43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
"""Add block sync
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Revision ID: 7e8d7626e38f
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Revises: cd2052be6db2
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Create Date: 2020-09-26 11:12:27.818524
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"""
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from alembic import op
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision = '7e8d7626e38f'
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down_revision = 'cd2052be6db2'
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branch_labels = None
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depends_on = None
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def upgrade():
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op.create_table(
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'block_sync',
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sa.Column('id', sa.Integer, primary_key=True),
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sa.Column('blockchain', sa.String, nullable=False, unique=True),
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sa.Column('height_backlog', sa.Integer, nullable=False, default=0),
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sa.Column('height_session', sa.Integer, nullable=False, default=0),
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sa.Column('height_head', sa.Integer, nullable=False, default=0),
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sa.Column('date_created', sa.DateTime, nullable=False),
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sa.Column('date_updated', sa.DateTime),
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)
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op.drop_table('watcher_state')
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pass
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def downgrade():
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op.drop_table('block_sync')
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op.create_table(
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'watcher_state',
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sa.Column('block_number', sa.Integer)
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)
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conn = op.get_bind()
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conn.execute('INSERT INTO watcher_state (block_number) VALUES (0);')
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pass
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