From 52570d3d404698a0cb423d24a9237fa5c963dbcd Mon Sep 17 00:00:00 2001
From: Matias Alejo Garcia <ematiu@gmail.com>
Date: Tue, 23 Feb 2016 13:54:26 -0300
Subject: [PATCH 1/2] change log level

---
 lib/server.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/server.js b/lib/server.js
index af90246..a26fc58 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -1161,7 +1161,7 @@ WalletService.prototype._sampleFeeLevels = function(network, points, cb) {
     var levels = _.zipObject(_.map(points, function(p) {
       var feePerKb = _.isObject(result) ? +result[p] : -1;
       if (feePerKb < 0) {
-        log.warn('Could not compute fee estimation (nbBlocks=' + p + ')');
+        log.info('Could not compute fee estimation (nbBlocks=' + p + ')');
       }
       return [p, Utils.strip(feePerKb * 1e8)];
     }));

From 791330e82f203f81cf0ce21250fba56090f7189d Mon Sep 17 00:00:00 2001
From: Matias Alejo Garcia <ematiu@gmail.com>
Date: Tue, 23 Feb 2016 16:00:34 -0300
Subject: [PATCH 2/2] better logs

---
 lib/server.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/lib/server.js b/lib/server.js
index a26fc58..c7c70a4 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -1158,14 +1158,20 @@ WalletService.prototype._sampleFeeLevels = function(network, points, cb) {
       return cb(err);
     }
 
+    var failed = [];
     var levels = _.zipObject(_.map(points, function(p) {
       var feePerKb = _.isObject(result) ? +result[p] : -1;
-      if (feePerKb < 0) {
-        log.info('Could not compute fee estimation (nbBlocks=' + p + ')');
-      }
+      if (feePerKb < 0)
+        failed.push(p);
+
       return [p, Utils.strip(feePerKb * 1e8)];
     }));
 
+    if (failed.length) {
+      var logger = network == 'livenet' ? log.warn : log.debug;
+      logger('Could not compute fee estimation in ' + network + ': ' + failed.join(','));
+    }
+
     return cb(null, levels);
   });
 };