From b5ad8583930add13bb038b2f1b34c3a437074e98 Mon Sep 17 00:00:00 2001
From: ian <ian@cryptape.com>
Date: Tue, 5 Mar 2024 14:24:58 +0800
Subject: [PATCH] :sparkles: Export tx file for ckb-cli

---
 src/TransactionPage.js |  1 -
 src/lib/ckb-address.js |  6 ++++++
 src/lib/transaction.js | 40 +++++++++++++++++++++++++++++++++++++++-
 3 files changed, 45 insertions(+), 2 deletions(-)

diff --git a/src/TransactionPage.js b/src/TransactionPage.js
index 1257041..df02305 100644
--- a/src/TransactionPage.js
+++ b/src/TransactionPage.js
@@ -68,7 +68,6 @@ function ResolveInputs({ endpoint, transaction, resolveInputs }) {
       );
       setState({ isProcessing: false, error: null });
     } catch (error) {
-      console.error(error.stack);
       setState({
         isProcessing: false,
         error: `Failed to resolve inputs: ${error}`,
diff --git a/src/lib/ckb-address.js b/src/lib/ckb-address.js
index ffaae2b..9b39622 100644
--- a/src/lib/ckb-address.js
+++ b/src/lib/ckb-address.js
@@ -97,3 +97,9 @@ export function decodeDeprecatedSecp256k1Address(address) {
     // ignore
   }
 }
+
+export function encodeDeprecatedSecp256k1Address(args) {
+  const data = [1, 0, ...Array.from(decodeHex(args.slice(2)))];
+  const words = bech32.toWords(data);
+  return bech32.encode("ckt", words, 1023);
+}
diff --git a/src/lib/transaction.js b/src/lib/transaction.js
index 8e29041..773ee7e 100644
--- a/src/lib/transaction.js
+++ b/src/lib/transaction.js
@@ -14,6 +14,7 @@ import {
   SECP256K1_CODE_HASH,
   SECP256K1_MULTISIG_CODE_HASH,
   decodeCkbAddress,
+  encodeDeprecatedSecp256k1Address,
 } from "./ckb-address.js";
 import { importMultisigAddresses } from "./multisig-address.js";
 import {
@@ -603,7 +604,7 @@ export function exportBuildingPacket(bp, format) {
     for (const output of bp.value.payload.outputs) {
       fee = fee - BigInt(output.capacity);
     }
-    for (const output of bp.value.payload.outputs) {
+    for (const output of bp.value.resolved_inputs.outputs) {
       const lockHash =
         "0x" +
         ckbHasher()
@@ -716,6 +717,43 @@ export function exportBuildingPacket(bp, format) {
       status: "PartiallySigned",
       context: [bp.value.payload],
     };
+  } else if (format === "ckb-cli") {
+    // eslint-disable-next-line no-unused-vars
+    const { hash, ...transaction } = bp.value.payload;
+    const signatures = {};
+    const multisig_configs = {};
+    for (const output of bp.value.resolved_inputs.outputs) {
+      if (
+        output.lock.code_hash === SECP256K1_MULTISIG_CODE_HASH_HEX &&
+        !(output.lock.args in multisig_configs)
+      ) {
+        const lockHash =
+          "0x" +
+          ckbHasher()
+            .update(Script.pack(Script.parse(output.lock)))
+            .digest("hex");
+        const action = bp.value.lock_actions.find(
+          (item) => item.script_hash === lockHash,
+        );
+        const da = toJson(
+          MultisigAction.unpack(decodeHex(action.data.slice(2))),
+        );
+        multisig_configs[output.lock.args] = {
+          sighash_addresses: da.config.signer_pubkey_hashes.map((args) =>
+            encodeDeprecatedSecp256k1Address(args),
+          ),
+          require_first_n: parseInt(da.config.require_first_n, 16),
+          threshold: parseInt(da.config.threshold, 16),
+        };
+        signatures[output.lock.args] = da.signed.map((item) => item.signature);
+      }
+    }
+
+    return {
+      transaction,
+      signatures,
+      multisig_configs,
+    };
   }
 
   return bp;