refactor: extract shared order handler factory, deduplicate 8 order.ts files

Created src/exchanges/order-handlers.ts with createOrderHandlers() factory.
All 8 exchange order.ts files now use config-driven delegation instead of
duplicated ~80-line implementations. Shared applyCommonFields() logic
consolidated into the factory module.
This commit is contained in:
discountry
2026-04-06 18:24:42 +08:00
parent bc29b23027
commit d799cf79c2
9 changed files with 279 additions and 730 deletions
+19 -90
View File
@@ -1,93 +1,22 @@
import type { Order, CreateOrderParams } from "../types";
import type {
BaseOrderIntent,
ClosePositionIntent,
LimitOrderIntent,
MarketOrderIntent,
StopOrderIntent,
TrailingStopOrderIntent,
} from "../order-schema";
import { toStringBoolean } from "../order-schema";
import { createOrderHandlers } from "../order-handlers";
function applyCommonFields(params: CreateOrderParams, intent: BaseOrderIntent): CreateOrderParams {
if (params.quantity === undefined) {
params.quantity = intent.quantity;
}
if (params.timeInForce === undefined && intent.timeInForce) {
params.timeInForce = intent.timeInForce;
}
if (intent.reduceOnly !== undefined) {
params.reduceOnly = toStringBoolean(intent.reduceOnly);
}
if (intent.closePosition !== undefined) {
params.closePosition = toStringBoolean(intent.closePosition);
}
return params;
}
const handlers = createOrderHandlers({
exchangeName: "Lighter",
defaultLimitTimeInForce: "GTC",
defaultMarketTimeInForce: "IOC",
defaultCloseTimeInForce: "IOC",
supportsTrailingStop: false,
supportsTriggerType: false,
stopDefaultReduceOnly: true,
stopDefaultClosePosition: true,
closeDefaultClosePosition: true,
});
export async function createLimitOrder(intent: LimitOrderIntent): Promise<Order> {
const params: CreateOrderParams = applyCommonFields(
{
symbol: intent.symbol,
side: intent.side,
type: "LIMIT",
quantity: intent.quantity,
price: intent.price,
timeInForce: intent.timeInForce ?? "GTC",
},
intent
);
return intent.adapter.createOrder(params);
}
export async function createMarketOrder(intent: MarketOrderIntent): Promise<Order> {
const params: CreateOrderParams = applyCommonFields(
{
symbol: intent.symbol,
side: intent.side,
type: "MARKET",
quantity: intent.quantity,
timeInForce: intent.timeInForce ?? "IOC",
},
intent
);
return intent.adapter.createOrder(params);
}
export async function createStopOrder(intent: StopOrderIntent): Promise<Order> {
const params: CreateOrderParams = applyCommonFields(
{
symbol: intent.symbol,
side: intent.side,
type: "STOP_MARKET",
quantity: intent.quantity,
stopPrice: intent.stopPrice,
timeInForce: intent.timeInForce ?? "GTC",
reduceOnly: toStringBoolean(intent.reduceOnly ?? true),
closePosition: toStringBoolean(intent.closePosition ?? true),
},
intent
);
return intent.adapter.createOrder(params);
}
export async function createTrailingStopOrder(_intent: TrailingStopOrderIntent): Promise<Order> {
throw new Error("Lighter exchange does not support trailing stop orders");
}
export async function createClosePositionOrder(intent: ClosePositionIntent): Promise<Order> {
const params: CreateOrderParams = applyCommonFields(
{
symbol: intent.symbol,
side: intent.side,
type: "MARKET",
quantity: intent.quantity,
reduceOnly: "true",
closePosition: toStringBoolean(intent.closePosition ?? true),
timeInForce: intent.timeInForce ?? "IOC",
},
intent
);
return intent.adapter.createOrder(params);
}
export const {
createLimitOrder,
createMarketOrder,
createStopOrder,
createTrailingStopOrder,
createClosePositionOrder,
} = handlers;