From 7d3ca878d9a16f8dd8ca8a3b21e9ed946060fa0f Mon Sep 17 00:00:00 2001
From: "dependabot-preview[bot]"
 <27856297+dependabot-preview[bot]@users.noreply.github.com>
Date: Thu, 9 Jan 2020 10:39:25 +0000
Subject: [PATCH] Bump secp256k1 from 3.5.0 to 4.0.0

Bumps [secp256k1](https://github.com/cryptocoinjs/secp256k1-node) from 3.5.0 to 4.0.0.
- [Release notes](https://github.com/cryptocoinjs/secp256k1-node/releases)
- [Commits](https://github.com/cryptocoinjs/secp256k1-node/compare/v3.5.0...v4.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
---
 package-lock.json | 178 ++++++++++++++++++--------------------
 package.json      |   2 +-
 yarn.lock         | 211 ++++++++--------------------------------------
 3 files changed, 116 insertions(+), 275 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index f94fa05..ff79f01 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -303,19 +303,6 @@
       "dev": true,
       "optional": true
     },
-    "bindings": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.3.0.tgz",
-      "integrity": "sha1-s0b27PapX1qBXFg5/HzbIlAvHtc="
-    },
-    "bip66": {
-      "version": "1.1.5",
-      "resolved": "https://registry.npmjs.org/bip66/-/bip66-1.1.5.tgz",
-      "integrity": "sha1-AfqHSHhcpwlV1QESF9GzE5lpyiI=",
-      "requires": {
-        "safe-buffer": "^5.0.1"
-      }
-    },
     "bn.js": {
       "version": "4.11.8",
       "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
@@ -354,19 +341,6 @@
       "integrity": "sha1-81HTKWnTL6XXpVZxVCY9korjvR8=",
       "dev": true
     },
-    "browserify-aes": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.1.1.tgz",
-      "integrity": "sha512-UGnTYAnB2a3YuYKIRy1/4FB2HdM866E0qC46JXvVTYKlBlZlnvfpSfY6OKfXZAkv70eJ2a1SqzpAo5CRhZGDFg==",
-      "requires": {
-        "buffer-xor": "^1.0.3",
-        "cipher-base": "^1.0.0",
-        "create-hash": "^1.1.0",
-        "evp_bytestokey": "^1.0.3",
-        "inherits": "^2.0.1",
-        "safe-buffer": "^5.0.1"
-      }
-    },
     "bs58": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/bs58/-/bs58-4.0.1.tgz",
@@ -384,11 +358,6 @@
         "create-hash": "^1.1.0"
       }
     },
-    "buffer-xor": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/buffer-xor/-/buffer-xor-1.0.3.tgz",
-      "integrity": "sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk="
-    },
     "chai": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/chai/-/chai-4.1.2.tgz",
@@ -537,16 +506,6 @@
       "integrity": "sha1-yc45Okt8vQsFinJck98pkCeGj/k=",
       "dev": true
     },
-    "drbg.js": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/drbg.js/-/drbg.js-1.0.1.tgz",
-      "integrity": "sha1-Pja2xCs3BDgjzbwzLVjzHiRFSAs=",
-      "requires": {
-        "browserify-aes": "^1.0.6",
-        "create-hash": "^1.1.2",
-        "create-hmac": "^1.1.4"
-      }
-    },
     "elliptic": {
       "version": "6.4.0",
       "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.0.tgz",
@@ -573,15 +532,6 @@
       "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=",
       "dev": true
     },
-    "evp_bytestokey": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/evp_bytestokey/-/evp_bytestokey-1.0.3.tgz",
-      "integrity": "sha1-f8vbGY3HGVlDLv4ThCaE4FJaywI=",
-      "requires": {
-        "md5.js": "^1.3.4",
-        "safe-buffer": "^5.1.1"
-      }
-    },
     "expand-brackets": {
       "version": "0.1.5",
       "resolved": "https://registry.npmjs.org/expand-brackets/-/expand-brackets-0.1.5.tgz",
@@ -698,7 +648,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.1.1",
@@ -749,7 +700,8 @@
         "balanced-match": {
           "version": "0.4.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "bcrypt-pbkdf": {
           "version": "1.0.1",
@@ -773,6 +725,7 @@
           "version": "2.10.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "hoek": "2.x.x"
           }
@@ -781,6 +734,7 @@
           "version": "1.1.7",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^0.4.1",
             "concat-map": "0.0.1"
@@ -822,7 +776,8 @@
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
@@ -936,12 +891,14 @@
         "fs.realpath": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "fstream": {
           "version": "1.0.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "graceful-fs": "^4.1.2",
             "inherits": "~2.0.0",
@@ -997,6 +954,7 @@
           "version": "7.1.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "fs.realpath": "^1.0.0",
             "inflight": "^1.0.4",
@@ -1009,7 +967,8 @@
         "graceful-fs": {
           "version": "4.1.11",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "har-schema": {
           "version": "1.0.5",
@@ -1048,7 +1007,8 @@
         "hoek": {
           "version": "2.16.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "http-signature": {
           "version": "1.1.1",
@@ -1065,6 +1025,7 @@
           "version": "1.0.6",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "once": "^1.3.0",
             "wrappy": "1"
@@ -1073,7 +1034,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.4",
@@ -1189,6 +1151,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.7"
           }
@@ -1196,12 +1159,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -1275,6 +1240,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -1304,7 +1270,8 @@
         "path-is-absolute": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "performance-now": {
           "version": "0.2.0",
@@ -1399,6 +1366,7 @@
           "version": "2.6.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "glob": "^7.0.5"
           }
@@ -1491,6 +1459,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -1591,7 +1560,8 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -1631,6 +1601,7 @@
       "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-2.0.0.tgz",
       "integrity": "sha1-gTg9ctsFT8zPUzbaqQLxgvbtuyg=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-glob": "^2.0.0"
       }
@@ -1764,7 +1735,8 @@
       "version": "1.1.6",
       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
       "integrity": "sha1-76ouqdqg16suoTqXsritUf776L4=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-dotfile": {
       "version": "1.0.3",
@@ -1794,7 +1766,8 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-1.0.0.tgz",
       "integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-finite": {
       "version": "1.0.2",
@@ -1810,6 +1783,7 @@
       "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-2.0.1.tgz",
       "integrity": "sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-extglob": "^1.0.0"
       }
@@ -1842,7 +1816,8 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
       "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "isobject": {
       "version": "2.1.0",
@@ -1883,6 +1858,7 @@
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
       "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-buffer": "^1.1.5"
       }
@@ -1983,26 +1959,6 @@
         "js-tokens": "^3.0.0"
       }
     },
-    "md5.js": {
-      "version": "1.3.4",
-      "resolved": "https://registry.npmjs.org/md5.js/-/md5.js-1.3.4.tgz",
-      "integrity": "sha1-6b296UogpawYsENA/Fdk1bCdkB0=",
-      "requires": {
-        "hash-base": "^3.0.0",
-        "inherits": "^2.0.1"
-      },
-      "dependencies": {
-        "hash-base": {
-          "version": "3.0.4",
-          "resolved": "https://registry.npmjs.org/hash-base/-/hash-base-3.0.4.tgz",
-          "integrity": "sha1-X8hoaEfs1zSZQDMZprCj8/auSRg=",
-          "requires": {
-            "inherits": "^2.0.1",
-            "safe-buffer": "^5.0.1"
-          }
-        }
-      }
-    },
     "micromatch": {
       "version": "2.3.11",
       "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-2.3.11.tgz",
@@ -2131,13 +2087,26 @@
     "nan": {
       "version": "2.8.0",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.8.0.tgz",
-      "integrity": "sha1-7XFfP+neArV6XmJS2QqWZ14fCFo="
+      "integrity": "sha1-7XFfP+neArV6XmJS2QqWZ14fCFo=",
+      "dev": true,
+      "optional": true
+    },
+    "node-addon-api": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-2.0.0.tgz",
+      "integrity": "sha512-ASCL5U13as7HhOExbT6OlWJJUV/lLzL2voOSP1UVehpRD8FbSrSDjfScK/KwAvVTI5AS6r4VwbOMlIqtvRidnA=="
+    },
+    "node-gyp-build": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/node-gyp-build/-/node-gyp-build-4.2.0.tgz",
+      "integrity": "sha512-4oiumOLhCDU9Rronz8PZ5S4IvT39H5+JEv/hps9V8s7RSLhsac0TCP78ulnHXOo8X1wdpPiTayGlM1jr4IbnaQ=="
     },
     "normalize-path": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
       "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
       "dev": true,
+      "optional": true,
       "requires": {
         "remove-trailing-separator": "^1.0.1"
       }
@@ -2336,13 +2305,15 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz",
       "integrity": "sha1-wkvOKig62tW8P1jg1IJJuSN52O8=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "repeat-element": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/repeat-element/-/repeat-element-1.1.2.tgz",
       "integrity": "sha1-7wiaF40Ug7quTZPrmLT55OEdmQo=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "repeat-string": {
       "version": "1.6.1",
@@ -2375,18 +2346,29 @@
       "integrity": "sha1-iTMSr2myEj3vcfV4iQAWce6yyFM="
     },
     "secp256k1": {
-      "version": "3.5.0",
-      "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-3.5.0.tgz",
-      "integrity": "sha1-Z307io4E4aX6OBoa5DfFQge3ONA=",
-      "requires": {
-        "bindings": "^1.2.1",
-        "bip66": "^1.1.3",
-        "bn.js": "^4.11.3",
-        "create-hash": "^1.1.2",
-        "drbg.js": "^1.0.1",
-        "elliptic": "^6.2.3",
-        "nan": "^2.2.1",
-        "safe-buffer": "^5.1.0"
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-4.0.0.tgz",
+      "integrity": "sha512-0w0zse+Iku13O58SVE9/DhyCKWNsKb+n/vMqLOGICgSqxWuXZs+eajBf9uVOgk5QfNvTY/mx0QSqYxkcz802dw==",
+      "requires": {
+        "elliptic": "^6.5.2",
+        "node-addon-api": "^2.0.0",
+        "node-gyp-build": "^4.2.0"
+      },
+      "dependencies": {
+        "elliptic": {
+          "version": "6.5.2",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.2.tgz",
+          "integrity": "sha512-f4x70okzZbIQl/NSRLkI/+tteV/9WqL98zx+SQ69KbXxmVrmjwsNUPn/gYJJ0sHvEak24cZgHIPegRePAtA/xw==",
+          "requires": {
+            "bn.js": "^4.4.0",
+            "brorand": "^1.0.1",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.0",
+            "inherits": "^2.0.1",
+            "minimalistic-assert": "^1.0.0",
+            "minimalistic-crypto-utils": "^1.0.0"
+          }
+        }
       }
     },
     "set-immediate-shim": {
diff --git a/package.json b/package.json
index 156d707..f2a8b78 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "libsodium-sumo": "^0.5.2",
     "libsodium-wrappers-sumo": "^0.5.2",
     "safe-buffer": "^5.1.1",
-    "secp256k1": "^3.3.0",
+    "secp256k1": "^4.0.0",
     "varuint-bitcoin": "^1.0.4",
     "elliptic": "^6.4.0",
     "groestl-hash-js": "git://github.com/zelcash/groestl-hash-js.git#master"
diff --git a/yarn.lock b/yarn.lock
index e86277f..9ec2563 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -269,29 +269,13 @@ binary-extensions@^1.0.0:
   version "1.11.0"
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.11.0.tgz#46aa1751fb6a2f93ee5e689bb1087d4b14c6c205"
 
-bindings@^1.2.1:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.3.0.tgz#b346f6ecf6a95f5a815c5839fc7cdb22502f1ed7"
-
-bip66@^1.1.3:
-  version "1.1.5"
-  resolved "https://registry.yarnpkg.com/bip66/-/bip66-1.1.5.tgz#01fa8748785ca70955d5011217d1b3139969ca22"
-  dependencies:
-    safe-buffer "^5.0.1"
-
-bl@^1.0.0:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/bl/-/bl-1.2.1.tgz#cac328f7bee45730d404b692203fcb590e172d5e"
-  dependencies:
-    readable-stream "^2.0.5"
-
 block-stream@*:
   version "0.0.9"
   resolved "https://registry.yarnpkg.com/block-stream/-/block-stream-0.0.9.tgz#13ebfe778a03205cfe03751481ebb4b3300c126a"
   dependencies:
     inherits "~2.0.0"
 
-bn.js@^4.11.3, bn.js@^4.4.0:
+bn.js@^4.4.0:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
 
@@ -324,17 +308,6 @@ browser-stdout@1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.0.tgz#f351d32969d32fa5d7a5567154263d928ae3bd1f"
 
-browserify-aes@^1.0.6:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.1.1.tgz#38b7ab55edb806ff2dcda1a7f1620773a477c49f"
-  dependencies:
-    buffer-xor "^1.0.3"
-    cipher-base "^1.0.0"
-    create-hash "^1.1.0"
-    evp_bytestokey "^1.0.3"
-    inherits "^2.0.1"
-    safe-buffer "^5.0.1"
-
 bs58@^4.0.0, bs58@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/bs58/-/bs58-4.0.1.tgz#be161e76c354f6f788ae4071f63f34e8c4f0a42a"
@@ -348,10 +321,6 @@ bs58check@^2.0.2:
     bs58 "^4.0.0"
     create-hash "^1.1.0"
 
-buffer-xor@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
-
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
@@ -396,11 +365,7 @@ chokidar@^1.6.1:
   optionalDependencies:
     fsevents "^1.0.0"
 
-chownr@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
-
-cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
+cipher-base@^1.0.1, cipher-base@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/cipher-base/-/cipher-base-1.0.4.tgz#8760e4ecc272f4c363532f926d874aae2c1397de"
   dependencies:
@@ -451,7 +416,7 @@ core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
 
-create-hash@^1.1.0, create-hash@^1.1.2, create-hash@^1.1.3:
+create-hash@^1.1.0, create-hash@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/create-hash/-/create-hash-1.1.3.tgz#606042ac8b9262750f483caddab0f5819172d8fd"
   dependencies:
@@ -460,7 +425,7 @@ create-hash@^1.1.0, create-hash@^1.1.2, create-hash@^1.1.3:
     ripemd160 "^2.0.0"
     sha.js "^2.4.0"
 
-create-hmac@^1.1.4, create-hmac@^1.1.6:
+create-hmac@^1.1.6:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/create-hmac/-/create-hmac-1.1.6.tgz#acb9e221a4e17bdb076e90657c42b93e3726cf06"
   dependencies:
@@ -527,23 +492,15 @@ diff@3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.2.0.tgz#c9ce393a4b7cbd0b058a725c93df299027868ff9"
 
-drbg.js@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/drbg.js/-/drbg.js-1.0.1.tgz#3e36b6c42b37043823cdbc332d58f31e2445480b"
-  dependencies:
-    browserify-aes "^1.0.6"
-    create-hash "^1.1.2"
-    create-hmac "^1.1.4"
-
 ecc-jsbn@~0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz#0fc73a9ed5f0d53c38193398523ef7e543777505"
   dependencies:
     jsbn "~0.1.0"
 
-elliptic@^6.2.3:
-  version "6.4.0"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.4.0.tgz#cac9af8762c85836187003c8dfe193e5e2eae5df"
+elliptic@^6.4.0, elliptic@^6.5.2:
+  version "6.5.2"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.2.tgz#05c5678d7173c049d8ca433552224a495d0e3762"
   dependencies:
     bn.js "^4.4.0"
     brorand "^1.0.1"
@@ -553,12 +510,6 @@ elliptic@^6.2.3:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.0"
 
-end-of-stream@^1.0.0, end-of-stream@^1.1.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.0.tgz#7a90d833efda6cfa6eac0f4949dbb0fad3a63206"
-  dependencies:
-    once "^1.4.0"
-
 escape-string-regexp@1.0.5, escape-string-regexp@^1.0.2:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
@@ -567,13 +518,6 @@ esutils@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
 
-evp_bytestokey@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/evp_bytestokey/-/evp_bytestokey-1.0.3.tgz#7fcbdb198dc71959432efe13842684e0525acb02"
-  dependencies:
-    md5.js "^1.3.4"
-    safe-buffer "^5.1.1"
-
 expand-brackets@^0.1.4:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-0.1.5.tgz#df07284e342a807cd733ac5af72411e581d1177b"
@@ -586,10 +530,6 @@ expand-range@^1.8.1:
   dependencies:
     fill-range "^2.1.0"
 
-expand-template@^1.0.2:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/expand-template/-/expand-template-1.1.0.tgz#e09efba977bf98f9ee0ed25abd0c692e02aec3fc"
-
 extend@~3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
@@ -699,10 +639,6 @@ getpass@^0.1.1:
   dependencies:
     assert-plus "^1.0.0"
 
-github-from-package@0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/github-from-package/-/github-from-package-0.0.0.tgz#97fb5d96bfde8973313f20e8288ef9a167fa64ce"
-
 glob-base@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/glob-base/-/glob-base-0.3.0.tgz#dbb164f6221b1c0b1ccf82aea328b497df0ea3c4"
@@ -750,6 +686,11 @@ graceful-fs@^4.1.2, graceful-fs@^4.1.4:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
 
+"groestl-hash-js@git://github.com/zelcash/groestl-hash-js.git#master":
+  version "1.0.0"
+  uid ef6a04f1c4d2f0448f0882b5f213ef7a0659baee
+  resolved "git://github.com/zelcash/groestl-hash-js.git#ef6a04f1c4d2f0448f0882b5f213ef7a0659baee"
+
 growl@1.9.2:
   version "1.9.2"
   resolved "https://registry.yarnpkg.com/growl/-/growl-1.9.2.tgz#0ea7743715db8d8de2c5ede1775e1b45ac85c02f"
@@ -785,13 +726,6 @@ hash-base@^2.0.0:
   dependencies:
     inherits "^2.0.1"
 
-hash-base@^3.0.0:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/hash-base/-/hash-base-3.0.4.tgz#5fc8686847ecd73499403319a6b0a3f3f6ae4918"
-  dependencies:
-    inherits "^2.0.1"
-    safe-buffer "^5.0.1"
-
 hash.js@^1.0.0, hash.js@^1.0.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.3.tgz#340dedbe6290187151c1ea1d777a3448935df846"
@@ -1074,13 +1008,6 @@ loose-envify@^1.0.0:
   dependencies:
     js-tokens "^3.0.0"
 
-md5.js@^1.3.4:
-  version "1.3.4"
-  resolved "https://registry.yarnpkg.com/md5.js/-/md5.js-1.3.4.tgz#e9bdbde94a20a5ac18b04340fc5764d5b09d901d"
-  dependencies:
-    hash-base "^3.0.0"
-    inherits "^2.0.1"
-
 micromatch@^2.1.5:
   version "2.3.11"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
@@ -1158,15 +1085,17 @@ ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
-nan@^2.2.1, nan@^2.3.0:
+nan@^2.3.0:
   version "2.8.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.8.0.tgz#ed715f3fe9de02b57a5e6252d90a96675e1f085a"
 
-node-abi@^2.1.1:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/node-abi/-/node-abi-2.1.2.tgz#4da6caceb6685fcd31e7dd1994ef6bb7d0a9c0b2"
-  dependencies:
-    semver "^5.4.1"
+node-addon-api@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/node-addon-api/-/node-addon-api-2.0.0.tgz#f9afb8d777a91525244b01775ea0ddbe1125483b"
+
+node-gyp-build@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-4.2.0.tgz#2c2b05f461f4178641a6ce2d7159f04094e9376d"
 
 node-pre-gyp@^0.6.39:
   version "0.6.39"
@@ -1184,10 +1113,6 @@ node-pre-gyp@^0.6.39:
     tar "^2.2.1"
     tar-pack "^3.4.0"
 
-noop-logger@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/noop-logger/-/noop-logger-0.1.1.tgz#94a2b1633c4f1317553007d8966fd0e841b6a4c2"
-
 nopt@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
@@ -1201,7 +1126,7 @@ normalize-path@^2.0.0, normalize-path@^2.0.1:
   dependencies:
     remove-trailing-separator "^1.0.1"
 
-npmlog@^4.0.1, npmlog@^4.0.2:
+npmlog@^4.0.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.2.tgz#08a7f2a8bf734604779a9efa4ad5cc717abb954b"
   dependencies:
@@ -1229,13 +1154,13 @@ object.omit@^2.0.0:
     for-own "^0.1.4"
     is-extendable "^0.1.1"
 
-once@^1.3.0, once@^1.3.1, once@^1.3.3, once@^1.4.0:
+once@^1.3.0, once@^1.3.3:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
   dependencies:
     wrappy "1"
 
-os-homedir@^1.0.0, os-homedir@^1.0.1:
+os-homedir@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
 
@@ -1279,25 +1204,6 @@ performance-now@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-0.2.0.tgz#33ef30c5c77d4ea21c5a53869d91b56d8f2555e5"
 
-prebuild-install@^2.0.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/prebuild-install/-/prebuild-install-2.3.0.tgz#19481247df728b854ab57b187ce234211311b485"
-  dependencies:
-    expand-template "^1.0.2"
-    github-from-package "0.0.0"
-    minimist "^1.2.0"
-    mkdirp "^0.5.1"
-    node-abi "^2.1.1"
-    noop-logger "^0.1.1"
-    npmlog "^4.0.1"
-    os-homedir "^1.0.1"
-    pump "^1.0.1"
-    rc "^1.1.6"
-    simple-get "^1.4.2"
-    tar-fs "^1.13.0"
-    tunnel-agent "^0.6.0"
-    xtend "4.0.1"
-
 preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
@@ -1310,13 +1216,6 @@ process-nextick-args@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
 
-pump@^1.0.0, pump@^1.0.1:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/pump/-/pump-1.0.3.tgz#5dfe8311c33bbf6fc18261f9f34702c47c08a954"
-  dependencies:
-    end-of-stream "^1.1.0"
-    once "^1.3.1"
-
 punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
@@ -1332,7 +1231,7 @@ randomatic@^1.1.3:
     is-number "^3.0.0"
     kind-of "^4.0.0"
 
-rc@^1.1.6, rc@^1.1.7:
+rc@^1.1.7:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.2.tgz#d8ce9cb57e8d64d9c7badd9876c7c34cbe3c7077"
   dependencies:
@@ -1341,7 +1240,7 @@ rc@^1.1.6, rc@^1.1.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-readable-stream@^2.0.0, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4:
+readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.4:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
   dependencies:
@@ -1434,25 +1333,19 @@ ripemd160@^2.0.0:
     hash-base "^2.0.0"
     inherits "^2.0.1"
 
-safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@^5.0.1, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
-secp256k1@^3.3.0:
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/secp256k1/-/secp256k1-3.3.1.tgz#d1d325519db714789c11ec0450d4b9a3aa01eb1a"
-  dependencies:
-    bindings "^1.2.1"
-    bip66 "^1.1.3"
-    bn.js "^4.11.3"
-    create-hash "^1.1.2"
-    drbg.js "^1.0.1"
-    elliptic "^6.2.3"
-    nan "^2.2.1"
-    prebuild-install "^2.0.0"
-    safe-buffer "^5.1.0"
-
-semver@^5.3.0, semver@^5.4.1:
+secp256k1@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/secp256k1/-/secp256k1-4.0.0.tgz#1c5def3be9f86c679839110fd6be30d53f34f1a9"
+  dependencies:
+    elliptic "^6.5.2"
+    node-addon-api "^2.0.0"
+    node-gyp-build "^4.2.0"
+
+semver@^5.3.0:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
 
@@ -1475,14 +1368,6 @@ signal-exit@^3.0.0:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
 
-simple-get@^1.4.2:
-  version "1.4.3"
-  resolved "https://registry.yarnpkg.com/simple-get/-/simple-get-1.4.3.tgz#e9755eda407e96da40c5e5158c9ea37b33becbeb"
-  dependencies:
-    once "^1.3.1"
-    unzip-response "^1.0.0"
-    xtend "^4.0.0"
-
 slash@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
@@ -1555,15 +1440,6 @@ supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
 
-tar-fs@^1.13.0:
-  version "1.16.0"
-  resolved "https://registry.yarnpkg.com/tar-fs/-/tar-fs-1.16.0.tgz#e877a25acbcc51d8c790da1c57c9cf439817b896"
-  dependencies:
-    chownr "^1.0.1"
-    mkdirp "^0.5.1"
-    pump "^1.0.0"
-    tar-stream "^1.1.2"
-
 tar-pack@^3.4.0:
   version "3.4.1"
   resolved "https://registry.yarnpkg.com/tar-pack/-/tar-pack-3.4.1.tgz#e1dbc03a9b9d3ba07e896ad027317eb679a10a1f"
@@ -1577,15 +1453,6 @@ tar-pack@^3.4.0:
     tar "^2.2.1"
     uid-number "^0.0.6"
 
-tar-stream@^1.1.2:
-  version "1.5.5"
-  resolved "https://registry.yarnpkg.com/tar-stream/-/tar-stream-1.5.5.tgz#5cad84779f45c83b1f2508d96b09d88c7218af55"
-  dependencies:
-    bl "^1.0.0"
-    end-of-stream "^1.0.0"
-    readable-stream "^2.0.0"
-    xtend "^4.0.0"
-
 tar@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/tar/-/tar-2.2.1.tgz#8e4d2a256c0e2185c6b18ad694aec968b83cb1d1"
@@ -1626,10 +1493,6 @@ uid-number@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/uid-number/-/uid-number-0.0.6.tgz#0ea10e8035e8eb5b8e4449f06da1c730663baa81"
 
-unzip-response@^1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/unzip-response/-/unzip-response-1.0.2.tgz#b984f0877fc0a89c2c773cc1ef7b5b232b5b06fe"
-
 user-home@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/user-home/-/user-home-1.1.1.tgz#2b5be23a32b63a7c9deb8d0f28d485724a3df190"
@@ -1669,7 +1532,3 @@ wide-align@^1.1.0:
 wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
-
-xtend@4.0.1, xtend@^4.0.0:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"