feat: add alembic for punk snipes

alembic/versions/070819d86587_create_punk_snipe.py

@@ -0,0 +1,35 @@
+"""empty message
+
+Revision ID: 070819d86587
+Revises: d498bdb0a641
+Create Date: 2021-11-26 18:25:13.402822
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+
+# revision identifiers, used by Alembic.
+revision = "d498bdb0a641"
+down_revision = "205ce02374b3"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        "punk_snipes",
+        sa.Column("created_at", sa.TIMESTAMP, server_default=sa.func.now()),
+        sa.Column("block_number", sa.Numeric, nullable=False),
+        sa.Column("transaction_hash", sa.String(66), nullable=False),
+        sa.Column("trace_address", sa.String(256), nullable=False),
+        sa.Column("from_address", sa.String(256), nullable=False),
+        sa.Column("punk_index", sa.Numeric, nullable=False),
+        sa.Column("min_acceptance_price", sa.Numeric, nullable=False),
+        sa.Column("acceptance_price", sa.Numeric, nullable=False),
+        sa.PrimaryKeyConstraint("transaction_hash", "trace_address"),
+    )
+
+
+def downgrade():
+    op.drop_table("liquidations")