z  INFO chain_state::da_handler: checking da entrance logs from 468668 to 468668 block..
2024-07-31T03:34:50.031114Z  INFO chain_state::da_handler: checking da entrance logs from 468669 to 468669 block..
2024-07-31T03:34:55.136151Z  INFO chain_state::da_handler: checking da entrance logs from 468670 to 468670 block..
2024-07-31T03:35:00.178691Z  INFO chain_state::da_handler: checking da entrance logs from 468671 to 468671 block..
2024-07-31T03:35:00.186358Z  INFO chain_state::da_handler: new file found, epoch: 81, quorum_id: 0, data_root: [B, 39, D1, 35, BF, 3B, 55, C9, 30, 13, 78, 53, D, 5, 8, C4, 90, 28, C7, 6E, 8A, 2F, 98, DD, 85, FF, 9A, 1, 29, D9, 1C, 84]
2024-07-31T03:35:10.263287Z  INFO chain_state::da_handler: checking da entrance logs from 468672 to 468672 block..
2024-07-31T03:35:15.295832Z  INFO chain_state::da_handler: checking da entrance logs from 468673 to 468673 block..
2024-07-31T03:35:17.616324Z  INFO grpc::service: Received request remote_addr=Some(13.208.209.200:53686)
2024-07-31T03:35:17.622721Z  INFO grpc::service: used 5 ms to deserialize 1 slices.
2024-07-31T03:35:17.685958Z  INFO grpc::service: used 62 ms to verify 1 slices.
2024-07-31T03:35:17.693743Z  INFO grpc::service: responsed in 77 ms
2024-07-31T03:35:20.320293Z  INFO chain_state::da_handler: checking da entrance logs from 468674 to 468674 block..
2024-07-31T03:35:30.367462Z  INFO chain_state::da_handler: checking da entrance logs from 468675 to 468675 block..
2024-07-31T03:35:35.448298Z  INFO chain_state::da_handler: checking da entrance logs from 468676 to 468676 block..
2024-07-31T03:36:26.126599Z  INFO chain_state::da_handler: checking da entrance logs from 468684 to 468684 block..

Congratulation you have completed the 0G DA node and we will move on to create DA Client Node