[WIP] Support for comment payout virtual ops

hive/indexer/blocks.py

hive/indexer/posts.py

hive/indexer/sync.py

hive/server/bridge_api/methods.py

hive/server/condenser_api/methods.py

hive/server/database_api/methods.py

hive/steem/client.py

hive/steem/http_client.py

hive/utils/normalize.py

hive/utils/stats.py