#3300.md INTRO Solutions — разработка сайтов, сервисов и интеграций INTRO Solutions — websites, services and integrations

// pay.3300.md — payment core
export async function charge(tx) {
  const sig = await hmac(tx.id, KEY);
  "idempotency": ensure(tx.id);
  return gateway.post("/v1/charge", tx);
}
if (!tx.verified) throw new PayError(402);
retry({ times: 3, backoff: "expo" });
webhook.emit("payment.succeeded", tx);
ledger.append({ tx, ts: Date.now() });
// TODO: 3-D Secure flow
const balance = await ledger.sum(acc);
audit.log(tx.id, "charged");
// pay.3300.md — payment core
export async function charge(tx) {
  const sig = await hmac(tx.id, KEY);
  "idempotency": ensure(tx.id);
  return gateway.post("/v1/charge", tx);
}
if (!tx.verified) throw new PayError(402);
retry({ times: 3, backoff: "expo" });
webhook.emit("payment.succeeded", tx);
ledger.append({ tx, ts: Date.now() });
// TODO: 3-D Secure flow
const balance = await ledger.sum(acc);
audit.log(tx.id, "charged");

# api.3300.md — gateway
route "/v1/*" -> auth -> ratelimit
token = jwt.sign(scope, exp: "33h")
if req.key not in vault: deny(401)
cache.set(etag, body, ttl=330)
metrics.observe("latency_ms", dt)
schema.validate(payload, strict=True)
queue.publish("events.v1", msg)
# openapi.yaml: 33 endpoints
deploy(stage="canary", traffic=0.33)
rollback_if(err_rate > 0.003)
# api.3300.md — gateway
route "/v1/*" -> auth -> ratelimit
token = jwt.sign(scope, exp: "33h")
if req.key not in vault: deny(401)
cache.set(etag, body, ttl=330)
metrics.observe("latency_ms", dt)
schema.validate(payload, strict=True)
queue.publish("events.v1", msg)
# openapi.yaml: 33 endpoints
deploy(stage="canary", traffic=0.33)
rollback_if(err_rate > 0.003)

// status.3300.md — monitor
probe("3300.md/crm", every: 30s)
probe("sms.3300.md",   every: 30s)
probe("rentos365.app", every: 30s)
uptime.window("90d").render()
alert.telegram(on: "degraded")
sla.target = 99.95
incident.timeline.publish()
latency.p99 < 330ms ? ok : warn
// history: 0 outages
heartbeat.emit("alive")
// status.3300.md — monitor
probe("3300.md/crm", every: 30s)
probe("sms.3300.md",   every: 30s)
probe("rentos365.app", every: 30s)
uptime.window("90d").render()
alert.telegram(on: "degraded")
sla.target = 99.95
incident.timeline.publish()
latency.p99 < 330ms ? ok : warn
// history: 0 outages
heartbeat.emit("alive")