Version 0.23.0

• Updated: updated dependencies, notably web3==5.31.0
• Updated: no longer use unlocked node to handle transactions, request nonce directly from node (mainly useful for TL e2e tests)

Version 0.22.0

• Updated: dropped support for websocket connection to the blockchain node. It was not working due to a conflict in between the concurrency library used by web3's websocket and gevent.
• Fixed: get mediation fees endpoint no longer crashing due to network migration events.

Version 0.21.0

• Updated: Add transfer argument to schema for TrustlineUpdateRequest events corresponding to change
  in CurrencyNetworkV2 contract
• Updated: Remove interests with a value of 0 for endpoint to query list of accrued / paid interests (BREAKING)

Version 0.20.3

• Updated: Make relay exit when greenlet for graph sync dies.
• Fixed: Only publish most recent events on websocket for trustline update and network balance update.
  This fixes a bug that stopped the updating of the currency network graph in certain situations.
• Fixed: Relay crash on logging with insufficient parameters.

Version 0.20.2

Fixed: No longer publish events for balance changes from filter for BalanceUpdates and TrustlineUpdates Now uses graph updates from ethindex to publish information

Version 0.20.1

• Fixed: Correclty fetch the is_frozen status of currency networks at start up. previously, networks where start unfrozen by default and synced further.

Version 0.20.0

• Updated: Use ethindex to update is_frozen status of network graphs instead of filters
  requires ethindex>=0.3.5

Version 0.19.0

• Changed: Update major dependencies, notably web3 version 5.9.0

• Changed: add filtering by contract type to user events endpoint
  /users/:user/events?type=:type&fromBlock=:fromBlock&contractType:=contractType

• Changed: Update internal trustlines graph using graphfeed table populated by the ethindex.
  requires py-eth-index version 0.3.4

• Changed: No longer fully sync the graph every full_sync_interval seconds.
  This should be unnecessary as we rely on the indexer to sync the graph and it is reorg safe.

• Removed: support for config keys relay.updateNetworksInterval and relay.update_indexed_networks_interval

• Removed: deprecated config trustline_index.full_sync_interval which is unused.

• Added: endpoint for getting mediation fees earned by user
  /networks/:network/users/:user/mediation-fees?startTime=:timestamp&endTime=:timestamp

• Added: endpoint to get debt of user in all currency networks GET /users/:userAddress/debts

• Added: endpoint to get total transferred sum between users in time window
  GET /networks/:network/users/:sender/transferredSums/:receiver?startTime=:timestamp&endTime=:timestamp

• Added: Config key config.trustline_index.sync_interval the time in seconds in between two fetch fetch
  of graph updates from the database graphfeed

Version 0.18.0

Fixed: error handling for firebase when client token is not found

Version 0.17.1

• Added: TrustlineRequestCancel push notification support