import working

bit-wallet/bit

@@ -16,6 +16,7 @@ program
   .command('broadcast <txpId>', 'broadcast a transaction proposal to the Bitcoin network')
   .command('rm <txpId>', 'remove a transaction proposal')
   .command('export', 'export wallet critical data')
+  .command('import', 'import wallet critical data')
   .parse(process.argv);
 
 

lib/client/api.js

@@ -211,12 +211,15 @@ API.prototype._joinWallet = function(secret, copayerName, cb) {
     var wallet = body.wallet;
     var data = {
       copayerId: body.copayerId,
-      walletPrivKey: walletPrivKey.toWIF(),
+
-      signingPrivKey: signingPrivKey.toWIF(),
-      m: wallet.m,
-      n: wallet.n,
       publicKeyRing: wallet.publicKeyRing,
       network: wallet.network,
+      m: wallet.m,
+      n: wallet.n,
+
+      xPrivKey: xPrivKey,
+      walletPrivKey: walletPrivKey.toWIF(),
+      signingPrivKey: signingPrivKey.toWIF(),
     };
     self.storage.save(data, cb);
   });
@@ -304,8 +307,11 @@ API.prototype.export = function(cb) {
 
   this._loadAndCheck(function(err, data) {
     if (err) return cb(err);
-    var x = _.pick(data, WALLET_CRITICAL_DATA)
+    var v = [];
-    return cb(null, JSON.stringify(_.values(x)));
+    _.each(WALLET_CRITICAL_DATA, function(k) {
+      v.push(data[k]);
+    });
+    return cb(null, JSON.stringify(v));
   });
 }
 
@@ -313,16 +319,27 @@ API.prototype.export = function(cb) {
 API.prototype.import = function(str, cb) {
   var self = this;
 
-  var inData = JSON.parse(str);
+  this.storage.load(function(err, data) {
-  var data = {},
+    if (data)
-    i = 0;
+      return cb('Storage already contains a wallet');
 
-  _.each(WALLET_CRITICAL_DATA, function(k) {
+    data = {};
-    data[k] = inData[i++];
-  });
 
-  if (err) return cb(err);
+    var inData = JSON.parse(str);
-}
+    var i = 0;
+
+    _.each(WALLET_CRITICAL_DATA, function(k) {
+      data[k] = inData[i++];
+      if (!data[k])
+        return cb('Invalid wallet data');
+    });
+
+    data.m = data.publicKeyRing.length;
+    data.signingPrivKey = (new Bitcore.HDPrivateKey(data.xPrivKey)).derive('m/1/0').privateKey.toWIF();
+    data.network = data.xPrivKey.substr(0,4) === 'tprv' ? 'testnet' : 'livenet';
+    self.storage.save(data, cb);
+  });
+};
 
 
 API.prototype.getTxProposals = function(opts, cb) {