File size: 3,152 Bytes
e94832e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | /** Live monitoring and the custody ledger — the two endpoints that say what
* the system is doing right now, and what it has done. */
import { API_BASE } from "./client";
export interface MonitorStatus {
running: boolean;
started_at: string | null;
inbox: string;
files: number;
rows: number;
transactions: number;
duplicates: number;
alerts: number;
errors: number;
last_event: string | null;
pending?: string[];
poll_seconds?: number;
}
export interface FeedAlert {
entity_id: string;
risk_score: number;
reason: string;
pattern_types?: string[];
}
export interface FeedEvent {
type: "started" | "stopped" | "file" | "processed" | "error";
at: string;
name?: string;
bytes?: number;
file?: string;
rows?: number;
new_rows?: number;
transactions?: number;
duplicates?: number;
quarantined?: number;
reason?: string;
entities?: string[];
alerts?: FeedAlert[];
seconds?: number;
error?: string;
inbox?: string;
}
export interface CustodyEntry {
seq: number;
at: string;
action: string;
actor: string;
hash: string;
prev: string;
detail: {
files?: { path: string; sha256: string; bytes: number }[];
[key: string]: unknown;
};
}
export interface CustodyVerification {
entries: number;
chain_intact: boolean;
broken_at: number | null;
head: string;
files_changed: string[];
files_missing: string[];
note: string;
}
async function json<T>(path: string, init?: RequestInit): Promise<T> {
const response = await fetch(`${API_BASE}${path}`, init);
if (!response.ok) {
let detail = response.statusText;
try {
const body = await response.json();
if (typeof body?.detail === "string") detail = body.detail;
} catch {
/* the status line is all we have */
}
throw new Error(detail);
}
return (await response.json()) as T;
}
export const monitorApi = {
status: (signal?: AbortSignal) => json<MonitorStatus>("/monitor/status", { signal }),
feed: (signal?: AbortSignal) =>
json<{ events: FeedEvent[]; status: MonitorStatus }>("/monitor/feed?limit=50", { signal }),
start: () => json<MonitorStatus>("/monitor/start", { method: "POST" }),
stop: () => json<MonitorStatus>("/monitor/stop", { method: "POST" }),
simulate: (transactions = 40) =>
json<{ file: string }>(`/monitor/simulate?transactions=${transactions}`, { method: "POST" }),
/** Server-sent events for every arrival. Returns a closer. */
watch(onEvent: (event: FeedEvent) => void): () => void {
const source = new EventSource(`${API_BASE}/monitor/events`);
source.onmessage = (message) => {
try {
onEvent(JSON.parse(message.data) as FeedEvent);
} catch {
/* a keep-alive comment, not an event */
}
};
source.onerror = () => source.close();
return () => source.close();
},
};
export const custodyApi = {
log: (signal?: AbortSignal) =>
json<{ total: number; actor: string; head: string; entries: CustodyEntry[] }>(
"/custody?limit=200",
{ signal },
),
verify: (signal?: AbortSignal) => json<CustodyVerification>("/custody/verify", { signal }),
};
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