diff --git a/app/app/local.env b/app/app/local.env
index c4ddfb9a80b..f7f890a27e5 100644
--- a/app/app/local.env
+++ b/app/app/local.env
@@ -51,6 +51,7 @@ VIEW_BLOCK_API_KEY=
ETHERSCAN_API_KEY=
FORTMATIC_LIVE_KEY=
FORTMATIC_TEST_KEY=
+XINFIN_API_KEY=
PYPL_CLIENT_ID=
diff --git a/app/app/settings.py b/app/app/settings.py
index 17f1c270584..15b2c2f2182 100644
--- a/app/app/settings.py
+++ b/app/app/settings.py
@@ -60,6 +60,7 @@
FORTMATIC_LIVE_KEY = env('FORTMATIC_LIVE_KEY', default='YOUR-SupEr-SecRet-LiVe-FoRtMaTiC-KeY')
FORTMATIC_TEST_KEY = env('FORTMATIC_TEST_KEY', default='YOUR-SupEr-SecRet-TeSt-FoRtMaTiC-KeY')
PYPL_CLIENT_ID = env('PYPL_CLIENT_ID', default='')
+XINFIN_API_KEY = env('XINFIN_API_KEY', default='')
# Ratelimit
diff --git a/app/assets/v2/images/chains/xinfin.svg b/app/assets/v2/images/chains/xinfin.svg
new file mode 100644
index 00000000000..3512a82dc9a
--- /dev/null
+++ b/app/assets/v2/images/chains/xinfin.svg
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/app/assets/v2/js/lib/xinfin/xdc3.min.js b/app/assets/v2/js/lib/xinfin/xdc3.min.js
new file mode 100644
index 00000000000..eb3fb990e47
--- /dev/null
+++ b/app/assets/v2/js/lib/xinfin/xdc3.min.js
@@ -0,0 +1,58 @@
+!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.xdc3=e():t.xdc3=e()}(window,(function(){return function(t){var e={};function r(n){if(e[n])return e[n].exports;var i=e[n]={i:n,l:!1,exports:{}};return t[n].call(i.exports,i,i.exports,r),i.l=!0,i.exports}return r.m=t,r.c=e,r.d=function(t,e,n){r.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:n})},r.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},r.t=function(t,e){if(1&e&&(t=r(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var i in t)r.d(n,i,function(e){return t[e]}.bind(null,i));return n},r.n=function(t){var e=t&&t.__esModule?function(){return t.default}:function(){return t};return r.d(e,"a",e),e},r.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},r.p="",r(r.s=218)}([function(t,e,r){"use strict";t.exports=function(t){return t&&t.__esModule?t:{default:t}},t.exports.default=t.exports,t.exports.__esModule=!0},function(t,e,r){"use strict";(function(t){
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+ *
+ * @author Feross Aboukhadijeh
+ * @license MIT
+ */
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St=(c+(n=n+Math.imul(h,ht)|0)|0)+((8191&(i=(i=i+Math.imul(h,lt)|0)+Math.imul(l,ht)|0))<<13)|0;c=((o=o+Math.imul(l,lt)|0)+(i>>>13)|0)+(St>>>26)|0,St&=67108863,n=Math.imul(L,D),i=(i=Math.imul(L,z))+Math.imul(F,D)|0,o=Math.imul(F,z),n=n+Math.imul(I,K)|0,i=(i=i+Math.imul(I,W)|0)+Math.imul(U,K)|0,o=o+Math.imul(U,W)|0,n=n+Math.imul(B,Z)|0,i=(i=i+Math.imul(B,G)|0)+Math.imul(P,Z)|0,o=o+Math.imul(P,G)|0,n=n+Math.imul(C,X)|0,i=(i=i+Math.imul(C,Y)|0)+Math.imul(R,X)|0,o=o+Math.imul(R,Y)|0,n=n+Math.imul(x,Q)|0,i=(i=i+Math.imul(x,tt)|0)+Math.imul(E,Q)|0,o=o+Math.imul(E,tt)|0,n=n+Math.imul(M,rt)|0,i=(i=i+Math.imul(M,nt)|0)+Math.imul(S,rt)|0,o=o+Math.imul(S,nt)|0,n=n+Math.imul(w,ot)|0,i=(i=i+Math.imul(w,at)|0)+Math.imul(_,ot)|0,o=o+Math.imul(_,at)|0,n=n+Math.imul(y,ut)|0,i=(i=i+Math.imul(y,ct)|0)+Math.imul(v,ut)|0,o=o+Math.imul(v,ct)|0,n=n+Math.imul(p,ht)|0,i=(i=i+Math.imul(p,lt)|0)+Math.imul(m,ht)|0,o=o+Math.imul(m,lt)|0;var At=(c+(n=n+Math.imul(h,pt)|0)|0)+((8191&(i=(i=i+Math.imul(h,mt)|0)+Math.imul(l,pt)|0))<<13)|0;c=((o=o+Math.imul(l,mt)|0)+(i>>>13)|0)+(At>>>26)|0,At&=67108863,n=Math.imul(L,K),i=(i=Math.imul(L,W))+Math.imul(F,K)|0,o=Math.imul(F,W),n=n+Math.imul(I,Z)|0,i=(i=i+Math.imul(I,G)|0)+Math.imul(U,Z)|0,o=o+Math.imul(U,G)|0,n=n+Math.imul(B,X)|0,i=(i=i+Math.imul(B,Y)|0)+Math.imul(P,X)|0,o=o+Math.imul(P,Y)|0,n=n+Math.imul(C,Q)|0,i=(i=i+Math.imul(C,tt)|0)+Math.imul(R,Q)|0,o=o+Math.imul(R,tt)|0,n=n+Math.imul(x,rt)|0,i=(i=i+Math.imul(x,nt)|0)+Math.imul(E,rt)|0,o=o+Math.imul(E,nt)|0,n=n+Math.imul(M,ot)|0,i=(i=i+Math.imul(M,at)|0)+Math.imul(S,ot)|0,o=o+Math.imul(S,at)|0,n=n+Math.imul(w,ut)|0,i=(i=i+Math.imul(w,ct)|0)+Math.imul(_,ut)|0,o=o+Math.imul(_,ct)|0,n=n+Math.imul(y,ht)|0,i=(i=i+Math.imul(y,lt)|0)+Math.imul(v,ht)|0,o=o+Math.imul(v,lt)|0;var xt=(c+(n=n+Math.imul(p,pt)|0)|0)+((8191&(i=(i=i+Math.imul(p,mt)|0)+Math.imul(m,pt)|0))<<13)|0;c=((o=o+Math.imul(m,mt)|0)+(i>>>13)|0)+(xt>>>26)|0,xt&=67108863,n=Math.imul(L,Z),i=(i=Math.imul(L,G))+Math.imul(F,Z)|0,o=Math.imul(F,G),n=n+Math.imul(I,X)|0,i=(i=i+Math.imul(I,Y)|0)+Math.imul(U,X)|0,o=o+Math.imul(U,Y)|0,n=n+Math.imul(B,Q)|0,i=(i=i+Math.imul(B,tt)|0)+Math.imul(P,Q)|0,o=o+Math.imul(P,tt)|0,n=n+Math.imul(C,rt)|0,i=(i=i+Math.imul(C,nt)|0)+Math.imul(R,rt)|0,o=o+Math.imul(R,nt)|0,n=n+Math.imul(x,ot)|0,i=(i=i+Math.imul(x,at)|0)+Math.imul(E,ot)|0,o=o+Math.imul(E,at)|0,n=n+Math.imul(M,ut)|0,i=(i=i+Math.imul(M,ct)|0)+Math.imul(S,ut)|0,o=o+Math.imul(S,ct)|0,n=n+Math.imul(w,ht)|0,i=(i=i+Math.imul(w,lt)|0)+Math.imul(_,ht)|0,o=o+Math.imul(_,lt)|0;var Et=(c+(n=n+Math.imul(y,pt)|0)|0)+((8191&(i=(i=i+Math.imul(y,mt)|0)+Math.imul(v,pt)|0))<<13)|0;c=((o=o+Math.imul(v,mt)|0)+(i>>>13)|0)+(Et>>>26)|0,Et&=67108863,n=Math.imul(L,X),i=(i=Math.imul(L,Y))+Math.imul(F,X)|0,o=Math.imul(F,Y),n=n+Math.imul(I,Q)|0,i=(i=i+Math.imul(I,tt)|0)+Math.imul(U,Q)|0,o=o+Math.imul(U,tt)|0,n=n+Math.imul(B,rt)|0,i=(i=i+Math.imul(B,nt)|0)+Math.imul(P,rt)|0,o=o+Math.imul(P,nt)|0,n=n+Math.imul(C,ot)|0,i=(i=i+Math.imul(C,at)|0)+Math.imul(R,ot)|0,o=o+Math.imul(R,at)|0,n=n+Math.imul(x,ut)|0,i=(i=i+Math.imul(x,ct)|0)+Math.imul(E,ut)|0,o=o+Math.imul(E,ct)|0,n=n+Math.imul(M,ht)|0,i=(i=i+Math.imul(M,lt)|0)+Math.imul(S,ht)|0,o=o+Math.imul(S,lt)|0;var Ot=(c+(n=n+Math.imul(w,pt)|0)|0)+((8191&(i=(i=i+Math.imul(w,mt)|0)+Math.imul(_,pt)|0))<<13)|0;c=((o=o+Math.imul(_,mt)|0)+(i>>>13)|0)+(Ot>>>26)|0,Ot&=67108863,n=Math.imul(L,Q),i=(i=Math.imul(L,tt))+Math.imul(F,Q)|0,o=Math.imul(F,tt),n=n+Math.imul(I,rt)|0,i=(i=i+Math.imul(I,nt)|0)+Math.imul(U,rt)|0,o=o+Math.imul(U,nt)|0,n=n+Math.imul(B,ot)|0,i=(i=i+Math.imul(B,at)|0)+Math.imul(P,ot)|0,o=o+Math.imul(P,at)|0,n=n+Math.imul(C,ut)|0,i=(i=i+Math.imul(C,ct)|0)+Math.imul(R,ut)|0,o=o+Math.imul(R,ct)|0,n=n+Math.imul(x,ht)|0,i=(i=i+Math.imul(x,lt)|0)+Math.imul(E,ht)|0,o=o+Math.imul(E,lt)|0;var Ct=(c+(n=n+Math.imul(M,pt)|0)|0)+((8191&(i=(i=i+Math.imul(M,mt)|0)+Math.imul(S,pt)|0))<<13)|0;c=((o=o+Math.imul(S,mt)|0)+(i>>>13)|0)+(Ct>>>26)|0,Ct&=67108863,n=Math.imul(L,rt),i=(i=Math.imul(L,nt))+Math.imul(F,rt)|0,o=Math.imul(F,nt),n=n+Math.imul(I,ot)|0,i=(i=i+Math.imul(I,at)|0)+Math.imul(U,ot)|0,o=o+Math.imul(U,at)|0,n=n+Math.imul(B,ut)|0,i=(i=i+Math.imul(B,ct)|0)+Math.imul(P,ut)|0,o=o+Math.imul(P,ct)|0,n=n+Math.imul(C,ht)|0,i=(i=i+Math.imul(C,lt)|0)+Math.imul(R,ht)|0,o=o+Math.imul(R,lt)|0;var Rt=(c+(n=n+Math.imul(x,pt)|0)|0)+((8191&(i=(i=i+Math.imul(x,mt)|0)+Math.imul(E,pt)|0))<<13)|0;c=((o=o+Math.imul(E,mt)|0)+(i>>>13)|0)+(Rt>>>26)|0,Rt&=67108863,n=Math.imul(L,ot),i=(i=Math.imul(L,at))+Math.imul(F,ot)|0,o=Math.imul(F,at),n=n+Math.imul(I,ut)|0,i=(i=i+Math.imul(I,ct)|0)+Math.imul(U,ut)|0,o=o+Math.imul(U,ct)|0,n=n+Math.imul(B,ht)|0,i=(i=i+Math.imul(B,lt)|0)+Math.imul(P,ht)|0,o=o+Math.imul(P,lt)|0;var Tt=(c+(n=n+Math.imul(C,pt)|0)|0)+((8191&(i=(i=i+Math.imul(C,mt)|0)+Math.imul(R,pt)|0))<<13)|0;c=((o=o+Math.imul(R,mt)|0)+(i>>>13)|0)+(Tt>>>26)|0,Tt&=67108863,n=Math.imul(L,ut),i=(i=Math.imul(L,ct))+Math.imul(F,ut)|0,o=Math.imul(F,ct),n=n+Math.imul(I,ht)|0,i=(i=i+Math.imul(I,lt)|0)+Math.imul(U,ht)|0,o=o+Math.imul(U,lt)|0;var Bt=(c+(n=n+Math.imul(B,pt)|0)|0)+((8191&(i=(i=i+Math.imul(B,mt)|0)+Math.imul(P,pt)|0))<<13)|0;c=((o=o+Math.imul(P,mt)|0)+(i>>>13)|0)+(Bt>>>26)|0,Bt&=67108863,n=Math.imul(L,ht),i=(i=Math.imul(L,lt))+Math.imul(F,ht)|0,o=Math.imul(F,lt);var Pt=(c+(n=n+Math.imul(I,pt)|0)|0)+((8191&(i=(i=i+Math.imul(I,mt)|0)+Math.imul(U,pt)|0))<<13)|0;c=((o=o+Math.imul(U,mt)|0)+(i>>>13)|0)+(Pt>>>26)|0,Pt&=67108863;var jt=(c+(n=Math.imul(L,pt))|0)+((8191&(i=(i=Math.imul(L,mt))+Math.imul(F,pt)|0))<<13)|0;return c=((o=Math.imul(F,mt))+(i>>>13)|0)+(jt>>>26)|0,jt&=67108863,u[0]=bt,u[1]=yt,u[2]=vt,u[3]=gt,u[4]=wt,u[5]=_t,u[6]=kt,u[7]=Mt,u[8]=St,u[9]=At,u[10]=xt,u[11]=Et,u[12]=Ot,u[13]=Ct,u[14]=Rt,u[15]=Tt,u[16]=Bt,u[17]=Pt,u[18]=jt,0!==c&&(u[19]=c,r.length++),r};function b(t,e,r){return(new y).mulp(t,e,r)}function y(t,e){this.x=t,this.y=e}Math.imul||(m=p),a.prototype.mulTo=function(t,e){var r=this.length+t.length;return 10===this.length&&10===t.length?m(this,t,e):r<63?p(this,t,e):r<1024?function(t,e,r){r.negative=e.negative^t.negative,r.length=t.length+e.length;for(var n=0,i=0,o=0;o>>26)|0)>>>26,a&=67108863}r.words[o]=s,n=a,a=i}return 0!==n?r.words[o]=n:r.length--,r.strip()}(this,t,e):b(this,t,e)},y.prototype.makeRBT=function(t){for(var e=new Array(t),r=a.prototype._countBits(t)-1,n=0;n>=1;return n},y.prototype.permute=function(t,e,r,n,i,o){for(var a=0;a>>=1)i++;return 1<>>=13,r[2*a+1]=8191&o,o>>>=13;for(a=2*e;a>=26,e+=n/67108864|0,e+=o>>>26,this.words[r]=67108863&o}return 0!==e&&(this.words[r]=e,this.length++),this},a.prototype.muln=function(t){return this.clone().imuln(t)},a.prototype.sqr=function(){return this.mul(this)},a.prototype.isqr=function(){return this.imul(this.clone())},a.prototype.pow=function(t){var e=function(t){for(var e=new Array(t.bitLength()),r=0;r>>i}return e}(t);if(0===e.length)return new a(1);for(var r=this,n=0;n=0);var e,r=t%26,n=(t-r)/26,o=67108863>>>26-r<<26-r;if(0!==r){var a=0;for(e=0;e>>26-r}a&&(this.words[e]=a,this.length++)}if(0!==n){for(e=this.length-1;e>=0;e--)this.words[e+n]=this.words[e];for(e=0;e=0),n=e?(e-e%26)/26:0;var o=t%26,a=Math.min((t-o)/26,this.length),s=67108863^67108863>>>o<a)for(this.length-=a,c=0;c=0&&(0!==f||c>=n);c--){var h=0|this.words[c];this.words[c]=f<<26-o|h>>>o,f=h&s}return u&&0!==f&&(u.words[u.length++]=f),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},a.prototype.ishrn=function(t,e,r){return i(0===this.negative),this.iushrn(t,e,r)},a.prototype.shln=function(t){return this.clone().ishln(t)},a.prototype.ushln=function(t){return this.clone().iushln(t)},a.prototype.shrn=function(t){return this.clone().ishrn(t)},a.prototype.ushrn=function(t){return this.clone().iushrn(t)},a.prototype.testn=function(t){i("number"==typeof t&&t>=0);var e=t%26,r=(t-e)/26,n=1<=0);var e=t%26,r=(t-e)/26;if(i(0===this.negative,"imaskn works only with positive numbers"),this.length<=r)return this;if(0!==e&&r++,this.length=Math.min(r,this.length),0!==e){var n=67108863^67108863>>>e<=67108864;e++)this.words[e]-=67108864,e===this.length-1?this.words[e+1]=1:this.words[e+1]++;return this.length=Math.max(this.length,e+1),this},a.prototype.isubn=function(t){if(i("number"==typeof t),i(t<67108864),t<0)return this.iaddn(-t);if(0!==this.negative)return this.negative=0,this.iaddn(t),this.negative=1,this;if(this.words[0]-=t,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var e=0;e>26)-(u/67108864|0),this.words[n+r]=67108863&o}for(;n>26,this.words[n+r]=67108863&o;if(0===s)return this.strip();for(i(-1===s),s=0,n=0;n>26,this.words[n]=67108863&o;return this.negative=1,this.strip()},a.prototype._wordDiv=function(t,e){var r=(this.length,t.length),n=this.clone(),i=t,o=0|i.words[i.length-1];0!==(r=26-this._countBits(o))&&(i=i.ushln(r),n.iushln(r),o=0|i.words[i.length-1]);var s,u=n.length-i.length;if("mod"!==e){(s=new a(null)).length=u+1,s.words=new Array(s.length);for(var c=0;c=0;h--){var l=67108864*(0|n.words[i.length+h])+(0|n.words[i.length+h-1]);for(l=Math.min(l/o|0,67108863),n._ishlnsubmul(i,l,h);0!==n.negative;)l--,n.negative=0,n._ishlnsubmul(i,1,h),n.isZero()||(n.negative^=1);s&&(s.words[h]=l)}return s&&s.strip(),n.strip(),"div"!==e&&0!==r&&n.iushrn(r),{div:s||null,mod:n}},a.prototype.divmod=function(t,e,r){return i(!t.isZero()),this.isZero()?{div:new a(0),mod:new a(0)}:0!==this.negative&&0===t.negative?(s=this.neg().divmod(t,e),"mod"!==e&&(n=s.div.neg()),"div"!==e&&(o=s.mod.neg(),r&&0!==o.negative&&o.iadd(t)),{div:n,mod:o}):0===this.negative&&0!==t.negative?(s=this.divmod(t.neg(),e),"mod"!==e&&(n=s.div.neg()),{div:n,mod:s.mod}):0!=(this.negative&t.negative)?(s=this.neg().divmod(t.neg(),e),"div"!==e&&(o=s.mod.neg(),r&&0!==o.negative&&o.isub(t)),{div:s.div,mod:o}):t.length>this.length||this.cmp(t)<0?{div:new a(0),mod:this}:1===t.length?"div"===e?{div:this.divn(t.words[0]),mod:null}:"mod"===e?{div:null,mod:new a(this.modn(t.words[0]))}:{div:this.divn(t.words[0]),mod:new a(this.modn(t.words[0]))}:this._wordDiv(t,e);var n,o,s},a.prototype.div=function(t){return this.divmod(t,"div",!1).div},a.prototype.mod=function(t){return this.divmod(t,"mod",!1).mod},a.prototype.umod=function(t){return this.divmod(t,"mod",!0).mod},a.prototype.divRound=function(t){var e=this.divmod(t);if(e.mod.isZero())return e.div;var r=0!==e.div.negative?e.mod.isub(t):e.mod,n=t.ushrn(1),i=t.andln(1),o=r.cmp(n);return o<0||1===i&&0===o?e.div:0!==e.div.negative?e.div.isubn(1):e.div.iaddn(1)},a.prototype.modn=function(t){i(t<=67108863);for(var e=(1<<26)%t,r=0,n=this.length-1;n>=0;n--)r=(e*r+(0|this.words[n]))%t;return r},a.prototype.idivn=function(t){i(t<=67108863);for(var e=0,r=this.length-1;r>=0;r--){var n=(0|this.words[r])+67108864*e;this.words[r]=n/t|0,e=n%t}return this.strip()},a.prototype.divn=function(t){return this.clone().idivn(t)},a.prototype.egcd=function(t){i(0===t.negative),i(!t.isZero());var e=this,r=t.clone();e=0!==e.negative?e.umod(t):e.clone();for(var n=new a(1),o=new a(0),s=new a(0),u=new a(1),c=0;e.isEven()&&r.isEven();)e.iushrn(1),r.iushrn(1),++c;for(var f=r.clone(),h=e.clone();!e.isZero();){for(var l=0,d=1;0==(e.words[0]&d)&&l<26;++l,d<<=1);if(l>0)for(e.iushrn(l);l-- >0;)(n.isOdd()||o.isOdd())&&(n.iadd(f),o.isub(h)),n.iushrn(1),o.iushrn(1);for(var p=0,m=1;0==(r.words[0]&m)&&p<26;++p,m<<=1);if(p>0)for(r.iushrn(p);p-- >0;)(s.isOdd()||u.isOdd())&&(s.iadd(f),u.isub(h)),s.iushrn(1),u.iushrn(1);e.cmp(r)>=0?(e.isub(r),n.isub(s),o.isub(u)):(r.isub(e),s.isub(n),u.isub(o))}return{a:s,b:u,gcd:r.iushln(c)}},a.prototype._invmp=function(t){i(0===t.negative),i(!t.isZero());var e=this,r=t.clone();e=0!==e.negative?e.umod(t):e.clone();for(var n,o=new a(1),s=new a(0),u=r.clone();e.cmpn(1)>0&&r.cmpn(1)>0;){for(var c=0,f=1;0==(e.words[0]&f)&&c<26;++c,f<<=1);if(c>0)for(e.iushrn(c);c-- >0;)o.isOdd()&&o.iadd(u),o.iushrn(1);for(var h=0,l=1;0==(r.words[0]&l)&&h<26;++h,l<<=1);if(h>0)for(r.iushrn(h);h-- >0;)s.isOdd()&&s.iadd(u),s.iushrn(1);e.cmp(r)>=0?(e.isub(r),o.isub(s)):(r.isub(e),s.isub(o))}return(n=0===e.cmpn(1)?o:s).cmpn(0)<0&&n.iadd(t),n},a.prototype.gcd=function(t){if(this.isZero())return t.abs();if(t.isZero())return this.abs();var e=this.clone(),r=t.clone();e.negative=0,r.negative=0;for(var n=0;e.isEven()&&r.isEven();n++)e.iushrn(1),r.iushrn(1);for(;;){for(;e.isEven();)e.iushrn(1);for(;r.isEven();)r.iushrn(1);var i=e.cmp(r);if(i<0){var o=e;e=r,r=o}else if(0===i||0===r.cmpn(1))break;e.isub(r)}return r.iushln(n)},a.prototype.invm=function(t){return this.egcd(t).a.umod(t)},a.prototype.isEven=function(){return 0==(1&this.words[0])},a.prototype.isOdd=function(){return 1==(1&this.words[0])},a.prototype.andln=function(t){return this.words[0]&t},a.prototype.bincn=function(t){i("number"==typeof t);var e=t%26,r=(t-e)/26,n=1<>>26,s&=67108863,this.words[a]=s}return 0!==o&&(this.words[a]=o,this.length++),this},a.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},a.prototype.cmpn=function(t){var e,r=t<0;if(0!==this.negative&&!r)return-1;if(0===this.negative&&r)return 1;if(this.strip(),this.length>1)e=1;else{r&&(t=-t),i(t<=67108863,"Number is too big");var n=0|this.words[0];e=n===t?0:nt.length)return 1;if(this.length=0;r--){var 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Be aware that it might still be mined!"),t.eventEmitter,t.reject)):b-1>=n.transactionBlockTimeout&&(A.unsubscribe(),p=!0,c._fireError(s.TransactionError("Transaction was not mined within "+n.transactionBlockTimeout+" blocks, please make sure your transaction was properly sent. 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n={};this._baseState=n,n.name=r,n.enc=t,n.parent=e||null,n.children=null,n.tag=null,n.args=null,n.reverseArgs=null,n.choice=null,n.optional=!1,n.any=!1,n.obj=!1,n.use=null,n.useDecoder=null,n.key=null,n.default=null,n.explicit=null,n.implicit=null,n.contains=null,n.parent||(n.children=[],this._wrap())}t.exports=f;var h=["enc","parent","children","tag","args","reverseArgs","choice","optional","any","obj","use","alteredUse","key","default","explicit","implicit","contains"];f.prototype.clone=function(){var t=this._baseState,e={};h.forEach((function(r){e[r]=t[r]}));var r=new this.constructor(e.parent);return r._baseState=e,r},f.prototype._wrap=function(){var t=this._baseState;c.forEach((function(e){this[e]=function(){var r=new this.constructor(this);return t.children.push(r),r[e].apply(r,arguments)}}),this)},f.prototype._init=function(t){var e=this._baseState;s(null===e.parent),t.call(this),e.children=e.children.filter((function(t){return 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r=0,n=0;n<4;n++){r<<=4,r|=i[64*n+(t>>>18-6*n&63)]}for(n=0;n<4;n++){r<<=4,r|=i[256+64*n+(e>>>18-6*n&63)]}return r>>>0};var o=[16,25,12,11,3,20,4,15,31,17,9,6,27,14,1,22,30,24,8,18,0,5,29,23,13,19,2,26,10,21,28,7];e.permute=function(t){for(var e=0,r=0;r>>o[r]&1;return e>>>0},e.padSplit=function(t,e,r){for(var n=t.toString(2);n.length>>1];r=o.r28shl(r,s),i=o.r28shl(i,s),o.pc2(r,i,t.keys,a)}},u.prototype._update=function(t,e,r,n){var i=this._desState,a=o.readUInt32BE(t,e),s=o.readUInt32BE(t,e+4);o.ip(a,s,i.tmp,0),a=i.tmp[0],s=i.tmp[1],"encrypt"===this.type?this._encrypt(i,a,s,i.tmp,0):this._decrypt(i,a,s,i.tmp,0),a=i.tmp[0],s=i.tmp[1],o.writeUInt32BE(r,a,n),o.writeUInt32BE(r,s,n+4)},u.prototype._pad=function(t,e){for(var r=t.length-e,n=e;n>>0,a=l}o.rip(s,a,n,i)},u.prototype._decrypt=function(t,e,r,n,i){for(var a=r,s=e,u=t.keys.length-2;u>=0;u-=2){var c=t.keys[u],f=t.keys[u+1];o.expand(a,t.tmp,0),c^=t.tmp[0],f^=t.tmp[1];var h=o.substitute(c,f),l=a;a=(s^o.permute(h))>>>0,s=l}o.rip(a,s,n,i)}},function(t,e,r){"use strict";var n=r(55),i=r(4).Buffer,o=r(191);function a(t){var e=t._cipher.encryptBlockRaw(t._prev);return o(t._prev),e}e.encrypt=function(t,e){var r=Math.ceil(e.length/16),o=t._cache.length;t._cache=i.concat([t._cache,i.allocUnsafe(16*r)]);for(var s=0;st;)r.ishrn(1);if(r.isEven()&&r.iadd(s),r.testn(1)||r.iadd(u),e.cmp(u)){if(!e.cmp(c))for(;r.mod(f).cmp(h);)r.iadd(d)}else for(;r.mod(o).cmp(l);)r.iadd(d);if(b(p=r.shrn(1))&&b(r)&&y(p)&&y(r)&&a.test(p)&&a.test(r))return r}}},function(t,e,r){"use strict";var n=r(7),i=r(97);function o(t){this.rand=t||new i.Rand}t.exports=o,o.create=function(t){return new o(t)},o.prototype._randbelow=function(t){var e=t.bitLength(),r=Math.ceil(e/8);do{var i=new n(this.rand.generate(r))}while(i.cmp(t)>=0);return i},o.prototype._randrange=function(t,e){var r=e.sub(t);return t.add(this._randbelow(r))},o.prototype.test=function(t,e,r){var i=t.bitLength(),o=n.mont(t),a=new 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o=0;"-"===(t=t.toString().replace(/\s+/g,""))[0]&&(o++,this.negative=1),o=0;n-=3)a=t[n]|t[n-1]<<8|t[n-2]<<16,this.words[o]|=a<>>26-s&67108863,(s+=24)>=26&&(s-=26,o++);else if("le"===r)for(n=0,o=0;n>>26-s&67108863,(s+=24)>=26&&(s-=26,o++);return this._strip()},a.prototype._parseHex=function(t,e,r){this.length=Math.ceil((t.length-e)/6),this.words=new Array(this.length);for(var n=0;n=e;n-=2)i=c(t,e,n)<=18?(o-=18,a+=1,this.words[a]|=i>>>26):o+=8;else for(n=(t.length-e)%2==0?e+1:e;n=18?(o-=18,a+=1,this.words[a]|=i>>>26):o+=8;this._strip()},a.prototype._parseBase=function(t,e,r){this.words=[0],this.length=1;for(var n=0,i=1;i<=67108863;i*=e)n++;n--,i=i/e|0;for(var o=t.length-r,a=o%n,s=Math.min(o,o-a)+r,u=0,c=r;c1&&0===this.words[this.length-1];)this.length--;return this._normSign()},a.prototype._normSign=function(){return 1===this.length&&0===this.words[0]&&(this.negative=0),this},"undefined"!=typeof Symbol&&"function"==typeof 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r;if(e=0|e||1,16===(t=t||10)||"hex"===t){r="";for(var n=0,o=0,a=0;a>>24-n&16777215)||a!==this.length-1?d[6-u.length]+u+r:u+r,(n+=2)>=26&&(n-=26,a--)}for(0!==o&&(r=o.toString(16)+r);r.length%e!=0;)r="0"+r;return 0!==this.negative&&(r="-"+r),r}if(t===(0|t)&&t>=2&&t<=36){var c=p[t],f=m[t];r="";var h=this.clone();for(h.negative=0;!h.isZero();){var l=h.modrn(f).toString(t);r=(h=h.idivn(f)).isZero()?l+r:d[c-l.length]+l+r}for(this.isZero()&&(r="0"+r);r.length%e!=0;)r="0"+r;return 0!==this.negative&&(r="-"+r),r}i(!1,"Base should be between 2 and 36")},a.prototype.toNumber=function(){var t=this.words[0];return 2===this.length?t+=67108864*this.words[1]:3===this.length&&1===this.words[2]?t+=4503599627370496+67108864*this.words[1]:this.length>2&&i(!1,"Number can only safely store up to 53 bits"),0!==this.negative?-t:t},a.prototype.toJSON=function(){return this.toString(16,2)},s&&(a.prototype.toBuffer=function(t,e){return this.toArrayLike(s,t,e)}),a.prototype.toArray=function(t,e){return this.toArrayLike(Array,t,e)};function b(t,e,r){r.negative=e.negative^t.negative;var n=t.length+e.length|0;r.length=n,n=n-1|0;var i=0|t.words[0],o=0|e.words[0],a=i*o,s=67108863&a,u=a/67108864|0;r.words[0]=s;for(var c=1;c>>26,h=67108863&u,l=Math.min(c,e.length-1),d=Math.max(0,c-t.length+1);d<=l;d++){var p=c-d|0;f+=(a=(i=0|t.words[p])*(o=0|e.words[d])+h)/67108864|0,h=67108863&a}r.words[c]=0|h,u=0|f}return 0!==u?r.words[c]=0|u:r.length--,r._strip()}a.prototype.toArrayLike=function(t,e,r){this._strip();var n=this.byteLength(),o=r||Math.max(1,n);i(n<=o,"byte array longer than desired length"),i(o>0,"Requested array length <= 0");var a=function(t,e){return t.allocUnsafe?t.allocUnsafe(e):new t(e)}(t,o);return this["_toArrayLike"+("le"===e?"LE":"BE")](a,n),a},a.prototype._toArrayLikeLE=function(t,e){for(var r=0,n=0,i=0,o=0;i>8&255),r>16&255),6===o?(r>24&255),n=0,o=0):(n=a>>>24,o+=2)}if(r=0&&(t[r--]=a>>8&255),r>=0&&(t[r--]=a>>16&255),6===o?(r>=0&&(t[r--]=a>>24&255),n=0,o=0):(n=a>>>24,o+=2)}if(r>=0)for(t[r--]=n;r>=0;)t[r--]=0},Math.clz32?a.prototype._countBits=function(t){return 32-Math.clz32(t)}:a.prototype._countBits=function(t){var e=t,r=0;return e>=4096&&(r+=13,e>>>=13),e>=64&&(r+=7,e>>>=7),e>=8&&(r+=4,e>>>=4),e>=2&&(r+=2,e>>>=2),r+e},a.prototype._zeroBits=function(t){if(0===t)return 26;var e=t,r=0;return 0==(8191&e)&&(r+=13,e>>>=13),0==(127&e)&&(r+=7,e>>>=7),0==(15&e)&&(r+=4,e>>>=4),0==(3&e)&&(r+=2,e>>>=2),0==(1&e)&&r++,r},a.prototype.bitLength=function(){var t=this.words[this.length-1],e=this._countBits(t);return 26*(this.length-1)+e},a.prototype.zeroBits=function(){if(this.isZero())return 0;for(var t=0,e=0;et.length?this.clone().ior(t):t.clone().ior(this)},a.prototype.uor=function(t){return this.length>t.length?this.clone().iuor(t):t.clone().iuor(this)},a.prototype.iuand=function(t){var e;e=this.length>t.length?t:this;for(var r=0;rt.length?this.clone().iand(t):t.clone().iand(this)},a.prototype.uand=function(t){return this.length>t.length?this.clone().iuand(t):t.clone().iuand(this)},a.prototype.iuxor=function(t){var e,r;this.length>t.length?(e=this,r=t):(e=t,r=this);for(var n=0;nt.length?this.clone().ixor(t):t.clone().ixor(this)},a.prototype.uxor=function(t){return this.length>t.length?this.clone().iuxor(t):t.clone().iuxor(this)},a.prototype.inotn=function(t){i("number"==typeof t&&t>=0);var e=0|Math.ceil(t/26),r=t%26;this._expand(e),r>0&&e--;for(var n=0;n0&&(this.words[n]=~this.words[n]&67108863>>26-r),this._strip()},a.prototype.notn=function(t){return this.clone().inotn(t)},a.prototype.setn=function(t,e){i("number"==typeof t&&t>=0);var r=t/26|0,n=t%26;return this._expand(r+1),this.words[r]=e?this.words[r]|1<t.length?(r=this,n=t):(r=t,n=this);for(var i=0,o=0;o>>26;for(;0!==i&&o>>26;if(this.length=r.length,0!==i)this.words[this.length]=i,this.length++;else if(r!==this)for(;o