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Add instructions on connecting to Postgres

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Luke Van Seters 2021-09-23 12:04:27 -04:00
parent 58a7409568
commit f2ce697175
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@ -87,6 +87,38 @@ And stop the listener with
kubectl exec deploy/mev-inspect-deployment -- /app/listener stop kubectl exec deploy/mev-inspect-deployment -- /app/listener stop
``` ```
## Exploring
All inspect output data is stored in Postgres.
To connect to the local Postgres database for querying, launch a client container with:
```
kubectl run -i --rm --tty postgres-client --env="PGPASSWORD=password" --image=jbergknoff/postgresql-client -- mev_inspect --host=postgresql --user=postgres
```
When you see the prompt
```
mev_inspect=#
```
You're ready to query!
Try finding the total number of swaps decoded with UniswapV3Pool
```
SELECT COUNT(*) FROM swaps WHERE abi_name='UniswapV3Pool';
```
or top 10 arbs by gross profit that took profit in WETH
```
SELECT *
FROM arbitrages
WHERE profit_token_address = '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2'
ORDER BY profit_amount DESC
LIMIT 10;
```
Postgres tip: Enter `\x` to enter "Explanded display" mode which looks nicer for results with many columns
## Contributing ## Contributing
### Guide ### Guide
@ -150,3 +182,13 @@ docker compose down
``` ```
Then go through the steps in the current README for kube setup Then go through the steps in the current README for kube setup
### Error from server (AlreadyExists): pods "postgres-client" already exists
This means the postgres client container didn't shut down correctly
Delete this one with
```
kubectl delete pod/postgres-client
```
Then start it back up again