diff --git a/.gitignore b/.gitignore
index 2c8d17d4f..7c53c0042 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,6 +37,3 @@ build/
 
 # truffle
 .node-xmlhttprequest-*
-
-# Temporary directory for 0.5.x compilation
-solc-0.5
diff --git a/package-lock.json b/package-lock.json
index 987840c10..2f87633da 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -106,33 +106,6 @@
       "integrity": "sha1-kbR5JYinc4wl813W9jdSovh3YTU=",
       "dev": true
     },
-    "accepts": {
-      "version": "1.3.5",
-      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
-      "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
-      "dev": true,
-      "requires": {
-        "mime-types": "~2.1.18",
-        "negotiator": "0.6.1"
-      },
-      "dependencies": {
-        "mime-db": {
-          "version": "1.33.0",
-          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.33.0.tgz",
-          "integrity": "sha512-BHJ/EKruNIqJf/QahvxwQZXKygOQ256myeN/Ew+THcAa5q+PjyTTMMeNQC4DZw5AwfvelsUrA6B67NKMqXDbzQ==",
-          "dev": true
-        },
-        "mime-types": {
-          "version": "2.1.18",
-          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.18.tgz",
-          "integrity": "sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==",
-          "dev": true,
-          "requires": {
-            "mime-db": "~1.33.0"
-          }
-        }
-      }
-    },
     "acorn": {
       "version": "5.7.1",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.1.tgz",
@@ -215,6 +188,12 @@
       "integrity": "sha512-haHyTW7Y9joE5MVs37P2lNYfU2RWBLfcRDD8OWldcdZm5TiCE91B5Xl1oWSwiDUSd4rlExpt2pu1fksYQjRBYQ==",
       "dev": true
     },
+    "app-module-path": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/app-module-path/-/app-module-path-2.2.0.tgz",
+      "integrity": "sha1-ZBqlXft9am8KgUHEucCqULbCTdU=",
+      "dev": true
+    },
     "argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -251,12 +230,6 @@
       "integrity": "sha1-7/UuN1gknTO+QCuLuOVkuytdQDE=",
       "dev": true
     },
-    "array-flatten": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
-      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=",
-      "dev": true
-    },
     "array-union": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/array-union/-/array-union-1.0.2.tgz",
@@ -320,12 +293,6 @@
       "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
       "dev": true
     },
-    "async-limiter": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
-      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==",
-      "dev": true
-    },
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -1611,50 +1578,6 @@
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       "dev": true
     },
-    "body-parser": {
-      "version": "1.18.3",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.3.tgz",
-      "integrity": "sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=",
-      "dev": true,
-      "requires": {
-        "bytes": "3.0.0",
-        "content-type": "~1.0.4",
-        "debug": "2.6.9",
-        "depd": "~1.1.2",
-        "http-errors": "~1.6.3",
-        "iconv-lite": "0.4.23",
-        "on-finished": "~2.3.0",
-        "qs": "6.5.2",
-        "raw-body": "2.3.3",
-        "type-is": "~1.6.16"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "iconv-lite": {
-          "version": "0.4.23",
-          "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.23.tgz",
-          "integrity": "sha512-neyTUVFtahjf0mB3dZT77u+8O0QB89jFdnBkd5P1JgYPbPaia3gXXOVL2fq8VyU2gMMD7SaN7QukTB/pmXYvDA==",
-          "dev": true,
-          "requires": {
-            "safer-buffer": ">= 2.1.2 < 3"
-          }
-        },
-        "qs": {
-          "version": "6.5.2",
-          "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
-          "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
-          "dev": true
-        }
-      }
-    },
     "brace-expansion": {
       "version": "1.1.8",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.8.tgz",
@@ -1717,12 +1640,6 @@
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       "dev": true
     },
-    "buffer-to-arraybuffer": {
-      "version": "0.0.5",
-      "resolved": "https://registry.npmjs.org/buffer-to-arraybuffer/-/buffer-to-arraybuffer-0.0.5.tgz",
-      "integrity": "sha1-YGSkD6dutDxyOrqe+PbhIW0QURo=",
-      "dev": true
-    },
     "buffer-xor": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/buffer-xor/-/buffer-xor-1.0.3.tgz",
@@ -1735,12 +1652,6 @@
       "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
       "dev": true
     },
-    "bytes": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
-      "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=",
-      "dev": true
-    },
     "cache-base": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/cache-base/-/cache-base-1.0.1.tgz",
@@ -2154,36 +2065,12 @@
       "integrity": "sha1-/ozxhP9mcLa67wGp1IYaXL7EEgo=",
       "dev": true
     },
-    "content-disposition": {
-      "version": "0.5.2",
-      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.2.tgz",
-      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ=",
-      "dev": true
-    },
-    "content-type": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
-      "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==",
-      "dev": true
-    },
     "convert-source-map": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.5.1.tgz",
       "integrity": "sha1-uCeAl7m8IpNl3lxiz1/K7YtVmeU=",
       "dev": true
     },
-    "cookie": {
-      "version": "0.3.1",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz",
-      "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s=",
-      "dev": true
-    },
-    "cookie-signature": {
-      "version": "1.0.6",
-      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
-      "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw=",
-      "dev": true
-    },
     "copy-descriptor": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/copy-descriptor/-/copy-descriptor-0.1.1.tgz",
@@ -2202,16 +2089,6 @@
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
       "dev": true
     },
-    "cors": {
-      "version": "2.8.4",
-      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.4.tgz",
-      "integrity": "sha1-K9OB8usgECAQXNUOpZ2mMJBpRoY=",
-      "dev": true,
-      "requires": {
-        "object-assign": "^4",
-        "vary": "^1"
-      }
-    },
     "coveralls": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.0.1.tgz",
@@ -2449,18 +2326,6 @@
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
       "dev": true
     },
-    "depd": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
-      "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=",
-      "dev": true
-    },
-    "destroy": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
-      "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=",
-      "dev": true
-    },
     "detect-conflict": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/detect-conflict/-/detect-conflict-1.0.1.tgz",
@@ -2518,12 +2383,6 @@
         "esutils": "^2.0.2"
       }
     },
-    "dom-walk": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/dom-walk/-/dom-walk-0.1.1.tgz",
-      "integrity": "sha1-ZyIm3HTI95mtNTB9+TaroRrNYBg=",
-      "dev": true
-    },
     "drbg.js": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/drbg.js/-/drbg.js-1.0.1.tgz",
@@ -2557,12 +2416,6 @@
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       "dev": true
     },
-    "ee-first": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
-      "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=",
-      "dev": true
-    },
     "elegant-spinner": {
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       "resolved": "https://registry.npmjs.org/elegant-spinner/-/elegant-spinner-1.0.1.tgz",
@@ -2597,12 +2450,6 @@
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       "dev": true
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-    "encodeurl": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
-      "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=",
-      "dev": true
-    },
     "enhanced-resolve": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-4.1.0.tgz",
@@ -2650,12 +2497,6 @@
         "is-arrayish": "^0.2.1"
       }
     },
-    "escape-html": {
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-      "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
-      "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=",
-      "dev": true
-    },
     "escape-string-regexp": {
       "version": "1.0.5",
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@@ -3102,27 +2943,6 @@
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       "dev": true
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-    "etag": {
-      "version": "1.8.1",
-      "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
-      "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=",
-      "dev": true
-    },
-    "eth-lib": {
-      "version": "0.1.27",
-      "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.1.27.tgz",
-      "integrity": "sha512-B8czsfkJYzn2UIEMwjc7Mbj+Cy72V+/OXH/tb44LV8jhrjizQJJ325xMOMyk3+ETa6r6oi0jsUY14+om8mQMWA==",
-      "dev": true,
-      "requires": {
-        "bn.js": "^4.11.6",
-        "elliptic": "^6.4.0",
-        "keccakjs": "^0.2.1",
-        "nano-json-stream-parser": "^0.1.2",
-        "servify": "^0.1.12",
-        "ws": "^3.0.0",
-        "xhr-request-promise": "^0.1.2"
-      }
-    },
     "ethereumjs-testrpc-sc": {
       "version": "6.1.2",
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@@ -3191,24 +3011,6 @@
         }
       }
     },
-    "ethjs-unit": {
-      "version": "0.1.6",
-      "resolved": "https://registry.npmjs.org/ethjs-unit/-/ethjs-unit-0.1.6.tgz",
-      "integrity": "sha1-xmWSHkduh7ziqdWIpv4EBbLEFpk=",
-      "dev": true,
-      "requires": {
-        "bn.js": "4.11.6",
-        "number-to-bn": "1.7.0"
-      },
-      "dependencies": {
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-          "version": "4.11.6",
-          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
-          "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU=",
-          "dev": true
-        }
-      }
-    },
     "ethjs-util": {
       "version": "0.1.6",
       "resolved": "https://registry.npmjs.org/ethjs-util/-/ethjs-util-0.1.6.tgz",
@@ -3277,129 +3079,6 @@
         "homedir-polyfill": "^1.0.1"
       }
     },
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-      "version": "4.16.3",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.16.3.tgz",
-      "integrity": "sha1-avilAjUNsyRuzEvs9rWjTSL37VM=",
-      "dev": true,
-      "requires": {
-        "accepts": "~1.3.5",
-        "array-flatten": "1.1.1",
-        "body-parser": "1.18.2",
-        "content-disposition": "0.5.2",
-        "content-type": "~1.0.4",
-        "cookie": "0.3.1",
-        "cookie-signature": "1.0.6",
-        "debug": "2.6.9",
-        "depd": "~1.1.2",
-        "encodeurl": "~1.0.2",
-        "escape-html": "~1.0.3",
-        "etag": "~1.8.1",
-        "finalhandler": "1.1.1",
-        "fresh": "0.5.2",
-        "merge-descriptors": "1.0.1",
-        "methods": "~1.1.2",
-        "on-finished": "~2.3.0",
-        "parseurl": "~1.3.2",
-        "path-to-regexp": "0.1.7",
-        "proxy-addr": "~2.0.3",
-        "qs": "6.5.1",
-        "range-parser": "~1.2.0",
-        "safe-buffer": "5.1.1",
-        "send": "0.16.2",
-        "serve-static": "1.13.2",
-        "setprototypeof": "1.1.0",
-        "statuses": "~1.4.0",
-        "type-is": "~1.6.16",
-        "utils-merge": "1.0.1",
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-          "dev": true,
-          "requires": {
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-            "debug": "2.6.9",
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-        "statuses": {
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-          "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew==",
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@@ -3879,38 +3558,6 @@
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-      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
-      "integrity": "sha512-Y1GUDo39ez4aHAw7MysnUD5JzYX+WaIj8I57kO3aEPT1fFRL4sr7mjei97FgnwhAyyzRYmQZaTHb2+9uZ1dPtg==",
-      "dev": true,
-      "requires": {
-        "debug": "2.6.9",
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           "dev": true,
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+            "lcid": "^1.0.0",
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+          }
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+          "dev": true
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+          "dev": true,
+          "requires": {
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^4.0.0"
+          }
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+        "strip-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^3.0.0"
+          }
+        },
+        "which-module": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
+          "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
+          "dev": true
+        },
+        "yargs": {
+          "version": "11.1.0",
+          "resolved": "http://registry.npmjs.org/yargs/-/yargs-11.1.0.tgz",
+          "integrity": "sha512-NwW69J42EsCSanF8kyn5upxvjp5ds+t3+udGBeTbFnERA+lF541DDpMawzo4z6W/QrzNM18D+BPMiOBibnFV5A==",
+          "dev": true,
+          "requires": {
+            "cliui": "^4.0.0",
             "decamelize": "^1.1.1",
+            "find-up": "^2.1.0",
             "get-caller-file": "^1.0.1",
-            "lodash.assign": "^4.0.3",
-            "os-locale": "^1.4.0",
-            "read-pkg-up": "^1.0.1",
+            "os-locale": "^2.0.0",
             "require-directory": "^2.1.1",
             "require-main-filename": "^1.0.1",
             "set-blocking": "^2.0.0",
-            "string-width": "^1.0.1",
-            "which-module": "^1.0.0",
-            "window-size": "^0.2.0",
+            "string-width": "^2.0.0",
+            "which-module": "^2.0.0",
             "y18n": "^3.2.1",
-            "yargs-parser": "^2.4.1"
+            "yargs-parser": "^9.0.2"
+          }
+        },
+        "yargs-parser": {
+          "version": "9.0.2",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-9.0.2.tgz",
+          "integrity": "sha1-nM9qQ0YP5O1Aqbto9I1DuKaMwHc=",
+          "dev": true,
+          "requires": {
+            "camelcase": "^4.1.0"
           }
         }
       }
@@ -8118,12 +7596,6 @@
         }
       }
     },
-    "statuses": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
-      "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=",
-      "dev": true
-    },
     "strict-uri-encode": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz",
@@ -8423,12 +7895,6 @@
       "integrity": "sha512-DlX6dR0lOIRDFxI0mjL9IYg6OTncLm/Zt+JiBhE5OlFcAR8yc9S7FFXU9so0oda47frdM/JFsk7UjNt9vscKcg==",
       "dev": true
     },
-    "trim": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/trim/-/trim-0.0.1.tgz",
-      "integrity": "sha1-WFhUf2spB1fulczMZm+1AITEYN0=",
-      "dev": true
-    },
     "trim-right": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/trim-right/-/trim-right-1.0.1.tgz",
@@ -8436,14 +7902,15 @@
       "dev": true
     },
     "truffle": {
-      "version": "4.1.13",
-      "resolved": "https://registry.npmjs.org/truffle/-/truffle-4.1.13.tgz",
-      "integrity": "sha1-vydYaYi0/4RWPt+/MrR5QUCKdq0=",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/truffle/-/truffle-5.0.0.tgz",
+      "integrity": "sha512-la0TJu+E59Ut62i6cGY0sugeubglDqH5w49a7IrpxZ1nnsDqv6qWB3ibiyYiCp/jr+iI0bLtcr3DKkfQjVDd+g==",
       "dev": true,
       "requires": {
+        "app-module-path": "^2.2.0",
         "mocha": "^4.1.0",
         "original-require": "1.0.1",
-        "solc": "0.4.24"
+        "solc": "0.5.0"
       }
     },
     "tslib": {
@@ -8483,33 +7950,6 @@
       "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
       "dev": true
     },
-    "type-is": {
-      "version": "1.6.16",
-      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.16.tgz",
-      "integrity": "sha512-HRkVv/5qY2G6I8iab9cI7v1bOIdhm94dVjQCPFElW9W+3GeDOSHmy2EBYe4VTApuzolPcmgFTN3ftVJRKR2J9Q==",
-      "dev": true,
-      "requires": {
-        "media-typer": "0.3.0",
-        "mime-types": "~2.1.18"
-      },
-      "dependencies": {
-        "mime-db": {
-          "version": "1.33.0",
-          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.33.0.tgz",
-          "integrity": "sha512-BHJ/EKruNIqJf/QahvxwQZXKygOQ256myeN/Ew+THcAa5q+PjyTTMMeNQC4DZw5AwfvelsUrA6B67NKMqXDbzQ==",
-          "dev": true
-        },
-        "mime-types": {
-          "version": "2.1.18",
-          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.18.tgz",
-          "integrity": "sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==",
-          "dev": true,
-          "requires": {
-            "mime-db": "~1.33.0"
-          }
-        }
-      }
-    },
     "typedarray": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
@@ -8535,12 +7975,6 @@
       "dev": true,
       "optional": true
     },
-    "ultron": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
-      "integrity": "sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og==",
-      "dev": true
-    },
     "underscore": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.6.0.tgz",
@@ -8582,12 +8016,6 @@
         }
       }
     },
-    "unpipe": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
-      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=",
-      "dev": true
-    },
     "unset-value": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",
@@ -8672,12 +8100,6 @@
         "prepend-http": "^2.0.0"
       }
     },
-    "url-set-query": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/url-set-query/-/url-set-query-1.0.0.tgz",
-      "integrity": "sha1-AW6M/Xwg7gXK/neV6JK9BwL6ozk=",
-      "dev": true
-    },
     "url-to-options": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/url-to-options/-/url-to-options-1.0.1.tgz",
@@ -8713,12 +8135,6 @@
       "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
       "dev": true
     },
-    "utils-merge": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
-      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=",
-      "dev": true
-    },
     "uuid": {
       "version": "3.3.0",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.0.tgz",
@@ -8735,12 +8151,6 @@
         "spdx-expression-parse": "~1.0.0"
       }
     },
-    "vary": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
-      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=",
-      "dev": true
-    },
     "verror": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
@@ -8806,41 +8216,6 @@
         "xmlhttprequest": "*"
       }
     },
-    "web3-utils": {
-      "version": "1.0.0-beta.34",
-      "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.0.0-beta.34.tgz",
-      "integrity": "sha1-lBH8OarvOcpOBhafdiKX2f8CCXA=",
-      "dev": true,
-      "requires": {
-        "bn.js": "4.11.6",
-        "eth-lib": "0.1.27",
-        "ethjs-unit": "0.1.6",
-        "number-to-bn": "1.7.0",
-        "randomhex": "0.1.5",
-        "underscore": "1.8.3",
-        "utf8": "2.1.1"
-      },
-      "dependencies": {
-        "bn.js": {
-          "version": "4.11.6",
-          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
-          "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU=",
-          "dev": true
-        },
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI=",
-          "dev": true
-        },
-        "utf8": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/utf8/-/utf8-2.1.1.tgz",
-          "integrity": "sha1-LgHbAvfY0JRPdxBPFgnrDDBM92g=",
-          "dev": true
-        }
-      }
-    },
     "webpack-addons": {
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/webpack-addons/-/webpack-addons-1.1.5.tgz",
@@ -9577,66 +8952,6 @@
         "slide": "^1.1.5"
       }
     },
-    "ws": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
-      "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
-      "dev": true,
-      "requires": {
-        "async-limiter": "~1.0.0",
-        "safe-buffer": "~5.1.0",
-        "ultron": "~1.1.0"
-      }
-    },
-    "xhr": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/xhr/-/xhr-2.4.0.tgz",
-      "integrity": "sha1-4W5mpF+GmGHu76tBbV7/ci3ECZM=",
-      "dev": true,
-      "requires": {
-        "global": "~4.3.0",
-        "is-function": "^1.0.1",
-        "parse-headers": "^2.0.0",
-        "xtend": "^4.0.0"
-      }
-    },
-    "xhr-request": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/xhr-request/-/xhr-request-1.1.0.tgz",
-      "integrity": "sha512-Y7qzEaR3FDtL3fP30k9wO/e+FBnBByZeybKOhASsGP30NIkRAAkKD/sCnLvgEfAIEC1rcmK7YG8f4oEnIrrWzA==",
-      "dev": true,
-      "requires": {
-        "buffer-to-arraybuffer": "^0.0.5",
-        "object-assign": "^4.1.1",
-        "query-string": "^5.0.1",
-        "simple-get": "^2.7.0",
-        "timed-out": "^4.0.1",
-        "url-set-query": "^1.0.0",
-        "xhr": "^2.0.4"
-      },
-      "dependencies": {
-        "simple-get": {
-          "version": "2.8.1",
-          "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-2.8.1.tgz",
-          "integrity": "sha512-lSSHRSw3mQNUGPAYRqo7xy9dhKmxFXIjLjp4KHpf99GEH2VH7C3AM+Qfx6du6jhfUi6Vm7XnbEVEf7Wb6N8jRw==",
-          "dev": true,
-          "requires": {
-            "decompress-response": "^3.3.0",
-            "once": "^1.3.1",
-            "simple-concat": "^1.0.0"
-          }
-        }
-      }
-    },
-    "xhr-request-promise": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/xhr-request-promise/-/xhr-request-promise-0.1.2.tgz",
-      "integrity": "sha1-NDxE0e53JrhkgGloLQ+EDIO0Jh0=",
-      "dev": true,
-      "requires": {
-        "xhr-request": "^1.0.1"
-      }
-    },
     "xhr2": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/xhr2/-/xhr2-0.1.4.tgz",
diff --git a/package.json b/package.json
index cded213a3..9d59a2787 100644
--- a/package.json
+++ b/package.json
@@ -56,8 +56,7 @@
     "pify": "^4.0.1",
     "solhint": "^1.5.0",
     "solidity-coverage": "^0.5.4",
-    "truffle": "^4.1.13",
-    "web3-utils": "^1.0.0-beta.34"
+    "truffle": "^5.0.0"
   },
   "dependencies": {}
 }
diff --git a/scripts/compile.sh b/scripts/compile.sh
index d037daac5..a2509c137 100755
--- a/scripts/compile.sh
+++ b/scripts/compile.sh
@@ -1,42 +1,3 @@
 #!/usr/bin/env bash
 
-# Configure to exit script as soon as a command fails.
-set -o errexit
-
-SOLC_05_DIR=solc-0.5
-
-# Delete any previous build artifacts
-rm -rf build/
-
-# Create a subproject where 0.5.x compilation will take place
-mkdir -p "$SOLC_05_DIR"
-
-cd "$SOLC_05_DIR"
-echo '{ "private": true }' > package.json
-npm install --save-dev truffle@5.0.0
-
-rm -rf contracts
-ln --symbolic ../contracts contracts
-
-# Delete any previous build artifacts
-rm -rf build/
-
-# Compile
-echo "
-module.exports = {
-  compilers: {
-    solc: {
-      version: \"0.5.0\",
-    },
-  },
-};
-" > truffle-config.js
-
 npx truffle compile
-
-# Modify the paths in the artifacts to make it look as if they were built in the root
-sed --in-place --expression "s/\/$SOLC_05_DIR//g" build/contracts/*.json
-
-# Copy them back into the root
-cd ..
-cp --recursive "$SOLC_05_DIR"/build build
diff --git a/truffle-config.js b/truffle-config.js
index eab1846c7..efd7997ad 100644
--- a/truffle-config.js
+++ b/truffle-config.js
@@ -13,4 +13,10 @@ module.exports = {
       gasPrice: 0x01,
     },
   },
+
+  compilers: {
+    solc: {
+      version: '0.5.0',
+    },
+  },
 };