diff --git a/yarn.lock b/yarn.lock
index 5343154..499e9d5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -67,6 +67,11 @@
   resolved "https://registry.yarnpkg.com/@types/crypto-js/-/crypto-js-3.1.43.tgz#b859347d6289ba13e347c335a4c9efa63337a748"
   integrity sha512-EHe/YKctU3IYNBsDmSOPX/7jLHPRlx8WaiDKSY9JCTnJ8XJeM4c0ZJvx+9Gxmr2s2ihI92R+3U/gNL1sq5oRuQ==
 
+"@types/node@^8.0.0":
+  version "8.10.66"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.10.66.tgz#dd035d409df322acc83dff62a602f12a5783bbb3"
+  integrity sha512-tktOkFUA4kXx2hhhrB8bIFb5TbwzS4uOhKEmwiD+NoiL0qtP2OQ9mFldbgD4dV1djrlBYP6eBuQZiWjuHUpqFw==
+
 "@types/node@^8.0.7":
   version "8.10.49"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-8.10.49.tgz#f331afc5efed0796798e5591d6e0ece636969b7b"
@@ -409,6 +414,13 @@ balanced-match@^1.0.0:
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
   integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
 
+base-x@^3.0.2, base-x@^3.0.8:
+  version "3.0.8"
+  resolved "https://registry.yarnpkg.com/base-x/-/base-x-3.0.8.tgz#1e1106c2537f0162e8b52474a557ebb09000018d"
+  integrity sha512-Rl/1AWP4J/zRrk54hhlxH4drNxPJXYUaKffODVI53/dAsV4t9fBxyxYKAVPU1XBHxYwOWP9h9H0hM2MVw4YfJA==
+  dependencies:
+    safe-buffer "^5.0.1"
+
 base-x@^3.0.4:
   version "3.0.5"
   resolved "https://registry.yarnpkg.com/base-x/-/base-x-3.0.5.tgz#d3ada59afed05b921ab581ec3112e6444ba0795a"
@@ -426,6 +438,11 @@ base64-js@^1.0.2:
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.0.tgz#cab1e6118f051095e58b5281aea8c1cd22bfc0e3"
   integrity sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw==
 
+base64-js@^1.3.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.5.1.tgz#1b1b440160a5bf7ad40b650f095963481903930a"
+  integrity sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==
+
 base64id@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/base64id/-/base64id-1.0.0.tgz#47688cb99bb6804f0e06d3e763b1c32e57d8e6b6"
@@ -444,6 +461,14 @@ base@^0.11.1:
     mixin-deep "^1.2.0"
     pascalcase "^0.1.1"
 
+bchaddrjs-slp@^0.2.8:
+  version "0.2.14"
+  resolved "https://registry.yarnpkg.com/bchaddrjs-slp/-/bchaddrjs-slp-0.2.14.tgz#bf276c23df339d0a8de8d8c07dc46d8a0471d642"
+  integrity sha512-4EdUV6Kwu2Ae8QyYtLAnHOUu0Zfl0w5wDPbeftiu3+fVr6ZyPmuVKlZtU2HERx76BOngZpGTf+suM3nuPJ0Tuw==
+  dependencies:
+    bs58check "^2.1.2"
+    cashaddrjs-slp "^0.2.12"
+
 bcrypt-pbkdf@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz#a4301d389b6a43f9b67ff3ca11a3f6637e360e9e"
@@ -458,6 +483,11 @@ better-assert@~1.0.0:
   dependencies:
     callsite "1.0.0"
 
+big-integer@^1.6.34:
+  version "1.6.48"
+  resolved "https://registry.yarnpkg.com/big-integer/-/big-integer-1.6.48.tgz#8fd88bd1632cba4a1c8c3e3d7159f08bb95b4b9e"
+  integrity sha512-j51egjPa7/i+RdiRuJbPdJ2FIUYYPhvYLjzoYbcMMm62ooO6F94fETG4MTs46zPAF9Brs04OajboA/qTGuz78w==
+
 binary-extensions@^1.0.0:
   version "1.13.1"
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
@@ -690,6 +720,22 @@ browserify@^15.1.0:
     vm-browserify "~0.0.1"
     xtend "^4.0.0"
 
+bs58@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/bs58/-/bs58-4.0.1.tgz#be161e76c354f6f788ae4071f63f34e8c4f0a42a"
+  integrity sha1-vhYedsNU9veIrkBx9j806MTwpCo=
+  dependencies:
+    base-x "^3.0.2"
+
+bs58check@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/bs58check/-/bs58check-2.1.2.tgz#53b018291228d82a5aa08e7d796fdafda54aebfc"
+  integrity sha512-0TS1jicxdU09dwJMNZtVAfzPi6Q6QeN0pM1Fkzrjn+XYHvzMKPU3pHVpva+769iNVSfIYWf7LJ6WR+BuuMf8cA==
+  dependencies:
+    bs58 "^4.0.0"
+    create-hash "^1.1.0"
+    safe-buffer "^5.1.2"
+
 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"
@@ -731,6 +777,14 @@ buffer@^5.0.2, buffer@^5.1.0:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"
 
+buffer@^5.6.0:
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.7.1.tgz#ba62e7c13133053582197160851a8f648e99eed0"
+  integrity sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==
+  dependencies:
+    base64-js "^1.3.1"
+    ieee754 "^1.1.13"
+
 buildmail@4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/buildmail/-/buildmail-4.0.1.tgz#877f7738b78729871c9a105e3b837d2be11a7a72"
@@ -754,6 +808,15 @@ bytes@3.1.0:
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.0.tgz#f6cf7933a360e0588fa9fde85651cdc7f805d1f6"
   integrity sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==
 
+c32check@^1.0.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/c32check/-/c32check-1.1.2.tgz#e84a66366bf9964ddf8d7b1f86d0e79281b8c8bd"
+  integrity sha512-YgmbvOQ9HfoH7ptW80JP6WJdgoHJFGqFjxaFYvwD+bU5i3dJ44a1LI0yxdiA2n/tVKq9W92tYcFjTP5hGlvhcg==
+  dependencies:
+    base-x "^3.0.8"
+    buffer "^5.6.0"
+    cross-sha256 "^1.1.2"
+
 cache-base@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
@@ -801,6 +864,13 @@ caseless@~0.12.0:
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
   integrity sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=
 
+cashaddrjs-slp@^0.2.12:
+  version "0.2.12"
+  resolved "https://registry.yarnpkg.com/cashaddrjs-slp/-/cashaddrjs-slp-0.2.12.tgz#30eda56cfc3ad4a949911258a0356459f45879d4"
+  integrity sha512-n2TTIuW6vZZxYvjvsUAA+wOM0Zkj+3RRKUtDC1XSu4Ic4XVr0yFJkl1bzQkHWda7nkVT51sxjZneygz7D0SyrQ==
+  dependencies:
+    big-integer "^1.6.34"
+
 cbor-js@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/cbor-js/-/cbor-js-0.1.0.tgz#c80ce6120f387e8faa74370dfda21d965b8fc7f9"
@@ -1130,6 +1200,14 @@ create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
+cross-sha256@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/cross-sha256/-/cross-sha256-1.1.2.tgz#ca7c79fef95ddb38b33a074a33ce79b019d0c340"
+  integrity sha512-ZMGqJvPZQY/hmFvTJyM4LGVZIvEqD58GrCWA28goaDdo6wGzjgxWKEDxVfahkNCF/ryxBNfHe3Ql/BMSwPPbcg==
+  dependencies:
+    "@types/node" "^8.0.0"
+    buffer "^5.6.0"
+
 cross-spawn@^6.0.5:
   version "6.0.5"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
@@ -2295,9 +2373,9 @@ hoek@2.x.x:
   integrity sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=
 
 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"
-  integrity sha512-7T/BxH19zbcCTa8XkMlbK5lTo1WtgkFi3GvdWEyNuc4Vex7/9Dqbnpsf4JMydcfj9HCg4zUWFTL3Za6lapg5/w==
+  version "2.8.9"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.9.tgz#dffc0bf9a21c02209090f2aa69429e1414daf3f9"
+  integrity sha512-mxIDAb9Lsm6DoOJ7xH+5+X4y1LU/4Hi50L9C5sIswK3JzULS4bwk1FvjdBgvYR4bzT4tuUQiC15FE2f5HbLvYw==
 
 htmlescape@^1.1.0:
   version "1.1.1"
@@ -2388,6 +2466,11 @@ iconv-lite@0.4.24, iconv-lite@^0.4.17, iconv-lite@^0.4.4:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
+ieee754@^1.1.13:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.2.1.tgz#8eb7a10a63fff25d15a57b001586d177d1b0d352"
+  integrity sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==
+
 ieee754@^1.1.4:
   version "1.1.13"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.13.tgz#ec168558e95aa181fd87d37f55c32bbcb6708b84"
@@ -2739,6 +2822,11 @@ isstream@~0.1.2:
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
   integrity sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=
 
+js-sha512@^0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/js-sha512/-/js-sha512-0.8.0.tgz#dd22db8d02756faccf19f218e3ed61ec8249f7d4"
+  integrity sha512-PWsmefG6Jkodqt+ePTvBZCSMFgN7Clckjd0O7su3I0+BW2QWUTJNzjktHsztGLhncP2h8mcF9V9Y2Ha59pAViQ==
+
 "js-tokens@^3.0.0 || ^4.0.0":
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
@@ -4211,6 +4299,11 @@ ret@~0.1.10:
   resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
   integrity sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==
 
+rfc4648@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/rfc4648/-/rfc4648-1.4.0.tgz#c75b2856ad2e2d588b6ddb985d556f1f7f2a2abd"
+  integrity sha512-3qIzGhHlMHA6PoT6+cdPKZ+ZqtxkIvg8DZGKA5z6PQ33/uuhoJ+Ws/D/J9rXW6gXodgH8QYlz2UCl+sdUDmNIg==
+
 rimraf@^2.6.0, rimraf@^2.6.1, rimraf@~2.6.2:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.3.tgz#b2d104fe0d8fb27cf9e0a1cda8262dd3833c6cab"