blindSigJS.js

/*! For license information please see main.js.LICENSE.txt */
var blindSigJS;
(()=>{var t,e,r={856:()=>{}},n={};function i(t){var e=n[t];if(void 0!==e)return e.exports;var o=n[t]={exports:{}};return r[t](o,o.exports,i),o.exports}e=Object.getPrototypeOf?t=>Object.getPrototypeOf(t):t=>t.__proto__,i.t=function(r,n){if(1&n&&(r=this(r)),8&n)return r;if("object"==typeof r&&r){if(4&n&&r.__esModule)return r;if(16&n&&"function"==typeof r.then)return r}var o=Object.create(null);i.r(o);var a={};t=t||[null,e({}),e([]),e(e)];for(var s=2&n&&r;"object"==typeof s&&!~t.indexOf(s);s=e(s))Object.getOwnPropertyNames(s).forEach((t=>a[t]=()=>r[t]));return a.default=()=>r,i.d(o,a),o},i.d=(t,e)=>{for(var r in e)i.o(e,r)&&!i.o(t,r)&&Object.defineProperty(t,r,{enumerable:!0,get:e[r]})},i.o=(t,e)=>Object.prototype.hasOwnProperty.call(t,e),i.r=t=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},(()=>{"use strict";var t=i(856),e=i.t(t,2);const r=BigInt(0),n=BigInt(1),o=BigInt(2),a=BigInt(3),s=BigInt(8),f=Object.freeze({a:r,b:BigInt(7),P:BigInt("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f"),n:BigInt("0xfffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141"),h:n,Gx:BigInt("55066263022277343669578718895168534326250603453777594175500187360389116729240"),Gy:BigInt("32670510020758816978083085130507043184471273380659243275938904335757337482424"),beta:BigInt("0x7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee")}),c=(t,e)=>(t+e/o)/e,u={beta:BigInt("0x7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee"),splitScalar(t){const{n:e}=f,r=BigInt("0x3086d221a7d46bcde86c90e49284eb15"),i=-n*BigInt("0xe4437ed6010e88286f547fa90abfe4c3"),o=BigInt("0x114ca50f7a8e2f3f657c1108d9d44cfd8"),a=r,s=BigInt("0x100000000000000000000000000000000"),u=c(a*t,e),l=c(-i*t,e);let h=z(t-u*r-l*o,e),d=z(-u*i-l*a,e);const y=h>s,p=d>s;if(y&&(h=e-h),p&&(d=e-d),h>s||d>s)throw new Error("splitScalarEndo: Endomorphism failed, k="+t);return{k1neg:y,k1:h,k2neg:p,k2:d}}};function l(t){const{a:e,b:r}=f,n=z(t*t),i=z(n*t);return z(i+e*t+r)}const h=f.a===r;class d extends Error{constructor(t){super(t)}}function y(t){if(!(t instanceof p))throw new TypeError("JacobianPoint expected")}class p{constructor(t,e,r){this.x=t,this.y=e,this.z=r}static fromAffine(t){if(!(t instanceof b))throw new TypeError("JacobianPoint#fromAffine: expected Point");return t.equals(b.ZERO)?p.ZERO:new p(t.x,t.y,n)}static toAffineBatch(t){const e=function(t,e=f.P){const i=new Array(t.length),o=$(t.reduce(((t,n,o)=>n===r?t:(i[o]=t,z(t*n,e))),n),e);return t.reduceRight(((t,n,o)=>n===r?t:(i[o]=z(t*i[o],e),z(t*n,e))),o),i}(t.map((t=>t.z)));return t.map(((t,r)=>t.toAffine(e[r])))}static normalizeZ(t){return p.toAffineBatch(t).map(p.fromAffine)}equals(t){y(t);const{x:e,y:r,z:n}=this,{x:i,y:o,z:a}=t,s=z(n*n),f=z(a*a),c=z(e*f),u=z(i*s),l=z(z(r*a)*f),h=z(z(o*n)*s);return c===u&&l===h}negate(){return new p(this.x,z(-this.y),this.z)}double(){const{x:t,y:e,z:r}=this,n=z(t*t),i=z(e*e),f=z(i*i),c=t+i,u=z(o*(z(c*c)-n-f)),l=z(a*n),h=z(l*l),d=z(h-o*u),y=z(l*(u-d)-s*f),w=z(o*e*r);return new p(d,y,w)}add(t){y(t);const{x:e,y:n,z:i}=this,{x:a,y:s,z:f}=t;if(a===r||s===r)return this;if(e===r||n===r)return t;const c=z(i*i),u=z(f*f),l=z(e*u),h=z(a*c),d=z(z(n*f)*u),w=z(z(s*i)*c),g=z(h-l),b=z(w-d);if(g===r)return b===r?this.double():p.ZERO;const m=z(g*g),v=z(g*m),x=z(l*m),E=z(b*b-v-o*x),A=z(b*(x-E)-d*v),B=z(i*f*g);return new p(E,A,B)}subtract(t){return this.add(t.negate())}multiplyUnsafe(t){const e=p.ZERO;if("bigint"==typeof t&&t===r)return e;let i=O(t);if(i===n)return this;if(!h){let t=e,o=this;for(;i>r;)i&n&&(t=t.add(o)),o=o.double(),i>>=n;return t}let{k1neg:o,k1:a,k2neg:s,k2:f}=u.splitScalar(i),c=e,l=e,d=this;for(;a>r||f>r;)a&n&&(c=c.add(d)),f&n&&(l=l.add(d)),d=d.double(),a>>=n,f>>=n;return o&&(c=c.negate()),s&&(l=l.negate()),l=new p(z(l.x*u.beta),l.y,l.z),c.add(l)}precomputeWindow(t){const e=h?128/t+1:256/t+1,r=[];let n=this,i=n;for(let o=0;o<e;o++){i=n,r.push(i);for(let e=1;e<2**(t-1);e++)i=i.add(n),r.push(i);n=i.double()}return r}wNAF(t,e){!e&&this.equals(p.BASE)&&(e=b.BASE);const r=e&&e._WINDOW_SIZE||1;if(256%r)throw new Error("Point#wNAF: Invalid precomputation window, must be power of 2");let i=e&&g.get(e);i||(i=this.precomputeWindow(r),e&&1!==r&&(i=p.normalizeZ(i),g.set(e,i)));let o=p.ZERO,a=p.BASE;const s=1+(h?128/r:256/r),f=2**(r-1),c=BigInt(2**r-1),u=2**r,l=BigInt(r);for(let e=0;e<s;e++){const r=e*f;let s=Number(t&c);t>>=l,s>f&&(s-=u,t+=n);const h=r,d=r+Math.abs(s)-1,y=e%2!=0,p=s<0;0===s?a=a.add(w(y,i[h])):o=o.add(w(p,i[d]))}return{p:o,f:a}}multiply(t,e){let r,n,i=O(t);if(h){const{k1neg:t,k1:o,k2neg:a,k2:s}=u.splitScalar(i);let{p:f,f:c}=this.wNAF(o,e),{p:l,f:h}=this.wNAF(s,e);f=w(t,f),l=w(a,l),l=new p(z(l.x*u.beta),l.y,l.z),r=f.add(l),n=c.add(h)}else{const{p:t,f:o}=this.wNAF(i,e);r=t,n=o}return p.normalizeZ([r,n])[0]}toAffine(t){const{x:e,y:r,z:i}=this,o=this.equals(p.ZERO);null==t&&(t=o?s:$(i));const a=t,f=z(a*a),c=z(f*a),u=z(e*f),l=z(r*c),h=z(i*a);if(o)return b.ZERO;if(h!==n)throw new Error("invZ was invalid");return new b(u,l)}}function w(t,e){const r=e.negate();return t?r:e}p.BASE=new p(f.Gx,f.Gy,n),p.ZERO=new p(r,n,r);const g=new WeakMap;class b{constructor(t,e){this.x=t,this.y=e}_setWindowSize(t){this._WINDOW_SIZE=t,g.delete(this)}hasEvenY(){return this.y%o===r}static fromCompressedHex(t){const e=32===t.length,r=U(e?t:t.subarray(1));if(!j(r))throw new Error("Point is not on curve");let i=function(t){const{P:e}=f,r=BigInt(6),n=BigInt(11),i=BigInt(22),s=BigInt(23),c=BigInt(44),u=BigInt(88),l=t*t*t%e,h=l*l*t%e,d=_(h,a)*h%e,y=_(d,a)*h%e,p=_(y,o)*l%e,w=_(p,n)*p%e,g=_(w,i)*w%e,b=_(g,c)*g%e,m=_(b,u)*b%e,v=_(m,c)*g%e,x=_(v,a)*h%e,E=_(x,s)*w%e,A=_(E,r)*l%e,B=_(A,o);if(B*B%e!==t)throw new Error("Cannot find square root");return B}(l(r));const 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