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feat(trade): add attached order (take-profit/stop-loss) support#549

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sunli829 wants to merge 8 commits into
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feat/attached-orders
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feat(trade): add attached order (take-profit/stop-loss) support#549
sunli829 wants to merge 8 commits into
mainfrom
feat/attached-orders

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@sunli829 sunli829 commented Jun 18, 2026

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Summary

  • Add attached order (take-profit / stop-loss) support across all language SDKs (Rust, Python, Node.js, Java, C, C++)

Added

  • New types: AttachedOrderType (ProfitTaker / StopLoss / Bracket), AttachedOrderDetail, SubmitAttachedParams, ReplaceAttachedParams
  • SubmitOrderOptions / ReplaceOrderOptions: new attached_params field
  • Order / OrderDetail: new attached_orders field
  • New order_detail_attached(order_id) method — queries detail for an attached sub-order by its own ID
  • GetTodayOrdersOptions: new is_attached flag — when combined with order_id, tells the server to treat order_id as an attached sub-order ID; returns that sub-order as an Order entry (not the parent)

Breaking changes

  • OrderDetail.charge_detail is now Option<OrderChargeDetail> — attached orders return null for this field; callers must handle the absent case
  • C SDK: lb_order_detail_t gains a new has_charge_detail: bool field before charge_detail; ABI changed, recompile required

Test plan

  • All 6 language SDKs tested end-to-end against openapi.longbridge.xyz
  • 6 parameter combinations: ProfitTaker only, StopLoss only, Bracket, Bracket with limit prices, Bracket with activate order type, Bracket with GTC time-in-force
  • is_attached semantics verified against live API

🤖 Generated with Claude Code

sunli829 added 4 commits June 16, 2026 18:18
Add attached order API support across all language SDKs based on
developers PR #1092.

New types:
- AttachedOrderType enum (ProfitTaker / StopLoss / Bracket)
- AttachedOrderDetail response struct
- SubmitAttachedParams / ReplaceAttachedParams request builders
- GetOrderDetailOptions (with is_attached flag)

API changes (non-breaking):
- Order / OrderDetail: new attached_orders field
- SubmitOrderOptions: new attached_params builder
- ReplaceOrderOptions: new attached_params builder
- GetTodayOrdersOptions: new is_attached() flag
- order_detail: accepts impl Into<GetOrderDetailOptions>
- New order_detail_attached method (Rust/Python/Node.js/Java/C/C++)
Bugs fixed:
- AttachedOrderType serialized as "Bracket" instead of "BRACKET" — switched
  from #[derive(Serialize)] to impl_serde_for_enum_string! to use strum Display
- SubmitOrderOptions.expire_date serialized as null when absent — added
  skip_serializing_if = "Option::is_none"
- AttachedOrderDetail.attached_type_display was i32, now AttachedOrderType
- AttachedOrderDetail.trigger_status was i32, now Option<TriggerStatus>
- AttachedOrderDetail.tag was i32, now OrderTag
- AttachedOrderDetail.executed_price was Decimal, now Option<Decimal>
- OrderDetail.charge_detail was non-optional, now Option<OrderChargeDetail>
  (C SDK: added has_charge_detail bool flag)
- Java SdkNative.tradeContextOrderDetailAttached missing public modifier

Add AttachedOrderType::Unknown variant across all language bindings.
Add submit_order_with_attached examples for all languages.
Update CLAUDE.md: python/pyproject.toml uses dynamic = ["version"].
sunli829 added 4 commits June 18, 2026 09:08
…nd GetOrderDetailOptions

is_attached=true indicates that the provided order_id is an attached
sub-order ID, not a regular order ID. It does not filter results to
show only attached orders.
is_attached=true only takes effect when combined with order_id.
It tells the server to treat order_id as an attached sub-order ID
for lookup. Without order_id it has no effect and does NOT filter
results to show only attached orders.
…rent

Based on actual API testing: today_orders(order_id=attached_id, is_attached=True)
returns the attached sub-order as an Order entry with its own order_id,
side, order_type etc — not the parent order.
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