ExchangeUniverse#

tradingstrategy.exchange.ExchangeUniverse Python class in Trading Strategy framework.

class ExchangeUniverse[source]#

Bases: object

Exchange manager.

Contains look up for exchanges by their internal primary key ids.

__init__(exchanges)#

Methods

`__init__`(exchanges)
`from_collection`(exchanges)	Create exchange universe from a collection of exchanges.
`from_dict`(kvs, *[, infer_missing])
`from_json`(s, *[, parse_float, parse_int, ...])
`get_by_chain_and_factory`(chain_id, ...)	Get the exchange implementation on a specific chain.
`get_by_chain_and_name`(chain_id, name)	Get the exchange implementation on a specific chain.
`get_by_chain_and_slug`(chain_id, slug)	Get the exchange implementation on a specific chain.
`get_by_id`(id)
`get_exchange_count`()
`get_single`()	Get the one and the only exchange in this universe.
`get_top_exchanges_by_30d_volume`()	Get top exchanges sorted by their 30d volume.
`schema`(*[, infer_missing, only, exclude, ...])
`to_dict`([encode_json])
`to_json`(*[, skipkeys, ensure_ascii, ...])

Attributes

Exchange id -> Exchange data mapping

static from_collection(exchanges)[source]#

Create exchange universe from a collection of exchanges.

get_top_exchanges_by_30d_volume()[source]#

Get top exchanges sorted by their 30d volume.

Note that we consider volume only for supported quote tokens. See tradingstrategy.exchange.Exchange for more details.

get_by_chain_and_name(chain_id, name)[source]#

Get the exchange implementation on a specific chain.

Parameters:

Raises:

ExchangeNotFoundError – If exchange is not found

Return type:

Optional[Exchange]

get_by_chain_and_slug(chain_id, slug)[source]#

Get the exchange implementation on a specific chain.

Parameters:

chain_id (ChainId) – Blockchain this exchange is on
slug (str) – Machine readable exchange name. Like uniswap-v2. Case sensitive.

Raises:

ExchangeNotFoundError – If exchange is not found

Return type:

Optional[Exchange]

get_by_chain_and_factory(chain_id, factory_address)[source]#

Get the exchange implementation on a specific chain.

Parameters:

chain_id (ChainId) – Blockchain this exchange is on
factory_address (str) – The smart contract address of the exchange factory

Return type:

Optional[Exchange]

get_single()[source]#

Get the one and the only exchange in this universe.

Returns:: The exchange
Raises:: AssertionError – in the case the universe does not contain a single exchange
Return type:: Exchange

__init__(exchanges)#