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Update documentation structure, add links to migration page

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Matthias
2022-03-31 06:53:33 +02:00
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docs/strategy_migration.md
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# Strategy Migration between V2 and V3
We have put a great effort into keeping compatibility with existing strategies, so if you just want to continue using freqtrade in spot markets, there should be no changes necessary for now.
To support new markets and trade-types (namely short trades / trades with leverage), some things had to change in the interface.
If you intend on using markets other than spot markets, please migrate your strategy to the new format.
We have put a great effort into keeping compatibility with existing strategies, so if you just want to continue using freqtrade in __spot markets__, there should be no changes necessary for now.
You can use the quick summary as checklist. Please refer to the detailed sections below for full migration details.
## Quick summary / migration checklist
* Strategy methods:
* `populate_buy_trend()` -> `populate_entry_trend()`
* `populate_sell_trend()` -> `populate_exit_trend()`
* `custom_sell()` -> `custom_exit()`
* `check_buy_timeout()` -> `check_entry_timeout()`
* `check_sell_timeout()` -> `check_exit_timeout()`
* [`populate_buy_trend()` -> `populate_entry_trend()`](#populate_buy_trend)
* [`populate_sell_trend()` -> `populate_exit_trend()`](#populate_sell_trend)
* [`custom_sell()` -> `custom_exit()`](#custom_sell)
* [`check_buy_timeout()` -> `check_entry_timeout()`](#custom_entry_timeout)
* [`check_sell_timeout()` -> `check_exit_timeout()`](#custom_entry_timeout)
* New `side` argument to callbacks without trade object
* [`custom_stake_amount`](#custom-stake-amount)
* [`confirm_trade_entry`](#confirm_trade_entry)
* [Changed argument name in `confirm_trade_exit`](#confirm_trade_exit)
* Dataframe columns:
* `buy` -> `enter_long`
* `sell` -> `exit_long`
* `buy_tag` -> `enter_tag` (used for both long and short trades)
* New column `enter_short` and corresponding new column `exit_short`
* [`buy` -> `enter_long`](#populate_buy_trend)
* [`sell` -> `exit_long`](#populate_sell_trend)
* [`buy_tag` -> `enter_tag` (used for both long and short trades)](#populate_buy_trend)
* [New column `enter_short` and corresponding new column `exit_short`](#populate_sell_trend)
* trade-object now has the following new properties: `is_short`, `enter_side`, `exit_side` and `trade_direction`.
* New `side` argument to callbacks without trade object
* `custom_stake_amount`
* `confirm_trade_entry`
* Changed argument name in `confirm_trade_exit`
* Renamed `trade.nr_of_successful_buys` to `trade.nr_of_successful_entries` (mostly relevant for `adjust_trade_position()`).
* [Renamed `trade.nr_of_successful_buys` to `trade.nr_of_successful_entries` (mostly relevant for `adjust_trade_position()`)](#adjust-trade-position-changes)
* Introduced new [`leverage` callback](strategy-callbacks.md#leverage-callback).
* Informative pairs can now pass a 3rd element in the Tuple, defining the candle type.
* `@informative` decorator now takes an optional `candle_type` argument.
* helper methods `stoploss_from_open` and `stoploss_from_absolute` now take `is_short` as additional argument.
* [helper methods](#helper-methods) `stoploss_from_open` and `stoploss_from_absolute` now take `is_short` as additional argument.
* `INTERFACE_VERSION` should be set to 3.
* Strategy/Configuration settings.
* [Strategy/Configuration settings](#strategyconfiguration-settings).
* `order_time_in_force` buy -> entry, sell -> exit.
* `order_types` buy -> entry, sell -> exit.
* `unfilledtimeout` buy -> entry, sell -> exit.
@@ -339,7 +341,7 @@ unfilledtimeout = {
Order pricing changed in 2 ways. `bid_strategy` was renamed to `entry_strategy` and `ask_strategy` was renamed to `exit_strategy`.
The attributes `ask_last_balance` -> `price_last_balance` and `bid_last_balance` -> `price_last_balance` were renamed as well.
Also, price-side can now be defined as `ask`, `bid`, `same` or `other`.
Please refer to the [pricing documentation](configuration.md) for more information.
Please refer to the [pricing documentation](configuration.md#prices-used-for-orders) for more information.
``` json hl_lines="2-3 6 12-13 16"
{