create daemon

thrower_daemon/node_modules/nostr-tools/lib/esm/nip18.js

@@ -0,0 +1,165 @@
+// pure.ts
+import { schnorr } from "@noble/curves/secp256k1";
+import { bytesToHex as bytesToHex2 } from "@noble/hashes/utils";
+
+// core.ts
+var verifiedSymbol = Symbol("verified");
+var isRecord = (obj) => obj instanceof Object;
+function validateEvent(event) {
+  if (!isRecord(event))
+    return false;
+  if (typeof event.kind !== "number")
+    return false;
+  if (typeof event.content !== "string")
+    return false;
+  if (typeof event.created_at !== "number")
+    return false;
+  if (typeof event.pubkey !== "string")
+    return false;
+  if (!event.pubkey.match(/^[a-f0-9]{64}$/))
+    return false;
+  if (!Array.isArray(event.tags))
+    return false;
+  for (let i2 = 0; i2 < event.tags.length; i2++) {
+    let tag = event.tags[i2];
+    if (!Array.isArray(tag))
+      return false;
+    for (let j = 0; j < tag.length; j++) {
+      if (typeof tag[j] !== "string")
+        return false;
+    }
+  }
+  return true;
+}
+
+// pure.ts
+import { sha256 } from "@noble/hashes/sha256";
+
+// utils.ts
+import { bytesToHex, hexToBytes } from "@noble/hashes/utils";
+var utf8Decoder = new TextDecoder("utf-8");
+var utf8Encoder = new TextEncoder();
+
+// pure.ts
+var JS = class {
+  generateSecretKey() {
+    return schnorr.utils.randomPrivateKey();
+  }
+  getPublicKey(secretKey) {
+    return bytesToHex2(schnorr.getPublicKey(secretKey));
+  }
+  finalizeEvent(t, secretKey) {
+    const event = t;
+    event.pubkey = bytesToHex2(schnorr.getPublicKey(secretKey));
+    event.id = getEventHash(event);
+    event.sig = bytesToHex2(schnorr.sign(getEventHash(event), secretKey));
+    event[verifiedSymbol] = true;
+    return event;
+  }
+  verifyEvent(event) {
+    if (typeof event[verifiedSymbol] === "boolean")
+      return event[verifiedSymbol];
+    const hash = getEventHash(event);
+    if (hash !== event.id) {
+      event[verifiedSymbol] = false;
+      return false;
+    }
+    try {
+      const valid = schnorr.verify(event.sig, hash, event.pubkey);
+      event[verifiedSymbol] = valid;
+      return valid;
+    } catch (err) {
+      event[verifiedSymbol] = false;
+      return false;
+    }
+  }
+};
+function serializeEvent(evt) {
+  if (!validateEvent(evt))
+    throw new Error("can't serialize event with wrong or missing properties");
+  return JSON.stringify([0, evt.pubkey, evt.created_at, evt.kind, evt.tags, evt.content]);
+}
+function getEventHash(event) {
+  let eventHash = sha256(utf8Encoder.encode(serializeEvent(event)));
+  return bytesToHex2(eventHash);
+}
+var i = new JS();
+var generateSecretKey = i.generateSecretKey;
+var getPublicKey = i.getPublicKey;
+var finalizeEvent = i.finalizeEvent;
+var verifyEvent = i.verifyEvent;
+
+// kinds.ts
+var ShortTextNote = 1;
+var Repost = 6;
+var GenericRepost = 16;
+
+// nip18.ts
+function finishRepostEvent(t, reposted, relayUrl, privateKey) {
+  let kind;
+  const tags = [...t.tags ?? [], ["e", reposted.id, relayUrl], ["p", reposted.pubkey]];
+  if (reposted.kind === ShortTextNote) {
+    kind = Repost;
+  } else {
+    kind = GenericRepost;
+    tags.push(["k", String(reposted.kind)]);
+  }
+  return finalizeEvent(
+    {
+      kind,
+      tags,
+      content: t.content === "" || reposted.tags?.find((tag) => tag[0] === "-") ? "" : JSON.stringify(reposted),
+      created_at: t.created_at
+    },
+    privateKey
+  );
+}
+function getRepostedEventPointer(event) {
+  if (![Repost, GenericRepost].includes(event.kind)) {
+    return void 0;
+  }
+  let lastETag;
+  let lastPTag;
+  for (let i2 = event.tags.length - 1; i2 >= 0 && (lastETag === void 0 || lastPTag === void 0); i2--) {
+    const tag = event.tags[i2];
+    if (tag.length >= 2) {
+      if (tag[0] === "e" && lastETag === void 0) {
+        lastETag = tag;
+      } else if (tag[0] === "p" && lastPTag === void 0) {
+        lastPTag = tag;
+      }
+    }
+  }
+  if (lastETag === void 0) {
+    return void 0;
+  }
+  return {
+    id: lastETag[1],
+    relays: [lastETag[2], lastPTag?.[2]].filter((x) => typeof x === "string"),
+    author: lastPTag?.[1]
+  };
+}
+function getRepostedEvent(event, { skipVerification } = {}) {
+  const pointer = getRepostedEventPointer(event);
+  if (pointer === void 0 || event.content === "") {
+    return void 0;
+  }
+  let repostedEvent;
+  try {
+    repostedEvent = JSON.parse(event.content);
+  } catch (error) {
+    return void 0;
+  }
+  if (repostedEvent.id !== pointer.id) {
+    return void 0;
+  }
+  if (!skipVerification && !verifyEvent(repostedEvent)) {
+    return void 0;
+  }
+  return repostedEvent;
+}
+export {
+  finishRepostEvent,
+  getRepostedEvent,
+  getRepostedEventPointer
+};