fixturenet-optimism

Instructions to setup and deploy an end-to-end L1+L2 stack with fixturenet-eth (L1) and Optimism (L2)

We support running just the L2 part of stack, given an external L1 endpoint. Follow the L2 only doc for the same.

Setup

Clone required repositories:

laconic-so --stack fixturenet-optimism setup-repositories

# If this throws an error as a result of being already checked out to a branch/tag in a repo, remove the repositories mentioned below and re-run the command

Build the container images:

laconic-so --stack fixturenet-optimism build-containers

Note: this will take >10 mins depending on the specs of your machine, and requires 16GB of memory or greater.

This should create the required docker images in the local image registry:

cerc/go-ethereum
cerc/lighthouse
cerc/fixturenet-eth-geth
cerc/fixturenet-eth-lighthouse
cerc/foundry
cerc/optimism-contracts
cerc/optimism-l2geth
cerc/optimism-op-node
cerc/optimism-op-batcher
cerc/optimism-op-proposer

Deploy

Deploy the stack:

laconic-so --stack fixturenet-optimism deploy up

The fixturenet-optimism-contracts service takes a while to complete running as it:

waits for the 'Merge' to happen on L1
waits for a finalized block to exist on L1 (so that it can be taken as a starting block for roll ups)
deploys the L1 contracts It may restart a few times after running into errors.

To list and monitor the running containers:

laconic-so --stack fixturenet-optimism deploy ps

# With status
docker ps

# Check logs for a container
docker logs -f <CONTAINER_ID>

Clean up

Stop all services running in the background:

laconic-so --stack fixturenet-optimism deploy down 30

Clear volumes created by this stack:

# List all relevant volumes
docker volume ls -q --filter "name=.*l1_deployment|.*l2_accounts|.*l2_config|.*l2_geth_data"

# Remove all the listed volumes
docker volume rm $(docker volume ls -q --filter "name=.*l1_deployment|.*l2_accounts|.*l2_config|.*l2_geth_data")

Troubleshooting

If op-geth service aborts or is restarted, the following error might occur in the op-node service:

WARN [02-16|21:22:02.868] Derivation process temporary error       attempts=14 err="stage 0 failed resetting: temp: failed to find the L2 Heads to start from: failed to fetch L2 block by hash 0x0000000000000000000000000000000000000000000000000000000000000000: failed to determine block-hash of hash 0x0000000000000000000000000000000000000000000000000000000000000000, could not get payload: not found"

This means that the data directory that op-geth is using is corrupted and needs to be reinitialized; the containers op-geth, op-node and op-batcher need to be started afresh:

WARNING: This will reset the L2 chain; consequently, all the data on it will be lost
- Stop and remove the concerned containers:
```
# List the containers
docker ps -f "name=op-geth|op-node|op-batcher"

# Force stop and remove the listed containers
docker rm -f $(docker ps -qf "name=op-geth|op-node|op-batcher")
```
- Remove the concerned volume:
```
# List the volume
docker volume ls -q --filter name=l2_geth_data

# Remove the listed volume
docker volume rm $(docker volume ls -q --filter name=l2_geth_data)
```
- Re-run the deployment command used in Deploy to restart the stopped containers

Known Issues

Resource requirements (memory + time) for building the cerc/foundry image are on the higher side
- cerc/optimism-contracts image is currently based on cerc/foundry (Optimism requires foundry installation)

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