igneum/site/live.html
igneum-labs 309ac87990 Live page: block DAG redrawn for 20 miners at 4 blocks/s
One lane per miner ranked by share, overflow in an others lane with a count.
Lane labels in a left gutter in the miner's colour (3-character tag on phones).
No per-block labels: short id on the chain tip, the lock, and on hover or tap
with a canvas tooltip (id, blue, DAA, parents, chain or side). Same-lane
overlaps nudged in a fixed sequence. Chain as one path, side blocks linked to
their first parent only, clamped cubics so no edge becomes a tall loop. Block
size and time scale step down together at density. One rAF loop, DPR aware,
paused when hidden or scrolled out. Final band and lock marker. Before and
after screenshots in docs/design/live-dag.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
2026-10-04 09:49:57 +00:00

447 lines
34 KiB
HTML

<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
<title>Igneum live devnet</title>
<meta name="description" content="The Igneum devnet as it runs: blocks, miners, difficulty and peers, read from a node every two seconds.">
<link rel="canonical" href="https://igneum.network/live">
<meta name="theme-color" content="#0C0C0E">
<meta property="og:type" content="website">
<meta property="og:site_name" content="Igneum">
<meta property="og:title" content="Igneum live devnet">
<meta property="og:description" content="The Igneum devnet as it runs: blocks, miners, difficulty and peers, read from a node every two seconds.">
<meta property="og:url" content="https://igneum.network/live">
<meta property="og:image" content="https://igneum.network/og-small.png">
<meta property="og:image:width" content="256">
<meta property="og:image:height" content="256">
<meta property="og:image:alt" content="Igneum. Mined by GPUs. Proven by fire.">
<meta name="twitter:card" content="summary">
<meta name="twitter:title" content="Igneum live devnet">
<meta name="twitter:description" content="The Igneum devnet as it runs: blocks, miners, difficulty and peers, read from a node every two seconds.">
<meta name="twitter:image" content="https://igneum.network/og-small.png">
<meta name="twitter:image:alt" content="Igneum. Mined by GPUs. Proven by fire.">
<link rel="icon" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='48' fill='%230C0C0E'/%3E%3Ccircle cx='50' cy='50' r='45' fill='none' stroke='%23F2541B' stroke-width='6'/%3E%3Cg transform='translate(24 24) scale(0.52)'%3E%3Cpolygon points='50,4 74,34 67,58 80,54 61,96 39,96 20,54 33,58 26,34' fill='%23F2541B'/%3E%3Cpolygon points='50,42 59,58 50,82 41,58' fill='%230C0C0E'/%3E%3C/g%3E%3C/svg%3E" type="image/svg+xml" type="image/svg+xml">
<link rel="icon" href="/favicon.ico" sizes="48x48">
<link rel="icon" href="/icon-192.png" type="image/png" sizes="192x192">
<link rel="icon" href="/icon-512.png" type="image/png" sizes="512x512">
<link rel="apple-touch-icon" href="/apple-touch-icon.png" sizes="180x180">
<link rel="manifest" href="/site.webmanifest">
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Unbounded:wght@500;700;900&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap">
<style>
:root{--obsidian:#0C0C0E;--graphite:#16161A;--line:#2A2A30;--line-2:#3A3A42;--ember:#F2541B;--molten:#FFB35C;--bone:#F4F1EC;--ash:#9A9A9E;--ink-2:#C9C7C2;--ember-ink:#0C0C0E;
/* one system for every page: container, gutter, section rhythm, card and tile boxes, heading scale (same tokens as the homepage) */
--max:1200px;--gutter:clamp(16px,4vw,32px);--sec:clamp(56px,8vw,96px);--head:clamp(40px,6vw,64px);
--card-pad:clamp(18px,3vw,28px);--card-r:18px;--tile-pad:18px 20px;--tile-r:14px;--gap:24px;--gap-tile:12px;
--fs-hero:clamp(40px,7vw,76px);--fs-h1:clamp(32px,5.5vw,56px);--fs-h2:clamp(28px,4.2vw,44px);--fs-h3:clamp(18px,2vw,22px);--fs-tile:clamp(20px,2.2vw,26px)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--obsidian);color:var(--bone);font-family:'IBM Plex Sans',system-ui,-apple-system,sans-serif;font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
a:hover{color:var(--molten)}
a:focus-visible,button:focus-visible{outline:2px solid var(--ember);outline-offset:3px;border-radius:6px}
img,svg,canvas{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--gutter)}
.mono{font-family:'IBM Plex Mono',monospace}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--ash)}
h1,h2,h3{font-family:'Unbounded',sans-serif;margin:0;line-height:1.08;text-wrap:balance}
h1{font-weight:900;font-size:var(--fs-h1);letter-spacing:-.01em}
h2{font-weight:700;font-size:var(--fs-h3)}
p{margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;border-radius:10px;font-weight:600;font-size:16px;border:1px solid var(--line-2);color:var(--bone);background:transparent;cursor:pointer}
.btn.primary{background:var(--ember);color:var(--ember-ink);border-color:var(--ember)}
.btn.primary:hover{background:#FF6A2B;border-color:#FF6A2B;color:var(--ember-ink)}
.card{background:var(--graphite);border:1px solid var(--line);border-radius:var(--card-r);padding:var(--card-pad);min-width:0}
/* nav, same as the homepage */
.nav{position:sticky;top:0;z-index:20;background:rgba(12,12,14,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(42,42,48,.6)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px}
.brand .word{font-family:'Unbounded',sans-serif;font-weight:900;font-size:20px;letter-spacing:.06em}
.links{display:flex;align-items:center;gap:26px;font-size:15px;font-weight:500}
.links .btn{min-height:42px;padding:10px 16px;font-size:15px}
.links a.here{color:var(--molten)}
.burger{display:none;background:none;border:1px solid var(--line-2);color:var(--bone);border-radius:10px;width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer}
@media (max-width:900px){
.links{display:none;position:absolute;left:0;right:0;top:68px;background:var(--obsidian);border-bottom:1px solid var(--line);padding:16px var(--gutter) 24px;flex-direction:column;align-items:stretch;gap:6px}
.links a{padding:12px 6px;border-radius:8px}
.links .btn{width:100%;margin-top:6px}
.links.open{display:flex}
.burger{display:inline-flex}
}
/* page */
.head{padding-block:var(--head) var(--gap);display:flex;flex-direction:column;gap:14px}
.head p{color:var(--ink-2);max-width:60ch;font-size:16px}
.strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap-tile);margin-bottom:var(--gap)}
@media (max-width:700px){.strip{grid-template-columns:repeat(2,minmax(0,1fr))}}
.cell{background:var(--graphite);border:1px solid var(--line);border-radius:var(--tile-r);padding:var(--tile-pad);display:flex;flex-direction:column;gap:6px;min-width:0}
.cell .k{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ash)}
.cell .v{font-family:'Unbounded',sans-serif;font-weight:700;font-size:var(--fs-tile);line-height:1.1;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cell .v.name{font-family:'IBM Plex Mono',monospace;font-size:15px;font-weight:500}
.cell .s{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--ash);text-wrap:balance}
.cell.status .v{display:flex;align-items:center;gap:10px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--molten);display:inline-block;flex:0 0 10px;animation:pulse 2s ease-in-out infinite}
.off .dot{background:var(--ash);animation:none}
.off .cell.status .v{color:var(--ash)}
.on .cell.status .v{color:var(--molten)}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(255,179,92,.5)}50%{box-shadow:0 0 0 8px rgba(255,179,92,0)}}
@media (prefers-reduced-motion:reduce){.dot{animation:none}}
.viz-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 20px;margin-bottom:12px}
.viz-stats{display:flex;flex-wrap:wrap;gap:14px 18px;font-size:12px;color:var(--ash)}
.viz-stats b{color:var(--bone);font-weight:500;font-variant-numeric:tabular-nums}
#dag{display:block;width:100%;height:clamp(240px,38vw,380px);border-radius:12px;background:var(--obsidian);touch-action:pan-y}
.legend{display:flex;flex-wrap:wrap;gap:16px 20px;margin-top:16px;font-size:13px;color:var(--ink-2)}
.legend span{display:inline-flex;align-items:center;gap:8px}
.sw{width:14px;height:14px;border-radius:4px;display:inline-block}
.two{display:grid;gap:var(--gap);grid-template-columns:1fr;margin-top:var(--gap)}
@media (min-width:900px){.two{grid-template-columns:1.1fr .9fr}}
.tbl{overflow-x:auto;margin-top:12px;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{padding:10px 10px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ash);font-weight:500}
td.n{font-variant-numeric:tabular-nums;text-align:right}th.n{text-align:right}
tr:last-child td{border-bottom:0}
.id{font-family:'IBM Plex Mono',monospace;color:var(--molten)}
.bar{height:6px;border-radius:3px;background:var(--line);overflow:hidden;min-width:60px}
.bar i{display:block;height:100%;background:var(--ember)}
.feed{display:flex;flex-direction:column;margin-top:12px;font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--ink-2)}
.feed div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:9px 0;align-items:baseline}
.feed div:last-child{border-bottom:0}
.feed .t{color:var(--ash);flex:0 0 auto;font-size:12px}
.feed .k{color:var(--molten)}
.empty{color:var(--ash);font-size:14px;padding:12px 0}
#spark{display:block;width:100%;height:120px;border-radius:12px;background:var(--obsidian);margin-top:12px}
.note{font-size:13px;color:var(--ash);margin-top:14px}
main{padding-bottom:var(--sec)}
/* footer, same as the homepage */
footer{border-top:1px solid var(--line);padding-block:48px 32px}
.foot-grid{display:grid;gap:32px;grid-template-columns:1fr;margin-bottom:32px}
@media (min-width:720px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr}}
.foot-brand p{color:var(--ash);font-size:15px;margin-top:12px;max-width:40ch}
.foot-col{display:flex;flex-direction:column;gap:10px;font-size:15px}
.foot-col .eyebrow{margin-bottom:6px}
.foot-col a{color:var(--ink-2)}
.foot-base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:24px;font-size:13px;color:var(--ash)}
.foot-base span{text-wrap:balance}
</style>
</head>
<body class="off">
<nav class="nav" aria-label="Main">
<div class="wrap">
<a href="/" class="brand" aria-label="Igneum home">
<svg viewBox="0 0 100 100" width="30" height="30" aria-hidden="true"><polygon points="50,4 74,34 67,58 80,54 61,96 39,96 20,54 33,58 26,34" fill="#F2541B"></polygon><polygon points="50,42 59,58 50,82 41,58" fill="#0C0C0E"></polygon></svg>
<span class="word">IGNEUM</span>
</a>
<button class="burger" id="burger" aria-expanded="false" aria-controls="links" aria-label="Menu"><svg viewBox="0 0 24 24" width="22" height="22" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" aria-hidden="true"><path d="M4 7h16M4 12h16M4 17h16"></path></svg></button>
<div class="links" id="links">
<a href="/#mine">Mine</a>
<a href="/#prove">Prove</a>
<a href="/#build">Build</a>
<a href="/#randomx">vs RandomX</a>
<a href="/#journey">Journey</a>
<a href="/#economics">Economics</a>
<a href="/litepaper">Litepaper</a>
<a href="/bench">Log</a>
<a href="/live" class="here" aria-current="page">Live</a>
<a href="/#mine" class="btn primary">Get the miner</a>
</div>
</div>
</nav>
<main class="wrap">
<div class="head">
<div class="eyebrow">devnet v0</div>
<h1>Live devnet</h1>
<p>A node is read every two seconds. Every block below is real: its parents, its miner, whether it sits on the selected chain, and whether it is a locked checkpoint. A checkpoint locks when the finality rule's quorum signs it. Proving is not in the devnet yet.</p>
</div>
<div class="strip" aria-live="polite">
<div class="cell status"><div class="k">Status</div><div class="v"><span class="dot"></span><span id="st-status">OFFLINE</span></div><div class="s" id="st-age">no observer update yet</div></div>
<div class="cell"><div class="k">Network</div><div class="v name" id="st-network">igneum-devnet</div><div class="s" id="st-node">node</div></div>
<div class="cell"><div class="k">Blocks / s</div><div class="v" id="st-bps">0.00</div><div class="s">over 60 s</div></div>
<div class="cell"><div class="k">Blue score</div><div class="v" id="st-blue">0</div><div class="s" id="st-count">0 blocks</div></div>
<div class="cell"><div class="k">Difficulty</div><div class="v" id="st-diff">0</div><div class="s">target per block</div></div>
<div class="cell"><div class="k">Hash rate</div><div class="v" id="st-hps">0</div><div class="s">network estimate</div></div>
<div class="cell"><div class="k">Miners</div><div class="v" id="st-miners">0</div><div class="s">active in 10 min</div></div>
<div class="cell"><div class="k">Peers</div><div class="v" id="st-peers">0</div><div class="s" id="st-mempool">mempool 0</div></div>
</div>
<div class="card" aria-label="Block DAG, live">
<div class="viz-head">
<div class="eyebrow"><span class="dot" style="margin-right:8px"></span>block dag</div>
<div class="viz-stats mono"><span>on screen <b id="c-screen">0</b></span><span>chain <b id="c-chain">0</b></span><span>side <b id="c-side">0</b></span><span>newest blue <b id="c-newest">0</b></span><span>locked <b id="c-locked">none</b></span></div>
</div>
<canvas id="dag" aria-hidden="true"></canvas>
<div class="legend">
<span><i class="sw" style="background:var(--ember)"></i>chain block</span>
<span><i class="sw" style="border:2px solid var(--ash)"></i>side block (blue or red, off the selected chain)</span>
<span><i class="sw" style="border:2px solid var(--molten);border-radius:50%;background:transparent"></i>locked checkpoint, final</span>
<span><i class="sw" style="border:2px solid var(--molten);box-shadow:0 0 8px rgba(255,179,92,.7)"></i>just arrived</span>
<span><i class="sw" style="width:22px;height:0;border-top:2px solid var(--ember)"></i>selected chain</span>
<span><i class="sw" style="width:22px;height:0;border-top:1px solid var(--ash)"></i>first parent of a side block</span>
<span><span class="mono" style="color:#5CB8FF">5d3fd79c</span>one lane per miner, colour from its id</span>
<span style="color:var(--ash)">hover or tap a block for its id, scores and parents</span>
</div>
</div>
<div class="two">
<div class="card">
<div class="viz-head"><h2>Miners</h2><div class="eyebrow">last 10 min</div></div>
<div class="tbl">
<table>
<thead><tr><th>Miner</th><th class="n">Blocks</th><th>Share</th><th>Last seen</th><th>Engine</th></tr></thead>
<tbody id="miners"><tr><td colspan="5" class="empty">No blocks in the last 10 minutes.</td></tr></tbody>
</table>
</div>
<p class="note">The short id is the first 8 hex characters of the vote key hash in each header. The engine is what the miner writes into the coinbase; the devnet miner writes nothing yet.</p>
</div>
<div class="card">
<div class="viz-head"><h2>Events</h2><div class="eyebrow">newest first</div></div>
<div class="feed" id="events"><div class="empty">No events yet.</div></div>
</div>
</div>
<div class="card" style="margin-top:var(--gap)">
<div class="viz-head"><h2>Blocks per minute</h2><div class="eyebrow" id="spark-range">last hour</div></div>
<canvas id="spark" aria-hidden="true"></canvas>
<p class="note" id="spark-note">Counted by the observer as blocks arrive.</p>
</div>
</main>
<footer>
<div class="wrap">
<div class="foot-grid">
<div class="foot-brand">
<div class="brand"><svg viewBox="0 0 100 100" width="26" height="26" aria-hidden="true"><polygon points="50,4 74,34 67,58 80,54 61,96 39,96 20,54 33,58 26,34" fill="#F2541B"></polygon><polygon points="50,42 59,58 50,82 41,58" fill="#0C0C0E"></polygon></svg><span class="word" style="font-size:16px;color:var(--bone)">IGNEUM</span></div>
<p>Mined by GPUs. Proven by fire.</p>
</div>
<nav class="foot-col" aria-label="Read">
<div class="eyebrow">Read</div>
<a href="/litepaper">Litepaper</a>
<a href="/litepaper#limits">What Igneum does not claim</a>
<a href="/litepaper#randomx">Igneum vs RandomX</a>
<a href="/bench">Engineering log</a>
</nav>
<nav class="foot-col" aria-label="Follow">
<div class="eyebrow">Follow</div>
<a href="/#journey">Journey</a>
<a href="/live">Live devnet</a>
<a href="https://github.com/igneum-network/spec" rel="noopener" style="display:inline-flex;align-items:center;gap:6px"><svg viewBox="0 0 24 24" width="15" height="15" fill="currentColor" aria-hidden="true"><path d="M12 .5C5.7.5.5 5.7.5 12c0 5.1 3.3 9.4 7.9 10.9.6.1.8-.3.8-.6v-2.1c-3.2.7-3.9-1.4-3.9-1.4-.5-1.3-1.3-1.7-1.3-1.7-1-.7.1-.7.1-.7 1.2.1 1.8 1.2 1.8 1.2 1 1.8 2.7 1.3 3.4 1 .1-.8.4-1.3.7-1.6-2.6-.3-5.3-1.3-5.3-5.7 0-1.3.5-2.3 1.2-3.1-.1-.3-.5-1.5.1-3.1 0 0 1-.3 3.2 1.2.9-.3 1.9-.4 2.9-.4s2 .1 2.9.4c2.2-1.5 3.2-1.2 3.2-1.2.6 1.6.2 2.8.1 3.1.8.8 1.2 1.8 1.2 3.1 0 4.4-2.7 5.4-5.3 5.7.4.4.8 1.1.8 2.2v3.2c0 .3.2.7.8.6 4.6-1.5 7.9-5.8 7.9-10.9C23.5 5.7 18.3.5 12 .5z"/></svg>GitHub</a>
<a href="/#mine">Get the miner</a>
</nav>
</div>
<div class="foot-base">
<span>© 2026 Igneum. Nothing on this page is an offer to sell anything.</span>
<span class="mono">igneum.network</span>
</div>
</div>
</footer>
<script>
(function(){
var reduce=window.matchMedia('(prefers-reduced-motion: reduce)').matches;
var dpr=Math.min(2,window.devicePixelRatio||1);
// nav
var burger=document.getElementById('burger'),links=document.getElementById('links');
burger.addEventListener('click',function(){var open=links.classList.toggle('open');burger.setAttribute('aria-expanded',open?'true':'false');});
// formatting
function $(id){return document.getElementById(id);}
function compact(n){if(n===null||n===undefined||isNaN(n))return '0';var a=Math.abs(n);if(a>=1e12)return (n/1e12).toFixed(2)+'T';if(a>=1e9)return (n/1e9).toFixed(2)+'G';if(a>=1e6)return (n/1e6).toFixed(2)+'M';if(a>=1e3)return (n/1e3).toFixed(1)+'k';return String(Math.round(n));}
function hashrate(n){if(n===null||n===undefined)return 'n/a';var u=['H/s','kH/s','MH/s','GH/s','TH/s'],i=0;while(n>=1000&&i<u.length-1){n/=1000;i++;}return (i?n.toFixed(1):Math.round(n))+' '+u[i];}
function rel(ms){var s=Math.max(0,Math.round(ms/1000));if(s<60)return s+' s ago';var m=Math.floor(s/60);if(m<60)return m+' min ago';var h=Math.floor(m/60);if(h<24)return h+' h '+(m%60)+' min ago';return Math.floor(h/24)+' d ago';}
function esc(s){return String(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');}
// ---------- DAG scene ----------
// One canvas, one requestAnimationFrame loop. Lanes: one per miner in the visible window, most blocks on top,
// the least active share an "others" lane. Labels live in a left gutter, never on blocks. Edges go under blocks.
var c=$('dag'),x=c.getContext('2d'),W=0,H=0,S=22,G=78,narrow=false,level=0,maxLanes=8;
var blocks=[],byHash={},miners={},lanes=[],laneN=1,othersN=0;
var LV=[{S:22,s:14,pps:40,npps:28},{S:16,s:12,pps:26,npps:20},{S:12,s:10,pps:18,npps:14}];
var pxPerSec=40,targetPx=40,bps=0,live=false,serverNow=0,serverAt=0,frozenAt=null,note='';
var running=false,needSize=true,inView=true,ptrX=-1,ptrY=-1,ptrTouch=false,pin=null,laneLast=[],laneRun=[];
var TOP=20,BOT=12;
// 12 hues that sit beside ember on obsidian; the index comes from the short id, so a miner keeps its colour across reloads
var PAL=['#5CB8FF','#3FD39A','#F5C542','#C49BFF','#FF7AA8','#8FD15F','#FFB08A','#6F8CFF','#D9E25A','#FF8FD6','#4FD8D8','#E0A96D'];
function colour(id){var v=0;for(var i=0;i<id.length;i++)v=(v*33+id.charCodeAt(i))>>>0;return PAL[v%PAL.length];}
function jitter(h){var v=0;for(var i=0;i<8;i++)v=(v*31+h.charCodeAt(i))%1000;return v/1000-0.5;}
function vnow(){if(frozenAt!==null)return frozenAt;return serverNow+(performance.now()-serverAt);}
function laneY(l){var u=H-TOP-BOT,p=u/Math.max(1,laneN);return TOP+(l+0.5)*p;}
function size(){
needSize=false;W=c.clientWidth;H=c.clientHeight;if(!W||!H)return;
c.width=Math.round(W*dpr);c.height=Math.round(H*dpr);x.setTransform(dpr,0,0,dpr,0,0);
narrow=W<560;G=narrow?36:80;applyLevel();
}
function applyLevel(){
var L=LV[level];S=narrow?L.s:L.S;targetPx=narrow?L.npps:L.pps;
maxLanes=Math.max(2,Math.min(14,Math.floor((H-TOP-BOT)/(S*1.7))));
layoutLanes();
}
function pickLevel(){
// projected blocks on screen at the base scale drives the step, with hysteresis so it never flickers
var proj=bps*(W-G)/(narrow?LV[0].npps:LV[0].pps),up=[48,110],down=[36,85],next=level;
if(level<2&&proj>up[level])next=level+1;else if(level>0&&proj<down[level-1])next=level-1;
if(next!==level){level=next;applyLevel();}
}
function layoutLanes(){
// rank miners by blocks in the window; one lane each, the overflow shares the last lane with a count
var ids=Object.keys(miners);
ids.sort(function(a,b){return miners[b].n-miners[a].n||(a<b?-1:1);});
laneN=Math.max(1,Math.min(maxLanes,ids.length));
othersN=ids.length>laneN?ids.length-(laneN-1):0;
lanes=[];
ids.forEach(function(id,i){var m=miners[id],l=othersN&&i>=laneN-1?laneN-1:i;m.lane=l;if(m.y===undefined)m.y=laneY(l);if(!othersN||l<laneN-1)lanes[l]=m;});
while(laneLast.length<laneN){laneLast.push(0);laneRun.push(0);}
}
function ingest(d){
var now=performance.now();serverNow=new Date(d.now).getTime();serverAt=now;
d.blocks.forEach(function(b){var e=byHash[b.hash];
if(e){e.chain=b.chain;e.locked=!!b.locked;e.final=!!b.final;return;}
e={hash:b.hash,ts:b.ts,blue_score:b.blue_score,daa:b.daa,parents:b.parents||[],chain:b.chain,miner:b.miner||'?',born:now,j:jitter(b.hash),locked:!!b.locked,final:!!b.final,px:0,py:0,on:false};
byHash[b.hash]=e;blocks.push(e);});
var cut=vnow()-((W-G)/Math.max(8,pxPerSec))*1000-20000;
blocks=blocks.filter(function(b){var keep=b.ts>cut;if(!keep)delete byHash[b.hash];return keep;});
blocks.sort(function(a,b){return a.ts-b.ts;});
for(var id in miners)miners[id].n=0;
blocks.forEach(function(b){var m=miners[b.miner];if(!m){m=miners[b.miner]={id:b.miner,n:0,col:colour(b.miner),tag:b.miner.slice(0,3),lane:0};}m.n++;});
for(id in miners)if(!miners[id].n)delete miners[id];
bps=d.state.blocks_per_second_60s||0;
pickLevel();layoutLanes();
var vis=vnow()-((W-G)/Math.max(8,targetPx))*1000,on=0,chain=0;
blocks.forEach(function(b){if(b.ts>vis){on++;if(b.chain)chain++;}});
$('c-screen').textContent=on;$('c-chain').textContent=chain;$('c-side').textContent=on-chain;
$('c-newest').textContent=blocks.length?compact(blocks[blocks.length-1].blue_score):'0';
var f=d.finality;$('c-locked').textContent=f&&f.latest_locked_index?('#'+f.latest_locked_index+' at blue '+compact(f.latest_locked_blue_score)):(f&&f.supported?'none yet':'n/a');
if(!running&&!document.hidden)kick();
}
function rrect(px,py,w,h,r){x.beginPath();x.moveTo(px+r,py);x.lineTo(px+w-r,py);x.quadraticCurveTo(px+w,py,px+w,py+r);x.lineTo(px+w,py+h-r);x.quadraticCurveTo(px+w,py+h,px+w-r,py+h);x.lineTo(px+r,py+h);x.quadraticCurveTo(px,py+h,px,py+h-r);x.lineTo(px,py+r);x.quadraticCurveTo(px,py,px+r,py);x.closePath();}
// a cubic with horizontal tangents; the control offset is clamped so a link across many lanes reads as a gentle S, never a loop
function link(a,b){var d=Math.max(S*0.6,Math.min(48,Math.abs(b.px-a.px)*0.5));x.moveTo(a.px,a.py);x.bezierCurveTo(a.px+d,a.py,b.px-d,b.py,b.px,b.py);}
function hit(){
var best=null,bd=S*0.9,qx=ptrX,qy=ptrY;
if(pin){var p=byHash[pin];return p&&p.on?p:null;}
if(qx<0)return null;
for(var i=0;i<blocks.length;i++){var b=blocks[i];if(!b.on)continue;var dx=Math.abs(b.px-qx),dy=Math.abs(b.py-qy);if(dx<bd&&dy<bd&&dx+dy<bd*1.5){best=b;bd=Math.max(dx,dy);}}
return best;
}
function draw(now){
if(needSize)size();if(!W||!H)return;
pxPerSec+=(targetPx-pxPerSec)*0.06;
var t=vnow(),xr=W-S,i,b,m,n=blocks.length,id;
for(id in miners){m=miners[id];var ty=laneY(m.lane);m.y+=(ty-m.y)*0.12;if(Math.abs(ty-m.y)<0.05)m.y=ty;}
for(i=0;i<laneN;i++){laneLast[i]=-1e9;laneRun[i]=0;}
// positions: time on x, lane on y; same-lane neighbours closer than a block are nudged up and down in a fixed sequence
for(i=0;i<n;i++){b=blocks[i];m=miners[b.miner];if(!m)continue;var l=m.lane;b.px=Math.min(xr,xr-(t-b.ts)*pxPerSec/1000);
if(b.px-laneLast[l]<S*1.25)laneRun[l]++;else laneRun[l]=0;laneLast[l]=b.px;
var k=laneRun[l]%3,dy=k===0?0:(k===1?1:-1)*S*0.62;b.py=m.y+dy;b.on=b.px>G-S;}
x.clearRect(0,0,W,H);
// final region: everything left of the newest locked checkpoint
var lk=null,fx=-1;
for(i=0;i<n;i++){b=blocks[i];if(b.locked&&(!lk||b.ts>lk.ts))lk=b;if(b.final&&b.px>fx)fx=b.px;}
if(lk)fx=lk.px;
if(fx>G){x.fillStyle='rgba(242,84,27,0.06)';x.fillRect(G,0,fx-G,H);x.strokeStyle='rgba(255,179,92,0.55)';x.lineWidth=1;x.setLineDash([4,5]);x.beginPath();x.moveTo(fx,4);x.lineTo(fx,H-4);x.stroke();x.setLineDash([]);}
// lane rails
x.strokeStyle='rgba(42,42,48,0.75)';x.lineWidth=1;x.beginPath();for(i=0;i<laneN;i++){var y=Math.round(laneY(i))+0.5;x.moveTo(G,y);x.lineTo(W,y);}x.stroke();
x.save();x.beginPath();x.rect(G,0,W-G,H);x.clip();
// side links: each side block to its first parent on screen, faint and short
x.strokeStyle='rgba(154,154,158,0.3)';x.lineWidth=1;x.beginPath();
for(i=0;i<n;i++){b=blocks[i];if(b.chain||!b.on)continue;var q=byHash[b.parents[0]];if(q&&q.px>G-S*2)link(q,b);}
x.stroke();
// the selected chain as one path through the chain blocks
x.strokeStyle=level?'rgba(242,84,27,0.6)':'rgba(242,84,27,0.85)';x.lineWidth=narrow||level?1.5:2;x.beginPath();var prev=null;
for(i=0;i<n;i++){b=blocks[i];if(!b.chain)continue;if(prev&&b.px>G-S*2)link(prev,b);prev=b;}
x.stroke();
// hovered block: all of its parent edges, bright
var hv=hit();
if(hv){x.strokeStyle='rgba(255,179,92,0.9)';x.lineWidth=1.5;x.beginPath();for(i=0;i<hv.parents.length;i++){var pq=byHash[hv.parents[i]];if(pq)link(pq,hv);}x.stroke();}
// blocks
var h=S/2,r=S*0.24,tip=null;
for(i=0;i<n;i++){b=blocks[i];if(!b.on)continue;m=miners[b.miner];var age=now-b.born,fl=age<900?1-age/900:0;
if(fl>0){var g=x.createRadialGradient(b.px,b.py,0,b.px,b.py,S*1.6);g.addColorStop(0,'rgba(255,179,92,'+(0.5*fl)+')');g.addColorStop(1,'rgba(255,179,92,0)');x.fillStyle=g;x.beginPath();x.arc(b.px,b.py,S*1.6,0,Math.PI*2);x.fill();}
if(b.chain){x.fillStyle='#F2541B';rrect(b.px-h,b.py-h,S,S,r);x.fill();x.strokeStyle=m?m.col:'#9A9A9E';x.lineWidth=1.5;rrect(b.px-h-1,b.py-h-1,S+2,S+2,r+1);x.stroke();tip=b;}
else{x.fillStyle='#0C0C0E';rrect(b.px-h,b.py-h,S,S,r);x.fill();x.strokeStyle=fl>0?'rgba(255,179,92,0.95)':'rgba(154,154,158,0.85)';x.lineWidth=1.5;rrect(b.px-h,b.py-h,S,S,r);x.stroke();}
if(fl>0&&b.chain){x.strokeStyle='rgba(255,179,92,'+fl+')';x.lineWidth=2;rrect(b.px-h-3,b.py-h-3,S+6,S+6,r+2);x.stroke();}
if(b.locked){x.strokeStyle='#FFB35C';x.lineWidth=2.5;x.beginPath();x.arc(b.px,b.py,S*0.95,0,Math.PI*2);x.stroke();}
if(hv===b){x.strokeStyle='#F4F1EC';x.lineWidth=1.5;rrect(b.px-h-3,b.py-h-3,S+6,S+6,r+2);x.stroke();}}
x.font='500 10px IBM Plex Mono, monospace';
// the chain tip carries its short id; nothing else is labelled unless hovered, pinned or locked
if(tip){x.fillStyle='rgba(244,241,236,0.92)';x.textAlign='right';var ly=tip.py-h-6;if(ly<10){ly=tip.py+h+12;}x.fillText(tip.hash.slice(0,8),Math.min(W-4,tip.px+h+2),ly);}
if(fx>G){var ft=lk?'final #'+lk.hash.slice(0,8):'final',fw=x.measureText(ft).width;x.fillStyle='#FFB35C';
if(fx-G>fw+14){x.textAlign='right';x.fillText(ft,fx-6,12);}else{x.textAlign='left';x.fillText(ft,fx+6,12);}}
// tooltip on the canvas, no DOM
if(hv){var l1=hv.hash.slice(0,8)+(hv.locked?' locked':(hv.chain?' chain':' side')),l2='blue '+compact(hv.blue_score)+' daa '+compact(hv.daa),l3=hv.parents.length+(hv.parents.length===1?' parent':' parents')+' '+hv.miner;
var tw=Math.max(x.measureText(l1).width,x.measureText(l2).width,x.measureText(l3).width)+20,th=52,tx=hv.px+h+10,tty=hv.py-th/2;
if(tx+tw>W-4)tx=hv.px-h-10-tw;if(tx<G+4)tx=G+4;tty=Math.max(4,Math.min(H-th-4,tty));
x.fillStyle='rgba(22,22,26,0.96)';rrect(tx,tty,tw,th,6);x.fill();x.strokeStyle=miners[hv.miner]?miners[hv.miner].col:'#3A3A42';x.lineWidth=1;rrect(tx+0.5,tty+0.5,tw-1,th-1,6);x.stroke();
x.textAlign='left';x.fillStyle='#F4F1EC';x.fillText(l1,tx+10,tty+16);x.fillStyle='#C9C7C2';x.fillText(l2,tx+10,tty+31);x.fillStyle='#9A9A9E';x.fillText(l3,tx+10,tty+46);}
x.restore();
// gutter: lane labels in the miner's colour, over anything that scrolled under it
x.fillStyle='#0C0C0E';x.fillRect(0,0,G,H);x.strokeStyle='rgba(42,42,48,0.9)';x.lineWidth=1;x.beginPath();x.moveTo(G-0.5,0);x.lineTo(G-0.5,H);x.stroke();
x.textAlign='left';x.font='500 '+(narrow?10:11)+'px IBM Plex Mono, monospace';
for(i=0;i<laneN;i++){var ly2=laneY(i)+4,lm=lanes[i];
if(lm){x.fillStyle=lm.col;x.fillText(narrow?lm.tag:lm.id,8,ly2);}
else{x.fillStyle='rgba(154,154,158,0.9)';x.fillText(narrow?'+'+othersN:'+'+othersN+' more',8,ly2);}}
if(!n){x.fillStyle='rgba(154,154,158,0.9)';x.font='500 13px IBM Plex Mono, monospace';x.textAlign='center';x.fillText(live?'waiting for the first block':'no observer data',G+(W-G)/2,H/2);}
if(note){x.fillStyle='rgba(12,12,14,0.72)';x.fillRect(0,H/2-22,W,44);x.fillStyle='#F4F1EC';x.font='500 13px IBM Plex Mono, monospace';x.textAlign='center';x.fillText(note,W/2,H/2+5);}
}
function frame(now){if(!running)return;draw(now);requestAnimationFrame(frame);}
function start(){if(running||reduce)return;if(document.hidden||!inView)return;running=true;requestAnimationFrame(frame);}
function stop(){running=false;}
function kick(){if(!running)requestAnimationFrame(function(now){draw(now);});}
document.addEventListener('visibilitychange',function(){if(document.hidden)stop();else start();});
if('IntersectionObserver' in window){new IntersectionObserver(function(es){inView=es[0].isIntersecting;if(inView)start();else stop();},{threshold:0}).observe(c);}
if('ResizeObserver' in window){new ResizeObserver(function(){needSize=true;kick();}).observe(c);}
else window.addEventListener('resize',function(){needSize=true;kick();});
c.addEventListener('pointermove',function(e){if(e.pointerType==='touch')return;ptrX=e.offsetX;ptrY=e.offsetY;pin=null;if(reduce)kick();});
c.addEventListener('pointerleave',function(){ptrX=-1;ptrY=-1;if(reduce)kick();});
c.addEventListener('pointerdown',function(e){if(e.pointerType!=='touch')return;ptrX=e.offsetX;ptrY=e.offsetY;var old=pin;pin=null;var b=hit();pin=b&&b.hash!==old?b.hash:null;ptrX=-1;ptrY=-1;if(reduce)kick();});
start();
// ---------- sparkline ----------
var sc=$('spark'),sx=sc.getContext('2d');
function spark(pairs){var w=sc.clientWidth,h=sc.clientHeight;sc.width=w*dpr;sc.height=h*dpr;sx.setTransform(dpr,0,0,dpr,0,0);sx.clearRect(0,0,w,h);
if(!pairs||!pairs.length){sx.fillStyle='rgba(154,154,158,0.9)';sx.font='500 12px IBM Plex Mono, monospace';sx.textAlign='center';sx.fillText('no data yet',w/2,h/2);return;}
var vals=pairs.map(function(p){return p[1];}),max=Math.max(1,Math.max.apply(null,vals)),pad=10,n=vals.length;
function px(i){return pad+i*(w-2*pad)/Math.max(1,n-1);}function py(v){return h-pad-(v/max)*(h-2*pad-12);}
sx.strokeStyle='rgba(42,42,48,0.9)';sx.lineWidth=1;sx.beginPath();sx.moveTo(pad,py(0));sx.lineTo(w-pad,py(0));sx.stroke();
sx.beginPath();sx.moveTo(px(0),py(0));vals.forEach(function(v,i){sx.lineTo(px(i),py(v));});sx.lineTo(px(n-1),py(0));sx.closePath();sx.fillStyle='rgba(242,84,27,0.14)';sx.fill();
sx.beginPath();vals.forEach(function(v,i){i?sx.lineTo(px(i),py(v)):sx.moveTo(px(i),py(v));});sx.strokeStyle='#F2541B';sx.lineWidth=2;sx.lineJoin='round';sx.stroke();
var li=n-1;sx.fillStyle='#FFB35C';sx.beginPath();sx.arc(px(li),py(vals[li]),3,0,Math.PI*2);sx.fill();
sx.fillStyle='rgba(154,154,158,0.9)';sx.font='500 10px IBM Plex Mono, monospace';sx.textAlign='left';sx.fillText('max '+max+' / min',pad,12);sx.textAlign='right';sx.fillText('now',w-pad,12);
var total=vals.reduce(function(a,b){return a+b;},0);$('spark-note').textContent=total+' blocks in the last hour, '+(total/60).toFixed(1)+' per minute on average.';}
// ---------- polling ----------
var minersEl=$('miners'),eventsEl=$('events'),failures=0;
function setStatus(on,ageText){document.body.className=on?'on':'off';$('st-status').textContent=on?'LIVE':'OFFLINE';$('st-age').textContent=ageText;}
function render(d){
var s=d.state,on=!s.stale;
setStatus(on,s.age_s===null?'no observer update yet':'observer updated '+rel(s.age_s*1000));
$('st-network').textContent=s.network||'igneum-devnet';$('st-node').textContent=s.node_version?'node '+s.node_version:'node';
$('st-bps').textContent=(s.blocks_per_second_60s||0).toFixed(2);
$('st-blue').textContent=compact(s.blue_score);$('st-count').textContent=compact(s.block_count)+' blocks';
$('st-diff').textContent=compact(s.difficulty);$('st-hps').textContent=hashrate(s.hashes_per_second_estimate);
$('st-miners').textContent=s.miners_10m;$('st-peers').textContent=s.peers===null?'0':s.peers;$('st-mempool').textContent='mempool '+(s.mempool||0);
var now=new Date(d.now).getTime();
if(d.miners.length){minersEl.innerHTML=d.miners.map(function(m){return '<tr><td><span class="id">'+esc(m.id)+'</span></td><td class="n">'+m.blocks+'</td><td><div style="display:flex;align-items:center;gap:8px"><div class="bar" style="width:70px"><i style="width:'+m.share+'%"></i></div><span class="mono" style="font-size:12px">'+m.share+'%</span></div></td><td>'+rel(now-new Date(m.last_seen).getTime())+'</td><td>'+(m.engine?esc(m.engine):'<span style="color:var(--ash)">not reported</span>')+'</td></tr>';}).join('');}
else minersEl.innerHTML='<tr><td colspan="5" class="empty">No blocks in the last 10 minutes.</td></tr>';
if(d.events.length){eventsEl.innerHTML=d.events.map(function(e){return '<div><span><span class="k">'+esc(e.kind)+'</span> '+esc(e.text)+'</span><span class="t">'+rel(now-new Date(e.ts).getTime())+'</span></div>';}).join('');}
else eventsEl.innerHTML='<div class="empty">No events yet.</div>';
spark(s.blocks_per_minute);
live=on;
if(on){frozenAt=null;note='';ingest(d);}
else{if(frozenAt===null)frozenAt=vnow()||now;note='observer offline, last update '+(s.age_s===null?'unknown':rel(s.age_s*1000));}
}
function poll(){fetch('/api/live',{cache:'no-store'}).then(function(r){if(!r.ok)throw new Error(r.status);return r.json();}).then(function(d){if(!d.ok)throw new Error(d.error);failures=0;render(d);}).catch(function(){failures++;if(failures>=3){setStatus(false,'api unreachable');if(frozenAt===null)frozenAt=vnow();note='api unreachable, scene frozen';}});}
poll();setInterval(poll,2000);
})();
</script>
</body>
</html>