https://www.openmesh.network/xnode/_next/static/chunks/7250-e8551287cc1be122.js

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1if(!r.eql(u,r.ONE))throw Error("invZ was invalid");return{x:f,y:s}}),a=P(t=>{if(t.is0()){if(e.allowInfinityPoint&&!r.is0(t.py))return;throw Error("bad point: ZERO")}let{x:n,y:i}=t.toAffine();if(!r.isValid(n)||!r.isValid(i))throw Error("bad point: x or y not FE");let o=r.sqr(i),f=l(n);if(!r.eql(o,f))throw Error("bad point: equation left != right");if(!t.isTorsionFree())throw Error("bad point: not in prime-order subgroup");return!0});class d{constructor(t,e,n){if(this.px=t,this.py=e,this.pz=n,null==t||!r.isValid(t))throw Error("x required");if(null==e||!r.isValid(e))throw Error("y required");if(null==n||!r.isValid(n))throw Error("z required");Object.freeze(this)}static fromAffine(t){let{x:e,y:n}=t||{};if(!t||!r.isValid(e)||!r.isValid(n))throw Error("invalid affine point");if(t instanceof d)throw Error("projective point not allowed");let i=t=>r.eql(t,r.ZERO);return i(e)&&i(n)?d.ZERO:new d(e,n,r.ONE)}get x(){return this.toAffine().x}get y(){return this.toAffine().y}static normalizeZ(t){let e=r.invertBatch(t.map(t=>t.pz));return t.map((t,r)=>t.toAffine(e[r])).map(d.fromAffine)}static fromHex(t){let e=d.fromAffine(o(A("pointHex",t)));return e.assertValidity(),e}static fromPrivateKey(t){return d.BASE.multiply(f(t))}static msm(t,e){return function(t,e,r,n){if(!Array.isArray(r)||!Array.isArray(n)||n.length!==r.length)throw Error("arrays of points and scalars must have equal length");n.forEach((t,r)=>{if(!e.isValid(t))throw Error(`wrong scalar at index ${r}`)}),r.forEach((e,r)=>{if(!(e instanceof t))throw Error(`wrong point at index ${r}`)});let i=$(BigInt(r.length)),o=i>12?i-3:i>4?i-2:i?2:1,l=(1<<o)-1,f=Array(l+1).fill(t.ZERO),s=Math.floor((e.BITS-1)/o)*o,u=t.ZERO;for(let e=s;e>=0;e-=o){f.fill(t.ZERO);for(let t=0;t<n.length;t++){let i=Number(n[t]>>BigInt(e)&BigInt(l));f[i]=f[i].add(r[t])}let i=t.ZERO;for(let e=f.length-1,r=t.ZERO;e>0;e--)r=r.add(f[e]),i=i.add(r);if(u=u.add(i),0!==e)for(let t=0;t<o;t++)u=u.double()}return u}(d,n,t,e)}_setWindowSize(t){p.setWindowSize(this,t)}assertValidity(){a(this)}hasEvenY(){let{y:t}=this.toAffine();if(r.isOdd)return!r.isOdd(t);throw Error("Field doesn't support isOdd")}equals(t){s(t);let{px:e,py:n,pz:i}=this,{px:o,py:l,pz:f}=t,u=r.eql(r.mul(e,f),r.mul(o,i)),a=r.eql(r.mul(n,f),r.mul(l,i));return u&&a}negate(){return new d(this.px,r.neg(this.py),this.pz)}double(){let{a:t,b:n}=e,i=r.mul(n,td),{px:o,py:l,pz:f}=this,s=r.ZERO,u=r.ZERO,a=r.ZERO,h=r.mul(o,o),c=r.mul(l,l),g=r.mul(f,f),p=r.mul(o,l);

1return p=r.add(p,p),a=r.mul(o,f),a=r.add(a,a),s=r.mul(t,a),u=r.mul(i,g),u=r.add(s,u),s=r.sub(c,u),u=r.add(c,u),u=r.mul(s,u),s=r.mul(p,s),a=r.mul(i,a),g=r.mul(t,g),p=r.sub(h,g),p=r.mul(t,p),p=r.add(p,a),a=r.add(h,h),h=r.add(a,h),h=r.add(h,g),h=r.mul(h,p),u=r.add(u,h),g=r.mul(l,f),g=r.add(g,g),h=r.mul(g,p),s=r.sub(s,h),a=r.mul(g,c),a=r.add(a,a),new d(s,u,a=r.add(a,a))}add(t){s(t);let{px:n,py:i,pz:o}=this,{px:l,py:f,pz:u}=t,a=r.ZERO,h=r.ZERO,c=r.ZERO,g=e.a,p=r.mul(e.b,td),y=r.mul(n,l),w=r.mul(i,f),m=r.mul(o,u),E=r.add(n,i),b=r.add(l,f);E=r.mul(E,b),b=r.add(y,w),E=r.sub(E,b),b=r.add(n,o);let B=r.add(l,u);return b=r.mul(b,B),B=r.add(y,m),b=r.sub(b,B),B=r.add(i,o),a=r.add(f,u),B=r.mul(B,a),a=r.add(w,m),B=r.sub(B,a),c=r.mul(g,b),a=r.mul(p,m),c=r.add(a,c),a=r.sub(w,c),c=r.add(w,c),h=r.mul(a,c),w=r.add(y,y),w=r.add(w,y),m=r.mul(g,m),b=r.mul(p,b),w=r.add(w,m),m=r.sub(y,m),m=r.mul(g,m),b=r.add(b,m),y=r.mul(w,b),h=r.add(h,y),y=r.mul(B,b),a=r.mul(E,a),a=r.sub(a,y),y=r.mul(E,w),c=r.mul(B,c),new d(a,h,c=r.add(c,y))}subtract(t){return this.add(t.negate())}is0(){return this.equals(d.ZERO)}wNAF(t){return p.wNAFCached(this,t,d.normalizeZ)}multiplyUnsafe(t){N("scalar",t,tu,e.n);let n=d.ZERO;if(t===tu)return n;if(t===ta)return this;let{endo:i}=e;if(!i)return p.unsafeLadder(this,t);let{k1neg:o,k1:l,k2neg:f,k2:s}=i.splitScalar(t),u=n,a=n,h=this;for(;l>tu||s>tu;)l&ta&&(u=u.add(h)),s&ta&&(a=a.add(h)),h=h.double(),l>>=ta,s>>=ta;return o&&(u=u.negate()),f&&(a=a.negate()),a=new d(r.mul(a.px,i.beta),a.py,a.pz),u.add(a)}multiply(t){let n,i;let{endo:o,n:l}=e;if(N("scalar",t,ta,l),o){let{k1neg:e,k1:l,k2neg:f,k2:s}=o.splitScalar(t),{p:u,f:a}=this.wNAF(l),{p:h,f:c}=this.wNAF(s);u=p.constTimeNegate(e,u),h=p.constTimeNegate(f,h),h=new d(r.mul(h.px,o.beta),h.py,h.pz),n=u.add(h),i=a.add(c)}else{let{p:e,f:r}=this.wNAF(t);n=e,i=r}return d.normalizeZ([n,i])[0]}multiplyAndAddUnsafe(t,e,r){let n=d.BASE,i=(t,e)=>e!==tu&&e!==ta&&t.equals(n)?t.multiply(e):t.multiplyUnsafe(e),o=i(this,e).add(i(t,r));return o.is0()?void 0:o}toAffine(t){return u(this,t)}isTorsionFree(){let{h:t,isTorsionFree:r}=e;if(t===ta)return!0;if(r)return r(d,this);throw Error("isTorsionFree() has not been declared for the elliptic curve")}clearCofactor(){let{h:t,clearCofactor:r}=e;return t===ta?this:r?r(d,this):this.multiplyUnsafe(e.h)}toRawBytes(t=!0){return g("isCompressed",t),this.assertValidity(),i(d,this,t)}toHex(t=!0){return g("isCompressed",t),y(this.toRawBytes(t))}}d.BASE=new d(e.Gx,e.Gy,r.ONE),d.ZERO=new d(r.ZERO,r.ONE,r.ZERO);let c=e.nBitLength,p=function(t,e){let r=(t,e)=>{let r=e.negate();return t?r:e},n=t=>{if(!Number.isSafeInteger(t)||t<=0||t>e)throw Error(`Wrong window size=${t}, should be [1..${e}]`)},i=t=>(n(t),{windows:Math.ceil(e/t)+1,windowSize:2**(t-1)});return{constTimeNegate:r,unsafeLadder(e,r){let n=t.ZERO,i=e;for(;r>tt;)r&te&&(n=n.add(i)),i=i.double(),r>>=te;return n},precomputeWindow(t,e){let{windows:r,windowSize:n}=i(e),o=[],l=t,f=l;for(let t=0;t<r;t++){f=l,o.push(f);for(let t=1;t<n;t++)f=f.add(l),o.push(f);l=f.double()}return o},wNAF(e,n,o){let{windows:l,windowSize:f}=i(e),s=t.ZERO,u=t.BASE,a=BigInt(2**e-1),d=2**e,h=BigInt(e);for(let t=0;t<l;t++){let e=t*f,i=Number(o&a);o>>=h,i>f&&(i-=d,o+=te);let l=e+Math.abs(i)-1,c=t%2!=0,g=i<0;0===i?u=u.add(r(c,n[e])):s=s.add(r(g,n[l]))}return{p:s,f:u}},wNAFCached(t,e,r){let n=tn.get(t)||1,i=tr.get(t);return i||(i=this.precomputeWindow(t,n),1!==n&&tr.set(t,r(i))),this.wNAF(n,i,e)},setWindowSize(t,e){n(e),tn.set(t,e),tr.delete(t)}}}(d,e.endo?Math.ceil(c/2):c);return{CURVE:e,ProjectivePoint:d,normPrivateKeyToScalar:f,weierstrassEquation:l,isWithinCurveOrder:function(t){return R(t,ta,e.n)}}}({...e,toBytes(t,e,n){let i=e.toAffine(),o=r.toBytes(i.x),l=O;return(g("isCompressed",n),n)?l(Uint8Array.from([e.hasEvenY()?2:3]),o):l(Uint8Array.from([4]),o,r.toBytes(i.y))},fromBytes(t){let e=t.length,n=t[0],l=t.subarray(1);if(e===i&&(2===n||3===n)){let t;let e=v(l);if(!R(e,ta,r.ORDER))throw Error("Point is not on curve");let i=u(e);try{t=r.sqrt(i)}catch(t){throw Error("Point is not on curve"+(t instanceof Error?": "+t.message:""))}return(1&n)==1!=((t&ta)===ta)&&(t=r.neg(t)),{x:e,y:t}}if(e===o&&4===n)return{x:r.fromBytes(l.subarray(0,r.BYTES)),y:r.fromBytes(l.subarray(r.BYTES,2*r.BYTES))};throw Error(`Point of length ${e}

1 was invalid. Expected ${i} compressed bytes or ${o} uncompressed bytes`)}}),d=t=>y(I(t,e.nByteLength)),c=(t,e,r)=>v(t.slice(e,r));class p{constructor(t,e,r){this.r=t,this.s=e,this.recovery=r,this.assertValidity()}static fromCompact(t){let r=e.nByteLength;return new p(c(t=A("compactSignature",t,2*r),0,r),c(t,r,2*r))}static fromDER(t){let{r:e,s:r}=ts.toSig(A("DER",t));return new p(e,r)}assertValidity(){N("r",this.r,ta,n),N("s",this.s,ta,n)}addRecoveryBit(t){return new p(this.r,this.s,t)}recoverPublicKey(t){let{r:i,s:o,recovery:s}=this,u=E(A("msgHash",t));if(null==s||![0,1,2,3].includes(s))throw Error("recovery id invalid");let a=2===s||3===s?i+e.n:i;if(a>=r.ORDER)throw Error("recovery id 2 or 3 invalid");let h=(1&s)==0?"02":"03",c=f.fromHex(h+d(a)),g=W(a,n),p=l(-u*g),y=l(o*g),w=f.BASE.multiplyAndAddUnsafe(c,p,y);if(!w)throw Error("point at infinify");return w.assertValidity(),w}hasHighS(){return this.s>n>>ta}normalizeS(){return this.hasHighS()?new p(this.r,l(-this.s),this.recovery):this}toDERRawBytes(){return B(this.toDERHex())}toDERHex(){return ts.hexFromSig({r:this.r,s:this.s})}toCompactRawBytes(){return B(this.toCompactHex())}toCompactHex(){return d(this.r)+d(this.s)}}function w(t){let e=h(t),r="string"==typeof t,n=(e||r)&&t.length;return e?n===i||n===o:r?n===2*i||n===2*o:t instanceof f}let m=e.bits2int||function(t){let r=v(t),n=8*t.length-e.nBitLength;return n>0?r>>BigInt(n):r},E=e.bits2int_modN||function(t){return l(m(t))},b=H(e.nBitLength);function q(t){return N(`num < 2^${e.nBitLength}`,t,tu,b),I(t,e.nByteLength)}let z={lowS:e.lowS,prehash:!1},L={lowS:e.lowS,prehash:!1};return f.BASE._setWindowSize(8),{CURVE:e,getPublicKey:function(t,e=!0){return f.fromPrivateKey(t).toRawBytes(e)},getSharedSecret:function(t,e,r=!0){if(w(t))throw Error("first arg must be private key");if(!w(e))throw Error("second arg must be public key");return f.fromHex(e).multiply(s(t)).toRawBytes(r)},sign:function(t,i,o=z){let{seed:u,k2sig:d}=function(t,i,o=z){if(["recovered","canonical"].some(t=>t in o))throw Error("sign() legacy options not supported");let{hash:u,randomBytes:d}=e,{lowS:h,prehash:c,extraEntropy:g}=o;null==h&&(h=!0),t=A("msgHash",t),to(o),c&&(t=A("prehashed msgHash",u(t)));let y=E(t),w=s(i),b=[q(w),q(y)];if(null!=g&&!1!==g){let t=!0===g?d(r.BYTES):g;b.push(A("extraEntropy",t))}return{seed:O(...b),k2sig:function(t){let e=m(t);if(!a(e))return;let r=W(e,n),i=f.BASE.multiply(e).toAffine(),o=l(i.x);if(o===tu)return;let s=l(r*l(y+o*w));if(s===tu)return;let u=(i.x===o?0:2)|Number(i.y&ta),d=s;if(h&&s>n>>ta)d=s>n>>ta?l(-s):s,u^=1;return new p(o,d,u)}}}(t,i,o);return _(e.hash.outputLen,e.nByteLength,e.hmac)(u,d)},verify:function(t,r,i,o=L){let s,u;if(r=A("msgHash",r),i=A("publicKey",i),"strict"in o)throw Error("options.strict was renamed to lowS");to(o);let{lowS:a,prehash:d}=o;try{if("string"==typeof t||h(t))try{u=p.fromDER(t)}catch(e){if(!(e instanceof ts.Err))throw e;u=p.fromCompact(t)}else if("object"==typeof t&&"bigint"==typeof t.r&&"bigint"==typeof t.s){let{r:e,s:r}=t;u=new p(e,r)}else throw Error("PARSE");s=f.fromHex(i)}catch(t){if("PARSE"===t.message)throw Error("signature must be Signature instance, Uint8Array or hex string");return!1}if(a&&u.hasHighS())return!1;d&&(r=e.hash(r));let{r:c,s:g}=u,y=E(r),w=W(g,n),m=l(y*w),b=l(c*w),B=f.BASE.multiplyAndAddUnsafe(s,m,b)?.toAffine();return!!B&&l(B.x)===c},ProjectivePoint:f,Signature:p,utils:{isValidPrivateKey(t){try{return s(t),!0}catch(t){return!1}},normPrivateKeyToScalar:s,randomPrivateKey:()=>{let t=X(e.n);return function(t,e,r=!1){let n=t.length,i=J(e),o=X(e);if(n<16||n<o||n>1024)throw Error(`expected ${o}-1024 bytes of input, got ${n}`);let l=D(r?v(t):x(t),e-T)+T;return r?S(l,i):I(l,i)}(e.randomBytes(t),e.n)},precompute:(t=8,e=f.BASE)=>(e._setWindowSize(t),e.multiply(BigInt(3)),e)}}})({...t,hash:e,hmac:(t,...r)=>s(e,t,(0,l.eV)(...r)),randomBytes:l.O6});return Object.freeze({...r(e),create:r})}({a:BigInt(0),b:BigInt(7),Fp:tw,n:tc,Gx:BigInt("55066263022277343669578718895168534326250603453777594175500187360389116729240"),Gy:BigInt("32670510020758816978083085130507043184471273380659243275938904335757337482424"),h:BigInt(1),lowS:!0,endo:{beta:BigInt("0x7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee"),splitScalar:t=>{let e=BigInt("0x3086d221a7d46bcde86c90e49284eb15"),r=-tg*BigInt("0xe4437ed6010e88286f547fa90abfe4c3"),n=BigInt("0x114ca50f7a8e2f3f657c1108d9d44cfd8"),i=BigInt("0x100000000000000000000000000000000"),o=ty(e*t,tc),l=ty(-r*t,tc),f=D(t-o*e-l*n,tc),s=D(-o*r-l*e,tc),u=f>i,a=s>i;if(u&&(f=tc-f),a&&(s=tc-s),f>i||s>i)throw Error("splitScalar: Endomorphism failed, k="+t);return{k1neg:u,k1:f,k2neg:a,k2:s}}}},i.JQ);BigInt(0),tm.ProjectivePoint}}]);