Add wallet-driven crypto payment submission for ETH and USDC

backend/app.py

@@ -20,6 +20,7 @@ import urllib.error
 import urllib.parse
 import uuid
 import re
+import math
 import zipfile
 import smtplib
 import secrets
@@ -49,6 +50,8 @@ SQUARE_API_VERSION = "2026-01-22"
 SQUARE_WEBHOOK_LOG = str(BASE_DIR / "logs" / "square_webhook_events.log")
 ORACLE_BASE_URL = os.getenv("ORACLE_BASE_URL", "https://monitor.outsidethebox.top")
 CRYPTO_EVM_PAYMENT_ADDRESS = os.getenv("OTB_BILLING_CRYPTO_EVM_ADDRESS", "0x44f6c44C42e6ae0392E7289F032384C0d37F56D5")
+RPC_ETHEREUM_URL = os.getenv("OTB_BILLING_RPC_ETHEREUM", "https://cloudflare-eth.com")
+RPC_ARBITRUM_URL = os.getenv("OTB_BILLING_RPC_ARBITRUM", "https://arb1.arbitrum.io/rpc")
 
 
 
@@ -191,6 +194,11 @@ def get_invoice_crypto_options(invoice):
             "label": "USDC (Arbitrum)",
             "payment_currency": "USDC",
             "wallet_address": CRYPTO_EVM_PAYMENT_ADDRESS,
+            "wallet_capable": True,
+            "asset_type": "token",
+            "chain_id": 42161,
+            "decimals": 6,
+            "token_contract": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
         },
         "ETH": {
             "symbol": "ETH",
@@ -198,6 +206,11 @@ def get_invoice_crypto_options(invoice):
             "label": "ETH (Ethereum)",
             "payment_currency": "ETH",
             "wallet_address": CRYPTO_EVM_PAYMENT_ADDRESS,
+            "wallet_capable": True,
+            "asset_type": "native",
+            "chain_id": 1,
+            "decimals": 18,
+            "token_contract": None,
         },
         "ETHO": {
             "symbol": "ETHO",
@@ -205,6 +218,11 @@ def get_invoice_crypto_options(invoice):
             "label": "ETHO (Etho)",
             "payment_currency": "ETHO",
             "wallet_address": CRYPTO_EVM_PAYMENT_ADDRESS,
+            "wallet_capable": False,
+            "asset_type": "native",
+            "chain_id": None,
+            "decimals": 18,
+            "token_contract": None,
         },
         "ETI": {
             "symbol": "ETI",
@@ -212,6 +230,11 @@ def get_invoice_crypto_options(invoice):
             "label": "ETI (Etica)",
             "payment_currency": "ETI",
             "wallet_address": CRYPTO_EVM_PAYMENT_ADDRESS,
+            "wallet_capable": False,
+            "asset_type": "token",
+            "chain_id": None,
+            "decimals": 18,
+            "token_contract": "0x34c61EA91bAcdA647269d4e310A86b875c09946f",
         },
     }
 
@@ -235,6 +258,101 @@ def get_invoice_crypto_options(invoice):
     options.sort(key=lambda x: (0 if x.get("recommended") else 1, x.get("symbol")))
     return options
 
+def get_rpc_url_for_chain(chain_name):
+    chain = str(chain_name or "").lower()
+    if chain == "ethereum":
+        return RPC_ETHEREUM_URL
+    if chain == "arbitrum":
+        return RPC_ARBITRUM_URL
+    return None
+
+def rpc_call(rpc_url, method, params):
+    payload = json.dumps({
+        "jsonrpc": "2.0",
+        "id": 1,
+        "method": method,
+        "params": params,
+    }).encode("utf-8")
+
+    req = urllib.request.Request(
+        rpc_url,
+        data=payload,
+        headers={
+            "Content-Type": "application/json",
+            "Accept": "application/json",
+            "User-Agent": "otb-billing-rpc/0.1",
+        },
+        method="POST"
+    )
+
+    with urllib.request.urlopen(req, timeout=20) as resp:
+        data = json.loads(resp.read().decode("utf-8"))
+
+    if isinstance(data, dict) and data.get("error"):
+        raise RuntimeError(str(data["error"]))
+
+    return (data or {}).get("result")
+
+def _to_base_units(amount_text, decimals):
+    amount_dec = Decimal(str(amount_text))
+    scale = Decimal(10) ** int(decimals)
+    return int((amount_dec * scale).quantize(Decimal("1")))
+
+def _strip_0x(value):
+    return str(value or "").lower().replace("0x", "")
+
+def parse_erc20_transfer_input(input_data):
+    data = _strip_0x(input_data)
+    if not data.startswith("a9059cbb"):
+        return None
+    if len(data) < 8 + 64 + 64:
+        return None
+    to_chunk = data[8:72]
+    amount_chunk = data[72:136]
+    to_addr = "0x" + to_chunk[-40:]
+    amount_int = int(amount_chunk, 16)
+    return {
+        "to": to_addr,
+        "amount": amount_int,
+    }
+
+def verify_wallet_transaction(option, tx_hash):
+    rpc_url = get_rpc_url_for_chain(option.get("chain"))
+    if not rpc_url:
+        raise RuntimeError("No RPC configured for chain")
+
+    tx = rpc_call(rpc_url, "eth_getTransactionByHash", [tx_hash])
+    if not tx:
+        raise RuntimeError("Transaction hash not found on RPC")
+
+    wallet_to = str(option.get("wallet_address") or "").lower()
+    expected_units = _to_base_units(option.get("display_amount"), option.get("decimals") or 18)
+
+    if option.get("asset_type") == "native":
+        tx_to = str(tx.get("to") or "").lower()
+        tx_value = int(tx.get("value") or "0x0", 16)
+        if tx_to != wallet_to:
+            raise RuntimeError("Transaction destination does not match payment wallet")
+        if tx_value != expected_units:
+            raise RuntimeError("Transaction value does not match frozen quote amount")
+    else:
+        tx_to = str(tx.get("to") or "").lower()
+        contract = str(option.get("token_contract") or "").lower()
+        if tx_to != contract:
+            raise RuntimeError("Token contract does not match expected asset contract")
+        parsed = parse_erc20_transfer_input(tx.get("input") or "")
+        if not parsed:
+            raise RuntimeError("Transaction input is not a supported ERC20 transfer")
+        if str(parsed["to"]).lower() != wallet_to:
+            raise RuntimeError("Token transfer recipient does not match payment wallet")
+        if int(parsed["amount"]) != expected_units:
+            raise RuntimeError("Token transfer amount does not match frozen quote amount")
+
+    return {
+        "rpc_url": rpc_url,
+        "tx": tx,
+    }
+
 def square_amount_to_cents(value):
     return int((to_decimal(value) * 100).quantize(Decimal("1")))
 
@@ -3880,7 +3998,7 @@ def portal_invoice_detail(invoice_id):
         if payment_id.isdigit():
             cursor.execute("""
                 SELECT id, invoice_id, client_id, payment_currency, payment_amount, cad_value_at_payment,
-                       reference, wallet_address, payment_status, created_at, notes
+                       reference, wallet_address, payment_status, created_at, received_at, txid, notes
                 FROM payments
                 WHERE id = %s
                   AND invoice_id = %s
@@ -3906,6 +4024,22 @@ def portal_invoice_detail(invoice_id):
                     pending_crypto_payment["lock_expires_at_iso"] = ""
                     pending_crypto_payment["lock_expired"] = True
 
+                received_dt = pending_crypto_payment.get("received_at")
+                if received_dt and received_dt.tzinfo is None:
+                    received_dt = received_dt.replace(tzinfo=timezone.utc)
+
+                if received_dt:
+                    processing_expires_dt = received_dt + timedelta(minutes=15)
+                    pending_crypto_payment["received_at_local"] = fmt_local(received_dt)
+                    pending_crypto_payment["processing_expires_at_local"] = fmt_local(processing_expires_dt)
+                    pending_crypto_payment["processing_expires_at_iso"] = processing_expires_dt.astimezone(timezone.utc).isoformat()
+                    pending_crypto_payment["processing_expired"] = datetime.now(timezone.utc) >= processing_expires_dt
+                else:
+                    pending_crypto_payment["received_at_local"] = ""
+                    pending_crypto_payment["processing_expires_at_local"] = ""
+                    pending_crypto_payment["processing_expires_at_iso"] = ""
+                    pending_crypto_payment["processing_expired"] = False
+
                 if not selected_crypto_option:
                     selected_crypto_option = next(
                         (o for o in crypto_options if o["payment_currency"] == str(pending_crypto_payment.get("payment_currency") or "").upper()),
@@ -4445,6 +4579,106 @@ def portal_invoice_pay_crypto(invoice_id):
 
     return redirect(f"/portal/invoice/{invoice_id}?pay=crypto&asset={selected_option['symbol']}&payment_id={pending_payment_id}")
 
+@app.route("/portal/invoice/<int:invoice_id>/submit-crypto-tx", methods=["POST"])
+def portal_submit_crypto_tx(invoice_id):
+    client = _portal_current_client()
+    if not client:
+        return jsonify({"ok": False, "error": "not_authenticated"}), 401
+
+    ensure_invoice_quote_columns()
+
+    payload = request.get_json(silent=True) or {}
+    payment_id = str(payload.get("payment_id") or "").strip()
+    asset_symbol = str(payload.get("asset") or "").strip().upper()
+    tx_hash = str(payload.get("tx_hash") or "").strip()
+
+    if not payment_id.isdigit():
+        return jsonify({"ok": False, "error": "invalid_payment_id"}), 400
+    if not re.fullmatch(r"0x[a-fA-F0-9]{64}", tx_hash):
+        return jsonify({"ok": False, "error": "invalid_tx_hash"}), 400
+
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+
+    cursor.execute("""
+        SELECT id, client_id, invoice_number, status, total_amount, amount_paid,
+               quote_fiat_amount, quote_fiat_currency, quote_expires_at, oracle_snapshot
+        FROM invoices
+        WHERE id = %s AND client_id = %s
+        LIMIT 1
+    """, (invoice_id, client["id"]))
+    invoice = cursor.fetchone()
+
+    if not invoice:
+        conn.close()
+        return jsonify({"ok": False, "error": "invoice_not_found"}), 404
+
+    invoice["oracle_quote"] = None
+    if invoice.get("oracle_snapshot"):
+        try:
+            invoice["oracle_quote"] = json.loads(invoice["oracle_snapshot"])
+        except Exception:
+            invoice["oracle_quote"] = None
+
+    options = get_invoice_crypto_options(invoice)
+    selected_option = next((o for o in options if o["symbol"] == asset_symbol), None)
+    if not selected_option:
+        conn.close()
+        return jsonify({"ok": False, "error": "asset_not_allowed"}), 400
+    if not selected_option.get("wallet_capable"):
+        conn.close()
+        return jsonify({"ok": False, "error": "asset_not_wallet_capable"}), 400
+
+    cursor.execute("""
+        SELECT id, invoice_id, client_id, payment_currency, payment_amount, wallet_address, reference,
+               payment_status, created_at, received_at, txid, notes
+        FROM payments
+        WHERE id = %s
+          AND invoice_id = %s
+          AND client_id = %s
+        LIMIT 1
+    """, (payment_id, invoice_id, client["id"]))
+    payment = cursor.fetchone()
+
+    if not payment:
+        conn.close()
+        return jsonify({"ok": False, "error": "payment_not_found"}), 404
+
+    if str(payment.get("payment_currency") or "").upper() != str(selected_option.get("payment_currency") or "").upper():
+        conn.close()
+        return jsonify({"ok": False, "error": "payment_currency_mismatch"}), 400
+
+    try:
+        verify_wallet_transaction(selected_option, tx_hash)
+    except Exception as err:
+        conn.close()
+        return jsonify({"ok": False, "error": "tx_verification_failed", "detail": str(err)}), 400
+
+    update_cursor = conn.cursor()
+    update_cursor.execute("""
+        UPDATE payments
+        SET txid = %s,
+            received_at = UTC_TIMESTAMP(),
+            notes = CONCAT(COALESCE(notes, ''), %s)
+        WHERE id = %s
+    """, (
+        tx_hash,
+        f" | tx_submitted | rpc_seen | chain:{selected_option['chain']} | asset:{selected_option['symbol']}",
+        payment["id"]
+    ))
+    conn.commit()
+    conn.close()
+
+    return jsonify({
+        "ok": True,
+        "payment_id": payment["id"],
+        "tx_hash": tx_hash,
+        "chain": selected_option["chain"],
+        "asset": selected_option["symbol"],
+        "state": "submitted",
+        "redirect_url": f"/portal/invoice/{invoice_id}?pay=crypto&asset={selected_option['symbol']}&payment_id={payment['id']}"
+    })
+
 @app.route("/portal/invoice/<int:invoice_id>/pay-square", methods=["GET"])
 def portal_invoice_pay_square(invoice_id):
     client = _portal_current_client()

templates/portal_invoice_detail.html

@@ -7,252 +7,59 @@
     <link rel="stylesheet" href="/static/css/style.css">
     <style>
         .portal-wrap { max-width: 1100px; margin: 2rem auto; padding: 1.25rem; }
-        .portal-top {
-            display:flex; justify-content:space-between; align-items:center; gap:1rem; flex-wrap:wrap;
-            margin-bottom: 1rem;
-        }
-        .portal-actions a {
-            margin-left: 0.75rem;
-            text-decoration: underline;
-        }
-        .detail-grid {
-            display:grid;
-            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
-            gap:1rem;
-            margin: 1rem 0 1.25rem 0;
-        }
-        .detail-card {
-            border: 1px solid rgba(255,255,255,0.16);
-            border-radius: 14px;
-            padding: 1rem;
-            background: rgba(255,255,255,0.03);
-            margin-bottom: 1rem;
-        }
-        .detail-card h3 {
-            margin-top: 0;
-            margin-bottom: 0.4rem;
-        }
-        table.portal-table {
-            width: 100%;
-            border-collapse: collapse;
-            margin-top: 1rem;
-        }
-        table.portal-table th, table.portal-table td {
-            padding: 0.8rem;
-            border-bottom: 1px solid rgba(255,255,255,0.12);
-            text-align: left;
-        }
-        table.portal-table th {
-            background: #e9eef7;
-            color: #10203f;
-        }
-        .status-badge {
-            display: inline-block;
-            padding: 0.18rem 0.55rem;
-            border-radius: 999px;
-            font-size: 0.86rem;
-            font-weight: 700;
-        }
-        .status-paid {
-            background: rgba(34, 197, 94, 0.18);
-            color: #4ade80;
-        }
-        .status-pending {
-            background: rgba(245, 158, 11, 0.20);
-            color: #fbbf24;
-        }
-        .status-overdue {
-            background: rgba(239, 68, 68, 0.18);
-            color: #f87171;
-        }
-        .status-other {
-            background: rgba(148, 163, 184, 0.20);
-            color: #cbd5e1;
-        }
+        .portal-top { display:flex; justify-content:space-between; align-items:center; gap:1rem; flex-wrap:wrap; margin-bottom: 1rem; }
+        .portal-actions a { margin-left: 0.75rem; text-decoration: underline; }
+        .detail-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap:1rem; margin: 1rem 0 1.25rem 0; }
+        .detail-card { border: 1px solid rgba(255,255,255,0.16); border-radius: 14px; padding: 1rem; background: rgba(255,255,255,0.03); margin-bottom: 1rem; }
+        .detail-card h3 { margin-top: 0; margin-bottom: 0.4rem; }
+        table.portal-table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
+        table.portal-table th, table.portal-table td { padding: 0.8rem; border-bottom: 1px solid rgba(255,255,255,0.12); text-align: left; }
+        table.portal-table th { background: #e9eef7; color: #10203f; }
+        .status-badge { display: inline-block; padding: 0.18rem 0.55rem; border-radius: 999px; font-size: 0.86rem; font-weight: 700; }
+        .status-paid { background: rgba(34, 197, 94, 0.18); color: #4ade80; }
+        .status-pending { background: rgba(245, 158, 11, 0.20); color: #fbbf24; }
+        .status-overdue { background: rgba(239, 68, 68, 0.18); color: #f87171; }
+        .status-other { background: rgba(148, 163, 184, 0.20); color: #cbd5e1; }
 
-        .pay-card {
-            border: 1px solid rgba(255,255,255,0.16);
-            border-radius: 14px;
-            padding: 1rem;
-            background: rgba(255,255,255,0.03);
-            margin-top: 1.25rem;
-        }
-        .pay-selector-row {
-            display:flex;
-            gap:0.75rem;
-            align-items:center;
-            flex-wrap:wrap;
-            margin-top:0.75rem;
-        }
-        .pay-selector {
-            padding: 10px 12px;
-            min-width: 220px;
-            border-radius: 8px;
-        }
-        .pay-panel {
-            margin-top: 1rem;
-            padding: 1rem;
-            border: 1px solid rgba(255,255,255,0.12);
-            border-radius: 12px;
-            background: rgba(255,255,255,0.02);
-        }
-        .pay-panel.hidden {
-            display: none;
-        }
-        .pay-btn {
-            display:inline-block;
-            padding:12px 18px;
-            color:#ffffff;
-            text-decoration:none;
-            border-radius:8px;
-            font-weight:700;
-            border:none;
-            cursor:pointer;
-            margin:8px 0 0 0;
-        }
-        .pay-btn-square {
-            background:#16a34a;
-        }
-        .pay-btn-crypto {
-            background:#2563eb;
-        }
-        .error-box {
-            border: 1px solid rgba(239, 68, 68, 0.55);
-            background: rgba(127, 29, 29, 0.22);
-            color: #fecaca;
-            border-radius: 10px;
-            padding: 12px 14px;
-            margin-bottom: 1rem;
-        }
+        .pay-card { border: 1px solid rgba(255,255,255,0.16); border-radius: 14px; padding: 1rem; background: rgba(255,255,255,0.03); margin-top: 1.25rem; }
+        .pay-selector-row { display:flex; gap:0.75rem; align-items:center; flex-wrap:wrap; margin-top:0.75rem; }
+        .pay-selector { padding: 10px 12px; min-width: 220px; border-radius: 8px; }
+        .pay-panel { margin-top: 1rem; padding: 1rem; border: 1px solid rgba(255,255,255,0.12); border-radius: 12px; background: rgba(255,255,255,0.02); }
+        .pay-panel.hidden { display: none; }
+        .pay-btn { display:inline-block; padding:12px 18px; color:#ffffff; text-decoration:none; border-radius:8px; font-weight:700; border:none; cursor:pointer; margin:8px 0 0 0; }
+        .pay-btn-square { background:#16a34a; }
+        .pay-btn-wallet { background:#2563eb; }
+        .error-box { border: 1px solid rgba(239, 68, 68, 0.55); background: rgba(127, 29, 29, 0.22); color: #fecaca; border-radius: 10px; padding: 12px 14px; margin-bottom: 1rem; }
+        .success-box { border: 1px solid rgba(34, 197, 94, 0.55); background: rgba(22, 101, 52, 0.18); color: #dcfce7; border-radius: 10px; padding: 12px 14px; margin-bottom: 1rem; }
 
-        .snapshot-wrap {
-            position: relative;
-            margin-top: 1rem;
-            border: 1px solid rgba(255,255,255,0.14);
-            border-radius: 14px;
-            padding: 1rem;
-            background: rgba(255,255,255,0.02);
-        }
-        .snapshot-header {
-            display:flex;
-            justify-content:space-between;
-            gap:1rem;
-            align-items:flex-start;
-        }
-        .snapshot-meta {
-            flex: 1 1 auto;
-            min-width: 0;
-            line-height: 1.65;
-        }
-        .snapshot-timer-box {
-            width: 220px;
-            min-height: 132px;
-            border: 1px solid rgba(255,255,255,0.16);
-            border-radius: 14px;
-            background: rgba(0,0,0,0.18);
-            display:flex;
-            flex-direction:column;
-            justify-content:center;
-            align-items:center;
-            text-align:center;
-            padding: 0.9rem;
-        }
-        .snapshot-timer-value {
-            font-size: 2rem;
-            font-weight: 800;
-            line-height: 1.1;
-        }
-        .snapshot-timer-label {
-            margin-top: 0.55rem;
-            font-size: 0.95rem;
-            opacity: 0.95;
-        }
-        .snapshot-timer-expired {
-            color: #f87171;
-        }
+        .snapshot-wrap { position: relative; margin-top: 1rem; border: 1px solid rgba(255,255,255,0.14); border-radius: 14px; padding: 1rem; background: rgba(255,255,255,0.02); }
+        .snapshot-header { display:flex; justify-content:space-between; gap:1rem; align-items:flex-start; }
+        .snapshot-meta { flex: 1 1 auto; min-width: 0; line-height: 1.65; }
+        .snapshot-timer-box { width: 220px; min-height: 132px; border: 1px solid rgba(255,255,255,0.16); border-radius: 14px; background: rgba(0,0,0,0.18); display:flex; flex-direction:column; justify-content:center; align-items:center; text-align:center; padding: 0.9rem; }
+        .snapshot-timer-value { font-size: 2rem; font-weight: 800; line-height: 1.1; }
+        .snapshot-timer-label { margin-top: 0.55rem; font-size: 0.95rem; opacity: 0.95; }
+        .snapshot-timer-expired { color: #f87171; }
 
-        .quote-table {
-            width: 100%;
-            border-collapse: collapse;
-            margin-top: 1rem;
-        }
-        .quote-table th, .quote-table td {
-            padding: 0.75rem;
-            border-bottom: 1px solid rgba(255,255,255,0.12);
-            text-align: left;
-            vertical-align: top;
-        }
-        .quote-table th {
-            background: #e9eef7;
-            color: #10203f;
-        }
-        .quote-badge {
-            display: inline-block;
-            padding: 0.14rem 0.48rem;
-            border-radius: 999px;
-            font-size: 0.78rem;
-            font-weight: 700;
-            margin-left: 0.4rem;
-        }
-        .quote-live {
-            background: rgba(34, 197, 94, 0.18);
-            color: #4ade80;
-        }
-        .quote-stale {
-            background: rgba(239, 68, 68, 0.18);
-            color: #f87171;
-        }
-        .quote-pick-btn {
-            padding: 8px 12px;
-            border-radius: 8px;
-            border: none;
-            background: #2563eb;
-            color: #fff;
-            font-weight: 700;
-            cursor: pointer;
-        }
-        .quote-pick-btn[disabled] {
-            opacity: 0.5;
-            cursor: not-allowed;
-        }
+        .quote-table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
+        .quote-table th, .quote-table td { padding: 0.75rem; border-bottom: 1px solid rgba(255,255,255,0.12); text-align: left; vertical-align: top; }
+        .quote-table th { background: #e9eef7; color: #10203f; }
+        .quote-badge { display: inline-block; padding: 0.14rem 0.48rem; border-radius: 999px; font-size: 0.78rem; font-weight: 700; margin-left: 0.4rem; }
+        .quote-live { background: rgba(34, 197, 94, 0.18); color: #4ade80; }
+        .quote-stale { background: rgba(239, 68, 68, 0.18); color: #f87171; }
+        .quote-pick-btn { padding: 8px 12px; border-radius: 8px; border: none; background: #2563eb; color: #fff; font-weight: 700; cursor: pointer; }
+        .quote-pick-btn[disabled] { opacity: 0.5; cursor: not-allowed; }
 
-        .lock-box {
-            margin-top: 1rem;
-            border: 1px solid rgba(34, 197, 94, 0.28);
-            background: rgba(22, 101, 52, 0.16);
-            border-radius: 12px;
-            padding: 1rem;
-        }
-        .lock-box.expired {
-            border-color: rgba(239, 68, 68, 0.55);
-            background: rgba(127, 29, 29, 0.22);
-        }
-        .lock-grid {
-            display:grid;
-            grid-template-columns: 1fr 220px;
-            gap:1rem;
-            align-items:start;
-        }
-        .lock-code {
-            display:block;
-            margin-top:0.35rem;
-            padding:0.65rem 0.8rem;
-            background: rgba(0,0,0,0.22);
-            border-radius: 8px;
-            overflow-wrap:anywhere;
-        }
+        .lock-box { margin-top: 1rem; border: 1px solid rgba(34, 197, 94, 0.28); background: rgba(22, 101, 52, 0.16); border-radius: 12px; padding: 1rem; }
+        .lock-box.expired { border-color: rgba(239, 68, 68, 0.55); background: rgba(127, 29, 29, 0.22); }
+        .lock-grid { display:grid; grid-template-columns: 1fr 220px; gap:1rem; align-items:start; }
+        .lock-code { display:block; margin-top:0.35rem; padding:0.65rem 0.8rem; background: rgba(0,0,0,0.22); border-radius: 8px; overflow-wrap:anywhere; }
+        .wallet-actions { display:flex; gap:0.75rem; flex-wrap:wrap; margin-top:0.9rem; align-items:center; }
+        .wallet-note { opacity:0.9; margin-top:0.65rem; }
+        .mono { font-family: monospace; }
 
         @media (max-width: 820px) {
-            .snapshot-header,
-            .lock-grid {
-                grid-template-columns: 1fr;
-                display:block;
-            }
-            .snapshot-timer-box {
-                width: 100%;
-                margin-top: 1rem;
-                min-height: 110px;
-            }
+            .snapshot-header, .lock-grid { grid-template-columns: 1fr; display:block; }
+            .snapshot-timer-box { width: 100%; margin-top: 1rem; min-height: 110px; }
         }
     </style>
     <link rel="icon" type="image/png" href="/static/favicon.png">
@@ -273,9 +80,7 @@
     </div>
 
     {% if (invoice.status or "")|lower == "paid" %}
-    <div style="background:#166534;color:#ecfdf5;padding:12px 14px;margin:0 0 20px 0;border-radius:8px;font-weight:600;border:1px solid rgba(255,255,255,0.12);">
-        ✓ This invoice has been paid. Thank you!
-    </div>
+    <div class="success-box">✓ This invoice has been paid. Thank you!</div>
     {% endif %}
 
     {% if crypto_error %}
@@ -283,63 +88,29 @@
     {% endif %}
 
     <div class="detail-grid">
-        <div class="detail-card">
-            <h3>Invoice</h3>
-            <div>{{ invoice.invoice_number or ("INV-" ~ invoice.id) }}</div>
-        </div>
+        <div class="detail-card"><h3>Invoice</h3><div>{{ invoice.invoice_number or ("INV-" ~ invoice.id) }}</div></div>
         <div class="detail-card">
             <h3>Status</h3>
             {% set s = (invoice.status or "")|lower %}
-            {% if s == "paid" %}
-                <span class="status-badge status-paid">{{ invoice.status }}</span>
-            {% elif s == "pending" %}
-                <span class="status-badge status-pending">{{ invoice.status }}</span>
-            {% elif s == "overdue" %}
-                <span class="status-badge status-overdue">{{ invoice.status }}</span>
-            {% else %}
-                <span class="status-badge status-other">{{ invoice.status }}</span>
-            {% endif %}
-        </div>
-        <div class="detail-card">
-            <h3>Created</h3>
-            <div>{{ invoice.created_at }}</div>
-        </div>
-        <div class="detail-card">
-            <h3>Total</h3>
-            <div>{{ invoice.total_amount }}</div>
-        </div>
-        <div class="detail-card">
-            <h3>Paid</h3>
-            <div>{{ invoice.amount_paid }}</div>
-        </div>
-        <div class="detail-card">
-            <h3>Outstanding</h3>
-            <div>{{ invoice.outstanding }}</div>
+            {% if s == "paid" %}<span class="status-badge status-paid">{{ invoice.status }}</span>
+            {% elif s == "pending" %}<span class="status-badge status-pending">{{ invoice.status }}</span>
+            {% elif s == "overdue" %}<span class="status-badge status-overdue">{{ invoice.status }}</span>
+            {% else %}<span class="status-badge status-other">{{ invoice.status }}</span>{% endif %}
         </div>
+        <div class="detail-card"><h3>Created</h3><div>{{ invoice.created_at }}</div></div>
+        <div class="detail-card"><h3>Total</h3><div>{{ invoice.total_amount }}</div></div>
+        <div class="detail-card"><h3>Paid</h3><div>{{ invoice.amount_paid }}</div></div>
+        <div class="detail-card"><h3>Outstanding</h3><div>{{ invoice.outstanding }}</div></div>
     </div>
 
     <h2>Invoice Items</h2>
     <table class="portal-table">
-        <thead>
-            <tr>
-                <th>Description</th>
-                <th>Qty</th>
-                <th>Unit Price</th>
-                <th>Line Total</th>
-            </tr>
-        </thead>
+        <thead><tr><th>Description</th><th>Qty</th><th>Unit Price</th><th>Line Total</th></tr></thead>
         <tbody>
             {% for item in items %}
-            <tr>
-                <td>{{ item.description }}</td>
-                <td>{{ item.quantity }}</td>
-                <td>{{ item.unit_price }}</td>
-                <td>{{ item.line_total }}</td>
-            </tr>
+            <tr><td>{{ item.description }}</td><td>{{ item.quantity }}</td><td>{{ item.unit_price }}</td><td>{{ item.line_total }}</td></tr>
             {% else %}
-            <tr>
-                <td colspan="4">No invoice line items found.</td>
-            </tr>
+            <tr><td colspan="4">No invoice line items found.</td></tr>
             {% endfor %}
         </tbody>
     </table>
@@ -358,17 +129,12 @@
         </div>
 
         <div id="panel-etransfer" class="pay-panel{% if pay_mode != 'etransfer' %} hidden{% endif %}">
-            <p><strong>Interac e-Transfer</strong><br>
-            Send payment to:<br>
-            payment@outsidethebox.top<br>
-            Reference: Invoice {{ invoice.invoice_number or ("INV-" ~ invoice.id) }}</p>
+            <p><strong>Interac e-Transfer</strong><br>Send payment to:<br>payment@outsidethebox.top<br>Reference: Invoice {{ invoice.invoice_number or ("INV-" ~ invoice.id) }}</p>
         </div>
 
         <div id="panel-square" class="pay-panel{% if pay_mode != 'square' %} hidden{% endif %}">
             <p><strong>Credit Card (Square)</strong></p>
-            <a href="/portal/invoice/{{ invoice.id }}/pay-square" target="_blank" rel="noopener noreferrer" class="pay-btn pay-btn-square">
-                Pay with Credit Card
-            </a>
+            <a href="/portal/invoice/{{ invoice.id }}/pay-square" target="_blank" rel="noopener noreferrer" class="pay-btn pay-btn-square">Pay with Credit Card</a>
         </div>
 
         <div id="panel-crypto" class="pay-panel{% if pay_mode != 'crypto' %} hidden{% endif %}">
@@ -387,7 +153,12 @@
                             {% endif %}
                         </div>
 
-                        {% if pending_crypto_payment %}
+                        {% if pending_crypto_payment and pending_crypto_payment.txid %}
+                        <div class="snapshot-timer-box">
+                            <div id="processingTimerValue" class="snapshot-timer-value" data-expiry="{{ pending_crypto_payment.processing_expires_at_iso }}">--:--</div>
+                            <div id="processingTimerLabel" class="snapshot-timer-label">Waiting for network confirmation</div>
+                        </div>
+                        {% elif pending_crypto_payment %}
                         <div class="snapshot-timer-box">
                             <div id="lockTimerValue" class="snapshot-timer-value" data-expiry="{{ pending_crypto_payment.lock_expires_at_iso }}">--:--</div>
                             <div id="lockTimerLabel" class="snapshot-timer-label">This price is locked for 2 minutes</div>
@@ -401,7 +172,7 @@
                     </div>
 
                     {% if pending_crypto_payment and selected_crypto_option %}
-                    <div id="lockBox" class="lock-box{% if pending_crypto_payment.lock_expired %} expired{% endif %}">
+                    <div id="lockBox" class="lock-box{% if pending_crypto_payment.lock_expired or pending_crypto_payment.processing_expired %} expired{% endif %}">
                         <div class="lock-grid">
                             <div>
                                 <h3 style="margin-top:0;">{{ selected_crypto_option.label }} Payment Instructions</h3>
@@ -410,55 +181,68 @@
                                 <code class="lock-code">{{ pending_crypto_payment.wallet_address }}</code>
                                 <div style="margin-top:0.65rem;"><strong>Reference / Invoice:</strong></div>
                                 <code class="lock-code">{{ pending_crypto_payment.reference }}</code>
-                                <div style="margin-top:0.65rem;">
-                                    {% if pending_crypto_payment.lock_expired %}
-                                        price has expired - please refresh your quote to update
-                                    {% else %}
-                                        Your selected crypto quote has been accepted and placed into processing.
+
+                                {% if selected_crypto_option.wallet_capable and not pending_crypto_payment.txid and not pending_crypto_payment.lock_expired %}
+                                <div class="wallet-actions">
+                                    <button
+                                        type="button"
+                                        id="walletPayButton"
+                                        class="pay-btn pay-btn-wallet"
+                                        data-invoice-id="{{ invoice.id }}"
+                                        data-payment-id="{{ pending_crypto_payment.id }}"
+                                        data-asset="{{ selected_crypto_option.symbol }}"
+                                        data-chain-id="{{ selected_crypto_option.chain_id }}"
+                                        data-asset-type="{{ selected_crypto_option.asset_type }}"
+                                        data-to="{{ selected_crypto_option.wallet_address }}"
+                                        data-amount="{{ pending_crypto_payment.payment_amount }}"
+                                        data-decimals="{{ selected_crypto_option.decimals }}"
+                                        data-token-contract="{{ selected_crypto_option.token_contract or '' }}"
+                                    >
+                                        Pay with MetaMask / Rabby
+                                    </button>
+                                    <span id="walletStatusText"></span>
+                                </div>
+                                <div class="wallet-note">
+                                    This will open your wallet, prepare the exact transaction, and submit the tx hash back to the portal automatically.
+                                </div>
+                                {% elif pending_crypto_payment.txid %}
+                                <div style="margin-top:0.9rem;"><strong>Transaction Hash:</strong></div>
+                                <code class="lock-code mono">{{ pending_crypto_payment.txid }}</code>
+                                <div style="margin-top:0.75rem;">Transaction submitted and detected on RPC. Waiting for network confirmation.</div>
+                                {% elif pending_crypto_payment.lock_expired %}
+                                <div style="margin-top:0.75rem;">price has expired - please refresh your quote to update</div>
                                 {% endif %}
                             </div>
+
+                            {% if pending_crypto_payment and pending_crypto_payment.txid %}
+                            <div class="snapshot-timer-box">
+                                <div id="processingTimerSideValue" class="snapshot-timer-value" data-expiry="{{ pending_crypto_payment.processing_expires_at_iso }}">--:--</div>
+                                <div id="processingTimerSideLabel" class="snapshot-timer-label">Waiting for network confirmation</div>
                             </div>
+                            {% else %}
                             <div class="snapshot-timer-box">
                                 <div id="lockTimerSideValue" class="snapshot-timer-value" data-expiry="{{ pending_crypto_payment.lock_expires_at_iso }}">--:--</div>
                                 <div id="lockTimerSideLabel" class="snapshot-timer-label">This price is locked for 2 minutes</div>
                             </div>
+                            {% endif %}
                         </div>
                     </div>
                     {% else %}
                     <form id="cryptoPickForm" method="post" action="/portal/invoice/{{ invoice.id }}/pay-crypto">
                         <table class="quote-table">
-                            <thead>
-                                <tr>
-                                    <th>Asset</th>
-                                    <th>Quoted Amount</th>
-                                    <th>CAD Price</th>
-                                    <th>Status</th>
-                                    <th>Action</th>
-                                </tr>
-                            </thead>
+                            <thead><tr><th>Asset</th><th>Quoted Amount</th><th>CAD Price</th><th>Status</th><th>Action</th></tr></thead>
                             <tbody>
                                 {% for q in crypto_options %}
                                 <tr>
                                     <td>
                                         {{ q.label }}
-                                        {% if q.recommended %}
-                                            <span class="quote-badge quote-live">recommended</span>
-                                        {% endif %}
+                                        {% if q.recommended %}<span class="quote-badge quote-live">recommended</span>{% endif %}
+                                        {% if q.wallet_capable %}<span class="quote-badge quote-live">wallet</span>{% endif %}
                                     </td>
                                     <td>{{ q.display_amount or "—" }}</td>
                                     <td>{% if q.price_cad is not none %}{{ "%.8f"|format(q.price_cad|float) }}{% else %}—{% endif %}</td>
-                                    <td>
-                                        {% if q.available %}
-                                            <span class="quote-badge quote-live">live</span>
-                                        {% else %}
-                                            <span class="quote-badge quote-stale">{{ q.reason or "unavailable" }}</span>
-                                        {% endif %}
-                                    </td>
-                                    <td>
-                                        <button type="submit" name="asset" value="{{ q.symbol }}" class="quote-pick-btn" {% if not q.available %}disabled{% endif %}>
-                                            Accept {{ q.symbol }}
-                                        </button>
-                                    </td>
+                                    <td>{% if q.available %}<span class="quote-badge quote-live">live</span>{% else %}<span class="quote-badge quote-stale">{{ q.reason or "unavailable" }}</span>{% endif %}</td>
+                                    <td><button type="submit" name="asset" value="{{ q.symbol }}" class="quote-pick-btn" {% if not q.available %}disabled{% endif %}>Accept {{ q.symbol }}</button></td>
                                 </tr>
                                 {% endfor %}
                             </tbody>
@@ -474,9 +258,7 @@
     {% endif %}
 
     {% if pdf_url %}
-    <div style="margin-top:1rem;">
-        <a href="/portal/invoice/{{ invoice.id }}/pdf" target="_blank" rel="noopener noreferrer">Open Invoice PDF</a>
-    </div>
+    <div style="margin-top:1rem;"><a href="/portal/invoice/{{ invoice.id }}/pdf" target="_blank" rel="noopener noreferrer">Open Invoice PDF</a></div>
     {% endif %}
 </div>
 
@@ -511,7 +293,7 @@
         });
     }
 
-    function bindCountdown(valueId, labelId, expireIso, expiredMessage) {
+    function bindCountdown(valueId, labelId, expireIso, expiredMessage, disableSelector) {
         const valueEl = document.getElementById(valueId);
         const labelEl = document.getElementById(labelId);
         if (!valueEl || !expireIso) return;
@@ -528,14 +310,11 @@
                     labelEl.textContent = expiredMessage;
                     labelEl.classList.add("snapshot-timer-expired");
                 }
-                const cryptoForm = document.getElementById("cryptoPickForm");
-                if (cryptoForm) {
-                    cryptoForm.querySelectorAll("button").forEach(btn => btn.disabled = true);
+                if (disableSelector) {
+                    document.querySelectorAll(disableSelector).forEach(btn => btn.disabled = true);
                 }
                 const lockBox = document.getElementById("lockBox");
-                if (lockBox) {
-                    lockBox.classList.add("expired");
-                }
+                if (lockBox) lockBox.classList.add("expired");
                 return;
             }
 
@@ -550,32 +329,116 @@
 
     const quoteTimer = document.getElementById("quoteTimerValue");
     if (quoteTimer && quoteTimer.dataset.expiry) {
-        bindCountdown(
-            "quoteTimerValue",
-            "quoteTimerLabel",
-            quoteTimer.dataset.expiry,
-            "price has expired - please refresh your view to update"
-        );
+        bindCountdown("quoteTimerValue", "quoteTimerLabel", quoteTimer.dataset.expiry, "price has expired - please refresh your view to update", "#cryptoPickForm button");
     }
 
     const lockTimer = document.getElementById("lockTimerValue");
     if (lockTimer && lockTimer.dataset.expiry) {
-        bindCountdown(
-            "lockTimerValue",
-            "lockTimerLabel",
-            lockTimer.dataset.expiry,
-            "price has expired - please refresh your quote to update"
-        );
+        bindCountdown("lockTimerValue", "lockTimerLabel", lockTimer.dataset.expiry, "price has expired - please refresh your quote to update", "#walletPayButton");
     }
 
     const lockTimerSide = document.getElementById("lockTimerSideValue");
     if (lockTimerSide && lockTimerSide.dataset.expiry) {
-        bindCountdown(
-            "lockTimerSideValue",
-            "lockTimerSideLabel",
-            lockTimerSide.dataset.expiry,
-            "price has expired - please refresh your quote to update"
-        );
+        bindCountdown("lockTimerSideValue", "lockTimerSideLabel", lockTimerSide.dataset.expiry, "price has expired - please refresh your quote to update", "#walletPayButton");
+    }
+
+    const processingTimer = document.getElementById("processingTimerValue");
+    if (processingTimer && processingTimer.dataset.expiry) {
+        bindCountdown("processingTimerValue", "processingTimerLabel", processingTimer.dataset.expiry, "price has expired - please refresh your quote to update", null);
+    }
+
+    const processingTimerSide = document.getElementById("processingTimerSideValue");
+    if (processingTimerSide && processingTimerSide.dataset.expiry) {
+        bindCountdown("processingTimerSideValue", "processingTimerSideLabel", processingTimerSide.dataset.expiry, "price has expired - please refresh your quote to update", null);
+    }
+
+    function toHexBigIntFromDecimal(amountText, decimals) {
+        const text = String(amountText || "0");
+        const parts = text.split(".");
+        const whole = parts[0] || "0";
+        const frac = (parts[1] || "").padEnd(decimals, "0").slice(0, decimals);
+        const combined = (whole + frac).replace(/^0+/, "") || "0";
+        return "0x" + BigInt(combined).toString(16);
+    }
+
+    function erc20TransferData(to, amountText, decimals) {
+        const method = "a9059cbb";
+        const addr = String(to || "").toLowerCase().replace(/^0x/, "").padStart(64, "0");
+        const amtHex = BigInt(toHexBigIntFromDecimal(amountText, decimals)).toString(16).padStart(64, "0");
+        return "0x" + method + addr + amtHex;
+    }
+
+    async function switchChain(chainId) {
+        const hexChainId = "0x" + Number(chainId).toString(16);
+        await window.ethereum.request({
+            method: "wallet_switchEthereumChain",
+            params: [{ chainId: hexChainId }]
+        });
+    }
+
+    const walletButton = document.getElementById("walletPayButton");
+    if (walletButton) {
+        walletButton.addEventListener("click", async function() {
+            const statusEl = document.getElementById("walletStatusText");
+            const originalText = walletButton.textContent;
+            walletButton.disabled = true;
+            if (statusEl) statusEl.textContent = "Opening wallet…";
+
+            try {
+                if (!window.ethereum) {
+                    throw new Error("No wallet detected. Open this page in MetaMask or Rabby.");
+                }
+
+                const invoiceId = walletButton.dataset.invoiceId;
+                const paymentId = walletButton.dataset.paymentId;
+                const asset = walletButton.dataset.asset;
+                const chainId = walletButton.dataset.chainId;
+                const assetType = walletButton.dataset.assetType;
+                const to = walletButton.dataset.to;
+                const amount = walletButton.dataset.amount;
+                const decimals = Number(walletButton.dataset.decimals || "18");
+                const tokenContract = walletButton.dataset.tokenContract || "";
+
+                await window.ethereum.request({ method: "eth_requestAccounts" });
+                await switchChain(chainId);
+
+                let txHash;
+                if (assetType === "native") {
+                    txHash = await window.ethereum.request({
+                        method: "eth_sendTransaction",
+                        params: [{ to: to, value: toHexBigIntFromDecimal(amount, decimals) }]
+                    });
+                } else {
+                    txHash = await window.ethereum.request({
+                        method: "eth_sendTransaction",
+                        params: [{ to: tokenContract, data: erc20TransferData(to, amount, decimals) }]
+                    });
+                }
+
+                if (statusEl) statusEl.textContent = "Submitting transaction hash to portal…";
+
+                const resp = await fetch(`/portal/invoice/${invoiceId}/submit-crypto-tx`, {
+                    method: "POST",
+                    headers: { "Content-Type": "application/json" },
+                    body: JSON.stringify({
+                        payment_id: paymentId,
+                        asset: asset,
+                        tx_hash: txHash
+                    })
+                });
+
+                const data = await resp.json();
+                if (!resp.ok || !data.ok) {
+                    throw new Error((data && (data.detail || data.error)) || "Portal rejected tx hash");
+                }
+
+                window.location.href = data.redirect_url;
+            } catch (err) {
+                if (statusEl) statusEl.textContent = String(err.message || err);
+                walletButton.disabled = false;
+                walletButton.textContent = originalText;
+            }
+        });
     }
 })();
 </script>