Create usd_prices table

alembic/versions/d540242ae368_create_usd_prices_table.py

@@ -0,0 +1,30 @@
+"""Create usd_prices table
+
+Revision ID: d540242ae368
+Revises: 04a3bb3740c3
+Create Date: 2021-11-18 04:30:06.802857
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+
+# revision identifiers, used by Alembic.
+revision = "d540242ae368"
+down_revision = "2c90b2b8a80b"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        "usd_prices",
+        sa.Column("timestamp", sa.TIMESTAMP),
+        sa.Column("usd_price", sa.Numeric, nullable=False),
+        sa.Column("token_address", sa.String(256), nullable=False),
+        sa.PrimaryKeyConstraint("token_address", "timestamp"),
+    )
+
+
+def downgrade():
+    op.drop_table("usd_prices")