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tai
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A composable, real time, market data and trade execution toolkit
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lib/tai.ex
defmodule Tai do
use Application
def start(_type, _args) do
# TODO:
# ex_poloniex won't need to resolve env on boot when
# the venue adapters support per account configuration
Confex.resolve_env!(:ex_poloniex)
Confex.resolve_env!(:tai)
config = Tai.Config.parse()
settings = Tai.Settings.from_config(config)
children = [
Tai.PubSub,
{Tai.Events, config.event_registry_partitions},
Tai.EventsLogger,
{Tai.Settings, settings},
Tai.Trading.PositionStore,
Tai.Trading.OrderStore,
Tai.Venues.ProductStore,
Tai.Venues.FeeStore,
Tai.Venues.AssetBalances,
Tai.Venues.OrderBookFeedsSupervisor,
Tai.Venues.StreamsSupervisor,
{Task.Supervisor, name: Tai.TaskSupervisor, restart: :transient},
Tai.AdvisorsSupervisor
]
{:ok, pid} = Supervisor.start_link(children, strategy: :one_for_one, name: Tai.Supervisor)
config |> boot_venues!()
config |> boot_advisor_groups!()
{:ok, pid}
end
defp boot_venues!(config) do
config
|> Tai.Venues.Config.parse_adapters()
|> Enum.map(fn {_, adapter} ->
task =
Task.Supervisor.async(
Tai.TaskSupervisor,
Tai.Venues.Boot,
:run,
[adapter],
timeout: adapter.timeout
)
{task, adapter}
end)
|> Enum.map(fn {task, adapter} -> Task.await(task, adapter.timeout) end)
|> Enum.each(&config.venue_boot_handler.parse_response/1)
end
defp boot_advisor_groups!(config) do
config
|> Tai.Advisors.specs(start_on_boot: true)
|> Tai.Advisors.start()
end
end