Add ussd cli

Upgrade cic-eth version

See merge request grassrootseconomics/cic-internal-integration!53

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

@@ -29,8 +29,8 @@ def upgrade():
             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('from_value', sa.NUMERIC(), nullable=False),
+            sa.Column('to_value', sa.NUMERIC(), nullable=False),
             sa.Column('date_block', sa.DateTime, nullable=False),
             )
     op.create_table(

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

@@ -312,7 +312,7 @@ class Tracker:
         session.close()
 
 (provider, w3) = web3_constructor()
-trust = config.get('CIC_TRUST_ADDRESS', []).split(",")
+trust = config.get('CIC_TRUST_ADDRESS', "").split(",")
 chain_spec = args.i
 
 try:

apps/cic-cache/config/database.ini

@@ -1,5 +1,5 @@
 [database]
-NAME=cic-eth
+NAME=cic_cache
 USER=postgres
 PASSWORD=
 HOST=localhost

apps/cic-eth/cic_eth/admin/ctrl.py

@@ -8,6 +8,7 @@ from cic_registry import zero_address
 
 # local imports
 from cic_eth.db.enum import LockEnum
+from cic_eth.db.models.base import SessionBase
 from cic_eth.db.models.lock import Lock
 from cic_eth.error import LockedError
 
@@ -116,9 +117,10 @@ def unlock_queue(chained_input, chain_str, address=zero_address):
 
 @celery_app.task()
 def check_lock(chained_input, chain_str, lock_flags, address=None):
-    r = Lock.check(chain_str, lock_flags, address=zero_address)
+    session = SessionBase.create_session()
+    r = Lock.check(chain_str, lock_flags, address=zero_address, session=session)
     if address != None:
-        r |= Lock.check(chain_str, lock_flags, address=address)
+        r |= Lock.check(chain_str, lock_flags, address=address, session=session)
     if r > 0:
         logg.debug('lock check {} has match {} for {}'.format(lock_flags, r, address))
         raise LockedError(r)

apps/cic-eth/cic_eth/admin/debug.py

@@ -1,12 +1,25 @@
+# standard imports
 import datetime
 
+# external imports
 import celery
 
+# local imports
+from cic_eth.db.models.debug import Debug
+from cic_eth.db.models.base import SessionBase
+from cic_eth.task import CriticalSQLAlchemyTask
+
 celery_app = celery.current_app
 
 
-@celery_app.task()
-def out_tmp(tag, txt):
-    f = open('/tmp/err.{}.txt'.format(tag), "w")
-    f.write(txt)
-    f.close()
+@celery_app.task(base=CriticalSQLAlchemyTask)
+def alert(chained_input, tag, txt):
+    session = SessionBase.create_session()
+
+    o = Debug(tag, txt)
+    session.add(o)
+    session.commit()
+
+    session.close()
+    
+    return chained_input

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

@@ -1,5 +1,6 @@
 # standard imports
 import logging
+import sys
 
 # third-party imports
 import celery
@@ -317,6 +318,8 @@ class AdminApi:
         :return: Transaction details
         :rtype: dict
         """
+        problems = []
+
         if tx_hash != None and tx_raw != None:
             ValueError('Specify only one of hash or raw tx')
 
@@ -444,10 +447,12 @@ class AdminApi:
             r = c.w3.eth.getTransactionReceipt(tx_hash)
             if r.status == 1:
                 tx['network_status'] = 'Confirmed'
-                tx['block'] = r.blockNumber
-                tx['tx_index'] = r.transactionIndex
             else:
                 tx['network_status'] = 'Reverted'
+            tx['network_block_number'] = r.blockNumber
+            tx['network_tx_index'] = r.transactionIndex
+            if tx['block_number'] == None:
+                problems.append('Queue is missing block number {} for mined tx'.format(r.blockNumber))
         except web3.exceptions.TransactionNotFound:
             pass
 
@@ -457,6 +462,7 @@ class AdminApi:
         tx_unpacked = unpack_signed_raw_tx(bytes.fromhex(tx['signed_tx'][2:]), chain_spec.chain_id())
         tx['gas_price'] = tx_unpacked['gasPrice']
         tx['gas_limit'] = tx_unpacked['gas']
+        tx['data'] = tx_unpacked['data']
 
         s = celery.signature(
             'cic_eth.queue.tx.get_state_log',
@@ -468,4 +474,9 @@ class AdminApi:
         t = s.apply_async()
         tx['status_log'] = t.get()
 
+        if len(problems) > 0:
+            sys.stderr.write('\n')
+            for p in problems:
+                sys.stderr.write('!!!{}\n'.format(p))
+
         return tx

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
 
@@ -89,6 +92,11 @@ class Api:
                     ],
                 queue=self.queue,
                 )
+        s_nonce = celery.signature(
+                'cic_eth.eth.tx.reserve_nonce',
+                [],
+                queue=self.queue,
+                )
         s_tokens = celery.signature(
                 'cic_eth.eth.token.resolve_tokens_by_symbol',
                 [
@@ -107,7 +115,8 @@ class Api:
                     ],
                 queue=self.queue,
                 )
-        s_check.link(s_tokens)
+        s_nonce.link(s_tokens)
+        s_check.link(s_nonce)
         if self.callback_param != None:
             s_convert.link(self.callback_success)
             s_tokens.link(s_convert).on_error(self.callback_error)
@@ -144,6 +153,11 @@ class Api:
                     ],
                 queue=self.queue,
                 )
+        s_nonce = celery.signature(
+                'cic_eth.eth.tx.reserve_nonce',
+                [],
+                queue=self.queue,
+                )
         s_tokens = celery.signature(
                 'cic_eth.eth.token.resolve_tokens_by_symbol',
                 [
@@ -162,7 +176,8 @@ class Api:
                     ],
                 queue=self.queue,
                 )
-        s_check.link(s_tokens)
+        s_nonce.link(s_tokens)
+        s_check.link(s_nonce)
         if self.callback_param != None:
             s_convert.link(self.callback_success)
             s_tokens.link(s_convert).on_error(self.callback_error)
@@ -197,6 +212,13 @@ class Api:
                     ],
                 queue=self.queue,
                 )
+        s_nonce = celery.signature(
+                'cic_eth.eth.tx.reserve_nonce',
+                [
+                    from_address,
+                    ],
+                queue=self.queue,
+                )
         s_tokens = celery.signature(
                 'cic_eth.eth.token.resolve_tokens_by_symbol',
                 [
@@ -214,7 +236,8 @@ class Api:
                     ],
                 queue=self.queue,
                 )
-        s_check.link(s_tokens)
+        s_nonce.link(s_tokens)
+        s_check.link(s_nonce)
         if self.callback_param != None:
             s_transfer.link(self.callback_success)
             s_tokens.link(s_transfer).on_error(self.callback_error)
@@ -225,82 +248,6 @@ class Api:
         return t
 
 
-    def transfer_request(self, from_address, to_address, spender_address, value, token_symbol):
-        """Executes a chain of celery tasks that issues a transfer request of ERC20 tokens from one address to another.
-
-        :param from_address: Ethereum address of sender
-        :type from_address: str, 0x-hex
-        :param to_address: Ethereum address of recipient
-        :type to_address: str, 0x-hex
-        :param spender_address: Ethereum address that is executing transfer (typically an escrow contract)
-        :type spender_address: str, 0x-hex
-        :param value: Estimated return from conversion
-        :type  value: int
-        :param token_symbol: ERC20 token symbol of token to send
-        :type token_symbol: str
-        :returns: uuid of root task
-        :rtype: celery.Task
-        """
-        s_check = celery.signature(
-                'cic_eth.admin.ctrl.check_lock',
-                [
-                    [token_symbol],
-                    self.chain_str,
-                    LockEnum.QUEUE,
-                    from_address,
-                    ],
-                queue=self.queue,
-                )
-        s_tokens_transfer_approval = celery.signature(
-                'cic_eth.eth.token.resolve_tokens_by_symbol',
-                [
-                    self.chain_str,
-                    ],
-                queue=self.queue,
-                )
-        s_tokens_approve = celery.signature(
-                'cic_eth.eth.token.resolve_tokens_by_symbol',
-                [
-                    self.chain_str,
-                    ],
-                queue=self.queue,
-                )
-        s_approve = celery.signature(
-                'cic_eth.eth.token.approve',
-                [
-                    from_address,
-                    spender_address,
-                    value,
-                    self.chain_str,
-                    ],
-                queue=self.queue,
-                )
-        s_transfer_approval = celery.signature(
-                'cic_eth.eth.request.transfer_approval_request',
-                [
-                    from_address,
-                    to_address,
-                    value,
-                    self.chain_str,
-                    ],
-                queue=self.queue,
-                )
-        # TODO: make approve and transfer_approval chainable so callback can be part of the full chain
-        if self.callback_param != None:
-            s_transfer_approval.link(self.callback_success)
-            s_tokens_approve.link(s_approve)
-            s_tokens_transfer_approval.link(s_transfer_approval).on_error(self.callback_error)
-        else:
-            s_tokens_approve.link(s_approve)
-            s_tokens_transfer_approval.link(s_transfer_approval)
-
-        g = celery.group(s_tokens_approve, s_tokens_transfer_approval) #s_tokens.apply_async(queue=self.queue)
-        s_check.link(g)
-        t = s_check.apply_async()
-        #t = s_tokens.apply_async(queue=self.queue)
-        return t
-
-
     def balance(self, address, token_symbol, include_pending=True):
         """Calls the provided callback with the current token balance of the given address.
 
@@ -393,6 +340,11 @@ class Api:
                     ],
                 queue=self.queue,
                 )
+        s_nonce = celery.signature(
+                'cic_eth.eth.tx.reserve_nonce',
+                [],
+                queue=self.queue,
+                )
         s_account = celery.signature(
                 'cic_eth.eth.account.create',
                 [
@@ -400,7 +352,8 @@ class Api:
                     ],
                 queue=self.queue,
                 )
-        s_check.link(s_account)
+        s_nonce.link(s_account)
+        s_check.link(s_nonce)
         if self.callback_param != None:
             s_account.link(self.callback_success)
 
@@ -435,6 +388,11 @@ class Api:
                     ],
                 queue=self.queue,
                 )
+        s_nonce = celery.signature(
+                'cic_eth.eth.tx.reserve_nonce',
+                [],
+                queue=self.queue,
+                )
         s_refill = celery.signature(
                 'cic_eth.eth.tx.refill_gas',
                 [
@@ -442,7 +400,8 @@ class Api:
                     ],
                 queue=self.queue,
                 )
-        s_check.link(s_refill) 
+        s_nonce.link(s_refill) 
+        s_check.link(s_nonce)
         if self.callback_param != None:
             s_refill.link(self.callback_success)
 
@@ -486,8 +445,9 @@ class Api:
                 ],
             queue=self.queue,
             )
+        s_local.link(s_brief)
         if self.callback_param != None:
-            s_assemble.link(self.callback_success).on_error(self.callback_error)
+            s_brief.link(self.callback_success).on_error(self.callback_error)
 
         t = None
         if external_task != None:
@@ -512,11 +472,10 @@ class Api:
             c = celery.chain(s_external_get, s_external_process)
             t = celery.chord([s_local, c])(s_brief)
         else:
-            t = s_local.apply_sync()
+            t = s_local.apply_async(queue=self.queue)
 
         return t
 
-
     def ping(self, r):
         """A noop callback ping for testing purposes.
 

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/callbacks/tcp.py

@@ -20,5 +20,10 @@ def tcp(self, result, destination, status_code):
     (host, port) = destination.split(':')
     logg.debug('tcp callback to {} {}'.format(host, port))
     s.connect((host, int(port)))
-    s.send(json.dumps(result).encode('utf-8'))
+    data = {
+            'root_id': self.request.root_id,
+            'status': status_code,
+            'result': result,
+            }
+    s.send(json.dumps(data).encode('utf-8'))
     s.close()

apps/cic-eth/cic_eth/db/enum.py

@@ -103,6 +103,9 @@ def status_str(v, bits_only=False):
         except ValueError:
             pass
 
+    if v == 0:
+        return 'NONE'
+
     for i in range(16):
         b = (1 << i)
         if (b & 0xffff) & v:

apps/cic-eth/cic_eth/db/migrations/default/versions/3b693afd526a_nonce_reservation.py

@@ -0,0 +1,30 @@
+"""Nonce reservation
+
+Revision ID: 3b693afd526a
+Revises: f738d9962fdf
+Create Date: 2021-03-05 07:09:50.898728
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '3b693afd526a'
+down_revision = 'f738d9962fdf'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+            'nonce_task_reservation',
+        sa.Column('id', sa.Integer, primary_key=True),
+        sa.Column('nonce', sa.Integer, nullable=False),
+        sa.Column('key', sa.String, nullable=False),
+        sa.Column('date_created', sa.DateTime, nullable=False),
+        )
+
+
+def downgrade():
+    op.drop_table('nonce_task_reservation')

apps/cic-eth/cic_eth/db/migrations/default/versions/ec40ac0974c1_add_chain_syncer.py

@@ -0,0 +1,28 @@
+"""Add chain syncer
+
+Revision ID: ec40ac0974c1
+Revises: 6ac7a1dadc46
+Create Date: 2021-02-23 06:10:19.246304
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from chainsyncer.db.migrations.sqlalchemy import (
+        chainsyncer_upgrade,
+        chainsyncer_downgrade,
+        )
+
+
+# revision identifiers, used by Alembic.
+revision = 'ec40ac0974c1'
+down_revision = '6ac7a1dadc46'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    chainsyncer_upgrade(0, 0, 1)
+
+
+def downgrade():
+    chainsyncer_downgrade(0, 0, 1)

apps/cic-eth/cic_eth/db/migrations/default/versions/f738d9962fdf_debug_output.py

@@ -0,0 +1,32 @@
+"""debug output
+
+Revision ID: f738d9962fdf
+Revises: ec40ac0974c1
+Create Date: 2021-03-04 08:32:43.281214
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'f738d9962fdf'
+down_revision = 'ec40ac0974c1'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+            'debug',
+            sa.Column('id', sa.Integer, primary_key=True),
+            sa.Column('tag', sa.String, nullable=False),
+            sa.Column('description', sa.String, nullable=False),
+            sa.Column('date_created', sa.DateTime, nullable=False),
+            )
+    pass
+
+
+def downgrade():
+    op.drop_table('debug')
+    pass

apps/cic-eth/cic_eth/db/migrations/postgresql/versions/3b693afd526a_nonce_reservation.py

@@ -0,0 +1,30 @@
+"""Nonce reservation
+
+Revision ID: 3b693afd526a
+Revises: f738d9962fdf
+Create Date: 2021-03-05 07:09:50.898728
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '3b693afd526a'
+down_revision = 'f738d9962fdf'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+            'nonce_task_reservation',
+        sa.Column('id', sa.Integer, primary_key=True),
+        sa.Column('nonce', sa.Integer, nullable=False),
+        sa.Column('key', sa.String, nullable=False),
+        sa.Column('date_created', sa.DateTime, nullable=False),
+        )
+
+
+def downgrade():
+    op.drop_table('nonce_task_reservation')

apps/cic-eth/cic_eth/db/migrations/postgresql/versions/ec40ac0974c1_add_chain_syncer.py

@@ -0,0 +1,28 @@
+"""Add chain syncer
+
+Revision ID: ec40ac0974c1
+Revises: 6ac7a1dadc46
+Create Date: 2021-02-23 06:10:19.246304
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from chainsyncer.db.migrations.sqlalchemy import (
+        chainsyncer_upgrade,
+        chainsyncer_downgrade,
+        )
+
+
+# revision identifiers, used by Alembic.
+revision = 'ec40ac0974c1'
+down_revision = '6ac7a1dadc46'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    chainsyncer_upgrade(0, 0, 1)
+
+
+def downgrade():
+    chainsyncer_downgrade(0, 0, 1)

apps/cic-eth/cic_eth/db/migrations/postgresql/versions/f738d9962fdf_debug_output.py

@@ -0,0 +1,32 @@
+"""debug output
+
+Revision ID: f738d9962fdf
+Revises: ec40ac0974c1
+Create Date: 2021-03-04 08:32:43.281214
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'f738d9962fdf'
+down_revision = 'ec40ac0974c1'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+            'debug',
+            sa.Column('id', sa.Integer, primary_key=True),
+            sa.Column('tag', sa.String, nullable=False),
+            sa.Column('description', sa.String, nullable=False),
+            sa.Column('date_created', sa.DateTime, nullable=False),
+            )
+    pass
+
+
+def downgrade():
+    op.drop_table('debug')
+    pass

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

@@ -54,7 +54,7 @@ class SessionBase(Model):
 
 
     @staticmethod
-    def connect(dsn, pool_size=8, debug=False):
+    def connect(dsn, pool_size=16, debug=False):
         """Create new database connection engine and connect to database backend.
 
         :param dsn: DSN string defining connection.

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

@@ -0,0 +1,23 @@
+# standard imports
+import datetime
+import logging
+
+# external imports
+from sqlalchemy import Column, String, DateTime
+
+# local imports
+from .base import SessionBase
+
+
+class Debug(SessionBase):
+
+    __tablename__ = 'debug'
+
+    date_created = Column(DateTime, default=datetime.datetime.utcnow)
+    tag = Column(String)
+    description = Column(String)
+
+
+    def __init__(self, tag, description):
+        self.tag = tag
+        self.description = description

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

@@ -55,11 +55,9 @@ class Lock(SessionBase):
         :returns: New flag state of entry
         :rtype: number
         """
-        localsession = session
-        if localsession == None:
-            localsession = SessionBase.create_session()
+        session = SessionBase.bind_session(session)
 
-        q = localsession.query(Lock)
+        q = session.query(Lock)
         #q = q.join(TxCache, isouter=True)
         q = q.filter(Lock.address==address)
         q = q.filter(Lock.blockchain==chain_str)
@@ -71,7 +69,8 @@ class Lock(SessionBase):
             lock.address = address
             lock.blockchain = chain_str
             if tx_hash != None:
-                q = localsession.query(Otx)
+                session.flush()
+                q = session.query(Otx)
                 q = q.filter(Otx.tx_hash==tx_hash)
                 otx = q.first()
                 if otx != None:
@@ -80,12 +79,11 @@ class Lock(SessionBase):
         lock.flags |= flags
         r = lock.flags
 
-        localsession.add(lock)
-        localsession.commit()
+        session.add(lock)
+        session.commit()
+
+        SessionBase.release_session(session)
 
-        if session == None:
-            localsession.close()
-        
         return r
 
 
@@ -110,11 +108,9 @@ class Lock(SessionBase):
         :returns: New flag state of entry
         :rtype: number
         """
-        localsession = session
-        if localsession == None:
-            localsession = SessionBase.create_session()
+        session = SessionBase.bind_session(session)
 
-        q = localsession.query(Lock)
+        q = session.query(Lock)
         #q = q.join(TxCache, isouter=True)
         q = q.filter(Lock.address==address)
         q = q.filter(Lock.blockchain==chain_str)
@@ -124,14 +120,13 @@ class Lock(SessionBase):
         if lock != None:
             lock.flags &= ~flags
             if lock.flags == 0:
-                localsession.delete(lock)
+                session.delete(lock)
             else:
-                localsession.add(lock)
+                session.add(lock)
                 r = lock.flags
-            localsession.commit()
+            session.commit()
 
-        if session == None:
-            localsession.close()
+        SessionBase.release_session(session)
 
         return r
 
@@ -156,22 +151,20 @@ class Lock(SessionBase):
         :rtype: number
         """
 
-        localsession = session
-        if localsession == None:
-            localsession = SessionBase.create_session()
+        session = SessionBase.bind_session(session)
 
-        q = localsession.query(Lock)
+        q = session.query(Lock)
         #q = q.join(TxCache, isouter=True)
         q = q.filter(Lock.address==address)
         q = q.filter(Lock.blockchain==chain_str)
         q = q.filter(Lock.flags.op('&')(flags)==flags)
         lock = q.first()
-        if session == None:
-            localsession.close()
        
         r = 0
         if lock != None:
             r = lock.flags & flags
+
+        SessionBase.release_session(session)
         return r
 
 

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

@@ -1,11 +1,16 @@
 # standard imports
 import logging
+import datetime
 
 # third-party imports
-from sqlalchemy import Column, String, Integer
+from sqlalchemy import Column, String, Integer, DateTime
 
 # local imports
 from .base import SessionBase
+from cic_eth.error import (
+        InitializationError,
+        IntegrityError,
+        )
 
 logg = logging.getLogger()
 
@@ -21,12 +26,9 @@ class Nonce(SessionBase):
 
     @staticmethod
     def get(address, session=None):
-        localsession = session
-        if localsession == None:
-            localsession = SessionBase.create_session()
+        session = SessionBase.bind_session(session)
 
-
-        q = localsession.query(Nonce)
+        q = session.query(Nonce)
         q = q.filter(Nonce.address_hex==address)
         nonce = q.first()
 
@@ -34,8 +36,7 @@ class Nonce(SessionBase):
         if nonce != None:
             nonce_value = nonce.nonce;
 
-        if session == None:
-            localsession.close()
+        SessionBase.release_session(session)
 
         return nonce_value
 
@@ -54,6 +55,28 @@ class Nonce(SessionBase):
         conn.execute("UPDATE nonce set nonce = {} WHERE address_hex = '{}'".format(nonce, address))
 
 
+    @staticmethod
+    def __init(conn, address, nonce):
+        conn.execute("INSERT INTO nonce (nonce, address_hex) VALUES ({}, '{}')".format(nonce, address))
+
+
+    @staticmethod
+    def init(address, nonce=0, session=None):
+        session = SessionBase.bind_session(session)
+
+        q = session.query(Nonce)
+        q = q.filter(Nonce.address_hex==address)
+        o = q.first()
+        if o != None:
+            session.flush()
+            raise InitializationError('nonce on {} already exists ({})'.format(address, o.nonce))
+        session.flush()
+        Nonce.__init(session, address, nonce)
+
+        SessionBase.release_session(session)
+
+
+    # TODO: Incrementing nonce MUST be done by separate tasks.
     @staticmethod
     def next(address, initial_if_not_exists=0):
         """Generate next nonce for the given address.
@@ -67,20 +90,96 @@ class Nonce(SessionBase):
         :returns: Nonce
         :rtype: number
         """
+        #session = SessionBase.bind_session(session)
+        
+        #session.begin_nested()
         conn = Nonce.engine.connect()
         if Nonce.transactional:
             conn.execute('BEGIN')
             conn.execute('LOCK TABLE nonce IN SHARE ROW EXCLUSIVE MODE')
+            logg.debug('locking nonce table for address {}'.format(address))
         nonce = Nonce.__get(conn, address)
         logg.debug('get nonce {} for address {}'.format(nonce, address))
         if nonce == None:
             nonce = initial_if_not_exists
-            conn.execute("INSERT INTO nonce (nonce, address_hex) VALUES ({}, '{}')".format(nonce, address))
             logg.debug('setting default nonce to {} for address {}'.format(nonce, address))
+            Nonce.__init(conn, address, nonce)
         Nonce.__set(conn, address, nonce+1)
         if Nonce.transactional:
             conn.execute('COMMIT')
+            logg.debug('unlocking nonce table for address {}'.format(address))
         conn.close()
+        #session.commit()
+
+        #SessionBase.release_session(session)
         return nonce
 
 
+class NonceReservation(SessionBase):
+
+    __tablename__ = 'nonce_task_reservation'
+
+    nonce = Column(Integer)
+    key = Column(String)
+    date_created = Column(DateTime, default=datetime.datetime.utcnow)
+
+
+    @staticmethod
+    def peek(key, session=None):
+        session = SessionBase.bind_session(session)
+
+        q = session.query(NonceReservation)
+        q = q.filter(NonceReservation.key==key)
+        o = q.first()
+
+        nonce = None
+        if o != None:
+            nonce = o.nonce
+
+        session.flush()
+
+        SessionBase.release_session(session)
+
+        return nonce
+
+
+    @staticmethod
+    def release(key, session=None):
+
+        session = SessionBase.bind_session(session)
+
+        nonce = NonceReservation.peek(key, session=session)
+
+        q = session.query(NonceReservation)
+        q = q.filter(NonceReservation.key==key)
+        o = q.first()
+
+        if o == None:
+            raise IntegrityError('nonce for key {}'.format(nonce))
+            SessionBase.release_session(session)
+
+        session.delete(o)
+        session.flush()
+
+        SessionBase.release_session(session)
+
+        return nonce
+
+
+    @staticmethod
+    def next(address, key, session=None):
+        session = SessionBase.bind_session(session)
+
+        if NonceReservation.peek(key, session) != None:
+            raise IntegrityError('nonce for key {}'.format(key))
+
+        nonce = Nonce.next(address)
+
+        o = NonceReservation()
+        o.nonce = nonce
+        o.key = key
+        session.add(o)
+       
+        SessionBase.release_session(session)
+
+        return nonce

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

@@ -2,7 +2,7 @@
 import datetime
 import logging
 
-# third-party imports
+# external imports
 from sqlalchemy import Column, Enum, String, Integer, DateTime, Text, or_, ForeignKey
 from sqlalchemy.ext.hybrid import hybrid_property, hybrid_method
 
@@ -79,6 +79,13 @@ class Otx(SessionBase):
         return r
 
 
+    def __status_not_set(self, status):
+        r = not(self.status & status)
+        if r:
+            logg.warning('status bit {} not set on {}'.format(status.name, self.tx_hash))
+        return r
+
+
     def set_block(self, block, session=None):
         """Set block number transaction was mined in.
 
@@ -320,6 +327,32 @@ class Otx(SessionBase):
         SessionBase.release_session(session)
 
 
+    def dequeue(self, session=None):
+        """Marks that a process to execute send attempt is underway
+
+        Only manipulates object, does not transaction or commit to backend.
+
+        :raises cic_eth.db.error.TxStateChangeError: State change represents a sequence of events that should not exist.
+        """
+        if self.__status_not_set(StatusBits.QUEUED):
+            return
+
+        session = SessionBase.bind_session(session)
+
+        if self.status & StatusBits.FINAL:
+            raise TxStateChangeError('SENDFAIL cannot be set on an entry with FINAL state set ({})'.format(status_str(self.status)))
+        if self.status & StatusBits.IN_NETWORK:
+            raise TxStateChangeError('SENDFAIL cannot be set on an entry with IN_NETWORK state set ({})'.format(status_str(self.status)))
+
+        self.__reset_status(StatusBits.QUEUED, session)
+
+        if self.tracing:
+            self.__state_log(session=session)
+
+        SessionBase.release_session(session)
+
+
+
     def minefail(self, block, session=None):
         """Marks that transaction was mined but code execution did not succeed.
 
@@ -367,24 +400,12 @@ class Otx(SessionBase):
             raise TxStateChangeError('CANCEL cannot be set on an entry with FINAL state set ({})'.format(status_str(self.status)))
 
         if confirmed:
-            if not self.status & StatusBits.OBSOLETE:
+            if self.status > 0 and not self.status & StatusBits.OBSOLETE:
                 raise TxStateChangeError('CANCEL can only be set on an entry marked OBSOLETE ({})'.format(status_str(self.status)))
             self.__set_status(StatusEnum.CANCELLED, session)
         else:
             self.__set_status(StatusEnum.OBSOLETED, session)
 
-
-#        if confirmed:
-#            if self.status != StatusEnum.OBSOLETED:
-#                logg.warning('CANCELLED must follow OBSOLETED, but had {}'.format(StatusEnum(self.status).name))
-#                #raise TxStateChangeError('CANCELLED must follow OBSOLETED, but had {}'.format(StatusEnum(self.status).name))
-#            self.__set_status(StatusEnum.CANCELLED, session)
-#        elif self.status != StatusEnum.OBSOLETED:
-#            if self.status > StatusEnum.SENT:
-#                logg.warning('OBSOLETED must follow PENDING, SENDFAIL or SENT, but had {}'.format(StatusEnum(self.status).name))
-#                #raise TxStateChangeError('OBSOLETED must follow PENDING, SENDFAIL or SENT, but had {}'.format(StatusEnum(self.status).name))
-        #    self.__set_status(StatusEnum.OBSOLETED, session)
-
         if self.tracing:
             self.__state_log(session=session)
 

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 +35,26 @@ 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
+
+        session.flush()
+
+        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 +62,27 @@ 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)
+
+        session.flush()
+        
+        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()
+        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 +94,18 @@ 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
+
+        session.flush()
+        
+        SessionBase.release_session(session)
+
+        return role 
 
 
     @staticmethod
@@ -95,20 +117,17 @@ 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

@@ -85,26 +85,27 @@ class TxCache(SessionBase):
         :param tx_hash_new: tx hash to associate the copied entry with
         :type tx_hash_new: str, 0x-hex
         """
-        localsession = SessionBase.bind_session(session)
+        session = SessionBase.bind_session(session)
         
-        q = localsession.query(TxCache)
+        q = session.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)
+            SessionBase.release_session(session)
             raise NotLocalTxError('original {}'.format(tx_hash_original))
         if txc.block_number != None:
-            SessionBase.release_session(localsession)
+            SessionBase.release_session(session)
             raise TxStateChangeError('cannot clone tx cache of confirmed tx {}'.format(tx_hash_original))
 
-        q = localsession.query(Otx)
+        session.flush()
+        q = session.query(Otx)
         q = q.filter(Otx.tx_hash==tx_hash_new)
         otx = q.first()
 
         if otx == None:
-            SessionBase.release_session(localsession)
+            SessionBase.release_session(session)
             raise NotLocalTxError('new {}'.format(tx_hash_new))
 
         txc_new = TxCache(
@@ -115,18 +116,21 @@ class TxCache(SessionBase):
                 txc.destination_token_address,
                 int(txc.from_value),
                 int(txc.to_value),
+                session=session,
                 )
-        localsession.add(txc_new)
-        localsession.commit()
+        session.add(txc_new)
+        session.commit()
 
-        SessionBase.release_session(localsession)
+        SessionBase.release_session(session)
 
 
     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()
+        session = SessionBase.bind_session(session)
+        q = session.query(Otx)
+        q = q.filter(Otx.tx_hash==tx_hash)
+        tx = q.first()
         if tx == None:
-            SessionBase.release_session(localsession)
+            SessionBase.release_session(session)
             raise FileNotFoundError('outgoing transaction record unknown {} (add a Tx first)'.format(tx_hash))
         self.otx_id = tx.id
 
@@ -139,9 +143,9 @@ class TxCache(SessionBase):
         self.block_number = block_number
         self.tx_index = tx_index
         # not automatically set in sqlite, it seems:
-        self.date_created = datetime.datetime.now()
+        self.date_created = datetime.datetime.utcnow()
         self.date_updated = self.date_created
         self.date_checked = self.date_created
 
-        SessionBase.release_session(localsession)
+        SessionBase.release_session(session)
 

apps/cic-eth/cic_eth/error.py

@@ -54,6 +54,13 @@ class RoleMissingError(Exception):
     pass
 
 
+class IntegrityError(Exception):
+    """Exception raised to signal irregularities with deduplication and ordering of tasks
+
+    """
+    pass
+
+
 class LockedError(Exception):
     """Exception raised when attempt is made to execute action that is deactivated by lock
 

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

@@ -8,6 +8,7 @@ from cic_registry import CICRegistry
 from cic_registry.chain import ChainSpec
 from erc20_single_shot_faucet import Faucet
 from cic_registry import zero_address
+from hexathon import strip_0x
 
 # local import
 from cic_eth.eth import RpcClient
@@ -21,6 +22,7 @@ from cic_eth.db.models.role import AccountRole
 from cic_eth.db.models.tx import TxCache
 from cic_eth.eth.util import unpack_signed_raw_tx
 from cic_eth.error import RoleMissingError
+from cic_eth.task import CriticalSQLAlchemyTask
 
 #logg = logging.getLogger(__name__)
 logg = logging.getLogger()
@@ -34,6 +36,8 @@ class AccountTxFactory(TxFactory):
             self,
             address,
             chain_spec,
+            uuid,
+            session=None,
             ):
         """Register an Ethereum account address with the on-chain account registry
 
@@ -56,7 +60,7 @@ class AccountTxFactory(TxFactory):
             'gas': gas,
             'gasPrice': self.gas_price,
             'chainId': chain_spec.chain_id(),
-            'nonce': self.next_nonce(),
+            'nonce': self.next_nonce(uuid, session=session),
             'value': 0,
             })
         return tx_add
@@ -66,6 +70,8 @@ class AccountTxFactory(TxFactory):
             self,
             address,
             chain_spec,
+            uuid,
+            session=None,
         ):
         """Trigger the on-chain faucet to disburse tokens to the provided Ethereum account
 
@@ -86,7 +92,7 @@ class AccountTxFactory(TxFactory):
             'gas': gas,
             'gasPrice': self.gas_price,
             'chainId': chain_spec.chain_id(),
-            'nonce': self.next_nonce(),
+            'nonce': self.next_nonce(uuid, session=session),
             'value': 0,
             })
         return tx_add
@@ -101,11 +107,12 @@ def unpack_register(data):
     :returns: Parsed parameters
     :rtype: dict
     """
-    f = data[2:10]
+    data = strip_0x(data)
+    f = data[:8]
     if f != '0a3b0a4f':
         raise ValueError('Invalid account index register data ({})'.format(f))
 
-    d = data[10:]
+    d = data[8:]
     return {
         'to': web3.Web3.toChecksumAddress('0x' + d[64-40:64]),
         }
@@ -120,17 +127,19 @@ def unpack_gift(data):
     :returns: Parsed parameters
     :rtype: dict
     """
-    f = data[2:10]
+    data = strip_0x(data)
+    f = data[:8]
     if f != '63e4bff4':
-        raise ValueError('Invalid account index register data ({})'.format(f))
+        raise ValueError('Invalid gift data ({})'.format(f))
 
-    d = data[10:]
+    d = data[8:]
     return {
         'to': web3.Web3.toChecksumAddress('0x' + d[64-40:64]),
         }
      
 
-@celery_app.task()
+# TODO: Separate out nonce initialization task
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def create(password, chain_str):
     """Creates and stores a new ethereum account in the keystore.
 
@@ -149,20 +158,14 @@ def create(password, chain_str):
     logg.debug('created account {}'.format(a))
 
     # Initialize nonce provider record for account
-    n = c.w3.eth.getTransactionCount(a, 'pending')
     session = SessionBase.create_session()
-    o = session.query(Nonce).filter(Nonce.address_hex==a).first()
-    if o == None:
-        o = Nonce()
-        o.address_hex = a
-        o.nonce = n
-        session.add(o)
-        session.commit()
+    Nonce.init(a, session=session)
+    session.commit()
     session.close()
     return a
 
 
-@celery_app.task(bind=True, throws=(RoleMissingError,))
+@celery_app.task(bind=True, throws=(RoleMissingError,), base=CriticalSQLAlchemyTask)
 def register(self, account_address, chain_str, writer_address=None):
     """Creates a transaction to add the given address to the accounts index.
 
@@ -178,21 +181,24 @@ 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)
 
     if writer_address == zero_address:
+        session.close()
         raise RoleMissingError(account_address)
 
-
     logg.debug('adding account address {} to index; writer {}'.format(account_address, writer_address))
     queue = self.request.delivery_info['routing_key']
 
     c = RpcClient(chain_spec, holder_address=writer_address)
     txf = AccountTxFactory(writer_address, c)
 
-    tx_add = txf.add(account_address, chain_spec)
-    (tx_hash_hex, tx_signed_raw_hex) = sign_and_register_tx(tx_add, chain_str, queue, 'cic_eth.eth.account.cache_account_data')
+    tx_add = txf.add(account_address, chain_spec, self.request.root_id, session=session)
+    
+    (tx_hash_hex, tx_signed_raw_hex) = sign_and_register_tx(tx_add, chain_str, queue, 'cic_eth.eth.account.cache_account_data', session=session)
+    session.close()
 
     gas_budget = tx_add['gas'] * tx_add['gasPrice']
 
@@ -209,7 +215,7 @@ def register(self, account_address, chain_str, writer_address=None):
     return account_address
 
 
-@celery_app.task(bind=True)
+@celery_app.task(bind=True, base=CriticalSQLAlchemyTask)
 def gift(self, account_address, chain_str):
     """Creates a transaction to invoke the faucet contract for the given address.
 
@@ -228,12 +234,14 @@ def gift(self, account_address, chain_str):
     c = RpcClient(chain_spec, holder_address=account_address)
     txf = AccountTxFactory(account_address, c)
 
-    tx_add = txf.gift(account_address, chain_spec)
-    (tx_hash_hex, tx_signed_raw_hex) = sign_and_register_tx(tx_add, chain_str, queue, 'cic_eth.eth.account.cache_gift_data')
+    session = SessionBase.create_session()
+    tx_add = txf.gift(account_address, chain_spec, self.request.root_id, session=session)
+    (tx_hash_hex, tx_signed_raw_hex) = sign_and_register_tx(tx_add, chain_str, queue, 'cic_eth.eth.account.cache_gift_data', session=session)
+    session.close()
 
     gas_budget = tx_add['gas'] * tx_add['gasPrice']
 
-    logg.debug('register user tx {}'.format(tx_hash_hex))
+    logg.debug('gift user tx {}'.format(tx_hash_hex))
     s = create_check_gas_and_send_task(
             [tx_signed_raw_hex],
             chain_str,
@@ -324,7 +332,7 @@ def cache_gift_data(
     return (tx_hash_hex, cache_id)
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def cache_account_data(
     tx_hash_hex,
     tx_signed_raw_hex,

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

@@ -32,10 +32,10 @@ class TxFactory:
         logg.debug('txfactory instance address {} gas price'.format(self.address, self.gas_price))
         
 
-    def next_nonce(self):
-        """Returns the current cached nonce value, and increments it for next transaction.
+    def next_nonce(self, uuid, session=None):
+        """Returns the current reserved nonce value, and increments it for next transaction.
 
         :returns: Nonce
         :rtype: number
         """
-        return self.nonce_oracle.next()
+        return self.nonce_oracle.next_by_task_uuid(uuid, session=session)

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/nonce.py

@@ -1,5 +1,8 @@
 # local imports
-from cic_eth.db.models.nonce import Nonce
+from cic_eth.db.models.nonce import (
+        Nonce,
+        NonceReservation,
+        )
 
 class NonceOracle():
     """Ensures atomic nonce increments for all transactions across all tasks and threads.
@@ -20,4 +23,9 @@ class NonceOracle():
         :returns: Nonce
         :rtype: number
         """
+        raise AttributeError('this should not be called')
         return Nonce.next(self.address, self.default_nonce)
+
+
+    def next_by_task_uuid(self, uuid, session=None):
+        return NonceReservation.release(uuid, session=session)

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

@@ -1,194 +0,0 @@
-# standard imports
-import logging
-
-# third-party imports
-import web3
-import celery
-from erc20_approval_escrow import TransferApproval
-from cic_registry import CICRegistry
-from cic_registry.chain import ChainSpec
-
-# local imports
-from cic_eth.db.models.tx import TxCache
-from cic_eth.db.models.base import SessionBase
-from cic_eth.eth import RpcClient
-from cic_eth.eth.factory import TxFactory
-from cic_eth.eth.task import sign_and_register_tx
-from cic_eth.eth.util import unpack_signed_raw_tx
-from cic_eth.eth.task import create_check_gas_and_send_task
-from cic_eth.error import TokenCountError
-
-celery_app = celery.current_app
-logg = logging.getLogger()
-
-contract_function_signatures = {
-        'request': 'b0addede',
-        }
-
-
-class TransferRequestTxFactory(TxFactory):
-    """Factory for creating Transfer request transactions using the TransferApproval contract backend
-    """
-    def request(
-            self,
-            token_address,
-            beneficiary_address,
-            amount,
-            chain_spec,
-            ):
-        """Create a new TransferApproval.request transaction
-
-        :param token_address: Token to create transfer request for
-        :type token_address: str, 0x-hex
-        :param beneficiary_address: Beneficiary of token transfer
-        :type beneficiary_address: str, 0x-hex
-        :param amount: Amount of tokens to transfer
-        :type amount: number
-        :param chain_spec: Chain spec
-        :type chain_spec: cic_registry.chain.ChainSpec
-        :returns: Transaction in standard Ethereum format
-        :rtype: dict
-        """
-        transfer_approval = CICRegistry.get_contract(chain_spec, 'TransferApproval', 'TransferAuthorization')
-        fn = transfer_approval.function('createRequest')
-        tx_approval_buildable = fn(beneficiary_address, token_address, amount)
-        transfer_approval_gas = transfer_approval.gas('createRequest')
-
-        tx_approval = tx_approval_buildable.buildTransaction({
-            'from': self.address,
-            'gas': transfer_approval_gas,
-            'gasPrice': self.gas_price,
-            'chainId': chain_spec.chain_id(),
-            'nonce': self.next_nonce(),
-            })
-        return tx_approval
-
-
-def unpack_transfer_approval_request(data):
-    """Verifies that a transaction is an "TransferApproval.request" transaction, and extracts call parameters from it.
-
-    :param data: Raw input data from Ethereum transaction.
-    :type data: str, 0x-hex
-    :raises ValueError: Function signature does not match AccountRegister.add
-    :returns: Parsed parameters
-    :rtype: dict
-    """
-    f = data[2:10]
-    if f != contract_function_signatures['request']:
-        raise ValueError('Invalid transfer request data ({})'.format(f))
-
-    d = data[10:]
-    return {
-        'to': web3.Web3.toChecksumAddress('0x' + d[64-40:64]),
-        'token': web3.Web3.toChecksumAddress('0x' + d[128-40:128]),
-        'amount': int(d[128:], 16)
-        }
-
-
-@celery_app.task(bind=True)
-def transfer_approval_request(self, tokens, holder_address, receiver_address, value, chain_str):
-    """Creates a new transfer approval
-
-    :param tokens: Token to generate transfer request for
-    :type tokens: list with single token spec as dict
-    :param holder_address: Address to generate transfer on behalf of
-    :type holder_address: str, 0x-hex
-    :param receiver_address: Address to transfser tokens to
-    :type receiver_address: str, 0x-hex
-    :param value: Amount of tokens to transfer
-    :type value: number
-    :param chain_spec: Chain spec string representation
-    :type chain_spec: str
-    :raises cic_eth.error.TokenCountError: More than one token in tokens argument
-    :returns: Raw signed transaction
-    :rtype: list with transaction as only element
-    """
-
-    if len(tokens) != 1:
-        raise TokenCountError
-
-    chain_spec = ChainSpec.from_chain_str(chain_str)
-
-    queue = self.request.delivery_info['routing_key']
-
-    t = tokens[0]
-
-    c = RpcClient(holder_address)
-
-    txf = TransferRequestTxFactory(holder_address, c)
-
-    tx_transfer = txf.request(t['address'], receiver_address, value, chain_spec)
-    (tx_hash_hex, tx_signed_raw_hex) = sign_and_register_tx(tx_transfer, chain_str, queue, 'cic_eth.eth.request.otx_cache_transfer_approval_request')
-
-    gas_budget = tx_transfer['gas'] * tx_transfer['gasPrice']
-
-    s = create_check_gas_and_send_task(
-             [tx_signed_raw_hex],
-             chain_str,
-             holder_address,
-             gas_budget,
-             [tx_hash_hex],
-             queue,
-            )
-    s.apply_async()
-    return [tx_signed_raw_hex]
-
-
-@celery_app.task()
-def otx_cache_transfer_approval_request(
-        tx_hash_hex,
-        tx_signed_raw_hex,
-        chain_str,
-        ):
-    """Generates and commits transaction cache metadata for an TransferApproval.request transaction
-
-    :param tx_hash_hex: Transaction hash
-    :type tx_hash_hex: str, 0x-hex
-    :param tx_signed_raw_hex: Raw signed transaction
-    :type tx_signed_raw_hex: str, 0x-hex
-    :param chain_str: Chain spec string representation
-    :type chain_str: str
-    :returns: Transaction hash and id of cache element in storage backend, respectively
-    :rtype: tuple
-    """
-    chain_spec = ChainSpec.from_chain_str(chain_str)
-    tx_signed_raw_bytes = bytes.fromhex(tx_signed_raw_hex[2:])
-    tx = unpack_signed_raw_tx(tx_signed_raw_bytes, chain_spec.chain_id())
-    logg.debug('in otx acche transfer approval request')
-    (txc, cache_id) = cache_transfer_approval_request_data(tx_hash_hex, tx)
-    return txc
-
-
-@celery_app.task()
-def cache_transfer_approval_request_data(
-    tx_hash_hex,
-    tx,
-        ):
-    """Helper function for otx_cache_transfer_approval_request
-
-    :param tx_hash_hex: Transaction hash
-    :type tx_hash_hex: str, 0x-hex
-    :param tx: Signed raw transaction
-    :type tx: str, 0x-hex
-    :returns: Transaction hash and id of cache element in storage backend, respectively
-    :rtype: tuple
-    """
-    tx_data = unpack_transfer_approval_request(tx['data'])
-    logg.debug('tx approval request data {}'.format(tx_data))
-    logg.debug('tx approval request {}'.format(tx))
-
-    session = SessionBase.create_session()
-    tx_cache = TxCache(
-        tx_hash_hex,
-        tx['from'],
-        tx_data['to'],
-        tx_data['token'],
-        tx_data['token'],
-        tx_data['amount'],
-        tx_data['amount'],
-            )
-    session.add(tx_cache)
-    session.commit()
-    cache_id = tx_cache.id
-    session.close()
-    return (tx_hash_hex, cache_id)

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

@@ -33,7 +33,7 @@ def sign_tx(tx, chain_str):
     return (tx_hash_hex, tx_transfer_signed['raw'],)
 
 
-def sign_and_register_tx(tx, chain_str, queue, cache_task=None):
+def sign_and_register_tx(tx, chain_str, queue, cache_task=None, session=None):
     """Signs the provided transaction, and adds it to the transaction queue cache (with status PENDING).
 
     :param tx: Standard ethereum transaction data
@@ -44,6 +44,7 @@ def sign_and_register_tx(tx, chain_str, queue, cache_task=None):
     :type queue: str
     :param cache_task: Cache task to call with signed transaction. If None, no task will be called.
     :type cache_task: str
+    :raises: sqlalchemy.exc.DatabaseError
     :returns: Tuple; Transaction hash, signed raw transaction data
     :rtype: tuple
     """
@@ -51,25 +52,13 @@ def sign_and_register_tx(tx, chain_str, queue, cache_task=None):
 
     logg.debug('adding queue tx {}'.format(tx_hash_hex))
 
-#    s = celery.signature(
-#        'cic_eth.queue.tx.create',
-#        [
-#            tx['nonce'],
-#            tx['from'],
-#            tx_hash_hex,
-#            tx_signed_raw_hex,
-#            chain_str,
-#            ],
-#        queue=queue,
-#        )
-
-    # TODO: consider returning this as a signature that consequtive tasks can be linked to
     queue_create(
         tx['nonce'],
         tx['from'],
         tx_hash_hex,
         tx_signed_raw_hex,
         chain_str,
+        session=session,
     )        
 
     if cache_task != None:

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

@@ -8,6 +8,8 @@ import web3
 from cic_registry import CICRegistry
 from cic_registry import zero_address
 from cic_registry.chain import ChainSpec
+from hexathon import strip_0x
+from chainlib.status import Status as TxStatus
 
 # platform imports
 from cic_eth.db.models.tx import TxCache
@@ -19,6 +21,10 @@ from cic_eth.eth.task import create_check_gas_and_send_task
 from cic_eth.eth.factory import TxFactory
 from cic_eth.eth.util import unpack_signed_raw_tx
 from cic_eth.ext.address import translate_address
+from cic_eth.task import (
+        CriticalSQLAlchemyTask,
+        CriticalWeb3Task,
+    )
 
 celery_app = celery.current_app
 logg = logging.getLogger()
@@ -40,6 +46,8 @@ class TokenTxFactory(TxFactory):
             spender_address,
             amount,
             chain_spec,
+            uuid,
+            session=None,
             ):
         """Create an ERC20 "approve" transaction
 
@@ -67,7 +75,7 @@ class TokenTxFactory(TxFactory):
             'gas': source_token_gas,
             'gasPrice': self.gas_price,
             'chainId': chain_spec.chain_id(),
-            'nonce': self.next_nonce(),
+            'nonce': self.next_nonce(uuid, session=session),
             })
         return tx_approve
 
@@ -78,6 +86,8 @@ class TokenTxFactory(TxFactory):
         receiver_address,
         value,
         chain_spec,
+        uuid,
+        session=None,
         ):
         """Create an ERC20 "transfer" transaction
 
@@ -106,7 +116,7 @@ class TokenTxFactory(TxFactory):
                     'gas': source_token_gas,
                     'gasPrice': self.gas_price,
                     'chainId': chain_spec.chain_id(),
-                    'nonce': self.next_nonce(),
+                    'nonce': self.next_nonce(uuid, session=session),
                 })
         return tx_transfer
 
@@ -120,11 +130,12 @@ def unpack_transfer(data):
     :returns: Parsed parameters
     :rtype: dict
     """
-    f = data[2:10]
+    data = strip_0x(data)
+    f = data[:8]
     if f != contract_function_signatures['transfer']:
         raise ValueError('Invalid transfer data ({})'.format(f))
 
-    d = data[10:]
+    d = data[8:]
     return {
         'to': web3.Web3.toChecksumAddress('0x' + d[64-40:64]),
         'amount': int(d[64:], 16)
@@ -140,11 +151,12 @@ def unpack_transferfrom(data):
     :returns: Parsed parameters
     :rtype: dict
     """
-    f = data[2:10]
+    data = strip_0x(data)
+    f = data[:8]
     if f != contract_function_signatures['transferfrom']:
         raise ValueError('Invalid transferFrom data ({})'.format(f))
 
-    d = data[10:]
+    d = data[8:]
     return {
         'from': web3.Web3.toChecksumAddress('0x' + d[64-40:64]),
         'to': web3.Web3.toChecksumAddress('0x' + d[128-40:128]),
@@ -161,18 +173,19 @@ def unpack_approve(data):
     :returns: Parsed parameters
     :rtype: dict
     """
-    f = data[2:10]
+    data = strip_0x(data)
+    f = data[:8]
     if f != contract_function_signatures['approve']:
         raise ValueError('Invalid approval data ({})'.format(f))
 
-    d = data[10:]
+    d = data[8:]
     return {
         'to': web3.Web3.toChecksumAddress('0x' + d[64-40:64]),
         'amount': int(d[64:], 16)
         }
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalWeb3Task)
 def balance(tokens, holder_address, chain_str):
     """Return token balances for a list of tokens for given address
 
@@ -199,7 +212,7 @@ def balance(tokens, holder_address, chain_str):
     return tokens
 
 
-@celery_app.task(bind=True)
+@celery_app.task(bind=True, base=CriticalSQLAlchemyTask)
 def transfer(self, tokens, holder_address, receiver_address, value, chain_str):
     """Transfer ERC20 tokens between addresses
 
@@ -235,9 +248,11 @@ def transfer(self, tokens, holder_address, receiver_address, value, chain_str):
     c = RpcClient(chain_spec, holder_address=holder_address)
 
     txf = TokenTxFactory(holder_address, c)
-
-    tx_transfer = txf.transfer(t['address'], receiver_address, value, chain_spec)
-    (tx_hash_hex, tx_signed_raw_hex) = sign_and_register_tx(tx_transfer, chain_str, queue, cache_task='cic_eth.eth.token.otx_cache_transfer')
+    
+    session = SessionBase.create_session()
+    tx_transfer = txf.transfer(t['address'], receiver_address, value, chain_spec, self.request.root_id, session=session)
+    (tx_hash_hex, tx_signed_raw_hex) = sign_and_register_tx(tx_transfer, chain_str, queue, cache_task='cic_eth.eth.token.otx_cache_transfer', session=session)
+    session.close()
     
     gas_budget = tx_transfer['gas'] * tx_transfer['gasPrice']
 
@@ -253,7 +268,7 @@ def transfer(self, tokens, holder_address, receiver_address, value, chain_str):
     return tx_hash_hex
 
 
-@celery_app.task(bind=True)
+@celery_app.task(bind=True, base=CriticalSQLAlchemyTask)
 def approve(self, tokens, holder_address, spender_address, value, chain_str):
     """Approve ERC20 transfer on behalf of holder address
 
@@ -290,8 +305,10 @@ def approve(self, tokens, holder_address, spender_address, value, chain_str):
 
     txf = TokenTxFactory(holder_address, c)
 
-    tx_transfer = txf.approve(t['address'], spender_address, value, chain_spec)
-    (tx_hash_hex, tx_signed_raw_hex) = sign_and_register_tx(tx_transfer, chain_str, queue, cache_task='cic_eth.eth.token.otx_cache_approve')
+    session = SessionBase.create_session()
+    tx_transfer = txf.approve(t['address'], spender_address, value, chain_spec, self.request.root_id, session=session)
+    (tx_hash_hex, tx_signed_raw_hex) = sign_and_register_tx(tx_transfer, chain_str, queue, cache_task='cic_eth.eth.token.otx_cache_approve', session=session)
+    session.close()
     
     gas_budget = tx_transfer['gas'] * tx_transfer['gasPrice']
 
@@ -307,7 +324,7 @@ def approve(self, tokens, holder_address, spender_address, value, chain_str):
     return tx_hash_hex
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalWeb3Task)
 def resolve_tokens_by_symbol(token_symbols, chain_str):
     """Returns contract addresses of an array of ERC20 token symbols
 
@@ -330,7 +347,7 @@ def resolve_tokens_by_symbol(token_symbols, chain_str):
     return tokens
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def otx_cache_transfer(
         tx_hash_hex,
         tx_signed_raw_hex,
@@ -354,7 +371,7 @@ def otx_cache_transfer(
     return txc
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def cache_transfer_data(
     tx_hash_hex,
     tx,
@@ -390,7 +407,7 @@ def cache_transfer_data(
     return (tx_hash_hex, cache_id)
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def otx_cache_approve(
         tx_hash_hex,
         tx_signed_raw_hex,
@@ -414,7 +431,7 @@ def otx_cache_approve(
     return txc
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def cache_approve_data(
     tx_hash_hex,
     tx,
@@ -450,6 +467,7 @@ def cache_approve_data(
     return (tx_hash_hex, cache_id)
 
 
+# TODO: Move to dedicated metadata package
 class ExtendedTx:
 
     _default_decimals = 6
@@ -470,6 +488,8 @@ class ExtendedTx:
         self.destination_token_symbol = ''
         self.source_token_decimals = ExtendedTx._default_decimals
         self.destination_token_decimals = ExtendedTx._default_decimals
+        self.status = TxStatus.PENDING.name
+        self.status_code = TxStatus.PENDING.value
 
 
     def set_actors(self, sender, recipient, trusted_declarator_addresses=None):
@@ -497,10 +517,18 @@ class ExtendedTx:
         self.destination_token_value = destination_value
 
 
+    def set_status(self, n):
+        if n:
+            self.status = TxStatus.ERROR.name
+        else:
+            self.status = TxStatus.SUCCESS.name
+        self.status_code = n
+
+
     def to_dict(self):
         o = {}
         for attr in dir(self):
-            if attr[0] == '_' or attr in ['set_actors', 'set_tokens', 'to_dict']:
+            if attr[0] == '_' or attr in ['set_actors', 'set_tokens', 'set_status', 'to_dict']:
                 continue
             o[attr] = getattr(self, attr)
         return o 

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

@@ -12,6 +12,7 @@ from cic_registry.chain import ChainSpec
 from .rpc import RpcClient
 from cic_eth.db import Otx, SessionBase
 from cic_eth.db.models.tx import TxCache
+from cic_eth.db.models.nonce import NonceReservation
 from cic_eth.db.models.lock import Lock
 from cic_eth.db.enum import (
         LockEnum,
@@ -32,6 +33,10 @@ from cic_eth.eth.nonce import NonceOracle
 from cic_eth.error import AlreadyFillingGasError
 from cic_eth.eth.util import tx_hex_string
 from cic_eth.admin.ctrl import lock_send
+from cic_eth.task import (
+        CriticalSQLAlchemyTask,
+        CriticalWeb3Task,
+        )
 
 celery_app = celery.current_app
 logg = logging.getLogger()
@@ -40,7 +45,7 @@ MAX_NONCE_ATTEMPTS = 3
 
 
 # TODO this function is too long
-@celery_app.task(bind=True, throws=(OutOfGasError))
+@celery_app.task(bind=True, throws=(OutOfGasError), base=CriticalSQLAlchemyTask)
 def check_gas(self, tx_hashes, chain_str, txs=[], address=None, gas_required=None):
     """Check the gas level of the sender address of a transaction.
 
@@ -65,7 +70,6 @@ def check_gas(self, tx_hashes, chain_str, txs=[], address=None, gas_required=Non
         for i in range(len(tx_hashes)):
             o = get_tx(tx_hashes[i])
             txs.append(o['signed_tx'])
-            logg.debug('ooooo {}'.format(o))
             if address == None:
                 address = o['address']
 
@@ -81,15 +85,23 @@ def check_gas(self, tx_hashes, chain_str, txs=[], address=None, gas_required=Non
     logg.debug('address {} has gas {} needs {}'.format(address, balance, gas_required))
 
     if gas_required > balance:
+        s_nonce = celery.signature(
+            'cic_eth.eth.tx.reserve_nonce',
+            [
+                address,
+                c.gas_provider(),
+                ],
+            queue=queue,
+            )
         s_refill_gas = celery.signature(
             'cic_eth.eth.tx.refill_gas',
             [
-                address,
                 chain_str,
                 ],
             queue=queue,
                 )
-        s_refill_gas.apply_async()
+        s_nonce.link(s_refill_gas)
+        s_nonce.apply_async()
         wait_tasks = []
         for tx_hash in tx_hashes:
             s = celery.signature(
@@ -105,15 +117,23 @@ def check_gas(self, tx_hashes, chain_str, txs=[], address=None, gas_required=Non
 
     safe_gas = c.safe_threshold_amount()
     if balance < safe_gas:
+        s_nonce = celery.signature(
+            'cic_eth.eth.tx.reserve_nonce',
+            [
+                address,
+                c.gas_provider(),
+                ],
+            queue=queue,
+            )
         s_refill_gas = celery.signature(
             'cic_eth.eth.tx.refill_gas',
             [
-                address,
                 chain_str,
                 ],
             queue=queue,
                 )
-        s_refill_gas.apply_async()
+        s_nonce.link(s_refill)
+        s_nonce.apply_async()
         logg.debug('requested refill from {} to {}'.format(c.gas_provider(), address))
     ready_tasks = []
     for tx_hash in tx_hashes:
@@ -131,7 +151,7 @@ def check_gas(self, tx_hashes, chain_str, txs=[], address=None, gas_required=Non
 
 
 # TODO: chain chainable transactions that use hashes as inputs may be chained to this function to output signed txs instead.
-@celery_app.task(bind=True)
+@celery_app.task(bind=True, base=CriticalSQLAlchemyTask)
 def hashes_to_txs(self, tx_hashes):
     """Return a list of raw signed transactions from the local transaction queue corresponding to a list of transaction hashes.
 
@@ -174,12 +194,7 @@ class ParityNodeHandler:
     def handle(self, exception, tx_hash_hex, tx_hex):
         meth = self.handle_default
         if isinstance(exception, (ValueError)):
-#            s_debug = celery.signature(
-#                'cic_eth.admin.debug.out_tmp',
-#                [tx_hash_hex, '{}: {}'.format(tx_hash_hex, exception)],
-#                queue=queue,
-#                )
-#            s_debug.apply_async()
+            
             earg = exception.args[0]
             if earg['code'] == -32010:
                 logg.debug('skipping lock for code {}'.format(earg['code']))
@@ -187,14 +202,15 @@ class ParityNodeHandler:
             elif earg['code'] == -32602:
                 meth = self.handle_invalid_encoding
             else:
+                # TODO: move to status log db comment field
                 meth = self.handle_invalid
         elif isinstance(exception, (requests.exceptions.ConnectionError)):
             meth = self.handle_connection
-        (t, e_fn, message) = meth(tx_hash_hex, tx_hex)
+        (t, e_fn, message) = meth(tx_hash_hex, tx_hex, str(exception))
         return (t, e_fn, '{} {}'.format(message, exception))
            
 
-    def handle_connection(self, tx_hash_hex, tx_hex):
+    def handle_connection(self, tx_hash_hex, tx_hex, debugstr=None):
         s_set_sent = celery.signature(
             'cic_eth.queue.tx.set_sent_status',
             [
@@ -207,7 +223,7 @@ class ParityNodeHandler:
         return (t, TemporaryTxError, 'Sendfail {}'.format(tx_hex_string(tx_hex, self.chain_spec.chain_id())))
 
 
-    def handle_invalid_encoding(self, tx_hash_hex, tx_hex):
+    def handle_invalid_encoding(self, tx_hash_hex, tx_hex, debugstr=None):
         tx_bytes = bytes.fromhex(tx_hex[2:])
         tx = unpack_signed_raw_tx(tx_bytes, self.chain_spec.chain_id())
         s_lock = celery.signature(
@@ -254,7 +270,7 @@ class ParityNodeHandler:
         return (t, PermanentTxError, 'Reject invalid encoding {}'.format(tx_hex_string(tx_hex, self.chain_spec.chain_id())))
 
 
-    def handle_invalid_parameters(self, tx_hash_hex, tx_hex):
+    def handle_invalid_parameters(self, tx_hash_hex, tx_hex, debugstr=None):
         s_sync = celery.signature(
             'cic_eth.eth.tx.sync_tx',
             [
@@ -267,7 +283,7 @@ class ParityNodeHandler:
         return (t, PermanentTxError, 'Reject invalid parameters {}'.format(tx_hex_string(tx_hex, self.chain_spec.chain_id())))
 
 
-    def handle_invalid(self, tx_hash_hex, tx_hex):
+    def handle_invalid(self, tx_hash_hex, tx_hex, debugstr=None):
         tx_bytes = bytes.fromhex(tx_hex[2:])
         tx = unpack_signed_raw_tx(tx_bytes, self.chain_spec.chain_id())
         s_lock = celery.signature(
@@ -285,12 +301,21 @@ class ParityNodeHandler:
             [],
             queue=self.queue,
             )
+        s_debug = celery.signature(
+            'cic_eth.admin.debug.alert',
+            [
+                tx_hash_hex,
+                debugstr,
+                ],
+            queue=self.queue,
+            )
+        s_set_reject.link(s_debug)
         s_lock.link(s_set_reject)
         t = s_lock.apply_async()
         return (t, PermanentTxError, 'Reject invalid {}'.format(tx_hex_string(tx_hex, self.chain_spec.chain_id())))
 
 
-    def handle_default(self, tx_hash_hex, tx_hex):
+    def handle_default(self, tx_hash_hex, tx_hex, debugstr):
         tx_bytes = bytes.fromhex(tx_hex[2:])
         tx = unpack_signed_raw_tx(tx_bytes, self.chain_spec.chain_id())
         s_lock = celery.signature(
@@ -308,12 +333,22 @@ class ParityNodeHandler:
             [],
             queue=self.queue,
             )
+        s_debug = celery.signature(
+            'cic_eth.admin.debug.alert',
+            [
+                tx_hash_hex,
+                debugstr,
+                ],
+            queue=self.queue,
+            )
+        s_set_fubar.link(s_debug)
         s_lock.link(s_set_fubar)
         t = s_lock.apply_async()
-        return (t, PermanentTxError, 'Fubar {}'.format(tx_hex_string(tx_hex, self.chain_spec.chain_id())))
+        return (t, PermanentTxError, 'Fubar {} {}'.format(tx_hex_string(tx_hex, self.chain_spec.chain_id()), debugstr))
 
 
-@celery_app.task(bind=True)
+# TODO: A lock should be introduced to ensure that the send status change and the transaction send is atomic.
+@celery_app.task(bind=True, base=CriticalWeb3Task)
 def send(self, txs, chain_str):
     """Send transactions to the network.
 
@@ -351,13 +386,6 @@ def send(self, txs, chain_str):
 
     c = RpcClient(chain_spec)
     r = None
-    try:
-        r = c.w3.eth.send_raw_transaction(tx_hex)
-    except Exception as e:
-        raiser = ParityNodeHandler(chain_spec, queue)
-        (t, e, m) = raiser.handle(e, tx_hash_hex, tx_hex)
-        raise e(m)
-
     s_set_sent = celery.signature(
         'cic_eth.queue.tx.set_sent_status',
         [
@@ -366,6 +394,14 @@ def send(self, txs, chain_str):
             ],
             queue=queue,
         )
+    try:
+        r = c.w3.eth.send_raw_transaction(tx_hex)
+    except requests.exceptions.ConnectionError as e:
+        raise(e)
+    except Exception as e:
+        raiser = ParityNodeHandler(chain_spec, queue)
+        (t, e, m) = raiser.handle(e, tx_hash_hex, tx_hex)
+        raise e(m)
     s_set_sent.apply_async()
 
     tx_tail = txs[1:]
@@ -380,7 +416,9 @@ def send(self, txs, chain_str):
     return r.hex()
 
 
-@celery_app.task(bind=True, throws=(AlreadyFillingGasError))
+# TODO: if this method fails the nonce will be out of sequence. session needs to be extended to include the queue create, so that nonce is rolled back if the second sql query fails. Better yet, split each state change into separate tasks.
+# TODO: method is too long, factor out code for clarity
+@celery_app.task(bind=True, throws=(web3.exceptions.TransactionNotFound,), base=CriticalWeb3Task)
 def refill_gas(self, recipient_address, chain_str):
     """Executes a native token transaction to fund the recipient's gas expenditures.
 
@@ -394,17 +432,21 @@ def refill_gas(self, recipient_address, chain_str):
     """
     chain_spec = ChainSpec.from_chain_str(chain_str)
 
+    zero_amount = False
     session = SessionBase.create_session()
     status_filter = StatusBits.FINAL | StatusBits.NODE_ERROR | StatusBits.NETWORK_ERROR | StatusBits.UNKNOWN_ERROR
     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()
     if c > 0:
-        raise AlreadyFillingGasError(recipient_address)
+        #session.close()
+        #raise AlreadyFillingGasError(recipient_address)
+        logg.warning('already filling gas {}'.format(str(AlreadyFillingGasError(recipient_address))))
+        zero_amount = True
+    session.flush()
 
     queue = self.request.delivery_info['routing_key']
 
@@ -413,10 +455,13 @@ def refill_gas(self, recipient_address, chain_str):
     logg.debug('refill gas from provider address {}'.format(c.gas_provider()))
     default_nonce = c.w3.eth.getTransactionCount(c.gas_provider(), 'pending')
     nonce_generator = NonceOracle(c.gas_provider(), default_nonce)
-    nonce = nonce_generator.next()
+    #nonce = nonce_generator.next(session=session)
+    nonce = nonce_generator.next_by_task_uuid(self.request.root_id, session=session)
     gas_price = c.gas_price()
     gas_limit = c.default_gas_limit
-    refill_amount = c.refill_amount()
+    refill_amount = 0
+    if not zero_amount:
+        refill_amount = c.refill_amount()
     logg.debug('tx send gas price {} nonce {}'.format(gas_price, nonce))
 
     # create and sign transaction
@@ -442,7 +487,9 @@ def refill_gas(self, recipient_address, chain_str):
         tx_hash_hex,
         tx_send_gas_signed['raw'],
         chain_str,
+        session=session,
         )
+    session.close()
 
     s_tx_cache = celery.signature(
             'cic_eth.eth.tx.cache_gas_refill_data',
@@ -460,6 +507,7 @@ def refill_gas(self, recipient_address, chain_str):
         queue=queue,
             )
     celery.group(s_tx_cache, s_status)()
+
     return tx_send_gas_signed['raw']
 
 
@@ -485,8 +533,8 @@ def resend_with_higher_gas(self, txold_hash_hex, chain_str, gas=None, default_fa
     q = session.query(Otx)
     q = q.filter(Otx.tx_hash==txold_hash_hex)
     otx = q.first()
-    session.close()
     if otx == None:
+        session.close()
         raise NotLocalTxError(txold_hash_hex)
 
     chain_spec = ChainSpec.from_chain_str(chain_str)
@@ -521,8 +569,10 @@ def resend_with_higher_gas(self, txold_hash_hex, chain_str, gas=None, default_fa
         tx_hash_hex,
         tx_signed_raw_hex,
         chain_str,
+        session=session,
             )
-    TxCache.clone(txold_hash_hex, tx_hash_hex)
+    TxCache.clone(txold_hash_hex, tx_hash_hex, session=session)
+    session.close()
 
     s = create_check_gas_and_send_task(
             [tx_signed_raw_hex],
@@ -537,8 +587,30 @@ def resend_with_higher_gas(self, txold_hash_hex, chain_str, gas=None, default_fa
     return tx_hash_hex
 
 
-@celery_app.task(bind=True, throws=(web3.exceptions.TransactionNotFound,))
+@celery_app.task(bind=True, base=CriticalSQLAlchemyTask)
+def reserve_nonce(self, chained_input, address=None):
+    session = SessionBase.create_session()
+
+    if address == None:
+        address = chained_input
+
+    root_id = self.request.root_id
+    nonce = NonceReservation.next(address, root_id)
+
+    session.close()
+
+    return chained_input
+
+
+@celery_app.task(bind=True, throws=(web3.exceptions.TransactionNotFound,), base=CriticalWeb3Task)
 def sync_tx(self, tx_hash_hex, chain_str):
+    """Force update of network status of a simgle transaction
+
+    :param tx_hash_hex: Transaction hash
+    :type tx_hash_hex: str, 0x-hex
+    :param chain_str: Chain spec string representation
+    :type chain_str: str
+    """
 
     queue = self.request.delivery_info['routing_key']
 
@@ -621,7 +693,7 @@ def resume_tx(self, txpending_hash_hex, chain_str):
     return txpending_hash_hex
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def otx_cache_parse_tx(
         tx_hash_hex,
         tx_signed_raw_hex,
@@ -648,7 +720,7 @@ def otx_cache_parse_tx(
     return txc
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def cache_gas_refill_data(
         tx_hash_hex,
         tx,

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

@@ -3,10 +3,11 @@ import logging
 import sha3
 import web3
 
-# third-party imports
+# external imports
 from rlp import decode as rlp_decode
 from rlp import encode as rlp_encode
 from eth_keys import KeyAPI
+from chainlib.eth.tx import unpack
 
 logg = logging.getLogger()
 
@@ -22,64 +23,65 @@ field_debugs = [
         's',
         ]
 
+unpack_signed_raw_tx = unpack
 
-def unpack_signed_raw_tx(tx_raw_bytes, chain_id):
-    d = rlp_decode(tx_raw_bytes)
-
-    logg.debug('decoding using chain id {}'.format(chain_id))
-    j = 0
-    for i in d:
-        logg.debug('decoded {}: {}'.format(field_debugs[j], i.hex()))
-        j += 1
-    vb = chain_id
-    if chain_id != 0:
-        v = int.from_bytes(d[6], 'big')
-        vb = v - (chain_id * 2) - 35
-    while len(d[7]) < 32:
-        d[7] = b'\x00' + d[7]
-    while len(d[8]) < 32:
-        d[8] = b'\x00' + d[8]
-    s = b''.join([d[7], d[8], bytes([vb])])
-    so = KeyAPI.Signature(signature_bytes=s)
-
-    h = sha3.keccak_256()
-    h.update(rlp_encode(d))
-    signed_hash = h.digest()
-
-    d[6] = chain_id
-    d[7] = b''
-    d[8] = b''
-
-    h = sha3.keccak_256()
-    h.update(rlp_encode(d))
-    unsigned_hash = h.digest()
-    
-    p = so.recover_public_key_from_msg_hash(unsigned_hash)
-    a = p.to_checksum_address()
-    logg.debug('decoded recovery byte {}'.format(vb))
-    logg.debug('decoded address {}'.format(a))
-    logg.debug('decoded signed hash {}'.format(signed_hash.hex()))
-    logg.debug('decoded unsigned hash {}'.format(unsigned_hash.hex()))
-
-    to = d[3].hex() or None
-    if to != None:
-        to = web3.Web3.toChecksumAddress('0x' + to)
-
-    return {
-        'from': a,
-        'nonce': int.from_bytes(d[0], 'big'),
-        'gasPrice': int.from_bytes(d[1], 'big'),
-        'gas': int.from_bytes(d[2], 'big'),
-        'to': to, 
-        'value': int.from_bytes(d[4], 'big'),
-        'data': '0x' + d[5].hex(),
-        'v': chain_id,
-        'r': '0x' + s[:32].hex(),
-        's': '0x' + s[32:64].hex(),
-        'chainId': chain_id,
-        'hash': '0x' + signed_hash.hex(),
-        'hash_unsigned': '0x' + unsigned_hash.hex(),
-            }
+#def unpack_signed_raw_tx(tx_raw_bytes, chain_id):
+#    d = rlp_decode(tx_raw_bytes)
+#
+#    logg.debug('decoding {} using chain id {}'.format(tx_raw_bytes.hex(), chain_id))
+#    j = 0
+#    for i in d:
+#        logg.debug('decoded {}: {}'.format(field_debugs[j], i.hex()))
+#        j += 1
+#    vb = chain_id
+#    if chain_id != 0:
+#        v = int.from_bytes(d[6], 'big')
+#        vb = v - (chain_id * 2) - 35
+#    while len(d[7]) < 32:
+#        d[7] = b'\x00' + d[7]
+#    while len(d[8]) < 32:
+#        d[8] = b'\x00' + d[8]
+#    s = b''.join([d[7], d[8], bytes([vb])])
+#    so = KeyAPI.Signature(signature_bytes=s)
+#
+#    h = sha3.keccak_256()
+#    h.update(rlp_encode(d))
+#    signed_hash = h.digest()
+#
+#    d[6] = chain_id
+#    d[7] = b''
+#    d[8] = b''
+#
+#    h = sha3.keccak_256()
+#    h.update(rlp_encode(d))
+#    unsigned_hash = h.digest()
+#    
+#    p = so.recover_public_key_from_msg_hash(unsigned_hash)
+#    a = p.to_checksum_address()
+#    logg.debug('decoded recovery byte {}'.format(vb))
+#    logg.debug('decoded address {}'.format(a))
+#    logg.debug('decoded signed hash {}'.format(signed_hash.hex()))
+#    logg.debug('decoded unsigned hash {}'.format(unsigned_hash.hex()))
+#
+#    to = d[3].hex() or None
+#    if to != None:
+#        to = web3.Web3.toChecksumAddress('0x' + to)
+#
+#    return {
+#        'from': a,
+#        'nonce': int.from_bytes(d[0], 'big'),
+#        'gasPrice': int.from_bytes(d[1], 'big'),
+#        'gas': int.from_bytes(d[2], 'big'),
+#        'to': to, 
+#        'value': int.from_bytes(d[4], 'big'),
+#        'data': '0x' + d[5].hex(),
+#        'v': chain_id,
+#        'r': '0x' + s[:32].hex(),
+#        's': '0x' + s[32:64].hex(),
+#        'chainId': chain_id,
+#        'hash': '0x' + signed_hash.hex(),
+#        'hash_unsigned': '0x' + unsigned_hash.hex(),
+#            }
 
 
 def unpack_signed_raw_tx_hex(tx_raw_hex, chain_id):

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

@@ -149,6 +149,9 @@ def tx_collate(tx_batches, chain_str, offset, limit, newest_first=True):
     txs_by_block = {}
     chain_spec = ChainSpec.from_chain_str(chain_str)
 
+    if isinstance(tx_batches, dict):
+        tx_batches = [tx_batches]
+
     for b in tx_batches:
         for v in b.values():
             tx = None

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

@@ -14,6 +14,7 @@ from cic_eth.db.enum import (
         StatusBits,
         dead,
         )
+from cic_eth.task import CriticalSQLAlchemyTask
 
 celery_app = celery.current_app
 
@@ -35,7 +36,7 @@ def __balance_outgoing_compatible(token_address, holder_address, chain_str):
     return delta
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def balance_outgoing(tokens, holder_address, chain_str):
     """Retrieve accumulated value of unprocessed transactions sent from the given address.
 
@@ -73,7 +74,7 @@ def __balance_incoming_compatible(token_address, receiver_address, chain_str):
     return delta
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def balance_incoming(tokens, receipient_address, chain_str):
     """Retrieve accumulated value of unprocessed transactions to be received by the given address.
 

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

@@ -10,6 +10,7 @@ from cic_registry.chain import ChainSpec
 from cic_eth.eth.rpc import RpcClient
 from cic_eth.db.models.otx import Otx
 from cic_eth.error import NotLocalTxError
+from cic_eth.task import CriticalSQLAlchemyAndWeb3Task
 
 celery_app = celery.current_app
 
@@ -17,7 +18,7 @@ logg = logging.getLogger()
 
 
 # TODO: This method does not belong in the _queue_ module, it operates across queue and network
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyAndWeb3Task)
 def tx_times(tx_hash, chain_str):
     chain_spec = ChainSpec.from_chain_str(chain_str)
     c = RpcClient(chain_spec)

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

@@ -26,9 +26,11 @@ from cic_eth.db.enum import (
         is_alive,
         dead,
         )
+from cic_eth.task import CriticalSQLAlchemyTask
 from cic_eth.eth.util import unpack_signed_raw_tx # TODO: should not be in same sub-path as package that imports queue.tx
 from cic_eth.error import NotLocalTxError
 from cic_eth.error import LockedError
+from cic_eth.db.enum import status_str
 
 celery_app = celery.current_app
 #logg = celery_app.log.get_default_logger()
@@ -86,7 +88,7 @@ def create(nonce, holder_address, tx_hash, signed_tx, chain_str, obsolete_predec
 
 
 # TODO: Replace set_* with single task for set status
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def set_sent_status(tx_hash, fail=False):
     """Used to set the status after a send attempt
 
@@ -118,7 +120,7 @@ def set_sent_status(tx_hash, fail=False):
     return tx_hash
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def set_final_status(tx_hash, block=None, fail=False):
     """Used to set the status of an incoming transaction result. 
 
@@ -174,7 +176,7 @@ def set_final_status(tx_hash, block=None, fail=False):
     return tx_hash
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def set_cancel(tx_hash, manual=False):
     """Used to set the status when a transaction is cancelled.
 
@@ -206,7 +208,7 @@ def set_cancel(tx_hash, manual=False):
     return tx_hash
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def set_rejected(tx_hash):
     """Used to set the status when the node rejects sending a transaction to network
 
@@ -232,7 +234,7 @@ def set_rejected(tx_hash):
     return tx_hash
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def set_fubar(tx_hash):
     """Used to set the status when an unexpected error occurs.
 
@@ -258,7 +260,7 @@ def set_fubar(tx_hash):
     return tx_hash
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def set_manual(tx_hash):
     """Used to set the status when queue is manually changed
 
@@ -284,7 +286,7 @@ def set_manual(tx_hash):
     return tx_hash
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def set_ready(tx_hash):
     """Used to mark a transaction as ready to be sent to network
 
@@ -310,7 +312,27 @@ def set_ready(tx_hash):
     return tx_hash
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
+def set_dequeue(tx_hash):
+    session = SessionBase.create_session()
+    q = session.query(Otx)
+    q = q.filter(Otx.tx_hash==tx_hash)
+    o = q.first()
+    if o == None:
+        session.close()
+        raise NotLocalTxError('queue does not contain tx hash {}'.format(tx_hash))
+
+    session.flush()
+
+    o.dequeue(session=session)
+    session.commit()
+    session.close()
+
+    return tx_hash
+
+
+
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def set_waitforgas(tx_hash):
     """Used to set the status when a transaction must be deferred due to gas refill
 
@@ -336,7 +358,7 @@ def set_waitforgas(tx_hash):
     return tx_hash
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def get_state_log(tx_hash):
 
     logs = []
@@ -355,7 +377,7 @@ def get_state_log(tx_hash):
     return logs
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def get_tx_cache(tx_hash):
     """Returns an aggregate dictionary of outgoing transaction data and metadata
 
@@ -386,7 +408,7 @@ def get_tx_cache(tx_hash):
         'tx_hash': otx.tx_hash,
         'signed_tx': otx.signed_tx,
         'nonce': otx.nonce,
-        'status': StatusEnum(otx.status).name,
+        'status': status_str(otx.status),
         'status_code': otx.status,
         'source_token': txc.source_token_address,
         'destination_token': txc.destination_token_address,
@@ -404,7 +426,7 @@ def get_tx_cache(tx_hash):
     return tx
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def get_lock(address=None):
     """Retrieve all active locks
 
@@ -442,7 +464,7 @@ def get_lock(address=None):
     return locks
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def get_tx(tx_hash):
     """Retrieve a transaction queue record by transaction hash
 
@@ -453,7 +475,9 @@ def get_tx(tx_hash):
     :rtype: dict
     """
     session = SessionBase.create_session()
-    tx = session.query(Otx).filter(Otx.tx_hash==tx_hash).first()
+    q = session.query(Otx)
+    q = q.filter(Otx.tx_hash==tx_hash)
+    tx = q.first()
     if tx == None:
         session.close()
         raise NotLocalTxError('queue does not contain tx hash {}'.format(tx_hash))
@@ -469,7 +493,7 @@ def get_tx(tx_hash):
     return o
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def get_nonce_tx(nonce, sender, chain_id):
     """Retrieve all transactions for address with specified nonce
 
@@ -544,7 +568,7 @@ def get_paused_txs(status=None, sender=None, chain_id=0, session=None):
     return txs
 
 
-def get_status_tx(status, before=None, exact=False, limit=0, session=None):
+def get_status_tx(status, not_status=None, before=None, exact=False, limit=0, session=None):
     """Retrieve transaction with a specific queue status.
 
     :param status: Status to match transactions with
@@ -560,11 +584,15 @@ def get_status_tx(status, before=None, exact=False, limit=0, session=None):
     session = SessionBase.bind_session(session)
     q = session.query(Otx)
     q = q.join(TxCache)
-    q = q.filter(TxCache.date_updated<before)
+   #     before = datetime.datetime.utcnow()
+    if before != None:
+        q = q.filter(TxCache.date_updated<before)
     if exact:
-        q = q.filter(Otx.status==status.value)
+        q = q.filter(Otx.status==status)
     else:
-        q = q.filter(Otx.status.op('&')(status.value)==status.value)
+        q = q.filter(Otx.status.op('&')(status)>0)
+        if not_status != None:
+            q = q.filter(Otx.status.op('&')(not_status)==0)
     i = 0
     for o in q.all():
         if limit > 0 and i == limit:
@@ -652,7 +680,7 @@ def get_upcoming_tx(status=StatusEnum.READYSEND, recipient=None, before=None, ch
     return txs
 
 
-@celery_app.task()
+@celery_app.task(base=CriticalSQLAlchemyTask)
 def get_account_tx(address, as_sender=True, as_recipient=True, counterpart=None):
     """Returns all local queue transactions for a given Ethereum address
 

apps/cic-eth/cic_eth/registry.py

@@ -0,0 +1,86 @@
+# standard imports
+import logging
+import copy
+
+# external imports
+from cic_registry import CICRegistry
+from eth_token_index import TokenUniqueSymbolIndex
+from eth_accounts_index import AccountRegistry
+from chainlib.chain import ChainSpec
+from cic_registry.chain import ChainRegistry
+from cic_registry.helper.declarator import DeclaratorOracleAdapter
+
+logg = logging.getLogger(__name__)
+
+
+class TokenOracle:
+
+    def __init__(self, conn, chain_spec, registry):
+        self.tokens = []
+        self.chain_spec = chain_spec
+        self.registry = registry
+
+        token_registry_contract = CICRegistry.get_contract(chain_spec, 'TokenRegistry', 'Registry')
+        self.getter = TokenUniqueSymbolIndex(conn, token_registry_contract.address())
+
+
+    def get_tokens(self):
+        token_count = self.getter.count()
+        if token_count == len(self.tokens):
+            return self.tokens
+
+        for i in range(len(self.tokens), token_count):
+            token_address = self.getter.get_index(i)
+            t = self.registry.get_address(self.chain_spec, token_address)
+            token_symbol = t.symbol()
+            self.tokens.append(t)
+
+            logg.debug('adding token idx {} symbol {} address {}'.format(i, token_symbol, token_address))
+
+        return copy.copy(self.tokens)
+
+
+class AccountsOracle:
+
+    def __init__(self, conn, chain_spec, registry):
+        self.accounts = []
+        self.chain_spec = chain_spec
+        self.registry = registry
+
+        accounts_registry_contract = CICRegistry.get_contract(chain_spec, 'AccountRegistry', 'Registry')
+        self.getter = AccountRegistry(conn, accounts_registry_contract.address())
+
+
+    def get_accounts(self):
+        accounts_count = self.getter.count()
+        if accounts_count == len(self.accounts):
+            return self.accounts
+
+        for i in range(len(self.accounts), accounts_count):
+            account = self.getter.get_index(i)
+            self.accounts.append(account)
+            logg.debug('adding account {}'.format(account))
+
+        return copy.copy(self.accounts)
+
+
+def init_registry(config, w3):
+    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, True)
+
+    declarator = CICRegistry.get_contract(chain_spec, 'AddressDeclarator', interface='Declarator')
+    trusted_addresses_src = config.get('CIC_TRUST_ADDRESS')
+    if trusted_addresses_src == None:
+        raise ValueError('At least one trusted address must be declared in CIC_TRUST_ADDRESS')
+    trusted_addresses = trusted_addresses_src.split(',')
+    for address in trusted_addresses:
+        logg.info('using trusted address {}'.format(address))
+
+    oracle = DeclaratorOracleAdapter(declarator.contract, trusted_addresses)
+    chain_registry.add_oracle(oracle, 'naive_erc20_oracle')
+
+    return CICRegistry

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

@@ -15,21 +15,30 @@ import web3
 from web3 import HTTPProvider, WebsocketProvider
 from cic_registry import CICRegistry
 from cic_registry.chain import ChainSpec
+from chainlib.eth.tx import unpack
+from hexathon import strip_0x
 
 # local imports
 import cic_eth
 from cic_eth.eth import RpcClient
 from cic_eth.db import SessionBase
 from cic_eth.db.enum import StatusEnum
+from cic_eth.db.enum import StatusBits
 from cic_eth.db.enum import LockEnum
 from cic_eth.db import dsn_from_config
-from cic_eth.queue.tx import get_upcoming_tx
+from cic_eth.queue.tx import (
+        get_upcoming_tx,
+        set_dequeue,
+        )
 from cic_eth.admin.ctrl import lock_send
 from cic_eth.sync.error import LoopDone
 from cic_eth.eth.tx import send as task_tx_send
-from cic_eth.error import PermanentTxError
-from cic_eth.error import TemporaryTxError
-from cic_eth.eth.util import unpack_signed_raw_tx_hex
+from cic_eth.error import (
+        PermanentTxError,
+        TemporaryTxError,
+        NotLocalTxError,
+        )
+#from cic_eth.eth.util import unpack_signed_raw_tx_hex
 
 logging.basicConfig(level=logging.WARNING)
 logg = logging.getLogger()
@@ -91,6 +100,8 @@ 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()
@@ -106,7 +117,15 @@ class DispatchSyncer:
         chain_str = str(self.chain_spec)
         for k in txs.keys():
             tx_raw = txs[k]
-            tx = unpack_signed_raw_tx_hex(tx_raw, self.chain_spec.chain_id())
+            #tx = unpack_signed_raw_tx_hex(tx_raw, self.chain_spec.chain_id())
+            tx_raw_bytes = bytes.fromhex(strip_0x(tx_raw))
+            tx = unpack(tx_raw_bytes, self.chain_spec.chain_id())
+            
+            try:
+                set_dequeue(tx['hash'])
+            except NotLocalTxError as e:
+                logg.warning('dispatcher was triggered with non-local tx {}'.format(tx['hash']))
+                continue
 
             s_check = celery.signature(
                 'cic_eth.admin.ctrl.check_lock',
@@ -127,18 +146,22 @@ class DispatchSyncer:
                     )
             s_check.link(s_send)
             t = s_check.apply_async()
+            logg.info('processed {}'.format(k))
 
 
     def loop(self, w3, interval):
         while run:
             txs = {}
-            typ = StatusEnum.READYSEND
+            typ = StatusBits.QUEUED
             utxs = get_upcoming_tx(typ, chain_id=self.chain_id)
             for k in utxs.keys():
                 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/__init__.py

@@ -2,3 +2,4 @@ from .callback import CallbackFilter
 from .tx import TxFilter
 from .gas import GasFilter
 from .register import RegistrationFilter
+from .transferauth import TransferAuthFilter

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

@@ -5,37 +5,46 @@ import logging
 import web3
 import celery
 from cic_registry.error import UnknownContractError
+from chainlib.status import Status as TxStatus
+from chainlib.eth.address import to_checksum
+from chainlib.eth.constant import ZERO_ADDRESS
+from hexathon import strip_0x
 
 # local imports
 from .base import SyncFilter
-from cic_eth.eth.token import unpack_transfer
-from cic_eth.eth.token import unpack_transferfrom
+from cic_eth.eth.token import (
+        unpack_transfer,
+        unpack_transferfrom,
+        )
+from cic_eth.eth.account import unpack_gift
 from cic_eth.eth.token import ExtendedTx
 from .base import SyncFilter
 
-logg = logging.getLogger()
+logg = logging.getLogger(__name__)
 
-transfer_method_signature = '0xa9059cbb' # keccak256(transfer(address,uint256))
-transferfrom_method_signature = '0x23b872dd' # keccak256(transferFrom(address,address,uint256))
-giveto_method_signature = '0x63e4bff4' # keccak256(giveTo(address))
+transfer_method_signature = 'a9059cbb' # keccak256(transfer(address,uint256))
+transferfrom_method_signature = '23b872dd' # keccak256(transferFrom(address,address,uint256))
+giveto_method_signature = '63e4bff4' # keccak256(giveTo(address))
 
 
 class CallbackFilter(SyncFilter):
 
     trusted_addresses = []
 
-    def __init__(self, method, queue):
+    def __init__(self, chain_spec, method, queue):
         self.queue = queue
         self.method = method
+        self.chain_spec = chain_spec
 
 
     def call_back(self, transfer_type, result):
+        logg.debug('result {}'.format(result))
         s = celery.signature(
             self.method,
             [
                 result,
                 transfer_type,
-                int(rcpt.status == 0),
+                int(result['status_code'] == 0),
             ],
             queue=self.queue,
             )
@@ -50,58 +59,85 @@ class CallbackFilter(SyncFilter):
 #            )
 #        s_translate.link(s)
 #        s_translate.apply_async()
-        s.apply_async()
+        t = s.apply_async()
+        return s
 
 
-    def parse_data(self, tx, rcpt):
-        transfer_type = 'transfer'
+    def parse_data(self, tx):
+        transfer_type = None
         transfer_data = None
-        method_signature = tx.input[:10]
+        logg.debug('have payload {}'.format(tx.payload))
+        method_signature = tx.payload[:8]
 
+        logg.debug('tx status {}'.format(tx.status))
         if method_signature == transfer_method_signature:
-            transfer_data = unpack_transfer(tx.input)
+            transfer_data = unpack_transfer(tx.payload)
             transfer_data['from'] = tx['from']
             transfer_data['token_address'] = tx['to']
 
         elif method_signature == transferfrom_method_signature:
             transfer_type = 'transferfrom'
-            transfer_data = unpack_transferfrom(tx.input)
+            transfer_data = unpack_transferfrom(tx.payload)
             transfer_data['token_address'] = tx['to']
 
         # TODO: do not rely on logs here
         elif method_signature == giveto_method_signature:
             transfer_type = 'tokengift'
-            transfer_data = unpack_gift(tx.input)
-            for l in rcpt.logs:
-                if l.topics[0].hex() == '0x45c201a59ac545000ead84f30b2db67da23353aa1d58ac522c48505412143ffa':
-                    transfer_data['value'] = web3.Web3.toInt(hexstr=l.data)
-                    token_address_bytes = l.topics[2][32-20:]
-                    transfer_data['token_address'] = web3.Web3.toChecksumAddress(token_address_bytes.hex())
-                    transfer_data['from'] = rcpt.to
+            transfer_data = unpack_gift(tx.payload)
+            transfer_data['from'] = tx.inputs[0]
+            transfer_data['value'] = 0
+            transfer_data['token_address'] = ZERO_ADDRESS
+            for l in tx.logs:
+                topics = l['topics']
+                logg.debug('topixx {}'.format(topics))
+                if strip_0x(topics[0]) == '45c201a59ac545000ead84f30b2db67da23353aa1d58ac522c48505412143ffa':
+                    transfer_data['value'] = web3.Web3.toInt(hexstr=strip_0x(l['data']))
+                    #token_address_bytes = topics[2][32-20:]
+                    token_address = strip_0x(topics[2])[64-40:]
+                    transfer_data['token_address'] = to_checksum(token_address)
+
+        logg.debug('resolved method {}'.format(transfer_type))
+
+        if transfer_data != None:
+            transfer_data['status'] = tx.status
 
         return (transfer_type, transfer_data)
 
 
-    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)
-
-        transfer_data = self.parse_data(tx, rcpt)
+    def filter(self, conn, block, tx, db_session=None):
+        chain_str = str(self.chain_spec)
 
         transfer_data = None
-        if len(tx.input) < 10:
-            logg.debug('callbacks filter data length not sufficient for method signature in tx {}, skipping'.format(tx['hash']))
+        transfer_type = None
+        try:
+            (transfer_type, transfer_data) = self.parse_data(tx)
+        except TypeError:
+            logg.debug('invalid method data length for tx {}'.format(tx.hash))
             return
 
-        logg.debug('checking callbacks filter input {}'.format(tx.input[:10]))
+        if len(tx.payload) < 8:
+            logg.debug('callbacks filter data length not sufficient for method signature in tx {}, skipping'.format(tx.hash))
+            return
+
+        logg.debug('checking callbacks filter input {}'.format(tx.payload[:8]))
 
         if transfer_data != None:
+            logg.debug('wtfoo {}'.format(transfer_data))
             token_symbol = None
             result = None
             try:
-                tokentx = ExtendedTx(self.chain_spec)
+                tokentx = ExtendedTx(tx.hash, self.chain_spec)
                 tokentx.set_actors(transfer_data['from'], transfer_data['to'], self.trusted_addresses)
                 tokentx.set_tokens(transfer_data['token_address'], transfer_data['value'])
-                self.call_back(tokentx.to_dict())
+                if transfer_data['status'] == 0:
+                    tokentx.set_status(1)
+                else:
+                    tokentx.set_status(0)
+                t = self.call_back(transfer_type, tokentx.to_dict())
+                logg.info('callback success task id {} tx {}'.format(t, tx.hash))
             except UnknownContractError:
-                logg.debug('callback filter {}:{} skipping "transfer" method on unknown contract {} tx {}'.format(tc.queue, tc.method, transfer_data['to'], tx.hash.hex()))
+                logg.debug('callback filter {}:{} skipping "transfer" method on unknown contract {} tx {}'.format(tc.queue, tc.method, transfer_data['to'], tx.hash))
+
+
+    def __str__(self):
+        return 'cic-eth callbacks'

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

@@ -1,31 +1,32 @@
 # standard imports
 import logging
 
-# third-party imports
+# external imports
 from cic_registry.chain import ChainSpec
+from hexathon import add_0x
 
 # 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
 
-logg = logging.getLogger()
+logg = logging.getLogger(__name__)
 
 
 class GasFilter(SyncFilter):
 
-    def __init__(self, gas_provider, queue=None):
+    def __init__(self, chain_spec, queue=None):
         self.queue = queue
-        self.gas_provider = gas_provider
+        self.chain_spec = chain_spec
 
 
-    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:
+    def filter(self, conn, block, tx, session):
+        tx_hash_hex = add_0x(tx.hash)
+        if tx.value > 0:
             logg.debug('gas refill tx {}'.format(tx_hash_hex))
             session = SessionBase.bind_session(session)
             q = session.query(TxCache.recipient)
@@ -34,23 +35,26 @@ class GasFilter(SyncFilter):
             r = q.first()
 
             if r == None:
-                logg.warning('unsolicited gas refill tx {}'.format(tx_hash_hex))
+                logg.debug('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(), session=session)
+            txs = get_paused_txs(StatusBits.GAS_ISSUES, r[0], self.chain_spec.chain_id(), session=session)
 
             SessionBase.release_session(session)
 
+            logg.info('resuming gas-in-waiting txs for {}'.format(r[0]))
             if len(txs) > 0:
-                logg.info('resuming gas-in-waiting txs for {}: {}'.format(r[0], txs.keys()))
                 s = create_check_gas_and_send_task(
                         list(txs.values()),
-                        str(chain_str),
+                        str(self.chain_spec),
                         r[0],
                         0,
                         tx_hashes_hex=list(txs.keys()),
                         queue=self.queue,
                 )
                 s.apply_async()
+
+
+    def __str__(self):
+        return 'eic-eth gasfilter'

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

@@ -4,32 +4,54 @@ import logging
 # third-party imports
 import celery
 from chainlib.eth.address import to_checksum
+from hexathon import (
+        add_0x,
+        strip_0x,
+        )
 
 # local imports
 from .base import SyncFilter
 
-logg = logging.getLogger()
+logg = logging.getLogger(__name__)
 
 account_registry_add_log_hash = '0x5ed3bdd47b9af629827a8d129aa39c870b10c03f0153fe9ddb8e84b665061acd' # keccak256(AccountAdded(address,uint256))
 
 
 class RegistrationFilter(SyncFilter):
 
-    def filter(self, w3, tx, rcpt, chain_spec, session=None):
-        logg.debug('applying registration filter')
+    def __init__(self, chain_spec, queue):
+        self.chain_spec = chain_spec
+        self.queue = queue
+
+
+    def filter(self, conn, block, tx, db_session=None): 
         registered_address = None
-        for l in rcpt['logs']:
-            event_topic_hex = l['topics'][0].hex()
+        for l in tx.logs:
+            event_topic_hex = l['topics'][0]
             if event_topic_hex == account_registry_add_log_hash:
-                address_bytes = l.topics[1][32-20:]
-                address = to_checksum(address_bytes.hex())
-                logg.debug('request token gift to {}'.format(address))
-                s = celery.signature(
-                    'cic_eth.eth.account.gift',
+                # TODO: use abi conversion method instead
+
+                address_hex = strip_0x(l['topics'][1])[64-40:]
+                address = to_checksum(add_0x(address_hex))
+                logg.info('request token gift to {}'.format(address))
+                s_nonce = celery.signature(
+                    'cic_eth.eth.tx.reserve_nonce',
                     [
                         address,
-                        str(chain_spec),
                         ],
-                    queue=queue,
+                    queue=self.queue,
                     )
-                s.apply_async()
+                s_gift = celery.signature(
+                    'cic_eth.eth.account.gift',
+                    [
+                        str(self.chain_spec),
+                        ],
+                    queue=self.queue,
+                    )
+                s_nonce.link(s_gift)
+                s_nonce.apply_async()
+
+
+    def __str__(self):
+        return 'cic-eth account registration'
+

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

@@ -0,0 +1,97 @@
+# standard imports
+import logging
+
+# external imports
+import celery
+from hexathon import (
+        strip_0x,
+        add_0x,
+        )
+from chainlib.eth.address import to_checksum
+from .base import SyncFilter
+
+
+logg = logging.getLogger(__name__)
+
+transfer_request_signature = 'ed71262a'
+
+def unpack_create_request(data):
+
+    data = strip_0x(data)
+    cursor = 0
+    f = data[cursor:cursor+8]
+    cursor += 8
+
+    if f != transfer_request_signature:
+        raise ValueError('Invalid create request data ({})'.format(f))
+
+    o = {}
+    o['sender'] = data[cursor+24:cursor+64]
+    cursor += 64
+    o['recipient'] = data[cursor+24:cursor+64]
+    cursor += 64
+    o['token'] = data[cursor+24:cursor+64]
+    cursor += 64
+    o['value'] = int(data[cursor:], 16)
+    return o
+
+
+class TransferAuthFilter(SyncFilter):
+
+    def __init__(self, registry, chain_spec, queue=None):
+        self.queue = queue
+        self.chain_spec = chain_spec
+        self.transfer_request_contract = registry.get_contract(self.chain_spec, 'TransferAuthorization')
+
+
+    def filter(self, conn, block, tx, session): #rcpt, chain_str, session=None):
+
+        if tx.payload == None:
+            logg.debug('no payload')
+            return False
+
+        payloadlength = len(tx.payload)
+        if payloadlength != 8+256:
+            logg.debug('{} below minimum length for a transfer auth call'.format(payloadlength))
+            logg.debug('payload {}'.format(tx.payload))
+            return False
+
+        recipient = tx.inputs[0]
+        if recipient != self.transfer_request_contract.address():
+            logg.debug('not our transfer auth contract address {}'.format(recipient))
+            return False
+
+        o = unpack_create_request(tx.payload) 
+           
+        sender = add_0x(to_checksum(o['sender']))
+        recipient = add_0x(to_checksum(recipient))
+        token = add_0x(to_checksum(o['token']))
+        token_data = {
+            'address': token,
+            }
+
+        s_nonce = celery.signature(
+            'cic_eth.eth.tx.reserve_nonce',
+            [
+                [token_data],
+                sender,
+                ],
+            queue=self.queue,
+            )
+        s_approve = celery.signature(
+            'cic_eth.eth.token.approve',
+            [
+                sender,
+                recipient,
+                o['value'],
+                str(self.chain_spec),
+                ],
+            queue=self.queue,
+            )
+        s_nonce.link(s_approve)
+        t = s_nonce.apply_async()
+        return True
+
+
+    def __str__(self):
+        return 'cic-eth transfer auth filter'

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

@@ -3,39 +3,47 @@ import logging
 
 # third-party imports
 import celery
+from hexathon import (
+        add_0x,
+        )
 
 # local imports
 from cic_eth.db.models.otx import Otx
-from cic_eth.db.models.base import SessionBase
+from chainsyncer.db.models.base import SessionBase
+from chainlib.status import Status
 from .base import SyncFilter
 
-logg = logging.getLogger()
+logg = logging.getLogger(__name__)
 
 
 class TxFilter(SyncFilter):
 
-    def __init__(self, queue):
+    def __init__(self, chain_spec, queue):
         self.queue = queue
+        self.chain_spec = 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, session=session)
-        SessionBase.release_session(session)
+    def filter(self, conn, block, tx, db_session=None):
+        db_session = SessionBase.bind_session(db_session)
+        tx_hash_hex = tx.hash
+        otx = Otx.load(add_0x(tx_hash_hex), session=db_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))
+        logg.info('tx filter match on {}'.format(otx.tx_hash))
+        SessionBase.release_session(db_session)
         s = celery.signature(
                 'cic_eth.queue.tx.set_final_status',
                 [
-                    tx_hash_hex,
-                    rcpt.blockNumber,
-                    rcpt.status == 0,
+                    add_0x(tx_hash_hex),
+                    tx.block.number,
+                    tx.status == Status.ERROR,
                     ],
                 queue=self.queue,
                 )
         t = s.apply_async()
         return t
+
+
+    def __str__(self):
+        return 'cic-eth erc20 transfer filter'

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

@@ -1,207 +0,0 @@
-# standard imports
-import os
-import sys
-import logging
-import time
-import argparse
-import sys
-import re
-
-# third-party imports
-import confini
-import celery
-import rlp
-import web3
-from web3 import HTTPProvider, WebsocketProvider
-from cic_registry import CICRegistry
-from cic_registry.chain import ChainSpec
-from cic_registry import zero_address
-from cic_registry.chain import ChainRegistry
-from cic_registry.error import UnknownContractError
-from cic_bancor.bancor import BancorRegistryClient
-
-# local imports
-import cic_eth
-from cic_eth.eth import RpcClient
-from cic_eth.db import SessionBase
-from cic_eth.db import Otx
-from cic_eth.db import TxConvertTransfer
-from cic_eth.db.models.tx import TxCache
-from cic_eth.db.enum import StatusEnum
-from cic_eth.db import dsn_from_config
-from cic_eth.queue.tx import get_paused_txs
-from cic_eth.sync import Syncer
-from cic_eth.sync.error import LoopDone
-from cic_eth.db.error import UnknownConvertError
-from cic_eth.eth.util import unpack_signed_raw_tx
-from cic_eth.eth.task import create_check_gas_and_send_task
-from cic_eth.sync.backend import SyncerBackend
-from cic_eth.eth.token import unpack_transfer
-from cic_eth.eth.token import unpack_transferfrom
-from cic_eth.eth.account import unpack_gift
-from cic_eth.runnable.daemons.filters import (
-        CallbackFilter,
-        GasFilter,
-        TxFilter,
-        RegistrationFilter,
-        )
-
-logging.basicConfig(level=logging.WARNING)
-logg = logging.getLogger()
-logging.getLogger('websockets.protocol').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)
-
-
-config_dir = os.path.join('/usr/local/etc/cic-eth')
-
-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('--abi-dir', dest='abi_dir', type=str, help='Directory containing bytecode and abi')
-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('-q', type=str, default='cic-eth', help='celery queue to submit transaction tasks to')
-argparser.add_argument('-v', help='be verbose', action='store_true')
-argparser.add_argument('-vv', help='be more verbose', action='store_true')
-argparser.add_argument('mode', type=str, help='sync mode: (head|history)', default='head')
-args = argparser.parse_args(sys.argv[1:])
-
-if args.v == True:
-    logging.getLogger().setLevel(logging.INFO)
-elif args.vv == True:
-    logging.getLogger().setLevel(logging.DEBUG)
-
-config_dir = os.path.join(args.c)
-os.makedirs(config_dir, 0o777, True)
-config = confini.Config(config_dir, args.env_prefix)
-config.process()
-# override args
-args_override = {
-        'ETH_ABI_DIR': getattr(args, 'abi_dir'),
-        'CIC_CHAIN_SPEC': getattr(args, 'i'),
-        }
-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))
-
-app = celery.Celery(backend=config.get('CELERY_RESULT_URL'),  broker=config.get('CELERY_BROKER_URL'))
-
-queue = args.q
-
-chain_spec = ChainSpec.from_chain_str(config.get('CIC_CHAIN_SPEC'))
-
-
-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)
-RpcClient.set_constructor(web3_constructor)
-
-c = RpcClient(chain_spec)
-CICRegistry.init(c.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, True)
-
-declarator = CICRegistry.get_contract(chain_spec, 'AddressDeclarator', interface='Declarator')
-
-
-dsn = dsn_from_config(config)
-SessionBase.connect(dsn, pool_size=1, debug=config.true('DATABASE_DEBUG'))
-
-
-def main():
-    global chain_spec, c, queue
-
-    if config.get('ETH_ACCOUNT_ACCOUNTS_INDEX_WRITER') != None:
-        CICRegistry.add_role(chain_spec, config.get('ETH_ACCOUNT_ACCOUNTS_INDEX_WRITER'), 'AccountRegistry', True)
-
-    syncers = []
-    block_offset = c.w3.eth.blockNumber
-    chain = str(chain_spec)
-
-    if SyncerBackend.first(chain):
-        from cic_eth.sync.history import HistorySyncer
-        backend = SyncerBackend.initial(chain, block_offset)
-        syncer = HistorySyncer(backend) 
-        syncers.append(syncer)
-
-    if args.mode == 'head':
-        from cic_eth.sync.head import HeadSyncer
-        block_sync = SyncerBackend.live(chain, block_offset+1)
-        syncers.append(HeadSyncer(block_sync))
-    elif args.mode == 'history':
-        from cic_eth.sync.history import HistorySyncer
-        backends = SyncerBackend.resume(chain, block_offset+1)
-        for backend in backends:
-            syncers.append(HistorySyncer(backend))
-        if len(syncers) == 0:
-            logg.info('found no unsynced history. terminating')
-            sys.exit(0)
-    else:
-        sys.stderr.write("unknown mode '{}'\n".format(args.mode))
-        sys.exit(1)
-
-#    bancor_registry_contract = CICRegistry.get_contract(chain_spec, 'BancorRegistry', interface='Registry')
-#    bancor_chain_registry = CICRegistry.get_chain_registry(chain_spec)
-#    bancor_registry = BancorRegistryClient(c.w3, bancor_chain_registry, config.get('ETH_ABI_DIR'))
-#    bancor_registry.load() 
- 
-    trusted_addresses_src = config.get('CIC_TRUST_ADDRESS')
-    if trusted_addresses_src == None:
-        logg.critical('At least one trusted address must be declared in CIC_TRUST_ADDRESS')
-        sys.exit(1)
-    trusted_addresses = trusted_addresses_src.split(',')
-    for address in trusted_addresses:
-        logg.info('using trusted address {}'.format(address))
-    CallbackFilter.trusted_addresses = trusted_addresses
-
-    callback_filters = []
-    for cb in config.get('TASKS_TRANSFER_CALLBACKS', '').split(','):
-        task_split = cb.split(':')
-        task_queue = queue
-        if len(task_split) > 1:
-            task_queue = task_split[0]
-        callback_filter = CallbackFilter(task_split[1], task_queue)
-        callback_filters.append(callback_filter)
-
-    tx_filter = TxFilter(queue)
-
-    registration_filter = RegistrationFilter()
-
-    gas_filter = GasFilter(c.gas_provider(), queue)
-
-    i = 0
-    for syncer in syncers:
-        logg.debug('running syncer index {}'.format(i))
-        syncer.filter.append(gas_filter.filter)
-        syncer.filter.append(registration_filter.filter)
-        # TODO: the two following filter functions break the filter loop if return uuid. Pro: less code executed. Con: Possibly unintuitive flow break
-        syncer.filter.append(tx_filter.filter)
-        #syncer.filter.append(convert_filter)
-        for cf in callback_filters:
-            syncer.filter.append(cf.filter)
-
-        try:
-            syncer.loop(int(config.get('SYNCER_LOOP_INTERVAL')))
-        except LoopDone as e:
-            sys.stderr.write("sync '{}' done at block {}\n".format(args.mode, e))
-
-        i += 1
-
-    sys.exit(0)
-
-
-if __name__ == '__main__':
-    main()

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

@@ -138,7 +138,7 @@ def sendfail_filter(w3, tx_hash, rcpt, chain_str):
 
 # TODO: can we merely use the dispatcher instead?
 def dispatch(chain_str):
-    txs = get_status_tx(StatusEnum.RETRY, datetime.datetime.utcnow())
+    txs = get_status_tx(StatusEnum.RETRY, before=datetime.datetime.utcnow())
     if len(txs) == 0:
         logg.debug('no retry state txs found')
         return

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

@@ -55,62 +55,25 @@ SessionBase.connect(dsn)
 celery_app = celery.Celery(backend=config.get('CELERY_RESULT_URL'),  broker=config.get('CELERY_BROKER_URL'))
 queue = args.q
 
-re_transfer_approval_request = r'^/transferrequest/?'
+re_something = r'^/something/?'
 
 chain_spec = ChainSpec.from_chain_str(config.get('CIC_CHAIN_SPEC'))
 
 
-def process_transfer_approval_request(session, env):
-    r = re.match(re_transfer_approval_request, env.get('PATH_INFO'))
+def process_something(session, env):
+    r = re.match(re_something, env.get('PATH_INFO'))
     if not r:
         return None
 
-    if env.get('CONTENT_TYPE') != 'application/json':
-        raise AttributeError('content type')
+    #if env.get('CONTENT_TYPE') != 'application/json':
+    #    raise AttributeError('content type')
 
-    if env.get('REQUEST_METHOD') != 'POST':
-        raise AttributeError('method')
+    #if env.get('REQUEST_METHOD') != 'POST':
+    #    raise AttributeError('method')
 
-    post_data = json.load(env.get('wsgi.input'))
-    token_address = web3.Web3.toChecksumAddress(post_data['token_address'])
-    holder_address = web3.Web3.toChecksumAddress(post_data['holder_address'])
-    beneficiary_address = web3.Web3.toChecksumAddress(post_data['beneficiary_address'])
-    value = int(post_data['value'])
-
-    logg.debug('transfer approval request token {} to {} from {} value {}'.format(
-        token_address,
-        beneficiary_address,
-        holder_address,
-        value,
-        )
-        )
-
-    s = celery.signature(
-        'cic_eth.eth.request.transfer_approval_request',
-        [
-            [
-                {
-                    'address': token_address,
-                    },
-                ],
-            holder_address,
-            beneficiary_address,
-            value,
-            config.get('CIC_CHAIN_SPEC'),
-            ],
-        queue=queue,
-     )
-    t = s.apply_async()
-    r = t.get()
-    tx_raw_bytes = bytes.fromhex(r[0][2:])
-    tx = unpack_signed_raw_tx(tx_raw_bytes, chain_spec.chain_id())
-    for r in t.collect():
-        logg.debug('result {}'.format(r))
-
-    if not t.successful():
-        raise RuntimeError(tx['hash'])
-
-    return ('text/plain', tx['hash'].encode('utf-8'),)
+    #post_data = json.load(env.get('wsgi.input'))
+    
+    #return ('text/plain', 'foo'.encode('utf-8'),)
 
 
 # uwsgi application
@@ -125,7 +88,7 @@ def application(env, start_response):
 
     session = SessionBase.create_session()
     for handler in [
-            process_transfer_approval_request,
+            process_something,
             ]:
         try:
             r = handler(session, env)

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

@@ -26,12 +26,12 @@ from cic_eth.eth import bancor
 from cic_eth.eth import token
 from cic_eth.eth import tx
 from cic_eth.eth import account
-from cic_eth.eth import request
 from cic_eth.admin import debug
 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
@@ -39,6 +39,7 @@ from cic_eth.callbacks import redis
 from cic_eth.db.models.base import SessionBase
 from cic_eth.db.models.otx import Otx
 from cic_eth.db import dsn_from_config
+from cic_eth.ext import tx
 
 logging.basicConfig(level=logging.WARNING)
 logg = logging.getLogger()
@@ -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'),
         }
@@ -228,7 +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/runnable/daemons/tracker.py

@@ -0,0 +1,172 @@
+# standard imports
+import os
+import sys
+import logging
+import time
+import argparse
+import sys
+import re
+
+# third-party imports
+import confini
+import celery
+import rlp
+import web3
+from web3 import HTTPProvider, WebsocketProvider
+import cic_base.config
+import cic_base.log
+import cic_base.argparse
+import cic_base.rpc
+from cic_registry import CICRegistry
+from chainlib.chain import ChainSpec
+from cic_registry import zero_address
+from cic_registry.chain import ChainRegistry
+from cic_registry.error import UnknownContractError
+from chainlib.eth.connection import HTTPConnection
+from chainlib.eth.block import (
+        block_latest,
+        )
+from hexathon import (
+        strip_0x,
+        )
+from chainsyncer.backend import SyncerBackend
+from chainsyncer.driver import (
+        HeadSyncer,
+        HistorySyncer,
+        )
+from chainsyncer.db.models.base import SessionBase
+
+# local imports
+from cic_eth.registry import init_registry
+from cic_eth.eth import RpcClient
+from cic_eth.db import Otx
+from cic_eth.db import TxConvertTransfer
+from cic_eth.db.models.tx import TxCache
+from cic_eth.db.enum import StatusEnum
+from cic_eth.db import dsn_from_config
+from cic_eth.queue.tx import get_paused_txs
+#from cic_eth.sync import Syncer
+#from cic_eth.sync.error import LoopDone
+from cic_eth.db.error import UnknownConvertError
+from cic_eth.eth.util import unpack_signed_raw_tx
+from cic_eth.eth.task import create_check_gas_and_send_task
+from cic_eth.eth.token import unpack_transfer
+from cic_eth.eth.token import unpack_transferfrom
+from cic_eth.eth.account import unpack_gift
+from cic_eth.runnable.daemons.filters import (
+        CallbackFilter,
+        GasFilter,
+        TxFilter,
+        RegistrationFilter,
+        TransferAuthFilter,
+        )
+
+script_dir = os.path.realpath(os.path.dirname(__file__))
+
+logg = cic_base.log.create()
+argparser = cic_base.argparse.create(script_dir, cic_base.argparse.full_template)
+#argparser = cic_base.argparse.add(argparser, add_traffic_args, 'traffic')
+args = cic_base.argparse.parse(argparser, logg)
+config = cic_base.config.create(args.c, args, args.env_prefix)
+
+config.add(args.y, '_KEYSTORE_FILE', True)
+
+config.add(args.q, '_CELERY_QUEUE', True)
+
+cic_base.config.log(config)
+
+
+dsn = dsn_from_config(config)
+SessionBase.connect(dsn, pool_size=1, debug=config.true('DATABASE_DEBUG'))
+
+
+def main():
+    # parse chain spec object
+    chain_spec = ChainSpec.from_chain_str(config.get('CIC_CHAIN_SPEC'))
+            
+    # connect to celery
+    celery.Celery(broker=config.get('CELERY_BROKER_URL'), backend=config.get('CELERY_RESULT_URL'))
+
+    # set up registry
+    w3 = cic_base.rpc.create(config.get('ETH_PROVIDER')) # replace with HTTPConnection when registry has been so refactored
+    registry = init_registry(config, w3)
+
+    # Connect to blockchain with chainlib
+    conn = HTTPConnection(config.get('ETH_PROVIDER'))
+
+    o = block_latest()
+    r = conn.do(o)
+    block_offset = int(strip_0x(r), 16) + 1
+
+    logg.debug('starting at block {}'.format(block_offset))
+
+    syncers = []
+
+    #if SyncerBackend.first(chain_spec):
+    #    backend = SyncerBackend.initial(chain_spec, block_offset)
+    syncer_backends = SyncerBackend.resume(chain_spec, block_offset)
+
+    if len(syncer_backends) == 0:
+        logg.info('found no backends to resume')
+        syncer_backends.append(SyncerBackend.initial(chain_spec, block_offset))
+    else:
+        for syncer_backend in syncer_backends:
+            logg.info('resuming sync session {}'.format(syncer_backend))
+
+    syncer_backends.append(SyncerBackend.live(chain_spec, block_offset+1))
+
+    for syncer_backend in syncer_backends:
+        try:
+            syncers.append(HistorySyncer(syncer_backend))
+            logg.info('Initializing HISTORY syncer on backend {}'.format(syncer_backend))
+        except AttributeError:
+            logg.info('Initializing HEAD syncer on backend {}'.format(syncer_backend))
+            syncers.append(HeadSyncer(syncer_backend))
+
+    trusted_addresses_src = config.get('CIC_TRUST_ADDRESS')
+    if trusted_addresses_src == None:
+        logg.critical('At least one trusted address must be declared in CIC_TRUST_ADDRESS')
+        sys.exit(1)
+    trusted_addresses = trusted_addresses_src.split(',')
+    for address in trusted_addresses:
+        logg.info('using trusted address {}'.format(address))
+    CallbackFilter.trusted_addresses = trusted_addresses
+
+    callback_filters = []
+    for cb in config.get('TASKS_TRANSFER_CALLBACKS', '').split(','):
+        task_split = cb.split(':')
+        task_queue = config.get('_CELERY_QUEUE')
+        if len(task_split) > 1:
+            task_queue = task_split[0]
+        callback_filter = CallbackFilter(chain_spec, task_split[1], task_queue)
+        callback_filters.append(callback_filter)
+
+    tx_filter = TxFilter(chain_spec, config.get('_CELERY_QUEUE'))
+
+    registration_filter = RegistrationFilter(chain_spec, config.get('_CELERY_QUEUE'))
+
+    gas_filter = GasFilter(chain_spec, config.get('_CELERY_QUEUE'))
+
+    transfer_auth_filter = TransferAuthFilter(registry, chain_spec, config.get('_CELERY_QUEUE'))
+
+    i = 0
+    for syncer in syncers:
+        logg.debug('running syncer index {}'.format(i))
+        syncer.add_filter(gas_filter)
+        syncer.add_filter(registration_filter)
+        # TODO: the two following filter functions break the filter loop if return uuid. Pro: less code executed. Con: Possibly unintuitive flow break
+        syncer.add_filter(tx_filter)
+        syncer.add_filter(transfer_auth_filter)
+        for cf in callback_filters:
+            syncer.add_filter(cf)
+
+        r = syncer.loop(int(config.get('SYNCER_LOOP_INTERVAL')), conn)
+        sys.stderr.write("sync {} done at block {}\n".format(syncer, r))
+
+        i += 1
+
+    sys.exit(0)
+
+
+if __name__ == '__main__':
+    main()

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

@@ -18,12 +18,16 @@ import web3
 from cic_registry import CICRegistry
 from cic_registry.chain import ChainSpec
 from cic_registry.chain import ChainRegistry
+from hexathon import add_0x
 
 # local imports
 from cic_eth.api import AdminApi
 from cic_eth.eth.rpc import RpcClient
-from cic_eth.db.enum import StatusEnum
-from cic_eth.db.enum import LockEnum
+from cic_eth.db.enum import (
+    StatusEnum,
+    status_str,
+    LockEnum,
+)
 
 logging.basicConfig(level=logging.WARNING)
 logg = logging.getLogger()
@@ -36,9 +40,10 @@ default_abi_dir = '/usr/share/local/cic/solidity/abi'
 default_config_dir = os.path.join('/usr/local/etc/cic-eth')
 
 argparser = argparse.ArgumentParser()
-argparser.add_argument('-p', '--provider', dest='p', default='http://localhost:8545', type=str, help='Web3 provider url (http only)')
-argparser.add_argument('-r', '--registry-address', type=str, help='CIC registry address')
+argparser.add_argument('-p', '--provider', dest='p', type=str, help='Web3 provider url (http only)')
+argparser.add_argument('-r', '--registry-address', dest='r', type=str, help='CIC registry address')
 argparser.add_argument('-f', '--format', dest='f', default='terminal', type=str, help='Output format')
+argparser.add_argument('--status-raw', dest='status_raw', action='store_true', help='Output statis bit enum names only')
 argparser.add_argument('-c', type=str, default=default_config_dir, help='config root to use')
 argparser.add_argument('-i', '--chain-spec', dest='i', type=str, help='chain spec')
 argparser.add_argument('-q', type=str, default='cic-eth', help='celery queue to submit transaction tasks to')
@@ -61,12 +66,16 @@ config.process()
 args_override = {
         'ETH_PROVIDER': getattr(args, 'p'),
         'CIC_CHAIN_SPEC': getattr(args, 'i'),
+        'CIC_REGISTRY_ADDRESS': getattr(args, 'r'),
         }
 # override args
+config.dict_override(args_override, 'cli args')
 config.censor('PASSWORD', 'DATABASE')
 config.censor('PASSWORD', 'SSL')
 logg.debug('config loaded from {}:\n{}'.format(config_dir, config))
 
+config.add(add_0x(args.query), '_QUERY', True)
+
 re_websocket = re.compile('^wss?://')
 re_http = re.compile('^https?://')
 blockchain_provider = config.get('ETH_PROVIDER')
@@ -114,7 +123,7 @@ def render_tx(o, **kwargs):
     
     for v in o.get('status_log', []):
         d = datetime.datetime.fromisoformat(v[0])
-        e = StatusEnum(v[1]).name
+        e = status_str(v[1], args.status_raw)
         content += '{}: {}\n'.format(d, e)
 
     return content
@@ -148,21 +157,20 @@ def render_lock(o, **kwargs):
 
 # TODO: move each command to submodule
 def main():
-    logg.debug('len {}'.format(len(args.query)))
     txs  = []
     renderer = render_tx
-    if len(args.query) > 66:
-        txs = [admin_api.tx(chain_spec, tx_raw=args.query)]
-    elif len(args.query) > 42:
-        txs = [admin_api.tx(chain_spec, tx_hash=args.query)]
-    elif len(args.query) == 42:
-        txs = admin_api.account(chain_spec, args.query, include_recipient=False)
+    if len(config.get('_QUERY')) > 66:
+        txs = [admin_api.tx(chain_spec, tx_raw=config.get('_QUERY'))]
+    elif len(config.get('_QUERY')) > 42:
+        txs = [admin_api.tx(chain_spec, tx_hash=config.get('_QUERY'))]
+    elif len(config.get('_QUERY')) == 42:
+        txs = admin_api.account(chain_spec, config.get('_QUERY'), include_recipient=False)
         renderer = render_account
-    elif len(args.query) >= 4 and args.query[:4] == 'lock':
+    elif len(config.get('_QUERY')) >= 4 and config.get('_QUERY')[:4] == 'lock':
         txs = admin_api.get_lock()
         renderer = render_lock
     else:
-        raise ValueError('cannot parse argument {}'.format(args.query))
+        raise ValueError('cannot parse argument {}'.format(config.get('_QUERY')))
 
     if len(txs) == 0:
         logg.info('no matches found')

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
@@ -98,7 +100,10 @@ class MinedSyncer(Syncer):
             logg.debug('got blocks {}'.format(e))
             for block in e:
                 block_number = self.process(c.w3, block.hex())
-                logg.info('processed block {} {}'.format(block_number, block.hex()))
+                logg.debug('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/sync/retry.py

@@ -9,7 +9,10 @@ import celery
 # local imports
 from .base import Syncer
 from cic_eth.eth.rpc import RpcClient
-from cic_eth.db.enum import StatusEnum
+from cic_eth.db.enum import (
+        StatusEnum,
+        StatusBits,
+        )
 from cic_eth.queue.tx import get_status_tx
 
 logg = logging.getLogger()
@@ -47,7 +50,8 @@ class RetrySyncer(Syncer):
 #                    )
             before = datetime.datetime.utcnow() - datetime.timedelta(seconds=self.stalled_grace_seconds)
             stalled_txs = get_status_tx(
-                    StatusEnum.SENT.value,
+                    StatusBits.IN_NETWORK.value,
+                    not_status=StatusBits.FINAL | StatusBits.MANUAL | StatusBits.OBSOLETE,
                     before=before,
                     )
        #     return list(failed_txs.keys()) + list(stalled_txs.keys())

apps/cic-eth/cic_eth/task.py

@@ -0,0 +1,33 @@
+# import
+import requests
+
+# external imports
+import celery
+import sqlalchemy
+
+
+class CriticalTask(celery.Task):
+    retry_jitter = True
+    retry_backoff = True
+    retry_backoff_max = 8
+
+
+class CriticalSQLAlchemyTask(CriticalTask):
+    autoretry_for = (
+        sqlalchemy.exc.DatabaseError,
+        sqlalchemy.exc.TimeoutError,
+        ) 
+
+
+class CriticalWeb3Task(CriticalTask):
+    autoretry_for = (
+        requests.exceptions.ConnectionError,
+        )
+
+
+class CriticalSQLAlchemyAndWeb3Task(CriticalTask):
+    autoretry_for = (
+        sqlalchemy.exc.DatabaseError,
+        sqlalchemy.exc.TimeoutError,
+        requests.exceptions.ConnectionError,
+        )

apps/cic-eth/cic_eth/version.py

@@ -10,7 +10,7 @@ version = (
         0,
         10,
         0,
-        'alpha.27',
+        'alpha.39',
         )
 
 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=0

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

apps/cic-eth/docker/Dockerfile

@@ -16,7 +16,7 @@ ARG root_requirement_file='requirements.txt'
 #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
+	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}"
@@ -42,7 +42,6 @@ COPY cic-eth/config/ /usr/local/etc/cic-eth/
 COPY cic-eth/cic_eth/db/migrations/ /usr/local/share/cic-eth/alembic/
 COPY cic-eth/crypto_dev_signer_config/ /usr/local/etc/crypto-dev-signer/
 
-RUN apt-get install -y git && \
-	git clone https://gitlab.com/grassrootseconomics/cic-contracts.git && \
+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

apps/cic-eth/docker/start_manager.sh

@@ -1,5 +0,0 @@
-#!/bin/bash
-
-. ./db.sh
-
-/usr/local/bin/cic-eth-managerd $@

apps/cic-eth/docker/start_tasker.sh

@@ -6,7 +6,7 @@ set -e
 # set CONFINI_ENV_PREFIX to override the env prefix to override env vars
 
 echo "!!! starting signer"
-python /usr/local/bin/crypto-dev-daemon -vv -c /usr/local/etc/crypto-dev-signer &
+python /usr/local/bin/crypto-dev-daemon -c /usr/local/etc/crypto-dev-signer &
 
 echo "!!! starting tracker"
 /usr/local/bin/cic-eth-taskerd $@

apps/cic-eth/docker/start_tracker.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+. ./db.sh
+
+/usr/local/bin/cic-eth-trackerd $@

apps/cic-eth/requirements.txt

@@ -1,15 +1,16 @@
+cic-base~=0.1.1a10
 web3==5.12.2
 celery==4.4.7
-crypto-dev-signer~=0.4.13rc2
-confini~=0.3.6b1
-cic-registry~=0.5.3a18
+crypto-dev-signer~=0.4.13rc4
+confini~=0.3.6rc3
+cic-registry~=0.5.3a22
 cic-bancor~=0.0.6
 redis==3.5.3
 alembic==1.4.2
 websockets==8.1
 requests~=2.24.0
-eth_accounts_index~=0.0.10a7
-erc20-approval-escrow~=0.3.0a5
+eth_accounts_index~=0.0.10a10
+erc20-transfer-authorization~=0.3.0a10
 erc20-single-shot-faucet~=0.2.0a6
 rlp==2.0.1
 uWSGI==2.0.19.1
@@ -18,5 +19,6 @@ eth-gas-proxy==0.0.1a4
 websocket-client==0.57.0
 moolb~=0.1.1b2
 eth-address-index~=0.1.0a8
-chainlib~=0.0.1a12
+chainlib~=0.0.1a20
 hexathon~=0.0.1a3
+chainsyncer~=0.0.1a19

apps/cic-eth/setup.cfg

@@ -45,7 +45,7 @@ scripts =
 console_scripts =
 	# daemons
 	cic-eth-taskerd = cic_eth.runnable.daemons.tasker:main
-	cic-eth-managerd = cic_eth.runnable.daemons.manager:main
+	cic-eth-trackerd = cic_eth.runnable.daemons.tracker:main
 	cic-eth-dispatcherd = cic_eth.runnable.daemons.dispatcher:main
 	cic-eth-retrierd = cic_eth.runnable.daemons.retry:main
 	# tools	

apps/cic-eth/tests/fixtures_celery.py

@@ -13,13 +13,13 @@ def celery_includes():
     return [
         'cic_eth.eth.bancor',
         'cic_eth.eth.token',
-        'cic_eth.eth.request',
         'cic_eth.eth.tx',
         'cic_eth.ext.tx',
         'cic_eth.queue.tx',
         'cic_eth.queue.balance',
         'cic_eth.admin.ctrl',
         'cic_eth.admin.nonce',
+        'cic_eth.admin.debug',
         'cic_eth.eth.account',
         'cic_eth.callbacks.noop',
         'cic_eth.callbacks.http',

apps/cic-eth/tests/fixtures_database.py

@@ -27,7 +27,7 @@ def database_engine(
         SessionBase.poolable = False
     dsn = dsn_from_config(load_config)
     #SessionBase.connect(dsn, True)
-    SessionBase.connect(dsn, load_config.get('DATABASE_DEBUG') != None)
+    SessionBase.connect(dsn, debug=load_config.get('DATABASE_DEBUG') != None)
     return dsn
 
 

apps/cic-eth/tests/fixtures_web3.py

@@ -15,6 +15,7 @@ from eth_keys import KeyAPI
 from cic_eth.eth import RpcClient
 from cic_eth.eth.rpc import GasOracle
 from cic_eth.db.models.role import AccountRole
+from cic_eth.db.models.nonce import Nonce
 
 #logg = logging.getLogger(__name__)
 logg = logging.getLogger()
@@ -113,11 +114,17 @@ def init_w3_conn(
 
 @pytest.fixture(scope='function')
 def init_w3(
+        init_database,
         init_eth_tester,
         init_eth_account_roles,
         init_w3_conn,
         ):
 
+    for address in init_w3_conn.eth.accounts:
+        nonce = init_w3_conn.eth.getTransactionCount(address, 'pending')
+        Nonce.init(address, nonce=nonce, session=init_database)
+        init_database.commit()
+
     yield init_w3_conn
     logg.debug('mining om nom nom... {}'.format(init_eth_tester.mine_block()))
 
@@ -128,9 +135,10 @@ def init_eth_account_roles(
     w3_account_roles,
         ):
 
-    role = AccountRole.set('GAS_GIFTER', w3_account_roles.get('eth_account_gas_provider'))
+    address = w3_account_roles.get('eth_account_gas_provider')
+    role = AccountRole.set('GAS_GIFTER', address)
     init_database.add(role)
-    init_database.commit()
+
     return w3_account_roles
 
 
@@ -163,7 +171,6 @@ def w3_account_roles(
 
     role_ids = [
         'eth_account_bancor_deployer',
-        'eth_account_gas_provider',
         'eth_account_reserve_owner',
         'eth_account_reserve_minter',
         'eth_account_accounts_index_owner',
@@ -172,6 +179,7 @@ def w3_account_roles(
         'eth_account_sarafu_gifter',
         'eth_account_approval_owner',
         'eth_account_faucet_owner',
+        'eth_account_gas_provider',
     ]
     roles = {}
 
@@ -187,6 +195,7 @@ def w3_account_roles(
 
     return roles
 
+
 @pytest.fixture(scope='session')
 def w3_account_token_owners(
     tokens_to_deploy,

apps/cic-eth/tests/functional/test_admin.py

@@ -10,6 +10,8 @@ import web3
 # local imports
 from cic_eth.api import AdminApi
 from cic_eth.db.models.role import AccountRole
+from cic_eth.db.models.otx import Otx
+from cic_eth.db.models.tx import TxCache
 from cic_eth.db.enum import (
         StatusEnum,
         StatusBits,
@@ -39,18 +41,37 @@ def test_resend_inplace(
     c = RpcClient(default_chain_spec)
     
     sigs = []
-    s = celery.signature(
-        'cic_eth.eth.tx.refill_gas',
+
+    gas_provider = c.gas_provider()
+
+    s_nonce = celery.signature(
+        'cic_eth.eth.tx.reserve_nonce',
         [
             init_w3.eth.accounts[0],
+            gas_provider,
+            ],
+        queue=None,
+        )
+    s_refill = celery.signature(
+        'cic_eth.eth.tx.refill_gas',
+        [
             chain_str,
             ],
         queue=None,
             )
-    t = s.apply_async()
-    tx_raw = t.get()
+    s_nonce.link(s_refill)
+    t = s_nonce.apply_async()
+    t.get()
+    for r in t.collect():
+        pass
     assert t.successful()
 
+    q = init_database.query(Otx)
+    q = q.join(TxCache)
+    q = q.filter(TxCache.recipient==init_w3.eth.accounts[0])
+    o = q.first()
+    tx_raw = o.signed_tx
+
     tx_dict = unpack_signed_raw_tx(bytes.fromhex(tx_raw[2:]), default_chain_spec.chain_id())
     gas_price_before = tx_dict['gasPrice'] 
 

apps/cic-eth/tests/functional/test_app.py

@@ -49,28 +49,7 @@ def test_transfer_api(
     assert t.successful()
 
 
-def test_transfer_approval_api(
-        default_chain_spec,
-        init_w3,
-        cic_registry,
-        init_database,
-        bancor_registry,
-        bancor_tokens,
-        transfer_approval,
-        celery_session_worker,
-        ):
-
-    token = CICRegistry.get_address(default_chain_spec, bancor_tokens[0])
-    approval_contract = CICRegistry.get_contract(default_chain_spec, 'TransferApproval')
-
-    api = Api(str(default_chain_spec), callback_param='transfer_request', callback_task='cic_eth.callbacks.noop.noop', queue=None)
-    t = api.transfer_request(init_w3.eth.accounts[2], init_w3.eth.accounts[4], approval_contract.address(), 111, token.symbol())
-    t.get()
-    #for r in t.collect():
-    #    print(r)
-    assert t.successful()
-
-
+@pytest.mark.skip()
 def test_convert_api(
         default_chain_spec,
         init_w3,
@@ -91,6 +70,7 @@ def test_convert_api(
     assert t.successful()
 
 
+@pytest.mark.skip()
 def test_convert_transfer_api(
         default_chain_spec,
         init_w3,

apps/cic-eth/tests/functional/test_list.py

@@ -9,6 +9,10 @@ from tests.mock.filter import (
         block_filter,
         tx_filter,
         )
+from cic_eth.db.models.nonce import (
+        Nonce,
+        NonceReservation,
+        )
 
 
 logg = logging.getLogger()
@@ -28,9 +32,20 @@ def test_list_tx(
 
     tx_hashes = []
     # external tx
+    nonce = init_w3.eth.getTransactionCount(init_w3.eth.accounts[0])
+    q = init_database.query(Nonce)
+    q = q.filter(Nonce.address_hex==init_w3.eth.accounts[0])
+    o = q.first()
+    o.nonce = nonce
+    init_database.add(o)
+    init_database.commit()
+
+    NonceReservation.next(init_w3.eth.accounts[0], 'foo', session=init_database)
+    init_database.commit()
+
     init_eth_tester.mine_blocks(13)
     txf = TokenTxFactory(init_w3.eth.accounts[0], init_rpc)
-    tx = txf.transfer(dummy_token_gifted, init_w3.eth.accounts[1], 3000, default_chain_spec)
+    tx = txf.transfer(dummy_token_gifted, init_w3.eth.accounts[1], 3000, default_chain_spec, 'foo')
     (tx_hash_hex, tx_signed_raw_hex) = sign_tx(tx, str(default_chain_spec))
     tx_hashes.append(tx_hash_hex)
     init_w3.eth.sendRawTransaction(tx_signed_raw_hex)
@@ -42,9 +57,12 @@ def test_list_tx(
     tx_filter.add(a.to_bytes(4, 'big'))
 
     # external tx
+    NonceReservation.next(init_w3.eth.accounts[0], 'bar', session=init_database)
+    init_database.commit()
+
     init_eth_tester.mine_blocks(28)
     txf = TokenTxFactory(init_w3.eth.accounts[0], init_rpc)
-    tx = txf.transfer(dummy_token_gifted, init_w3.eth.accounts[1], 4000, default_chain_spec)
+    tx = txf.transfer(dummy_token_gifted, init_w3.eth.accounts[1], 4000, default_chain_spec, 'bar')
     (tx_hash_hex, tx_signed_raw_hex) = sign_tx(tx, str(default_chain_spec))
     tx_hashes.append(tx_hash_hex)
     init_w3.eth.sendRawTransaction(tx_signed_raw_hex)
@@ -56,10 +74,13 @@ def test_list_tx(
     tx_filter.add(a.to_bytes(4, 'big'))
 
     # custodial tx
+    #NonceReservation.next(init_w3.eth.accounts[0], 'blinky', session=init_database)
+    #init_database.commit()
+
     init_eth_tester.mine_blocks(3)
-    txf = TokenTxFactory(init_w3.eth.accounts[0], init_rpc)
+    #txf = TokenTxFactory(init_w3.eth.accounts[0], init_rpc)
     api = Api(str(default_chain_spec), queue=None)
-    t = api.transfer(init_w3.eth.accounts[0], init_w3.eth.accounts[1], 1000, 'DUM')
+    t = api.transfer(init_w3.eth.accounts[0], init_w3.eth.accounts[1], 1000, 'DUM') #, 'blinky')
     t.get()
     tx_hash_hex = None
     for c in t.collect():
@@ -68,9 +89,11 @@ def test_list_tx(
     tx_hashes.append(tx_hash_hex)
 
     # custodial tx
+    #NonceReservation.next(init_w3.eth.accounts[0], 'clyde', session=init_database)
+    init_database.commit()
     init_eth_tester.mine_blocks(6)
     api = Api(str(default_chain_spec), queue=None)
-    t = api.transfer(init_w3.eth.accounts[0], init_w3.eth.accounts[1], 2000, 'DUM')
+    t = api.transfer(init_w3.eth.accounts[0], init_w3.eth.accounts[1], 2000, 'DUM') #, 'clyde')
     t.get()
     tx_hash_hex = None
     for c in t.collect():

apps/cic-eth/tests/tasks/test_account.py

@@ -64,6 +64,7 @@ def test_register_account(
         init_database,
         init_eth_tester,
         init_w3,
+        init_rpc,
         cic_registry,
         celery_session_worker,
         eth_empty_accounts,
@@ -71,18 +72,27 @@ def test_register_account(
 
     logg.debug('chainspec {}'.format(str(default_chain_spec)))
 
-    s = celery.signature(
-            'cic_eth.eth.account.register',
+    s_nonce = celery.signature(
+            'cic_eth.eth.tx.reserve_nonce',
             [
                 eth_empty_accounts[0],
+                init_w3.eth.accounts[0],
+                ],
+            queue=None,
+            )
+    s_register = celery.signature(
+            'cic_eth.eth.account.register',
+            [
                 str(default_chain_spec),
                 init_w3.eth.accounts[0],
                 ],
             )
-    t = s.apply_async()
+    s_nonce.link(s_register)
+    t = s_nonce.apply_async()
     address = t.get()
-    r = t.collect()
-    t.successful()
+    for r in t.collect():
+        pass
+    assert t.successful()
 
     session = SessionBase.create_session()
     o = session.query(Otx).first()

apps/cic-eth/tests/tasks/test_balance_complex.py

@@ -8,6 +8,7 @@ import celery
 # local imports
 from cic_eth.eth.rpc import RpcClient
 from cic_eth.db.models.otx import Otx
+from cic_eth.db.models.nonce import Nonce
 from cic_eth.eth.util import unpack_signed_raw_tx
 
 #logg = logging.getLogger(__name__)
@@ -31,18 +32,38 @@ def test_balance_complex(
             }
 
     tx_hashes = []
+
+    # TODO: Temporary workaround for nonce db cache initialization being made before deployments.
+    # Instead use different accounts than system ones for transfers for tests 
+    nonce = init_w3.eth.getTransactionCount(init_w3.eth.accounts[0])
+    q = init_database.query(Nonce)
+    q = q.filter(Nonce.address_hex==init_w3.eth.accounts[0])
+    o = q.first()
+    o.nonce = nonce
+    init_database.add(o)
+    init_database.commit()
+ 
     for i in range(3):
-        s = celery.signature(
-                'cic_eth.eth.token.transfer',
+        s_nonce = celery.signature(
+                'cic_eth.eth.tx.reserve_nonce',
                 [
                     [token_data],
+                    init_w3.eth.accounts[0],
+                    ],
+                queue=None,
+                )
+        s_transfer = celery.signature(
+                'cic_eth.eth.token.transfer',
+                [
                     init_w3.eth.accounts[0],
                     init_w3.eth.accounts[1],
                     1000*(i+1),
                     chain_str,
                     ],
+                queue=None,
         )
-        t = s.apply_async()
+        s_nonce.link(s_transfer)
+        t = s_nonce.apply_async()
         t.get()
         r = None
         for c in t.collect():

apps/cic-eth/tests/tasks/test_convert.py

@@ -1,14 +1,19 @@
+# standard imports
 import logging
 import os
 
+# external imports
+import pytest
 import celery
 
+# local imports
 from cic_eth.db import TxConvertTransfer
 from cic_eth.eth.bancor import BancorTxFactory
 
 logg = logging.getLogger()
 
 
+@pytest.mark.skip()
 def test_transfer_after_convert(
         init_w3,
         init_database,

apps/cic-eth/tests/tasks/test_debug.py

@@ -0,0 +1,29 @@
+# external imports
+import celery
+
+# local imports
+from cic_eth.db.models.debug import Debug
+
+
+def test_debug_alert(
+        init_database,
+        celery_session_worker,
+        ):
+
+    s = celery.signature(
+            'cic_eth.admin.debug.alert',
+            [
+                'foo',
+                'bar',
+                'baz',
+                ],
+            queue=None,
+            )
+    t = s.apply_async()
+    r = t.get()
+    assert r == 'foo'
+
+    q = init_database.query(Debug)
+    q = q.filter(Debug.tag=='bar')
+    o = q.first()
+    assert o.description == 'baz'

apps/cic-eth/tests/tasks/test_debug_task.py

@@ -0,0 +1,29 @@
+# external imports
+import celery
+
+# local imports
+from cic_eth.db.models.debug import Debug
+
+
+def test_debug_alert(
+        init_database,
+        celery_session_worker,
+        ):
+
+    s = celery.signature(
+            'cic_eth.admin.debug.alert',
+            [
+                'foo',
+                'bar',
+                'baz',
+                ],
+            queue=None,
+            )
+    t = s.apply_async()
+    r = t.get()
+    assert r == 'foo'
+
+    q = init_database.query(Debug)
+    q = q.filter(Debug.tag=='bar')
+    o = q.first()
+    assert o.description == 'baz'

apps/cic-eth/tests/tasks/test_faucet.py

@@ -10,6 +10,9 @@ import celery
 from cic_eth.eth.account import unpack_gift
 from cic_eth.eth.factory import TxFactory
 from cic_eth.eth.util import unpack_signed_raw_tx
+from cic_eth.db.models.nonce import Nonce
+from cic_eth.db.models.otx import Otx
+from cic_eth.db.models.tx import TxCache
 
 logg = logging.getLogger()
 
@@ -32,10 +35,16 @@ def test_faucet(
     init_database,
         ):
 
-    s = celery.signature(
+    s_nonce = celery.signature(
+            'cic_eth.eth.tx.reserve_nonce',
+            [
+                init_w3.eth.accounts[7],
+                ],
+            queue=None,
+            )
+    s_gift = celery.signature(
         'cic_eth.eth.account.gift',
         [
-            init_w3.eth.accounts[7],
             str(default_chain_spec),
             ],
             )     
@@ -45,15 +54,21 @@ def test_faucet(
             str(default_chain_spec),
             ],
         )
-    s.link(s_send)
-    t = s.apply_async()
-    signed_tx = t.get()
+    s_gift.link(s_send)
+    s_nonce.link(s_gift)
+    t = s_nonce.apply_async()
+    t.get()
     for r in t.collect():
         logg.debug('result {}'.format(r))
-
     assert t.successful()
 
-    tx = unpack_signed_raw_tx(bytes.fromhex(signed_tx[0][2:]), default_chain_spec.chain_id())
+    q = init_database.query(Otx)
+    q = q.join(TxCache)
+    q = q.filter(TxCache.sender==init_w3.eth.accounts[7])
+    o = q.first()
+    signed_tx = o.signed_tx
+
+    tx = unpack_signed_raw_tx(bytes.fromhex(signed_tx[2:]), default_chain_spec.chain_id())
     giveto = unpack_gift(tx['data'])
     assert giveto['to'] == init_w3.eth.accounts[7]
 

apps/cic-eth/tests/tasks/test_gas_tasks.py

@@ -30,6 +30,7 @@ def test_refill_gas(
     default_chain_spec,
     init_eth_tester,
     init_rpc,
+    init_w3,
     init_database,
     cic_registry,
     init_eth_account_roles,
@@ -37,30 +38,46 @@ def test_refill_gas(
     eth_empty_accounts,
         ):
 
-    provider_address = AccountRole.get_address('GAS_GIFTER')
+    provider_address = AccountRole.get_address('GAS_GIFTER', init_database)
     receiver_address = eth_empty_accounts[0]
 
     c = init_rpc
     refill_amount = c.refill_amount()
 
     balance = init_rpc.w3.eth.getBalance(receiver_address)
-    s = celery.signature(
+    s_nonce = celery.signature(
+            'cic_eth.eth.tx.reserve_nonce',
+            [
+                eth_empty_accounts[0],
+                provider_address,
+                ],
+            queue=None,
+            )
+    s_refill = celery.signature(
             'cic_eth.eth.tx.refill_gas',
             [
-                receiver_address,
                 str(default_chain_spec),
             ],
+            queue=None,
             )
 
-    t = s.apply_async()
+    s_nonce.link(s_refill)
+    t = s_nonce.apply_async()
     r = t.get()
-    t.collect()
+    for c in t.collect():
+        pass
     assert t.successful()
 
+    q = init_database.query(Otx)
+    q = q.join(TxCache)
+    q = q.filter(TxCache.recipient==receiver_address)
+    o = q.first()
+    signed_tx = o.signed_tx
+
     s = celery.signature(
             'cic_eth.eth.tx.send',
             [
-                [r],
+                [signed_tx],
                 str(default_chain_spec),
             ],
             )
@@ -74,11 +91,11 @@ def test_refill_gas(
     assert balance_new == (balance + refill_amount)
 
     # Verify that entry is added in TxCache
-    session = SessionBase.create_session()
-    q = session.query(Otx)
+    q = init_database.query(Otx)
     q = q.join(TxCache)
     q = q.filter(TxCache.recipient==receiver_address)
     r = q.first()
+    init_database.commit()
     
     assert r.status == StatusEnum.SENT
 
@@ -86,6 +103,7 @@ def test_refill_gas(
 def test_refill_deduplication(
     default_chain_spec,
     init_rpc,
+    init_w3,
     init_database,
     init_eth_account_roles,
     cic_registry,
@@ -93,89 +111,137 @@ def test_refill_deduplication(
     eth_empty_accounts,
         ):
 
-    provider_address = AccountRole.get_address('ETH_GAS_PROVIDER_ADDRESS')
+    provider_address = AccountRole.get_address('ETH_GAS_PROVIDER_ADDRESS', init_database)
     receiver_address = eth_empty_accounts[0]
 
     c = init_rpc
     refill_amount = c.refill_amount()
 
-    s = celery.signature(
-            'cic_eth.eth.tx.refill_gas',
+    s_nonce = celery.signature(
+            'cic_eth.eth.tx.reserve_nonce',
             [
                 receiver_address,
+                provider_address,
+                ],
+            queue=None,
+            )
+    s_refill = celery.signature(
+            'cic_eth.eth.tx.refill_gas',
+            [
                 str(default_chain_spec),
             ],
+            queue=None,
             )
 
-    t = s.apply_async()
+    s_nonce.link(s_refill)
+    t = s_nonce.apply_async()
     r = t.get()
     for e in t.collect():
         pass
     assert t.successful()
 
-    s = celery.signature(
-            'cic_eth.eth.tx.refill_gas',
+    s_nonce = celery.signature(
+            'cic_eth.eth.tx.reserve_nonce',
             [
                 receiver_address,
-                str(default_chain_spec),
+                provider_address,
                 ],
+            queue=None,
             )
-
-    t = s.apply_async()
-    with pytest.raises(AlreadyFillingGasError):
-        t.get()
-
-
-def test_check_gas(
-    default_chain_spec,
-    init_eth_tester,
-    init_w3,
-    init_rpc,
-    eth_empty_accounts,
-    init_database,
-    cic_registry,
-    celery_session_worker,
-    bancor_registry,
-    bancor_tokens,
-        ):
-
-    provider_address = init_w3.eth.accounts[0]
-    gas_receiver_address = eth_empty_accounts[0]
-    token_receiver_address = init_w3.eth.accounts[1]
-    
-    c = init_rpc
-    txf = TokenTxFactory(gas_receiver_address, c)
-    tx_transfer = txf.transfer(bancor_tokens[0], token_receiver_address, 42, default_chain_spec)
-
-    (tx_hash_hex, tx_signed_raw_hex) = sign_and_register_tx(tx_transfer, str(default_chain_spec), None)
-    
-    gas_price = c.gas_price()
-    gas_limit = tx_transfer['gas']
-
-    s = celery.signature(
-            'cic_eth.eth.tx.check_gas',
+    s_refill = celery.signature(
+            'cic_eth.eth.tx.refill_gas',
             [
-                [tx_hash_hex],
                 str(default_chain_spec),
-                [],
-                gas_receiver_address,
-                gas_limit * gas_price,
                 ],
             )
-    t = s.apply_async()
-    with pytest.raises(OutOfGasError):
-        r = t.get()
-    #assert len(r) == 0
 
-    time.sleep(1)
-    t.collect()
+    s_nonce.link(s_refill)
+    t = s_nonce.apply_async()
+    #with pytest.raises(AlreadyFillingGasError):
+    t.get()
+    for e in t.collect():
+        pass
+    assert t.successful()
+    logg.warning('TODO: complete test by checking that second tx had zero value')
 
-    session = SessionBase.create_session()
-    q = session.query(Otx)
-    q = q.filter(Otx.tx_hash==tx_hash_hex)
-    r = q.first()
-    session.close()
-    assert r.status == StatusEnum.WAITFORGAS
+
+# TODO: check gas is part of the transfer chain, and we cannot create the transfer nonce by uuid before the task. Test is subsumed by transfer task test, but should be tested in isolation
+#def test_check_gas(
+#    default_chain_spec,
+#    init_eth_tester,
+#    init_w3,
+#    init_rpc,
+#    eth_empty_accounts,
+#    init_database,
+#    cic_registry,
+#    celery_session_worker,
+#    bancor_registry,
+#    bancor_tokens,
+#        ):
+#
+#    provider_address = init_w3.eth.accounts[0]
+#    gas_receiver_address = eth_empty_accounts[0]
+#    token_receiver_address = init_w3.eth.accounts[1]
+#    
+##    c = init_rpc
+##    txf = TokenTxFactory(gas_receiver_address, c)
+##    tx_transfer = txf.transfer(bancor_tokens[0], token_receiver_address, 42, default_chain_spec, 'foo')
+##
+##    (tx_hash_hex, tx_signed_raw_hex) = sign_and_register_tx(tx_transfer, str(default_chain_spec), None)
+#
+#    token_data = [
+#                    {
+#                        'address': bancor_tokens[0],
+#                        },
+#                    ]
+#
+#    s_nonce = celery.signature(
+#            'cic_eth.eth.tx.reserve_nonce',
+#            [
+#                token_data,
+#                init_w3.eth.accounts[0],
+#                ],
+#            queue=None,
+#            )
+#    s_transfer = celery.signature(
+#            'cic_eth.eth.token.transfer',
+#            [
+#                init_w3.eth.accounts[0],
+#                init_w3.eth.accounts[1],
+#                1024,
+#                str(default_chain_spec),
+#                ],
+#            queue=None,
+#            )
+#
+#    gas_price = c.gas_price()
+#    gas_limit = tx_transfer['gas']
+#
+#    s = celery.signature(
+#            'cic_eth.eth.tx.check_gas',
+#            [
+#                [tx_hash_hex],
+#                str(default_chain_spec),
+#                [],
+#                gas_receiver_address,
+#                gas_limit * gas_price,
+#                ],
+#            )
+#    s_nonce.link(s_transfer)
+#    t = s_nonce.apply_async()
+#    with pytest.raises(OutOfGasError):
+#        r = t.get()
+#    #assert len(r) == 0
+#
+#    time.sleep(1)
+#    t.collect()
+#
+#    session = SessionBase.create_session()
+#    q = session.query(Otx)
+#    q = q.filter(Otx.tx_hash==tx_hash_hex)
+#    r = q.first()
+#    session.close()
+#    assert r.status == StatusEnum.WAITFORGAS
 
 
 def test_resend_with_higher_gas(
@@ -191,39 +257,73 @@ def test_resend_with_higher_gas(
     ):
 
     c = init_rpc
-    txf = TokenTxFactory(init_w3.eth.accounts[0], c)
 
-    tx_transfer = txf.transfer(bancor_tokens[0], init_w3.eth.accounts[1], 1024, default_chain_spec)
-    logg.debug('txtransfer {}'.format(tx_transfer))
-    (tx_hash_hex, tx_signed_raw_hex) = sign_tx(tx_transfer, str(default_chain_spec))
-    logg.debug('signed raw {}'.format(tx_signed_raw_hex))
-    queue_create(
-        tx_transfer['nonce'],
-        tx_transfer['from'],
-        tx_hash_hex,
-        tx_signed_raw_hex,
-        str(default_chain_spec),
+    token_data = {
+                'address': bancor_tokens[0],
+                }
+
+    s_nonce = celery.signature(
+            'cic_eth.eth.tx.reserve_nonce',
+            [
+                [token_data],
+                init_w3.eth.accounts[0],
+                ],
+            queue=None,
             )
-    logg.debug('create {}'.format(tx_transfer['from']))
-    cache_transfer_data(
-        tx_hash_hex,
-        tx_transfer, #_signed_raw_hex,
+    s_transfer = celery.signature(
+            'cic_eth.eth.token.transfer',
+            [
+                init_w3.eth.accounts[0],
+                init_w3.eth.accounts[1],
+                1024,
+                str(default_chain_spec),
+                ],
+            queue=None,
             )
 
+#    txf = TokenTxFactory(init_w3.eth.accounts[0], c)
+
+#    tx_transfer = txf.transfer(bancor_tokens[0], init_w3.eth.accounts[1], 1024, default_chain_spec, 'foo')
+#    logg.debug('txtransfer {}'.format(tx_transfer))
+#    (tx_hash_hex, tx_signed_raw_hex) = sign_tx(tx_transfer, str(default_chain_spec))
+#    logg.debug('signed raw {}'.format(tx_signed_raw_hex))
+#    queue_create(
+#        tx_transfer['nonce'],
+#        tx_transfer['from'],
+#        tx_hash_hex,
+#        tx_signed_raw_hex,
+#        str(default_chain_spec),
+#            )
+#    logg.debug('create {}'.format(tx_transfer['from']))
+#    cache_transfer_data(
+#        tx_hash_hex,
+#        tx_transfer, #_signed_raw_hex,
+#            )
+    s_nonce.link(s_transfer)
+    t = s_nonce.apply_async()
+    t.get()
+    for r in t.collect():
+        pass
+    assert t.successful()
+
+    q = init_database.query(Otx)
+    q = q.join(TxCache)
+    q = q.filter(TxCache.recipient==init_w3.eth.accounts[1])
+    o = q.first()
+    tx_hash_hex = o.tx_hash
+
     s_resend = celery.signature(
             'cic_eth.eth.tx.resend_with_higher_gas',
             [
                 tx_hash_hex,
                 str(default_chain_spec),
             ],
+            queue=None,
             )
-    t = s_resend.apply_async()
-
-    i = 0
-    for r in t.collect():
-        logg.debug('{} {}'.format(i, r[0].get()))
-        i += 1 
     
+    t = s_resend.apply_async()
+    for r in t.collect():
+        pass
     assert t.successful()
 
 #

apps/cic-eth/tests/tasks/test_nonce_tasks.py

@@ -1,4 +1,5 @@
 # third-party imports
+import pytest
 import celery
 
 # local imports
@@ -6,7 +7,92 @@ from cic_eth.admin.nonce import shift_nonce
 from cic_eth.queue.tx import create as queue_create
 from cic_eth.eth.tx import otx_cache_parse_tx
 from cic_eth.eth.task import sign_tx
+from cic_eth.db.models.nonce import (
+        NonceReservation,
+        Nonce
+        )
+from cic_eth.db.models.otx import Otx
+from cic_eth.db.models.tx import TxCache
 
+
+@pytest.mark.skip()
+def test_reserve_nonce_task(
+        init_database,
+        celery_session_worker,
+        eth_empty_accounts,
+        ):
+
+    s = celery.signature(
+            'cic_eth.eth.tx.reserve_nonce',
+            [
+                'foo',
+                eth_empty_accounts[0],
+                ],
+            queue=None,
+        )
+    t = s.apply_async()
+    r = t.get()
+
+    assert r == 'foo'
+
+    q = init_database.query(Nonce)
+    q = q.filter(Nonce.address_hex==eth_empty_accounts[0])
+    o = q.first()
+    assert o != None
+
+    q = init_database.query(NonceReservation)
+    q = q.filter(NonceReservation.key==str(t))
+    o = q.first()
+    assert o != None
+
+
+def test_reserve_nonce_chain(
+        default_chain_spec,
+        init_database,
+        celery_session_worker,
+        init_w3,
+        init_rpc,
+        ):
+
+    provider_address = init_rpc.gas_provider()
+    q = init_database.query(Nonce)
+    q = q.filter(Nonce.address_hex==provider_address)
+    o = q.first()
+    o.nonce = 42
+    init_database.add(o)
+    init_database.commit()
+
+    s_nonce = celery.signature(
+            'cic_eth.eth.tx.reserve_nonce',
+            [
+                init_w3.eth.accounts[0],
+                provider_address,
+                ],
+            queue=None,
+            )
+    s_gas = celery.signature(
+            'cic_eth.eth.tx.refill_gas',
+            [
+                str(default_chain_spec),
+                ],
+            queue=None,
+            )
+    s_nonce.link(s_gas)
+    t = s_nonce.apply_async()
+    r = t.get()
+    for c in t.collect():
+        pass
+    assert t.successful()
+
+    q = init_database.query(Otx)
+    Q = q.join(TxCache)
+    q = q.filter(TxCache.recipient==init_w3.eth.accounts[0])
+    o = q.first()
+
+    assert o.nonce == 42
+
+
+@pytest.mark.skip()
 def test_shift_nonce(
     default_chain_spec,
     init_database,
@@ -47,3 +133,4 @@ def test_shift_nonce(
     for _ in t.collect():
         pass
     assert t.successful()
+

apps/cic-eth/tests/tasks/test_states.py

@@ -27,14 +27,14 @@ def test_states_initial(
     tx = {
         'from': init_w3.eth.accounts[0],
         'to': init_w3.eth.accounts[1],
-        'nonce': 42,
+        'nonce': 13,
         'gas': 21000,
         'gasPrice': 1000000,
         'value': 128,
-        'chainId': 666,
+        'chainId': 42,
         'data': '',
         }
-    (tx_hash_hex, tx_raw_signed_hex) = sign_and_register_tx(tx, 'Foo:666', None)
+    (tx_hash_hex, tx_raw_signed_hex) = sign_and_register_tx(tx, 'foo:bar:42', None)
 
     otx = init_database.query(Otx).filter(Otx.tx_hash==tx_hash_hex).first()
     assert otx.status == StatusEnum.PENDING.value
@@ -43,7 +43,7 @@ def test_states_initial(
             'cic_eth.eth.tx.check_gas',
             [
                 [tx_hash_hex],
-                'Foo:666',
+                'foo:bar:42',
                 [tx_raw_signed_hex],
                 init_w3.eth.accounts[0],
                 8000000,
@@ -67,7 +67,7 @@ def test_states_initial(
             'cic_eth.eth.tx.check_gas',
             [
                 [tx_hash_hex],
-                'Foo:666',
+                'foo:bar:42',
                 [tx_raw_signed_hex],
                 init_w3.eth.accounts[0],
                 8000000,
@@ -94,14 +94,14 @@ def test_states_failed(
     tx = {
         'from': init_w3.eth.accounts[0],
         'to': init_w3.eth.accounts[1],
-        'nonce': 42,
+        'nonce': 13,
         'gas': 21000,
         'gasPrice': 1000000,
         'value': 128,
-        'chainId': 666,
+        'chainId': 42,
         'data': '',
         }
-    (tx_hash_hex, tx_raw_signed_hex) = sign_and_register_tx(tx, 'Foo:666', None)
+    (tx_hash_hex, tx_raw_signed_hex) = sign_and_register_tx(tx, 'foo:bar:42', None)
 
     otx = init_database.query(Otx).filter(Otx.tx_hash==tx_hash_hex).first()
     otx.sendfail(session=init_database)
@@ -112,7 +112,7 @@ def test_states_failed(
             'cic_eth.eth.tx.check_gas',
             [
                 [tx_hash_hex],
-                'Foo:666',
+                'foo:bar:42',
                 [tx_raw_signed_hex],
                 init_w3.eth.accounts[0],
                 8000000,

apps/cic-eth/tests/tasks/test_token_tasks.py

@@ -20,21 +20,30 @@ def test_approve(
         cic_registry,
         ):
 
-    s = celery.signature(
-            'cic_eth.eth.token.approve',
-            [
-                [
+    token_data = [
                     {
                         'address': bancor_tokens[0],
                     },
-                    ],
+                    ]
+    s_nonce = celery.signature(
+            'cic_eth.eth.tx.reserve_nonce',
+            [
+                token_data,
+                init_rpc.w3.eth.accounts[0],
+                ],
+            queue=None,
+            )
+    s_approve = celery.signature(
+            'cic_eth.eth.token.approve',
+            [
                 init_rpc.w3.eth.accounts[0],
                 init_rpc.w3.eth.accounts[1],
                 1024,
                 str(default_chain_spec),
                 ],
             )
-    t = s.apply_async()
+    s_nonce.link(s_approve)
+    t = s_nonce.apply_async()
     t.get()
     for r in t.collect():
         logg.debug('result {}'.format(r))

apps/cic-eth/tests/tasks/test_transfer_approval.py

@@ -1,76 +0,0 @@
-# standard imports
-import logging
-import time
-
-# third-party imports
-from erc20_approval_escrow import TransferApproval
-import celery
-import sha3
-
-# local imports
-from cic_eth.eth.token import TokenTxFactory
-
-logg = logging.getLogger()
-
-
-# BUG: transaction receipt only found sometimes
-def test_transfer_approval(
-    default_chain_spec,
-    transfer_approval,
-    bancor_tokens,
-    w3_account_roles,
-    eth_empty_accounts,
-    cic_registry,
-    init_database,
-    celery_session_worker,
-    init_eth_tester,
-    init_w3,
-        ):
-
-    s = celery.signature(
-            'cic_eth.eth.request.transfer_approval_request',
-            [
-                [
-                    {
-                        'address': bancor_tokens[0],
-                        },
-                    ],
-                w3_account_roles['eth_account_sarafu_owner'],
-                eth_empty_accounts[0],
-                1024,
-                str(default_chain_spec),
-                ],
-         )
-
-    s_send = celery.signature(
-            'cic_eth.eth.tx.send',
-            [
-                str(default_chain_spec),
-                ],
-            
-            )
-    s.link(s_send)
-    t = s.apply_async()
-
-    tx_signed_raws = t.get()
-    for r in t.collect():
-        logg.debug('result {}'.format(r))
-
-    assert t.successful()
-
-    init_eth_tester.mine_block()
-
-    h = sha3.keccak_256()
-    tx_signed_raw = tx_signed_raws[0]
-    tx_signed_raw_bytes = bytes.fromhex(tx_signed_raw[2:])
-    h.update(tx_signed_raw_bytes)
-    tx_hash = h.digest()
-    rcpt = init_w3.eth.getTransactionReceipt(tx_hash)
-
-    assert rcpt.status == 1
-
-    a = TransferApproval(init_w3, transfer_approval)
-    assert a.last_serial() == 1
-
-    logg.debug('requests {}'.format(a.requests(1)['serial']))
-

apps/cic-eth/tests/unit/api/test_callback.py

@@ -67,7 +67,7 @@ def test_callback_tcp(
             logg.debug('recived {} '.format(data))
             o = json.loads(echo)
             try:
-                assert o == data
+                assert o['result'] == data
             except Exception as e:
                 self.exception = e
 
@@ -130,7 +130,7 @@ def test_callback_redis(
             o = json.loads(echo['data'])
             logg.debug('recived {} '.format(o))
             try:
-                assert o == data
+                assert o['result'] == data
             except Exception as e:
                 self.exception = e
 

apps/cic-eth/tests/unit/db/test_debug.py

@@ -0,0 +1,16 @@
+# local imports
+from cic_eth.db.models.debug import Debug
+
+
+def test_debug(
+        init_database,
+        ):
+
+    o = Debug('foo', 'bar')
+    init_database.add(o)
+    init_database.commit()
+
+    q = init_database.query(Debug)
+    q = q.filter(Debug.tag=='foo')
+    o = q.first()
+    assert o.description == 'bar'

apps/cic-eth/tests/unit/db/test_nonce_db.py

@@ -1,8 +1,29 @@
 # third-party imports
 import pytest
+import uuid
 
 # local imports
-from cic_eth.db.models.nonce import Nonce
+from cic_eth.db.models.nonce import (
+        Nonce,
+        NonceReservation,
+        )
+from cic_eth.error import (
+        InitializationError,
+        IntegrityError,
+        )
+
+
+def test_nonce_init(
+        init_database,
+        eth_empty_accounts,
+        ):
+
+    nonce = Nonce.init(eth_empty_accounts[0], 42, session=init_database)
+    init_database.commit()
+
+    with pytest.raises(InitializationError):
+        nonce = Nonce.init(eth_empty_accounts[0], 42, session=init_database)
+
 
 def test_nonce_increment(
         init_database,
@@ -10,11 +31,46 @@ def test_nonce_increment(
         database_engine,
         ):
 
-#    if database_engine[:6] == 'sqlite':
-#        pytest.skip('sqlite cannot lock tables which is required for this test, skipping')
-
     nonce = Nonce.next(eth_empty_accounts[0], 3)
     assert nonce == 3
 
     nonce = Nonce.next(eth_empty_accounts[0], 3)
     assert nonce == 4
+
+
+def test_nonce_reserve(
+        init_database,
+        eth_empty_accounts,
+    ):
+   
+    nonce = Nonce.init(eth_empty_accounts[0], 42, session=init_database)
+    init_database.commit()
+    uu = uuid.uuid4()
+    nonce = NonceReservation.next(eth_empty_accounts[0], str(uu), session=init_database)
+    init_database.commit()
+    assert nonce == 42
+
+    q = init_database.query(Nonce)
+    q = q.filter(Nonce.address_hex==eth_empty_accounts[0])
+    o = q.first()
+    assert o.nonce == 43
+
+    nonce = NonceReservation.release(str(uu))
+    init_database.commit()
+    assert nonce == 42
+
+    q = init_database.query(NonceReservation)
+    q = q.filter(NonceReservation.key==str(uu))
+    o = q.first()
+    assert o == None
+
+
+def test_nonce_reserve_integrity(
+        init_database,
+        eth_empty_accounts,
+        ):
+
+    uu = uuid.uuid4()
+    nonce = Nonce.init(eth_empty_accounts[0], 42, session=init_database)
+    with pytest.raises(IntegrityError):
+        NonceReservation.release(str(uu))

apps/cic-eth/tests/unit/db/test_role.py

@@ -9,18 +9,18 @@ def test_db_role(
     foo = AccountRole.set('foo', eth_empty_accounts[0])
     init_database.add(foo)
     init_database.commit()
-    assert AccountRole.get_address('foo') == eth_empty_accounts[0]
+    assert AccountRole.get_address('foo', init_database) == eth_empty_accounts[0]
 
     bar = AccountRole.set('bar', eth_empty_accounts[1])
     init_database.add(bar)
     init_database.commit()
-    assert AccountRole.get_address('bar') == eth_empty_accounts[1]
+    assert AccountRole.get_address('bar', init_database) == eth_empty_accounts[1]
 
     foo = AccountRole.set('foo', eth_empty_accounts[2])
     init_database.add(foo)
     init_database.commit()
-    assert AccountRole.get_address('foo') == eth_empty_accounts[2]
-    assert AccountRole.get_address('bar') == eth_empty_accounts[1]
+    assert AccountRole.get_address('foo', init_database) == eth_empty_accounts[2]
+    assert AccountRole.get_address('bar', init_database) == eth_empty_accounts[1]
 
     tag = AccountRole.role_for(eth_empty_accounts[2])
     assert tag == 'foo'

apps/cic-eth/tests/unit/db/test_tx.py

@@ -26,7 +26,7 @@ def test_set(
                 'data': '',
                 'chainId': 1,
                 }
-        (tx_hash, tx_signed) = sign_tx(tx_def, 'Foo:1')
+        (tx_hash, tx_signed) = sign_tx(tx_def, 'foo:bar:1')
         otx = Otx(
             tx_def['nonce'],
             tx_def['from'],
@@ -82,7 +82,7 @@ def test_clone(
                 'data': '',
                 'chainId': 1,
                 }
-        (tx_hash, tx_signed) = sign_tx(tx_def, 'Foo:1')
+        (tx_hash, tx_signed) = sign_tx(tx_def, 'foo:bar:1')
         otx = Otx(
             tx_def['nonce'],
             tx_def['from'],

apps/cic-eth/tests/unit/eth/test_bancor.py

@@ -17,6 +17,7 @@ from cic_eth.db.models.tx import TxCache
 logg = logging.getLogger()
 
 
+@pytest.mark.skip()
 def test_resolve_converters_by_tokens(
         cic_registry,
         init_w3,
@@ -43,6 +44,7 @@ def test_resolve_converters_by_tokens(
         assert len(t['converters']) == 1
 
         
+@pytest.mark.skip()
 def test_unpack_convert(
     default_chain_spec,
     cic_registry,
@@ -84,6 +86,7 @@ def test_unpack_convert(
     assert convert_data['fee'] == 0
 
 
+@pytest.mark.skip()
 def test_queue_cache_convert(
         default_chain_spec,
         init_w3,

apps/cic-eth/tests/unit/eth/test_nonce.py

@@ -1,51 +0,0 @@
-# standard imports
-import logging
-
-# local imports
-from cic_eth.eth.nonce import NonceOracle
-
-logg = logging.getLogger()
-
-
-def test_nonce_sequence(
-        eth_empty_accounts,
-        init_database,
-        init_rpc,
-        ):
-
-    account= init_rpc.w3.eth.personal.new_account('')
-    no = NonceOracle(account, 0)
-    n = no.next()
-    assert n == 0
-
-    n = no.next()
-    assert n == 1
-
-    init_rpc.w3.eth.sendTransaction({
-        'from': init_rpc.w3.eth.accounts[0],
-        'to': account,
-        'value': 200000000,
-        })
-    init_rpc.w3.eth.sendTransaction({
-        'from': account,
-        'to': eth_empty_accounts[0],
-        'value': 100,
-        })
-
-    c = init_rpc.w3.eth.getTransactionCount(account, 'pending')
-    logg.debug('nonce {}'.format(c))
-
-    account= init_rpc.w3.eth.personal.new_account('')
-    no = NonceOracle(account, c)
-
-    n = no.next()
-    assert n == 1
-
-    n = no.next()
-    assert n == 2
-
-    # try with bogus value
-    no = NonceOracle(account, 4) 
-    n = no.next()
-    assert n == 3
-