Merge pull request #770 from chaotixkilla/chore-downgrade-dev-env-node6

Downgrade dev environment to node 6

lib/bill_math.js

@@ -57,16 +57,16 @@ function unmergeCassettes(cassettes, output) {
 
     const amountNeeded = map[it.denomination]
     if (!amountNeeded) {
-      return response.push({ provisioned: 0, ...value })
+      return response.push(Object.assign({ provisioned: 0 }, value))
     }
 
     if (amountNeeded < it.count) {
       map[it.denomination] = 0
-      return response.push({ provisioned: amountNeeded, ...value })
+      return response.push(Object.assign({ provisioned: amountNeeded }, value))
     }
 
     map[it.denomination] -= it.count
-    return response.push({ provisioned: it.count, ...value })
+    return response.push(Object.assign({ provisioned: it.count }, value))
   }, cassettes)
 
   return response
@@ -109,7 +109,6 @@ function makeChange(outCassettes, amount) {
   )
 
   if (available < amount) {
-    console.log(`Tried to dispense more than was available for amount ${amount.toNumber()} with cassettes ${JSON.stringify(cassettes)}`)
     return null
   }
 
@@ -136,8 +135,6 @@ function makeChangeDynamicBruteForce(outCassettes, amount, available) {
   const { denomination: denomination2, count: count2 } = cassettes[2]
   const { denomination: denomination3, count: count3 } = cassettes[3]
 
-  const startTime = new Date().getTime()
-
   loop1: for (let i = 0; i <= count0; i++) {
     const firstSum = i * denomination0
 

shell.nix

@@ -1,14 +1,14 @@
 with import (fetchTarball {
   name = "nixpkgs-19.03";
-  url = https://github.com/NixOS/nixpkgs-channels/archive/f52505fac8c82716872a616c501ad9eff188f97f.tar.gz;
-  sha256 = "0q2m2qhyga9yq29yz90ywgjbn9hdahs7i8wwlq7b55rdbyiwa5dy";
+  url = https://github.com/NixOS/nixpkgs-channels/archive/69fabc286f745bca37a8cbead3665de31758e778.tar.gz;
+  sha256 = "0mkqv8d4vh6r1b34n7ik0gpzqhf60sj1masd89jndlckvklqh69j";
 }) {};
 
 
 stdenv.mkDerivation {
     name = "node";
     buildInputs = [
-      nodejs-8_x
+      nodejs-6_x
       openssl_1_0_2
       python2Full
       entr
@@ -18,4 +18,4 @@ stdenv.mkDerivation {
     shellHook = ''
         export PATH="$PWD/node_modules/.bin/:$PATH"
     '';
-}
+}