From 1fca8fe64558a378608df1071818e1f039656e2a Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Wed, 10 Aug 2016 18:38:39 -0700
Subject: [PATCH] rpc: add listunspent.

---
 lib/bcoin/http/rpc.js | 107 +++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 106 insertions(+), 1 deletion(-)

diff --git a/lib/bcoin/http/rpc.js b/lib/bcoin/http/rpc.js
index c4665db9..15e2c648 100644
--- a/lib/bcoin/http/rpc.js
+++ b/lib/bcoin/http/rpc.js
@@ -3019,10 +3019,101 @@ RPC.prototype.listtransactions = function listtransactions(args, callback) {
 };
 
 RPC.prototype.listunspent = function listunspent(args, callback) {
-  callback(new Error('Not implemented.'));
+  var self = this;
+  var minDepth = 1;
+  var maxDepth = 9999999;
+  var out = [];
+  var i, addresses, map, coin, depth, address, hash, ring;
+
+  if (args.help || args.length > 3) {
+    return callback(new RPCError('listunspent'
+      + ' ( minconf maxconf  ["address",...] )'));
+  }
+
+  if (args.length > 0)
+    minDepth = Number(args[0]);
+
+  if (args.length > 1)
+    maxDepth = Number(args[1]);
+
+  if (!utils.isNumber(minDepth) || !utils.isNumber(maxDepth))
+    return callback(new RPCError('Invalid parameter.'));
+
+  if (Array.isArray(args[2])) {
+    addresses = true;
+    map = {};
+    utils.forEachSerial(args[2], function(address, next) {
+      hash = bcoin.address.getHash(String(address), 'hex');
+
+      if (!hash)
+        return next(new RPCError('Invalid address.'));
+
+      if (map[hash])
+        return next(new RPCError('Duplicate address.'));
+
+      self.wallet.getKeyring(hash, function(err, ring) {
+        if (err)
+          return callback(err);
+
+        if (ring)
+          map[hash] = ring;
+
+        next();
+      });
+    }, function(err) {
+      if (err)
+        return callback(err);
+      self.wallet.getCoins(done);
+    });
+  } else {
+    this.wallet.getCoins(done);
+  }
+
+  function done(err, coins) {
+    if (err)
+      return callback(err);
+
+    for (i = 0; i < coins.length; i++) {
+      coin = coins[i];
+      depth = coin.height !== -1
+        ? self.chain.height - coin.height + 1
+        : 0;
+
+      if (!(depth > minDepth && depth < maxDepth))
+        continue;
+
+      address = coin.getAddress();
+      hash = coin.getHash('hex');
+      ring = hash ? map[hash] : null;
+
+      if (addresses && !ring)
+        continue;
+
+      out.push({
+        txid: utils.revHex(coin.hash),
+        vout: coin.index,
+        address: address ? address.toBase58() : null,
+        account: ring ? ring.name : undefined,
+        redeemScript: ring && ring.script
+          ? ring.script.toJSON()
+          : undefined,
+        scriptPubKey: coin.script.toJSON(),
+        amount: +utils.btc(coin.value),
+        confirmations: depth,
+        spendable: true,
+        solvable: true
+      });
+    }
+
+    callback(null, out);
+  }
 };
 
 RPC.prototype.lockunspent = function lockunspent(args, callback) {
+  if (args.help || args.length < 1 || args.length > 2) {
+    return callback(new RPCError('lockunspent'
+      + ' unlock ([{"txid":"txid","vout":n},...])'));
+  }
   callback(new Error('Not implemented.'));
 };
 
@@ -3206,6 +3297,20 @@ RPC.prototype.walletpassphrase = function walletpassphrase(args, callback) {
   });
 };
 
+RPC.prototype.importprunedfunds = function importprunedfunds(args, callback) {
+  if (args.help || args.length < 2 || args.length > 3) {
+    return callback(new RPCError('importprunedfunds'
+      + ' "rawtransaction" "txoutproof" ( "label" )'));
+  }
+  callback(new Error('Not implemented.'));
+};
+
+RPC.prototype.removeprunedfunds = function removeprunedfunds(args, callback) {
+  if (args.help || args.length !== 1)
+    return callback(new RPCError('removeprunedfunds "txid"'));
+  callback(new Error('Not implemented.'));
+};
+
 /*
  * Helpers
  */