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ZERO")}let{x:t,y:n}=this.toAffine();if(!r.isValid(t)||!r.isValid(n))throw Error("bad point: x or y not FE");let i=r.sqr(n),s=o(t);if(!r.eql(i,s))throw Error("bad point: equation left != right");if(!this.isTorsionFree())throw Error("bad point: not in prime-order subgroup")}hasEvenY(){let{y:t}=this.toAffine();if(r.isOdd)return!r.isOdd(t);throw Error("Field doesn't support isOdd")}equals(t){a(t);let{px:e,py:n,pz:i}=this,{px:o,py:s,pz:f}=t,l=r.eql(r.mul(e,f),r.mul(o,i)),u=r.eql(r.mul(n,f),r.mul(s,i));return l&&u}negate(){return new h(this.px,r.neg(this.py),this.pz)}double(){let{a:t,b:n}=e,i=r.mul(n,tn),{px:o,py:s,pz:f}=this,l=r.ZERO,u=r.ZERO,a=r.ZERO,d=r.mul(o,o),c=r.mul(s,s),p=r.mul(f,f),g=r.mul(o,s);return g=r.add(g,g),a=r.mul(o,f),a=r.add(a,a),l=r.mul(t,a),u=r.mul(i,p),u=r.add(l,u),l=r.sub(c,u),u=r.add(c,u),u=r.mul(l,u),l=r.mul(g,l),a=r.mul(i,a),p=r.mul(t,p),g=r.sub(d,p),g=r.mul(t,g),g=r.add(g,a),a=r.add(d,d),d=r.add(a,d),d=r.add(d,p),d=r.mul(d,g),u=r.add(u,d),p=r.mul(s,f),p=r.add(p,p),d=r.mul(p,g),l=r.sub(l,d),a=r.mul(p,c),a=r.add(a,a),new h(l,u,a=r.add(a,a))}add(t){a(t);let{px:n,py:i,pz:o}=this,{px:s,py:f,pz:l}=t,u=r.ZERO,d=r.ZERO,c=r.ZERO,p=e.a,g=r.mul(e.b,tn),y=r.mul(n,s),m=r.mul(i,f),w=r.mul(o,l),E=r.add(n,i),b=r.add(s,f);E=r.mul(E,b),b=r.add(y,m),E=r.sub(E,b),b=r.add(n,o);let B=r.add(s,l);return b=r.mul(b,B),B=r.add(y,w),b=r.sub(b,B),B=r.add(i,o),u=r.add(f,l),B=r.mul(B,u),u=r.add(m,w),B=r.sub(B,u),c=r.mul(p,b),u=r.mul(g,w),c=r.add(u,c),u=r.sub(m,c),c=r.add(m,c),d=r.mul(u,c),m=r.add(y,y),m=r.add(m,y),w=r.mul(p,w),b=r.mul(g,b),m=r.add(m,w),w=r.sub(y,w),w=r.mul(p,w),b=r.add(b,w),y=r.mul(m,b),d=r.add(d,y),y=r.mul(B,b),u=r.mul(E,u),u=r.sub(u,y),y=r.mul(E,m),c=r.mul(B,c),new h(u,d,c=r.add(c,y))}subtract(t){return this.add(t.negate())}is0(){return this.equals(h.ZERO)}wNAF(t){return c.wNAFCached(this,u,t,t=>{let e=r.invertBatch(t.map(t=>t.pz));return t.map((t,r)=>t.toAffine(e[r])).map(h.fromAffine)})}multiplyUnsafe(t){let n=h.ZERO;if(t===te)return n;if(f(t),t===tr)return this;let{endo:i}=e;if(!i)return c.unsafeLadder(this,t);let{k1neg:o,k1:s,k2neg:l,k2:u}=i.splitScalar(t),a=n,d=n,p=this;for(;s>te||u>te;)s&tr&&(a=a.add(p)),u&tr&&(d=d.add(p)),p=p.double(),s>>=tr,u>>=tr;return o&&(a=a.negate()),l&&(d=d.negate()),d=new h(r.mul(d.px,i.beta),d.py,d.pz),a.add(d)}multiply(t){let n,i;f(t);let{endo:o}=e;if(o){let{k1neg:e,k1:s,k2neg:f,k2:l}=o.splitScalar(t),{p:u,f:a}=this.wNAF(s),{p:d,f:p}=this.wNAF(l);u=c.constTimeNegate(e,u),d=c.constTimeNegate(f,d),d=new h(r.mul(d.px,o.beta),d.py,d.pz),n=u.add(d),i=a.add(p)}else{let{p:e,f:r}=this.wNAF(t);n=e,i=r}return h.normalizeZ([n,i])[0]}multiplyAndAddUnsafe(t,e,r){let n=h.BASE,i=(t,e)=>e!==te&&e!==tr&&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){let{px:e,py:n,pz:i}=this,o=this.is0();null==t&&(t=o?r.ONE:r.inv(i));let s=r.mul(e,t),f=r.mul(n,t),l=r.mul(i,t);if(o)return{x:r.ZERO,y:r.ZERO};if(!r.eql(l,r.ONE))throw Error("invZ was invalid");return{x:s,y:f}}isTorsionFree(){let{h:t,isTorsionFree:r}=e;if(t===tr)return!0;if(r)return r(h,this);throw Error("isTorsionFree() has not been declared for the elliptic curve")}clearCofactor(){let{h:t,clearCofactor:r}=e;return t===tr?this:r?r(h,this):this.multiplyUnsafe(e.h)}toRawBytes(t=!0){return this.assertValidity(),n(h,this,t)}toHex(t=!0){return w(this.toRawBytes(t))}}h.BASE=new h(e.Gx,e.Gy,r.ONE),h.ZERO=new h(r.ZERO,r.ONE,r.ZERO);let d=e.nBitLength,c=function(t,e){let r=(t,e)=>{let r=e.negate();return t?r:e},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>M;)r&W&&(n=n.add(i)),i=i.double(),r>>=W;return n},precomputeWindow(t,e){let{windows:r,windowSize:i}=n(e),o=[],s=t,f=s;for(let t=0;t<r;t++){f=s,o.push(f);for(let t=1;t<i;t++)f=f.add(s),o.push(f);s=f.double()}return o},wNAF(e,i,o){let{windows:s,windowSize:f}=n(e),l=t.ZERO,u=t.BASE,a=BigInt(2**e-1),h=2**e,d=BigInt(e);for(let t=0;t<s;t++){let e=t*f,n=Number(o&a);o>>=d,n>f&&(n-=h,o+=W);let s=e+Math.abs(n)-1,c=t%2!=0,p=n<0;0===n?u=u.add(r(c,i[e])):l=l.add(r(p,i[s]))}return{p:l,f:u}},wNAFCached(t,e,r,n){let i=t._WINDOW_SIZE||1,o=e.get(t);return o||(o=this.precomputeWindow(t,i),1!==i&&e.set(t,n(o))),this.wNAF(i,o,r)}}}(h,e.endo?Math.ceil(d/2):d);return{CURVE:e,ProjectivePoint:h,normPrivateKeyToScalar:l,weierstrassEquation:o,isWithinCurveOrder:s}}({...e,toBytes(t,e,n){let i=e.toAffine(),o=r.toBytes(i.x),s=S;return n?s(Uint8Array.from([e.hasEvenY()?2:3]),o):s(Uint8Array.from([4]),o,r.toBytes(i.y))},fromBytes(t){let e=t.length,n=t[0],s=t.subarray(1);if(e===i&&(2===n||3===n)){let t=B(s);if(!(te<t&&t<r.ORDER))throw Error("Point is not on curve");let e=u(t),i=r.sqrt(e);return(1&n)==1!=((i&tr)===tr)&&(i=r.neg(i)),{x:t,y:i}}if(e===o&&4===n)return{x:r.fromBytes(s.subarray(0,r.BYTES)),y:r.fromBytes(s.subarray(r.BYTES,2*r.BYTES))};throw Error(`Point of length ${e} was invalid. Expected ${i} compressed bytes or ${o} uncompressed bytes`)}}),h=t=>w(x(t,e.nByteLength)),d=(t,e,r)=>B(t.slice(e,r));class c{constructor(t,e,r){this.r=t,this.s=e,this.recovery=r,this.assertValidity()}static fromCompact(t){let r=e.nByteLength;return new c(d(t=A("compactSignature",t,2*r),0,r),d(t,r,2*r))}static fromDER(t){let{r:e,s:r}=tt.toSig(A("DER",t));return new c(e,r)}assertValidity(){if(!a(this.r))throw Error("r must be 0 < r < CURVE.n");if(!a(this.s))throw Error("s must be 0 < s < CURVE.n")}addRecoveryBit(t){return new c(this.r,this.s,t)}recoverPublicKey(t){let{r:i,s:o,recovery:l}=this,u=y(A("msgHash",t));if(null==l||![0,1,2,3].includes(l))throw Error("recovery id invalid");let a=2===l||3===l?i+e.n:i;if(a>=r.ORDER)throw Error("recovery id 2 or 3 invalid");let d=(1&l)==0?"02":"03",c=f.fromHex(d+h(a)),p=V(a,n),g=s(-u*p),m=s(o*p),w=f.BASE.multiplyAndAddUnsafe(c,g,m);if(!w)throw Error("point at infinify");return w.assertValidity(),w}hasHighS(){return this.s>n>>tr}normalizeS(){return this.hasHighS()?new c(this.r,s(-this.s),this.recovery):this}toDERRawBytes(){return b(this.toDERHex())}toDERHex(){return tt.hexFromSig({r:this.r,s:this.s})}toCompactRawBytes(){return b(this.toCompactHex())}toCompactHex(){return h(this.r)+h(this.s)}}function p(t){let e=t instanceof Uint8Array,r="string"==typeof t,n=(e||r)&&t.length;return e?n===i||n===o:r?n===2*i||n===2*o:t instanceof f}let g=e.bits2int||function(t){let r=B(t),n=8*t.length-e.nBitLength;return n>0?r>>BigInt(n):r},y=e.bits2int_modN||function(t){return s(g(t))},m=O(e.nBitLength);function E(t){if("bigint"!=typeof t)throw Error("bigint expected");if(!(te<=t&&t<m))throw Error(`bigint expected < 2^${e.nBitLength}`);return x(t,e.nByteLength)}let q={lowS:e.lowS,prehash:!1},N={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(p(t))throw Error("first arg must be private key");if(!p(e))throw Error("second arg must be public key");return f.fromHex(e).multiply(l(t)).toRawBytes(r)},sign:function(t,i,o=q){let{seed:u,k2sig:h}=function(t,i,o=q){if(["recovered","canonical"].some(t=>t in o))throw Error("sign() legacy options not supported");let{hash:u,randomBytes:h}=e,{lowS:d,prehash:p,extraEntropy:m}=o;null==d&&(d=!0),t=A("msgHash",t),p&&(t=A("prehashed msgHash",u(t)));let w=y(t),b=l(i),B=[E(b),E(w)];if(null!=m){let t=!0===m?h(r.BYTES):m;B.push(A("extraEntropy",t))}return{seed:S(...B),k2sig:function(t){let e=g(t);if(!a(e))return;let r=V(e,n),i=f.BASE.multiply(e).toAffine(),o=s(i.x);if(o===te)return;let l=s(r*s(w+o*b));if(l===te)return;let u=(i.x===o?0:2)|Number(i.y&tr),h=l;if(d&&l>n>>tr)h=l>n>>tr?s(-l):l,u^=1;return new c(o,h,u)}}}(t,i,o);return R(e.hash.outputLen,e.nByteLength,e.hmac)(u,h)},verify:function(t,r,i,o=N){let l,u;if(r=A("msgHash",r),i=A("publicKey",i),"strict"in o)throw Error("options.strict was renamed to lowS");let{lowS:a,prehash:h}=o;try{if("string"==typeof t||t instanceof Uint8Array)try{u=c.fromDER(t)}catch(e){if(!(e instanceof tt.Err))throw e;u=c.fromCompact(t)}else if("object"==typeof t&&"bigint"==typeof t.r&&"bigint"==typeof t.s){let{r:e,s:r}=t;u=new c(e,r)}else throw Error("PARSE");l=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;h&&(r=e.hash(r));let{r:d,s:p}=u,g=y(r),m=V(p,n),w=s(g*m),E=s(d*m),b=f.BASE.multiplyAndAddUnsafe(l,w,E)?.toAffine();return!!b&&s(b.x)===d},ProjectivePoint:f,Signature:c,utils:{isValidPrivateKey(t){try{return l(t),!0}catch(t){return!1}},normPrivateKeyToScalar:l,randomPrivateKey:()=>{let t=D(e.n);return function(t,e,r=!1){let n=t.length,i=G(e),o=D(e);if(n<16||n<o||n>1024)throw Error(`expected ${o}-1024 bytes of input, got ${n}`);let s=T(r?B(t):I(t),e-$)+$;return r?v(s,i):x(s,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)=>Y(e,t,(0,o.eV)(...r)),randomBytes:o.O6});return Object.freeze({...r(e),create:r})}({a:BigInt(0),b:BigInt(7),Fp:tu,n:to,Gx:BigInt("55066263022277343669578718895168534326250603453777594175500187360389116729240"),Gy:BigInt("32670510020758816978083085130507043184471273380659243275938904335757337482424"),h:BigInt(1),lowS:!0,endo:{beta:BigInt("0x7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee"),splitScalar:t=>{let e=BigInt("0x3086d221a7d46bcde86c90e49284eb15"),r=-ts*BigInt("0xe4437ed6010e88286f547fa90abfe4c3"),n=BigInt("0x114ca50f7a8e2f3f657c1108d9d44cfd8"),i=BigInt("0x100000000000000000000000000000000"),o=tl(e*t,to),s=tl(-r*t,to),f=T(t-o*e-s*n,to),l=T(-o*r-s*e,to),u=f>i,a=l>i;if(u&&(f=to-f),a&&(l=to-l),f>i||l>i)throw Error("splitScalar: Endomorphism failed, k="+t);return{k1neg:u,k1:f,k2neg:a,k2:l}}}},c);BigInt(0),ta.ProjectivePoint}}]);