From 5a7d077b532ed1a50df722c09e6b4e90832978c2 Mon Sep 17 00:00:00 2001
From: epiqueras <epiquerass@gmail.com>
Date: Tue, 17 Jul 2018 11:53:53 -0500
Subject: [PATCH] feat: better ItemStatusChange event

---
 .../permission/ArbitrablePermissionList.sol   |   28 +-
 yarn.lock                                     | 2274 +++++++++++++++++
 2 files changed, 2292 insertions(+), 10 deletions(-)
 create mode 100644 yarn.lock

diff --git a/contracts/standard/permission/ArbitrablePermissionList.sol b/contracts/standard/permission/ArbitrablePermissionList.sol
index ebd7c5c3..1437818e 100644
--- a/contracts/standard/permission/ArbitrablePermissionList.sol
+++ b/contracts/standard/permission/ArbitrablePermissionList.sol
@@ -48,11 +48,19 @@ contract ArbitrablePermissionList is PermissionInterface, Arbitrable {
 
     /**
      *  @dev Called when the item's status changes or when it is contested/resolved.
-     *  @param _value The value of the item.
-     *  @param _newStatus The new status of the item.
-     *  @param _newDisputed The new disputed state of the item.
+     *  @param submitter Address of the submitter, if any.
+     *  @param challenger Address of the challenger, if any.
+     *  @param value The value of the item.
+     *  @param newStatus The new status of the item.
+     *  @param newDisputed The new disputed state of the item.
      */
-    event ItemStatusChange(bytes32 indexed _value, ItemStatus _newStatus, bool _newDisputed);
+    event ItemStatusChange(
+        address indexed submitter,
+        address indexed challenger,
+        bytes32 indexed value,
+        ItemStatus newStatus,
+        bool newDisputed
+    );
 
     /* Storage */
 
@@ -124,7 +132,7 @@ contract ArbitrablePermissionList is PermissionInterface, Arbitrable {
         item.balance += msg.value;
         item.lastAction = now;
 
-        emit ItemStatusChange(_value, item.status, item.disputed);
+        emit ItemStatusChange(item.submitter, item.challenger, _value, item.status, item.disputed);
     }
 
     /**
@@ -148,7 +156,7 @@ contract ArbitrablePermissionList is PermissionInterface, Arbitrable {
         item.balance += msg.value;
         item.lastAction = now;
 
-        emit ItemStatusChange(_value, item.status, item.disputed);
+        emit ItemStatusChange(item.submitter, item.challenger, _value, item.status, item.disputed);
     }
 
     /**
@@ -181,7 +189,7 @@ contract ArbitrablePermissionList is PermissionInterface, Arbitrable {
 
         item.lastAction = now;
 
-        emit ItemStatusChange(_value, item.status, item.disputed);
+        emit ItemStatusChange(item.submitter, item.challenger, _value, item.status, item.disputed);
     }
 
     /**
@@ -214,7 +222,7 @@ contract ArbitrablePermissionList is PermissionInterface, Arbitrable {
 
         item.lastAction = now;
 
-        emit ItemStatusChange(_value, item.status, item.disputed);
+        emit ItemStatusChange(item.submitter, item.challenger, _value, item.status, item.disputed);
     }
 
     /**
@@ -244,7 +252,7 @@ contract ArbitrablePermissionList is PermissionInterface, Arbitrable {
 
         item.submitter.send(item.balance); // Deliberate use of send in order to not block the contract in case of reverting fallback.
 
-        emit ItemStatusChange(_value, item.status, item.disputed);
+        emit ItemStatusChange(item.submitter, item.challenger, _value, item.status, item.disputed);
     }
 
     /* Public Views */
@@ -295,7 +303,7 @@ contract ArbitrablePermissionList is PermissionInterface, Arbitrable {
         item.disputed = false;
         item.balance = 0;
 
-        emit ItemStatusChange(disputeIDToItem[_disputeID], item.status, item.disputed);
+        emit ItemStatusChange(item.submitter, item.challenger, disputeIDToItem[_disputeID], item.status, item.disputed);
     }
 
     /* Interface Views */
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 00000000..a05daadb
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,2274 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+accepts@~1.3.5:
+  version "1.3.5"
+  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.5.tgz#eb777df6011723a3b14e8a72c0805c8e86746bd2"
+  dependencies:
+    mime-types "~2.1.18"
+    negotiator "0.6.1"
+
+ajv@^5.1.0:
+  version "5.5.2"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.5.2.tgz#73b5eeca3fab653e3d3f9422b341ad42205dc965"
+  dependencies:
+    co "^4.6.0"
+    fast-deep-equal "^1.0.0"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.3.0"
+
+ansi-regex@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
+
+any-promise@1.3.0, any-promise@^1.0.0, any-promise@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/any-promise/-/any-promise-1.3.0.tgz#abc6afeedcea52e809cdc0376aed3ce39635d17f"
+
+array-flatten@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
+
+asn1.js@^4.0.0:
+  version "4.10.1"
+  resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-4.10.1.tgz#b9c2bf5805f1e64aadeed6df3a2bfafb5a73f5a0"
+  dependencies:
+    bn.js "^4.0.0"
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+
+asn1@~0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/asn1/-/asn1-0.2.3.tgz#dac8787713c9966849fc8180777ebe9c1ddf3b86"
+
+assert-plus@1.0.0, assert-plus@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-1.0.0.tgz#f12e0f3c5d77b0b1cdd9146942e4e96c1e4dd525"
+
+async-limiter@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
+
+asynckit@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
+
+aws-sign2@~0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
+
+aws4@^1.6.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.7.0.tgz#d4d0e9b9dbfca77bf08eeb0a8a471550fe39e289"
+
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+
+base64-js@0.0.8:
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-0.0.8.tgz#1101e9544f4a76b1bc3b26d452ca96d7a35e7978"
+
+base64-js@^1.0.2:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.0.tgz#cab1e6118f051095e58b5281aea8c1cd22bfc0e3"
+
+bcrypt-pbkdf@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz#a4301d389b6a43f9b67ff3ca11a3f6637e360e9e"
+  dependencies:
+    tweetnacl "^0.14.3"
+
+bl@^1.0.0:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/bl/-/bl-1.2.2.tgz#a160911717103c07410cef63ef51b397c025af9c"
+  dependencies:
+    readable-stream "^2.3.5"
+    safe-buffer "^5.1.1"
+
+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"
+
+bluebird@^2.9.34:
+  version "2.11.0"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-2.11.0.tgz#534b9033c022c9579c56ba3b3e5a5caafbb650e1"
+
+bluebird@^3.5.0:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.1.tgz#d9551f9de98f1fcda1e683d17ee91a0602ee2eb9"
+
+bn.js@4.11.6:
+  version "4.11.6"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.6.tgz#53344adb14617a13f6e8dd2ce28905d1c0ba3215"
+
+bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.11.6, bn.js@^4.4.0:
+  version "4.11.8"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
+
+body-parser@1.18.2:
+  version "1.18.2"
+  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.2.tgz#87678a19d84b47d859b83199bd59bce222b10454"
+  dependencies:
+    bytes "3.0.0"
+    content-type "~1.0.4"
+    debug "2.6.9"
+    depd "~1.1.1"
+    http-errors "~1.6.2"
+    iconv-lite "0.4.19"
+    on-finished "~2.3.0"
+    qs "6.5.1"
+    raw-body "2.3.2"
+    type-is "~1.6.15"
+
+body-parser@^1.16.0:
+  version "1.18.3"
+  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.3.tgz#5b292198ffdd553b3a0f20ded0592b956955c8b4"
+  dependencies:
+    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"
+
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+brorand@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
+
+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@^1.0.0, browserify-aes@^1.0.4:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
+  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"
+
+browserify-cipher@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/browserify-cipher/-/browserify-cipher-1.0.1.tgz#8d6474c1b870bfdabcd3bcfcc1934a10e94f15f0"
+  dependencies:
+    browserify-aes "^1.0.4"
+    browserify-des "^1.0.0"
+    evp_bytestokey "^1.0.0"
+
+browserify-des@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/browserify-des/-/browserify-des-1.0.2.tgz#3af4f1f59839403572f1c66204375f7a7f703e9c"
+  dependencies:
+    cipher-base "^1.0.1"
+    des.js "^1.0.0"
+    inherits "^2.0.1"
+    safe-buffer "^5.1.2"
+
+browserify-rsa@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/browserify-rsa/-/browserify-rsa-4.0.1.tgz#21e0abfaf6f2029cf2fafb133567a701d4135524"
+  dependencies:
+    bn.js "^4.1.0"
+    randombytes "^2.0.1"
+
+browserify-sha3@^0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/browserify-sha3/-/browserify-sha3-0.0.1.tgz#3ff34a3006ef15c0fb3567e541b91a2340123d11"
+  dependencies:
+    js-sha3 "^0.3.1"
+
+browserify-sign@^4.0.0:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/browserify-sign/-/browserify-sign-4.0.4.tgz#aa4eb68e5d7b658baa6bf6a57e630cbd7a93d298"
+  dependencies:
+    bn.js "^4.1.1"
+    browserify-rsa "^4.0.0"
+    create-hash "^1.1.0"
+    create-hmac "^1.1.2"
+    elliptic "^6.0.0"
+    inherits "^2.0.1"
+    parse-asn1 "^5.0.0"
+
+buffer-alloc-unsafe@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz#bd7dc26ae2972d0eda253be061dba992349c19f0"
+
+buffer-alloc@^1.1.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/buffer-alloc/-/buffer-alloc-1.2.0.tgz#890dd90d923a873e08e10e5fd51a57e5b7cce0ec"
+  dependencies:
+    buffer-alloc-unsafe "^1.1.0"
+    buffer-fill "^1.0.0"
+
+buffer-crc32@~0.2.3:
+  version "0.2.13"
+  resolved "https://registry.yarnpkg.com/buffer-crc32/-/buffer-crc32-0.2.13.tgz#0d333e3f00eac50aa1454abd30ef8c2a5d9a7242"
+
+buffer-fill@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/buffer-fill/-/buffer-fill-1.0.0.tgz#f8f78b76789888ef39f205cd637f68e702122b2c"
+
+buffer-to-arraybuffer@^0.0.5:
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/buffer-to-arraybuffer/-/buffer-to-arraybuffer-0.0.5.tgz#6064a40fa76eb43c723aba9ef8f6e1216d10511a"
+
+buffer-xor@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
+
+buffer@^3.0.1:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-3.6.0.tgz#a72c936f77b96bf52f5f7e7b467180628551defb"
+  dependencies:
+    base64-js "0.0.8"
+    ieee754 "^1.1.4"
+    isarray "^1.0.0"
+
+buffer@^5.0.5:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.1.0.tgz#c913e43678c7cb7c8bd16afbcddb6c5505e8f9fe"
+  dependencies:
+    base64-js "^1.0.2"
+    ieee754 "^1.1.4"
+
+builtin-modules@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
+
+bytes@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
+
+camelcase@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
+
+caseless@~0.12.0:
+  version "0.12.0"
+  resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
+
+cipher-base@^1.0.0, 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:
+    inherits "^2.0.1"
+    safe-buffer "^5.0.1"
+
+cliui@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-3.2.0.tgz#120601537a916d29940f934da3b48d585a39213d"
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+    wrap-ansi "^2.0.0"
+
+co@^4.6.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
+
+code-point-at@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
+
+combined-stream@1.0.6, combined-stream@~1.0.5:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
+  dependencies:
+    delayed-stream "~1.0.0"
+
+commander@2.11.0:
+  version "2.11.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.11.0.tgz#157152fd1e7a6c8d98a5b715cf376df928004563"
+
+commander@^2.8.1:
+  version "2.16.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.16.0.tgz#f16390593996ceb4f3eeb020b31d78528f7f8a50"
+
+commander@~2.8.1:
+  version "2.8.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.8.1.tgz#06be367febfda0c330aa1e2a072d3dc9762425d4"
+  dependencies:
+    graceful-readlink ">= 1.0.0"
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+
+content-disposition@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.2.tgz#0cf68bb9ddf5f2be7961c3a85178cb85dba78cb4"
+
+content-type@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
+
+cookie-signature@1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
+
+cookie@0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
+
+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"
+
+cors@^2.8.1:
+  version "2.8.4"
+  resolved "https://registry.yarnpkg.com/cors/-/cors-2.8.4.tgz#2bd381f2eb201020105cd50ea59da63090694686"
+  dependencies:
+    object-assign "^4"
+    vary "^1"
+
+create-ecdh@^4.0.0:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/create-ecdh/-/create-ecdh-4.0.3.tgz#c9111b6f33045c4697f144787f9254cdc77c45ff"
+  dependencies:
+    bn.js "^4.1.0"
+    elliptic "^6.0.0"
+
+create-hash@^1.1.0, create-hash@^1.1.2:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
+  dependencies:
+    cipher-base "^1.0.1"
+    inherits "^2.0.1"
+    md5.js "^1.3.4"
+    ripemd160 "^2.0.1"
+    sha.js "^2.4.0"
+
+create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
+  dependencies:
+    cipher-base "^1.0.3"
+    create-hash "^1.1.0"
+    inherits "^2.0.1"
+    ripemd160 "^2.0.0"
+    safe-buffer "^5.0.1"
+    sha.js "^2.4.8"
+
+crypto-browserify@3.12.0:
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
+  dependencies:
+    browserify-cipher "^1.0.0"
+    browserify-sign "^4.0.0"
+    create-ecdh "^4.0.0"
+    create-hash "^1.1.0"
+    create-hmac "^1.1.0"
+    diffie-hellman "^5.0.0"
+    inherits "^2.0.1"
+    pbkdf2 "^3.0.3"
+    public-encrypt "^4.0.0"
+    randombytes "^2.0.0"
+    randomfill "^1.0.3"
+
+dashdash@^1.12.0:
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/dashdash/-/dashdash-1.14.1.tgz#853cfa0f7cbe2fed5de20326b8dd581035f6e2f0"
+  dependencies:
+    assert-plus "^1.0.0"
+
+debug@2.6.9, debug@^2.2.0:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  dependencies:
+    ms "2.0.0"
+
+debug@3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
+  dependencies:
+    ms "2.0.0"
+
+decamelize@^1.1.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+
+decode-uri-component@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
+
+decompress-response@^3.2.0, decompress-response@^3.3.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/decompress-response/-/decompress-response-3.3.0.tgz#80a4dd323748384bfa248083622aedec982adff3"
+  dependencies:
+    mimic-response "^1.0.0"
+
+decompress-tar@^4.0.0, decompress-tar@^4.1.0, decompress-tar@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/decompress-tar/-/decompress-tar-4.1.1.tgz#718cbd3fcb16209716e70a26b84e7ba4592e5af1"
+  dependencies:
+    file-type "^5.2.0"
+    is-stream "^1.1.0"
+    tar-stream "^1.5.2"
+
+decompress-tarbz2@^4.0.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/decompress-tarbz2/-/decompress-tarbz2-4.1.1.tgz#3082a5b880ea4043816349f378b56c516be1a39b"
+  dependencies:
+    decompress-tar "^4.1.0"
+    file-type "^6.1.0"
+    is-stream "^1.1.0"
+    seek-bzip "^1.0.5"
+    unbzip2-stream "^1.0.9"
+
+decompress-targz@^4.0.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/decompress-targz/-/decompress-targz-4.1.1.tgz#c09bc35c4d11f3de09f2d2da53e9de23e7ce1eee"
+  dependencies:
+    decompress-tar "^4.1.1"
+    file-type "^5.2.0"
+    is-stream "^1.1.0"
+
+decompress-unzip@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/decompress-unzip/-/decompress-unzip-4.0.1.tgz#deaaccdfd14aeaf85578f733ae8210f9b4848f69"
+  dependencies:
+    file-type "^3.8.0"
+    get-stream "^2.2.0"
+    pify "^2.3.0"
+    yauzl "^2.4.2"
+
+decompress@^4.0.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/decompress/-/decompress-4.2.0.tgz#7aedd85427e5a92dacfe55674a7c505e96d01f9d"
+  dependencies:
+    decompress-tar "^4.0.0"
+    decompress-tarbz2 "^4.0.0"
+    decompress-targz "^4.0.0"
+    decompress-unzip "^4.0.1"
+    graceful-fs "^4.1.10"
+    make-dir "^1.0.0"
+    pify "^2.3.0"
+    strip-dirs "^2.0.0"
+
+delayed-stream@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
+
+depd@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.1.tgz#5783b4e1c459f06fa5ca27f991f3d06e7a310359"
+
+depd@~1.1.1, depd@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
+
+des.js@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/des.js/-/des.js-1.0.0.tgz#c074d2e2aa6a8a9a07dbd61f9a15c2cd83ec8ecc"
+  dependencies:
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+
+destroy@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
+
+diff@3.3.1:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-3.3.1.tgz#aa8567a6eed03c531fc89d3f711cd0e5259dec75"
+
+diffie-hellman@^5.0.0:
+  version "5.0.3"
+  resolved "https://registry.yarnpkg.com/diffie-hellman/-/diffie-hellman-5.0.3.tgz#40e8ee98f55a2149607146921c63e1ae5f3d2875"
+  dependencies:
+    bn.js "^4.1.0"
+    miller-rabin "^4.0.0"
+    randombytes "^2.0.0"
+
+dom-walk@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/dom-walk/-/dom-walk-0.1.1.tgz#672226dc74c8f799ad35307df936aba11acd6018"
+
+duplexer3@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/duplexer3/-/duplexer3-0.1.4.tgz#ee01dd1cac0ed3cbc7fdbea37dc0a8f1ce002ce2"
+
+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"
+
+ee-first@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
+
+elliptic@^6.0.0, elliptic@^6.4.0:
+  version "6.4.0"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.4.0.tgz#cac9af8762c85836187003c8dfe193e5e2eae5df"
+  dependencies:
+    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"
+
+encodeurl@~1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
+
+end-of-stream@^1.0.0:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.1.tgz#ed29634d19baba463b6ce6b80a37213eab71ec43"
+  dependencies:
+    once "^1.4.0"
+
+error-ex@^1.2.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
+  dependencies:
+    is-arrayish "^0.2.1"
+
+escape-html@~1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
+
+escape-string-regexp@1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
+
+etag@~1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
+
+eth-contract-class@0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/eth-contract-class/-/eth-contract-class-0.0.6.tgz#398b8952149cc747cb959fa8b5d480288c7a8bce"
+  dependencies:
+    web3-core-promievent "^1.0.0-beta.21"
+
+eth-lib@0.1.27, eth-lib@^0.1.26:
+  version "0.1.27"
+  resolved "https://registry.yarnpkg.com/eth-lib/-/eth-lib-0.1.27.tgz#f0b0fd144f865d2d6bf8257a40004f2e75ca1dd6"
+  dependencies:
+    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"
+
+eth-lib@0.2.7:
+  version "0.2.7"
+  resolved "https://registry.yarnpkg.com/eth-lib/-/eth-lib-0.2.7.tgz#2f93f17b1e23aec3759cd4a3fe20c1286a3fc1ca"
+  dependencies:
+    bn.js "^4.11.6"
+    elliptic "^6.4.0"
+    xhr-request-promise "^0.1.2"
+
+ethjs-unit@0.1.6:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/ethjs-unit/-/ethjs-unit-0.1.6.tgz#c665921e476e87bce2a9d588a6fe0405b2c41699"
+  dependencies:
+    bn.js "4.11.6"
+    number-to-bn "1.7.0"
+
+eventemitter3@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.1.1.tgz#47786bdaa087caf7b1b75e73abc5c7d540158cd0"
+
+evp_bytestokey@^1.0.0, 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"
+
+express@^4.14.0:
+  version "4.16.3"
+  resolved "https://registry.yarnpkg.com/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
+  dependencies:
+    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"
+    vary "~1.1.2"
+
+extend@~3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
+
+extsprintf@1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz#96918440e3041a7a414f8c52e3c574eb3c3e1e05"
+
+extsprintf@^1.2.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.4.0.tgz#e2689f8f356fad62cca65a3a91c5df5f9551692f"
+
+fast-deep-equal@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz#c053477817c86b51daa853c81e059b733d023614"
+
+fast-json-stable-stringify@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
+
+fd-slicer@~1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.1.0.tgz#25c7c89cb1f9077f8891bbe61d8f390eae256f1e"
+  dependencies:
+    pend "~1.2.0"
+
+file-type@^3.8.0:
+  version "3.9.0"
+  resolved "https://registry.yarnpkg.com/file-type/-/file-type-3.9.0.tgz#257a078384d1db8087bc449d107d52a52672b9e9"
+
+file-type@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/file-type/-/file-type-5.2.0.tgz#2ddbea7c73ffe36368dfae49dc338c058c2b8ad6"
+
+file-type@^6.1.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/file-type/-/file-type-6.2.0.tgz#e50cd75d356ffed4e306dc4f5bcf52a79903a919"
+
+finalhandler@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.1.1.tgz#eebf4ed840079c83f4249038c9d703008301b105"
+  dependencies:
+    debug "2.6.9"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    on-finished "~2.3.0"
+    parseurl "~1.3.2"
+    statuses "~1.4.0"
+    unpipe "~1.0.0"
+
+find-up@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
+  dependencies:
+    path-exists "^2.0.0"
+    pinkie-promise "^2.0.0"
+
+for-each@^0.3.2:
+  version "0.3.3"
+  resolved "https://registry.yarnpkg.com/for-each/-/for-each-0.3.3.tgz#69b447e88a0a5d32c3e7084f3f1710034b21376e"
+  dependencies:
+    is-callable "^1.1.3"
+
+forever-agent@~0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
+
+form-data@~2.3.1:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.3.2.tgz#4970498be604c20c005d4f5c23aecd21d6b49099"
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "1.0.6"
+    mime-types "^2.1.12"
+
+forwarded@~0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
+
+fresh@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
+
+fs-constants@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs-constants/-/fs-constants-1.0.0.tgz#6be0de9be998ce16af8afc24497b9ee9b7ccd9ad"
+
+fs-extra@^0.30.0:
+  version "0.30.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-0.30.0.tgz#f233ffcc08d4da7d432daa449776989db1df93f0"
+  dependencies:
+    graceful-fs "^4.1.2"
+    jsonfile "^2.1.0"
+    klaw "^1.0.0"
+    path-is-absolute "^1.0.0"
+    rimraf "^2.2.8"
+
+fs-extra@^2.0.0, fs-extra@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-2.1.2.tgz#046c70163cef9aad46b0e4a7fa467fb22d71de35"
+  dependencies:
+    graceful-fs "^4.1.2"
+    jsonfile "^2.1.0"
+
+fs-promise@^2.0.0:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/fs-promise/-/fs-promise-2.0.3.tgz#f64e4f854bcf689aa8bddcba268916db3db46854"
+  dependencies:
+    any-promise "^1.3.0"
+    fs-extra "^2.0.0"
+    mz "^2.6.0"
+    thenify-all "^1.6.0"
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+
+fstream@^1.0.2, fstream@^1.0.8:
+  version "1.0.11"
+  resolved "https://registry.yarnpkg.com/fstream/-/fstream-1.0.11.tgz#5c1fb1f117477114f0632a0eb4b71b3cb0fd3171"
+  dependencies:
+    graceful-fs "^4.1.2"
+    inherits "~2.0.0"
+    mkdirp ">=0.5 0"
+    rimraf "2"
+
+get-caller-file@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.3.tgz#f978fa4c90d1dfe7ff2d6beda2a515e713bdcf4a"
+
+get-stream@^2.2.0:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-2.3.1.tgz#5f38f93f346009666ee0150a054167f91bdd95de"
+  dependencies:
+    object-assign "^4.0.1"
+    pinkie-promise "^2.0.0"
+
+get-stream@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-3.0.0.tgz#8e943d1358dc37555054ecbe2edb05aa174ede14"
+
+getpass@^0.1.1:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
+  dependencies:
+    assert-plus "^1.0.0"
+
+glob@7.1.2, glob@^7.0.5:
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+global@~4.3.0:
+  version "4.3.2"
+  resolved "https://registry.yarnpkg.com/global/-/global-4.3.2.tgz#e76989268a6c74c38908b1305b10fc0e394e9d0f"
+  dependencies:
+    min-document "^2.19.0"
+    process "~0.5.1"
+
+got@7.1.0, got@^7.1.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/got/-/got-7.1.0.tgz#05450fd84094e6bbea56f451a43a9c289166385a"
+  dependencies:
+    decompress-response "^3.2.0"
+    duplexer3 "^0.1.4"
+    get-stream "^3.0.0"
+    is-plain-obj "^1.1.0"
+    is-retry-allowed "^1.0.0"
+    is-stream "^1.0.0"
+    isurl "^1.0.0-alpha5"
+    lowercase-keys "^1.0.0"
+    p-cancelable "^0.3.0"
+    p-timeout "^1.1.1"
+    safe-buffer "^5.0.1"
+    timed-out "^4.0.0"
+    url-parse-lax "^1.0.0"
+    url-to-options "^1.0.1"
+
+graceful-fs@^4.1.10, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
+  version "4.1.11"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
+
+"graceful-readlink@>= 1.0.0":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
+
+growl@1.10.3:
+  version "1.10.3"
+  resolved "https://registry.yarnpkg.com/growl/-/growl-1.10.3.tgz#1926ba90cf3edfe2adb4927f5880bc22c66c790f"
+
+har-schema@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-2.0.0.tgz#a94c2224ebcac04782a0d9035521f24735b7ec92"
+
+har-validator@~5.0.3:
+  version "5.0.3"
+  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-5.0.3.tgz#ba402c266194f15956ef15e0fcf242993f6a7dfd"
+  dependencies:
+    ajv "^5.1.0"
+    har-schema "^2.0.0"
+
+has-flag@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
+
+has-symbol-support-x@^1.4.1:
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/has-symbol-support-x/-/has-symbol-support-x-1.4.2.tgz#1409f98bc00247da45da67cee0a36f282ff26455"
+
+has-to-string-tag-x@^1.2.0:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/has-to-string-tag-x/-/has-to-string-tag-x-1.4.1.tgz#a045ab383d7b4b2012a00148ab0aa5f290044d4d"
+  dependencies:
+    has-symbol-support-x "^1.4.1"
+
+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 "1.1.5"
+  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.5.tgz#e38ab4b85dfb1e0c40fe9265c0e9b54854c23812"
+  dependencies:
+    inherits "^2.0.3"
+    minimalistic-assert "^1.0.1"
+
+he@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd"
+
+hmac-drbg@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
+  dependencies:
+    hash.js "^1.0.3"
+    minimalistic-assert "^1.0.0"
+    minimalistic-crypto-utils "^1.0.1"
+
+hosted-git-info@^2.1.4:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.7.1.tgz#97f236977bd6e125408930ff6de3eec6281ec047"
+
+http-errors@1.6.2:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.2.tgz#0a002cc85707192a7e7946ceedc11155f60ec736"
+  dependencies:
+    depd "1.1.1"
+    inherits "2.0.3"
+    setprototypeof "1.0.3"
+    statuses ">= 1.3.1 < 2"
+
+http-errors@1.6.3, http-errors@~1.6.2, http-errors@~1.6.3:
+  version "1.6.3"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
+  dependencies:
+    depd "~1.1.2"
+    inherits "2.0.3"
+    setprototypeof "1.1.0"
+    statuses ">= 1.4.0 < 2"
+
+http-https@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/http-https/-/http-https-1.0.0.tgz#2f908dd5f1db4068c058cd6e6d4ce392c913389b"
+
+http-signature@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/http-signature/-/http-signature-1.2.0.tgz#9aecd925114772f3d95b65a60abb8f7c18fbace1"
+  dependencies:
+    assert-plus "^1.0.0"
+    jsprim "^1.2.2"
+    sshpk "^1.7.0"
+
+iconv-lite@0.4.19:
+  version "0.4.19"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
+
+iconv-lite@0.4.23:
+  version "0.4.23"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.23.tgz#297871f63be507adcfbfca715d0cd0eed84e9a63"
+  dependencies:
+    safer-buffer ">= 2.1.2 < 3"
+
+ieee754@^1.1.4:
+  version "1.1.12"
+  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.12.tgz#50bf24e5b9c8bb98af4964c941cdb0918da7b60b"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+
+invert-kv@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-1.0.0.tgz#104a8e4aaca6d3d8cd157a8ef8bfab2d7a3ffdb6"
+
+ipaddr.js@1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.6.0.tgz#e3fa357b773da619f26e95f049d055c72796f86b"
+
+is-arrayish@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
+
+is-builtin-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-builtin-module/-/is-builtin-module-1.0.0.tgz#540572d34f7ac3119f8f76c30cbc1b1e037affbe"
+  dependencies:
+    builtin-modules "^1.0.0"
+
+is-callable@^1.1.3:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.4.tgz#1e1adf219e1eeb684d691f9d6a05ff0d30a24d75"
+
+is-fullwidth-code-point@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz#ef9e31386f031a7f0d643af82fde50c457ef00cb"
+  dependencies:
+    number-is-nan "^1.0.0"
+
+is-function@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-function/-/is-function-1.0.1.tgz#12cfb98b65b57dd3d193a3121f5f6e2f437602b5"
+
+is-hex-prefixed@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-hex-prefixed/-/is-hex-prefixed-1.0.0.tgz#7d8d37e6ad77e5d127148913c573e082d777f554"
+
+is-natural-number@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/is-natural-number/-/is-natural-number-4.0.1.tgz#ab9d76e1db4ced51e35de0c72ebecf09f734cde8"
+
+is-object@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-object/-/is-object-1.0.1.tgz#8952688c5ec2ffd6b03ecc85e769e02903083470"
+
+is-plain-obj@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-1.1.0.tgz#71a50c8429dfca773c92a390a4a03b39fcd51d3e"
+
+is-retry-allowed@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz#11a060568b67339444033d0125a61a20d564fb34"
+
+is-stream@^1.0.0, is-stream@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
+
+is-typedarray@^1.0.0, is-typedarray@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
+
+is-utf8@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
+
+isarray@^1.0.0, isarray@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+
+isstream@~0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
+
+isurl@^1.0.0-alpha5:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/isurl/-/isurl-1.0.0.tgz#b27f4f49f3cdaa3ea44a0a5b7f3462e6edc39d67"
+  dependencies:
+    has-to-string-tag-x "^1.2.0"
+    is-object "^1.0.1"
+
+js-sha3@^0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.3.1.tgz#86122802142f0828502a0d1dee1d95e253bb0243"
+
+jsbn@~0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
+
+json-schema-traverse@^0.3.0:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz#349a6d44c53a51de89b40805c5d5e59b417d3340"
+
+json-schema@0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
+
+json-stringify-safe@~5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
+
+jsonfile@^2.1.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-2.4.0.tgz#3736a2b428b87bbda0cc83b53fa3d633a35c2ae8"
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
+jsprim@^1.2.2:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/jsprim/-/jsprim-1.4.1.tgz#313e66bc1e5cc06e438bc1b7499c2e5c56acb6a2"
+  dependencies:
+    assert-plus "1.0.0"
+    extsprintf "1.3.0"
+    json-schema "0.2.3"
+    verror "1.10.0"
+
+keccakjs@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/keccakjs/-/keccakjs-0.2.1.tgz#1d633af907ef305bbf9f2fa616d56c44561dfa4d"
+  dependencies:
+    browserify-sha3 "^0.0.1"
+    sha3 "^1.1.0"
+
+klaw@^1.0.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/klaw/-/klaw-1.3.1.tgz#4088433b46b3b1ba259d78785d8e96f73ba02439"
+  optionalDependencies:
+    graceful-fs "^4.1.9"
+
+lcid@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/lcid/-/lcid-1.0.0.tgz#308accafa0bc483a3867b4b6f2b9506251d1b835"
+  dependencies:
+    invert-kv "^1.0.0"
+
+load-json-file@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^2.2.0"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+    strip-bom "^2.0.0"
+
+lodash.assign@^4.0.3, lodash.assign@^4.0.6:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/lodash.assign/-/lodash.assign-4.2.0.tgz#0d99f3ccd7a6d261d19bdaeb9245005d285808e7"
+
+lowercase-keys@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.1.tgz#6f9e30b47084d971a7c820ff15a6c5167b74c26f"
+
+make-dir@^1.0.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.3.0.tgz#79c1033b80515bd6d24ec9933e860ca75ee27f0c"
+  dependencies:
+    pify "^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"
+
+media-typer@0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
+
+memorystream@^0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/memorystream/-/memorystream-0.3.1.tgz#86d7090b30ce455d63fbae12dda51a47ddcaf9b2"
+
+merge-descriptors@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
+
+methods@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
+
+miller-rabin@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/miller-rabin/-/miller-rabin-4.0.1.tgz#f080351c865b0dc562a8462966daa53543c78a4d"
+  dependencies:
+    bn.js "^4.0.0"
+    brorand "^1.0.1"
+
+mime-db@~1.33.0:
+  version "1.33.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.33.0.tgz#a3492050a5cb9b63450541e39d9788d2272783db"
+
+mime-types@^2.1.12, mime-types@^2.1.16, mime-types@~2.1.17, mime-types@~2.1.18:
+  version "2.1.18"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.18.tgz#6f323f60a83d11146f831ff11fd66e2fe5503bb8"
+  dependencies:
+    mime-db "~1.33.0"
+
+mime@1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
+
+mimic-response@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-1.0.1.tgz#4923538878eef42063cb8a3e3b0798781487ab1b"
+
+min-document@^2.19.0:
+  version "2.19.0"
+  resolved "https://registry.yarnpkg.com/min-document/-/min-document-2.19.0.tgz#7bd282e3f5842ed295bb748cdd9f1ffa2c824685"
+  dependencies:
+    dom-walk "^0.1.0"
+
+minimalistic-assert@^1.0.0, minimalistic-assert@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
+
+minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
+
+minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimetoken@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/minimetoken/-/minimetoken-0.2.0.tgz#c182231eae93e752e5d8801c2967e6d6ef6a0e6f"
+  dependencies:
+    eth-contract-class "0.0.6"
+
+minimist@0.0.8:
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+
+mkdirp-promise@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/mkdirp-promise/-/mkdirp-promise-5.0.1.tgz#e9b8f68e552c68a9c1713b84883f7a1dd039b8a1"
+  dependencies:
+    mkdirp "*"
+
+mkdirp@*, mkdirp@0.5.1, "mkdirp@>=0.5 0":
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  dependencies:
+    minimist "0.0.8"
+
+mocha@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-4.1.0.tgz#7d86cfbcf35cb829e2754c32e17355ec05338794"
+  dependencies:
+    browser-stdout "1.3.0"
+    commander "2.11.0"
+    debug "3.1.0"
+    diff "3.3.1"
+    escape-string-regexp "1.0.5"
+    glob "7.1.2"
+    growl "1.10.3"
+    he "1.1.1"
+    mkdirp "0.5.1"
+    supports-color "4.4.0"
+
+mock-fs@^4.1.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/mock-fs/-/mock-fs-4.5.0.tgz#75245b966f7e3defe197b03454af9c5b355594b7"
+
+mout@^0.11.0:
+  version "0.11.1"
+  resolved "https://registry.yarnpkg.com/mout/-/mout-0.11.1.tgz#ba3611df5f0e5b1ffbfd01166b8f02d1f5fa2b99"
+
+ms@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+
+mz@^2.6.0:
+  version "2.7.0"
+  resolved "https://registry.yarnpkg.com/mz/-/mz-2.7.0.tgz#95008057a56cafadc2bc63dde7f9ff6955948e32"
+  dependencies:
+    any-promise "^1.0.0"
+    object-assign "^4.0.1"
+    thenify-all "^1.0.0"
+
+nan@2.10.0, nan@^2.0.8, nan@^2.3.3:
+  version "2.10.0"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.10.0.tgz#96d0cd610ebd58d4b4de9cc0c6828cda99c7548f"
+
+nano-json-stream-parser@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/nano-json-stream-parser/-/nano-json-stream-parser-0.1.2.tgz#0cc8f6d0e2b622b479c40d499c46d64b755c6f5f"
+
+negotiator@0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
+
+normalize-package-data@^2.3.2:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.4.0.tgz#12f95a307d58352075a04907b84ac8be98ac012f"
+  dependencies:
+    hosted-git-info "^2.1.4"
+    is-builtin-module "^1.0.0"
+    semver "2 || 3 || 4 || 5"
+    validate-npm-package-license "^3.0.1"
+
+number-is-nan@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
+
+number-to-bn@1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/number-to-bn/-/number-to-bn-1.7.0.tgz#bb3623592f7e5f9e0030b1977bd41a0c53fe1ea0"
+  dependencies:
+    bn.js "4.11.6"
+    strip-hex-prefix "1.0.0"
+
+oauth-sign@~0.8.2:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
+
+object-assign@^4, object-assign@^4.0.1, object-assign@^4.1.0, object-assign@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+
+oboe@2.1.3:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/oboe/-/oboe-2.1.3.tgz#2b4865dbd46be81225713f4e9bfe4bcf4f680a4f"
+  dependencies:
+    http-https "^1.0.0"
+
+on-finished@~2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
+  dependencies:
+    ee-first "1.1.1"
+
+once@^1.3.0, once@^1.3.1, once@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  dependencies:
+    wrappy "1"
+
+original-require@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/original-require/-/original-require-1.0.1.tgz#0f130471584cd33511c5ec38c8d59213f9ac5e20"
+
+os-locale@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
+  dependencies:
+    lcid "^1.0.0"
+
+p-cancelable@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/p-cancelable/-/p-cancelable-0.3.0.tgz#b9e123800bcebb7ac13a479be195b507b98d30fa"
+
+p-finally@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/p-finally/-/p-finally-1.0.0.tgz#3fbcfb15b899a44123b34b6dcc18b724336a2cae"
+
+p-timeout@^1.1.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/p-timeout/-/p-timeout-1.2.1.tgz#5eb3b353b7fce99f101a1038880bb054ebbea386"
+  dependencies:
+    p-finally "^1.0.0"
+
+parse-asn1@^5.0.0:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/parse-asn1/-/parse-asn1-5.1.1.tgz#f6bf293818332bd0dab54efb16087724745e6ca8"
+  dependencies:
+    asn1.js "^4.0.0"
+    browserify-aes "^1.0.0"
+    create-hash "^1.1.0"
+    evp_bytestokey "^1.0.0"
+    pbkdf2 "^3.0.3"
+
+parse-headers@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/parse-headers/-/parse-headers-2.0.1.tgz#6ae83a7aa25a9d9b700acc28698cd1f1ed7e9536"
+  dependencies:
+    for-each "^0.3.2"
+    trim "0.0.1"
+
+parse-json@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-2.2.0.tgz#f480f40434ef80741f8469099f8dea18f55a4dc9"
+  dependencies:
+    error-ex "^1.2.0"
+
+parseurl@~1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.2.tgz#fc289d4ed8993119460c156253262cdc8de65bf3"
+
+path-exists@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
+  dependencies:
+    pinkie-promise "^2.0.0"
+
+path-is-absolute@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+
+path-to-regexp@0.1.7:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
+
+path-type@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
+  dependencies:
+    graceful-fs "^4.1.2"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
+pbkdf2@^3.0.3:
+  version "3.0.16"
+  resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.16.tgz#7404208ec6b01b62d85bf83853a8064f8d9c2a5c"
+  dependencies:
+    create-hash "^1.1.2"
+    create-hmac "^1.1.4"
+    ripemd160 "^2.0.1"
+    safe-buffer "^5.0.1"
+    sha.js "^2.4.8"
+
+pend@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
+
+performance-now@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
+
+pify@^2.0.0, pify@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
+
+pify@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-3.0.0.tgz#e5a4acd2c101fdf3d9a4d07f0dbc4db49dd28176"
+
+pinkie-promise@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
+  dependencies:
+    pinkie "^2.0.0"
+
+pinkie@^2.0.0:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
+
+prepend-http@^1.0.1:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
+
+process-nextick-args@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
+
+process@~0.5.1:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/process/-/process-0.5.2.tgz#1638d8a8e34c2f440a91db95ab9aeb677fc185cf"
+
+proxy-addr@~2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.3.tgz#355f262505a621646b3130a728eb647e22055341"
+  dependencies:
+    forwarded "~0.1.2"
+    ipaddr.js "1.6.0"
+
+public-encrypt@^4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/public-encrypt/-/public-encrypt-4.0.2.tgz#46eb9107206bf73489f8b85b69d91334c6610994"
+  dependencies:
+    bn.js "^4.1.0"
+    browserify-rsa "^4.0.0"
+    create-hash "^1.1.0"
+    parse-asn1 "^5.0.0"
+    randombytes "^2.0.1"
+
+punycode@^1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
+
+qs@6.5.1:
+  version "6.5.1"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
+
+qs@6.5.2, qs@~6.5.1:
+  version "6.5.2"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
+
+query-string@^5.0.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/query-string/-/query-string-5.1.1.tgz#a78c012b71c17e05f2e3fa2319dd330682efb3cb"
+  dependencies:
+    decode-uri-component "^0.2.0"
+    object-assign "^4.1.0"
+    strict-uri-encode "^1.0.0"
+
+randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.0.6.tgz#d302c522948588848a8d300c932b44c24231da80"
+  dependencies:
+    safe-buffer "^5.1.0"
+
+randomfill@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/randomfill/-/randomfill-1.0.4.tgz#c92196fc86ab42be983f1bf31778224931d61458"
+  dependencies:
+    randombytes "^2.0.5"
+    safe-buffer "^5.1.0"
+
+randomhex@0.1.5:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/randomhex/-/randomhex-0.1.5.tgz#baceef982329091400f2a2912c6cd02f1094f585"
+
+range-parser@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
+
+raw-body@2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.3.2.tgz#bcd60c77d3eb93cde0050295c3f379389bc88f89"
+  dependencies:
+    bytes "3.0.0"
+    http-errors "1.6.2"
+    iconv-lite "0.4.19"
+    unpipe "1.0.0"
+
+raw-body@2.3.3:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.3.3.tgz#1b324ece6b5706e153855bc1148c65bb7f6ea0c3"
+  dependencies:
+    bytes "3.0.0"
+    http-errors "1.6.3"
+    iconv-lite "0.4.23"
+    unpipe "1.0.0"
+
+read-pkg-up@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
+  dependencies:
+    find-up "^1.0.0"
+    read-pkg "^1.0.0"
+
+read-pkg@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
+  dependencies:
+    load-json-file "^1.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^1.0.0"
+
+readable-stream@^2.3.0, readable-stream@^2.3.5:
+  version "2.3.6"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~2.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.1.1"
+    util-deprecate "~1.0.1"
+
+request@^2.79.0:
+  version "2.87.0"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.87.0.tgz#32f00235cd08d482b4d0d68db93a829c0ed5756e"
+  dependencies:
+    aws-sign2 "~0.7.0"
+    aws4 "^1.6.0"
+    caseless "~0.12.0"
+    combined-stream "~1.0.5"
+    extend "~3.0.1"
+    forever-agent "~0.6.1"
+    form-data "~2.3.1"
+    har-validator "~5.0.3"
+    http-signature "~1.2.0"
+    is-typedarray "~1.0.0"
+    isstream "~0.1.2"
+    json-stringify-safe "~5.0.1"
+    mime-types "~2.1.17"
+    oauth-sign "~0.8.2"
+    performance-now "^2.1.0"
+    qs "~6.5.1"
+    safe-buffer "^5.1.1"
+    tough-cookie "~2.3.3"
+    tunnel-agent "^0.6.0"
+    uuid "^3.1.0"
+
+require-directory@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
+
+require-from-string@^1.1.0:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/require-from-string/-/require-from-string-1.2.1.tgz#529c9ccef27380adfec9a2f965b649bbee636418"
+
+require-main-filename@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
+
+rimraf@2, rimraf@^2.2.8:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
+  dependencies:
+    glob "^7.0.5"
+
+ripemd160@^2.0.0, ripemd160@^2.0.1:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/ripemd160/-/ripemd160-2.0.2.tgz#a1c1a6f624751577ba5d07914cbc92850585890c"
+  dependencies:
+    hash-base "^3.0.0"
+    inherits "^2.0.1"
+
+safe-buffer@5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
+
+safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+
+"safer-buffer@>= 2.1.2 < 3", safer-buffer@^2.0.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+
+scrypt.js@0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/scrypt.js/-/scrypt.js-0.2.0.tgz#af8d1465b71e9990110bedfc593b9479e03a8ada"
+  dependencies:
+    scrypt "^6.0.2"
+    scryptsy "^1.2.1"
+
+scrypt@^6.0.2:
+  version "6.0.3"
+  resolved "https://registry.yarnpkg.com/scrypt/-/scrypt-6.0.3.tgz#04e014a5682b53fa50c2d5cce167d719c06d870d"
+  dependencies:
+    nan "^2.0.8"
+
+scryptsy@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/scryptsy/-/scryptsy-1.2.1.tgz#a3225fa4b2524f802700761e2855bdf3b2d92163"
+  dependencies:
+    pbkdf2 "^3.0.3"
+
+seek-bzip@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/seek-bzip/-/seek-bzip-1.0.5.tgz#cfe917cb3d274bcffac792758af53173eb1fabdc"
+  dependencies:
+    commander "~2.8.1"
+
+"semver@2 || 3 || 4 || 5", semver@^5.3.0:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
+
+send@0.16.2:
+  version "0.16.2"
+  resolved "https://registry.yarnpkg.com/send/-/send-0.16.2.tgz#6ecca1e0f8c156d141597559848df64730a6bbc1"
+  dependencies:
+    debug "2.6.9"
+    depd "~1.1.2"
+    destroy "~1.0.4"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    etag "~1.8.1"
+    fresh "0.5.2"
+    http-errors "~1.6.2"
+    mime "1.4.1"
+    ms "2.0.0"
+    on-finished "~2.3.0"
+    range-parser "~1.2.0"
+    statuses "~1.4.0"
+
+serve-static@1.13.2:
+  version "1.13.2"
+  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.13.2.tgz#095e8472fd5b46237db50ce486a43f4b86c6cec1"
+  dependencies:
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    parseurl "~1.3.2"
+    send "0.16.2"
+
+servify@^0.1.12:
+  version "0.1.12"
+  resolved "https://registry.yarnpkg.com/servify/-/servify-0.1.12.tgz#142ab7bee1f1d033b66d0707086085b17c06db95"
+  dependencies:
+    body-parser "^1.16.0"
+    cors "^2.8.1"
+    express "^4.14.0"
+    request "^2.79.0"
+    xhr "^2.3.3"
+
+set-blocking@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
+
+setimmediate@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.5.tgz#290cbb232e306942d7d7ea9b83732ab7856f8285"
+
+setprototypeof@1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.0.3.tgz#66567e37043eeb4f04d91bd658c0cbefb55b8e04"
+
+setprototypeof@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.0.tgz#d0bd85536887b6fe7c0d818cb962d9d91c54e656"
+
+sha.js@^2.4.0, sha.js@^2.4.8:
+  version "2.4.11"
+  resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.11.tgz#37a5cf0b81ecbc6943de109ba2960d1b26584ae7"
+  dependencies:
+    inherits "^2.0.1"
+    safe-buffer "^5.0.1"
+
+sha3@^1.1.0:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/sha3/-/sha3-1.2.2.tgz#a66c5098de4c25bc88336ec8b4817d005bca7ba9"
+  dependencies:
+    nan "2.10.0"
+
+simple-concat@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/simple-concat/-/simple-concat-1.0.0.tgz#7344cbb8b6e26fb27d66b2fc86f9f6d5997521c6"
+
+simple-get@^2.7.0:
+  version "2.8.1"
+  resolved "https://registry.yarnpkg.com/simple-get/-/simple-get-2.8.1.tgz#0e22e91d4575d87620620bc91308d57a77f44b5d"
+  dependencies:
+    decompress-response "^3.3.0"
+    once "^1.3.1"
+    simple-concat "^1.0.0"
+
+solc@0.4.24:
+  version "0.4.24"
+  resolved "https://registry.yarnpkg.com/solc/-/solc-0.4.24.tgz#354f14b269b38cbaa82a47d1ff151723502b954e"
+  dependencies:
+    fs-extra "^0.30.0"
+    memorystream "^0.3.1"
+    require-from-string "^1.1.0"
+    semver "^5.3.0"
+    yargs "^4.7.1"
+
+spdx-correct@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.0.0.tgz#05a5b4d7153a195bc92c3c425b69f3b2a9524c82"
+  dependencies:
+    spdx-expression-parse "^3.0.0"
+    spdx-license-ids "^3.0.0"
+
+spdx-exceptions@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/spdx-exceptions/-/spdx-exceptions-2.1.0.tgz#2c7ae61056c714a5b9b9b2b2af7d311ef5c78fe9"
+
+spdx-expression-parse@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/spdx-expression-parse/-/spdx-expression-parse-3.0.0.tgz#99e119b7a5da00e05491c9fa338b7904823b41d0"
+  dependencies:
+    spdx-exceptions "^2.1.0"
+    spdx-license-ids "^3.0.0"
+
+spdx-license-ids@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-3.0.0.tgz#7a7cd28470cc6d3a1cfe6d66886f6bc430d3ac87"
+
+sshpk@^1.7.0:
+  version "1.14.2"
+  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.14.2.tgz#c6fc61648a3d9c4e764fd3fcdf4ea105e492ba98"
+  dependencies:
+    asn1 "~0.2.3"
+    assert-plus "^1.0.0"
+    dashdash "^1.12.0"
+    getpass "^0.1.1"
+    safer-buffer "^2.0.2"
+  optionalDependencies:
+    bcrypt-pbkdf "^1.0.0"
+    ecc-jsbn "~0.1.1"
+    jsbn "~0.1.0"
+    tweetnacl "~0.14.0"
+
+"statuses@>= 1.3.1 < 2", "statuses@>= 1.4.0 < 2":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
+
+statuses@~1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.4.0.tgz#bb73d446da2796106efcc1b601a253d6c46bd087"
+
+strict-uri-encode@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz#279b225df1d582b1f54e65addd4352e18faa0713"
+
+string-width@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
+  dependencies:
+    code-point-at "^1.0.0"
+    is-fullwidth-code-point "^1.0.0"
+    strip-ansi "^3.0.0"
+
+string_decoder@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  dependencies:
+    safe-buffer "~5.1.0"
+
+strip-ansi@^3.0.0, strip-ansi@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
+  dependencies:
+    ansi-regex "^2.0.0"
+
+strip-bom@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
+  dependencies:
+    is-utf8 "^0.2.0"
+
+strip-dirs@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/strip-dirs/-/strip-dirs-2.1.0.tgz#4987736264fc344cf20f6c34aca9d13d1d4ed6c5"
+  dependencies:
+    is-natural-number "^4.0.1"
+
+strip-hex-prefix@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/strip-hex-prefix/-/strip-hex-prefix-1.0.0.tgz#0c5f155fef1151373377de9dbb588da05500e36f"
+  dependencies:
+    is-hex-prefixed "1.0.0"
+
+supports-color@4.4.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.4.0.tgz#883f7ddabc165142b2a61427f3352ded195d1a3e"
+  dependencies:
+    has-flag "^2.0.0"
+
+swarm-js@0.1.37:
+  version "0.1.37"
+  resolved "https://registry.yarnpkg.com/swarm-js/-/swarm-js-0.1.37.tgz#27d485317a340bbeec40292af783cc10acfa4663"
+  dependencies:
+    bluebird "^3.5.0"
+    buffer "^5.0.5"
+    decompress "^4.0.0"
+    eth-lib "^0.1.26"
+    fs-extra "^2.1.2"
+    fs-promise "^2.0.0"
+    got "^7.1.0"
+    mime-types "^2.1.16"
+    mkdirp-promise "^5.0.1"
+    mock-fs "^4.1.0"
+    setimmediate "^1.0.5"
+    tar.gz "^1.0.5"
+    xhr-request-promise "^0.1.2"
+
+tar-stream@^1.5.2:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/tar-stream/-/tar-stream-1.6.1.tgz#f84ef1696269d6223ca48f6e1eeede3f7e81f395"
+  dependencies:
+    bl "^1.0.0"
+    buffer-alloc "^1.1.0"
+    end-of-stream "^1.0.0"
+    fs-constants "^1.0.0"
+    readable-stream "^2.3.0"
+    to-buffer "^1.1.0"
+    xtend "^4.0.0"
+
+tar.gz@^1.0.5:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/tar.gz/-/tar.gz-1.0.7.tgz#577ef2c595faaa73452ef0415fed41113212257b"
+  dependencies:
+    bluebird "^2.9.34"
+    commander "^2.8.1"
+    fstream "^1.0.8"
+    mout "^0.11.0"
+    tar "^2.1.1"
+
+tar@^2.1.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-2.2.1.tgz#8e4d2a256c0e2185c6b18ad694aec968b83cb1d1"
+  dependencies:
+    block-stream "*"
+    fstream "^1.0.2"
+    inherits "2"
+
+thenify-all@^1.0.0, thenify-all@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/thenify-all/-/thenify-all-1.6.0.tgz#1a1918d402d8fc3f98fbf234db0bcc8cc10e9726"
+  dependencies:
+    thenify ">= 3.1.0 < 4"
+
+"thenify@>= 3.1.0 < 4":
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/thenify/-/thenify-3.3.0.tgz#e69e38a1babe969b0108207978b9f62b88604839"
+  dependencies:
+    any-promise "^1.0.0"
+
+through@^2.3.6:
+  version "2.3.8"
+  resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
+
+timed-out@^4.0.0, timed-out@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
+
+to-buffer@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/to-buffer/-/to-buffer-1.1.1.tgz#493bd48f62d7c43fcded313a03dcadb2e1213a80"
+
+tough-cookie@~2.3.3:
+  version "2.3.4"
+  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.4.tgz#ec60cee38ac675063ffc97a5c18970578ee83655"
+  dependencies:
+    punycode "^1.4.1"
+
+trim@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/trim/-/trim-0.0.1.tgz#5858547f6b290757ee95cccc666fb50084c460dd"
+
+truffle@^4.1.12:
+  version "4.1.13"
+  resolved "https://registry.yarnpkg.com/truffle/-/truffle-4.1.13.tgz#bf27586988b4ff84563edfbf32b47941408a76ad"
+  dependencies:
+    mocha "^4.1.0"
+    original-require "1.0.1"
+    solc "0.4.24"
+
+tunnel-agent@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"
+  dependencies:
+    safe-buffer "^5.0.1"
+
+tweetnacl@^0.14.3, tweetnacl@~0.14.0:
+  version "0.14.5"
+  resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
+
+type-is@~1.6.15, type-is@~1.6.16:
+  version "1.6.16"
+  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.16.tgz#f89ce341541c672b25ee7ae3c73dee3b2be50194"
+  dependencies:
+    media-typer "0.3.0"
+    mime-types "~2.1.18"
+
+typedarray-to-buffer@^3.1.2:
+  version "3.1.5"
+  resolved "https://registry.yarnpkg.com/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz#a97ee7a9ff42691b9f783ff1bc5112fe3fca9080"
+  dependencies:
+    is-typedarray "^1.0.0"
+
+ultron@~1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ultron/-/ultron-1.1.1.tgz#9fe1536a10a664a65266a1e3ccf85fd36302bc9c"
+
+unbzip2-stream@^1.0.9:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/unbzip2-stream/-/unbzip2-stream-1.2.5.tgz#73a033a567bbbde59654b193c44d48a7e4f43c47"
+  dependencies:
+    buffer "^3.0.1"
+    through "^2.3.6"
+
+underscore@1.8.3:
+  version "1.8.3"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"
+
+unpipe@1.0.0, unpipe@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
+
+url-parse-lax@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/url-parse-lax/-/url-parse-lax-1.0.0.tgz#7af8f303645e9bd79a272e7a14ac68bc0609da73"
+  dependencies:
+    prepend-http "^1.0.1"
+
+url-set-query@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/url-set-query/-/url-set-query-1.0.0.tgz#016e8cfd7c20ee05cafe7795e892bd0702faa339"
+
+url-to-options@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/url-to-options/-/url-to-options-1.0.1.tgz#1505a03a289a48cbd7a434efbaeec5055f5633a9"
+
+utf8@2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/utf8/-/utf8-2.1.1.tgz#2e01db02f7d8d0944f77104f1609eb0c304cf768"
+
+util-deprecate@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+
+utils-merge@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
+
+uuid@2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-2.0.1.tgz#c2a30dedb3e535d72ccf82e343941a50ba8533ac"
+
+uuid@^3.1.0:
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"
+
+validate-npm-package-license@^3.0.1:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.3.tgz#81643bcbef1bdfecd4623793dc4648948ba98338"
+  dependencies:
+    spdx-correct "^3.0.0"
+    spdx-expression-parse "^3.0.0"
+
+vary@^1, vary@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
+
+verror@1.10.0:
+  version "1.10.0"
+  resolved "https://registry.yarnpkg.com/verror/-/verror-1.10.0.tgz#3a105ca17053af55d6e270c1f8288682e18da400"
+  dependencies:
+    assert-plus "^1.0.0"
+    core-util-is "1.0.2"
+    extsprintf "^1.2.0"
+
+web3-bzz@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.0.0-beta.34.tgz#068d37777ab65e5c60f8ec8b9a50cfe45277929c"
+  dependencies:
+    got "7.1.0"
+    swarm-js "0.1.37"
+    underscore "1.8.3"
+
+web3-core-helpers@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.0.0-beta.34.tgz#b168da00d3e19e156bc15ae203203dd4dfee2d03"
+  dependencies:
+    underscore "1.8.3"
+    web3-eth-iban "1.0.0-beta.34"
+    web3-utils "1.0.0-beta.34"
+
+web3-core-method@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.0.0-beta.34.tgz#ec163c8a2c490fa02a7ec15559fa7307fc7cc6dd"
+  dependencies:
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.34"
+    web3-core-promievent "1.0.0-beta.34"
+    web3-core-subscriptions "1.0.0-beta.34"
+    web3-utils "1.0.0-beta.34"
+
+web3-core-promievent@1.0.0-beta.34, web3-core-promievent@^1.0.0-beta.21:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.0.0-beta.34.tgz#a4f4fa6784bb293e82c60960ae5b56a94cd03edc"
+  dependencies:
+    any-promise "1.3.0"
+    eventemitter3 "1.1.1"
+
+web3-core-requestmanager@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.0.0-beta.34.tgz#01f8f6cf2ae6b6f0b70c38bae1ef741b5bab215c"
+  dependencies:
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.34"
+    web3-providers-http "1.0.0-beta.34"
+    web3-providers-ipc "1.0.0-beta.34"
+    web3-providers-ws "1.0.0-beta.34"
+
+web3-core-subscriptions@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.34.tgz#9fed144033f221c3cf21060302ffdaf5ef2de2de"
+  dependencies:
+    eventemitter3 "1.1.1"
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.34"
+
+web3-core@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.0.0-beta.34.tgz#121be8555e9fb00d2c5d05ddd3381d0c9e46987e"
+  dependencies:
+    web3-core-helpers "1.0.0-beta.34"
+    web3-core-method "1.0.0-beta.34"
+    web3-core-requestmanager "1.0.0-beta.34"
+    web3-utils "1.0.0-beta.34"
+
+web3-eth-abi@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.0.0-beta.34.tgz#034533e3aa2f7e59ff31793eaea685c0ed5af67a"
+  dependencies:
+    bn.js "4.11.6"
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.34"
+    web3-utils "1.0.0-beta.34"
+
+web3-eth-accounts@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.0.0-beta.34.tgz#e09142eeecc797ac3459b75e9b23946d3695f333"
+  dependencies:
+    any-promise "1.3.0"
+    crypto-browserify "3.12.0"
+    eth-lib "0.2.7"
+    scrypt.js "0.2.0"
+    underscore "1.8.3"
+    uuid "2.0.1"
+    web3-core "1.0.0-beta.34"
+    web3-core-helpers "1.0.0-beta.34"
+    web3-core-method "1.0.0-beta.34"
+    web3-utils "1.0.0-beta.34"
+
+web3-eth-contract@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.0.0-beta.34.tgz#9dbb38fae7643a808427a20180470ec7415c91e6"
+  dependencies:
+    underscore "1.8.3"
+    web3-core "1.0.0-beta.34"
+    web3-core-helpers "1.0.0-beta.34"
+    web3-core-method "1.0.0-beta.34"
+    web3-core-promievent "1.0.0-beta.34"
+    web3-core-subscriptions "1.0.0-beta.34"
+    web3-eth-abi "1.0.0-beta.34"
+    web3-utils "1.0.0-beta.34"
+
+web3-eth-iban@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.34.tgz#9af458605867ccf74ea979aaf326b38ba6a5ba0c"
+  dependencies:
+    bn.js "4.11.6"
+    web3-utils "1.0.0-beta.34"
+
+web3-eth-personal@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.0.0-beta.34.tgz#9afba167342ebde5420bcd5895c3f6c34388f205"
+  dependencies:
+    web3-core "1.0.0-beta.34"
+    web3-core-helpers "1.0.0-beta.34"
+    web3-core-method "1.0.0-beta.34"
+    web3-net "1.0.0-beta.34"
+    web3-utils "1.0.0-beta.34"
+
+web3-eth@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.0.0-beta.34.tgz#74086000850c6fe6f535ef49837d6d4bb6113268"
+  dependencies:
+    underscore "1.8.3"
+    web3-core "1.0.0-beta.34"
+    web3-core-helpers "1.0.0-beta.34"
+    web3-core-method "1.0.0-beta.34"
+    web3-core-subscriptions "1.0.0-beta.34"
+    web3-eth-abi "1.0.0-beta.34"
+    web3-eth-accounts "1.0.0-beta.34"
+    web3-eth-contract "1.0.0-beta.34"
+    web3-eth-iban "1.0.0-beta.34"
+    web3-eth-personal "1.0.0-beta.34"
+    web3-net "1.0.0-beta.34"
+    web3-utils "1.0.0-beta.34"
+
+web3-net@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.0.0-beta.34.tgz#427cea2f431881449c8e38d523290f173f9ff63d"
+  dependencies:
+    web3-core "1.0.0-beta.34"
+    web3-core-method "1.0.0-beta.34"
+    web3-utils "1.0.0-beta.34"
+
+web3-providers-http@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.0.0-beta.34.tgz#e561b52bbb43766282007d40285bfe3550c27e7a"
+  dependencies:
+    web3-core-helpers "1.0.0-beta.34"
+    xhr2 "0.1.4"
+
+web3-providers-ipc@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.0.0-beta.34.tgz#a1b77f1a306d73649a9c039052e40cb71328d00a"
+  dependencies:
+    oboe "2.1.3"
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.34"
+
+web3-providers-ws@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.0.0-beta.34.tgz#7de70f1b83f2de36476772156becfef6e3516eb3"
+  dependencies:
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.34"
+    websocket "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible"
+
+web3-shh@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.0.0-beta.34.tgz#975061d71eaec42ccee576f7bd8f70f03844afe0"
+  dependencies:
+    web3-core "1.0.0-beta.34"
+    web3-core-method "1.0.0-beta.34"
+    web3-core-subscriptions "1.0.0-beta.34"
+    web3-net "1.0.0-beta.34"
+
+web3-utils@1.0.0-beta.34:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.0.0-beta.34.tgz#9411fc39aaef39ca4e06169f762297d9ff020970"
+  dependencies:
+    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"
+
+web3@^1.0.0-beta.22:
+  version "1.0.0-beta.34"
+  resolved "https://registry.yarnpkg.com/web3/-/web3-1.0.0-beta.34.tgz#347e561b784098cb5563315f490479a1d91f2ab1"
+  dependencies:
+    web3-bzz "1.0.0-beta.34"
+    web3-core "1.0.0-beta.34"
+    web3-eth "1.0.0-beta.34"
+    web3-eth-personal "1.0.0-beta.34"
+    web3-net "1.0.0-beta.34"
+    web3-shh "1.0.0-beta.34"
+    web3-utils "1.0.0-beta.34"
+
+"websocket@git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible":
+  version "1.0.26"
+  resolved "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2"
+  dependencies:
+    debug "^2.2.0"
+    nan "^2.3.3"
+    typedarray-to-buffer "^3.1.2"
+    yaeti "^0.0.6"
+
+which-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
+
+window-size@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.2.0.tgz#b4315bb4214a3d7058ebeee892e13fa24d98b075"
+
+wrap-ansi@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+
+ws@^3.0.0:
+  version "3.3.3"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-3.3.3.tgz#f1cf84fe2d5e901ebce94efaece785f187a228f2"
+  dependencies:
+    async-limiter "~1.0.0"
+    safe-buffer "~5.1.0"
+    ultron "~1.1.0"
+
+xhr-request-promise@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/xhr-request-promise/-/xhr-request-promise-0.1.2.tgz#343c44d1ee7726b8648069682d0f840c83b4261d"
+  dependencies:
+    xhr-request "^1.0.1"
+
+xhr-request@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/xhr-request/-/xhr-request-1.1.0.tgz#f4a7c1868b9f198723444d82dcae317643f2e2ed"
+  dependencies:
+    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"
+
+xhr2@0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/xhr2/-/xhr2-0.1.4.tgz#7f87658847716db5026323812f818cadab387a5f"
+
+xhr@^2.0.4, xhr@^2.3.3:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/xhr/-/xhr-2.5.0.tgz#bed8d1676d5ca36108667692b74b316c496e49dd"
+  dependencies:
+    global "~4.3.0"
+    is-function "^1.0.1"
+    parse-headers "^2.0.0"
+    xtend "^4.0.0"
+
+xtend@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
+
+y18n@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
+
+yaeti@^0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/yaeti/-/yaeti-0.0.6.tgz#f26f484d72684cf42bedfb76970aa1608fbf9577"
+
+yargs-parser@^2.4.1:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-2.4.1.tgz#85568de3cf150ff49fa51825f03a8c880ddcc5c4"
+  dependencies:
+    camelcase "^3.0.0"
+    lodash.assign "^4.0.6"
+
+yargs@^4.7.1:
+  version "4.8.1"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-4.8.1.tgz#c0c42924ca4aaa6b0e6da1739dfb216439f9ddc0"
+  dependencies:
+    cliui "^3.2.0"
+    decamelize "^1.1.1"
+    get-caller-file "^1.0.1"
+    lodash.assign "^4.0.3"
+    os-locale "^1.4.0"
+    read-pkg-up "^1.0.1"
+    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"
+    y18n "^3.2.1"
+    yargs-parser "^2.4.1"
+
+yauzl@^2.4.2:
+  version "2.10.0"
+  resolved "https://registry.yarnpkg.com/yauzl/-/yauzl-2.10.0.tgz#c7eb17c93e112cb1086fa6d8e51fb0667b79a5f9"
+  dependencies:
+    buffer-crc32 "~0.2.3"
+    fd-slicer "~1.1.0"
+
+zeppelin-solidity@^1.7.0:
+  version "1.10.0"
+  resolved "https://registry.yarnpkg.com/zeppelin-solidity/-/zeppelin-solidity-1.10.0.tgz#ca82bf1b6f2e41e3504641783271ea718a917a0f"