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exchange landing: intro page + nginx :9014

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Hernâni Marques 2026-07-09 12:06:59 +02:00
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>GOA Exchange</title>
<base href="/intro/" />
<style>
:root {
--bg: #1a1410; --card: rgba(42, 32, 24, 0.82); --text: #fff6e8; --muted: #c9b8a0;
--accent2: #3ecfbf; --border: rgba(232, 168, 56, 0.28);
--glow-gold: rgba(232, 168, 56, 0.35); --glow-teal: rgba(62, 207, 191, 0.22);
--val: #f0d090;
}
* { box-sizing: border-box; }
body {
margin: 0; min-height: 100vh;
font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
color: var(--text); line-height: 1.55; background-color: var(--bg);
background-image:
radial-gradient(ellipse 90% 55% at 50% 108%, rgba(26, 107, 110, 0.55) 0%, transparent 55%),
radial-gradient(circle 420px at 12% 18%, var(--glow-gold) 0%, transparent 62%),
linear-gradient(165deg, #2c1e14 0%, #1a1410 38%, #12181a 72%, #0e1c1e 100%);
background-attachment: fixed;
}
main { max-width: 42rem; margin: 0 auto; padding: 2.25rem 1.25rem 3.5rem; }
.hero { text-align: center; margin: 0 0 1.25rem; }
h1 {
font-size: 1.85rem; font-weight: 750; margin: 0 0 0.45rem;
background: linear-gradient(120deg, #fff6e8 0%, #f0c86a 45%, #3ecfbf 120%);
-webkit-background-clip: text; background-clip: text; color: transparent;
}
.sub { color: var(--muted); max-width: 32rem; margin: 0 auto; }
.badge {
display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em;
padding: 0.2rem 0.7rem; border-radius: 999px; margin-bottom: 0.75rem;
border: 1px solid rgba(232, 168, 56, 0.4); color: #f0d090;
background: linear-gradient(135deg, rgba(232, 168, 56, 0.2), rgba(62, 207, 191, 0.15));
}
.stats {
background: rgba(18, 28, 28, 0.55); border: 1px solid rgba(62, 207, 191, 0.28);
border-radius: 16px; padding: 1.1rem 1.15rem; margin: 0 0 1.1rem;
}
.stats h2 {
margin: 0 0 0.35rem; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em;
text-transform: uppercase; color: var(--muted); text-align: center;
}
.note { text-align: center; font-size: 0.82rem; color: var(--muted); margin: 0 0 0.9rem; }
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.65rem; }
@media (min-width: 420px) { .stats-grid { grid-template-columns: 1fr 1fr 1fr; } }
.stat { background: rgba(0,0,0,0.22); border-radius: 10px; padding: 0.55rem 0.65rem; }
.stat .k { display: block; font-size: 0.68rem; color: var(--muted); text-transform: uppercase; text-align: center; margin-bottom: 0.15rem; letter-spacing: 0.04em; }
.stat .v { display: block; font-size: 1.05rem; font-weight: 750; color: var(--val); text-align: center; font-variant-numeric: tabular-nums; word-break: break-word; }
.stat .v.teal { color: #5eead4; }
.stat .v.sm { font-size: 0.92rem; }
.stats-foot { margin: 0.75rem 0 0; font-size: 0.72rem; color: var(--muted); text-align: center; }
.stats-foot.err { color: #f0a090; }
.stats-run-note {
margin: 0.35rem 0 0; font-size: 0.7rem; color: #f0a090; text-align: center;
}
.sub-block {
margin-top: 0.85rem; padding: 0.75rem 0.85rem;
border-radius: 12px; border: 1px solid rgba(232, 168, 56, 0.22);
background: rgba(0,0,0,0.18);
}
.sub-block h3 {
margin: 0 0 0.5rem; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em;
text-transform: uppercase; color: var(--muted); text-align: center;
}
.ladder {
display: flex; flex-wrap: wrap; gap: 0.35rem; justify-content: center;
}
.pill {
font-size: 0.72rem; font-weight: 700; padding: 0.18rem 0.45rem; border-radius: 999px;
border: 1px solid rgba(62, 207, 191, 0.35); color: #99f6e4;
background: rgba(62, 207, 191, 0.1); font-variant-numeric: tabular-nums;
}
.by-denom { font-size: 0.82rem; color: var(--muted); text-align: center; }
.by-denom table { width: 100%; border-collapse: collapse; margin-top: 0.35rem; }
.by-denom th, .by-denom td {
padding: 0.28rem 0.35rem; border-bottom: 1px solid rgba(255,255,255,0.06);
text-align: center; font-variant-numeric: tabular-nums;
}
.by-denom th { color: var(--muted); font-size: 0.68rem; text-transform: uppercase; font-weight: 700; }
.by-denom td { color: var(--val); font-weight: 650; }
.step-card {
background: var(--card); border: 1px solid var(--border); border-radius: 18px;
padding: 1.3rem 1.25rem; margin-bottom: 1.2rem;
}
.step-card h2 { margin: 0 0 0.4rem; text-align: center; font-size: 1.2rem; }
.step-tagline { text-align: center; color: var(--muted); margin: 0 0 1rem; }
.step-body { display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.qr-box { background: #fff; padding: 0.85rem; border-radius: 14px; text-align: center; }
.qr-label { margin-top: 0.5rem; color: #3a342c; font-weight: 700; font-size: 0.85rem; }
.cta {
display: inline-block; text-decoration: none; font-weight: 750; padding: 0.7rem 1.15rem;
border-radius: 12px; background: linear-gradient(135deg, #f0c86a, #c47a18); color: #1a1208;
}
.cta.teal { background: linear-gradient(135deg, #5eead4, #0d9488); color: #042f2e; }
.links { display: flex; flex-direction: column; gap: 0.5rem; width: 100%; }
.cta-sec {
display: block; text-align: center; text-decoration: none; color: var(--accent2);
border: 1px solid rgba(62, 207, 191, 0.4); padding: 0.55rem; border-radius: 10px; font-weight: 600;
}
.meta { font-size: 0.78rem; color: var(--muted); word-break: break-all; text-align: center; }
footer { margin-top: 1.75rem; text-align: center; color: var(--muted); font-size: 0.85rem; }
footer a { color: #e8c878; }
code { font-family: ui-monospace, Menlo, monospace; font-size: 0.86em; background: rgba(0,0,0,0.35); padding: 0.1em 0.35em; border-radius: 4px; color: #f0d090; }
</style>
<script src="/intro/qrcode.min.js"></script>
</head>
<body>
<main>
<header class="hero">
<span class="badge">GOA · Exchange</span>
<h1>GOA Exchange</h1>
<p class="sub">Explorational intergalactic exchange — <strong>coins</strong>, denominations, withdraw / refresh / deposit.</p>
</header>
<section class="stats" id="stats-coins" aria-labelledby="coins-title">
<h2 id="coins-title">Coins</h2>
<p class="note">From exchange DB · coin lifecycle</p>
<div class="stats-grid">
<div class="stat"><span class="k">Known coins</span><span class="v teal" id="st-coins">—</span></div>
<div class="stat"><span class="k">Live (remaining)</span><span class="v" id="st-coins-live">—</span></div>
<div class="stat"><span class="k">Spent / zero</span><span class="v" id="st-coins-spent">—</span></div>
<div class="stat"><span class="k">Remaining amt</span><span class="v teal sm" id="st-remaining">—</span></div>
<div class="stat"><span class="k">Withdraw ops</span><span class="v" id="st-withdraw">—</span></div>
<div class="stat"><span class="k">Withdraw amt</span><span class="v teal sm" id="st-withdraw-amt">—</span></div>
<div class="stat"><span class="k">Refresh</span><span class="v" id="st-refresh">—</span></div>
<div class="stat"><span class="k">Coin deposits</span><span class="v" id="st-coin-dep">—</span></div>
<div class="stat"><span class="k">Batch deposits</span><span class="v" id="st-batch-dep">—</span></div>
<div class="stat"><span class="k">Recoup</span><span class="v" id="st-recoup">—</span></div>
<div class="stat"><span class="k">Refunds</span><span class="v" id="st-refunds">—</span></div>
<div class="stat"><span class="k">History events</span><span class="v" id="st-hist">—</span></div>
</div>
<div class="sub-block" id="by-denom-wrap" hidden>
<h3>Known coins by value</h3>
<div class="by-denom" id="st-by-denom"></div>
</div>
</section>
<section class="stats" id="stats-denoms" aria-labelledby="denoms-title">
<h2 id="denoms-title">Denominations</h2>
<p class="note">Signed keys in DB · public ladder on <code>/keys</code></p>
<div class="stats-grid">
<div class="stat"><span class="k">Denom keys</span><span class="v teal" id="st-denoms">—</span></div>
<div class="stat"><span class="k">Unique values</span><span class="v" id="st-denom-vals">—</span></div>
<div class="stat"><span class="k">Withdrawable now</span><span class="v teal" id="st-denoms-wd">—</span></div>
</div>
<div class="sub-block">
<h3>Value ladder</h3>
<div class="ladder" id="st-ladder"></div>
</div>
</section>
<section class="stats" id="stats-wire" aria-labelledby="wire-title">
<h2 id="wire-title">Reserves · wire</h2>
<p class="note">Backing money movement</p>
<div class="stats-grid">
<div class="stat"><span class="k">Reserves</span><span class="v teal" id="st-reserves">—</span></div>
<div class="stat"><span class="k">Wire in</span><span class="v" id="st-wire-in-n">—</span></div>
<div class="stat"><span class="k">Wire in amt</span><span class="v teal sm" id="st-wire-in-amt">—</span></div>
<div class="stat"><span class="k">Wire out</span><span class="v" id="st-wire-out">—</span></div>
</div>
<p class="stats-foot" id="st-foot">Loading…</p>
<p class="stats-run-note" id="st-run-note" hidden></p>
</section>
<section class="stats" id="stats-perf" aria-labelledby="perf-title">
<h2 id="perf-title">Performance</h2>
<p class="note">Live HTTP probes + container memory (RSS)</p>
<div class="stats-grid">
<div class="stat"><span class="k">/keys</span><span class="v teal" id="st-keys-ms">—</span></div>
<div class="stat"><span class="k">/config</span><span class="v" id="st-config-ms">—</span></div>
<div class="stat"><span class="k">Loadavg</span><span class="v sm" id="st-load">—</span></div>
<div class="stat"><span class="k">Container</span><span class="v teal" id="st-mem-ctr">—</span></div>
<div class="stat"><span class="k">PostgreSQL</span><span class="v" id="st-mem-pg">—</span></div>
<div class="stat"><span class="k">Taler procs</span><span class="v" id="st-mem-taler">—</span></div>
<div class="stat"><span class="k">Nginx</span><span class="v sm" id="st-mem-nginx">—</span></div>
</div>
<div class="sub-block" style="margin-top:0.85rem">
<h3>Top processes (RSS)</h3>
<div id="st-mem-top" class="by-denom"></div>
</div>
<p class="stats-foot" id="st-perf-foot">Memory from /proc + cgroup inside podman container.</p>
</section>
<section class="step-card">
<h2>Add the exchange</h2>
<p class="step-tagline">Trust <code>exchange.hacktivism.ch</code></p>
<div class="step-body">
<div class="qr-box">
<div id="qr-exchange"></div>
<div class="qr-label">Add exchange</div>
</div>
<a class="cta" href="taler://add-exchange/exchange.hacktivism.ch/">Open in wallet →</a>
<p class="meta">taler://add-exchange/exchange.hacktivism.ch/</p>
<div class="links">
<a class="cta teal" href="https://bank.hacktivism.ch/intro/">Withdraw GOA at bank →</a>
<a class="cta-sec" href="https://exchange.hacktivism.ch/keys">/keys</a>
<a class="cta-sec" href="https://exchange.hacktivism.ch/terms">/terms</a>
<a class="cta-sec" href="https://exchange.hacktivism.ch/privacy">/privacy</a>
<a class="cta-sec" href="https://exchange.hacktivism.ch/config">/config</a>
</div>
</div>
</section>
<footer>
<a href="https://bank.hacktivism.ch/intro/">Bank</a> ·
<a href="https://exchange.hacktivism.ch/intro/">Exchange</a> ·
<a href="https://taler.hacktivism.ch/intro/">Merchant</a> ·
<a href="https://exchange.hacktivism.ch/terms">Terms</a> ·
<a href="https://exchange.hacktivism.ch/privacy">Privacy</a>
<p class="privacy-note" style="margin:0.65rem 0 0;font-size:0.78rem;color:var(--muted);line-height:1.4">
Privacy: processing under Swiss FADP (revDSG). What is retained is listed on
<a href="https://exchange.hacktivism.ch/privacy" style="color:#5eead4">/privacy</a>.
</p>
</footer>
</main>
<script>
(function () {
function set(id, v) {
var el = document.getElementById(id);
if (el) el.textContent = v == null || v === "" ? "—" : String(v);
}
function msLabel(ms, http) {
if (ms == null || ms === "") return "—";
var s = ms + " ms";
if (http && http !== "200") s += " (" + http + ")";
return s;
}
fetch("/intro/stats.json", { cache: "no-store" })
.then(function (r) { if (!r.ok) throw new Error("x"); return r.json(); })
.then(function (d) {
if (!d || !d.ok) throw new Error("bad");
set("st-coins", d.known_coins);
set("st-coins-live", d.coins_live);
set("st-coins-spent", d.coins_spent);
set("st-remaining", d.coins_remaining_amount);
set("st-withdraw", d.withdraw_ops);
set("st-withdraw-amt", d.withdraw_amount);
set("st-refresh", d.refresh_ops);
set("st-coin-dep", d.coin_deposits);
set("st-batch-dep", d.batch_deposits);
set("st-recoup", d.recoup);
set("st-refunds", d.refunds);
set("st-hist", d.coin_history_events);
set("st-denoms", d.denominations);
set("st-denom-vals", d.denom_values);
set("st-denoms-wd", d.denoms_withdrawable);
set("st-reserves", d.reserves);
set("st-wire-in-n", d.wire_in_count);
set("st-wire-in-amt", d.wire_in_amount);
set("st-wire-out", d.wire_out);
var ladder = document.getElementById("st-ladder");
if (ladder) {
ladder.innerHTML = "";
(d.denom_ladder || []).forEach(function (x) {
var s = document.createElement("span");
s.className = "pill";
s.textContent = x.value + (x.keys > 1 ? " ×" + x.keys : "");
ladder.appendChild(s);
});
if (!(d.denom_ladder || []).length) ladder.textContent = "—";
}
var by = d.by_denom || [];
var wrap = document.getElementById("by-denom-wrap");
var box = document.getElementById("st-by-denom");
if (wrap && box && by.length) {
wrap.hidden = false;
var html = "<table><thead><tr><th>Value</th><th>Coins</th><th>Live</th></tr></thead><tbody>";
by.forEach(function (r) {
html += "<tr><td>" + r.value + "</td><td>" + r.coins + "</td><td>" + r.live + "</td></tr>";
});
html += "</tbody></table>";
box.innerHTML = html;
}
var foot = document.getElementById("st-foot");
if (foot) {
foot.textContent = (d.wirewatch_running ? "wirewatch on · " : "wirewatch off · ") +
(d.generated_at_human || d.generated_at || "");
}
var p = d.performance || {};
set("st-keys-ms", msLabel(p.keys_ms, p.keys_http));
set("st-config-ms", msLabel(p.config_ms, p.config_http));
set("st-load", p.loadavg || "—");
var mem = p.memory || {};
set("st-mem-ctr", mem.container_rss_human || "—");
set("st-mem-pg", mem.postgres_rss_human
? mem.postgres_rss_human + (mem.postgres_n ? " · " + mem.postgres_n + "p" : "")
: "—");
set("st-mem-taler", mem.taler_rss_human
? mem.taler_rss_human + (mem.taler_n ? " · " + mem.taler_n + "p" : "")
: "—");
set("st-mem-nginx", mem.nginx_rss_human || "—");
var topBox = document.getElementById("st-mem-top");
if (topBox) {
var tops = mem.top || [];
if (!tops.length) {
topBox.textContent = "—";
} else {
var th = "<table><thead><tr><th>RSS</th><th>Comm</th><th>Command</th></tr></thead><tbody>";
tops.forEach(function (t) {
th += "<tr><td>" + (t.rss_human || "?") + "</td><td>" +
(t.comm || "") + "</td><td style=\"font-size:0.72rem;word-break:break-all\">" +
(t.cmd || "") + "</td></tr>";
});
th += "</tbody></table>";
topBox.innerHTML = th;
}
}
var pf = document.getElementById("st-perf-foot");
if (pf) {
pf.textContent = "Container RSS + process groups · " +
(d.generated_at_human || d.generated_at || "");
}
return fetch("/intro/stats-run.json", { cache: "no-store" })
.then(function (r) { return r.ok ? r.json() : null; })
.catch(function () { return null; });
})
.then(function (run) {
var note = document.getElementById("st-run-note");
if (!note) return;
if (run && run.ok === false) {
note.hidden = false;
note.textContent = "Last refresh failed" +
(run.at_human ? " · " + run.at_human : "") +
" · showing last good data";
} else {
note.hidden = true;
note.textContent = "";
}
})
.catch(function () {
var foot = document.getElementById("st-foot");
if (foot) foot.innerHTML = 'Stats offline · <a href="https://bank.hacktivism.ch/intro/" style="color:#e8c878">bank.hacktivism.ch</a>';
});
var el = document.getElementById("qr-exchange");
if (el && typeof QRCode !== "undefined") {
new QRCode(el, {
text: "taler://add-exchange/exchange.hacktivism.ch/",
width: 220, height: 220, correctLevel: QRCode.CorrectLevel.M
});
}
})();
</script>
</body>
</html>