🐳Docker

Authors: [ Ankur | Dapplooker]

System Requirements

CPU
OS
RAM
DISK

4 vCPU

Ubuntu 22.04

16 GB

500 GB (SSD)

The Gravity node has a size of 407 GB on 20, February , 2025.

Pre-requisite

Before starting, clean the setup then update and upgrade. Install following:

  • Docker

  • Git

  • Go v1.23+

  • Ethereum Mainnet RPC

  • Ethereum Beacon Chain RPC

Commands

sudo apt update -y && sudo apt upgrade -y && sudo apt auto-remove -y
sudo apt install docker.io git ufw -y jq -y

Firewall Settings

Set explicit default UFW rules

sudo ufw default deny incoming
sudo ufw default allow outgoing

Allow SSH, HTTP, and HTTPS

sudo ufw allow 22/tcp
sudo ufw allow 80
sudo ufw allow 443

Allow Remote connection

sudo ufw allow from ${REMOTE.HOST.IP} to any port 8545

Setup Instructions 

docker run -d --name gravity_alpha_mainnet \
    -v ~/gravity/arbitrum:/home/user/.arbitrum \
    -p 0.0.0.0:8547:8547 \
    -p 0.0.0.0:8548:8548 \
    offchainlabs/nitro-node:v3.5.1-8f247fd \
    --parent-chain.connection.url=<ethereum_mainnet_rpc> \
    --chain.id=1625 \
    --chain.name=conduit-orbit-deployer \
    --http.api=net,web3,eth \
    --http.corsdomain="*" \
    --http.addr=0.0.0.0 \
    --http.vhosts="*" \
    --chain.info-json='[
        {
            "chain-id":1625,
            "parent-chain-id":1,
            "chain-name":"conduit-orbit-deployer",
            "chain-config":{
                "chainId":1625,
                "homesteadBlock":0,
                "daoForkBlock":null,
                "daoForkSupport":true,
                "eip150Block":0,
                "eip150Hash":"0x0000000000000000000000000000000000000000000000000000000000000000",
                "eip155Block":0,
                "eip158Block":0,
                "byzantiumBlock":0,
                "constantinopleBlock":0,
                "petersburgBlock":0,
                "istanbulBlock":0,
                "muirGlacierBlock":0,
                "berlinBlock":0,
                "londonBlock":0,
                "clique":{"period":0,"epoch":0},
                "arbitrum":{
                    "EnableArbOS":true,
                    "AllowDebugPrecompiles":false,
                    "DataAvailabilityCommittee":true,
                    "InitialArbOSVersion":11,
                    "InitialChainOwner":"0xd65776c5F9fA552cB5C9556B3e86bF6c376b233b",
                    "GenesisBlockNum":0
                }
            },
            "rollup":{
                "bridge":"0x7983403dDA368AA7d67145a9b81c5c517F364c42",
                "inbox":"0x7AD2a94BefF3294a31894cFb5ba4206957a53c19",
                "sequencer-inbox":"0x8D99372612e8cFE7163B1a453831Bc40eAeb3cF3",
                "rollup":"0xf993AF239770932A0EDaB88B6A5ba3708Bd58239",
                "validator-utils":"0x2b0E04Dc90e3fA58165CB41E2834B44A56E766aF",
                "validator-wallet-creator":"0x9CAd81628aB7D8e239F1A5B497313341578c5F71",
                "deployed-at":19898364
            }
        }
    ]' \
    --node.data-availability.enable \
    --node.data-availability.rest-aggregator.enable \
    --node.data-availability.rest-aggregator.urls=https://das-gravity-mainnet-0.t.conduit.xyz \
    --execution.forwarding-target=https://rpc.gravity.xyz \
    --node.feed.input.url=wss://relay-gravity-mainnet-0.t.conduit.xyz \
    --parent-chain.blob-client.beacon-url=<ethereum_beacon_chain_rpc> \
    --validation.wasm.enable-wasmroots-check=false \
    --execution.caching.archive

Note

The above command, we are using chain name and chain info obtained from conduit by:

curl https://api.conduit.xyz/file/v1/arbitrum/chaininfo/gravity-mainnet-0

Relay endpoint is provided by Conduit as wss://relay-gravity-mainnet-0.t.conduit.xyz

Gravity Alpha Mainnet is using Anytrust DA, the aggregator URL is:

https://das-gravity-mainnet-0.t.conduit.xyz

Monitor Logs

Monitor Logs of Docker Container 

docker ps 
docker logs  gravity_alpha_mainet

Sync Status

Run a query to check the latest synchronized L2 block:

curl -H "Content-Type: application/json" -X POST --data '{"jsonrpc":"2.0","method":"eth_blockNumber",
"params":[],"id":83}' http://localhost:8547

Response should look like:

{"jsonrpc":"2.0","id":83,"result":"0x78811a"}

REFERENCES

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