Merge pull request #445 from matiu/feature/cleanup01

removes unused / obsolete class "Sign.js"

browser/build.js

@@ -37,7 +37,6 @@ var modules = [
   'lib/Script',
   'lib/ScriptInterpreter',
   'lib/SecureRandom',
-  'lib/Sign',
   'lib/sjcl',
   'lib/Transaction',
   'lib/TransactionBuilder',

lib/Sign.js

@@ -1,128 +0,0 @@
-function signOne(hash, addrStr, keys) {
-  var keyObj = keys[addrStr];
-  var rawPrivKey = new Buffer(keyObj.priv, 'hex');
-  var key = new KeyModule.Key();
-  key.private = rawPrivKey;
-  var signature = key.signSync(hash);
-
-  return signature;
-}
-
-function signTxIn(nIn, tx, txInputs, network, keys, scripts) {
-  // locate TX input needing a signature
-  var txin = tx.ins[nIn];
-  var scriptSig = txin.getScript();
-
-  // locate TX output, within txInputs
-  var txoutHash = txin.getOutpointHash();
-  if (!(txoutHash in txInputs))
-    throw new Error("signTxIn missing input hash");
-  var txFrom = txInputs[txoutHash];
-  var txoutIndex = txin.getOutpointIndex();
-  if (txFrom.outs.length >= txoutIndex)
-    throw new Error("signTxIn missing input index");
-  var txout = txFrom.outs[txoutIndex];
-  var scriptPubKey = txout.getScript();
-
-  // detect type of transaction, and extract useful elements
-  var txType = scriptPubKey.classify();
-  if (txType == TX_UNKNOWN)
-    throw new Error("unknown TX type");
-  var scriptData = scriptPubKey.capture();
-
-  // if P2SH, lookup the script
-  var subscriptRaw = undefined;
-  var subscript = undefined;
-  var subType = undefined;
-  var subData = undefined;
-  if (txType == TX_SCRIPTHASH) {
-    var addr = new Address(network.P2SHVersion, scriptData[0]);
-    var addrStr = addr.toString();
-    if (!(addrStr in scripts))
-      throw new Error("unknown script hash address");
-
-    subscriptRaw = new Buffer(scripts[addrStr], 'hex');
-    subscript = new Script(subscriptRaw);
-    subType = subscript.classify();
-    if (subType == TX_UNKNOWN)
-      throw new Error("unknown subscript TX type");
-    subData = subscript.capture();
-  }
-
-  var hash = tx.hashForSignature(scriptPubKey, i, 0);
-
-  switch (txType) {
-    case TX_PUBKEY:
-      // already signed
-      if (scriptSig.chunks.length > 0)
-        return;
-
-      var pubkeyhash = util.sha256ripe160(scriptData[0]);
-      var addr = new Address(network.addressVersion, pubkeyhash);
-      var addrStr = addr.toString();
-      if (!(addrStr in keys))
-        throw new Error("unknown pubkey");
-
-      var signature = signOne(hash, addrStr, keys);
-      scriptSig.writeBytes(signature);
-      break;
-
-    case TX_PUBKEYHASH:
-      // already signed
-      if (scriptSig.chunks.length > 0)
-        return;
-
-      var addr = new Address(network.addressVersion, scriptData[0]);
-      var addrStr = addr.toString();
-      if (!(addrStr in keys))
-        throw new Error("unknown pubkey hash address");
-
-      var signature = signOne(hash, addrStr, keys);
-      scriptSig.writeBytes(signature);
-      scriptSig.writeBytes(key.public);
-      break;
-
-    case TX_SCRIPTHASH:
-      // already signed
-      if (scriptSig.chunks.length > 0)
-        return;
-
-      var addr = new Address(network.addressVersion, subData[0]);
-      var addrStr = addr.toString();
-      if (!(addrStr in keys))
-        throw new Error("unknown script(pubkey hash) address");
-
-      var signature = signOne(hash, addrStr, keys);
-      scriptSig.writeBytes(signature);
-      scriptSig.writeBytes(key.public);
-      break;
-
-    case TX_MULTISIG:
-      while (scriptSig.chunks.length < scriptData.length) {
-        scriptSig.writeBytes(util.EMPTY_BUFFER);
-      }
-      for (var i = 0; i < scriptData.length; i++) {
-        // skip already signed
-        if (scriptSig.chunks[i].length > 0)
-          continue;
-
-        var pubkeyhash = util.sha256ripe160(scriptSig.chunks[i]);
-        var addr = new Address(network.addressVersion, pubkeyhash);
-        var addrStr = addr.toString();
-        if (!(addrStr in keys))
-          continue;
-
-        var signature = signOne(hash, addrStr, keys);
-        scriptSig.chunks[i] = signature;
-      }
-      break;
-  }
-
-  if (txtype == TX_SCRIPTHASH)
-    scriptSig.writeBytes(subscriptRaw);
-}
-
-exports.Transaction = function Transaction(tx, txInputs, network, keys, scripts) {
-  for (var i = 0; i < tx.ins.length; i++)
-    signTxIn(i, tx, txInputs, network, keys, scripts);
-};