#Join the Public Testnet

You need to install okbc before you go further

#Supported Platforms

We support running a full node on Mac OS X, Windows and Linux.

#Minimum System Requirements

The hardware must meet certain requirements to run okbchaind.

For node requirement details, please visit Node Requirement

#Setting Up a New Node

These instructions are for setting up a brand new full node from scratch.

First, initialize the node and create the necessary config files:

okbchaind init <your_custom_moniker> --chain-id okbchaintest-195

NOTE: Monikers can contain only ASCII characters. Using Unicode characters will render your node unreachable.

You can edit this moniker later, in the ~/.okbchaind/config/config.toml file:

# A custom human readable name for this node
moniker = "<your_custom_moniker>"

You can edit the ~/.okbchaind/config/okbchaind.toml file in order to enable the anti spam mechanism and reject incoming transactions with less than the minimum gas prices:

# This is a TOML config file.
# For more information, see https://github.com/toml-lang/toml

##### main base config options #####

# The minimum gas prices a validator is willing to accept for processing a
# transaction. A transaction's fees must meet the minimum of any denomination
# specified in this config (Our recommended quantity is  10^-9 okb).

minimum-gas-prices = ""

Your full node has been initialized!

#Genesis & Seeds

#Copy the Genesis File

Fetch the testnet's genesis.json file into okbchaind's config directory.

To verify the correctness of the configuration run:

okbchaind start --chain-id okbchaintest-195

#Add Seed Nodes

Your node needs to know how to find peers. You'll need to add healthy seed nodes to $HOME/.okbchaind/config/config.toml.

You can add seeds in the ~/.okbchaind/config/config.toml file:

# Comma separated list of seed nodes to connect to
seeds = "[email protected]:26656"

or add the seed node by flag when start node

[email protected]1:26656

For more information on seeds and peers, you can read this.

#Starting a New Node

Start the full node with this command:

okbchaind start --chain-id okbchaintest-195

Check that everything is running smoothly:

okbchaincli status

#JSON-RPC Endpoint

RPC URL

#Upgrading Your Node

These instructions are for full nodes that have ran on previous versions of and would like to upgrade to the latest testnet.

#Software Upgrade

Now it is time to upgrade the software:

git clone https://github.com/okx/okbchain.git
cd okbchain
git fetch --all && git checkout dev
make install
# start your node with the new version
okbchaind start --chain-id okbchaintest-195

NOTE: If you have issues at this step, please check that you have the latest stable version of GO installed.

Note we use dev here since it contains the latest stable release. See the OKBC release page for details on each release.

Your full node has been cleanly upgraded!

#Join the Public Testnet With Docker

#Run OKBC testnet fullnode with docker

#1. Download the docker image

docker pull okbchain/fullnode-testnet:latest

#2. Set the data directory

Download the testnet snapshot from here, and unzip it into a data directory ${DATA_DIR}.

#3. Run docker container

docker run -d --name okbchain-testnet-fullnode -v ${DATA_DIR}:/root/.okbchaind/data/ -p 8545:8545 okbchain/fullnode-testnet:latest

Notice: ${DATA_DIR} has to be an absolute path

#4. View the running log

docker logs --tail 100 -f okbchain-testnet-fullnode

#5. Stop and restart the fullnode

• Stop

docker stop okbchain-testnet-fullnode

• Restart

docker start okbchain-testnet-fullnode

#6. RPC

When docker gets to the latest block, local RPC can be used：http://localhost:8545