Network-Aware JWT Authentication and BTC Address Balance Query Interface

packages/core/package.json

@@ -78,4 +78,4 @@
     "ws": "^8.18.0"
   },
   "packageManager": "pnpm@10.8.1"
-}
+}

packages/core/src/signer/btc/signerBtc.ts

@@ -1,7 +1,7 @@
 import { Address } from "../../address/index.js";
 import { bytesConcat, bytesFrom } from "../../bytes/index.js";
 import { Transaction, TransactionLike, WitnessArgs } from "../../ckb/index.js";
-import { KnownScript } from "../../client/index.js";
+import { Client, KnownScript } from "../../client/index.js";
 import { HexLike, hexFrom } from "../../hex/index.js";
 import { numToBytes } from "../../num/index.js";
 import { Signer, SignerSignType, SignerType } from "../signer/index.js";
@@ -14,6 +14,10 @@ import { btcEcdsaPublicKeyHash } from "./verify.js";
  * @public
  */
 export abstract class SignerBtc extends Signer {
+  constructor(client: Client) {
+    super(client);
+  }
+
   get type(): SignerType {
     return SignerType.BTC;
   }
@@ -123,4 +127,21 @@ export abstract class SignerBtc extends Signer {
     tx.setWitnessArgsAt(info.position, witness);
     return tx;
   }
+
+  /**
+   * Signs a Partially Signed Bitcoin Transaction (PSBT).
+   *
+   * @param psbtHex - The hex string of PSBT to sign
+   * @returns A promise that resolves to the signed PSBT hex string
+   * @todo Add support for Taproot signing options (useTweakedSigner, etc.)
+   */
+  abstract signPsbt(psbtHex: string): Promise<string>;
+
+  /**
+   * Broadcasts a signed PSBT to the Bitcoin network.
+   *
+   * @param psbtHex - The hex string of signed PSBT to broadcast
+   * @returns A promise that resolves to the transaction ID
+   */
+  abstract pushPsbt(psbtHex: string): Promise<string>;
 }

packages/core/src/signer/btc/signerBtcPublicKeyReadonly.ts

@@ -70,4 +70,12 @@ export class SignerBtcPublicKeyReadonly extends SignerBtc {
   async getBtcPublicKey(): Promise<Hex> {
     return this.publicKey;
   }
+
+  async signPsbt(_: string): Promise<string> {
+    throw new Error("Read-only signer does not support signPsbt");
+  }
+
+  async pushPsbt(_: string): Promise<string> {
+    throw new Error("Read-only signer does not support pushPsbt");
+  }
 }

packages/demo/package.json

@@ -17,6 +17,7 @@
   "dependencies": {
     "@lit/react": "^1.0.5",
     "@uiw/react-json-view": "2.0.0-alpha.30",
+    "bitcoinjs-lib": "6.1.6",
     "lucide-react": "^0.427.0",
     "next": "14.2.10",
     "react": "^18",
@@ -25,6 +26,7 @@
   "devDependencies": {
     "@ckb-ccc/connector-react": "workspace:*",
     "@ckb-ccc/lumos-patches": "workspace:*",
+    "@ckb-ccc/rgbpp": "workspace:*",
     "@ckb-ccc/ssri": "workspace:*",
     "@ckb-ccc/udt": "workspace:*",
     "@ckb-lumos/ckb-indexer": "^0.24.0-next.1",