Added Ethereum Signature Database tables to database

Also cleaned up sample.env, renamed alembic.ini -> alembic.sample.ini

db/.gitignore

@@ -167,3 +167,5 @@ alembic.dev.ini
 alembic.prod.ini
 .db/
 .venv/
+.secrets/
+.moonstreamdb

db/alembic/env.py

@@ -17,7 +17,7 @@ fileConfig(config.config_file_name)
 # for 'autogenerate' support
 # from myapp import mymodel
 # target_metadata = mymodel.Base.metadata
-from db.models import Base as ExplorationBase
+from moonstreamdb.models import Base as ExplorationBase
 
 target_metadata = ExplorationBase.metadata
 
@@ -25,7 +25,7 @@ target_metadata = ExplorationBase.metadata
 # can be acquired:
 # my_important_option = config.get_main_option("my_important_option")
 # ... etc.
-from db.models import EthereumBlock, EthereumTransaction, EthereumPendingTransaction
+from moonstreamdb.models import EthereumBlock, EthereumTransaction, EthereumPendingTransaction, ESDEventSignature, ESDFunctionSignature
 
 
 def include_symbol(tablename, schema):
@@ -33,6 +33,8 @@ def include_symbol(tablename, schema):
         EthereumBlock.__tablename__,
         EthereumTransaction.__tablename__,
         EthereumPendingTransaction.__tablename__,
+        ESDEventSignature.__tablename__,
+        ESDFunctionSignature.__tablename__,
     }
 
 

db/alembic/versions/1e33c3d07306_added_tables_to_store_data_from_.py

@@ -0,0 +1,42 @@
+"""Added tables to store data from Ethereum Signature Database
+
+Revision ID: 1e33c3d07306
+Revises: aa903a90b8bf
+Create Date: 2021-07-27 00:04:31.042487
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '1e33c3d07306'
+down_revision = 'aa903a90b8bf'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('esd_event_signatures',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('text_signature', sa.Text(), nullable=False),
+    sa.Column('hex_signature', sa.VARCHAR(length=66), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text("TIMEZONE('utc', statement_timestamp())"), nullable=False),
+    sa.PrimaryKeyConstraint('id', name=op.f('pk_esd_event_signatures'))
+    )
+    op.create_table('esd_function_signatures',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('text_signature', sa.Text(), nullable=False),
+    sa.Column('hex_signature', sa.VARCHAR(length=10), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text("TIMEZONE('utc', statement_timestamp())"), nullable=False),
+    sa.PrimaryKeyConstraint('id', name=op.f('pk_esd_function_signatures'))
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('esd_function_signatures')
+    op.drop_table('esd_event_signatures')
+    # ### end Alembic commands ###

db/moonstreamdb/models.py

@@ -129,3 +129,33 @@ class EthereumPendingTransaction(Base):  # type: ignore
     indexed_at = Column(
         DateTime(timezone=True), server_default=utcnow(), nullable=False
     )
+
+
+class ESDFunctionSignature(Base):
+    """
+    Function signature from Ethereum Signature Database.
+    """
+
+    __tablename__ = "esd_function_signatures"
+
+    id = Column(Integer, primary_key=True)
+    text_signature = Column(Text, nullable=False)
+    hex_signature = Column(VARCHAR(10), nullable=False)
+    created_at = Column(
+        DateTime(timezone=True), server_default=utcnow(), nullable=False
+    )
+
+
+class ESDEventSignature(Base):
+    """
+    Function signature from Ethereum Signature Database.
+    """
+
+    __tablename__ = "esd_event_signatures"
+
+    id = Column(Integer, primary_key=True)
+    text_signature = Column(Text, nullable=False)
+    hex_signature = Column(VARCHAR(66), nullable=False)
+    created_at = Column(
+        DateTime(timezone=True), server_default=utcnow(), nullable=False
+    )

db/sample.env

@@ -1,2 +1 @@
-export EXPLORATION_DB_URI="<database_uri>"
-
+export EXPLORATION_DB_URI="postgresql://<username>:<password>@<db_host>:<db_port>/<db_name>"