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README.md

l2-setup

Setup Ansible

To get started, follow the installation guide to setup ansible on your machine

Setup Remote Hosts

To run the playbooks on a remote machine, follow these steps:

In the l2-setup directory, create a new file named hosts.ini:
```
cp ../example-hosts.ini hosts.ini
```
Edit the hosts.ini file to run the playbook on a remote machine
```
[nitro_host]
hostname ansible_host= ansible_user= ansible_ssh_common_args='-o ForwardAgent=yes'
```
- Replace host_name with the alias of your choice.
- Replace <TARGET_IP> with the IP address or hostname of the target machine.
- Replace <SSH_USER> with the SSH username (e.g., dev, ubuntu).
Verify that you are able to connect to the host using the following command
```
ansible all -m ping -i hosts.ini
```

Setup and Run Optimism

The following commands have to be executed in l2-setup directory

Copy the l2-vars-example.yml vars file
```
cp l2-vars-example.yml l2-vars.yml
```

Edit l2-vars.yml with the required values

# L1 chain ID
l1_chain_id: ""

# L1 RPC endpoint
l1_rpc: ""

# L1 RPC endpoint host or IP address
l1_host: ""

# L1 RPC endpoint port number
l1_port: ""

# L1 Beacon endpoint
l1_beacon: ""

# Address of the funded account on L1
# Used for optimism contracts deployment
l1_address: ""

# Private key of the funded account on L1
l1_priv_key: ""

To setup and run L2, execute the run-optimism.yml Ansible playbook by running one of the following commands:
- For local deployment, specify the "target_host": localhost in the --extra-vars parameter:
```
LANG=en_US.utf8 ansible-playbook run-optimism.yml --extra-vars='{ "target_host": "localhost"}' -kK --user $USER
```
- For remote deployment, provide an inventory and specify the "target_host": nitro_host in the --extra-vars parameter:
```
LANG=en_US.utf8 ansible-playbook -i ./hosts.ini run-optimism.yml --extra-vars='{ "target_host": "nitro_host"}' -kK
```
  NOTE: By default, deployments are created in a out directory. To change this location, update the l2_directory variable in the setup-vars.yml file.
- For skipping container build, set "skip_container_build" : true in the --extra-vars parameter:
```
LANG=en_US.utf8 ansible-playbook -i ./hosts.ini run-optimism.yml --extra-vars='{"target_host" : "nitro_host", "skip_container_build": true}' -kK
```
To run using existing contracts deployment
- Update artifact_path in setup-vars.yml file with path to data directory of the existing deployment
- Run the ansible playbook with "existing_contracts_deployment": true in the --extra-vars parameter:
```
LANG=en_US.utf8 ansible-playbook -i ./hosts.ini run-optimism.yml --extra-vars='{"target_host" : "nitro_host", "existing_contracts_deployment":  true}' -kK
```

Check Deployment Status

Run the following command in the directory where the optimism-deployment is created

Follow optimism contracts deployment logs:

laconic-so deployment --dir optimism-deployment logs -f fixturenet-optimism-contracts

Check L2 logs:

laconic-so deployment --dir optimism-deployment logs -f op-geth

# Ensure new blocks are getting created