Use hub exchange instances for calculator contract precision.
Load enabled instances from settings, fetch market info via /api/hub/market, and apply exchange-specific amount and price precision in trend and roll calculators. Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
dekun
@@ -831,7 +831,8 @@ class TrendCalculatorBody(BaseModel):
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add_upper: float = Field(gt=0)
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take_profit: float = Field(gt=0)
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dca_legs: int = Field(default=5, ge=1, le=20)
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contract_size: float = Field(default=1.0, gt=0)
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exchange_id: str = "0"
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base: str = "ETH"
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class RollAddLegBody(BaseModel):
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@@ -848,6 +849,25 @@ class RollCalculatorBody(BaseModel):
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take_profit: float = Field(gt=0)
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add_legs: list[RollAddLegBody] = Field(default_factory=list, max_length=3)
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legs_done: int = Field(default=0, ge=0, le=3)
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exchange_id: str = "0"
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base: str = "ETH"
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@app.get("/api/calculator/exchanges")
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def api_calculator_exchanges():
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from hub_calculator_market_lib import list_calculator_exchanges
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return {"ok": True, "data": list_calculator_exchanges()}
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@app.get("/api/calculator/market")
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def api_calculator_market(exchange_id: str = "0", base: str = "ETH"):
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from hub_calculator_market_lib import get_calculator_market
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data, err = get_calculator_market(exchange_id, base)
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if err:
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return JSONResponse({"ok": False, "msg": err}, status_code=400)
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return {"ok": True, "data": data}
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@app.post("/api/calculator/trend")
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@@ -864,7 +884,8 @@ def api_calculator_trend(body: TrendCalculatorBody):
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add_upper=body.add_upper,
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take_profit=body.take_profit,
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dca_legs=body.dca_legs,
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contract_size=body.contract_size,
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exchange_id=body.exchange_id,
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base=body.base,
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)
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if err:
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return JSONResponse({"ok": False, "msg": err}, status_code=400)
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@@ -884,6 +905,8 @@ def api_calculator_roll(body: RollCalculatorBody):
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take_profit=body.take_profit,
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add_legs=[leg.model_dump() for leg in body.add_legs],
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legs_done=body.legs_done,
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exchange_id=body.exchange_id,
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base=body.base,
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)
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if err:
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return JSONResponse({"ok": False, "msg": err}, status_code=400)
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@@ -6845,6 +6845,8 @@ body.funds-fullscreen-open {
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.calc-field input,
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.calc-field select {
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width: 100%;
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box-sizing: border-box;
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background: var(--bg-elevated);
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border: 1px solid var(--border);
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color: var(--text);
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@@ -6854,6 +6856,28 @@ body.funds-fullscreen-open {
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font-family: var(--mono);
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}
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.calc-field-span2 {
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grid-column: 1 / -1;
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}
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.calc-market-info {
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padding: 0.55rem 0.55rem 0.55rem 0.75rem;
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border-radius: 8px;
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background: rgba(255, 255, 255, 0.04);
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border: 1px solid rgba(255, 255, 255, 0.08);
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font-size: 0.82rem;
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line-height: 1.45;
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color: var(--muted, #9aa4b2);
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}
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.calc-market-info strong {
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color: var(--text, #e8ecf1);
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}
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.calc-market-err {
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color: #f87171;
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}
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.calc-actions {
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margin-top: 12px;
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}
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@@ -6,6 +6,8 @@
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if (!page) return;
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let inited = false;
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const marketCache = {};
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let calculatorExchanges = [];
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function $(id) {
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return document.getElementById(id);
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@@ -16,7 +18,7 @@
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">")
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.replace(/"/g, """);
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.replace(/\"/g, """);
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}
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function num(id) {
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@@ -26,6 +28,12 @@
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return Number.isFinite(n) ? n : null;
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}
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function text(id) {
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const el = $(id);
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if (!el) return "";
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return String(el.value || "").trim();
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}
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function fmt(v, digits) {
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if (v == null || v === "") return "—";
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const n = Number(v);
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@@ -47,16 +55,160 @@
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return n > 0 ? "calc-pnl-profit" : "calc-pnl-loss";
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}
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function decimalsFromMarket(data) {
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if (!data || !data.market) return { price: 4, amount: 4 };
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return {
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price: Number(data.market.price_decimals),
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amount: Number(data.market.amount_decimals),
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};
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}
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function fmtMarketInfo(market, err) {
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if (err) {
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return '<span class="calc-market-err">' + esc(err) + "</span>";
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}
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if (!market) return "—";
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const inst = market.exchange_name ? esc(market.exchange_name) + " · " : "";
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const parts = [
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inst + "<strong>" + esc(market.display_symbol || market.base || "") + "</strong> 永续",
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"合约 " + esc(market.exchange_symbol || ""),
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"乘数 " + fmt(market.contract_size, 8),
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"价格精度 " + fmt(market.price_tick != null ? market.price_tick : Math.pow(10, -(market.price_decimals || 0))),
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"张数精度 " + fmt(Math.pow(10, -(market.amount_decimals || 0))),
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];
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if (market.min_amount != null) {
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parts.push("最小张数 " + fmt(market.min_amount, market.amount_decimals));
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}
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return parts.join(" · ");
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}
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function applyMarketSteps(prefix, market) {
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const pxStep =
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market && market.price_tick != null && Number(market.price_tick) > 0
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? String(market.price_tick)
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: market && market.price_decimals != null
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? String(Math.pow(10, -Number(market.price_decimals)))
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: "any";
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const amtStep =
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market && market.amount_decimals != null
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? String(Math.pow(10, -Number(market.amount_decimals)))
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: "any";
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page.querySelectorAll("#" + prefix + "-form input[type='number']").forEach(function (el) {
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if (el.classList.contains("calc-roll-leg-add") || el.classList.contains("calc-roll-leg-stop")) {
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el.step = pxStep;
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return;
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}
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if (el.id === prefix + "-capital" || el.id === prefix + "-risk" || el.id === prefix + "-leverage") {
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return;
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}
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if (el.id === prefix + "-dca-legs" || el.id === prefix + "-legs-done") {
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return;
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}
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el.step = pxStep;
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});
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page.querySelectorAll(".calc-roll-leg-add, .calc-roll-leg-stop").forEach(function (el) {
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el.step = pxStep;
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});
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void amtStep;
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}
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async function refreshMarket(prefix) {
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const exchangeEl = $(prefix + "-exchange");
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const baseEl = $(prefix + "-base");
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const infoEl = $(prefix + "-market-info");
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if (!exchangeEl || !baseEl || !infoEl) return null;
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const exchangeId = exchangeEl.value || (calculatorExchanges[0] && calculatorExchanges[0].id) || "0";
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const base = text(prefix + "-base") || "ETH";
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const cacheKey = exchangeId + ":" + base.toUpperCase();
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infoEl.innerHTML = "加载合约信息…";
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try {
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const r = await fetch(
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"/api/calculator/market?exchange_id=" +
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encodeURIComponent(exchangeId) +
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"&base=" +
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encodeURIComponent(base),
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{ credentials: "same-origin" }
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);
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const j = await r.json();
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if (!j.ok) {
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infoEl.innerHTML = fmtMarketInfo(null, j.msg || "加载失败");
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marketCache[prefix] = null;
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return null;
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}
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marketCache[prefix] = j.data;
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marketCache[cacheKey] = j.data;
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infoEl.innerHTML = fmtMarketInfo(j.data, null);
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applyMarketSteps(prefix, j.data);
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return j.data;
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} catch (err) {
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infoEl.innerHTML = fmtMarketInfo(null, String(err));
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marketCache[prefix] = null;
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return null;
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}
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}
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function fillExchangeSelect(selectEl, selectedId) {
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if (!selectEl) return;
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selectEl.innerHTML = "";
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if (!calculatorExchanges.length) {
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selectEl.innerHTML = '<option value="">无已启用交易所</option>';
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return;
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}
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calculatorExchanges.forEach(function (ex) {
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const opt = document.createElement("option");
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opt.value = String(ex.id);
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opt.textContent = ex.name || ex.key || ex.id;
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selectEl.appendChild(opt);
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});
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const want = selectedId != null ? String(selectedId) : String(calculatorExchanges[0].id);
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if ([].some.call(selectEl.options, function (o) { return o.value === want; })) {
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selectEl.value = want;
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}
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}
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async function loadCalculatorExchanges() {
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try {
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const r = await fetch("/api/calculator/exchanges", { credentials: "same-origin" });
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const j = await r.json();
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calculatorExchanges = (j.ok && j.data) || [];
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} catch (_err) {
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calculatorExchanges = [];
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}
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fillExchangeSelect($("calc-trend-exchange"));
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fillExchangeSelect($("calc-roll-exchange"));
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}
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function bindMarket(prefix) {
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const exchangeEl = $(prefix + "-exchange");
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const baseEl = $(prefix + "-base");
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if (!exchangeEl || !baseEl) return;
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const run = function () {
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void refreshMarket(prefix);
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};
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if (!exchangeEl._calcMarketBound) {
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exchangeEl._calcMarketBound = true;
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exchangeEl.addEventListener("change", run);
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}
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if (!baseEl._calcMarketBound) {
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baseEl._calcMarketBound = true;
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baseEl.addEventListener("change", run);
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baseEl.addEventListener("blur", run);
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}
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run();
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}
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function syncTrendAddLabel() {
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const dir = ($("calc-trend-direction") && $("calc-trend-direction").value) || "long";
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const lab = $("calc-trend-add-label");
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if (lab) lab.textContent = dir === "short" ? "补仓下沿价" : "补仓上沿价";
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}
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function renderTrendTable(rows) {
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function renderTrendTable(rows, dec) {
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if (!rows || !rows.length) {
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return '<p class="calc-empty">无档位数据</p>';
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}
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const px = dec.price != null ? dec.price : 4;
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const amt = dec.amount != null ? dec.amount : 4;
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let html =
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'<div class="calc-table-wrap"><table class="calc-table"><thead><tr>' +
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"<th>档位</th><th>触发价</th><th>张数</th><th>加仓后均价</th><th>止盈盈利</th><th>止损金额</th><th>盈亏比</th>" +
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@@ -68,13 +220,13 @@
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esc(r.label) +
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"</td>" +
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"<td>" +
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fmt(r.price, 4) +
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fmt(r.price, px) +
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"</td>" +
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"<td>" +
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fmt(r.contracts, 4) +
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fmt(r.contracts, amt) +
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"</td>" +
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"<td>" +
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fmt(r.avg_entry, 4) +
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fmt(r.avg_entry, px) +
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"</td>" +
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'<td class="' +
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pnlClass(r.profit_u) +
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@@ -96,9 +248,13 @@
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function renderTrendResult(data) {
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const box = $("calc-trend-result");
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if (!box) return;
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const dec = decimalsFromMarket(data);
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box.classList.remove("hidden");
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box.innerHTML =
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'<div class="calc-summary">' +
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"<div><span>合约</span><strong>" +
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esc((data.market && data.market.display_symbol) || "—") +
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"</strong></div>" +
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"<div><span>计划保证金</span><strong>" +
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fmt(data.plan_margin_u, 2) +
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"U</strong></div>" +
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@@ -106,10 +262,10 @@
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fmt(data.risk_budget_u, 2) +
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"U</strong></div>" +
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"<div><span>总张数</span><strong>" +
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fmt(data.target_contracts, 4) +
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fmt(data.target_contracts, dec.amount) +
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"</strong></div>" +
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"<div><span>首仓张数</span><strong>" +
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fmt(data.first_contracts, 4) +
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fmt(data.first_contracts, dec.amount) +
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"</strong></div>" +
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'<div><span>首仓止盈盈利</span><strong class="' +
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pnlClass(data.first_profit_u) +
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@@ -120,16 +276,19 @@
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(data.first_rr != null ? fmt(data.first_rr, 2) + ":1" : "—") +
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"</strong></div>" +
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"</div>" +
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renderTrendTable(data.rows);
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renderTrendTable(data.rows, dec);
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}
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function renderRollResult(data) {
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const box = $("calc-roll-result");
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if (!box) return;
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const dec = decimalsFromMarket(data);
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const px = dec.price != null ? dec.price : 4;
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const amt = dec.amount != null ? dec.amount : 4;
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box.classList.remove("hidden");
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let table =
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'<div class="calc-table-wrap"><table class="calc-table"><thead><tr>' +
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"<th>阶段</th><th>入场/加仓价</th><th>统一止损</th><th>本次张数</th><th>累计张数</th><th>均价</th><th>止损亏损</th><th>止盈盈利</th><th>盈亏比</th>" +
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"<th>阶段</th><th>入场/加仓价</th><th>统一止损</th><th>本次张数</th><th>累计张数</th><th>均价</th><th>打到止损总亏</th><th>止盈盈利</th><th>盈亏比</th>" +
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"</tr></thead><tbody>";
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(data.rows || []).forEach(function (r) {
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const tag = r.already_done ? ' <span class="calc-done-tag">已完成</span>' : "";
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@@ -140,19 +299,19 @@
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tag +
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"</td>" +
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"<td>" +
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fmt(r.entry_or_add_price, 4) +
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fmt(r.entry_or_add_price, px) +
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"</td>" +
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"<td>" +
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fmt(r.stop_loss, 4) +
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fmt(r.stop_loss, px) +
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"</td>" +
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"<td>" +
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fmt(r.add_contracts, 4) +
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fmt(r.add_contracts, amt) +
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"</td>" +
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"<td>" +
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fmt(r.total_contracts, 4) +
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fmt(r.total_contracts, amt) +
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"</td>" +
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"<td>" +
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fmt(r.avg_entry, 4) +
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fmt(r.avg_entry, px) +
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"</td>" +
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'<td class="calc-pnl-loss">' +
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fmtU(-Math.abs(Number(r.loss_at_sl_u) || 0)) +
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@@ -170,17 +329,20 @@
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table += "</tbody></table></div>";
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box.innerHTML =
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'<div class="calc-summary">' +
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"<div><span>合约</span><strong>" +
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esc((data.market && data.market.display_symbol) || "—") +
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"</strong></div>" +
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"<div><span>单次风险预算</span><strong>" +
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fmt(data.risk_budget_u, 2) +
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"U</strong></div>" +
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"<div><span>首仓张数（自动）</span><strong>" +
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fmt(data.first_contracts, 4) +
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fmt(data.first_contracts, amt) +
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"</strong></div>" +
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"<div><span>最终累计张数</span><strong>" +
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fmt(data.final_contracts, 4) +
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fmt(data.final_contracts, amt) +
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"</strong></div>" +
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"<div><span>最终均价</span><strong>" +
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fmt(data.final_avg_entry, 4) +
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fmt(data.final_avg_entry, px) +
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"</strong></div>" +
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'<div><span>最终止盈盈利</span><strong class="' +
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pnlClass(data.final_profit_at_tp_u) +
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@@ -209,6 +371,7 @@
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}
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function rollLegRowHtml(index) {
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const step = (marketCache["calc-roll"] && marketCache["calc-roll"].price_tick) || "any";
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return (
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'<div class="calc-roll-leg" data-leg-index="' +
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index +
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@@ -217,8 +380,12 @@
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index +
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"</div>" +
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'<div class="calc-roll-leg-grid">' +
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'<label class="calc-field"><span>加仓价</span><input type="number" class="calc-roll-leg-add" min="0" step="any" required /></label>' +
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'<label class="calc-field"><span>新统一止损</span><input type="number" class="calc-roll-leg-stop" min="0" step="any" required /></label>' +
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'<label class="calc-field"><span>加仓价</span><input type="number" class="calc-roll-leg-add" min="0" step="' +
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esc(step) +
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'" required /></label>' +
|
||||
'<label class="calc-field"><span>新统一止损</span><input type="number" class="calc-roll-leg-stop" min="0" step="' +
|
||||
esc(step) +
|
||||
'" required /></label>' +
|
||||
"</div>" +
|
||||
'<button type="button" class="ghost danger calc-roll-leg-remove">删除</button>' +
|
||||
"</div>"
|
||||
@@ -303,6 +470,8 @@
|
||||
e.preventDefault();
|
||||
const body = {
|
||||
direction: ($("calc-trend-direction") && $("calc-trend-direction").value) || "long",
|
||||
exchange_id: ($("calc-trend-exchange") && $("calc-trend-exchange").value) || "0",
|
||||
base: text("calc-trend-base") || "ETH",
|
||||
capital_usdt: num("calc-trend-capital"),
|
||||
risk_percent: num("calc-trend-risk"),
|
||||
leverage: num("calc-trend-leverage"),
|
||||
@@ -311,7 +480,6 @@
|
||||
add_upper: num("calc-trend-add-upper"),
|
||||
take_profit: num("calc-trend-tp"),
|
||||
dca_legs: num("calc-trend-dca-legs") || 5,
|
||||
contract_size: num("calc-trend-contract-size") || 1,
|
||||
};
|
||||
try {
|
||||
const r = await fetch("/api/calculator/trend", {
|
||||
@@ -335,6 +503,8 @@
|
||||
e.preventDefault();
|
||||
const body = {
|
||||
direction: ($("calc-roll-direction") && $("calc-roll-direction").value) || "long",
|
||||
exchange_id: ($("calc-roll-exchange") && $("calc-roll-exchange").value) || "0",
|
||||
base: text("calc-roll-base") || "ETH",
|
||||
capital_usdt: num("calc-roll-capital"),
|
||||
risk_percent: num("calc-roll-risk"),
|
||||
entry_price: num("calc-roll-entry"),
|
||||
@@ -361,9 +531,10 @@
|
||||
}
|
||||
}
|
||||
|
||||
function bindOnce() {
|
||||
async function bindOnce() {
|
||||
if (inited) return;
|
||||
inited = true;
|
||||
await loadCalculatorExchanges();
|
||||
const trendForm = $("calc-trend-form");
|
||||
const rollForm = $("calc-roll-form");
|
||||
const dirSel = $("calc-trend-direction");
|
||||
@@ -374,10 +545,14 @@
|
||||
syncTrendAddLabel();
|
||||
}
|
||||
bindRollLegsUI();
|
||||
bindMarket("calc-trend");
|
||||
bindMarket("calc-roll");
|
||||
}
|
||||
|
||||
window.hubCalculatorPage = {
|
||||
init: bindOnce,
|
||||
init: function () {
|
||||
bindOnce();
|
||||
},
|
||||
destroy: function () {},
|
||||
};
|
||||
})();
|
||||
|
||||
@@ -707,6 +707,17 @@
|
||||
<p class="calc-hint">逻辑与实例策略页一致：首仓 50% + 补仓网格；止损金额 = 资金 × 风险%。</p>
|
||||
<form id="calc-trend-form" class="calc-form">
|
||||
<div class="calc-form-grid">
|
||||
<label class="calc-field">
|
||||
<span>交易所</span>
|
||||
<select id="calc-trend-exchange" required></select>
|
||||
</label>
|
||||
<label class="calc-field">
|
||||
<span>币种</span>
|
||||
<input id="calc-trend-base" type="text" value="ETH" placeholder="如 ETH" required autocomplete="off" />
|
||||
</label>
|
||||
<div class="calc-field calc-field-span2">
|
||||
<div id="calc-trend-market-info" class="calc-market-info">ETH/USDT · 加载合约信息…</div>
|
||||
</div>
|
||||
<label class="calc-field">
|
||||
<span>交易资金 (U)</span>
|
||||
<input id="calc-trend-capital" type="number" min="0.01" step="any" value="1000" required />
|
||||
@@ -746,10 +757,6 @@
|
||||
<span>补仓档数</span>
|
||||
<input id="calc-trend-dca-legs" type="number" min="1" max="20" step="1" value="5" />
|
||||
</label>
|
||||
<label class="calc-field">
|
||||
<span>合约乘数</span>
|
||||
<input id="calc-trend-contract-size" type="number" min="0.0001" step="any" value="1" title="USDT 线性合约默认 1" />
|
||||
</label>
|
||||
</div>
|
||||
<div class="calc-actions">
|
||||
<button type="submit" class="primary">计算</button>
|
||||
@@ -763,6 +770,17 @@
|
||||
<p class="calc-hint">首仓按「单次风险」以损定仓；每次滚仓后合并持仓打到新止损 ≈ 单次风险；止盈锁定首仓价不变。最多 3 次滚仓。</p>
|
||||
<form id="calc-roll-form" class="calc-form">
|
||||
<div class="calc-form-grid">
|
||||
<label class="calc-field">
|
||||
<span>交易所</span>
|
||||
<select id="calc-roll-exchange" required></select>
|
||||
</label>
|
||||
<label class="calc-field">
|
||||
<span>币种</span>
|
||||
<input id="calc-roll-base" type="text" value="ETH" placeholder="如 ETH" required autocomplete="off" />
|
||||
</label>
|
||||
<div class="calc-field calc-field-span2">
|
||||
<div id="calc-roll-market-info" class="calc-market-info">ETH/USDT · 加载合约信息…</div>
|
||||
</div>
|
||||
<label class="calc-field">
|
||||
<span>交易资金 (U)</span>
|
||||
<input id="calc-roll-capital" type="number" min="0.01" step="any" value="1000" required />
|
||||
|
||||
Reference in New Issue
Block a user