diff --git a/lib/index.js b/lib/index.js
index 7df0c8b..5eb6dd0 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -8,14 +8,14 @@ var _yargs = _interopRequireDefault(require("yargs"));
 
 var _nodePty = require("node-pty");
 
-var _nknMulticlient = _interopRequireDefault(require("nkn-multiclient"));
-
-var _nknWallet = _interopRequireDefault(require("nkn-wallet"));
+var _nknSdk = _interopRequireDefault(require("nkn-sdk"));
 
 var _crypto = require("crypto");
 
 var _child_process = require("child_process");
 
+var _isomorphicWs = _interopRequireDefault(require("isomorphic-ws"));
+
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
 let argv = _yargs.default.command('$0', 'start nshd').command('addr', 'show addr').option('base-dir', {
@@ -105,7 +105,9 @@ try {
   }
 
   try {
-    wallet = _nknWallet.default.loadJsonWallet(walletJson, password);
+    wallet = _nknSdk.default.Wallet.fromJSON(walletJson, {
+      password
+    });
   } catch (e) {
     console.error('Parse wallet error:', e);
     process.exit(1);
@@ -123,9 +125,11 @@ try {
     console.log('Create password and save to file', passwordFile);
   }
 
-  wallet = _nknWallet.default.newWallet(password);
+  wallet = new _nknSdk.default.Wallet({
+    password
+  });
 
-  _fs.default.writeFileSync(walletFile, wallet.toJSON());
+  _fs.default.writeFileSync(walletFile, JSON.stringify(wallet));
 
   console.log('Create wallet and save to file', walletFile);
 }
@@ -213,7 +217,7 @@ function getAuthorizedUser(src) {
   return null;
 }
 
-const client = (0, _nknMulticlient.default)({
+const client = new _nknSdk.default.MultiClient({
   seed: wallet.getSeed(),
   identifier: identifier
 });
@@ -239,19 +243,16 @@ class Session {
       delete sessions[this.remoteAddr];
     });
 
-    this.flushSession = () => {
+    this.flushSession = async () => {
       if (this.outputBuffer.length > 0) {
-        let res = {
-          stdout: this.outputBuffer
-        };
-        this.outputBuffer = '';
-
         try {
-          this.client.send(this.remoteAddr, JSON.stringify(res), {
-            msgHoldingSeconds: 0
-          }).catch(e => {
-            console.error("Send msg error:", e);
+          let res = {
+            stdout: this.outputBuffer
+          };
+          await this.client.send(this.remoteAddr, JSON.stringify(res), {
+            noReply: true
           });
+          this.outputBuffer = '';
         } catch (e) {
           console.error("Send msg error:", e);
         }
@@ -280,14 +281,13 @@ class Session {
 }
 
 let sessions = {};
-client.on('connect', () => {
+client.onConnect(() => {
   console.log('Listening at', client.addr);
 
-  for (let i = 0, length = client.clients.length; i < length; i++) {
-    let c = client.clients[i];
+  for (let c of Object.values(client.clients)) {
     setInterval(function () {
       try {
-        c.ws && c.ws.ping && c.ws.ping();
+        c.ws && c.ws.readyState === _isomorphicWs.default.OPEN && c.ws.ping && c.ws.ping();
       } catch (e) {
         console.warn('Websocket ping error:', e);
       }
@@ -297,9 +297,7 @@ client.on('connect', () => {
   let lastUpdateTime = new Date();
   setInterval(async function () {
     try {
-      await client.send(client.addr, '', {
-        msgHoldingSeconds: 0
-      });
+      await client.send(client.addr, '');
       lastUpdateTime = new Date();
     } catch (e) {
       console.warn('Multiclient ping error:', e);
@@ -307,15 +305,20 @@ client.on('connect', () => {
       if (new Date().getTime() - lastUpdateTime.getTime() > pingInterval * 3) {
         console.log('Multiclient keepalive timeout, trying to reconnect...');
 
-        for (let i = 0, length = client.clients.length; i < length; i++) {
-          client.clients[i].reconnect();
+        for (let c of Object.values(client.clients)) {
+          c.reconnect();
         }
       }
     }
   }, pingInterval);
 });
-client.on('message', async (src, payload, payloadType, encrypt) => {
-  if (!encrypt) {
+client.onMessage(async ({
+  src,
+  payload,
+  payloadType,
+  isEncrypted
+}) => {
+  if (!isEncrypted) {
     console.log('Received unencrypted msg from', src);
     return false;
   }
@@ -331,7 +334,7 @@ client.on('message', async (src, payload, payloadType, encrypt) => {
     return false;
   }
 
-  if (payloadType === _nknMulticlient.default.PayloadType.BINARY) {
+  if (payloadType !== _nknSdk.default.pb.payloads.PayloadType.TEXT) {
     console.log('Received msg with wrong payload type from', src);
     return false;
   }
@@ -408,7 +411,7 @@ client.on('message', async (src, payload, payloadType, encrypt) => {
 
         try {
           await client.send(src, JSON.stringify(res), {
-            msgHoldingSeconds: 0
+            noReply: true
           });
         } catch (e) {
           console.error("Send msg error:", e);
diff --git a/package.json b/package.json
index ef34490..b765d8b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nkn-shell-daemon",
-  "version": "1.0.6",
+  "version": "1.0.7",
   "description": "NKN Shell Daemon",
   "main": "nshd.js",
   "bin": {
@@ -28,8 +28,7 @@
   },
   "homepage": "https://nkn.org",
   "dependencies": {
-    "nkn-multiclient": "^0.0.8",
-    "nkn-wallet": "^0.4.7",
+    "nkn-sdk": "^1.1.1",
     "node-pty": "^0.9.0",
     "yargs": "^14.2.0"
   },
diff --git a/src/index.js b/src/index.js
index bb105a5..13f4170 100644
--- a/src/index.js
+++ b/src/index.js
@@ -2,10 +2,10 @@ import fs from 'fs'
 import os from 'os'
 import yargs from 'yargs'
 import { spawn } from 'node-pty'
-import nknClient from 'nkn-multiclient'
-import nknWallet from 'nkn-wallet'
+import nkn from 'nkn-sdk'
 import { randomBytes } from 'crypto'
 import { exec, execSync } from 'child_process'
+import WebSocket from 'isomorphic-ws'
 
 let argv = yargs
   .command('$0', 'start nshd')
@@ -107,7 +107,7 @@ try {
     process.exit(1)
   }
   try {
-    wallet = nknWallet.loadJsonWallet(walletJson, password)
+    wallet = nkn.Wallet.fromJSON(walletJson, { password })
   } catch (e) {
     console.error('Parse wallet error:', e)
     process.exit(1)
@@ -121,8 +121,8 @@ try {
     fs.writeFileSync(passwordFile, password)
     console.log('Create password and save to file', passwordFile)
   }
-  wallet = nknWallet.newWallet(password)
-  fs.writeFileSync(walletFile, wallet.toJSON())
+  wallet = new nkn.Wallet({ password })
+  fs.writeFileSync(walletFile, JSON.stringify(wallet))
   console.log('Create wallet and save to file', walletFile)
 }
 if (showAddr) {
@@ -199,7 +199,7 @@ function getAuthorizedUser(src) {
   return null
 }
 
-const client = nknClient({
+const client = new nkn.MultiClient({
   seed: wallet.getSeed(),
   identifier: identifier,
 })
@@ -227,16 +227,14 @@ class Session {
       delete sessions[this.remoteAddr]
     })
 
-    this.flushSession = () => {
+    this.flushSession = async () => {
       if (this.outputBuffer.length > 0) {
-        let res = {
-          stdout: this.outputBuffer
-        }
-        this.outputBuffer = ''
         try {
-          this.client.send(this.remoteAddr, JSON.stringify(res), { msgHoldingSeconds: 0 }).catch(e => {
-            console.error("Send msg error:", e)
-          });
+          let res = {
+            stdout: this.outputBuffer
+          };
+          await this.client.send(this.remoteAddr, JSON.stringify(res), { noReply: true })
+          this.outputBuffer = ''
         } catch (e) {
           console.error("Send msg error:", e)
         }
@@ -264,14 +262,13 @@ class Session {
 
 let sessions = {}
 
-client.on('connect', () => {
+client.onConnect(() => {
   console.log('Listening at', client.addr)
 
-  for (let i = 0, length = client.clients.length; i < length; i++) {
-    let c = client.clients[i]
+  for (let c of Object.values(client.clients)) {
     setInterval(function () {
       try {
-        c.ws && c.ws.ping && c.ws.ping()
+        c.ws && c.ws.readyState === WebSocket.OPEN && c.ws.ping && c.ws.ping()
       } catch (e) {
         console.warn('Websocket ping error:', e)
       }
@@ -281,22 +278,22 @@ client.on('connect', () => {
   let lastUpdateTime = new Date()
   setInterval(async function () {
     try {
-      await client.send(client.addr, '', { msgHoldingSeconds: 0 })
+      await client.send(client.addr, '')
       lastUpdateTime = new Date()
     } catch (e) {
       console.warn('Multiclient ping error:', e)
       if (new Date().getTime() - lastUpdateTime.getTime() > pingInterval * 3) {
         console.log('Multiclient keepalive timeout, trying to reconnect...')
-        for (let i = 0, length = client.clients.length; i < length; i++) {
-          client.clients[i].reconnect()
+        for (let c of Object.values(client.clients)) {
+          c.reconnect()
         }
       }
     }
   }, pingInterval)
 })
 
-client.on('message', async (src, payload, payloadType, encrypt) => {
-  if (!encrypt) {
+client.onMessage(async ({ src, payload, payloadType, isEncrypted }) => {
+  if (!isEncrypted) {
     console.log('Received unencrypted msg from', src)
     return false
   }
@@ -311,7 +308,7 @@ client.on('message', async (src, payload, payloadType, encrypt) => {
     return false
   }
 
-  if (payloadType === nknClient.PayloadType.BINARY) {
+  if (payloadType !== nkn.pb.payloads.PayloadType.TEXT) {
     console.log('Received msg with wrong payload type from', src)
     return false
   }
@@ -378,7 +375,7 @@ client.on('message', async (src, payload, payloadType, encrypt) => {
           }
         }
         try {
-          await client.send(src, JSON.stringify(res), { msgHoldingSeconds: 0 })
+          await client.send(src, JSON.stringify(res), { noReply: true })
         } catch (e) {
           console.error("Send msg error:", e)
         }
diff --git a/yarn.lock b/yarn.lock
index 61f96cf..13a90e9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -686,6 +686,23 @@
     lodash "^4.17.13"
     to-fast-properties "^2.0.0"
 
+"@nkn/ncp@^1.0.6":
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/@nkn/ncp/-/ncp-1.0.6.tgz#74b6f0a9ea02803a5d0c2a4b48bff6784b409e9a"
+  integrity sha512-qMFNZ9eN9z+lWEonyJ2V60y5mQeUxhUl4KBGiqhgBquY11RObEmWuUZ7GS5+N6AeJ7N1uMQQCFb2m8EKKNAuqw==
+  dependencies:
+    "@nodeguy/channel" "^0.6.6"
+    core-js-pure "^3.6.4"
+    google-protobuf "^3.11.2"
+    heap "^0.2.6"
+
+"@nodeguy/channel@^0.6.6":
+  version "0.6.6"
+  resolved "https://registry.yarnpkg.com/@nodeguy/channel/-/channel-0.6.6.tgz#21e6c6402533f047ef511b838d3ee94813a36bc6"
+  integrity sha512-5azDfNQk/XlZg9NpDw5LI8TQi2yvktPvxaE/4NXS4c941paVVES44Kzwqx3bhAU3hYMfLlhrW0RCGdEGGeZ7dQ==
+  dependencies:
+    setimmediate "1.0.5"
+
 "@types/yargs-parser@*":
   version "13.1.0"
   resolved "https://registry.yarnpkg.com/@types/yargs-parser/-/yargs-parser-13.1.0.tgz#c563aa192f39350a1d18da36c5a8da382bbd8228"
@@ -776,23 +793,17 @@ async-each@^1.0.1:
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.3.tgz#b727dbf87d7651602f06f4d4ac387f47d91b0cbf"
   integrity sha512-z/WhQ5FPySLdvREByI2vZiTWwCnF0moMJ1hK9YQwDTHKh6I7/uSckMetoRGb5UBZPC1z0jlw+n/XCgjeH7y1AQ==
 
-async-limiter@~1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.1.tgz#dd379e94f0db8310b08291f9d64c3209766617fd"
-  integrity sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ==
-
 atob@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
   integrity sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==
 
-axios@>=0.18.1:
-  version "0.19.0"
-  resolved "https://registry.yarnpkg.com/axios/-/axios-0.19.0.tgz#8e09bff3d9122e133f7b8101c8fbdd00ed3d2ab8"
-  integrity sha512-1uvKqKQta3KBxIz14F2v06AEHZ/dIoeKfbTRkK1E5oqjDnuEerLmYTgJB5AiQZHJcljpg1TuRzdjDR06qNk0DQ==
+axios@^0.19.2:
+  version "0.19.2"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-0.19.2.tgz#3ea36c5d8818d0d5f8a8a97a6d36b86cdc00cb27"
+  integrity sha512-fjgm5MvRHLhx+osE2xoekY70AhARk3a6hkN+3Io1jc00jtquGvxYlKlsFUhmUET0V5te6CcZI7lcv2Ym61mjHA==
   dependencies:
     follow-redirects "1.5.10"
-    is-buffer "^2.0.2"
 
 babel-plugin-dynamic-import-node@^2.3.0:
   version "2.3.0"
@@ -806,10 +817,10 @@ balanced-match@^1.0.0:
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
   integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
 
-base-x@3.0.4:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/base-x/-/base-x-3.0.4.tgz#94c1788736da065edb1d68808869e357c977fa77"
-  integrity sha512-UYOadoSIkEI/VrRGSG6qp93rp2WdokiAiNYDfGW5qURAY8GiAQkvMbwNNSDYiVJopqv4gCna7xqf4rrNGp+5AA==
+base-x@^3.0.7:
+  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"
 
@@ -874,10 +885,10 @@ buffer-from@^1.0.0:
   resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
   integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
 
-buffer@^5.2.1:
-  version "5.4.2"
-  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.4.2.tgz#2012872776206182480eccb2c0fba5f672a2efef"
-  integrity sha512-iy9koArjAFCzGnx3ZvNA6Z0clIbbFgbdWQ0mKD3hO0krOrZh8UgA6qMKcZvwLJxS+D6iVR76+5/pV56yMNYTag==
+buffer@^5.4.3:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.5.0.tgz#9c3caa3d623c33dd1c7ef584b89b88bf9c9bc1ce"
+  integrity sha512-9FTEDjLjwoAkEwyMGDjYJQN2gfRgOKBKRfiglhvibGbpeeU/pQn1bJxQqm32OD/AIeEuHxU9roxXxg34Byp/Ww==
   dependencies:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"
@@ -994,11 +1005,6 @@ commondir@^1.0.1:
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
   integrity sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs=
 
-complex.js@2.0.10:
-  version "2.0.10"
-  resolved "https://registry.yarnpkg.com/complex.js/-/complex.js-2.0.10.tgz#afac74e4fb9131e8709f9c300420ce58fa36f18d"
-  integrity sha512-PsT3WqpnTjS2ijoMM8XodCi/BYO04vkS8kBg1YXcqf5KcnKVV6uXUc1eeLHhBksj8i7Vu9iQF2/6ZG9gqI6CPQ==
-
 component-emitter@^1.2.1:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.3.0.tgz#16e4070fba8ae29b679f2215853ee181ab2eabc0"
@@ -1034,6 +1040,11 @@ core-js-compat@^3.1.1:
     browserslist "^4.7.1"
     semver "^6.3.0"
 
+core-js-pure@^3.6.4:
+  version "3.6.5"
+  resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.6.5.tgz#c79e75f5e38dbc85a662d91eea52b8256d53b813"
+  integrity sha512-lacdXOimsiD0QyNf9BC/mxivNJ/ybBGJXQFKzRekp1WTHoVUWsUHEn+2T8GJAzzIhyOuXA+gOxCVN3l+5PLPUA==
+
 core-js@^2.6.5:
   version "2.6.10"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.10.tgz#8a5b8391f8cc7013da703411ce5b585706300d7f"
@@ -1049,18 +1060,10 @@ core-util-is@~1.0.0:
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
   integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
 
-cross-fetch@^2.2.2:
-  version "2.2.3"
-  resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-2.2.3.tgz#e8a0b3c54598136e037f8650f8e823ccdfac198e"
-  integrity sha512-PrWWNH3yL2NYIb/7WF/5vFG3DCQiXDOVf8k3ijatbrtnwNuhMWLC7YF7uqf53tbTFDzHIUD8oITw4Bxt8ST3Nw==
-  dependencies:
-    node-fetch "2.1.2"
-    whatwg-fetch "2.0.4"
-
-crypto-js@3.1.9-1, crypto-js@^3.1.9-1:
-  version "3.1.9-1"
-  resolved "https://registry.yarnpkg.com/crypto-js/-/crypto-js-3.1.9-1.tgz#fda19e761fc077e01ffbfdc6e9fdfc59e8806cd8"
-  integrity sha1-/aGedh/Ad+Af+/3G6f38WeiAbNg=
+crypto-js@^3.1.9-1:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/crypto-js/-/crypto-js-3.3.0.tgz#846dd1cce2f68aacfa156c8578f926a609b7976b"
+  integrity sha512-DIT51nX0dCfKltpRiXV+/TVZq+Qq2NgF4644+K7Ttnla7zEzqc+kjJyiB96BHNyUTBxyjzRcZYpUdZa+QAqi6Q==
 
 debug@=3.1.0:
   version "3.1.0"
@@ -1095,15 +1098,10 @@ decamelize@^1.2.0:
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
   integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
 
-decimal.js@10.0.1:
-  version "10.0.1"
-  resolved "https://registry.yarnpkg.com/decimal.js/-/decimal.js-10.0.1.tgz#d04b16b277f0f9af09671cee225c4882e8857c58"
-  integrity sha512-vklWB5C4Cj423xnaOtsUmAv0/7GqlXIgDv2ZKDyR64OV3OSzGHNx2mk4p/1EKnB5s70k73cIOOEcG9YzF0q4Lw==
-
-decimal.js@9.0.1:
-  version "9.0.1"
-  resolved "https://registry.yarnpkg.com/decimal.js/-/decimal.js-9.0.1.tgz#1cc8b228177da7ab6498c1cc06eb130a290e6e1e"
-  integrity sha512-2h0iKbJwnImBk4TGk7CG1xadoA0g3LDPlQhQzbZ221zvG0p2YVUedbKIPsOZXKZGx6YmZMJKYOalpCMxSdDqTQ==
+decimal.js@^10.2.0:
+  version "10.2.0"
+  resolved "https://registry.yarnpkg.com/decimal.js/-/decimal.js-10.2.0.tgz#39466113a9e036111d02f82489b5fd6b0b5ed231"
+  integrity sha512-vDPw+rDgn3bZe1+F/pyEwb1oMG2XTlRVgAa6B4KccTEpYgF8w6eQllVbQcfIJnZyvzFtFpxnpGtx8dd7DJp/Rw==
 
 decode-uri-component@^0.2.0:
   version "0.2.0"
@@ -1154,12 +1152,12 @@ detect-libc@^1.0.2:
   resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
   integrity sha1-+hN8S9aY7fVc1c0CrFWfkaTEups=
 
-ed2curve@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/ed2curve/-/ed2curve-0.2.1.tgz#22e6aaa3569e3c4dbf4eefa29612ec329e58190c"
-  integrity sha1-Iuaqo1aePE2/Tu+ilhLsMp5YGQw=
+ed2curve@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/ed2curve/-/ed2curve-0.3.0.tgz#322b575152a45305429d546b071823a93129a05d"
+  integrity sha512-8w2fmmq3hv9rCrcI7g9hms2pMunQr1JINfcjwR9tAyZqhtyaMN991lF/ZfHfr5tzZQ8c7y7aBgZbjfbd0fjFwQ==
   dependencies:
-    tweetnacl "0.x.x"
+    tweetnacl "1.x.x"
 
 electron-to-chromium@^1.3.284:
   version "1.3.293"
@@ -1196,21 +1194,6 @@ es-to-primitive@^1.2.0:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
-es6-promise@4.2.4:
-  version "4.2.4"
-  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.4.tgz#dc4221c2b16518760bd8c39a52d8f356fc00ed29"
-  integrity sha512-/NdNZVJg+uZgtm9eS3O6lrOLYmQag2DjdEXuPaHlZ6RuVqgqaVZfgYCepEIKsLqwdQArOPtC3XzRLqGGfT8KQQ==
-
-es6-promise@^4.2.4:
-  version "4.2.8"
-  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.8.tgz#4eb21594c972bc40553d276e510539143db53e0a"
-  integrity sha512-HJDGx5daxeIvxdBxvG2cb9g4tEvwIk3i8+nhX0yGrYmZUzbkdg8QbDevheDB8gd0//uPj4c1EQua8Q+MViT0/w==
-
-escape-latex@1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/escape-latex/-/escape-latex-1.0.3.tgz#1b9085e3e66570faabe21f05655643f64e78717a"
-  integrity sha512-GfKaG/7FOKdIdciylIzgaShBTPjdGQ5LJ2EcKLKXPLpcMO1MvCEVotkhydEShwCINRacZr2r3fk5A1PwZ4e5sA==
-
 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"
@@ -1301,11 +1284,6 @@ for-in@^1.0.2:
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
   integrity sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=
 
-fraction.js@4.0.8:
-  version "4.0.8"
-  resolved "https://registry.yarnpkg.com/fraction.js/-/fraction.js-4.0.8.tgz#e53618112e3b36b348c61a81323173bceb01e418"
-  integrity sha512-8Jx2AkFIFQtFaF8wP7yUIW+lnCgzPbxsholryMZ+oPK6kKjY/nUrvMKtq1+A8aSAeFau7+G/zfO8aGk2Aw1wCA==
-
 fragment-cache@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/fragment-cache/-/fragment-cache-0.2.1.tgz#4290fad27f13e89be7f33799c6bc5a0abfff0d19"
@@ -1392,10 +1370,10 @@ globals@^11.1.0:
   resolved "https://registry.yarnpkg.com/globals/-/globals-11.12.0.tgz#ab8795338868a0babd8525758018c2a7eb95c42e"
   integrity sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA==
 
-google-protobuf@^3.6.1, google-protobuf@^3.7.1:
-  version "3.9.1"
-  resolved "https://registry.yarnpkg.com/google-protobuf/-/google-protobuf-3.9.1.tgz#87e6a16b7fb16405b515a6c6622d5ace45578d86"
-  integrity sha512-tkz7SVwBktFbqFK3teXFUY/VM57+mbUgV9bSD+sZH1ocHJ7uk7BfEWMRdU24dd0ciUDokreA7ghH2fYFIczQdw==
+google-protobuf@^3.11.2:
+  version "3.11.4"
+  resolved "https://registry.yarnpkg.com/google-protobuf/-/google-protobuf-3.11.4.tgz#598ca405a3cfa917a2132994d008b5932ef42014"
+  integrity sha512-lL6b04rDirurUBOgsY2+LalI6Evq8eH5TcNzi7TYQ3BsIWelT0KSOQSBsXuavEkNf+odQU6c0lgz3UsZXeNX9Q==
 
 graceful-fs@^4.1.11:
   version "4.2.2"
@@ -1455,6 +1433,11 @@ has@^1.0.1, has@^1.0.3:
   dependencies:
     function-bind "^1.1.1"
 
+heap@^0.2.6:
+  version "0.2.6"
+  resolved "https://registry.yarnpkg.com/heap/-/heap-0.2.6.tgz#087e1f10b046932fc8594dd9e6d378afc9d1e5ac"
+  integrity sha1-CH4fELBGky/IWU3Z5tN4r8nR5aw=
+
 homedir-polyfill@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/homedir-polyfill/-/homedir-polyfill-1.0.3.tgz#743298cef4e5af3e194161fbadcc2151d3a058e8"
@@ -1532,11 +1515,6 @@ is-buffer@^1.1.5:
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
   integrity sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==
 
-is-buffer@^2.0.2:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-2.0.3.tgz#4ecf3fcf749cbd1e472689e109ac66261a25e725"
-  integrity sha512-U15Q7MXTuZlrbymiz95PJpZxu8IlipAp4dtS3wOdgPXx3mqBnslrWU14kxfHB+Py/+2PVKSr37dMAgM2A4uArw==
-
 is-callable@^1.1.4:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.4.tgz#1e1adf219e1eeb684d691f9d6a05ff0d30a24d75"
@@ -1660,16 +1638,6 @@ is-windows@^1.0.2:
   resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
   integrity sha512-eXK1UInq2bPmjyX6e3VHIzMLobc4J94i4AWn+Hpq3OU5KkrRC96OAcR3PRJ/pGu6m8TRnBHP9dkXQVsT/COVIA==
 
-is@3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/is/-/is-3.2.1.tgz#d0ac2ad55eb7b0bec926a5266f6c662aaa83dca5"
-  integrity sha1-0Kwq1V63sL7JJqUmb2xmKqqD3KU=
-
-is@^3.2.1:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/is/-/is-3.3.0.tgz#61cff6dd3c4193db94a3d62582072b44e5645d79"
-  integrity sha512-nW24QBoPcFGGHJGUwnfpI7Yc5CdqWNdsyHQszVE/z2pKHXzh7FZ5GWhJqSyaQ9wMkQnsTx+kAI8bHlCX4tKdbg==
-
 isarray@1.0.0, isarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
@@ -1692,11 +1660,6 @@ isomorphic-ws@^4.0.1:
   resolved "https://registry.yarnpkg.com/isomorphic-ws/-/isomorphic-ws-4.0.1.tgz#55fd4cd6c5e6491e76dc125938dd863f5cd4f2dc"
   integrity sha512-BhBvN2MBpWTaSHdWRb/bwdZJ1WaehQ2L1KngkCkfLUGF0mAWAT1sQUQacEmQ0jXkFw/czDXPNQSL5u2/Krsz1w==
 
-javascript-natural-sort@0.7.1:
-  version "0.7.1"
-  resolved "https://registry.yarnpkg.com/javascript-natural-sort/-/javascript-natural-sort-0.7.1.tgz#f9e2303d4507f6d74355a73664d1440fb5a0ef59"
-  integrity sha1-+eIwPUUH9tdDVac2ZNFED7Wg71k=
-
 js-levenshtein@^1.1.3:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/js-levenshtein/-/js-levenshtein-1.1.6.tgz#c6cee58eb3550372df8deb85fad5ce66ce01d59d"
@@ -1748,6 +1711,18 @@ kind-of@^6.0.0, kind-of@^6.0.2:
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.2.tgz#01146b36a6218e64e58f3a8d66de5d7fc6f6d051"
   integrity sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==
 
+libsodium-wrappers@^0.7.6:
+  version "0.7.6"
+  resolved "https://registry.yarnpkg.com/libsodium-wrappers/-/libsodium-wrappers-0.7.6.tgz#baed4c16d4bf9610104875ad8a8e164d259d48fb"
+  integrity sha512-OUO2CWW5bHdLr6hkKLHIKI4raEkZrf3QHkhXsJ1yCh6MZ3JDA7jFD3kCATNquuGSG6MjjPHQIQms0y0gBDzjQg==
+  dependencies:
+    libsodium "0.7.6"
+
+libsodium@0.7.6:
+  version "0.7.6"
+  resolved "https://registry.yarnpkg.com/libsodium/-/libsodium-0.7.6.tgz#018b80c5728054817845fbffa554274441bda277"
+  integrity sha512-hPb/04sEuLcTRdWDtd+xH3RXBihpmbPCsKW/Jtf4PsvdyKh+D6z2D2gvp/5BfoxseP+0FCOg66kE+0oGUE/loQ==
+
 locate-path@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-3.0.0.tgz#dbec3b3ab759758071b58fe59fc41871af21400e"
@@ -1788,20 +1763,6 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
-mathjs@^4.4.2:
-  version "4.4.2"
-  resolved "https://registry.yarnpkg.com/mathjs/-/mathjs-4.4.2.tgz#79a5c8ad92a6434e22dbfac13e223a9bd62d6981"
-  integrity sha512-T5zGIbDT/JGmzIu2Bocq4U8gbcmQVCyZaJbBCHKmJkLMQoWuh1SOuFH98doj1JEQwjpKkq3rqdUCuy3vLlBZOA==
-  dependencies:
-    complex.js "2.0.10"
-    decimal.js "9.0.1"
-    escape-latex "1.0.3"
-    fraction.js "4.0.8"
-    javascript-natural-sort "0.7.1"
-    seed-random "2.2.0"
-    tiny-emitter "2.0.2"
-    typed-function "1.0.3"
-
 memory-cache@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/memory-cache/-/memory-cache-0.2.0.tgz#7890b01d52c00c8ebc9d533e1f8eb17e3034871a"
@@ -1873,11 +1834,6 @@ mkdirp@^0.5.0, mkdirp@^0.5.1:
   dependencies:
     minimist "0.0.8"
 
-moment@^2.22.1:
-  version "2.24.0"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.24.0.tgz#0d055d53f5052aa653c9f6eb68bb5d12bf5c2b5b"
-  integrity sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg==
-
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
@@ -1919,46 +1875,28 @@ needle@^2.2.1:
     iconv-lite "^0.4.4"
     sax "^1.2.4"
 
-nkn-client@^0.6.7:
-  version "0.6.7"
-  resolved "https://registry.yarnpkg.com/nkn-client/-/nkn-client-0.6.7.tgz#21e59bb412043a22352774c3426022c6fa13d5aa"
-  integrity sha512-Rfv6GCuO3VV2pnVgl2LV6gEFp8EivRv2Gk6aZhpJ0EsPdHpO6nEOuhzEHJJXYDEPdJVcLTxU/TRuSjdUKp+LQQ==
-  dependencies:
-    buffer "^5.2.1"
-    cross-fetch "^2.2.2"
+nkn-sdk@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/nkn-sdk/-/nkn-sdk-1.1.1.tgz#07012a85b46cacc856073b053db1561c56858b1e"
+  integrity sha512-GgsYtMFBiyLnSbVc4hH5pl9u91SzHRncbphhsAW/Yq+mah0oOlOnze/ImyeQSLw8yzrBBPoXKX84PfS2qkPynw==
+  dependencies:
+    "@nkn/ncp" "^1.0.6"
+    axios "^0.19.2"
+    base-x "^3.0.7"
+    buffer "^5.4.3"
+    core-js-pure "^3.6.4"
     crypto-js "^3.1.9-1"
-    ed2curve "^0.2.1"
-    es6-promise "^4.2.4"
-    google-protobuf "^3.6.1"
-    is "^3.2.1"
+    decimal.js "^10.2.0"
+    ed2curve "^0.3.0"
+    google-protobuf "^3.11.2"
+    heap "^0.2.6"
     isomorphic-ws "^4.0.1"
-    mathjs "^4.4.2"
-    moment "^2.22.1"
-    tweetnacl "^1.0.1"
-    ws "^5.2.0"
-
-nkn-multiclient@^0.0.8:
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/nkn-multiclient/-/nkn-multiclient-0.0.8.tgz#6060f01c268f3984b8e7c1bf1dba19ff4cf78db6"
-  integrity sha512-rykrutCYaRRhh7OgVdgtB+7BcLKIWroHMib7KFIA83gA6eXOmKvjfyPm3l9hw4x9ihoI+FBBj0lqHocT8lPGlA==
-  dependencies:
+    libsodium-wrappers "^0.7.6"
     memory-cache "^0.2.0"
-    nkn-client "^0.6.7"
-
-nkn-wallet@^0.4.7:
-  version "0.4.7"
-  resolved "https://registry.yarnpkg.com/nkn-wallet/-/nkn-wallet-0.4.7.tgz#d209f54135f3dcba8226f22644b7c1e54bbd1516"
-  integrity sha512-b02TULD+qnYULHJ4fXF8SX2N8YGQ2feXvyYgFXFdhlQlujmpVkOV9HleTbyxexNqbggxbpLH/1xZ5M81DFoDxA==
-  dependencies:
-    axios ">=0.18.1"
-    base-x "3.0.4"
-    buffer "^5.2.1"
-    crypto-js "3.1.9-1"
-    decimal.js "10.0.1"
-    es6-promise "4.2.4"
-    google-protobuf "^3.7.1"
-    is "3.2.1"
-    tweetnacl "^1.0.1"
+    pako "^1.0.11"
+    tweetnacl "^1.0.3"
+    webworkify "^1.5.0"
+    ws "^7.2.3"
 
 node-environment-flags@^1.0.5:
   version "1.0.6"
@@ -1968,11 +1906,6 @@ node-environment-flags@^1.0.5:
     object.getownpropertydescriptors "^2.0.3"
     semver "^5.7.0"
 
-node-fetch@2.1.2:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.1.2.tgz#ab884e8e7e57e38a944753cec706f788d1768bb5"
-  integrity sha1-q4hOjn5X44qUR1POxwb3iNF2i7U=
-
 node-modules-regexp@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/node-modules-regexp/-/node-modules-regexp-1.0.0.tgz#8d9dbe28964a4ac5712e9131642107c71e90ec40"
@@ -2165,6 +2098,11 @@ p-try@^2.0.0:
   resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.2.0.tgz#cb2868540e313d61de58fafbe35ce9004d5540e6"
   integrity sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==
 
+pako@^1.0.11:
+  version "1.0.11"
+  resolved "https://registry.yarnpkg.com/pako/-/pako-1.0.11.tgz#6c9599d340d54dfd3946380252a35705a6b992bf"
+  integrity sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw==
+
 parse-passwd@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/parse-passwd/-/parse-passwd-1.0.0.tgz#6d5b934a456993b23d37f40a382d6f1666a8e5c6"
@@ -2393,11 +2331,6 @@ sax@^1.2.4:
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
 
-seed-random@2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/seed-random/-/seed-random-2.2.0.tgz#2a9b19e250a817099231a5b99a4daf80b7fbed54"
-  integrity sha1-KpsZ4lCoFwmSMaW5mk2vgLf77VQ=
-
 semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.6.0, semver@^5.7.0:
   version "5.7.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
@@ -2423,6 +2356,11 @@ set-value@^2.0.0, set-value@^2.0.1:
     is-plain-object "^2.0.3"
     split-string "^3.0.1"
 
+setimmediate@1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.5.tgz#290cbb232e306942d7d7ea9b83732ab7856f8285"
+  integrity sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU=
+
 signal-exit@^3.0.0:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
@@ -2607,11 +2545,6 @@ tar@^4:
     safe-buffer "^5.1.2"
     yallist "^3.0.3"
 
-tiny-emitter@2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/tiny-emitter/-/tiny-emitter-2.0.2.tgz#82d27468aca5ade8e5fd1e6d22b57dd43ebdfb7c"
-  integrity sha512-2NM0auVBGft5tee/OxP4PI3d8WItkDM+fPnaRAVo6xTDI2knbz9eC5ArWGqtGlYqiH3RU5yMpdyTTO7MguC4ow==
-
 to-fast-properties@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-2.0.0.tgz#dc5e698cbd079265bc73e0377681a4e4e83f616e"
@@ -2642,20 +2575,10 @@ to-regex@^3.0.1, to-regex@^3.0.2:
     regex-not "^1.0.2"
     safe-regex "^1.1.0"
 
-tweetnacl@0.x.x:
-  version "0.14.5"
-  resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
-  integrity sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=
-
-tweetnacl@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-1.0.1.tgz#2594d42da73cd036bd0d2a54683dd35a6b55ca17"
-  integrity sha512-kcoMoKTPYnoeS50tzoqjPY3Uv9axeuuFAZY9M/9zFnhoVvRfxz9K29IMPD7jGmt2c8SW7i3gT9WqDl2+nV7p4A==
-
-typed-function@1.0.3:
+tweetnacl@1.x.x, tweetnacl@^1.0.3:
   version "1.0.3"
-  resolved "https://registry.yarnpkg.com/typed-function/-/typed-function-1.0.3.tgz#57026246214b664a5af45ef0a06679f4453bd090"
-  integrity sha512-sVC/1pm70oELDFMdYtFXMFqyawenLoaDiAXA3QvOAwKF/WvFNTSJN23cY2lFNL8iP0kh3T0PPKewrboO8XUVGQ==
+  resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-1.0.3.tgz#ac0af71680458d8a6378d0d0d050ab1407d35596"
+  integrity sha512-6rt+RN7aOi1nGMyC4Xa5DdYiukl2UWCbcJft7YhxReBGQD7OAM8Pbxw6YMo4r2diNEA8FEmu32YOn9rhaiE5yw==
 
 unicode-canonical-property-names-ecmascript@^1.0.4:
   version "1.0.4"
@@ -2725,10 +2648,10 @@ v8flags@^3.1.1:
   dependencies:
     homedir-polyfill "^1.0.1"
 
-whatwg-fetch@2.0.4:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz#dde6a5df315f9d39991aa17621853d720b85566f"
-  integrity sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng==
+webworkify@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/webworkify/-/webworkify-1.5.0.tgz#734ad87a774de6ebdd546e1d3e027da5b8f4a42c"
+  integrity sha512-AMcUeyXAhbACL8S2hqqdqOLqvJ8ylmIbNwUIqQujRSouf4+eUFaXbG6F1Rbu+srlJMmxQWsiU7mOJi0nMBfM1g==
 
 which-module@^2.0.0:
   version "2.0.0"
@@ -2756,12 +2679,10 @@ wrappy@1:
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
   integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
 
-ws@^5.2.0:
-  version "5.2.2"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-5.2.2.tgz#dffef14866b8e8dc9133582514d1befaf96e980f"
-  integrity sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==
-  dependencies:
-    async-limiter "~1.0.0"
+ws@^7.2.3:
+  version "7.2.3"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.2.3.tgz#a5411e1fb04d5ed0efee76d26d5c46d830c39b46"
+  integrity sha512-HTDl9G9hbkNDk98naoR/cHDws7+EyYMOdL1BmjsZXRUjf7d+MficC4B7HLUPlSiho0vg+CWKrGIt/VJBd1xunQ==
 
 y18n@^4.0.0:
   version "4.0.0"