add export to text and qr

bit-wallet/bit

@@ -15,6 +15,7 @@ program
   .command('reject <txpId> [reason]', 'reject a transaction proposal')
   .command('broadcast <txpId>', 'broadcast a transaction proposal to the Bitcoin network')
   .command('rm <txpId>', 'remove a transaction proposal')
+  .command('export', 'export wallet critical data')
   .parse(process.argv);
 
 

bit-wallet/bit-export

@@ -0,0 +1,28 @@
+#!/usr/bin/env node
+
+var program = require('commander');
+var qr  = require('qr-image');
+
+var Client = require('../lib/client');
+var utils  = require('./cli-utils');
+
+program
+  .version('0.0.1')
+  .option('-c, --config [file]', 'Wallet config filename')
+  .option('-v, --verbose', 'be verbose')
+  .option('-q, --qr')
+  .parse(process.argv);
+
+var args = program.args;
+var client = utils.getClient(program);
+
+client.export(function(err, x) {
+  utils.die(err);
+  if (program.qr) {
+    var filename = program.config + '.svg';
+    var qr_svg = qr.image(x, { type: 'svg' });
+    qr_svg.pipe(require('fs').createWriteStream(filename));
+  } else {
+    console.log('Wallet Critical Data:\n', x);
+  }
+});

lib/client/api.js

@@ -309,66 +309,73 @@ API.prototype.getBalance = function(cb) {
   });
 };
 
+API.prototype.export = function(cb) {
+  var self = this;
+
+  this._loadAndCheck( function(err, data) {
+      if (err) return cb(err);
+      var x = _.pick(data,['publicKeyRing','xPrivKey', 'copayerId', 'signingPrivKey'])
+      return cb(null, JSON.stringify(x));
+    });
+}
 
 API.prototype.getTxProposals = function(opts, cb) {
   var self = this;
 
-  this._loadAndCheck(
-    function(err, data) {
-      if (err) return cb(err);
-      var url = '/v1/txproposals/';
-      self._doGetRequest(url, data, cb);
-    });
+  this._loadAndCheck(function(err, data) {
+    if (err) return cb(err);
+    var url = '/v1/txproposals/';
+    self._doGetRequest(url, data, cb);
+  });
 };
 
 API.prototype.signTxProposal = function(txp, cb) {
   var self = this;
 
-  this._loadAndCheck(
-    function(err, data) {
-      if (err) return cb(err);
+  this._loadAndCheck(function(err, data) {
+    if (err) return cb(err);
 
       if (!Verifier.checkTxProposal(data, txp)) {
         return cb(new ServerCompromisedError('Server sent fake transaction proposal'));
       }
 
 
-      //Derive proper key to sign, for each input
-      var privs = [],
-        derived = {};
+    //Derive proper key to sign, for each input
+    var privs = [],
+      derived = {};
 
-      var network = new Bitcore.Address(txp.toAddress).network.name;
-      var xpriv = new Bitcore.HDPrivateKey(data.xPrivKey, network);
+    var network = new Bitcore.Address(txp.toAddress).network.name;
+    var xpriv = new Bitcore.HDPrivateKey(data.xPrivKey, network);
 
-      _.each(txp.inputs, function(i) {
-        if (!derived[i.path]) {
-          derived[i.path] = xpriv.derive(i.path).privateKey;
-        }
-        privs.push(derived[i.path]);
-      });
-
-      var t = new Bitcore.Transaction();
-      _.each(txp.inputs, function(i) {
-        t.from(i, i.publicKeys, txp.requiredSignatures);
-      });
-
-      t.to(txp.toAddress, txp.amount)
-        .change(txp.changeAddress)
-        .sign(privs);
-
-      var signatures = [];
-      _.each(privs, function(p) {
-        var s = t.getSignatures(p)[0].signature.toDER().toString('hex');
-        signatures.push(s);
-      });
-
-      var url = '/v1/txproposals/' + txp.id + '/signatures/';
-      var args = {
-        signatures: signatures
-      };
-
-      self._doPostRequest(url, args, data, cb);
+    _.each(txp.inputs, function(i) {
+      if (!derived[i.path]) {
+        derived[i.path] = xpriv.derive(i.path).privateKey;
+      }
+      privs.push(derived[i.path]);
     });
+
+    var t = new Bitcore.Transaction();
+    _.each(txp.inputs, function(i) {
+      t.from(i, i.publicKeys, txp.requiredSignatures);
+    });
+
+    t.to(txp.toAddress, txp.amount)
+      .change(txp.changeAddress)
+      .sign(privs);
+
+    var signatures = [];
+    _.each(privs, function(p) {
+      var s = t.getSignatures(p)[0].signature.toDER().toString('hex');
+      signatures.push(s);
+    });
+
+    var url = '/v1/txproposals/' + txp.id + '/signatures/';
+    var args = {
+      signatures: signatures
+    };
+
+    self._doPostRequest(url, args, data, cb);
+  });
 };
 
 API.prototype.rejectTxProposal = function(txp, reason, cb) {

package.json

@@ -31,6 +31,7 @@
     "npmlog": "^0.1.1",
     "preconditions": "^1.0.7",
     "request": "^2.53.0",
+    "qr-image": "*",
     "uuid": "*"
   },
   "devDependencies": {