Update dependencies

.gitignore

@@ -32,6 +32,7 @@ Temporary Items
 logs
 *.log
 npm-debug.log*
+package-lock.json
 
 # Runtime data
 pids
@@ -43,6 +44,7 @@ lib-cov
 
 # Coverage directory used by tools like istanbul
 coverage
+.nyc_output
 
 # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
 .grunt

index.js

@@ -19,13 +19,13 @@ const BN = ethUtil.BN
 const rlp = ethUtil.rlp
 
 // geth compatible db keys
-const headHeaderKey = 'LastHeader'      // current canonical head for light sync
-const headBlockKey = 'LastBlock'        // current canonical head for full sync
-const headerPrefix = new Buffer('h')    // headerPrefix + number + hash -> header
-const tdSuffix = new Buffer('t')        // headerPrefix + number + hash + tdSuffix -> td
-const numSuffix = new Buffer('n')       // headerPrefix + number + numSuffix -> hash
+const headHeaderKey = 'LastHeader' // current canonical head for light sync
+const headBlockKey = 'LastBlock' // current canonical head for full sync
+const headerPrefix = new Buffer('h') // headerPrefix + number + hash -> header
+const tdSuffix = new Buffer('t') // headerPrefix + number + hash + tdSuffix -> td
+const numSuffix = new Buffer('n') // headerPrefix + number + numSuffix -> hash
 const blockHashPrefix = new Buffer('H') // blockHashPrefix + hash -> number
-const bodyPrefix = new Buffer('b')      // bodyPrefix + number + hash -> block body
+const bodyPrefix = new Buffer('b') // bodyPrefix + number + hash -> block body
 
 // utility functions
 const bufBE8 = n => n.toBuffer('be', 8) // convert BN to big endian Buffer

package.json

@@ -4,8 +4,8 @@
   "description": "A module to store and interact with blocks",
   "main": "index.js",
   "scripts": {
-    "coverage": "istanbul cover ./test/index.js",
-    "coveralls": "npm run coverage && coveralls <coverage/lcov.info",
+    "coverage": "nyc npm run test && nyc report --reporter=text-lcov > .nyc_output/lcov.info",
+    "coveralls": "npm run coverage && coveralls <.nyc_output/lcov.info",
     "lint": "standard",
     "test": "tape ./test/index.js"
   },
@@ -27,7 +27,7 @@
     "async": "^2.1.2",
     "ethashjs": "~0.0.7",
     "ethereumjs-block": "~1.7.0",
-    "ethereumjs-util": "~5.1.0",
+    "ethereumjs-util": "~5.2.0",
     "flow-stoplight": "^1.0.0",
     "levelup": "^1.3.0",
     "memdown": "^1.1.0",
@@ -37,8 +37,8 @@
   },
   "devDependencies": {
     "coveralls": "^3.0.0",
-    "istanbul": "^0.4.2",
-    "standard": "^10.0.0-beta.0",
+    "nyc": "^11.8.0",
+    "standard": "^11.0.1",
     "tape": "^4.2.1"
   }
 }