testnet-ops/nitro-bridge-setup/README.md
2024-09-05 17:36:51 +05:30

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# nitro-bridge-setup
## Setup Ansible
To get started, follow the [installation](../README.md#installation) guide to setup ansible on your machine
## Run nitro bridge
The following commands have to be executed in [`nitro-bridge-setup`](./) directory
- Copy the `bridge-vars-example.yml` vars file
```bash
cp bridge-vars-example.yml bridge-vars.yml
```
- Edit [`bridge-vars.yml`](./bridge-vars.yml) and fill in the following values
```bash
# L1 WS endpoint
nitro_l1_chain_url: ""
# L2 WS endpoint
nitro_l2_chain_url: ""
# Private key for the bridge's nitro address
nitro_sc_pk: ""
# Private key for a funded account on L1
# This account should have tokens for funding Nitro channels
nitro_chain_pk: ""
# L1 chain ID (Sepolia: 11155111)
geth_chain_id: "11155111"
# L1 RPC endpoint
geth_url: ""
# L2 RPC endpoint
optimism_url: ""
# Private key for a funded account on L1 to use for contracts deployment on L1
geth_deployer_pk: ""
# Private key for a funded account on L2 to use for contracts deployment on L2
# Use the same account for L1 and L2 deployments
optimism_deployer_pk: ""
```
- To run the nitro bridge, execute the `run-nitro-bridge.yml` Ansible playbook by running the following command.
NOTE: By default, deployments are created in the `nitro-nodes-setup/out` directory. To change this location, update the `nitro_directory` variable in the [setup-vars.yml](./setup-vars.yml) file.
```bash
LANG=en_US.utf8 ansible-playbook -i localhost, --connection=local run-nitro-bridge.yml --extra-vars='{ "target_host": "localhost"}' --user $USER -kK
```
- For skipping container build, run with `"skip_container_build" : true` in the `--extra-vars` parameter:
```bash
LANG=en_US.utf8 ansible-playbook -i localhost, --connection=local run-nitro-bridge.yml --extra-vars='{ "target_host": "localhost", "skip_container_build": true }' --user $USER -kK
```
## Check Deployment Status
- Run the following command in the directory where the bridge-deployment is created:
- Check logs for deployments:
```bash
# Check the l2 nitro contract deployments
laconic-so deployment --dir bridge-deployment logs l2-nitro-contracts -f
# Check the logs, ensure that the node is running
laconic-so deployment --dir bridge-deployment logs nitro-bridge -f
```
## Get Contract Addresses
- Run the following commands in the directory where the deployments are created:
- Get addresses of L1 nitro contracts:
```bash
laconic-so deployment --dir nitro-contracts-deployment exec nitro-contracts "cat /app/deployment/nitro-addresses.json"
```
- Get addresses of L2 nitro contracts:
```bash
laconic-so deployment --dir bridge-deployment exec nitro-bridge "cat /app/deployment/nitro-addresses.json"
```