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# mainnet-eth
Mainnet Ethereum stack (experimental)
Deploys a "head-tracking" mainnet Ethereum stack comprising a [go-ethereum](https://github.com/cerc-io/go-ethereum) execution layer node and a [lighthouse](https://github.com/sigp/lighthouse) consensus layer node.
## Clone required repositories
@ -8,40 +8,97 @@ Mainnet Ethereum stack (experimental)
$ laconic-so --stack mainnet-eth setup-repositories
```
## Build the fixturenet-eth containers
## Build containers
```
$ laconic-so --stack mainnet-eth build-containers
```
This should create several container images in the local image registry:
* cerc/go-ethereum
* cerc/lighthouse
* cerc/fixturenet-eth-geth
* cerc/fixturenet-eth-lighthouse
## Create a deployment
```
$ laconic-so --stack mainnet-eth deploy create
$ laconic-so --stack mainnet-eth deploy init --output mainnet-eth-spec.yml
$ laconic-so deploy create --spec-file mainnet-eth-spec.yml --deployment-dir mainnet-eth-deployment
```
## Start the stack
```
$ laconic-so deployment --dir mainnet-eth-deployment start
```
Display stack status:
```
$ laconic-so deployment --dir mainnet-eth-deployment ps
Running containers:
id: f39608eca04d72d6b0f1f3acefc5ebb52908da06e221d20c7138f7e3dff5e423, name: laconic-ef641b4d13eb61ed561b19be67063241-foundry-1, ports:
id: 4052b1eddd886ae0d6b41f9ff22e68a70f267b2bfde10f4b7b79b5bd1eeddcac, name: laconic-ef641b4d13eb61ed561b19be67063241-mainnet-eth-geth-1-1, ports: 30303/tcp, 30303/udp, 0.0.0.0:49184->40000/tcp, 0.0.0.0:49185->6060/tcp, 0.0.0.0:49186->8545/tcp, 8546/tcp
id: ac331232e597944b621b3b8942ace5dafb14524302cab338ff946c7f6e5a1d52, name: laconic-ef641b4d13eb61ed561b19be67063241-mainnet-eth-lighthouse-1-1, ports: 0.0.0.0:49187->8001/tcp
```
See stack logs:
```
$ laconic-so deployment --dir mainnet-eth-deployment logs
time="2023-07-25T09:46:29-06:00" level=warning msg="The \"CERC_SCRIPT_DEBUG\" variable is not set. Defaulting to a blank string."
laconic-ef641b4d13eb61ed561b19be67063241-mainnet-eth-lighthouse-1-1 | Jul 25 15:45:13.362 INFO Logging to file path: "/var/lighthouse-data-dir/beacon/logs/beacon.log"
laconic-ef641b4d13eb61ed561b19be67063241-mainnet-eth-lighthouse-1-1 | Jul 25 15:45:13.365 INFO Lighthouse started version: Lighthouse/v4.1.0-693886b
laconic-ef641b4d13eb61ed561b19be67063241-mainnet-eth-lighthouse-1-1 | Jul 25 15:45:13.365 INFO Configured for network name: mainnet
laconic-ef641b4d13eb61ed561b19be67063241-mainnet-eth-lighthouse-1-1 | Jul 25 15:45:13.366 INFO Data directory initialised datadir: /var/lighthouse-data-dir
laconic-ef641b4d13eb61ed561b19be67063241-mainnet-eth-lighthouse-1-1 | Jul 25 15:45:13.366 INFO Deposit contract address: 0x00000000219ab540356cbb839cbe05303d7705fa, deploy_block: 11184524
laconic-ef641b4d13eb61ed561b19be67063241-mainnet-eth-lighthouse-1-1 | Jul 25 15:45:13.424 INFO Starting checkpoint sync remote_url: https://beaconstate.ethstaker.cc/, service: beacon
```
## Monitoring stack sync progress
Both go-ethereum and lighthouse will engage in an initial chain sync phase that will last up to several hours depending on hardware performance and network capacity.
Syncing can be monitored by looking for these log messages:
```
Jul 24 12:34:17.001 INFO Downloading historical blocks est_time: 5 days 11 hrs, speed: 14.67 slots/sec, distance: 6932481 slots (137 weeks 3 days), service: slot_notifier
INFO [07-24|12:14:52.493] Syncing beacon headers downloaded=145,920 left=17,617,968 eta=1h23m32.815s
INFO [07-24|12:33:15.238] Syncing: chain download in progress synced=1.86% chain=148.94MiB headers=368,640@95.03MiB bodies=330,081@40.56MiB receipts=330,081@13.35MiB eta=37m54.505s
INFO [07-24|12:35:13.028] Syncing: state download in progress synced=1.32% state=4.64GiB accounts=2,850,314@677.57MiB slots=18,663,070@3.87GiB codes=26662@111.14MiB eta=3h18m0.699s
```
Once synced up these log messages will be observed:
```
INFO Synced slot: 6952515, block: 0x5bcb…f6d9, epoch: 217266, finalized_epoch: 217264, finalized_root: 0x6342…2c5c, exec_hash: 0x8d8c…2443 (verified), peers: 31, service: slot_notifier
INFO [07-25|03:04:48.941] Imported new potential chain segment number=17,767,316 hash=84f6e7..bc2cb0 blocks=1 txs=137 mgas=16.123 elapsed=57.087ms mgasps=282.434 dirty=461.46MiB
INFO [07-25|03:04:49.042] Chain head was updated number=17,767,316 hash=84f6e7..bc2cb0 root=ca58b2..8258c1 elapsed=2.480111ms
```
## Clean up
Stop all services running in the background:
```bash
$ laconic-so deployment --dir <directory> down
Stop the stack:
```
Clear volumes created by this stack:
```bash
# List all relevant volumes
$ docker volume ls -q --filter "name=.*fixturenet_eth_bootnode_geth_data|.*fixturenet_eth_geth_1_data|.*fixturenet_eth_geth_2_data|.*fixturenet_eth_lighthouse_1_data|.*fixturenet_eth_lighthouse_2_data"
# Remove all the listed volumes
$ docker volume rm $(docker volume ls -q --filter "name=.*fixturenet_eth_bootnode_geth_data|.*fixturenet_eth_geth_1_data|.*fixturenet_eth_geth_2_data|.*fixturenet_eth_lighthouse_1_data|.*fixturenet_eth_lighthouse_2_data")
$ laconic-so deployment --dir mainnet-eth-deployment stop
```
This leaves data volumes in place, allowing the stack to be subsequently re-started.
To permanently *delete* the stack's data volumes run:
```
$ laconic-so deployment --dir mainnet-eth-deployment stop --delete-data-volumes
```
After deleting the volumes, any subsequent re-start will begin chain sync from cold.
## Data volumes
Container data volumes are bind-mounted to specified paths in the host filesystem.
The default setup (generated by `laconic-so deploy init`) places the volumes in the `./data` subdirectory of the deployment directory:
```
$ cat mainnet-eth-spec.yml
stack: mainnet-eth
volumes:
mainnet_eth_config_data: ./data/mainnet_eth_config_data
mainnet_eth_geth_1_data: ./data/mainnet_eth_geth_1_data
mainnet_eth_lighthouse_1_data: ./data/mainnet_eth_lighthouse_1_data
```
A synced-up stack will consume around 900GB of data volume space:
```
$ sudo du -h mainnet-eth-deployment/data/
150M mainnet-eth-deployment/data/mainnet_eth_lighthouse_1_data/beacon/freezer_db
25G mainnet-eth-deployment/data/mainnet_eth_lighthouse_1_data/beacon/chain_db
16K mainnet-eth-deployment/data/mainnet_eth_lighthouse_1_data/beacon/network
368M mainnet-eth-deployment/data/mainnet_eth_lighthouse_1_data/beacon/logs
26G mainnet-eth-deployment/data/mainnet_eth_lighthouse_1_data/beacon
26G mainnet-eth-deployment/data/mainnet_eth_lighthouse_1_data
8.0K mainnet-eth-deployment/data/mainnet_eth_config_data
4.0K mainnet-eth-deployment/data/mainnet_eth_geth_1_data/keystore
527G mainnet-eth-deployment/data/mainnet_eth_geth_1_data/geth/chaindata/ancient/chain
527G mainnet-eth-deployment/data/mainnet_eth_geth_1_data/geth/chaindata/ancient
859G mainnet-eth-deployment/data/mainnet_eth_geth_1_data/geth/chaindata
4.8M mainnet-eth-deployment/data/mainnet_eth_geth_1_data/geth/nodes
242M mainnet-eth-deployment/data/mainnet_eth_geth_1_data/geth/ethash
669M mainnet-eth-deployment/data/mainnet_eth_geth_1_data/geth/triecache
860G mainnet-eth-deployment/data/mainnet_eth_geth_1_data/geth
860G mainnet-eth-deployment/data/mainnet_eth_geth_1_data
885G mainnet-eth-deployment/data/
```