[EASY] lowercase queries and cleanup leftover correction (#449)

This PR switches the convention for sql queries to always use lowercase
for keywords and also removes outdated fix.

---------

Co-authored-by: Felix Henneke <[email protected]>

.github/workflows/pull-request.yaml

@@ -30,3 +30,16 @@ jobs:
           NETWORK: 'mainnet'
           NODE_URL: https://rpc.ankr.com/eth
           PAYOUTS_SAFE_ADDRESS: '0x0000000000000000000000000000000000000000'
+
+  sqlfluff:
+    name: SQLFluff
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.12"
+      - name: Install SQLFluff
+        run: pip install sqlfluff
+      - name: Run SQLFluff
+        run: sqlfluff lint queries/

queries/.sqlfluff

@@ -0,0 +1,4 @@
+[sqlfluff]
+dialect = postgres
+exclude_rules = L046, RF02, RF06, CP02
+max_line_length = 0

queries/orderbook/.sqlfluff

@@ -0,0 +1,5 @@
+[sqlfluff:templater:jinja:context]
+start_block=100
+end_block=100000000
+EPSILON_LOWER=10000000000000000
+EPSILON_UPPER=12000000000000000