diff --git a/package.json b/package.json
index 4279947..6d3d3a1 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@fortawesome/fontawesome-svg-core": "^1.2.34",
     "@fortawesome/free-regular-svg-icons": "^5.15.2",
     "@nuxtjs/axios": "^5.13.0",
-    "@polkadot/api": "^3.7.3",
+    "@polkadot/api": "^4.2.1",
     "@polkadot/extension-dapp": "^0.36.1",
     "@polkadot/vue-identicon": "^0.60.1",
     "@vue/composition-api": "^1.0.0-rc.1",
diff --git a/yarn.lock b/yarn.lock
index 54f424c..4df976c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -973,10 +973,10 @@
     "@babel/types" "^7.4.4"
     esutils "^2.0.2"
 
-"@babel/runtime@^7.11.2", "@babel/runtime@^7.12.5", "@babel/runtime@^7.8.4":
-  version "7.12.5"
-  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.12.5.tgz#410e7e487441e1b360c29be715d870d9b985882e"
-  integrity sha512-plcc+hbExy3McchJCEQG3knOsuh3HH+Prx1P6cLIkET/0dLuQDEnrT+s27Axgc9bqfsmNUNHfscgMUdBpC9xfg==
+"@babel/runtime@^7.11.2", "@babel/runtime@^7.12.5", "@babel/runtime@^7.13.10", "@babel/runtime@^7.13.9", "@babel/runtime@^7.8.4":
+  version "7.13.10"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.13.10.tgz#47d42a57b6095f4468da440388fdbad8bebf0d7d"
+  integrity sha512-4QPkjJq6Ns3V/RgpEahRk+AGfL0eO6RHHtTWoNNr5mO49G6B5+X6d6THgWEAvTrznU5xYpbAlVKRYcsCgh/Akw==
   dependencies:
     regenerator-runtime "^0.13.4"
 
@@ -1734,36 +1734,36 @@
     mustache "^2.3.0"
     stack-trace "0.0.10"
 
-"@polkadot/api-derive@3.7.3":
-  version "3.7.3"
-  resolved "https://registry.yarnpkg.com/@polkadot/api-derive/-/api-derive-3.7.3.tgz#3f4becd6bdb4a199a0e423028dd23fafb98cb130"
-  integrity sha512-6JEfmCwFZwSA48Fpw+o9ls6KmaPFuIHvJPGSl3rpbisfss75/LaazGkORNkOFbVxkdZSQHUU8irTav7pB7ALrw==
-  dependencies:
-    "@babel/runtime" "^7.12.5"
-    "@polkadot/api" "3.7.3"
-    "@polkadot/rpc-core" "3.7.3"
-    "@polkadot/types" "3.7.3"
-    "@polkadot/util" "^5.5.2"
-    "@polkadot/util-crypto" "^5.5.2"
-    "@polkadot/x-rxjs" "^5.5.2"
+"@polkadot/api-derive@4.2.1":
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/@polkadot/api-derive/-/api-derive-4.2.1.tgz#848a2a9ef947f08660af2571f72ca2b06969f2e3"
+  integrity sha512-TQqhK356IEk7ksMDE/tA3ZKqFEI8O8virZItd/w+RFaBs/HfbDNP8p+xPM5+6Rif3kuBzdubMv3Bdq/OIAJc6g==
+  dependencies:
+    "@babel/runtime" "^7.13.10"
+    "@polkadot/api" "4.2.1"
+    "@polkadot/rpc-core" "4.2.1"
+    "@polkadot/types" "4.2.1"
+    "@polkadot/util" "^6.0.5"
+    "@polkadot/util-crypto" "^6.0.5"
+    "@polkadot/x-rxjs" "^6.0.5"
     bn.js "^4.11.9"
 
-"@polkadot/api@3.7.3", "@polkadot/api@^3.7.3":
-  version "3.7.3"
-  resolved "https://registry.yarnpkg.com/@polkadot/api/-/api-3.7.3.tgz#14a016f8343286923d8fbdf4e892ea83dd1e35d4"
-  integrity sha512-zHiI/8WiCSnyctUQDER5/hj6GLvknQNxjlh61ecoYkGE5S5Ofs7ph/6R66S6wJZEGLHOqtvzCvcxN3z94ZSHSA==
-  dependencies:
-    "@babel/runtime" "^7.12.5"
-    "@polkadot/api-derive" "3.7.3"
-    "@polkadot/keyring" "^5.5.2"
-    "@polkadot/metadata" "3.7.3"
-    "@polkadot/rpc-core" "3.7.3"
-    "@polkadot/rpc-provider" "3.7.3"
-    "@polkadot/types" "3.7.3"
-    "@polkadot/types-known" "3.7.3"
-    "@polkadot/util" "^5.5.2"
-    "@polkadot/util-crypto" "^5.5.2"
-    "@polkadot/x-rxjs" "^5.5.2"
+"@polkadot/api@4.2.1", "@polkadot/api@^4.2.1":
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/@polkadot/api/-/api-4.2.1.tgz#8eb0997dc148a34a4aca3a0dcaabad9954565909"
+  integrity sha512-PbXwcLnZr5V5LfKsovMS0TRG+rfJp8lJxluCyOSABDpaz2h1B5R8rdYEZCmXI3qSrT0yu2C6Pp8AjTQHRd7SAA==
+  dependencies:
+    "@babel/runtime" "^7.13.10"
+    "@polkadot/api-derive" "4.2.1"
+    "@polkadot/keyring" "^6.0.5"
+    "@polkadot/metadata" "4.2.1"
+    "@polkadot/rpc-core" "4.2.1"
+    "@polkadot/rpc-provider" "4.2.1"
+    "@polkadot/types" "4.2.1"
+    "@polkadot/types-known" "4.2.1"
+    "@polkadot/util" "^6.0.5"
+    "@polkadot/util-crypto" "^6.0.5"
+    "@polkadot/x-rxjs" "^6.0.5"
     bn.js "^4.11.9"
     eventemitter3 "^4.0.7"
 
@@ -1784,82 +1784,89 @@
   dependencies:
     "@babel/runtime" "^7.12.5"
 
-"@polkadot/keyring@^5.5.2":
-  version "5.5.2"
-  resolved "https://registry.yarnpkg.com/@polkadot/keyring/-/keyring-5.5.2.tgz#fc929129de0d942e322820291beefdf8eefd644a"
-  integrity sha512-xuaF8tx7RokcVgmp4WKcnnhKAl6pUeOgV8RFO3BnFB8Z1WcgYs984cv0LhjovSGRsDyL/fL+/5/ZZXO90YxJYg==
+"@polkadot/keyring@^6.0.5":
+  version "6.0.5"
+  resolved "https://registry.yarnpkg.com/@polkadot/keyring/-/keyring-6.0.5.tgz#b684f354476e96c657a7e8d3e5f0c090e1178b31"
+  integrity sha512-v9Tmu+eGZnWpLzxHUj5AIvmfX0uCHWShtF90zvaLvMXLFRWfeuaFnZwdZ+fNkXsrbI0R/w1gRtpFqzsT7QUbVw==
   dependencies:
-    "@babel/runtime" "^7.12.5"
-    "@polkadot/util" "5.5.2"
-    "@polkadot/util-crypto" "5.5.2"
+    "@babel/runtime" "^7.13.9"
+    "@polkadot/util" "6.0.5"
+    "@polkadot/util-crypto" "6.0.5"
 
-"@polkadot/metadata@3.7.3":
-  version "3.7.3"
-  resolved "https://registry.yarnpkg.com/@polkadot/metadata/-/metadata-3.7.3.tgz#6960b0a86329dabca93f0fced641e2408962f3b4"
-  integrity sha512-hjtA8bC2HiKiSNtBBVfIZAwUsloW09+MrYkcf6yYFndht6EGdCPbFG/xwZkAmRhyTSVoytfWN+3ACu1rD/WN8A==
-  dependencies:
-    "@babel/runtime" "^7.12.5"
-    "@polkadot/types" "3.7.3"
-    "@polkadot/types-known" "3.7.3"
-    "@polkadot/util" "^5.5.2"
-    "@polkadot/util-crypto" "^5.5.2"
+"@polkadot/metadata@4.2.1":
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/@polkadot/metadata/-/metadata-4.2.1.tgz#7bff99e44992708469e7b2aa70d0865637d8febe"
+  integrity sha512-oXuKOrKTU0wys5pedKd1OVUDWK8/NoBRCrUYN8fxq3Qq/J9Sz6lF4ZbgX3w22C75l1z2+acsebiZBwlpWgKeqw==
+  dependencies:
+    "@babel/runtime" "^7.13.10"
+    "@polkadot/types" "4.2.1"
+    "@polkadot/types-known" "4.2.1"
+    "@polkadot/util" "^6.0.5"
+    "@polkadot/util-crypto" "^6.0.5"
     bn.js "^4.11.9"
 
-"@polkadot/networks@5.5.2", "@polkadot/networks@^5.5.2":
+"@polkadot/networks@5.5.2":
   version "5.5.2"
   resolved "https://registry.yarnpkg.com/@polkadot/networks/-/networks-5.5.2.tgz#7a1be26fbb44512084f4575c2f2c876e007b79a5"
   integrity sha512-KDoqUulR0r0uv8H7iKC4X/+YUcrqrIe0ACeidvCfTcu4iiAnWXwbS9ifv/qj+eWTI+FXMSRFDSCvyYXKz4Ic2A==
   dependencies:
     "@babel/runtime" "^7.12.5"
 
-"@polkadot/rpc-core@3.7.3":
-  version "3.7.3"
-  resolved "https://registry.yarnpkg.com/@polkadot/rpc-core/-/rpc-core-3.7.3.tgz#d9ee04f4e6a6e28aabc420c566e3c74c888f836a"
-  integrity sha512-zC2vPcKu4IjrWOop8HIoyd0smc2/s9VVJx6LwbFigLikYw4g/ZYCe7MBpMpOxLJYvN+Huy1Ije2M3SwQTllNIg==
+"@polkadot/networks@6.0.5", "@polkadot/networks@^6.0.5":
+  version "6.0.5"
+  resolved "https://registry.yarnpkg.com/@polkadot/networks/-/networks-6.0.5.tgz#36271138eb2b1b7d79462fa89544d1b90fa77010"
+  integrity sha512-QSa5RdK43yD4kLsZ6tXIB652bZircaVPOpsZ5JFzxCM4gdxHCSCUeXNVBeh3uqeB3FOZZYzSYeoZHLaXuT3yJw==
   dependencies:
-    "@babel/runtime" "^7.12.5"
-    "@polkadot/metadata" "3.7.3"
-    "@polkadot/rpc-provider" "3.7.3"
-    "@polkadot/types" "3.7.3"
-    "@polkadot/util" "^5.5.2"
-    "@polkadot/x-rxjs" "^5.5.2"
+    "@babel/runtime" "^7.13.9"
 
-"@polkadot/rpc-provider@3.7.3":
-  version "3.7.3"
-  resolved "https://registry.yarnpkg.com/@polkadot/rpc-provider/-/rpc-provider-3.7.3.tgz#f046e7b1e7f969dce73737cb2d9e51959c2e1a36"
-  integrity sha512-3NlHq10vIcfrj0vq5YSONNzAHiIGAveBE0ZB7SwS8VKT9V04yv9B1WufQDeOtYPTC4Iy3PGJN359tMr9iPUzCA==
+"@polkadot/rpc-core@4.2.1":
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/@polkadot/rpc-core/-/rpc-core-4.2.1.tgz#249f2e8f359450e365b0784d494814c7348e9a3e"
+  integrity sha512-A67Rt7lFpdauj7O7fRGn9yhII0SpCRJ/NkHWKo/whj8RwIAuOdxLnekGC9Qr26FPi0mAqN5DBQ8vYSDUiLFXxA==
   dependencies:
-    "@babel/runtime" "^7.12.5"
-    "@polkadot/types" "3.7.3"
-    "@polkadot/util" "^5.5.2"
-    "@polkadot/util-crypto" "^5.5.2"
-    "@polkadot/x-fetch" "^5.5.2"
-    "@polkadot/x-global" "^5.5.2"
-    "@polkadot/x-ws" "^5.5.2"
+    "@babel/runtime" "^7.13.10"
+    "@polkadot/metadata" "4.2.1"
+    "@polkadot/rpc-provider" "4.2.1"
+    "@polkadot/types" "4.2.1"
+    "@polkadot/util" "^6.0.5"
+    "@polkadot/x-rxjs" "^6.0.5"
+
+"@polkadot/rpc-provider@4.2.1":
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/@polkadot/rpc-provider/-/rpc-provider-4.2.1.tgz#2dbb217773a57fde2a70fc15628e2682e3ac81f8"
+  integrity sha512-Gwfs6JAD4Sp+Uz1kEtBSt1P6C3Lwn9xZ64CupU1/6w3qj9QzTFOKHKoznnekiH5HXSh53qVz2c2OSXptSrwL0Q==
+  dependencies:
+    "@babel/runtime" "^7.13.10"
+    "@polkadot/types" "4.2.1"
+    "@polkadot/util" "^6.0.5"
+    "@polkadot/util-crypto" "^6.0.5"
+    "@polkadot/x-fetch" "^6.0.5"
+    "@polkadot/x-global" "^6.0.5"
+    "@polkadot/x-ws" "^6.0.5"
     bn.js "^4.11.9"
     eventemitter3 "^4.0.7"
 
-"@polkadot/types-known@3.7.3":
-  version "3.7.3"
-  resolved "https://registry.yarnpkg.com/@polkadot/types-known/-/types-known-3.7.3.tgz#40681442231fd4eea795832816b02a76f01a071b"
-  integrity sha512-FkHHCDVL4/gLDJ/vSzq6GEjV7X7BMhEcGEEFwlDOYFDML0wPHCW/HfHi23rg4inStYJ2TAvvt5yrxzj3mxETyg==
+"@polkadot/types-known@4.2.1":
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/@polkadot/types-known/-/types-known-4.2.1.tgz#0f1ccef363359de0370cd5b3cc3e6dfe51a18f38"
+  integrity sha512-/zbvzcCiv6yLhnikVWrN03uJk/3Vuer+sbK8G/pVtLOUhRYdDLOet7VPmRnjH9CGsEGJDQebu0zqW77npg5V2Q==
   dependencies:
-    "@babel/runtime" "^7.12.5"
-    "@polkadot/networks" "^5.5.2"
-    "@polkadot/types" "3.7.3"
-    "@polkadot/util" "^5.5.2"
+    "@babel/runtime" "^7.13.10"
+    "@polkadot/networks" "^6.0.5"
+    "@polkadot/types" "4.2.1"
+    "@polkadot/util" "^6.0.5"
     bn.js "^4.11.9"
 
-"@polkadot/types@3.7.3":
-  version "3.7.3"
-  resolved "https://registry.yarnpkg.com/@polkadot/types/-/types-3.7.3.tgz#83ccccf3fb70fe49ac1c18dea4a7262a1f5a2a04"
-  integrity sha512-6+8oMCqnNb4aLMZGZjisiyzykdMW3HHiRdcMdGT3CFyeNuvJoihF5fhgRROwYx8xG4LgHWuTB+s/pOnThmJ41Q==
-  dependencies:
-    "@babel/runtime" "^7.12.5"
-    "@polkadot/metadata" "3.7.3"
-    "@polkadot/util" "^5.5.2"
-    "@polkadot/util-crypto" "^5.5.2"
-    "@polkadot/x-rxjs" "^5.5.2"
+"@polkadot/types@4.2.1":
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/@polkadot/types/-/types-4.2.1.tgz#7be97d3abda4bb3f9031b43602062ed464596696"
+  integrity sha512-xl8QnbXiJmSm6MUZH/U/ov3ZSXMN+KgNjsTCCzfz2xR5B3eK9ClYcstYYkNSyF12K90Gut9bnNSGZvaCfT2hNQ==
+  dependencies:
+    "@babel/runtime" "^7.13.10"
+    "@polkadot/metadata" "4.2.1"
+    "@polkadot/util" "^6.0.5"
+    "@polkadot/util-crypto" "^6.0.5"
+    "@polkadot/x-rxjs" "^6.0.5"
     "@types/bn.js" "^4.11.6"
     bn.js "^4.11.9"
 
@@ -1871,7 +1878,29 @@
     "@babel/runtime" "^7.11.2"
     color "^3.1.2"
 
-"@polkadot/util-crypto@5.5.2", "@polkadot/util-crypto@^5.2.3", "@polkadot/util-crypto@^5.5.2":
+"@polkadot/util-crypto@6.0.5", "@polkadot/util-crypto@^6.0.5":
+  version "6.0.5"
+  resolved "https://registry.yarnpkg.com/@polkadot/util-crypto/-/util-crypto-6.0.5.tgz#347ea2bf051d34087766cb43004062358cd43800"
+  integrity sha512-NlzmZzJ1vq2bjnQUU0MUocaT9vuIBGTlB/XCrCw94MyYqX19EllkOKLVMgu6o89xhYeP5rmASRQvTx9ZL9EzRw==
+  dependencies:
+    "@babel/runtime" "^7.13.9"
+    "@polkadot/networks" "6.0.5"
+    "@polkadot/util" "6.0.5"
+    "@polkadot/wasm-crypto" "^4.0.2"
+    "@polkadot/x-randomvalues" "6.0.5"
+    base-x "^3.0.8"
+    base64-js "^1.5.1"
+    blakejs "^1.1.0"
+    bn.js "^4.11.9"
+    create-hash "^1.2.0"
+    elliptic "^6.5.4"
+    hash.js "^1.1.7"
+    js-sha3 "^0.8.0"
+    scryptsy "^2.1.0"
+    tweetnacl "^1.0.3"
+    xxhashjs "^0.2.2"
+
+"@polkadot/util-crypto@^5.2.3":
   version "5.5.2"
   resolved "https://registry.yarnpkg.com/@polkadot/util-crypto/-/util-crypto-5.5.2.tgz#b1ff3be3a98dc5eced42ef636f3e50f977aa330d"
   integrity sha512-9QaOTSQ9THysdntwtIRRvu2YE9m6XgMA3KEb0/4s/t37+9/BVVAZOSZE7xXAEDnS2slxE7DDCn4yu1LBMt5sVA==
@@ -1892,7 +1921,7 @@
     tweetnacl "^1.0.3"
     xxhashjs "^0.2.2"
 
-"@polkadot/util@5.5.2", "@polkadot/util@^5.2.3", "@polkadot/util@^5.5.2":
+"@polkadot/util@5.5.2", "@polkadot/util@^5.2.3":
   version "5.5.2"
   resolved "https://registry.yarnpkg.com/@polkadot/util/-/util-5.5.2.tgz#4d47dfd76c9105d8244f089a2fc09b32fbaf8202"
   integrity sha512-S7KLG5x42C7Hc5Jue8aLfbjE/Q9HNoBvwq35Hf3aCduvzX2jqxK1tvYGQ4bKIjoh5uUfVz14nt12jKLpkz15iA==
@@ -1905,6 +1934,19 @@
     camelcase "^5.3.1"
     ip-regex "^4.3.0"
 
+"@polkadot/util@6.0.5", "@polkadot/util@^6.0.5":
+  version "6.0.5"
+  resolved "https://registry.yarnpkg.com/@polkadot/util/-/util-6.0.5.tgz#aa52995d3fe998eed218d26b243832a7a3e2944d"
+  integrity sha512-0EnYdGAXx/Y2MLgCKtlfdKVcURV+Twx+M+auljTeMK8226pR7xMblYuVuO5bxhPWBa1W7+iQloEZ0VRQrIoMDw==
+  dependencies:
+    "@babel/runtime" "^7.13.9"
+    "@polkadot/x-textdecoder" "6.0.5"
+    "@polkadot/x-textencoder" "6.0.5"
+    "@types/bn.js" "^4.11.6"
+    bn.js "^4.11.9"
+    camelcase "^5.3.1"
+    ip-regex "^4.3.0"
+
 "@polkadot/vue-identicon@^0.60.1":
   version "0.60.1"
   resolved "https://registry.yarnpkg.com/@polkadot/vue-identicon/-/vue-identicon-0.60.1.tgz#ec023b1790e97483da65d92d2e5ee42fafd5e644"
@@ -1921,6 +1963,13 @@
   dependencies:
     "@babel/runtime" "^7.12.5"
 
+"@polkadot/wasm-crypto-asmjs@^4.0.2":
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/wasm-crypto-asmjs/-/wasm-crypto-asmjs-4.0.2.tgz#f42c353a64e1243841daf90e4bd54eff01a4e3cf"
+  integrity sha512-hlebqtGvfjg2ZNm4scwBGVHwOwfUhy2yw5RBHmPwkccUif3sIy4SAzstpcVBIVMdAEvo746bPWEInA8zJRcgJA==
+  dependencies:
+    "@babel/runtime" "^7.13.9"
+
 "@polkadot/wasm-crypto-wasm@^3.2.2":
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/@polkadot/wasm-crypto-wasm/-/wasm-crypto-wasm-3.2.2.tgz#44f8713d1db19efe13ea4c598f13a8495b24b49f"
@@ -1928,6 +1977,13 @@
   dependencies:
     "@babel/runtime" "^7.12.5"
 
+"@polkadot/wasm-crypto-wasm@^4.0.2":
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/wasm-crypto-wasm/-/wasm-crypto-wasm-4.0.2.tgz#89f9e0a1e4d076784d4a42bea37fc8b06bdd8bb6"
+  integrity sha512-de/AfNPZ0uDKFWzOZ1rJCtaUbakGN29ks6IRYu6HZTRg7+RtqvE1rIkxabBvYgQVHIesmNwvEA9DlIkS6hYRFQ==
+  dependencies:
+    "@babel/runtime" "^7.13.9"
+
 "@polkadot/wasm-crypto@^3.2.2":
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/@polkadot/wasm-crypto/-/wasm-crypto-3.2.2.tgz#732d36f2dcd4c327696d078ad2efc64b70ca8586"
@@ -1937,17 +1993,26 @@
     "@polkadot/wasm-crypto-asmjs" "^3.2.2"
     "@polkadot/wasm-crypto-wasm" "^3.2.2"
 
-"@polkadot/x-fetch@^5.5.2":
-  version "5.5.2"
-  resolved "https://registry.yarnpkg.com/@polkadot/x-fetch/-/x-fetch-5.5.2.tgz#f2f870527ec5f4f6f6fede3ee7e92081c9d2ec67"
-  integrity sha512-Vxfrd4OEqqmdtdsbU8GKMIygvA5H2O6Ug8tfrmHtjPZvMBWsS8fkov3Lc3cNVjF3VLhepALIPivvV7gY4ddG/Q==
+"@polkadot/wasm-crypto@^4.0.2":
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/@polkadot/wasm-crypto/-/wasm-crypto-4.0.2.tgz#9649057adee8383cc86433d107ba526b718c5a3b"
+  integrity sha512-2h9FuQFkBc+B3TwSapt6LtyPvgtd0Hq9QsHW8g8FrmKBFRiiFKYRpfJKHCk0aCZzuRf9h95bQl/X6IXAIWF2ng==
   dependencies:
-    "@babel/runtime" "^7.12.5"
-    "@polkadot/x-global" "5.5.2"
+    "@babel/runtime" "^7.13.9"
+    "@polkadot/wasm-crypto-asmjs" "^4.0.2"
+    "@polkadot/wasm-crypto-wasm" "^4.0.2"
+
+"@polkadot/x-fetch@^6.0.5":
+  version "6.0.5"
+  resolved "https://registry.yarnpkg.com/@polkadot/x-fetch/-/x-fetch-6.0.5.tgz#b6c90c478f9951ab1f9c835d48869c669c45120e"
+  integrity sha512-LuyIxot8pLnYaYsR1xok7Bjm+s7wxYe27Y66THea6bDL3CrBPQdj74F9i0OIxD1GB+qJqh4mDApiGX3COqssvg==
+  dependencies:
+    "@babel/runtime" "^7.13.9"
+    "@polkadot/x-global" "6.0.5"
     "@types/node-fetch" "^2.5.8"
     node-fetch "^2.6.1"
 
-"@polkadot/x-global@5.5.2", "@polkadot/x-global@^5.5.2":
+"@polkadot/x-global@5.5.2":
   version "5.5.2"
   resolved "https://registry.yarnpkg.com/@polkadot/x-global/-/x-global-5.5.2.tgz#9161e873bcdaeea335ff83160b7896ef505ebae9"
   integrity sha512-xRQgptrthkHDy80KKtM/oHnwqJuXGs+V+GeolSUkXYSfe7vJNocN8qTsh0nO8eI6gaZgDaEXH7PrvyUmEzDsgA==
@@ -1956,6 +2021,15 @@
     "@types/node-fetch" "^2.5.8"
     node-fetch "^2.6.1"
 
+"@polkadot/x-global@6.0.5", "@polkadot/x-global@^6.0.5":
+  version "6.0.5"
+  resolved "https://registry.yarnpkg.com/@polkadot/x-global/-/x-global-6.0.5.tgz#eb2a0980e4c2012f251e7b61832e185f5037ae80"
+  integrity sha512-KjQvICngNdB2Gno0TYJlgjKI0Ia0NPhN1BG6YzcKLO/5ZNzNHkLmowdNb5gprE8uCBnOFXXHwgZAE/nTYya2dg==
+  dependencies:
+    "@babel/runtime" "^7.13.9"
+    "@types/node-fetch" "^2.5.8"
+    node-fetch "^2.6.1"
+
 "@polkadot/x-randomvalues@5.5.2":
   version "5.5.2"
   resolved "https://registry.yarnpkg.com/@polkadot/x-randomvalues/-/x-randomvalues-5.5.2.tgz#7cf50e4a8f75bc79d7c848be22e93936de070dec"
@@ -1964,13 +2038,21 @@
     "@babel/runtime" "^7.12.5"
     "@polkadot/x-global" "5.5.2"
 
-"@polkadot/x-rxjs@^5.5.2":
-  version "5.5.2"
-  resolved "https://registry.yarnpkg.com/@polkadot/x-rxjs/-/x-rxjs-5.5.2.tgz#0d296bdf8aee8c380352d98c755d8ea9e3d4d61a"
-  integrity sha512-RF0F5s+RY4XWAJKI3KZW5c0WnaDUfDA4xspzDJ38iOTtU9yyoxlrvdUBJslnhgN8RfilEEsLDPxH44tDM0xsOQ==
+"@polkadot/x-randomvalues@6.0.5":
+  version "6.0.5"
+  resolved "https://registry.yarnpkg.com/@polkadot/x-randomvalues/-/x-randomvalues-6.0.5.tgz#32aa5e670acf3ab13af281f9c0871c279de24b0a"
+  integrity sha512-MZK6+35vk7hnLW+Jciu5pNwMOkaCRNdsTVfNimzaJpIi6hN27y1X2oD82SRln0X4mKh370eLbvP8i3ylOzWnww==
   dependencies:
-    "@babel/runtime" "^7.12.5"
-    rxjs "^6.6.3"
+    "@babel/runtime" "^7.13.9"
+    "@polkadot/x-global" "6.0.5"
+
+"@polkadot/x-rxjs@^6.0.5":
+  version "6.0.5"
+  resolved "https://registry.yarnpkg.com/@polkadot/x-rxjs/-/x-rxjs-6.0.5.tgz#829b12f225a4252ae16e405fe7876cce390eabd6"
+  integrity sha512-nwMaP69/RzdXbPn8XypIRagMpW46waSraQq4/tGb4h+/Qob+RHxCT68UHKz1gp7kzxhrf85LanE9410A6EYjRw==
+  dependencies:
+    "@babel/runtime" "^7.13.9"
+    rxjs "^6.6.6"
 
 "@polkadot/x-textdecoder@5.5.2":
   version "5.5.2"
@@ -1980,6 +2062,14 @@
     "@babel/runtime" "^7.12.5"
     "@polkadot/x-global" "5.5.2"
 
+"@polkadot/x-textdecoder@6.0.5":
+  version "6.0.5"
+  resolved "https://registry.yarnpkg.com/@polkadot/x-textdecoder/-/x-textdecoder-6.0.5.tgz#919a8991c9e81610a3c4f6bf314331071f2f8345"
+  integrity sha512-Vd2OftcEYxg2jG37lJw5NcZotnOidinN84m1HJszLIQT9vZDnFfN60gobHsuzHaGjEDexe4wqe0PfbgA4MfWIQ==
+  dependencies:
+    "@babel/runtime" "^7.13.9"
+    "@polkadot/x-global" "6.0.5"
+
 "@polkadot/x-textencoder@5.5.2":
   version "5.5.2"
   resolved "https://registry.yarnpkg.com/@polkadot/x-textencoder/-/x-textencoder-5.5.2.tgz#d4a41b40186b8e2b364f91c624c2529ae3d4fc89"
@@ -1988,14 +2078,22 @@
     "@babel/runtime" "^7.12.5"
     "@polkadot/x-global" "5.5.2"
 
-"@polkadot/x-ws@^5.5.2":
-  version "5.5.2"
-  resolved "https://registry.yarnpkg.com/@polkadot/x-ws/-/x-ws-5.5.2.tgz#74a745d742598af9c70eafc4642a0b0a85dd85f8"
-  integrity sha512-vFF6zbmpLAtZHzrHzjpeCAcPggIybDUyKgwiK/+OHITu9FgC6KxkelXGzGu5X/Iq+9aYy7K1J3gXWJvqxwUjnA==
+"@polkadot/x-textencoder@6.0.5":
+  version "6.0.5"
+  resolved "https://registry.yarnpkg.com/@polkadot/x-textencoder/-/x-textencoder-6.0.5.tgz#fc851259de97a98f3417e51807c1f5ebe265fdf0"
+  integrity sha512-wAheP9/kzpfBw5uU/jCnHtd9uN9XzUPYH81aPbx3X026dXNMa4xpOoroCfEuNu2RtFXm0ONuYfpHxvHUsst9lA==
   dependencies:
-    "@babel/runtime" "^7.12.5"
-    "@polkadot/x-global" "5.5.2"
-    "@types/websocket" "^1.0.1"
+    "@babel/runtime" "^7.13.9"
+    "@polkadot/x-global" "6.0.5"
+
+"@polkadot/x-ws@^6.0.5":
+  version "6.0.5"
+  resolved "https://registry.yarnpkg.com/@polkadot/x-ws/-/x-ws-6.0.5.tgz#bafab6004d88d9273478332a3a040bfef3647619"
+  integrity sha512-J2vUfDjWIwEB/FSIXKZxER2flWqRvWcxvAaN+w6dhxJw8BKl+NYKN8QRrlhcDvbk/PWEEtdjthwV3lyOoeGDLA==
+  dependencies:
+    "@babel/runtime" "^7.13.9"
+    "@polkadot/x-global" "6.0.5"
+    "@types/websocket" "^1.0.2"
     websocket "^1.0.33"
 
 "@sindresorhus/is@^4.0.0":
@@ -2250,10 +2348,10 @@
     "@types/webpack-sources" "*"
     source-map "^0.6.0"
 
-"@types/websocket@^1.0.1":
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/@types/websocket/-/websocket-1.0.1.tgz#039272c196c2c0e4868a0d8a1a27bbb86e9e9138"
-  integrity sha512-f5WLMpezwVxCLm1xQe/kdPpQIOmL0TXYx2O15VYfYzc7hTIdxiOoOvez+McSIw3b7z/1zGovew9YSL7+h4h7/Q==
+"@types/websocket@^1.0.2":
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/@types/websocket/-/websocket-1.0.2.tgz#d2855c6a312b7da73ed16ba6781815bf30c6187a"
+  integrity sha512-B5m9aq7cbbD/5/jThEr33nUY8WEfVi6A2YKCTOvw5Ldy7mtsOkqRvGjnzy6g7iMMDsgu7xREuCzqATLDLQVKcQ==
   dependencies:
     "@types/node" "*"
 
@@ -3135,6 +3233,11 @@ base64-js@^1.0.2:
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.1.tgz#58ece8cb75dd07e71ed08c736abc5fac4dbf8df1"
   integrity sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g==
 
+base64-js@^1.5.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.5.1.tgz#1b1b440160a5bf7ad40b650f095963481903930a"
+  integrity sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==
+
 base@^0.11.1:
   version "0.11.2"
   resolved "https://registry.yarnpkg.com/base/-/base-0.11.2.tgz#7bde5ced145b6d551a90db87f83c558b4eb48a8f"
@@ -3299,7 +3402,7 @@ braces@^3.0.1, braces@~3.0.2:
   dependencies:
     fill-range "^7.0.1"
 
-brorand@^1.0.1:
+brorand@^1.0.1, brorand@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
   integrity sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=
@@ -4809,6 +4912,19 @@ elliptic@^6.5.3:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.0"
 
+elliptic@^6.5.4:
+  version "6.5.4"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
+  integrity sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==
+  dependencies:
+    bn.js "^4.11.9"
+    brorand "^1.1.0"
+    hash.js "^1.0.0"
+    hmac-drbg "^1.0.1"
+    inherits "^2.0.4"
+    minimalistic-assert "^1.0.1"
+    minimalistic-crypto-utils "^1.0.1"
+
 emittery@^0.7.1:
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/emittery/-/emittery-0.7.1.tgz#c02375a927a40948c0345cc903072597f5270451"
@@ -6148,7 +6264,7 @@ hex-color-regex@^1.1.0:
   resolved "https://registry.yarnpkg.com/hex-color-regex/-/hex-color-regex-1.1.0.tgz#4c06fccb4602fe2602b3c93df82d7e7dbf1a8a8e"
   integrity sha512-l9sfDFsuqtOqKDsQdqrMRk0U85RZc0RtOR9yPI7mRVOa4FsR/BVnZ0shmQRM96Ji99kYZP/7hn1cedc1+ApsTQ==
 
-hmac-drbg@^1.0.0:
+hmac-drbg@^1.0.0, hmac-drbg@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
   integrity sha1-0nRXAQJabHdabFRXk+1QL8DGSaE=
@@ -10142,13 +10258,20 @@ run-queue@^1.0.0, run-queue@^1.0.3:
   dependencies:
     aproba "^1.1.1"
 
-rxjs@^6.6.0, rxjs@^6.6.3:
+rxjs@^6.6.0:
   version "6.6.3"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.3.tgz#8ca84635c4daa900c0d3967a6ee7ac60271ee552"
   integrity sha512-trsQc+xYYXZ3urjOiJOuCOa5N3jAZ3eiSpQB5hIT8zGlL2QfnHLJ2r7GMkBGuIausdJN1OneaI6gQlsqNHHmZQ==
   dependencies:
     tslib "^1.9.0"
 
+rxjs@^6.6.6:
+  version "6.6.6"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.6.tgz#14d8417aa5a07c5e633995b525e1e3c0dec03b70"
+  integrity sha512-/oTwee4N4iWzAMAL9xdGKjkEHmIwupR3oXbQjCKywF1BeFohswF3vZdogbmEF6pZkOsXTzWkrZszrWpQTByYVg==
+  dependencies:
+    tslib "^1.9.0"
+
 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"