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565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 | import uvicorn
from fastapi import FastAPI
from fastapi.responses import HTMLResponse
# ==========================================
# 1. SERVER CONFIG (STATIC HOST ONLY)
# ==========================================
HOST = "0.0.0.0"
PORT = 7860
app = FastAPI()
@app.get("/")
def home():
return HTMLResponse(HTML_TEMPLATE)
# ==========================================
# 2. FRONTEND CODE
# ==========================================
HTML_TEMPLATE = """
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>DERIBIT PRO CHAIN</title>
<meta name="viewport" content="width=1400">
<link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@500;800&family=Inter:wght@400;600;700;800&display=swap" rel="stylesheet">
<style>
:root {
--bg: #ffffff; --panel: #f4f6f8; --border: #e0e0e0;
--text-main: #1a1a1a; --text-sub: #555555;
--accent: #6c4af5; --green: #00c853; --red: #d50000;
--green-soft: rgba(0, 200, 83, 0.27); --red-soft: rgba(213, 0, 0, 0.18);
--atm-bg: rgba(108, 74, 245, 0.08);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text-main); font-family: 'Inter', sans-serif; height: 100vh; display: flex; flex-direction: column; overflow: hidden; }
/* TOP NAV */
.top-nav { padding: 0 20px; background: #fff; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; height: 60px; z-index: 10; box-shadow: 0 2px 5px rgba(0,0,0,0.03); }
.brand { font-family: 'JetBrains Mono'; font-weight: 800; font-size: 18px; color: var(--text-main); }
.brand span { color: var(--accent); }
.controls { display: flex; gap: 15px; align-items: center; }
/* INPUTS & SELECTS */
select, input {
background: #f9f9f9; color: var(--text-main); border: 1px solid var(--border);
padding: 8px 12px; border-radius: 6px; font-weight: bold; outline:none;
font-family:'JetBrains Mono'; font-size: 13px; transition: 0.2s;
}
select:focus, input:focus { border-color: var(--accent); background: #fff; }
input { width: 100px; text-align: center; }
.spot-box { text-align: right; }
.spot-val { font-size: 18px; font-weight: 800; color: var(--text-main); font-family: 'JetBrains Mono'; }
.spot-lbl { font-size: 10px; color: #aaa; font-weight: 700; letter-spacing: 1px; }
/* LAYOUT */
.grid-layout { display: flex; height: calc(100vh - 60px); }
/* CHAIN PANEL */
.chain-panel { flex: 1; display: flex; flex-direction: column; position: relative; }
/* 5-Column Header: CallData | MathLeft | Strike | MathRight | PutData */
.chain-header {
display: grid;
grid-template-columns: 0.6fr 1fr 60px 1fr 0.6fr;
background: #f8f9fa; border-bottom: 1px solid var(--border);
font-size: 11px; font-weight: 800; text-align: center; color: var(--text-sub);
height: 40px; align-items: center;
}
.header-cell { display: flex; align-items: center; justify-content: center; gap: 5px; cursor: pointer; height: 100%; border-right: 1px solid var(--border); }
.header-cell:last-child { border-right: none; }
.header-icon { opacity: 0.3; transition: 0.2s; }
.header-icon:hover { opacity: 1; color: var(--accent); }
.chain-body { flex: 1; overflow-y: auto; background: #fff; scroll-behavior: smooth; }
/* ROWS */
.row {
display: grid;
grid-template-columns: 0.6fr 1fr 60px 1fr 0.6fr;
height: 45px; align-items: center; border-bottom: 1px solid #f0f0f0;
font-family: 'JetBrains Mono'; font-size: 12px;
}
.row:hover { background: #fafafa; }
.row.atm { background: var(--atm-bg); border-top: 1px solid var(--accent); border-bottom: 1px solid var(--accent); }
/* MATH COLUMNS WITH BARS */
.graph-col { position: relative; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; border-right: 1px solid var(--border); cursor: crosshair; overflow: hidden; }
.visual-bar { position: absolute; top: 8px; bottom: 8px; z-index: 0; border-radius: 4px; transition: width 0.3s, left 0.3s; opacity: 0.8; }
.math-val { z-index: 2; font-weight: 800; font-size: 13px; color: var(--text-main); }
/* RAW DATA COLUMNS (Small) */
.raw-col { display: flex; flex-direction: column; justify-content: center; align-items: center; font-size: 10px; color: #888; border-right: 1px solid var(--border); height: 100%; line-height: 1.2; }
.raw-ltp { font-weight: bold; color: var(--text-main); font-size: 11px; }
.raw-sub { display: flex; gap: 6px; }
.txt-g { color: var(--green); }
.txt-r { color: var(--red); }
.strike-box { background: #f8f9fa; height: 100%; display: flex; align-items: center; justify-content: center; font-weight: 800; border-right: 1px solid var(--border); }
/* SIDEBAR */
.fut-panel { width: 340px; background: var(--panel); border-left: 1px solid var(--border); display: flex; flex-direction: column; overflow-y: auto; }
.panel-section { padding: 15px; border-bottom: 1px solid var(--border); background: #fff; margin-bottom: 10px; }
.panel-title { font-size: 11px; font-weight: 800; color: #888; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.5px; display:flex; justify-content:space-between; align-items:center; }
/* AGGREGATE CARDS */
.nf-sec { margin-bottom: 15px; padding-bottom: 15px; border-bottom: 1px solid #eee; }
.nf-sec:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.nf-title { font-size: 10px; font-weight: 800; color: #888; text-transform: uppercase; margin-bottom: 8px; text-align: left; }
.aggr-row { display: flex; gap: 5px; }
.aggr-item { flex: 1; background: #fafafa; border: 1px solid #eee; border-radius: 6px; padding: 8px; display: flex; flex-direction: column; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.aggr-val { font-size: 14px; font-family: 'JetBrains Mono'; font-weight: 800; z-index: 2; position: relative; }
.aggr-lbl { font-size: 9px; font-weight: 700; color: #aaa; margin-top: 2px; z-index: 2; position: relative; }
/* Mini Bar inside Aggregate Card */
.mini-bar { position: absolute; bottom: 0; left: 0; height: 3px; width: 0%; transition: width 0.3s; }
/* FUTURES CARDS */
.fut-card { padding: 12px; background: #fff; border: 1px solid #eee; border-radius: 8px; margin-bottom: 10px; box-shadow: 0 2px 4px rgba(0,0,0,0.02); }
.meter-bg { height: 6px; background: #eee; border-radius: 3px; display: flex; overflow: hidden; margin-top: 8px; }
/* MODALS */
.modal { position: fixed; top:0; left:0; width:100%; height:100%; background: rgba(0,0,0,0.5); z-index: 1000; display: none; justify-content: center; align-items: center; backdrop-filter: blur(2px); }
.modal-box { background: #fff; width: 420px; border-radius: 12px; box-shadow: 0 20px 50px rgba(0,0,0,0.2); padding: 25px; display:flex; flex-direction:column; animation: popIn 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
@keyframes popIn { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.inp-group { margin-top:15px; }
.inp-label { font-size:11px; font-weight:800; color:#888; margin-bottom:5px; display:block; }
.modal-inp { width:100%; padding:10px; border:1px solid #ddd; border-radius:6px; font-family:'JetBrains Mono'; font-weight:bold; font-size:14px; }
.modal-action { background:var(--accent); color:white; border:none; padding:10px 20px; border-radius:6px; font-weight:bold; cursor:pointer; width:100%; margin-top:20px; }
.modal-action.sec { background:#eee; color:#333; margin-top:10px; }
/* LOADER */
.loader-ov { position: fixed; top:0; left:0; width:100%; height:100%; background:#fff; display:flex; flex-direction:column; justify-content:center; align-items:center; z-index: 9999; }
.spinner { width: 30px; height: 30px; border: 3px solid #f3f3f3; border-top: 3px solid var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; margin-bottom: 15px; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
/* SCROLLBAR */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #ddd; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #bbb; }
.pending { opacity: 0.4; }
</style>
</head>
<body>
<!-- LOADER -->
<div class="loader-ov" id="loader">
<div class="spinner"></div>
<div id="loaderMsg" style="font-weight:700; color:var(--text-main); font-size:14px; letter-spacing:1px;">CONNECTING TO DERIBIT...</div>
</div>
<!-- CONFIG MODAL -->
<div class="modal" id="confModal">
<div class="modal-box">
<div style="display:flex; justify-content:space-between; font-weight:800; font-size:16px; border-bottom:1px solid #eee; padding-bottom:15px;">
<span id="confTitle">COLUMN SETTINGS</span>
<span style="cursor:pointer; color:#999;" onclick="closeModal('confModal')">✕</span>
</div>
<div class="inp-group">
<span class="inp-label">DISPLAY TITLE</span>
<input type="text" id="confName" class="modal-inp">
</div>
<div class="inp-group">
<span class="inp-label">CUSTOM FORMULA (CS, CB, PS, PB)</span>
<input type="text" id="confForm" class="modal-inp">
</div>
<button class="modal-action" onclick="saveConfig()">SAVE CONFIGURATION</button>
<button class="modal-action sec" onclick="resetConfig()">RESET TO DEFAULTS</button>
</div>
</div>
<!-- SIDEBAR CONFIG MODAL -->
<div class="modal" id="sideConfModal">
<div class="modal-box">
<div style="display:flex; justify-content:space-between; font-weight:800; font-size:16px; border-bottom:1px solid #eee; padding-bottom:15px;">
<span>SIDEBAR CONFIG</span>
<span style="cursor:pointer; color:#999;" onclick="closeModal('sideConfModal')">✕</span>
</div>
<div style="font-size:11px; color:#888; margin-bottom:10px;">
Set ranges for ATM aggregation (e.g. 3, 7, 13).
</div>
<div id="sideConfList"></div>
<button class="modal-action" onclick="saveSideConfig()">SAVE SETTINGS</button>
<button class="modal-action sec" onclick="resetSideConfig()">RESET DEFAULTS</button>
</div>
</div>
<!-- TOP NAV -->
<div class="top-nav">
<div class="brand">DERIBIT<span>PRO</span></div>
<div class="controls">
<select id="symSel" onchange="changeSymbol()">
<option value="BTC">BTC</option>
<option value="ETH">ETH</option>
</select>
<select id="expSel" onchange="renderTable()"></select>
<div style="display:flex; align-items:center; gap:8px;">
<span style="font-size:10px; font-weight:800; color:#888;">DEPTH</span>
<input type="number" id="depthInp" value="10000" onchange="restartScanner()">
</div>
<div style="display:flex; align-items:center; gap:8px;">
<span style="font-size:10px; font-weight:800; color:#888;">ATM ±</span>
<input type="number" id="rangeInp" value="20" onchange="renderTable()">
</div>
</div>
<div class="spot-box">
<div class="spot-val" id="spotVal">$0.00</div>
<div class="spot-lbl">INDEX PRICE</div>
</div>
</div>
<div class="grid-layout">
<!-- CHAIN PANEL -->
<div class="chain-panel">
<div class="chain-header">
<div class="header-cell">CALL DATA</div>
<div class="header-cell" onclick="openConfig('left')">
<span id="headL_txt">NET FLOW</span>
<svg class="header-icon" width="14" height="14" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z"></path><path stroke-linecap="round" stroke-linejoin="round" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"></path></svg>
</div>
<div class="header-cell">STRIKE</div>
<div class="header-cell" onclick="openConfig('right')">
<span id="headR_txt">OVERALL FLOW</span>
<svg class="header-icon" width="14" height="14" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z"></path><path stroke-linecap="round" stroke-linejoin="round" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"></path></svg>
</div>
<div class="header-cell">PUT DATA</div>
</div>
<div class="chain-body" id="chainBody"></div>
</div>
<!-- SIDEBAR -->
<div class="fut-panel">
<div class="panel-section">
<div class="panel-title">
<span>AGGREGATE FLOW</span>
<svg onclick="openSideConfig()" style="cursor:pointer; opacity:0.5;" width="12" height="12" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z"></path><path stroke-linecap="round" stroke-linejoin="round" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"></path></svg>
</div>
<div id="sideContainer"></div>
</div>
<div class="panel-section">
<div class="panel-title">FUTURES CONTRACTS</div>
<div id="futBody"></div>
</div>
</div>
</div>
<script>
// ==========================================
// STATE & CONFIG
// ==========================================
const DEFAULTS = {
left: { name: "NET FLOW", formula: "PS - CS" },
right: { name: "OVERALL FLOW", formula: "CB + PS - (PB + CS)" },
side: [
{ id: 1, name: "NET FLOW", formula: "PS - CS", ranges: [3, 7, 13] },
{ id: 2, name: "OVERALL", formula: "CB + PS - (PB + CS)", ranges: [3, 7, 13] }
]
};
let CONFIG = JSON.parse(localStorage.getItem('deribit_chain_config')) || JSON.parse(JSON.stringify(DEFAULTS));
let MASTER_DATA = { opts: [], futs: [] };
let CURRENT_DATA = {}; // { instrument_name: { buys: 0, sells: 0, ltp: 0 } }
let SCAN_QUEUE = [];
let SCAN_ACTIVE = false;
let SPOT_PRICE = 0;
let EDIT_SIDE = null;
let CURRENT_SYM = "BTC";
// ==========================================
// INITIALIZATION
// ==========================================
window.onload = () => {
applyConfig();
initApp();
};
async function initApp() {
document.getElementById('loader').style.display = 'flex';
CURRENT_SYM = document.getElementById('symSel').value;
try {
// 1. Fetch Instruments
const [optRes, futRes] = await Promise.all([
fetch(`https://www.deribit.com/api/v2/public/get_instruments?currency=${CURRENT_SYM}&kind=option&expired=false`),
fetch(`https://www.deribit.com/api/v2/public/get_instruments?currency=${CURRENT_SYM}&kind=future&expired=false`)
]);
const optJson = await optRes.json();
const futJson = await futRes.json();
// 2. Process Options
MASTER_DATA.opts = optJson.result.map(i => ({
s: i.instrument_name,
k: i.strike,
t: i.option_type === "call" ? "CE" : "PE",
e: i.expiration_timestamp / 1000
})).sort((a,b) => (a.e - b.e) || (a.k - b.k));
// 3. Process Futures
MASTER_DATA.futs = futJson.result.map(i => ({
s: i.instrument_name,
e: i.expiration_timestamp / 1000,
d: i.expiration_timestamp > 9000000000 ? "PERP" : new Date(i.expiration_timestamp).toLocaleDateString('en-GB', {day:'numeric', month:'short'})
})).sort((a,b) => a.e - b.e);
// 4. Setup Expiries
const now = Date.now()/1000;
const exps = [...new Set(MASTER_DATA.opts.map(o => o.e))].filter(e => e > now).sort((a,b)=>a-b);
const expSel = document.getElementById('expSel');
expSel.innerHTML = exps.map(e => {
const d = new Date(e*1000).toLocaleDateString('en-GB', {day:'numeric', month:'short'}).toUpperCase();
return `<option value="${e}">${d}</option>`;
}).join('');
// 5. Initial Spot & Render
updateSpot();
renderTable();
renderFutures();
renderSidebar();
// 6. Start Scanner
if(!SCAN_ACTIVE) startScanner();
document.getElementById('loader').style.display = 'none';
} catch(e) {
console.error(e);
alert("Connection Failed. Check Console.");
}
}
function changeSymbol() {
// FLICKER FIX: Clear everything immediately
document.getElementById('chainBody').innerHTML = '';
document.getElementById('futBody').innerHTML = '';
document.getElementById('spotVal').innerText = '...';
SCAN_QUEUE = [];
CURRENT_DATA = {};
SPOT_PRICE = 0;
initApp();
}
async function updateSpot() {
try {
const res = await fetch(`https://www.deribit.com/api/v2/public/get_index_price?index_name=${CURRENT_SYM.toLowerCase()}_usd`);
const json = await res.json();
if(json.result) {
SPOT_PRICE = json.result.index_price;
document.getElementById('spotVal').innerText = `$${SPOT_PRICE.toFixed(2)}`;
highlightATM();
}
} catch(e) {}
setTimeout(updateSpot, 2000);
}
// ==========================================
// RENDERING
// ==========================================
function renderTable() {
const exp = parseFloat(document.getElementById('expSel').value);
if(!exp) return;
// Reset Queue for new expiry
SCAN_QUEUE = [];
// We don't clear CURRENT_DATA here to allow cache hits, but we rebuild UI
const rel = MASTER_DATA.opts.filter(o => o.e === exp);
const strikes = [...new Set(rel.map(o => o.k))].sort((a,b)=>a-b);
// Find ATM and filter range
let atmIdx = 0;
let minDiff = Infinity;
if(SPOT_PRICE > 0) {
strikes.forEach((k, idx) => {
const diff = Math.abs(k - SPOT_PRICE);
if(diff < minDiff) { minDiff = diff; atmIdx = idx; }
});
} else {
atmIdx = Math.floor(strikes.length / 2);
}
const range = parseInt(document.getElementById('rangeInp').value) || 20;
const start = Math.max(0, atmIdx - range);
const end = Math.min(strikes.length, atmIdx + range + 1);
const viewStrikes = strikes.slice(start, end);
let html = "";
viewStrikes.forEach(k => {
const ce = rel.find(o => o.k === k && o.t === "CE");
const pe = rel.find(o => o.k === k && o.t === "PE");
const cSym = ce ? ce.s : "";
const pSym = pe ? pe.s : "";
if(cSym) SCAN_QUEUE.push(cSym);
if(pSym) SCAN_QUEUE.push(pSym);
html += `
<div class="row" id="row-${k}" data-k="${k}" data-c="${cSym}" data-p="${pSym}">
<!-- CALL DATA (Small) -->
<div class="raw-col">
<span class="raw-ltp pending" id="cltp-${cSym}">-</span>
<div class="raw-sub">
<span class="txt-g pending" id="cb-${cSym}">-</span>
<span class="txt-r pending" id="cs-${cSym}">-</span>
</div>
</div>
<!-- MATH LEFT -->
<div class="graph-col">
<div class="visual-bar" id="barL-${k}"></div>
<span class="math-val" id="valL-${k}">-</span>
</div>
<!-- STRIKE -->
<div class="strike-box">${k}</div>
<!-- MATH RIGHT -->
<div class="graph-col">
<div class="visual-bar" id="barR-${k}"></div>
<span class="math-val" id="valR-${k}">-</span>
</div>
<!-- PUT DATA (Small) -->
<div class="raw-col">
<span class="raw-ltp pending" id="pltp-${pSym}">-</span>
<div class="raw-sub">
<span class="txt-g pending" id="pb-${pSym}">-</span>
<span class="txt-r pending" id="ps-${pSym}">-</span>
</div>
</div>
</div>`;
});
document.getElementById('chainBody').innerHTML = html;
highlightATM();
// Re-add Futures to queue so they keep updating
MASTER_DATA.futs.forEach(f => SCAN_QUEUE.push(f.s));
}
function renderFutures() {
const list = document.getElementById('futBody');
list.innerHTML = MASTER_DATA.futs.map(f => {
SCAN_QUEUE.push(f.s);
return `
<div class="fut-card">
<div style="display:flex; justify-content:space-between; font-weight:700; font-size:12px;">
<span>${f.d}</span> <span id="fltp-${f.s}" class="pending">...</span>
</div>
<div class="meter-bg">
<div style="width:50%; background:var(--green)" id="fbar-b-${f.s}"></div>
<div style="width:50%; background:var(--red)" id="fbar-s-${f.s}"></div>
</div>
<div style="display:flex; justify-content:space-between; font-size:10px; color:#666; margin-top:4px;">
<span>B: <span id="fb-${f.s}">-</span></span>
<span>S: <span id="fs-${f.s}">-</span></span>
</div>
</div>`;
}).join('');
}
function renderSidebar() {
const con = document.getElementById('sideContainer');
con.innerHTML = CONFIG.side.map((item, idx) => {
const boxes = item.ranges.map((r, rIdx) => `
<div class="aggr-item">
<span class="aggr-val" id="sv-${idx}-${rIdx}">0</span>
<span class="aggr-lbl">ATM ±${r}</span>
<div class="mini-bar" id="sb-${idx}-${rIdx}"></div>
</div>
`).join('');
return `
<div class="nf-sec">
<div class="nf-title">${item.name}</div>
<div class="aggr-row">${boxes}</div>
</div>`;
}).join('');
}
function highlightATM() {
if(!SPOT_PRICE) return;
document.querySelectorAll('.atm').forEach(e => e.classList.remove('atm'));
let minDiff = Infinity;
let atmRow = null;
document.querySelectorAll('.row').forEach(row => {
const k = parseFloat(row.dataset.k);
const diff = Math.abs(k - SPOT_PRICE);
if(diff < minDiff) { minDiff = diff; atmRow = row; }
});
if(atmRow) {
atmRow.classList.add('atm');
if(!window.scrolled) {
atmRow.scrollIntoView({block:'center', behavior:'auto'});
window.scrolled = true;
}
}
}
// ==========================================
// SCANNER ENGINE
// ==========================================
async function startScanner() {
SCAN_ACTIVE = true;
const BATCH_SIZE = 8;
while(true) {
if(SCAN_QUEUE.length === 0) {
await new Promise(r => setTimeout(r, 500));
continue;
}
const batch = [];
for(let i=0; i<BATCH_SIZE; i++) {
const item = SCAN_QUEUE.shift();
if(item) {
batch.push(item);
SCAN_QUEUE.push(item); // Rotate
}
}
await Promise.all(batch.map(fetchInstrumentData));
await new Promise(r => setTimeout(r, 250));
}
}
function restartScanner() {
// Just triggers config reload in next fetch cycle
}
async function fetchInstrumentData(inst) {
if(!inst) return;
const depth = document.getElementById('depthInp').value;
const url = `https://www.deribit.com/api/v2/public/get_order_book?instrument_name=${inst}&depth=${depth}`;
try {
const res = await fetch(url);
const json = await res.json();
if(json.result) {
const ob = json.result;
const buys = ob.bids.reduce((a,b) => a + b[1], 0);
const sells = ob.asks.reduce((a,b) => a + b[1], 0);
const ltp = ob.mark_price;
CURRENT_DATA[inst] = { buys, sells, ltp };
updateDOM(inst, buys, sells, ltp);
// If option, update math
if(inst.endsWith('-C') || inst.endsWith('-P')) {
const parts = inst.split('-');
const k = parts[2];
updateRowMath(k);
updateAggregates();
}
}
} catch(e) {}
}
// ==========================================
// UI UPDATES & MATH
// ==========================================
function updateDOM(inst, b, s, ltp) {
const fmtQ = (q) => q >= 1000 ? (q/1000).toFixed(1)+'k' : q.toFixed(1);
const fmtP = (p) => {
if(inst.includes('-C') || inst.includes('-P')) return (p * SPOT_PRICE).toFixed(2);
return p.toLocaleString();
};
// Update Small Data Columns
const elB = document.getElementById(`cb-${inst}`) || document.getElementById(`pb-${inst}`) || document.getElementById(`fb-${inst}`);
const elS = document.getElementById(`cs-${inst}`) || document.getElementById(`ps-${inst}`) || document.getElementById(`fs-${inst}`);
const elP = document.getElementById(`cltp-${inst}`) || document.getElementById(`pltp-${inst}`) || document.getElementById(`fltp-${inst}`);
if(elB) { elB.innerText = fmtQ(b); elB.classList.remove('pending'); }
if(elS) { elS.innerText = fmtQ(s); elS.classList.remove('pending'); }
if(elP) { elP.innerText = fmtP(ltp); elP.classList.remove('pending'); }
// Update Futures Bars
if(document.getElementById(`fbar-b-${inst}`)) {
const tot = b + s || 1;
document.getElementById(`fbar-b-${inst}`).style.width = ((b/tot)*100) + "%";
document.getElementById(`fbar-s-${inst}`).style.width = ((s/tot)*100) + "%";
}
}
function updateRowMath(k) {
const row = document.getElementById(`row-${k}`);
if(!row) return;
const cSym = row.dataset.c;
const pSym = row.dataset.p;
const cData = CURRENT_DATA[cSym] || { buys:0, sells:0, ltp:0 };
const pData = CURRENT_DATA[pSym] || { buys:0, sells:0, ltp:0 };
const vars = {
CS: cData.sells, CB: cData.buys,
PS: pData.sells, PB: pData.buys
};
const valL = evalFormula(CONFIG.left.formula, vars);
const valR = evalFormula(CONFIG.right.formula, vars);
// Update Left
const elValL = document.getElementById(`valL-${k}`);
const elBarL = document.getElementById(`barL-${k}`);
elValL.innerText = fmtNum(valL);
elValL.style.color = valL >= 0 ? 'var(--green)' : 'var(--red)';
updateBar(elBarL, valL);
// Update Right
const elValR = document.getElementById(`valR-${k}`);
const elBarR = document.getElementById(`barR-${k}`);
elValR.innerText = fmtNum(valR);
elValR.style.color = valR >= 0 ? 'var(--green)' : 'var(--red)';
updateBar(elBarR, valR);
}
function updateBar(el, val) {
const MAX = 50000; // Scaling factor
const pct = Math.min(100, (Math.abs(val) / MAX) * 100);
el.style.width = pct + "%";
el.style.left = val < 0 ? (50 - pct/2) + "%" : "0%"; // Basic left align for now, or use color
// Actually app.py style is left aligned, color indicates sign
el.style.left = "0%";
el.style.background = val >= 0 ? "var(--green-soft)" : "var(--red-soft)";
}
function updateAggregates() {
if(!SPOT_PRICE) return;
// Get all visible strikes and sort
const strikes = Object.keys(CURRENT_DATA).map(k => {
if(k.includes('-C') || k.includes('-P')) return parseFloat(k.split('-')[2]);
return null;
}).filter(x => x).sort((a,b)=>a-b);
// Unique strikes
const uStrikes = [...new Set(strikes)];
const lowers = uStrikes.filter(k => k < SPOT_PRICE);
const uppers = uStrikes.filter(k => k >= SPOT_PRICE);
CONFIG.side.forEach((item, idx) => {
item.ranges.forEach((rng, rIdx) => {
const el = document.getElementById(`sv-${idx}-${rIdx}`);
const bar = document.getElementById(`sb-${idx}-${rIdx}`);
if(el) {
const selLow = lowers.slice(-rng);
const selHigh = uppers.slice(0, rng);
const targetStrikes = [...selLow, ...selHigh];
let total = 0;
targetStrikes.forEach(k => {
// Find syms
const row = document.getElementById(`row-${k}`);
if(row) {
const cData = CURRENT_DATA[row.dataset.c] || { buys:0, sells:0 };
const pData = CURRENT_DATA[row.dataset.p] || { buys:0, sells:0 };
const vars = { CS: cData.sells, CB: cData.buys, PS: pData.sells, PB: pData.buys };
total += evalFormula(item.formula, vars);
}
});
el.innerText = (total > 0 ? "+" : "") + fmtNum(total);
el.style.color = total >= 0 ? 'var(--green)' : 'var(--red)';
// Mini Bar
const MAX_AGG = 200000;
const pct = Math.min(100, (Math.abs(total)/MAX_AGG)*100);
bar.style.width = pct + "%";
bar.style.background = total >= 0 ? "var(--green)" : "var(--red)";
}
});
});
}
// ==========================================
// HELPERS & MODALS
// ==========================================
function evalFormula(formula, v) {
try {
let exp = formula.toUpperCase();
exp = exp.replace(/CS/g, v.CS).replace(/CB/g, v.CB)
.replace(/PS/g, v.PS).replace(/PB/g, v.PB);
return eval(exp) || 0;
} catch(e) { return 0; }
}
function fmtNum(n) {
const abs = Math.abs(n);
if(abs >= 1000000) return (n/1000000).toFixed(2) + 'M';
if(abs >= 1000) return (n/1000).toFixed(1) + 'k';
return n.toFixed(0);
}
function applyConfig() {
document.getElementById('headL_txt').innerText = CONFIG.left.name;
document.getElementById('headR_txt').innerText = CONFIG.right.name;
}
function openConfig(side) {
EDIT_SIDE = side;
document.getElementById('confTitle').innerText = (side === 'left' ? "LEFT" : "RIGHT") + " COLUMN";
document.getElementById('confName').value = CONFIG[side].name;
document.getElementById('confForm').value = CONFIG[side].formula;
document.getElementById('confModal').style.display = 'flex';
}
function saveConfig() {
const name = document.getElementById('confName').value;
const form = document.getElementById('confForm').value;
if(name && form) {
CONFIG[EDIT_SIDE] = { name, formula: form };
localStorage.setItem('deribit_chain_config', JSON.stringify(CONFIG));
applyConfig();
renderTable(); // Re-calc
}
closeModal('confModal');
}
function openSideConfig() {
const list = document.getElementById('sideConfList');
list.innerHTML = CONFIG.side.map((item, i) => `
<div style="margin-bottom:10px; border-bottom:1px solid #eee; padding-bottom:10px;">
<div style="font-weight:bold; font-size:12px;">CARD ${i+1}</div>
<input type="text" value="${item.name}" class="modal-inp" style="margin-top:5px;" onchange="CONFIG.side[${i}].name=this.value">
<input type="text" value="${item.formula}" class="modal-inp" style="margin-top:5px;" onchange="CONFIG.side[${i}].formula=this.value">
<input type="text" value="${item.ranges.join(',')}" class="modal-inp" style="margin-top:5px;" onchange="CONFIG.side[${i}].ranges=this.value.split(',').map(Number)">
</div>
`).join('');
document.getElementById('sideConfModal').style.display = 'flex';
}
function saveSideConfig() {
localStorage.setItem('deribit_chain_config', JSON.stringify(CONFIG));
renderSidebar();
closeModal('sideConfModal');
}
function resetSideConfig() {
CONFIG.side = JSON.parse(JSON.stringify(DEFAULTS.side));
saveSideConfig();
}
function resetConfig() {
CONFIG = JSON.parse(JSON.stringify(DEFAULTS));
saveConfig();
saveSideConfig();
}
function closeModal(id) {
document.getElementById(id).style.display = 'none';
}
</script>
</body>
</html>
"""
if __name__ == "__main__":
uvicorn.run(app, host=HOST, port=PORT) |