Network specific constants reference the latest tags

src/networks.js

@@ -11,8 +11,8 @@ var networks = {
     pubKeyHash: 0x00,
     scriptHash: 0x05,
     wif: 0x80,
-    dustThreshold: 546,
-    feePerKb: 10000,
+    dustThreshold: 546, // https://github.com/bitcoin/bitcoin/blob/v0.9.2/src/core.h#L151-L162
+    feePerKb: 10000, // https://github.com/bitcoin/bitcoin/blob/v0.9.2/src/main.cpp#L53
     estimateFee: estimateFee('bitcoin')
   },
   dogecoin: {
@@ -24,9 +24,9 @@ var networks = {
     pubKeyHash: 0x1e,
     scriptHash: 0x16,
     wif: 0x9e,
-    dustThreshold: 0,
-    dustSoftThreshold: 100000000,
-    feePerKb: 100000000,
+    dustThreshold: 0, // https://github.com/dogecoin/dogecoin/blob/v1.7.1/src/core.h#L155-L160
+    dustSoftThreshold: 100000000, // https://github.com/dogecoin/dogecoin/blob/v1.7.1/src/main.h#L62
+    feePerKb: 100000000, // https://github.com/dogecoin/dogecoin/blob/v1.7.1/src/main.cpp#L58
     estimateFee: estimateFee('dogecoin')
   },
   litecoin: {
@@ -38,9 +38,9 @@ var networks = {
     pubKeyHash: 0x30,
     scriptHash: 0x05,
     wif: 0xb0,
-    dustThreshold: 0,
-    dustSoftThreshold: 100000,
-    feePerKb: 100000,
+    dustThreshold: 0, // https://github.com/litecoin-project/litecoin/blob/v0.8.7.2/src/main.cpp#L360-L365
+    dustSoftThreshold: 100000, // https://github.com/litecoin-project/litecoin/blob/v0.8.7.2/src/main.h#L53
+    feePerKb: 100000, // https://github.com/litecoin-project/litecoin/blob/v0.8.7.2/src/main.cpp#L56
     estimateFee: estimateFee('litecoin')
   },
   testnet: {