Bump `brokers.toml`, update ib and deribit sections

For `[ib]` adjust content to match changes to the
`dockering/ib/README.rst` and for `[deribit]` toss in the WIP options
related params for anyone who wants to play around with @nt's work.

config/brokers.toml

@@ -1,6 +1,5 @@
-################
 # ---- CEXY ----
-################
+
 [binance]
 accounts.paper = 'paper'
 
@@ -13,28 +12,41 @@ accounts.spot = 'spot'
 spot.use_testnet = false
 spot.api_key = ''
 spot.api_secret = ''
+# ------ binance ------
 
 
 [deribit]
+# std assets
 key_id = ''
 key_secret = ''
+# options
+accounts.option = 'option'
+option.use_testnet = false
+option.key_id = ''
+option.key_secret = ''
+# aux logging from `cryptofeed`
+option.log.filename = 'cryptofeed.log'
+option.log.level = 'DEBUG'
+option.log.disabled = true
+# ------ deribit ------
 
 
 [kraken]
 key_descr = ''
 api_key = ''
 secret = ''
+# ------ kraken ------
 
 
 [kucoin]
 key_id = ''
 key_secret = ''
 key_passphrase = ''
+# ------ kucoin ------
 
 
-################
 # -- BROKERZ ---
-################
+
 [questrade]
 refresh_token = ''
 access_token = ''
@@ -42,44 +54,55 @@ api_server = 'https://api06.iq.questrade.com/'
 expires_in = 1800
 token_type = 'Bearer'
 expires_at = 1616095326.355846
+# ------ questrade ------
 
 
 [ib]
+# define the (set of) host-port socketaddrs that
+# brokerd.ib will scan to connect to an API endpoint
+# (ib-gw or ib-tws listening instances)
 hosts = [
     '127.0.0.1',
 ]
-# XXX: the order in which ports will be scanned
-# (by the `brokerd` daemon-actor)
-# is determined # by the line order here.
-# TODO: when we eventually spawn gateways in our
-# container, we can just dynamically allocate these
-# using IBC.
 ports = [
     4002,  # gw
     7497,  # tws
 ]
 
-# XXX: for a paper account the flex web query service
-# is not supported so you have to manually download
-# and XML report and put it in a location that can be
-# accessed by the ``brokerd.ib`` backend code for parsing.
-flex_token = ''
-flex_trades_query_id = ''  # live account
-
-# when clients are being scanned this determines
-# which clients are preferred to be used for data
-# feeds based on the order of account names, if
-# detected as active on an API client.
+# When API endpoints are being scanned durin startup, the order
+# of user-defined-account "names" (as defined below) here
+# determines which py-client connection is given priority to be
+# used for data-feed-requests by according to whichever client
+# connected to an API endpoing which reported the equivalent
+# account number for that name.
 prefer_data_account = [
     'paper',
     'margin',
     'ira',
 ]
 
+# For long-term trades txn (transaction) history
+# processing (i.e your txn ledger with IB) you can
+# (automatically for live accounts) query the FLEX
+# report system for past history.
+#
+# (For paper accounts the web query service
+# is not supported so you have to manually download
+# an XML report and put it in a location that can be
+# accessed by our `brokerd.ib` backend code for parsing).
+#
+flex_token = ''
+flex_trades_query_id = ''  # live account
+
+# define "aliases" (names) for each account number
+# such that the names can be reffed and logged throughout
+# `piker.accounting` subsys and more easily
+# referred to  by the user.
+#
+# These keys will be the set exposed through the order-mode
+# account-selection UI so that numbers are never shown.
 [ib.accounts]
-# the order in which accounts will be selectable
-# in the order mode UI (if found via clients during
-# API-app scanning)when a new symbol is loaded.
-paper = 'XX0000000'
-margin = 'X0000000'
-ira = 'X0000000'
+paper = 'DU0000000'  # <- literal account #
+margin = 'U0000000'
+ira = 'U0000000'
+# ------ ib ------