Update cic-registry version, rename noop local script

Refactor import scripts

See merge request grassrootseconomics/cic-internal-integration!28

.gitlab-ci.yml

@@ -5,6 +5,7 @@ include:
   - local: 'apps/cic-ussd/.gitlab-ci.yml'
   - local: 'apps/cic-notify/.gitlab-ci.yml'
   - local: 'apps/cic-meta/.gitlab-ci.yml'
+  - local: 'apps/cic-cache/.gitlab-ci.yml'
 
 stages:
   - build

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "apps/cic-cache"]
-	path = apps/cic-cache
-	url = git@gitlab.com:grassrootseconomics/cic-cache.git

apps/cic-cache/.config/bancor.ini

@@ -0,0 +1,2 @@
+[bancor]
+dir =

apps/cic-cache/.config/cic.ini

@@ -0,0 +1,2 @@
+[cic]
+registry_address = 

apps/cic-cache/.config/database.ini

@@ -0,0 +1,8 @@
+[database]
+NAME=cic-eth
+USER=postgres
+PASSWORD=
+HOST=localhost
+PORT=5432
+ENGINE=postgresql
+DRIVER=psycopg2

apps/cic-cache/.config/eth.ini

@@ -0,0 +1,6 @@
+[eth]
+provider = ws://localhost:8545
+#ttp_provider = http://localhost:8545
+#provider = http://localhost:8545
+gas_provider_address = 
+#chain_id = 

apps/cic-cache/.config/test/bancor.ini

@@ -0,0 +1,2 @@
+[bancor]
+dir =

apps/cic-cache/.config/test/cic.ini

@@ -0,0 +1,2 @@
+[cic]
+registry_address = 

apps/cic-cache/.config/test/database.ini

@@ -0,0 +1,8 @@
+[database]
+NAME=cic-cache-test
+USER=postgres
+PASSWORD=
+HOST=localhost
+PORT=5432
+ENGINE=sqlite
+DRIVER=pysqlite

apps/cic-cache/.config/test/eth.ini

@@ -0,0 +1,5 @@
+[eth]
+#ws_provider = ws://localhost:8546
+#ttp_provider = http://localhost:8545
+provider = http://localhost:8545
+#chain_id = 

apps/cic-cache/.coveragerc

@@ -0,0 +1,5 @@
+[report]
+omit = 
+	.venv/*
+	scripts/*
+	cic_cache/db/postgres/*

apps/cic-cache/.envrc_example

@@ -0,0 +1,7 @@
+set -a
+CICTEST_DATABASE_ENGINE=postgresql
+CICTEST_DATABASE_DRIVER=psycopg2
+CICTEST_DATABASE_HOST=localhost
+CICTEST_DATABASE_PORT=5432
+CICTEST_DATABASE_NAME=cic-eth-test
+set +a

apps/cic-cache/.gitignore

@@ -0,0 +1,8 @@
+.envrc
+.envrc_dev
+.venv
+__pycache__
+*.pyc
+_build
+doc/**/*.png
+doc/**/html

apps/cic-cache/.gitlab-ci.yml

@@ -0,0 +1,22 @@
+.cic_cache_variables:
+    variables:
+        APP_NAME: cic-cache
+        DOCKERFILE_PATH: $APP_NAME/docker/Dockerfile
+
+.cic_cache_changes_target:
+    rules:
+        - changes:
+            - $CONTEXT/$APP_NAME/*
+
+build-mr-cic-cache:
+    extends:
+        - .cic_cache_changes_target
+        - .py_build_merge_request
+        - .cic_cache_variables
+
+build-push-cic-cache:
+    extends:
+        - .py_build_push
+        - .cic_cache_variables
+        
+

apps/cic-cache/CHANGELOG

@@ -0,0 +1,13 @@
+- 0.1.2
+	* Revert to alembic migrations
+- 0.1.1
+	* Add missing modules to setup 
+- 0.1.0
+	* Remove old APIs
+	* Add bloom filter output APIs for all txs and per-account txs
+- 0.0.2
+	* UWSGI server endpoint example
+	* OpenAPI spec
+	* stored procedures, test fixture for database schema
+- 0.0.1
+	* Add json translators of transaction_list and balances stored procedure queries

apps/cic-cache/cic_cache/__init__.py

@@ -0,0 +1 @@
+from .cache import BloomCache

apps/cic-cache/cic_cache/api.py

@@ -0,0 +1,73 @@
+"""API for cic-cache celery tasks
+
+.. moduleauthor:: Louis Holbrook <dev@holbrook.no>
+
+"""
+# standard imports
+import logging
+
+# third-party imports 
+import celery
+
+
+app = celery.current_app
+
+logg = logging.getLogger(__name__)
+
+
+class Api:
+    """Creates task chains to perform well-known CIC operations.
+
+    Each method that sends tasks returns details about the root task. The root task uuid can be provided in the callback, to enable to caller to correlate the result with individual calls. It can also be used to independently poll the completion of a task chain.
+
+    :param callback_param: Static value to pass to callback
+    :type callback_param: str
+    :param callback_task: Callback task that executes callback_param call. (Must be included by the celery worker)
+    :type callback_task: string
+    :param queue: Name of worker queue to submit tasks to
+    :type queue: str
+    """
+    def __init__(self, queue='cic-cache', callback_param=None, callback_task='cic_cache.callbacks.noop.noop', callback_queue=None):
+        self.callback_param = callback_param
+        self.callback_task = callback_task
+        self.queue = queue
+        logg.info('api using queue {}'.format(self.queue))
+        self.callback_success = None
+        self.callback_error = None
+        if callback_queue == None:
+            callback_queue=self.queue
+
+        if callback_param != None:
+            self.callback_success = celery.signature(
+                    callback_task,
+                    [
+                        callback_param,
+                        0,
+                        ],
+                    queue=callback_queue,
+                    )
+            self.callback_error = celery.signature(
+                    callback_task,
+                    [
+                        callback_param,
+                        1,
+                        ],
+                    queue=callback_queue,
+                    )       
+
+    def list(self, offset, limit, address=None):
+        s = celery.signature(
+        'cic_cache.tasks.tx.tx_filter',
+        [
+            0,
+            100,
+            address,
+            ],
+            queue=None
+        )
+        if self.callback_param != None:
+            s.link(self.callback_success).on_error(self.callback_error)
+
+        t = s.apply_async()
+
+        return t

apps/cic-cache/cic_cache/cache.py

@@ -0,0 +1,89 @@
+# standard imports
+import logging
+
+# third-party imports
+import moolb
+
+# local imports
+from cic_cache.db import list_transactions_mined
+from cic_cache.db import list_transactions_account_mined
+
+logg = logging.getLogger()
+
+
+class BloomCache:
+
+    def __init__(self, session):
+        self.session = session
+
+
+    @staticmethod
+    def __get_filter_size(n):
+        n = 8192 * 8
+        logg.warning('filter size hardcoded to {}'.format(n))
+        return n
+
+
+    def load_transactions(self, offset, limit):
+        """Retrieves a list of transactions from cache and creates a bloom filter pointing to blocks and transactions.
+
+        Block and transaction numbers are serialized as 32-bit big-endian numbers. The input to the second bloom filter is the concatenation of the serialized block number and transaction index.
+
+        For example, if the block number is 13 and the transaction index is 42, the input are:
+
+        block filter:       0x0d000000
+        block+tx filter:    0x0d0000002a0000000
+
+        :param offset: Offset in data set to return transactions from
+        :type offset: int
+        :param limit: Max number of transactions to retrieve
+        :type limit: int
+        :return: Lowest block, bloom filter for blocks, bloom filter for blocks|tx
+        :rtype: tuple
+        """
+        rows = list_transactions_mined(self.session, offset, limit) 
+
+        f_block = moolb.Bloom(BloomCache.__get_filter_size(limit), 3)
+        f_blocktx = moolb.Bloom(BloomCache.__get_filter_size(limit), 3)
+        highest_block = -1
+        lowest_block = -1
+        for r in rows:
+            if highest_block == -1:
+                highest_block = r[0]
+            lowest_block = r[0]
+            block = r[0].to_bytes(4, byteorder='big')
+            tx = r[1].to_bytes(4, byteorder='big')
+            f_block.add(block)
+            f_blocktx.add(block + tx)
+            logg.debug('added block {} tx {} lo {} hi {}'.format(r[0], r[1], lowest_block, highest_block))
+        return (lowest_block, highest_block, f_block.to_bytes(), f_blocktx.to_bytes(),)
+
+
+    def load_transactions_account(self, address, offset, limit):
+        """Same as load_transactions(...), but only retrieves transactions where the specified account address is sender or recipient.
+
+        :param address: Address to retrieve transactions for.
+        :type address: str, 0x-hex
+        :param offset: Offset in data set to return transactions from
+        :type offset: int
+        :param limit: Max number of transactions to retrieve
+        :type limit: int
+        :return: Lowest block, bloom filter for blocks, bloom filter for blocks|tx
+        :rtype: tuple
+        """
+        rows = list_transactions_account_mined(self.session, address, offset, limit) 
+
+        f_block = moolb.Bloom(BloomCache.__get_filter_size(limit), 3)
+        f_blocktx = moolb.Bloom(BloomCache.__get_filter_size(limit), 3)
+        highest_block = -1;
+        lowest_block = -1;
+        for r in rows:
+            if highest_block == -1:
+                highest_block = r[0]
+            lowest_block = r[0]
+            block = r[0].to_bytes(4, byteorder='big')
+            tx = r[1].to_bytes(4, byteorder='big')
+            f_block.add(block)
+            f_blocktx.add(block + tx)
+            logg.debug('added block {} tx {} lo {} hi {}'.format(r[0], r[1], lowest_block, highest_block))
+        return (lowest_block, highest_block, f_block.to_bytes(), f_blocktx.to_bytes(),)

apps/cic-cache/cic_cache/db/__init__.py

@@ -0,0 +1,35 @@
+# standard imports
+import logging
+
+# local imports
+from .list import list_transactions_mined
+from .list import list_transactions_account_mined
+from .list import add_transaction
+
+logg = logging.getLogger()
+
+
+def dsn_from_config(config):
+    scheme = config.get('DATABASE_ENGINE')
+    if config.get('DATABASE_DRIVER') != None:
+        scheme += '+{}'.format(config.get('DATABASE_DRIVER'))
+
+    dsn = ''
+    if config.get('DATABASE_ENGINE') == 'sqlite':
+        dsn = '{}:///{}'.format(
+                scheme,
+                config.get('DATABASE_NAME'),    
+            )
+
+    else:
+        dsn = '{}://{}:{}@{}:{}/{}'.format(
+                scheme,
+                config.get('DATABASE_USER'),
+                config.get('DATABASE_PASSWORD'),
+                config.get('DATABASE_HOST'),
+                config.get('DATABASE_PORT'),
+                config.get('DATABASE_NAME'),    
+            )
+    logg.debug('parsed dsn from config: {}'.format(dsn))
+    return dsn
+

apps/cic-cache/cic_cache/db/list.py

@@ -0,0 +1,79 @@
+# standard imports
+import logging
+import datetime
+
+# third-party imports
+from cic_cache.db.models.base import SessionBase
+
+logg = logging.getLogger()
+
+
+def list_transactions_mined(
+        session,
+        offset,
+        limit,
+        ):
+    """Executes db query to return all confirmed transactions according to the specified offset and limit.
+
+    :param offset: Offset in data set to return transactions from
+    :type offset: int
+    :param limit: Max number of transactions to retrieve
+    :type limit: int
+    :result: Result set
+    :rtype: SQLAlchemy.ResultProxy
+    """
+    s = "SELECT block_number, tx_index FROM tx ORDER BY block_number DESC, tx_index DESC LIMIT {} OFFSET {}".format(limit, offset)
+    r = session.execute(s)
+    return r
+
+
+def list_transactions_account_mined(
+        session,
+        address,
+        offset,
+        limit,
+        ):
+    """Same as list_transactions_mined(...), but only retrieves transaction where the specified account address is sender or recipient.
+
+    :param address: Address to retrieve transactions for.
+    :type address: str, 0x-hex
+    :param offset: Offset in data set to return transactions from
+    :type offset: int
+    :param limit: Max number of transactions to retrieve
+    :type limit: int
+    :result: Result set
+    :rtype: SQLAlchemy.ResultProxy
+    """
+    s = "SELECT block_number, tx_index FROM tx WHERE sender = '{}' OR recipient = '{}' ORDER BY block_number DESC, tx_index DESC LIMIT {} OFFSET {}".format(address, address, limit, offset)
+    r = session.execute(s)
+    return r
+
+
+def add_transaction(
+        session, tx_hash,
+        block_number,
+        tx_index,
+        sender,
+        receiver,
+        source_token,
+        destination_token,
+        from_value,
+        to_value,
+        success,
+        timestamp,
+        ):
+    date_block = datetime.datetime.fromtimestamp(timestamp)
+    s = "INSERT INTO tx (tx_hash, block_number, tx_index, sender, recipient, source_token, destination_token, from_value, to_value, success, date_block) VALUES ('{}', {}, {}, '{}', '{}', '{}', '{}', {}, {}, {}, '{}')".format(
+            tx_hash,
+            block_number,
+            tx_index,
+            sender,
+            receiver,
+            source_token,
+            destination_token,
+            from_value,
+            to_value,
+            success,
+            date_block,
+            )
+    session.execute(s)

apps/cic-cache/cic_cache/db/migrations/default/README

@@ -0,0 +1 @@
+Generic single-database configuration.

apps/cic-cache/cic_cache/db/migrations/default/alembic.ini

@@ -0,0 +1,86 @@
+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts
+script_location = .
+
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# timezone to use when rendering the date
+# within the migration file as well as the filename.
+# string value is passed to dateutil.tz.gettz()
+# leave blank for localtime
+# timezone =
+
+# max length of characters to apply to the
+# "slug" field
+# truncate_slug_length = 40
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+# set to 'true' to allow .pyc and .pyo files without
+# a source .py file to be detected as revisions in the
+# versions/ directory
+# sourceless = false
+
+# version location specification; this defaults
+# to ./versions.  When using multiple version
+# directories, initial revisions must be specified with --version-path
+# version_locations = %(here)s/bar %(here)s/bat ./versions
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+#sqlalchemy.url = driver://user:pass@localhost/dbname
+sqlalchemy.url = postgresql+psycopg2://postgres@localhost:5432/cic-cache
+
+
+[post_write_hooks]
+# post_write_hooks defines scripts or Python functions that are run
+# on newly generated revision scripts.  See the documentation for further
+# detail and examples
+
+# format using "black" - use the console_scripts runner, against the "black" entrypoint
+# hooks=black
+# black.type=console_scripts
+# black.entrypoint=black
+# black.options=-l 79
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

apps/cic-cache/cic_cache/db/migrations/default/env.py

@@ -0,0 +1,77 @@
+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+
+from alembic import context
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+target_metadata = None
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection, target_metadata=target_metadata
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

apps/cic-cache/cic_cache/db/migrations/default/script.py.mako

@@ -0,0 +1,24 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}

apps/cic-cache/cic_cache/db/migrations/default/versions/63b629f14a85_.py

@@ -0,0 +1,52 @@
+"""Base tables
+
+Revision ID: 63b629f14a85
+Revises: 
+Create Date: 2020-12-04 08:16:00.412189
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '63b629f14a85'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+            'tx',
+            sa.Column('id', sa.Integer, primary_key=True),
+            sa.Column('date_registered', sa.DateTime, nullable=False, server_default=sa.func.current_timestamp()),
+            sa.Column('block_number', sa.Integer, nullable=False),
+            sa.Column('tx_index', sa.Integer, nullable=False),
+            sa.Column('tx_hash', sa.String(66), nullable=False),
+            sa.Column('sender', sa.String(42), nullable=False),
+            sa.Column('recipient', sa.String(42), nullable=False),
+            sa.Column('source_token', sa.String(42), nullable=False),
+            sa.Column('destination_token', sa.String(42), nullable=False),
+            sa.Column('success', sa.Boolean, nullable=False),
+            sa.Column('from_value', sa.BIGINT(), nullable=False),
+            sa.Column('to_value', sa.BIGINT(), nullable=False),
+            sa.Column('date_block', sa.DateTime, nullable=False),
+            )
+    op.create_table(
+            'tx_sync',
+            sa.Column('id', sa.Integer, primary_key=True),
+            sa.Column('tx', sa.String(66), nullable=False),
+            )
+
+    op.execute("INSERT INTO tx_sync (tx) VALUES('0x0000000000000000000000000000000000000000000000000000000000000000');")
+
+    op.create_index('sender_token_idx', 'tx', ['sender', 'source_token'])
+    op.create_index('recipient_token_idx', 'tx', ['recipient', 'destination_token'])
+            
+
+def downgrade():
+    op.drop_index('recipient_token_idx')
+    op.drop_index('sender_token_idx')
+    op.drop_table('tx_sync')
+    op.drop_table('tx')

apps/cic-cache/cic_cache/db/models/base.py

@@ -0,0 +1,102 @@
+# stanard imports
+import logging
+
+# third-party imports
+from sqlalchemy import Column, Integer
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+logg = logging.getLogger()
+
+Model = declarative_base(name='Model')
+
+
+class SessionBase(Model):
+    """The base object for all SQLAlchemy enabled models. All other models must extend this.
+    """
+    __abstract__ = True
+ 
+    id = Column(Integer, primary_key=True)
+
+    engine = None
+    """Database connection engine of the running aplication"""
+    sessionmaker = None
+    """Factory object responsible for creating sessions from the  connection pool"""
+    transactional = True
+    """Whether the database backend supports query transactions. Should be explicitly set by initialization code"""
+    poolable = True
+    """Whether the database backend supports connection pools. Should be explicitly set by initialization code"""
+    procedural = True
+    """Whether the database backend supports stored procedures"""
+    localsessions = {}
+    """Contains dictionary of sessions initiated by db model components"""
+
+
+    @staticmethod
+    def create_session():
+        """Creates a new database session.
+        """
+        return SessionBase.sessionmaker()
+
+
+    @staticmethod
+    def _set_engine(engine):
+        """Sets the database engine static property
+        """
+        SessionBase.engine = engine
+        SessionBase.sessionmaker = sessionmaker(bind=SessionBase.engine)
+
+
+    @staticmethod
+    def connect(dsn, debug=False):
+        """Create new database connection engine and connect to database backend.
+
+        :param dsn: DSN string defining connection.
+        :type dsn: str
+        """
+        e = None
+        if SessionBase.poolable:
+            e = create_engine(
+                    dsn,
+                    max_overflow=50,
+                    pool_pre_ping=True,
+                    pool_size=20,
+                    pool_recycle=10,
+                    echo=debug,
+                )
+        else:
+            e = create_engine(
+                    dsn,
+                    echo=debug,
+                    )
+
+        SessionBase._set_engine(e)
+
+
+    @staticmethod
+    def disconnect():
+        """Disconnect from database and free resources.
+        """
+        SessionBase.engine.dispose()
+        SessionBase.engine = None
+
+
+    @staticmethod
+    def bind_session(session=None):
+        localsession = session
+        if localsession == None:
+            localsession = SessionBase.create_session()
+            localsession_key = str(id(localsession))
+            logg.debug('creating new session {}'.format(localsession_key))
+            SessionBase.localsessions[localsession_key] = localsession
+        return localsession
+
+
+    @staticmethod
+    def release_session(session=None):
+        session_key = str(id(session))
+        if SessionBase.localsessions.get(session_key) != None:
+            logg.debug('destroying session {}'.format(session_key))
+            session.commit()
+            session.close()

apps/cic-cache/cic_cache/runnable/server.py

@@ -0,0 +1,141 @@
+# standard imports
+import os
+import re
+import logging
+import argparse
+import json
+import base64
+
+# third-party imports
+import confini
+
+# local imports
+from cic_cache import BloomCache
+from cic_cache.db import dsn_from_config
+from cic_cache.db.models.base import SessionBase
+
+logging.basicConfig(level=logging.WARNING)
+logg = logging.getLogger()
+
+rootdir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
+dbdir = os.path.join(rootdir, 'cic_cache', 'db')
+migrationsdir = os.path.join(dbdir, 'migrations')
+
+config_dir = os.path.join('/usr/local/etc/cic-cache')
+
+argparser = argparse.ArgumentParser()
+argparser.add_argument('-c', type=str, default=config_dir, help='config file')
+argparser.add_argument('--env-prefix', default=os.environ.get('CONFINI_ENV_PREFIX'), dest='env_prefix', type=str, help='environment prefix for variables to overwrite configuration')
+argparser.add_argument('-v', action='store_true', help='be verbose')
+argparser.add_argument('-vv', action='store_true', help='be more verbose')
+args = argparser.parse_args()
+
+if args.vv:
+    logging.getLogger().setLevel(logging.DEBUG)
+elif args.v:
+    logging.getLogger().setLevel(logging.INFO)
+
+config = confini.Config(args.c, args.env_prefix)
+config.process()
+config.censor('PASSWORD', 'DATABASE')
+config.censor('PASSWORD', 'SSL')
+logg.debug('config:\n{}'.format(config))
+
+dsn = dsn_from_config(config)
+SessionBase.connect(dsn, config.true('DATABASE_DEBUG'))
+
+re_transactions_all_bloom = r'/tx/(\d+)?/?(\d+)/?'
+re_transactions_account_bloom = r'/tx/user/((0x)?[a-fA-F0-9]+)/?(\d+)?/?(\d+)/?'
+
+DEFAULT_LIMIT = 100
+
+
+def process_transactions_account_bloom(session, env):
+    r = re.match(re_transactions_account_bloom, env.get('PATH_INFO'))
+    if not r:
+        return None
+
+    address = r[1]
+    if r[2] == None:
+        address = '0x' + address
+    offset = DEFAULT_LIMIT
+    if r.lastindex > 2:
+        offset = r[3]
+    limit = 0
+    if r.lastindex > 3:
+        limit = r[4]
+
+    c = BloomCache(session)
+    (lowest_block, highest_block, bloom_filter_block, bloom_filter_tx) = c.load_transactions_account(address, offset, limit)
+
+    o = {
+        'alg': 'sha256',
+        'low': lowest_block,
+        'high': highest_block,
+        'block_filter': base64.b64encode(bloom_filter_block).decode('utf-8'),
+        'blocktx_filter': base64.b64encode(bloom_filter_tx).decode('utf-8'),
+        'filter_rounds': 3,
+            }
+
+    j = json.dumps(o)
+
+    return ('application/json', j.encode('utf-8'),)
+
+
+def process_transactions_all_bloom(session, env):
+    r = re.match(re_transactions_all_bloom, env.get('PATH_INFO'))
+    if not r:
+        return None
+
+    offset = DEFAULT_LIMIT
+    if r.lastindex > 0:
+        offset = r[1]
+    limit = 0
+    if r.lastindex > 1:
+        limit = r[2]
+
+    c = BloomCache(session)
+    (lowest_block, highest_block, bloom_filter_block, bloom_filter_tx) = c.load_transactions(offset, limit)
+
+    o = {
+        'alg': 'sha256',
+        'low': lowest_block,
+        'high': highest_block,
+        'block_filter': base64.b64encode(bloom_filter_block).decode('utf-8'),
+        'blocktx_filter': base64.b64encode(bloom_filter_tx).decode('utf-8'),
+        'filter_rounds': 3,
+            }
+
+    j = json.dumps(o)
+
+    return ('application/json', j.encode('utf-8'),)
+
+
+# uwsgi application
+def application(env, start_response):
+
+    headers = []
+    content = b''
+
+    session = SessionBase.create_session()
+    for handler in [
+            process_transactions_all_bloom,
+            process_transactions_account_bloom,
+            ]:
+        r = handler(session, env)
+        if r != None:
+            (mime_type, content) = r
+            break
+    session.close()
+
+    headers.append(('Content-Length', str(len(content))),)
+    headers.append(('Access-Control-Allow-Origin', '*',));
+
+    if len(content) == 0:
+        headers.append(('Content-Type', 'text/plain, charset=UTF-8',))
+        start_response('404 Looked everywhere, sorry', headers)
+    else:
+        headers.append(('Content-Type', mime_type,))
+        start_response('200 OK', headers)
+
+    return [content]

apps/cic-cache/cic_cache/runnable/tasker.py

@@ -0,0 +1,98 @@
+# standard imports
+import logging
+import os
+import sys
+import argparse
+
+# third-party imports
+import celery
+import confini
+
+# local imports
+from cic_cache.db import dsn_from_config
+from cic_cache.db.models.base import SessionBase
+from cic_cache.tasks.tx import *
+
+logging.basicConfig(level=logging.WARNING)
+logg = logging.getLogger()
+
+config_dir = os.path.join('/usr/local/etc/cic-cache')
+
+
+argparser = argparse.ArgumentParser()
+argparser.add_argument('-c', type=str, default=config_dir, help='config file')
+argparser.add_argument('-q', type=str, default='cic-cache', help='queue name for worker tasks')
+argparser.add_argument('--env-prefix', default=os.environ.get('CONFINI_ENV_PREFIX'), dest='env_prefix', type=str, help='environment prefix for variables to overwrite configuration')
+argparser.add_argument('-v', action='store_true', help='be verbose')
+argparser.add_argument('-vv', action='store_true', help='be more verbose')
+
+args = argparser.parse_args()
+
+if args.vv:
+    logging.getLogger().setLevel(logging.DEBUG)
+elif args.v:
+    logging.getLogger().setLevel(logging.INFO)
+
+config = confini.Config(args.c, args.env_prefix)
+config.process()
+
+# connect to database
+dsn = dsn_from_config(config)
+SessionBase.connect(dsn)
+
+# verify database connection with minimal sanity query
+#session = SessionBase.create_session()
+#session.execute('select version_num from alembic_version')
+#session.close()
+
+# set up celery
+current_app = celery.Celery(__name__)
+
+broker = config.get('CELERY_BROKER_URL')
+if broker[:4] == 'file':
+    bq = tempfile.mkdtemp()
+    bp = tempfile.mkdtemp()
+    current_app.conf.update({
+            'broker_url': broker,
+            'broker_transport_options': {
+                'data_folder_in': bq,
+                'data_folder_out': bq,
+                'data_folder_processed': bp,
+            },
+            },
+            )
+    logg.warning('celery broker dirs queue i/o {} processed {}, will NOT be deleted on shutdown'.format(bq, bp))
+else:
+    current_app.conf.update({
+        'broker_url': broker,
+        })
+
+result = config.get('CELERY_RESULT_URL')
+if result[:4] == 'file':
+    rq = tempfile.mkdtemp()
+    current_app.conf.update({
+        'result_backend': 'file://{}'.format(rq),
+        })
+    logg.warning('celery backend store dir {} created, will NOT be deleted on shutdown'.format(rq))
+else:
+    current_app.conf.update({
+        'result_backend': result,
+        })
+
+
+def main():
+    argv = ['worker']
+    if args.vv:
+        argv.append('--loglevel=DEBUG')
+    elif args.v:
+        argv.append('--loglevel=INFO')
+    argv.append('-Q')
+    argv.append(args.q)
+    argv.append('-n')
+    argv.append(args.q)
+
+    current_app.worker_main(argv)
+
+
+if __name__ == '__main__':
+    main()

apps/cic-cache/cic_cache/runnable/tracker.py

@@ -0,0 +1,339 @@
+# standard imports
+import sys
+import os
+import argparse
+import logging
+import time
+import enum
+import re
+
+# third-party imports
+import confini
+from cic_registry import CICRegistry
+from cic_registry.chain import (
+        ChainRegistry,
+        ChainSpec,
+        )
+#from cic_registry.bancor import BancorRegistryClient
+from cic_registry.token import Token
+from cic_registry.error import (
+        UnknownContractError,
+        UnknownDeclarationError,
+        )
+from cic_registry.declaration import to_token_declaration
+from web3.exceptions import BlockNotFound, TransactionNotFound
+from websockets.exceptions import ConnectionClosedError
+from requests.exceptions import ConnectionError
+import web3
+from web3 import HTTPProvider, WebsocketProvider
+
+# local imports
+from cic_cache import db
+from cic_cache.db.models.base import SessionBase
+
+logging.basicConfig(level=logging.WARNING)
+logg = logging.getLogger()
+logging.getLogger('websockets.protocol').setLevel(logging.CRITICAL)
+logging.getLogger('urllib3').setLevel(logging.CRITICAL)
+logging.getLogger('web3.RequestManager').setLevel(logging.CRITICAL)
+logging.getLogger('web3.providers.WebsocketProvider').setLevel(logging.CRITICAL)
+logging.getLogger('web3.providers.HTTPProvider').setLevel(logging.CRITICAL)
+
+log_topics = {
+    'transfer': '0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef',
+    'convert': '0x7154b38b5dd31bb3122436a96d4e09aba5b323ae1fd580025fab55074334c095',
+    'accountregistry_add': '0a3b0a4f4c6e53dce3dbcad5614cb2ba3a0fa7326d03c5d64b4fa2d565492737',
+    }
+
+config_dir = os.path.join('/usr/local/etc/cic-cache')
+
+argparser = argparse.ArgumentParser(description='daemon that monitors transactions in new blocks')
+argparser.add_argument('-c', type=str, default=config_dir, help='config root to use')
+argparser.add_argument('-i', '--chain-spec', type=str, dest='i', help='chain spec')
+argparser.add_argument('--trust-address', default=[], type=str, dest='trust_address', action='append', help='Set address as trust')
+argparser.add_argument('--env-prefix', default=os.environ.get('CONFINI_ENV_PREFIX'), dest='env_prefix', type=str, help='environment prefix for variables to overwrite configuration')
+argparser.add_argument('--abi-dir', dest='abi_dir', type=str, help='Directory containing bytecode and abi')
+argparser.add_argument('-v', help='be verbose', action='store_true')
+argparser.add_argument('-vv', help='be more verbose', action='store_true')
+args = argparser.parse_args(sys.argv[1:])
+
+config_dir = os.path.join(args.c)
+os.makedirs(config_dir, 0o777, True)
+
+
+if args.v == True:
+    logging.getLogger().setLevel(logging.INFO)
+elif args.vv == True:
+    logging.getLogger().setLevel(logging.DEBUG)
+
+config = confini.Config(config_dir, args.env_prefix)
+config.process()
+args_override = {
+        'ETH_ABI_DIR': getattr(args, 'abi_dir'),
+        'CIC_TRUST_ADDRESS': ",".join(getattr(args, 'trust_address', [])),
+        }
+config.dict_override(args_override, 'cli flag')
+config.censor('PASSWORD', 'DATABASE')
+config.censor('PASSWORD', 'SSL')
+logg.debug('config loaded from {}:\n{}'.format(config_dir, config))
+
+# connect to database
+dsn = db.dsn_from_config(config)
+SessionBase.connect(dsn)
+
+
+re_websocket = re.compile('^wss?://')
+re_http = re.compile('^https?://')
+blockchain_provider = config.get('ETH_PROVIDER')
+if re.match(re_websocket, blockchain_provider) != None:
+    blockchain_provider = WebsocketProvider(blockchain_provider)
+elif re.match(re_http, blockchain_provider) != None:
+    blockchain_provider = HTTPProvider(blockchain_provider)
+else:
+    raise ValueError('unknown provider url {}'.format(blockchain_provider))
+
+def web3_constructor():
+    w3 = web3.Web3(blockchain_provider)
+    return (blockchain_provider, w3)
+
+
+class RunStateEnum(enum.IntEnum):
+    INIT = 0
+    RUN = 1
+    TERMINATE = 9
+
+
+def rubberstamp(src):
+    return True
+
+
+class Tracker:
+
+    def __init__(self, chain_spec, trusts=[]):
+        self.block_height = 0
+        self.tx_height = 0
+        self.state = RunStateEnum.INIT
+        self.declarator_cache = {}
+        self.convert_enabled = False
+        self.trusts = trusts
+        self.chain_spec = chain_spec
+        self.declarator = CICRegistry.get_contract(chain_spec, 'AddressDeclarator', 'Declarator')
+
+
+    def __process_tx(self, w3, session, t, r, l, b):
+        token_value = int(l.data, 16)
+        token_sender = l.topics[1][-20:].hex()
+        token_recipient = l.topics[2][-20:].hex()
+
+        #ts = ContractRegistry.get_address(t.address)
+        ts = CICRegistry.get_address(self.chain_spec, t.address())
+        logg.info('add token transfer {} value {} from {} to {}'.format(
+            ts.symbol(),
+            token_value,
+            token_sender,
+            token_recipient,
+            )
+            )
+
+        db.add_transaction(
+                session,
+                r.transactionHash.hex(),
+                r.blockNumber,
+                r.transactionIndex,
+                w3.toChecksumAddress(token_sender),
+                w3.toChecksumAddress(token_recipient),
+                t.address(),
+                t.address(),
+                token_value,
+                token_value,
+                r.status == 1,
+                b.timestamp,
+                )
+        session.flush()
+
+
+    # TODO: simplify/ split up and/or comment, function is too long
+    def __process_convert(self, w3, session, t, r, l, b):
+        logg.warning('conversions are deactivated')
+        return
+#        token_source = l.topics[2][-20:].hex()
+#        token_source = w3.toChecksumAddress(token_source)
+#        token_destination = l.topics[3][-20:].hex()
+#        token_destination = w3.toChecksumAddress(token_destination)
+#        data_noox = l.data[2:]
+#        d = data_noox[:64]
+#        token_from_value = int(d, 16)
+#        d = data_noox[64:128]
+#        token_to_value = int(d, 16)
+#        token_trader = '0x' + data_noox[192-40:]
+#
+#        #ts = ContractRegistry.get_address(token_source)
+#        ts = CICRegistry.get_address(CICRegistry.bancor_chain_spec, t.address())
+#        #if ts == None:
+#        #    ts = ContractRegistry.reserves[token_source]
+#        td = ContractRegistry.get_address(token_destination)
+#        #if td == None:
+#        #    td = ContractRegistry.reserves[token_source]
+#        logg.info('add token convert {} -> {} value {} -> {} trader {}'.format(
+#            ts.symbol(),
+#            td.symbol(),
+#            token_from_value,
+#            token_to_value,
+#            token_trader,
+#            )
+#            )
+#
+#        db.add_transaction(
+#                session,
+#                r.transactionHash.hex(),
+#                r.blockNumber,
+#                r.transactionIndex,
+#                w3.toChecksumAddress(token_trader),
+#                w3.toChecksumAddress(token_trader),
+#                token_source,
+#                token_destination,
+#                r.status == 1,
+#                b.timestamp,
+#                )
+#        session.flush()
+
+
+    def check_token(self, address):
+            t = None
+            try:
+                t = CICRegistry.get_address(CICRegistry.default_chain_spec, address)
+                return t
+            except UnknownContractError:
+                logg.debug('contract {} not in registry'.format(address))
+
+            # If nothing was returned, we look up the token in the declarator
+            for trust in self.trusts:
+                logg.debug('look up declaration for contract {} with trust {}'.format(address, trust))
+                fn = self.declarator.function('declaration')
+                # TODO: cache trust in LRUcache
+                declaration_array = fn(trust, address).call()
+                try:
+                    declaration = to_token_declaration(trust, address, declaration_array, [rubberstamp])
+                    logg.debug('found declaration for token {} from trust address {}'.format(address, trust))
+                except UnknownDeclarationError:
+                    continue
+               
+                try:
+                    c = w3.eth.contract(abi=CICRegistry.abi('ERC20'), address=address)
+                    t = CICRegistry.add_token(self.chain_spec, c)
+                    break
+                except ValueError:
+                    logg.error('declaration for {} validates as token, but location is not ERC20 compatible'.format(address))
+
+            return t
+
+
+    # TODO use input data instead of logs
+    def process(self, w3, session, block):
+        #self.refresh_registry(w3)
+        tx_count = w3.eth.getBlockTransactionCount(block.hash)
+        b = w3.eth.getBlock(block.hash)
+        for i in range(self.tx_height, tx_count):
+            tx = w3.eth.getTransactionByBlock(block.hash, i)
+            if tx.to == None:
+                logg.debug('block {} tx {} is contract creation tx, skipping'.format(block.number, i))
+                continue
+            if len(w3.eth.getCode(tx.to)) == 0:
+                logg.debug('block {} tx {} not a contract tx, skipping'.format(block.number, i))
+                continue
+
+            t = self.check_token(tx.to)
+            if t != None and isinstance(t, Token):
+                r = w3.eth.getTransactionReceipt(tx.hash)
+                for l in r.logs:
+                    logg.debug('block {} tx {} {} token log {} {}'.format(block.number, i, tx.hash.hex(), l.logIndex, l.topics[0].hex()))
+                    if l.topics[0].hex() == log_topics['transfer']:
+                        self.__process_tx(w3, session, t, r, l, b)
+
+            # TODO: cache contracts in LRUcache
+            elif self.convert_enabled and tx.to == CICRegistry.get_contract(CICRegistry.default_chain_spec, 'Converter').address:
+                r = w3.eth.getTransactionReceipt(tx.hash)
+                for l in r.logs:
+                    logg.info('block {} tx {} {} bancornetwork log {} {}'.format(block.number, i, tx.hash.hex(), l.logIndex, l.topics[0].hex()))
+                    if l.topics[0].hex() == log_topics['convert']:
+                        self.__process_convert(w3, session, t, r, l, b)
+            
+            session.execute("UPDATE tx_sync SET tx = '{}'".format(tx.hash.hex()))
+            session.commit()
+            self.tx_height += 1
+
+
+    def __get_next_retry(self, backoff=False):
+        return 1
+
+
+    def loop(self):
+        logg.info('starting at block {} tx index {}'.format(self.block_height, self.tx_height))
+        self.state = RunStateEnum.RUN
+        while self.state == RunStateEnum.RUN:
+            (provider, w3) = web3_constructor()
+            session = SessionBase.create_session()
+            try:
+                block = w3.eth.getBlock(self.block_height)
+                self.process(w3, session, block)
+                self.block_height += 1
+                self.tx_height = 0
+            except BlockNotFound as e:
+                logg.debug('no block {} yet, zZzZ...'.format(self.block_height))
+                time.sleep(self.__get_next_retry())
+            except ConnectionClosedError as e:
+                logg.info('connection gone, retrying')
+                time.sleep(self.__get_next_retry(True))
+            except OSError as e:
+                logg.error('cannot connect {}'.format(e))
+                time.sleep(self.__get_next_retry(True))
+            except Exception as e:
+                session.close()
+                raise(e)
+            session.close()
+
+
+    def load(self, w3):
+        session = SessionBase.create_session()
+        r = session.execute('SELECT tx FROM tx_sync').first()
+        if r != None:
+            if r[0] == '0x{0:0{1}X}'.format(0, 64):
+                logg.debug('last tx was zero-address, starting from scratch')
+                return
+            t = w3.eth.getTransaction(r[0])
+            
+            self.block_height = t.blockNumber
+            self.tx_height = t.transactionIndex+1
+            c = w3.eth.getBlockTransactionCount(t.blockHash.hex())
+            logg.debug('last tx processed {} index {} (max index {})'.format(t.blockNumber, t.transactionIndex, c-1))
+            if c == self.tx_height:
+                self.block_height += 1
+                self.tx_height = 0
+        session.close()
+
+(provider, w3) = web3_constructor()
+trust = config.get('CIC_TRUST_ADDRESS', []).split(",")
+chain_spec = args.i
+
+try:
+    w3.eth.chainId
+except Exception as e:
+    logg.exception(e)
+    sys.stderr.write('cannot connect to evm node\n')
+    sys.exit(1)
+
+def main():
+    chain_spec = ChainSpec.from_chain_str(config.get('CIC_CHAIN_SPEC'))
+
+    CICRegistry.init(w3, config.get('CIC_REGISTRY_ADDRESS'), chain_spec)
+    CICRegistry.add_path(config.get('ETH_ABI_DIR'))
+    chain_registry = ChainRegistry(chain_spec)
+    CICRegistry.add_chain_registry(chain_registry)
+
+    t = Tracker(chain_spec, trust) 
+    t.load(w3)
+    t.loop()
+    
+
+if __name__ == '__main__':
+    main()

apps/cic-cache/cic_cache/tasks/tx.py

@@ -0,0 +1,38 @@
+# third-party imports
+import celery
+
+# local imports
+from cic_cache.cache import BloomCache
+from cic_cache.db.models.base import SessionBase
+
+celery_app = celery.current_app
+
+
+@celery_app.task(bind=True)
+def tx_filter(self, offset, limit, address=None, encoding='hex'):
+    queue = self.request.delivery_info.get('routing_key')
+
+    session = SessionBase.create_session()
+
+    c = BloomCache(session)
+    b = None
+    if address == None:
+        (lowest_block, highest_block, bloom_filter_block, bloom_filter_tx) = c.load_transactions(offset, limit)
+    else:
+        (lowest_block, highest_block, bloom_filter_block, bloom_filter_tx) = c.load_transactions_account(address, offset, limit)
+
+    session.close()
+
+    o = {
+        'alg': 'sha256',
+        'low': lowest_block,
+        'high': highest_block,
+        'block_filter': bloom_filter_block.hex(), 
+        'blocktx_filter': bloom_filter_tx.hex(),
+        'filter_rounds': 3,
+            }
+
+    return o
+
+
+

apps/cic-cache/cic_cache/version.py

@@ -0,0 +1,18 @@
+import os
+import semver
+
+version = (
+        0,
+        2,
+        0,
+        'alpha.1',
+        )
+
+version_object = semver.VersionInfo(
+        major=version[0],
+        minor=version[1],
+        patch=version[2],
+        prerelease=version[3],
+        )
+
+version_string = str(version_object)

apps/cic-cache/config/bancor.ini

@@ -0,0 +1,2 @@
+[bancor]
+dir =

apps/cic-cache/config/celery.ini

@@ -0,0 +1,3 @@
+[celery]
+broker_url = redis:///
+result_url = redis:///

apps/cic-cache/config/cic.ini

@@ -0,0 +1,4 @@
+[cic]
+registry_address = 
+chain_spec =
+trust_address = 

apps/cic-cache/config/database.ini

@@ -0,0 +1,9 @@
+[database]
+NAME=cic-eth
+USER=postgres
+PASSWORD=
+HOST=localhost
+PORT=5432
+ENGINE=postgresql
+DRIVER=psycopg2
+DEBUG=

apps/cic-cache/config/docker/bancor.ini

@@ -0,0 +1,3 @@
+[bancor]
+registry_address = 
+dir = /usr/local/share/bancor

apps/cic-cache/config/docker/celery.ini

@@ -0,0 +1,3 @@
+[celery]
+broker_url = redis://localhost:63379
+result_url = redis://localhost:63379

apps/cic-cache/config/docker/database.ini

@@ -0,0 +1,9 @@
+[database]
+NAME=cic_cache
+USER=grassroots
+PASSWORD=
+HOST=localhost
+PORT=63432
+ENGINE=postgresql
+DRIVER=psycopg2
+DEBUG=1

apps/cic-cache/config/docker/eth.ini

@@ -0,0 +1,3 @@
+[eth]
+provider = ws://localhost:63546
+chain_id = 8996

apps/cic-cache/config/eth.ini

@@ -0,0 +1,7 @@
+[eth]
+provider = ws://localhost:8545
+#ttp_provider = http://localhost:8545
+#provider = http://localhost:8545
+gas_provider_address = 
+#chain_id = 
+abi_dir = /usr/local/share/cic/solidity/abi

apps/cic-cache/config/test/bancor.ini

@@ -0,0 +1,2 @@
+[bancor]
+dir =

apps/cic-cache/config/test/cic.ini

@@ -0,0 +1,2 @@
+[cic]
+registry_address = 

apps/cic-cache/config/test/database.ini

@@ -0,0 +1,9 @@
+[database]
+NAME=cic-cache-test
+USER=postgres
+PASSWORD=
+HOST=localhost
+PORT=5432
+ENGINE=sqlite
+DRIVER=pysqlite
+DEBUG=

apps/cic-cache/config/test/eth.ini

@@ -0,0 +1,5 @@
+[eth]
+#ws_provider = ws://localhost:8546
+#ttp_provider = http://localhost:8545
+provider = http://localhost:8545
+#chain_id = 

apps/cic-cache/db/initdb_files/create_all_db.sql

@@ -0,0 +1,5 @@
+CREATE DATABASE "cic-cache";
+CREATE DATABASE "cic-eth";
+CREATE DATABASE "cic-notify";
+CREATE DATABASE "cic-meta";
+CREATE DATABASE "cic-signer";

apps/cic-cache/db/psycopg2/db.sql

@@ -0,0 +1,22 @@
+CREATE TABLE tx (
+	id SERIAL PRIMARY KEY,
+	date_registered TIMESTAMP NOT NULL default CURRENT_TIMESTAMP,
+	block_number INTEGER NOT NULL,
+	tx_index INTEGER NOT NULL,
+	tx_hash VARCHAR(66) NOT NULL,
+	sender VARCHAR(42) NOT NULL, 
+	recipient VARCHAR(42) NOT NULL, 
+	source_token VARCHAR(42) NOT NULL,
+	destination_token VARCHAR(42) NOT NULL,
+	from_value BIGINT NOT NULL,
+	to_value BIGINT NOT NULL,
+	success BOOLEAN NOT NULL, 
+	date_block TIMESTAMP NOT NULL
+);
+
+CREATE TABLE tx_sync (
+	id SERIAL PRIMARY KEY,
+	tx VARCHAR(66) NOT NULL
+);
+
+INSERT INTO tx_sync (tx) VALUES('0x0000000000000000000000000000000000000000000000000000000000000000');

apps/cic-cache/db/pysqlite/db.sql

@@ -0,0 +1,23 @@
+CREATE TABLE tx (
+	id SERIAL PRIMARY KEY,
+	date_registered DATETIME NOT NULL default CURRENT_DATE, 
+	block_number INTEGER NOT NULL,
+	tx_index INTEGER NOT NULL,
+	tx_hash VARCHAR(66) NOT NULL,
+	sender VARCHAR(42) NOT NULL, 
+	recipient VARCHAR(42) NOT NULL, 
+	source_token VARCHAR(42) NOT NULL,
+	destination_token VARCHAR(42) NOT NULL,
+	from_value INTEGER NOT NULL,
+	to_value INTEGER NOT NULL,
+	success BOOLEAN NOT NULL, 
+	date_block DATETIME NOT NULL,
+	CHECK (success IN (0, 1))
+);
+
+CREATE TABLE tx_sync (
+	id SERIAL PRIMARY_KEY,
+	tx VARCHAR(66) NOT NULL
+);
+
+INSERT INTO tx_sync (tx) VALUES('0x0000000000000000000000000000000000000000000000000000000000000000');

apps/cic-cache/doc/openapi/server.yml

@@ -0,0 +1,102 @@
+openapi: "3.0.3"
+info:
+  title: Grassroots Economics CIC Cache
+  description: Cache of processed transaction data from Ethereum blockchain and worker queues
+  termsOfService: bzz://grassrootseconomics.eth/terms
+  contact:
+    name: Grassroots Economics
+    url: https://www.grassrootseconomics.org
+    email: will@grassecon.org
+  license:
+    name: GPLv3
+  version: 0.1.0
+
+paths:
+  /tx/{offset}/{limit}:
+    description: Bloom filter for batch of latest transactions
+    get:
+      tags:
+        - transactions
+      description:
+        Retrieve transactions
+      operationId: tx.get
+      responses:
+        200:
+          description: Transaction query successful.
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/BlocksBloom"
+
+
+    parameters:
+    - name: offset
+      in: path
+      schema:
+        type: integer
+        format: int32
+    - name: limit
+      in: path
+      schema:
+        type: integer
+        format: int32
+
+
+  /tx/{address}/{offset}/{limit}:
+    description: Bloom filter for batch of latest transactions by account
+    get:
+      tags:
+        - transactions
+      description:
+        Retrieve transactions
+      operationId: tx.get
+      responses:
+        200:
+          description: Transaction query successful. 
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/BlocksBloom"
+
+
+    parameters:
+    - name: address
+      in: path
+      required: true
+      schema:
+        type: string
+    - name: offset
+      in: path
+      schema:
+        type: integer
+        format: int32
+    - name: limit
+      in: path
+      schema:
+        type: integer
+        format: int32
+
+components:
+  schemas:
+    BlocksBloom:
+      type: object
+      properties:
+        low:
+          type: int
+          format: int32
+          description: The lowest block number included in the filter
+        block_filter:
+          type: string
+          format: byte
+          description: Block number filter
+        blocktx_filter:
+          type: string
+          format: byte
+          description: Block and tx index filter
+        alg:
+          type: string
+          description: Hashing algorithm (currently only using sha256)
+        filter_rounds:
+          type: int
+          format: int32
+          description: Number of hash rounds used to create the filter

apps/cic-cache/docker/Dockerfile

@@ -0,0 +1,54 @@
+FROM python:3.8.6-slim-buster
+
+#COPY --from=0 /usr/local/share/cic/solidity/ /usr/local/share/cic/solidity/
+
+WORKDIR /usr/src/cic-cache
+
+ARG pip_extra_index_url_flag='--index https://pypi.org/simple --extra-index-url https://pip.grassrootseconomics.net:8433'
+ARG root_requirement_file='requirements.txt'
+
+#RUN apk update && \
+#	apk add gcc musl-dev gnupg libpq
+#RUN apk add postgresql-dev
+#RUN apk add linux-headers
+#RUN apk add libffi-dev
+RUN apt-get update && \
+	apt install -y gcc gnupg libpq-dev wget make g++ gnupg bash procps git
+
+# Copy shared requirements from top of mono-repo
+RUN echo "copying root req file ${root_requirement_file}"
+COPY $root_requirement_file .
+RUN pip install -r $root_requirement_file $pip_extra_index_url_flag
+
+COPY cic-cache/requirements.txt ./
+COPY cic-cache/setup.cfg \
+	 cic-cache/setup.py \
+ 	 ./
+COPY cic-cache/cic_cache/ ./cic_cache/
+COPY cic-cache/scripts/ ./scripts/
+COPY cic-cache/test_requirements.txt ./
+RUN pip install $pip_extra_index_url_flag -r test_requirements.txt
+RUN pip install $pip_extra_index_url_flag .
+RUN pip install .[server]
+
+COPY cic-cache/tests/ ./tests/
+#COPY db/ cic-cache/db
+#RUN apk add postgresql-client
+
+# ini files in config directory defines the configurable parameters for the application
+# they can all be overridden by environment variables
+# to generate a list of environment variables from configuration, use: confini-dump -z <dir> (executable provided by confini package)
+COPY cic-cache/config/ /usr/local/etc/cic-cache/
+
+# for db migrations
+RUN git clone https://github.com/vishnubob/wait-for-it.git /usr/local/bin/wait-for-it/
+COPY cic-cache/cic_cache/db/migrations/ /usr/local/share/cic-cache/alembic/
+
+RUN git clone https://gitlab.com/grassrootseconomics/cic-contracts.git && \
+	mkdir -p /usr/local/share/cic/solidity && \
+	cp -R cic-contracts/abis /usr/local/share/cic/solidity/abi
+
+# Tracker
+# ENTRYPOINT ["/usr/local/bin/cic-cache-tracker", "-vv"]
+# Server
+# ENTRYPOINT [ "/usr/local/bin/uwsgi", "--wsgi-file", "/usr/local/lib/python3.8/site-packages/cic_cache/runnable/server.py", "--http", ":80", "--pyargv", "-vv" ]

apps/cic-cache/examples/bloom_client/parse.js

@@ -0,0 +1,40 @@
+let xmlhttprequest = require('xhr2');
+let moolb = require('moolb');
+
+let xhr = new xmlhttprequest();
+xhr.responseType = 'json';
+xhr.open('GET', 'http://localhost:5555/tx/0/100');
+xhr.addEventListener('load', (e) => {
+
+	d = xhr.response;
+
+	b_one = Buffer.from(d.block_filter, 'base64');
+	b_two = Buffer.from(d.blocktx_filter, 'base64');
+
+	for (let i = 0; i < 8192; i++) {
+		if (b_two[i] > 0) {
+			console.debug('value on', i, b_two[i]);
+		}
+	}
+	console.log(b_one, b_two);
+
+	let f_block = moolb.fromBytes(b_one, d.filter_rounds);
+	let f_blocktx = moolb.fromBytes(b_two, d.filter_rounds);
+	let a = new ArrayBuffer(8);
+	let w = new DataView(a);
+	for (let i = 410000; i < 430000; i++) {
+		w.setInt32(0, i);
+		let r = new Uint8Array(a.slice(0, 4));
+		if (f_block.check(r)) {
+			for (let j = 0; j < 200; j++) {
+				w = new DataView(a);
+				w.setInt32(4, j);
+				r = new Uint8Array(a);
+				if (f_blocktx.check(r)) {
+					console.log('true', i, j);
+				}
+			}
+		}
+	}
+});
+let r = xhr.send();

apps/cic-cache/requirements.txt

@@ -0,0 +1,10 @@
+alembic==1.4.2
+confini~=0.3.6b2
+uwsgi==2.0.19.1
+moolb~=0.1.0
+cic-registry~=0.5.3a4
+SQLAlchemy==1.3.20
+semver==2.13.0
+psycopg2==2.8.6
+celery==4.4.7
+redis==3.5.3

apps/cic-cache/scripts/migrate.py

@@ -0,0 +1,56 @@
+#!/usr/bin/python
+import os
+import argparse
+import logging
+
+import alembic
+from alembic.config import Config as AlembicConfig
+import confini
+
+from cic_cache.db import dsn_from_config
+
+logging.basicConfig(level=logging.WARNING)
+logg = logging.getLogger()
+
+# BUG: the dbdir doesn't work after script install
+rootdir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
+dbdir = os.path.join(rootdir, 'cic_cache', 'db')
+migrationsdir = os.path.join(dbdir, 'migrations')
+
+config_dir = os.path.join('/usr/local/etc/cic-cache')
+
+argparser = argparse.ArgumentParser()
+argparser.add_argument('-c', type=str, default=config_dir, help='config file')
+argparser.add_argument('--env-prefix', default=os.environ.get('CONFINI_ENV_PREFIX'), dest='env_prefix', type=str, help='environment prefix for variables to overwrite configuration')
+argparser.add_argument('--migrations-dir', dest='migrations_dir', default=migrationsdir, type=str, help='path to alembic migrations directory')
+argparser.add_argument('-v', action='store_true', help='be verbose')
+argparser.add_argument('-vv', action='store_true', help='be more verbose')
+args = argparser.parse_args()
+
+if args.vv:
+    logging.getLogger().setLevel(logging.DEBUG)
+elif args.v:
+    logging.getLogger().setLevel(logging.INFO)
+
+config = confini.Config(args.c, args.env_prefix)
+config.process()
+config.censor('PASSWORD', 'DATABASE')
+config.censor('PASSWORD', 'SSL')
+logg.debug('config:\n{}'.format(config))
+
+migrations_dir = os.path.join(args.migrations_dir, config.get('DATABASE_ENGINE'))
+if not os.path.isdir(migrations_dir):
+    logg.debug('migrations dir for engine {} not found, reverting to default'.format(config.get('DATABASE_ENGINE')))
+    migrations_dir = os.path.join(args.migrations_dir, 'default')
+
+# connect to database
+dsn = dsn_from_config(config)
+
+
+logg.info('using migrations dir {}'.format(migrations_dir))
+logg.info('using db {}'.format(dsn))
+ac = AlembicConfig(os.path.join(migrations_dir, 'alembic.ini'))
+ac.set_main_option('sqlalchemy.url', dsn)
+ac.set_main_option('script_location', migrations_dir)
+
+alembic.command.upgrade(ac, 'head')

apps/cic-cache/setup.cfg

@@ -1,11 +1,12 @@
 [metadata]
-name = cic-dev-fake
-version = 0.0.1
-description = Fake data generator tools
+name = cic-cache
+description = CIC Cache API and server
 author = Louis Holbrook
 author_email = dev@holbrook.no
-url = https://gitlab.com/nolash/simple-multisig
+url = https://gitlab.com/grassrootseconomics/cic-eth
 keywords =
+	cic
+	cryptocurrency
 	ethereum
 classifiers =
 	Programming Language :: Python :: 3
@@ -15,26 +16,22 @@ classifiers =
 	Intended Audience :: Developers
 	License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)
 	Topic :: Internet
-	#Topic :: Blockchain :: EVM
+#	Topic :: Blockchain :: EVM
 license = GPL3
 licence_files =
-	LICENSE
+	LICENSE.txt
 
 [options]
 python_requires = >= 3.6
-install_requires =
-	web3==5.12.2
-	vobject==0.9.6.1
-	faker==4.17.1
-tests_require =
-	eth-tester==0.5.0b2
-	py-evm==0.3.0a20
+packages = 
+	cic_cache
+	cic_cache.db
+	cic_cache.db.models
+	cic_cache.runnable
 scripts =
-	scripts/users.py
-	scripts/tx_generator.py
-	scripts/tx_seed.py
+	./scripts/migrate.py
 
-[options.extras_require]
-testing =
-	eth-tester==0.5.0b2
-	py-evm==0.3.0a20
+[options.entry_points]
+console_scripts =
+	cic-cache-tracker = cic_cache.runnable.tracker:main
+	cic-cache-server = cic_cache.runnable.server:main

apps/cic-cache/setup.py

@@ -0,0 +1,60 @@
+from setuptools import setup
+
+import configparser
+import os
+import time
+
+from cic_cache.version import (
+        version_object,
+        version_string
+        )
+
+class PleaseCommitFirstError(Exception):
+    pass
+
+def git_hash():
+    import subprocess
+    git_diff = subprocess.run(['git', 'diff'], capture_output=True)
+    if len(git_diff.stdout) > 0:
+        raise PleaseCommitFirstError()
+    git_hash = subprocess.run(['git', 'rev-parse', 'HEAD'], capture_output=True)
+    git_hash_brief = git_hash.stdout.decode('utf-8')[:8]
+    return git_hash_brief
+
+version_string = str(version_object)
+
+try:
+    version_git = git_hash()
+    version_string += '+build.{}'.format(version_git)
+except FileNotFoundError:
+    time_string_pair = str(time.time()).split('.')
+    version_string += '+build.{}{:<09d}'.format(
+            time_string_pair[0],
+            int(time_string_pair[1]),
+            )
+print('final version string will be {}'.format(version_string))
+
+requirements = []
+f = open('requirements.txt', 'r')
+while True:
+    l = f.readline()
+    if l == '':
+        break
+    requirements.append(l.rstrip())
+f.close()
+
+test_requirements = []
+f = open('test_requirements.txt', 'r')
+while True:
+    l = f.readline()
+    if l == '':
+        break
+    test_requirements.append(l.rstrip())
+f.close()
+
+
+setup(
+    version=version_string,
+    install_requires=requirements,
+    tests_require=test_requirements,
+        )

apps/cic-cache/test_requirements.txt

@@ -0,0 +1,6 @@
+pytest==6.0.1
+pytest-cov==2.10.1
+pytest-mock==3.3.1
+pysqlite3==0.4.3
+sqlparse==0.4.1
+pytest-celery==0.0.0a1

apps/cic-cache/tests/conftest.py

@@ -0,0 +1,86 @@
+# standard imports
+import os
+import sys
+import datetime
+
+# third-party imports
+import pytest
+
+# local imports
+from cic_cache import db
+
+script_dir = os.path.dirname(os.path.realpath(__file__))
+root_dir = os.path.dirname(script_dir)
+sys.path.insert(0, root_dir)
+
+# fixtures
+from tests.fixtures_config import *
+from tests.fixtures_database import *
+from tests.fixtures_celery import *
+
+
+@pytest.fixture(scope='session')
+def balances_dict_fields():
+    return {
+            'out_pending': 0,
+            'out_synced': 1,
+            'out_confirmed': 2,
+            'in_pending': 3,
+            'in_synced': 4,
+            'in_confirmed': 5,
+    }
+
+
+@pytest.fixture(scope='function')
+def txs(
+        init_database,
+        list_defaults,
+        list_actors,
+        list_tokens,
+        ):
+
+    session = init_database
+
+    tx_number = 13 
+    tx_hash_first = '0x' + os.urandom(32).hex()
+    val = 15000
+    nonce = 1
+    dt = datetime.datetime.utcnow()
+    db.add_transaction(
+        session,
+        tx_hash_first,
+        list_defaults['block'],
+        tx_number,
+        list_actors['alice'],
+        list_actors['bob'],
+        list_tokens['foo'],
+        list_tokens['foo'],
+        1024,
+        2048,
+        True,
+        dt.timestamp(),
+            )
+
+
+    tx_number = 42
+    tx_hash_second = '0x' + os.urandom(32).hex()
+    tx_signed_second = '0x' + os.urandom(128).hex()
+    nonce = 1
+    dt -= datetime.timedelta(hours=1)
+    db.add_transaction(
+        session,
+        tx_hash_second,
+        list_defaults['block']-1,
+        tx_number,
+        list_actors['diane'],
+        list_actors['alice'],
+        list_tokens['foo'],
+        list_tokens['foo'],
+        1024,
+        2048,
+        False,
+        dt.timestamp(),
+        )
+    
+    session.commit()
+

apps/cic-cache/tests/fixtures_celery.py

@@ -0,0 +1,48 @@
+# third-party imports
+import pytest
+import tempfile
+import logging
+import shutil
+
+logg = logging.getLogger(__name__)
+
+
+# celery fixtures
+@pytest.fixture(scope='session')
+def celery_includes():
+    return [
+        'cic_cache.tasks.tx',
+    ]
+
+
+@pytest.fixture(scope='session')
+def celery_config():
+    bq = tempfile.mkdtemp()
+    bp = tempfile.mkdtemp()
+    rq = tempfile.mkdtemp()
+    logg.debug('celery broker queue {} processed {}'.format(bq, bp))
+    logg.debug('celery backend store {}'.format(rq))
+    yield {
+        'broker_url': 'filesystem://',
+        'broker_transport_options': {
+            'data_folder_in': bq,
+            'data_folder_out': bq,
+            'data_folder_processed': bp,
+            },
+        'result_backend': 'file://{}'.format(rq),
+            }
+    logg.debug('cleaning up celery filesystem backend files {} {} {}'.format(bq, bp, rq))
+    shutil.rmtree(bq)
+    shutil.rmtree(bp)
+    shutil.rmtree(rq)
+
+
+@pytest.fixture(scope='session')
+def celery_worker_parameters():
+    return {
+#            'queues': ('cic-cache'),
+            }
+
+@pytest.fixture(scope='session')
+def celery_enable_logging():
+    return True

apps/cic-cache/tests/fixtures_config.py

@@ -0,0 +1,20 @@
+# standard imports
+import os
+import logging
+
+# third-party imports
+import pytest
+import confini
+
+script_dir = os.path.dirname(os.path.realpath(__file__))
+root_dir = os.path.dirname(script_dir)
+logg = logging.getLogger(__file__)
+
+
+@pytest.fixture(scope='session')
+def load_config():
+    config_dir = os.path.join(root_dir, '.config/test')
+    conf = confini.Config(config_dir, 'CICTEST')
+    conf.process()
+    logg.debug('config {}'.format(conf))
+    return conf

apps/cic-cache/tests/fixtures_database.py

@@ -0,0 +1,118 @@
+# standard imports
+import os
+import logging
+import re
+
+# third-party imports
+import pytest
+import sqlparse
+
+# local imports
+from cic_cache.db.models.base import SessionBase
+from cic_cache.db import dsn_from_config
+
+logg = logging.getLogger(__file__)
+
+
+@pytest.fixture(scope='function')
+def database_engine(
+    load_config,
+        ):
+    if load_config.get('DATABASE_ENGINE') == 'sqlite':
+        SessionBase.transactional = False
+        SessionBase.poolable = False
+        try:
+            os.unlink(load_config.get('DATABASE_NAME'))
+        except FileNotFoundError:
+            pass
+    dsn = dsn_from_config(load_config)
+    SessionBase.connect(dsn)
+    return dsn
+
+
+# TODO: use alembic instead to migrate db, here we have to keep separate schema than migration script in script/migrate.py
+@pytest.fixture(scope='function')
+def init_database(
+        load_config,
+        database_engine,
+        ):
+
+    rootdir = os.path.dirname(os.path.dirname(__file__))
+    schemadir = os.path.join(rootdir, 'db', load_config.get('DATABASE_DRIVER'))
+
+    if load_config.get('DATABASE_ENGINE') == 'sqlite':
+        rconn = SessionBase.engine.raw_connection()
+        f = open(os.path.join(schemadir, 'db.sql'))
+        s = f.read()
+        f.close()
+        rconn.executescript(s)
+
+    else:
+        rconn = SessionBase.engine.raw_connection()
+        rcursor = rconn.cursor()
+
+        #rcursor.execute('DROP FUNCTION IF EXISTS public.transaction_list')
+        #rcursor.execute('DROP FUNCTION IF EXISTS public.balances')
+
+        f = open(os.path.join(schemadir, 'db.sql'))
+        s = f.read()
+        f.close()
+        r = re.compile(r'^[A-Z]', re.MULTILINE)
+        for l in sqlparse.parse(s):
+            strl = str(l)
+            # we need to check for empty query lines, as sqlparse doesn't do that on its own (and psycopg complains when it gets them)
+            if not re.search(r, strl):
+                logg.warning('skipping parsed query line {}'.format(strl))
+                continue
+            rcursor.execute(strl)
+        rconn.commit()
+
+        rcursor.execute('SET search_path TO public')
+
+# this doesn't work when run separately, no idea why
+# functions have been manually added to original schema from cic-eth 
+#        f = open(os.path.join(schemadir, 'proc_transaction_list.sql'))
+#        s = f.read()
+#        f.close()
+#        rcursor.execute(s)
+# 
+#        f = open(os.path.join(schemadir, 'proc_balances.sql'))
+#        s = f.read()
+#        f.close()
+#        rcursor.execute(s)
+
+        rcursor.close()
+
+    session = SessionBase.create_session()
+    yield session
+    session.commit()
+    session.close()
+
+
+@pytest.fixture(scope='function')
+def list_tokens(
+        ):
+    return {
+            'foo': '0x' + os.urandom(20).hex(),
+            'bar': '0x' + os.urandom(20).hex(),
+        }
+
+
+@pytest.fixture(scope='function')
+def list_actors(
+        ):
+    return {
+            'alice': '0x' + os.urandom(20).hex(),
+            'bob': '0x' + os.urandom(20).hex(),
+            'charlie': '0x' + os.urandom(20).hex(),
+            'diane': '0x' + os.urandom(20).hex(),
+            }
+
+
+@pytest.fixture(scope='function')
+def list_defaults(
+        ):
+
+    return {
+        'block': 420000,
+    }

apps/cic-cache/tests/test_cache.py

@@ -0,0 +1,35 @@
+# standard imports
+import os
+import datetime
+import logging
+import json
+
+# third-party imports
+import pytest
+
+# local imports
+from cic_cache import BloomCache
+
+logg = logging.getLogger()
+
+
+def test_cache(
+        init_database,
+        list_defaults,
+        list_actors,
+        list_tokens,
+        txs,
+        ):
+
+    session = init_database
+
+    c = BloomCache(session)
+    b = c.load_transactions(0, 100)
+
+    assert b[0] == list_defaults['block'] - 1
+
+    c = BloomCache(session)
+    c.load_transactions_account(list_actors['alice'],0, 100)
+
+    assert b[0] == list_defaults['block'] - 1
+

apps/cic-cache/tests/test_task.py

@@ -0,0 +1,27 @@
+# standard imports
+import logging
+
+# third-party imports
+import celery
+
+# local imports
+from cic_cache.api import Api
+
+logg = logging.getLogger()
+
+
+def test_task(
+        init_database,
+        list_defaults,
+        list_actors,
+        list_tokens,
+        txs,
+        celery_session_worker,
+        ):
+
+    api = Api(queue=None)
+    t = api.list(0, 100)
+    r = t.get()
+    logg.debug('r {}'.format(r))
+
+    assert r['low'] == list_defaults['block'] - 1

apps/cic-eth/cic_eth/api/api_task.py

@@ -6,10 +6,13 @@
 # standard imports
 import logging
 
-# third-party imports 
+# external imports 
 import celery
-from cic_registry.chain import ChainSpec
+#from cic_registry.chain import ChainSpec
 from cic_registry import CICRegistry
+from chainlib.chain import ChainSpec
+
+# local imports
 from cic_eth.eth.factory import TxFactory
 from cic_eth.db.enum import LockEnum
 

apps/cic-eth/cic_eth/callbacks/redis.py

@@ -18,7 +18,11 @@ logg = celery_app.log.get_default_logger()
 def redis(self, result, destination, status_code):
     (host, port, db, channel) = destination.split(':')
     r = redis_interface.Redis(host=host, port=port, db=db)
-    s = json.dumps(result)
+    data = {
+            'root_id': self.request.root_id,
+            'status': status_code,
+            'result': result,
+            }
     logg.debug('redis callback on host {} port {} db {} channel {}'.format(host, port, db, channel))
-    r.publish(channel, s)
+    r.publish(channel, json.dumps(data))
     r.close()

apps/cic-eth/cic_eth/db/models/base.py

@@ -6,6 +6,11 @@ from sqlalchemy import Column, Integer
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
+from sqlalchemy.pool import (
+        StaticPool,
+        QueuePool,
+        AssertionPool,
+        )
 
 logg = logging.getLogger()
 
@@ -49,7 +54,7 @@ class SessionBase(Model):
 
 
     @staticmethod
-    def connect(dsn, debug=False):
+    def connect(dsn, pool_size=8, debug=False):
         """Create new database connection engine and connect to database backend.
 
         :param dsn: DSN string defining connection.
@@ -57,14 +62,28 @@ class SessionBase(Model):
         """
         e = None
         if SessionBase.poolable:
-            e = create_engine(
-                    dsn,
-                    max_overflow=50,
-                    pool_pre_ping=True,
-                    pool_size=20,
-                    pool_recycle=10,
-                    echo=debug,
-                )
+            poolclass = QueuePool
+            if pool_size > 1:
+                e = create_engine(
+                        dsn,
+                        max_overflow=pool_size*3,
+                        pool_pre_ping=True,
+                        pool_size=pool_size,
+                        pool_recycle=60,
+                        poolclass=poolclass,
+                        echo=debug,
+                    )
+            else:
+                if debug:
+                    poolclass = AssertionPool
+                else:
+                    poolclass = StaticPool
+
+                e = create_engine(
+                        dsn,
+                        poolclass=poolclass,
+                        echo=debug,
+                    )
         else:
             e = create_engine(
                     dsn,
@@ -95,6 +114,7 @@ class SessionBase(Model):
 
     @staticmethod
     def release_session(session=None):
+        session.flush()
         session_key = str(id(session))
         if SessionBase.localsessions.get(session_key) != None:
             logg.debug('destroying session {}'.format(session_key))

apps/cic-eth/cic_eth/db/models/role.py

@@ -24,9 +24,10 @@ class AccountRole(SessionBase):
     tag = Column(Text)
     address_hex = Column(String(42))
 
-
+    
+    # TODO: 
     @staticmethod
-    def get_address(tag):
+    def get_address(tag, session):
         """Get Ethereum address matching the given tag
 
         :param tag: Tag
@@ -34,14 +35,24 @@ class AccountRole(SessionBase):
         :returns: Ethereum address, or zero-address if tag does not exist
         :rtype: str, 0x-hex
         """
-        role = AccountRole.get_role(tag)
-        if role == None:
-            return zero_address
-        return role.address_hex
+        if session == None:
+            raise ValueError('nested bind session calls will not succeed as the first call to release_session in the stack will leave the db object detached further down the stack. We will need additional reference count.')
+
+        session = SessionBase.bind_session(session)
+
+        role = AccountRole.get_role(tag, session)
+    
+        r = zero_address
+        if role != None:
+            r = role.address_hex
+
+        SessionBase.release_session(session)
+
+        return r
 
 
     @staticmethod
-    def get_role(tag):
+    def get_role(tag, session=None):
         """Get AccountRole model object matching the given tag
 
         :param tag: Tag
@@ -49,20 +60,26 @@ class AccountRole(SessionBase):
         :returns: Role object, if found
         :rtype: cic_eth.db.models.role.AccountRole
         """
-        session = AccountRole.create_session()
-        role = AccountRole.__get_role(session, tag)
-        session.close()
-        #return role.address_hex
+        session = SessionBase.bind_session(session)
+        
+        role = AccountRole.__get_role(tag, session)
+        
+        SessionBase.release_session(session)
+
         return role
 
 
     @staticmethod
-    def __get_role(session, tag):
-        return session.query(AccountRole).filter(AccountRole.tag==tag).first()
+    def __get_role(tag, session):
+        q = session.query(AccountRole)
+        q = q.filter(AccountRole.tag==tag)
+        r = q.first()
+        session.flush()
+        return r
 
 
     @staticmethod    
-    def set(tag, address_hex):
+    def set(tag, address_hex, session=None):
         """Persist a tag to Ethereum address association. 
 
         This will silently overwrite the existing value.
@@ -74,16 +91,16 @@ class AccountRole(SessionBase):
         :returns: Role object
         :rtype: cic_eth.db.models.role.AccountRole
         """
-        #session = AccountRole.create_session()
-        #role = AccountRole.__get(session, tag)
-        role = AccountRole.get_role(tag) #session, tag)
+        session = SessionBase.bind_session(session)
+        
+        role = AccountRole.get_role(tag, session)
         if role == None:
             role = AccountRole(tag)
         role.address_hex = address_hex
-        #session.add(role)
-        #session.commit()
-        #session.close()
-        return role #address_hex
+        
+        SessionBase.release_session(session)
+
+        return role 
 
 
     @staticmethod
@@ -95,20 +112,17 @@ class AccountRole(SessionBase):
         :returns: Role tag, or None if no match
         :rtype: str or None
         """
-        localsession = session
-        if localsession == None:
-            localsession = SessionBase.create_session()
+        session = SessionBase.bind_session(session)
 
-        q = localsession.query(AccountRole)
+        q = session.query(AccountRole)
         q = q.filter(AccountRole.address_hex==address)
         role = q.first()
         tag = None
         if role != None:
             tag = role.tag
 
-        if session == None:
-            localsession.close()
-       
+        SessionBase.release_session(session)
+
         return tag
 
 

apps/cic-eth/cic_eth/db/models/tx.py

@@ -85,18 +85,18 @@ class TxCache(SessionBase):
         :param tx_hash_new: tx hash to associate the copied entry with
         :type tx_hash_new: str, 0x-hex
         """
-        localsession = session
-        if localsession == None:
-            localsession = SessionBase.create_session()
-
+        localsession = SessionBase.bind_session(session)
+        
         q = localsession.query(TxCache)
         q = q.join(Otx)
         q = q.filter(Otx.tx_hash==tx_hash_original)
         txc = q.first()
 
         if txc == None:
+            SessionBase.release_session(localsession)
             raise NotLocalTxError('original {}'.format(tx_hash_original))
         if txc.block_number != None:
+            SessionBase.release_session(localsession)
             raise TxStateChangeError('cannot clone tx cache of confirmed tx {}'.format(tx_hash_original))
 
         q = localsession.query(Otx)
@@ -104,6 +104,7 @@ class TxCache(SessionBase):
         otx = q.first()
 
         if otx == None:
+            SessionBase.release_session(localsession)
             raise NotLocalTxError('new {}'.format(tx_hash_new))
 
         txc_new = TxCache(
@@ -118,15 +119,14 @@ class TxCache(SessionBase):
         localsession.add(txc_new)
         localsession.commit()
 
-        if session == None:
-            localsession.close()
+        SessionBase.release_session(localsession)
 
 
-    def __init__(self, tx_hash, sender, recipient, source_token_address, destination_token_address, from_value, to_value, block_number=None, tx_index=None):
-        session = SessionBase.create_session()
-        tx = session.query(Otx).filter(Otx.tx_hash==tx_hash).first()
+    def __init__(self, tx_hash, sender, recipient, source_token_address, destination_token_address, from_value, to_value, block_number=None, tx_index=None, session=None):
+        localsession = SessionBase.bind_session(session)
+        tx = localsession.query(Otx).filter(Otx.tx_hash==tx_hash).first()
         if tx == None:
-            session.close()
+            SessionBase.release_session(localsession)
             raise FileNotFoundError('outgoing transaction record unknown {} (add a Tx first)'.format(tx_hash))
         self.otx_id = tx.id
 
@@ -143,4 +143,5 @@ class TxCache(SessionBase):
         self.date_updated = self.date_created
         self.date_checked = self.date_created
 
+        SessionBase.release_session(localsession)
 

apps/cic-eth/cic_eth/eth/account.py

@@ -178,8 +178,10 @@ def register(self, account_address, chain_str, writer_address=None):
     """
     chain_spec = ChainSpec.from_chain_str(chain_str)
 
+    session = SessionBase.create_session()
     if writer_address == None:
-        writer_address = AccountRole.get_address('ACCOUNTS_INDEX_WRITER')
+        writer_address = AccountRole.get_address('ACCOUNTS_INDEX_WRITER', session)
+    session.close()
 
     if writer_address == zero_address:
         raise RoleMissingError(account_address)
@@ -304,6 +306,8 @@ def cache_gift_data(
     tx = unpack_signed_raw_tx(tx_signed_raw_bytes, chain_spec.chain_id())
     tx_data = unpack_gift(tx['data'])
 
+    session = SessionBase.create_session()
+
     tx_cache = TxCache(
         tx_hash_hex,
         tx['from'],
@@ -312,9 +316,9 @@ def cache_gift_data(
         zero_address,
         0,
         0,
+        session=session,
             )
 
-    session = SessionBase.create_session()
     session.add(tx_cache)
     session.commit()
     cache_id = tx_cache.id
@@ -347,6 +351,7 @@ def cache_account_data(
     tx = unpack_signed_raw_tx(tx_signed_raw_bytes, chain_spec.chain_id())
     tx_data = unpack_register(tx['data'])
 
+    session = SessionBase.create_session()
     tx_cache = TxCache(
         tx_hash_hex,
         tx['from'],
@@ -355,9 +360,8 @@ def cache_account_data(
         zero_address,
         0,
         0,
+        session=session,
             )
-
-    session = SessionBase.create_session()
     session.add(tx_cache)
     session.commit()
     cache_id = tx_cache.id

apps/cic-eth/cic_eth/eth/gas.py

@@ -52,7 +52,10 @@ class GasOracle():
         :returns: Etheerum account address
         :rtype: str, 0x-hex
         """
-        return AccountRole.get_address('GAS_GIFTER')
+        session = SessionBase.create_session()
+        a = AccountRole.get_address('GAS_GIFTER', session)
+        session.close()
+        return a
 
 
     def gas_price(self, category='safe'):

apps/cic-eth/cic_eth/eth/token.py

@@ -381,6 +381,7 @@ def cache_transfer_data(
         tx['to'],
         tx_data['amount'],
         tx_data['amount'],
+        session=session,
             )
     session.add(tx_cache)
     session.commit()
@@ -440,6 +441,7 @@ def cache_approve_data(
         tx['to'],
         tx_data['amount'],
         tx_data['amount'],
+        session=session,
             )
     session.add(tx_cache)
     session.commit()

apps/cic-eth/cic_eth/eth/tx.py

@@ -78,7 +78,6 @@ def check_gas(self, tx_hashes, chain_str, txs=[], address=None, gas_required=Non
 
     # TODO: it should not be necessary to pass address explicitly, if not passed should be derived from the tx
     balance = c.w3.eth.getBalance(address) 
-    logg.debug('check gas txs {}'.format(tx_hashes))
     logg.debug('address {} has gas {} needs {}'.format(address, balance, gas_required))
 
     if gas_required > balance:
@@ -126,7 +125,6 @@ def check_gas(self, tx_hashes, chain_str, txs=[], address=None, gas_required=Non
             queue=queue,
             )
         ready_tasks.append(s)
-    logg.debug('tasks {}'.format(ready_tasks))
     celery.group(ready_tasks)()
 
     return txs
@@ -143,7 +141,6 @@ def hashes_to_txs(self, tx_hashes):
     :returns: Signed raw transactions
     :rtype: list of str, 0x-hex
     """
-    #logg = celery_app.log.get_default_logger()
     if len(tx_hashes) == 0:
         raise ValueError('no transaction to send')
 
@@ -351,15 +348,12 @@ def send(self, txs, chain_str):
     tx_hash_hex = tx_hash.hex()
 
     queue = self.request.delivery_info.get('routing_key', None)
-    if queue == None:
-        logg.debug('send tx {} has no queue', tx_hash)
 
     c = RpcClient(chain_spec)
     r = None
     try:
         r = c.w3.eth.send_raw_transaction(tx_hex)
     except Exception as e:
-        logg.debug('e {}'.format(e))
         raiser = ParityNodeHandler(chain_spec, queue)
         (t, e, m) = raiser.handle(e, tx_hash_hex, tx_hex)
         raise e(m)
@@ -405,7 +399,7 @@ def refill_gas(self, recipient_address, chain_str):
     q = session.query(Otx.tx_hash)
     q = q.join(TxCache)
     q = q.filter(Otx.status.op('&')(StatusBits.FINAL.value)==0)
-    q = q.filter(TxCache.from_value!='0x00')
+    q = q.filter(TxCache.from_value!=0)
     q = q.filter(TxCache.recipient==recipient_address)
     c = q.count()
     session.close()
@@ -423,7 +417,7 @@ def refill_gas(self, recipient_address, chain_str):
     gas_price = c.gas_price()
     gas_limit = c.default_gas_limit
     refill_amount = c.refill_amount()
-    logg.debug('gas price {} nonce {}'.format(gas_price, nonce))
+    logg.debug('tx send gas price {} nonce {}'.format(gas_price, nonce))
 
     # create and sign transaction
     tx_send_gas = {
@@ -436,7 +430,6 @@ def refill_gas(self, recipient_address, chain_str):
                 'value': refill_amount,
                 'data': '',
             }
-    logg.debug('txsend_gas {}'.format(tx_send_gas))
     tx_send_gas_signed = c.w3.eth.sign_transaction(tx_send_gas)
     tx_hash = web3.Web3.keccak(hexstr=tx_send_gas_signed['raw'])
     tx_hash_hex = tx_hash.hex()
@@ -487,11 +480,14 @@ def resend_with_higher_gas(self, txold_hash_hex, chain_str, gas=None, default_fa
     :rtype: str, 0x-hex
     """
     session = SessionBase.create_session()
-    otx = session.query(Otx).filter(Otx.tx_hash==txold_hash_hex).first()
-    if otx == None:
-        session.close()
-        raise NotLocalTxError(txold_hash_hex)
+
+    
+    q = session.query(Otx)
+    q = q.filter(Otx.tx_hash==txold_hash_hex)
+    otx = q.first()
     session.close()
+    if otx == None:
+        raise NotLocalTxError(txold_hash_hex)
 
     chain_spec = ChainSpec.from_chain_str(chain_str)
     c = RpcClient(chain_spec)
@@ -508,7 +504,7 @@ def resend_with_higher_gas(self, txold_hash_hex, chain_str, gas=None, default_fa
     else:
         gas_price = c.gas_price()
         if tx['gasPrice'] > gas_price:
-            logg.warning('Network gas price {} is lower than overdue tx gas price {}'.format(gas_price, tx['gasPrice']))
+            logg.info('Network gas price {} is lower than overdue tx gas price {}'.format(gas_price, tx['gasPrice']))
             #tx['gasPrice'] = int(tx['gasPrice'] * default_factor)
             tx['gasPrice'] += 1
         else:
@@ -518,9 +514,6 @@ def resend_with_higher_gas(self, txold_hash_hex, chain_str, gas=None, default_fa
             else:
                 tx['gasPrice'] = new_gas_price
 
-    logg.debug('after {}'.format(tx))
-
-    #(tx_hash_hex, tx_signed_raw_hex) = sign_and_register_tx(tx, chain_str, queue)
     (tx_hash_hex, tx_signed_raw_hex) = sign_tx(tx, chain_str)
     queue_create(
         tx['nonce'],
@@ -540,6 +533,7 @@ def resend_with_higher_gas(self, txold_hash_hex, chain_str, gas=None, default_fa
             queue=queue,
             )
     s.apply_async()
+
     return tx_hash_hex
 
 
@@ -602,7 +596,9 @@ def resume_tx(self, txpending_hash_hex, chain_str):
     chain_spec = ChainSpec.from_chain_str(chain_str)
 
     session = SessionBase.create_session()
-    r = session.query(Otx.signed_tx).filter(Otx.tx_hash==txpending_hash_hex).first()
+    q = session.query(Otx.signed_tx)
+    q = q.filter(Otx.tx_hash==txpending_hash_hex)
+    r = q.first()
     session.close()
     if r == None:
         raise NotLocalTxError(txpending_hash_hex)

apps/cic-eth/cic_eth/queue/tx.py

@@ -35,8 +35,7 @@ celery_app = celery.current_app
 logg = logging.getLogger()
 
 
-@celery_app.task()
-def create(nonce, holder_address, tx_hash, signed_tx, chain_str, obsolete_predecessors=True):
+def create(nonce, holder_address, tx_hash, signed_tx, chain_str, obsolete_predecessors=True, session=None):
     """Create a new transaction queue record.
 
     :param nonce: Transaction nonce
@@ -52,10 +51,10 @@ def create(nonce, holder_address, tx_hash, signed_tx, chain_str, obsolete_predec
     :returns: transaction hash
     :rtype: str, 0x-hash
     """
-    session = SessionBase.create_session()
+    session = SessionBase.bind_session(session)
     lock = Lock.check_aggregate(chain_str, LockEnum.QUEUE, holder_address, session=session) 
     if lock > 0:
-        session.close()
+        SessionBase.release_session(session)
         raise LockedError(lock)
 
     o = Otx.add(
@@ -81,7 +80,7 @@ def create(nonce, holder_address, tx_hash, signed_tx, chain_str, obsolete_predec
             otx.cancel(confirmed=False, session=session)
 
     session.commit()
-    session.close()
+    SessionBase.release_session(session)
     logg.debug('queue created nonce {} from {} hash {}'.format(nonce, holder_address, tx_hash))
     return tx_hash
 
@@ -100,7 +99,9 @@ def set_sent_status(tx_hash, fail=False):
     :rtype: boolean
     """
     session = SessionBase.create_session()
-    o = session.query(Otx).filter(Otx.tx_hash==tx_hash).first()
+    q = session.query(Otx)
+    q = q.filter(Otx.tx_hash==tx_hash)
+    o = q.first()
     if o == None:
         logg.warning('not local tx, skipping {}'.format(tx_hash))
         session.close()
@@ -454,6 +455,7 @@ def get_tx(tx_hash):
     session = SessionBase.create_session()
     tx = session.query(Otx).filter(Otx.tx_hash==tx_hash).first()
     if tx == None:
+        session.close()
         raise NotLocalTxError('queue does not contain tx hash {}'.format(tx_hash))
 
     o = {
@@ -498,7 +500,7 @@ def get_nonce_tx(nonce, sender, chain_id):
 
 
 # TODO: pass chain spec instead of chain id
-def get_paused_txs(status=None, sender=None, chain_id=0):
+def get_paused_txs(status=None, sender=None, chain_id=0, session=None):
     """Returns not finalized transactions that have been attempted sent without success.
 
     :param status: If set, will return transactions with this local queue status only
@@ -511,12 +513,13 @@ def get_paused_txs(status=None, sender=None, chain_id=0):
     :returns: Transactions
     :rtype: dict, with transaction hash as key, signed raw transaction as value
     """
-    session = SessionBase.create_session()
+    session = SessionBase.bind_session(session)
     q = session.query(Otx)
 
     if status != None:
         #if status == StatusEnum.PENDING or status >= StatusEnum.SENT:
         if status == StatusEnum.PENDING or status & StatusBits.IN_NETWORK or not is_alive(status):
+            SessionBase.release_session(session)
             raise ValueError('not a valid paused tx value: {}'.format(status))
         q = q.filter(Otx.status.op('&')(status.value)==status.value)
         q = q.join(TxCache)
@@ -536,12 +539,12 @@ def get_paused_txs(status=None, sender=None, chain_id=0):
             #gas += tx['gas'] * tx['gasPrice']
             txs[r.tx_hash] = r.signed_tx
 
-    session.close()
+    SessionBase.release_session(session)
 
     return txs
 
 
-def get_status_tx(status, before=None, exact=False, limit=0):
+def get_status_tx(status, before=None, exact=False, limit=0, session=None):
     """Retrieve transaction with a specific queue status.
 
     :param status: Status to match transactions with
@@ -554,7 +557,7 @@ def get_status_tx(status, before=None, exact=False, limit=0):
     :rtype: list of cic_eth.db.models.otx.Otx
     """
     txs = {}
-    session = SessionBase.create_session()
+    session = SessionBase.bind_session(session)
     q = session.query(Otx)
     q = q.join(TxCache)
     q = q.filter(TxCache.date_updated<before)
@@ -568,12 +571,12 @@ def get_status_tx(status, before=None, exact=False, limit=0):
             break
         txs[o.tx_hash] = o.signed_tx
         i += 1
-    session.close()
+    SessionBase.release_session(session)
     return txs
 
 
 # TODO: move query to model
-def get_upcoming_tx(status=StatusEnum.READYSEND, recipient=None, before=None, chain_id=0):
+def get_upcoming_tx(status=StatusEnum.READYSEND, recipient=None, before=None, chain_id=0, session=None):
     """Returns the next pending transaction, specifically the transaction with the lowest nonce, for every recipient that has pending transactions.
 
     Will omit addresses that have the LockEnum.SEND bit in Lock set.
@@ -592,7 +595,7 @@ def get_upcoming_tx(status=StatusEnum.READYSEND, recipient=None, before=None, ch
     :returns: Transactions
     :rtype: dict, with transaction hash as key, signed raw transaction as value
     """
-    session = SessionBase.create_session()
+    session = SessionBase.bind_session(session)
     q_outer = session.query(
             TxCache.sender,
             func.min(Otx.nonce).label('nonce'),
@@ -602,6 +605,7 @@ def get_upcoming_tx(status=StatusEnum.READYSEND, recipient=None, before=None, ch
     q_outer = q_outer.filter(or_(Lock.flags==None, Lock.flags.op('&')(LockEnum.SEND.value)==0))
 
     if not is_alive(status):
+        SessionBase.release_session(session)
         raise ValueError('not a valid non-final tx value: {}'.format(status))
     if status == StatusEnum.PENDING:
         q_outer = q_outer.filter(Otx.status==status.value)
@@ -643,7 +647,7 @@ def get_upcoming_tx(status=StatusEnum.READYSEND, recipient=None, before=None, ch
         session.add(o)
         session.commit()
 
-    session.close()
+    SessionBase.release_session(session)
 
     return txs
 

apps/cic-eth/cic_eth/runnable/create.py

@@ -76,8 +76,9 @@ def main():
     t = api.create_account(register=register)
 
     ps.get_message()
-    m = ps.get_message(timeout=args.timeout)
-    print(json.loads(m['data']))
+    o = ps.get_message(timeout=args.timeout)
+    m = json.loads(o['data'])
+    print(m['result'])
 
 
 if __name__ == '__main__':

apps/cic-eth/cic_eth/runnable/daemons/dispatcher.py

@@ -91,6 +91,8 @@ run = True
 
 class DispatchSyncer:
 
+    yield_delay = 0.005
+
     def __init__(self, chain_spec):
         self.chain_spec = chain_spec
         self.chain_id = chain_spec.chain_id()
@@ -138,7 +140,10 @@ class DispatchSyncer:
                 txs[k] = utxs[k]
             self.process(w3, txs)
 
-            time.sleep(interval)
+            if len(utxs) > 0:
+                time.sleep(self.yield_delay)
+            else:
+                time.sleep(interval)
 
 
 def main(): 

apps/cic-eth/cic_eth/runnable/daemons/filters/callback.py

@@ -37,7 +37,7 @@ class CallbackFilter(SyncFilter):
                 transfer_type,
                 int(rcpt.status == 0),
             ],
-            queue=tc.queue,
+            queue=self.queue,
             )
 #        s_translate = celery.signature(
 #            'cic_eth.ext.address.translate',
@@ -82,7 +82,7 @@ class CallbackFilter(SyncFilter):
         return (transfer_type, transfer_data)
 
 
-    def filter(self, w3, tx, rcpt, chain_spec):
+    def filter(self, w3, tx, rcpt, chain_spec, session=None):
         logg.debug('applying callback filter "{}:{}"'.format(self.queue, self.method))
         chain_str = str(chain_spec)
 

apps/cic-eth/cic_eth/runnable/daemons/filters/gas.py

@@ -5,9 +5,10 @@ import logging
 from cic_registry.chain import ChainSpec
 
 # local imports
+from cic_eth.db.enum import StatusBits
 from cic_eth.db.models.base import SessionBase
 from cic_eth.db.models.tx import TxCache
-from cic_eth.db import Otx
+from cic_eth.db.models.otx import Otx
 from cic_eth.queue.tx import get_paused_txs
 from cic_eth.eth.task import create_check_gas_and_send_task
 from .base import SyncFilter
@@ -17,29 +18,31 @@ logg = logging.getLogger()
 
 class GasFilter(SyncFilter):
 
-    def __init__(self, gas_provider):
+    def __init__(self, gas_provider, queue=None):
+        self.queue = queue
         self.gas_provider = gas_provider
 
 
-    def filter(self, w3, tx, rcpt, chain_str):
+    def filter(self, w3, tx, rcpt, chain_str, session=None):
         logg.debug('applying gas filter')
         tx_hash_hex = tx.hash.hex()
         if tx['value'] > 0:
             logg.debug('gas refill tx {}'.format(tx_hash_hex))
-            session = SessionBase.create_session()
+            session = SessionBase.bind_session(session)
             q = session.query(TxCache.recipient)
             q = q.join(Otx)
             q = q.filter(Otx.tx_hash==tx_hash_hex)
             r = q.first()
 
-            session.close()
-
             if r == None:
                 logg.warning('unsolicited gas refill tx {}'.format(tx_hash_hex))
+                SessionBase.release_session(session)
                 return
 
             chain_spec = ChainSpec.from_chain_str(chain_str)
-            txs = get_paused_txs(StatusEnum.WAITFORGAS, r[0], chain_spec.chain_id())
+            txs = get_paused_txs(StatusBits.GAS_ISSUES, r[0], chain_spec.chain_id(), session=session)
+
+            SessionBase.release_session(session)
 
             if len(txs) > 0:
                 logg.info('resuming gas-in-waiting txs for {}: {}'.format(r[0], txs.keys()))
@@ -49,6 +52,6 @@ class GasFilter(SyncFilter):
                         r[0],
                         0,
                         tx_hashes_hex=list(txs.keys()),
-                        queue=queue,
+                        queue=self.queue,
                 )
                 s.apply_async()

apps/cic-eth/cic_eth/runnable/daemons/filters/register.py

@@ -15,7 +15,11 @@ account_registry_add_log_hash = '0x5ed3bdd47b9af629827a8d129aa39c870b10c03f0153f
 
 class RegistrationFilter(SyncFilter):
 
-    def filter(self, w3, tx, rcpt, chain_spec):
+    def __init__(self, queue):
+        self.queue = queue
+
+
+    def filter(self, w3, tx, rcpt, chain_spec, session=None):
         logg.debug('applying registration filter')
         registered_address = None
         for l in rcpt['logs']:
@@ -30,6 +34,6 @@ class RegistrationFilter(SyncFilter):
                         address,
                         str(chain_spec),
                         ],
-                    queue=queue,
+                    queue=self.queue,
                     )
                 s.apply_async()

apps/cic-eth/cic_eth/runnable/daemons/filters/tx.py

@@ -6,6 +6,7 @@ import celery
 
 # local imports
 from cic_eth.db.models.otx import Otx
+from cic_eth.db.models.base import SessionBase
 from .base import SyncFilter
 
 logg = logging.getLogger()
@@ -17,15 +18,17 @@ class TxFilter(SyncFilter):
         self.queue = queue
 
 
-    def filter(self, w3, tx, rcpt, chain_spec):
+    def filter(self, w3, tx, rcpt, chain_spec, session=None):
+        session = SessionBase.bind_session(session)
         logg.debug('applying tx filter')
         tx_hash_hex = tx.hash.hex()
-        otx = Otx.load(tx_hash_hex)
+        otx = Otx.load(tx_hash_hex, session=session)
+        SessionBase.release_session(session)
         if otx == None:
             logg.debug('tx {} not found locally, skipping'.format(tx_hash_hex))
             return None
         logg.info('otx found {}'.format(otx.tx_hash))
-        s = celery.siignature(
+        s = celery.signature(
                 'cic_eth.queue.tx.set_final_status',
                 [
                     tx_hash_hex,

apps/cic-eth/cic_eth/runnable/daemons/manager.py

@@ -118,7 +118,7 @@ declarator = CICRegistry.get_contract(chain_spec, 'AddressDeclarator', interface
 
 
 dsn = dsn_from_config(config)
-SessionBase.connect(dsn)
+SessionBase.connect(dsn, pool_size=1, debug=config.true('DATABASE_DEBUG'))
 
 
 def main():
@@ -178,9 +178,9 @@ def main():
 
     tx_filter = TxFilter(queue)
 
-    registration_filter = RegistrationFilter()
+    registration_filter = RegistrationFilter(queue)
 
-    gas_filter = GasFilter(c.gas_provider())
+    gas_filter = GasFilter(c.gas_provider(), queue)
 
     i = 0
     for syncer in syncers:

apps/cic-eth/cic_eth/runnable/daemons/tasker.py

@@ -32,6 +32,7 @@ from cic_eth.admin import ctrl
 from cic_eth.eth.rpc import RpcClient
 from cic_eth.eth.rpc import GasOracle
 from cic_eth.queue import tx
+from cic_eth.queue import balance
 from cic_eth.callbacks import Callback
 from cic_eth.callbacks import http
 from cic_eth.callbacks import tcp
@@ -49,6 +50,7 @@ argparser = argparse.ArgumentParser()
 argparser.add_argument('-p', '--provider', dest='p', type=str, help='web3 provider')
 argparser.add_argument('-c', type=str, default=config_dir, help='config file')
 argparser.add_argument('-q', type=str, default='cic-eth', help='queue name for worker tasks')
+argparser.add_argument('-r', type=str, help='CIC registry address')
 argparser.add_argument('--abi-dir', dest='abi_dir', type=str, help='Directory containing bytecode and abi')
 argparser.add_argument('--trace-queue-status', default=None, dest='trace_queue_status', action='store_true', help='set to perist all queue entry status changes to storage')
 argparser.add_argument('-i', '--chain-spec', dest='i', type=str, help='chain spec')
@@ -68,6 +70,7 @@ config.process()
 args_override = {
         'ETH_ABI_DIR': getattr(args, 'abi_dir'),
         'CIC_CHAIN_SPEC': getattr(args, 'i'),
+        'CIC_REGISTRY_ADDRESS': getattr(args, 'r'),
         'ETH_PROVIDER': getattr(args, 'p'),
         'TASKS_TRACE_QUEUE_STATUS': getattr(args, 'trace_queue_status'),
         }
@@ -78,7 +81,7 @@ logg.debug('config loaded from {}:\n{}'.format(args.c, config))
 
 # connect to database
 dsn = dsn_from_config(config)
-SessionBase.connect(dsn)
+SessionBase.connect(dsn, pool_size=8, debug=config.true('DATABASE_DEBUG'))
 
 # verify database connection with minimal sanity query
 session = SessionBase.create_session()
@@ -179,7 +182,6 @@ def web3ext_constructor():
     return (blockchain_provider, w3)
 RpcClient.set_constructor(web3ext_constructor) 
 
-logg.info('ccc {}'.format(config.store['TASKS_TRACE_QUEUE_STATUS']))
 Otx.tracing = config.true('TASKS_TRACE_QUEUE_STATUS')
 
 
@@ -229,7 +231,7 @@ def main():
     for address in trusted_addresses:
         logg.info('using trusted address {}'.format(address))
     oracle = DeclaratorOracleAdapter(declarator.contract, trusted_addresses)
-    chain_registry.add_oracle('naive_erc20_oracle', oracle)
+    chain_registry.add_oracle(oracle, 'naive_erc20_oracle')
 
 
     #chain_spec = CICRegistry.default_chain_spec

apps/cic-eth/cic_eth/sync/backend.py

@@ -28,20 +28,25 @@ class SyncerBackend:
     def connect(self):
         """Loads the state of the syncer session with the given id.
         """
-        self.db_session = SessionBase.create_session()
+        if self.db_session == None:
+            self.db_session = SessionBase.create_session()
         q = self.db_session.query(BlockchainSync)
         q = q.filter(BlockchainSync.id==self.object_id)
         self.db_object = q.first()
         if self.db_object == None:
+            self.disconnect()
             raise ValueError('sync entry with id {} not found'.format(self.object_id))
+        return self.db_session
 
 
     def disconnect(self):
         """Commits state of sync to backend.
         """
-        self.db_session.add(self.db_object)
-        self.db_session.commit()
-        self.db_session.close()
+        if self.db_session != None:
+            self.db_session.add(self.db_object)
+            self.db_session.commit()
+            self.db_session.close()
+            self.db_session = None
        
 
     def chain(self):

apps/cic-eth/cic_eth/sync/history.py

@@ -21,7 +21,7 @@ class HistorySyncer(MinedSyncer):
     :param mx: Maximum number of blocks to return in one call
     :type mx: int
     """
-    def __init__(self, bc_cache, mx=20):
+    def __init__(self, bc_cache, mx=500):
         super(HistorySyncer, self).__init__(bc_cache)
         self.max = mx
 

apps/cic-eth/cic_eth/sync/mined.py

@@ -23,6 +23,8 @@ class MinedSyncer(Syncer):
     :type bc_cache: Object implementing methods from cic_eth.sync.SyncerBackend 
     """
 
+    yield_delay = 0.005
+
     def __init__(self, bc_cache):
         super(MinedSyncer, self).__init__(bc_cache)
         self.block_offset = 0
@@ -56,7 +58,8 @@ class MinedSyncer(Syncer):
             # TODO: ensure filter loop can complete on graceful shutdown
             for f in self.filter:
                 #try:
-                task_uuid = f(w3, tx, rcpt, self.chain())
+                session = self.bc_cache.connect()
+                task_uuid = f(w3, tx, rcpt, self.chain(), session)
                 #except Exception as e:
                 #    logg.error('error in filter {} tx {}: {}'.format(f, tx_hash_hex, e))
                 #    continue
@@ -99,5 +102,8 @@ class MinedSyncer(Syncer):
                 block_number = self.process(c.w3, block.hex())
                 logg.info('processed block {} {}'.format(block_number, block.hex()))
             self.bc_cache.disconnect()
-            time.sleep(interval)
+            if len(e) > 0:
+                time.sleep(self.yield_delay)
+            else:
+                time.sleep(interval)
         logg.info("Syncer no longer set to run, gracefully exiting")

apps/cic-eth/cic_eth/version.py

@@ -10,7 +10,7 @@ version = (
         0,
         10,
         0,
-        'alpha.26',
+        'alpha.30',
         )
 
 version_object = semver.VersionInfo(

apps/cic-eth/config/cic.ini

@@ -2,4 +2,4 @@
 registry_address = 
 chain_spec = 
 tx_retry_delay = 
-trust_address = 
+trust_address =

apps/cic-eth/config/docker/bancor.ini

@@ -0,0 +1,2 @@
+[bancor]
+dir = /usr/local/share/cic/bancor

apps/cic-eth/config/docker/celery.ini

@@ -0,0 +1,3 @@
+[celery]
+broker_url = redis://localhost:63379
+result_url = redis://localhost:63379

apps/cic-eth/config/docker/cic.ini

@@ -0,0 +1,4 @@
+[cic]
+registry_address = 
+chain_spec = evm:bloxberg:8996
+trust_address = 0xEb3907eCad74a0013c259D5874AE7f22DcBcC95C

apps/cic-eth/config/docker/custody.ini

@@ -0,0 +1,2 @@
+[custody]
+account_index_address =

apps/cic-eth/config/docker/database.ini

@@ -0,0 +1,9 @@
+[database]
+NAME=cic_eth
+USER=postgres
+PASSWORD=tralala
+HOST=localhost
+PORT=63432
+ENGINE=postgresql
+DRIVER=psycopg2
+DEBUG=1

apps/cic-eth/config/docker/dispatcer.ini

@@ -0,0 +1,2 @@
+[dispatcher]
+loop_interval = 0.9

apps/cic-eth/config/docker/eth.ini

@@ -0,0 +1,8 @@
+[eth]
+#ws_provider = ws://localhost:8546
+#ttp_provider = http://localhost:8545
+provider = http://localhost:63545
+gas_provider_address = 
+#chain_id = 
+abi_dir = /home/lash/src/ext/cic/grassrootseconomics/cic-contracts/abis
+account_accounts_index_writer = 

apps/cic-eth/config/docker/redis.ini

@@ -0,0 +1,4 @@
+[redis]
+host = localhost
+port = 63379
+db = 0

apps/cic-eth/config/docker/signer.ini

@@ -0,0 +1,5 @@
+[signer]
+socket_path = /tmp/crypto-dev-signer/jsonrpc.ipc
+secret = deedbeef
+database_name = signer_test
+dev_keys_path = 

apps/cic-eth/config/docker/ssl.ini

@@ -0,0 +1,6 @@
+[SSL]
+enable_client = false
+cert_file = 
+key_file =
+password = 
+ca_file =

apps/cic-eth/config/docker/syncer.ini

@@ -0,0 +1,2 @@
+[SYNCER]
+loop_interval = 1

apps/cic-eth/config/docker/tasks.ini

@@ -0,0 +1,3 @@
+[tasks]
+transfer_callbacks = taskcall:cic_eth.callbacks.noop.noop
+trace_queue_status = 1