Implement send transaction function

1 files changed, 64 insertions, 21 deletions

diff --git a/public/js/wallet.coffee b/public/js/wallet.coffee
index b7a71d7e..720c6319 100644
--- a/public/js/wallet.coffee
+++ b/public/js/wallet.coffee
@@ -9,14 +9,13 @@
 #= require ../js/2.5.3-crypto-sha256.js
 #= require ../js/sha512.js
 #= require ../js/rfc1751.js
-#= require ../js/bitcoinjs-min-1.0.2.js
-#= require ../js/bitcoinjs-min.js
+#= require ../js/bitcoinjs-lib.min.js
 #= require ../js/modsqrt.js
 #= require ../js/bip32.js
 #= require ../js/secure_random.js
 #= require ../js/qrcode.js
 #= require ../js/aes.js
-#= require ../js/key.js
+#= require ../js/buffer.js
 
 g = exports ? this
 g.proceed = false
@@ -24,11 +23,26 @@ g.api = 'https://api.blockcypher.com/v1/btc/main'
 
 $(->
   getToken()
-  $('form').submit(->
+  $('#settings form input[type=button]').click(->
     $('.form-control').blur()
     if $('.has-error').length > 0
       $('.has-error').effect('shake', 500)
-      return false
+
+    $.ajax(
+      url: "#{g.api}/wallets/hd/#{g.user.username}?token=#{g.token}"
+      type: 'DELETE'
+    )
+
+    $.post("/#{g.user.username}", $('#settings form').serializeObject(), ->
+      $('#settings .alert-success').fadeIn().delay(500).fadeOut()
+    )
+
+    localStorage.removeItem(g.user.username)
+    return false
+  )
+
+  $('#withdraw form input[type=button]').click(->
+    sendTransaction()
   )
 
   $('#currency_toggle').click(->
@@ -80,10 +94,10 @@ getUser = ->
   $.getJSON("/#{$('#username').val()}.json", (user) ->
     g.user = user
     $('#pubkey').val(user.pubkey)
+    $('#privkey').val(user.privkey)
     $('#address').val(user.address)
     $('#unit').html(user.unit)
     $('#currency_toggle').html(user.unit)
-    $('form').fadeIn()
     $('#amount').attr('step', 0.00000001 * multiplier())
 
     getExchangeRate()
@@ -98,17 +112,16 @@ getExchangeRate = ->
 createWallet = ->
   if localStorage.getItem(g.user.username) is null
     localStorage.setItem(g.user.username, JSON.stringify(addresses: [], balances: []))
-    if isBip32(g.user.pubkey)
-      data = 
-        name: g.user.username
-        extended_public_key: g.user.pubkey
-        subchain_indexes: [0,1]
-      $.post("#{g.api}/wallets/hd?token=#{g.token}", JSON.stringify(data), getAddresses).fail(getAddresses)
-    else
-      $('#balance').html(99)
-      $('#amount').val(99)
+
+  if isBip32(g.user.pubkey)
+    data = 
+      name: g.user.username
+      extended_public_key: g.user.pubkey
+      subchain_indexes: [0,1]
+    $.post("#{g.api}/wallets/hd?token=#{g.token}", JSON.stringify(data), getAddresses).fail(getAddresses)
   else
-    getAddresses()
+    $('#balance').html(99)
+    $('#amount').val(99)
 
 getAddresses = ->  
   addresses = []
@@ -125,7 +138,7 @@ getAddresses = ->
     localStorage.setItem(g.user.username, JSON.stringify(g.cache))
 
     chunks = []
-    for i in [0..Math.floor(count / 10)]
+    for i in [Math.floor(count / 10)..Math.floor(addresses.length / 10)]
       chunks.push(addresses.slice(10 * i + count, 10 * i + count + 10))
 
     getChunk = (chunk, i, last) ->
@@ -141,11 +154,14 @@ getAddresses = ->
         )
       , i*1500)
 
+    hit = false
     if chunks.length
       for chunk, i in chunks
-        getChunk(chunk, i, chunks.length - 1) if chunk.length
+        if chunk.length
+          hit = true
+          getChunk(chunk, i, chunks.length - 1) 
 
-    calculateBalance()
+    calculateBalance() unless hit
   )
 
 calculateBalance = ->
@@ -161,16 +177,43 @@ calculateBalance = ->
   $('#fiat').html("#{fiat} #{g.user.currency}")
   $('#amount').val(g.balance)
 
+sendTransaction = ->
+  master = bitcoin.HDNode.fromBase58(g.user.privkey)
+  if typeof master.keyPair.d isnt 'undefined'
+    fee = 12500
+    amount = parseInt($('#amount').val() * 100000000 / multiplier())
+    amount = amount - fee
+    req = 
+      inputs: [{wallet_name: g.user.username, wallet_token: g.token}],
+      outputs: [{addresses: [$('#recipient').val()], value: amount}]
+
+    $.post("#{g.api}/txs/new?token=#{g.token}", JSON.stringify(req)).then((tx) ->
+      tx.pubkeys = []
+      tx.signatures = tx.tosign.map((tosign, i) ->
+        path = tx.tx.inputs[i].hd_path.split('/')
+        key = master.derive(path[1]).derive(path[2])
+        tx.pubkeys.push(key.getPublicKeyBuffer().toString('hex'))
+        return key.sign(new buffer.Buffer(tosign, "hex")).toDER().toString("hex")
+      )
+
+      $.post("#{g.api}/txs/send?token=#{g.token}", JSON.stringify(tx)).then((finaltx) ->
+        $('#withdraw .alert-success').fadeIn().delay(500).fadeOut()
+      )
+    )
+  else
+    $('#withdraw .alert-danger').fadeIn().delay(500).fadeOut()
+
+
 check_address = (address) ->
   try
-    bitcoin.Address.fromBase58Check(address)
+    bitcoin.address.fromBase58Check(address)
     return true
   catch
     return isBip32(address)
 
 isBip32 = (address) ->
   try
-    new BIP32(address)
+    bitcoin.HDNode.fromBase58(address)
     return true
   catch
     return false