Miner address validation based on pool address

config_example.json

@@ -18,7 +18,6 @@
         "enabled": true,
         "clusterForks": "auto",
         "poolAddress": "48Y4SoUJM5L3YXBEfNQ8bFNsvTNsqcH5Rgq8RF7BwpgvTBj2xr7CmWVanaw7L4U9MnZ4AG7U6Pn1pBhfQhFyFZ1rL1efL8z",
-        "addressBase58Prefix": 18,
         "blockRefreshInterval": 1000,
         "minerTimeout": 900,
         "ports": [

lib/pool.js

@@ -44,6 +44,8 @@ var shareTrustMinFloat = shareTrustEnabled ? config.poolServer.shareTrust.min /
 
 var banningEnabled = config.poolServer.banning && config.poolServer.banning.enabled;
 
+var addressBase58Prefix = cnUtil.address_decode(config.poolServer.poolAddress);
+
 
 setInterval(function(){
     var now = Date.now() / 1000 | 0;
@@ -440,7 +442,7 @@ function handleMinerMethod(method, params, ip, portData, sendReply, pushMessage)
                 sendReply('missing login');
                 return;
             }
-            if (!utils.isValidAddress(params.login, config.poolServer.addressBase58Prefix)){
+            if (addressBase58Prefix !== cnUtil.address_decode(params.login)){
                 sendReply('invalid address used for login');
                 return;
             }

lib/utils.js

@@ -46,12 +46,3 @@ exports.ringBuffer = function(maxSize){
 exports.varIntEncode = function(n){
 
 };
-
-exports.isValidAddress = function(addr, prefix){
-    try{
-        return cnUtil.check_address(new Buffer(addr), prefix);
-    }
-    catch(e){
-        return false;
-    }
-};