@libp2p/pubsub-peer-discovery/dist/index.min.js

A libp2p module that uses pubsub for mdns like peer discovery

(function (root, factory) {(typeof module === 'object' && module.exports) ? module.exports = factory() : root.Libp2PPubsubPeerDiscovery = factory()}(typeof self !== 'undefined' ? self : this, function () {
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this.length+=t.length,this.roundClean(),this}digestInto(t){be(this),ms(t,this),this.finished=!0;let{buffer:r,view:n,blockLen:o,isLE:s}=this,{pos:i}=this;r[i++]=128,Lt(this.buffer.subarray(i)),this.padOffset>o-i&&(this.process(n,0),i=0);for(let u=i;u<o;u++)r[u]=0;Ac(n,o-8,BigInt(this.length*8),s),this.process(n,0);let a=dr(t),c=this.outputLen;if(c%4)throw new Error("_sha2: outputLen should be aligned to 32bit");let l=c/4,f=this.get();if(l>f.length)throw new Error("_sha2: outputLen bigger than state");for(let u=0;u<l;u++)a.setUint32(4*u,f[u],s)}digest(){let{buffer:t,outputLen:r}=this;this.digestInto(t);let n=t.slice(0,r);return this.destroy(),n}_cloneInto(t){t||(t=new this.constructor),t.set(...this.get());let{blockLen:r,buffer:n,length:o,finished:s,destroyed:i,pos:a}=this;return t.destroyed=i,t.finished=s,t.length=o,t.pos=a,o%r&&t.buffer.set(n),t}clone(){return this._cloneInto()}},Ot=Uint32Array.from([1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225]);var Q=Uint32Array.from([1779033703,4089235720,3144134277,2227873595,1013904242,4271175723,2773480762,1595750129,1359893119,2917565137,2600822924,725511199,528734635,4215389547,1541459225,327033209]);var pr=BigInt(4294967295),ws=BigInt(32);function Ic(e,t=!1){return t?{h:Number(e&pr),l:Number(e>>ws&pr)}:{h:Number(e>>ws&pr)|0,l:Number(e&pr)|0}}function Es(e,t=!1){let r=e.length,n=new Uint32Array(r),o=new Uint32Array(r);for(let s=0;s<r;s++){let{h:i,l:a}=Ic(e[s],t);[n[s],o[s]]=[i,a]}return[n,o]}var Cn=(e,t,r)=>e>>>r,Tn=(e,t,r)=>e<<32-r|t>>>r,Yt=(e,t,r)=>e>>>r|t<<32-r,Xt=(e,t,r)=>e<<32-r|t>>>r,ze=(e,t,r)=>e<<64-r|t>>>r-32,Fe=(e,t,r)=>e>>>r-32|t<<64-r;function It(e,t,r,n){let o=(t>>>0)+(n>>>0);return{h:e+r+(o/2**32|0)|0,l:o|0}}var 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extends Ve{constructor(t=32){super(64,t,8,!1),this.A=Ot[0]|0,this.B=Ot[1]|0,this.C=Ot[2]|0,this.D=Ot[3]|0,this.E=Ot[4]|0,this.F=Ot[5]|0,this.G=Ot[6]|0,this.H=Ot[7]|0}get(){let{A:t,B:r,C:n,D:o,E:s,F:i,G:a,H:c}=this;return[t,r,n,o,s,i,a,c]}set(t,r,n,o,s,i,a,c){this.A=t|0,this.B=r|0,this.C=n|0,this.D=o|0,this.E=s|0,this.F=i|0,this.G=a|0,this.H=c|0}process(t,r){for(let u=0;u<16;u++,r+=4)Vt[u]=t.getUint32(r,!1);for(let u=16;u<64;u++){let x=Vt[u-15],b=Vt[u-2],S=wt(x,7)^wt(x,18)^x>>>3,E=wt(b,17)^wt(b,19)^b>>>10;Vt[u]=E+Vt[u-7]+S+Vt[u-16]|0}let{A:n,B:o,C:s,D:i,E:a,F:c,G:l,H:f}=this;for(let u=0;u<64;u++){let x=wt(a,6)^wt(a,11)^wt(a,25),b=f+x+xs(a,c,l)+_c[u]+Vt[u]|0,E=(wt(n,2)^wt(n,13)^wt(n,22))+gs(n,o,s)|0;f=l,l=c,c=a,a=i+b|0,i=s,s=o,o=n,n=b+E|0}n=n+this.A|0,o=o+this.B|0,s=s+this.C|0,i=i+this.D|0,a=a+this.E|0,c=c+this.F|0,l=l+this.G|0,f=f+this.H|0,this.set(n,o,s,i,a,c,l,f)}roundClean(){Lt(Vt)}destroy(){this.set(0,0,0,0,0,0,0,0),Lt(this.buffer)}};var 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A=Ss(g,y,_);n=vs(A,h,d,w),o=A|0}({h:n,l:o}=It(this.Ah|0,this.Al|0,n|0,o|0)),{h:s,l:i}=It(this.Bh|0,this.Bl|0,s|0,i|0),{h:a,l:c}=It(this.Ch|0,this.Cl|0,a|0,c|0),{h:l,l:f}=It(this.Dh|0,this.Dl|0,l|0,f|0),{h:u,l:x}=It(this.Eh|0,this.El|0,u|0,x|0),{h:b,l:S}=It(this.Fh|0,this.Fl|0,b|0,S|0),{h:E,l:m}=It(this.Gh|0,this.Gl|0,E|0,m|0),{h:v,l:T}=It(this.Hh|0,this.Hl|0,v|0,T|0),this.set(n,o,s,i,a,c,l,f,u,x,b,S,E,m,v,T)}roundClean(){Lt(zt,Ft)}destroy(){Lt(this.buffer),this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)}};var yr=_n(()=>new mr);var Ts=_n(()=>new Dn);var On=BigInt(0),Ln=BigInt(1);function Ut(e,t){if(typeof t!="boolean")throw new Error(e+" boolean expected, got "+t)}function je(e){let t=e.toString(16);return t.length&1?"0"+t:t}function Ds(e){if(typeof e!="string")throw new Error("hex string expected, got "+typeof e);return e===""?On:BigInt("0x"+e)}function ge(e){return Ds(At(e))}function Jt(e){return ot(e),Ds(At(Uint8Array.from(e).reverse()))}function br(e,t){return 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Uint8Array(b),o=b=>Uint8Array.of(b),s=n(e),i=n(e),a=0,c=()=>{s.fill(1),i.fill(0),a=0},l=(...b)=>r(i,s,...b),f=(b=n(0))=>{i=l(o(0),b),s=l(),b.length!==0&&(i=l(o(1),b),s=l())},u=()=>{if(a++>=1e3)throw new Error("drbg: tried 1000 values");let b=0,S=[];for(;b<t;){s=l();let E=s.slice();S.push(E),b+=s.length}return pt(...S)};return(b,S)=>{c(),f(b);let E;for(;!(E=S(u()));)f();return c(),E}}function Gt(e,t,r={}){if(!e||typeof e!="object")throw new Error("expected valid options object");function n(o,s,i){let a=e[o];if(i&&a===void 0)return;let c=typeof a;if(c!==s||a===null)throw new Error(`param "${o}" is invalid: expected ${s}, got ${c}`)}Object.entries(t).forEach(([o,s])=>n(o,s,!1)),Object.entries(r).forEach(([o,s])=>n(o,s,!0))}function Ee(e){let t=new WeakMap;return(r,...n)=>{let o=t.get(r);if(o!==void 0)return o;let s=e(r,...n);return t.set(r,s),s}}var ct=BigInt(0),X=BigInt(1),te=BigInt(2),Dc=BigInt(3),Rs=BigInt(4),Ns=BigInt(5),ks=BigInt(8);function z(e,t){let r=e%t;return 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s=o.pow(n,t),i=(t+X)/te;return function(c,l){if(c.is0(l))return l;if(Ks(c,l)!==1)throw new Error("Cannot find square root");let f=r,u=c.mul(c.ONE,s),x=c.pow(l,t),b=c.pow(l,i);for(;!c.eql(x,c.ONE);){if(c.is0(x))return c.ZERO;let S=1,E=c.sqr(x);for(;!c.eql(E,c.ONE);)if(S++,E=c.sqr(E),S===f)throw new Error("Cannot find square root");let m=X<<BigInt(f-S-1),v=c.pow(u,m);f=S,u=c.sqr(v),x=c.mul(x,u),b=c.mul(b,v)}return b}}function Oc(e){return e%Rs===Dc?Ms:e%ks===Ns?Pc:Lc(e)}var Hs=(e,t)=>(z(e,t)&X)===X,Uc=["create","isValid","is0","neg","inv","sqrt","sqr","eql","add","sub","mul","pow","div","addN","subN","mulN","sqrN"];function Un(e){let t={ORDER:"bigint",MASK:"bigint",BYTES:"number",BITS:"number"},r=Uc.reduce((n,o)=>(n[o]="function",n),t);return Gt(e,r),e}function Kc(e,t,r){if(r<ct)throw new Error("invalid exponent, negatives unsupported");if(r===ct)return e.ONE;if(r===X)return t;let n=e.ONE,o=t;for(;r>ct;)r&X&&(n=e.mul(n,o)),o=e.sqr(o),r>>=X;return n}function Ge(e,t,r=!1){let n=new Array(t.length).fill(r?e.ZERO:void 0),o=t.reduce((i,a,c)=>e.is0(a)?i:(n[c]=i,e.mul(i,a)),e.ONE),s=e.inv(o);return t.reduceRight((i,a,c)=>e.is0(a)?i:(n[c]=e.mul(i,n[c]),e.mul(i,a)),s),n}function Ks(e,t){let r=(e.ORDER-X)/te,n=e.pow(t,r),o=e.eql(n,e.ONE),s=e.eql(n,e.ZERO),i=e.eql(n,e.neg(e.ONE));if(!o&&!s&&!i)throw new Error("invalid Legendre symbol result");return o?1:s?0:-1}function qs(e,t){t!==void 0&&Me(t);let r=t!==void 0?t:e.toString(2).length,n=Math.ceil(r/8);return{nBitLength:r,nByteLength:n}}function Et(e,t,r=!1,n={}){if(e<=ct)throw new Error("invalid field: expected ORDER > 0, got "+e);let o,s;if(typeof t=="object"&&t!=null){if(n.sqrt||r)throw new Error("cannot specify opts in two arguments");let f=t;f.BITS&&(o=f.BITS),f.sqrt&&(s=f.sqrt),typeof f.isLE=="boolean"&&(r=f.isLE)}else typeof t=="number"&&(o=t),n.sqrt&&(s=n.sqrt);let{nBitLength:i,nByteLength:a}=qs(e,o);if(a>2048)throw new Error("invalid field: expected ORDER of <= 2048 bytes");let c,l=Object.freeze({ORDER:e,isLE:r,BITS:i,BYTES:a,MASK:Qt(i),ZERO:ct,ONE:X,create:f=>z(f,e),isValid:f=>{if(typeof f!="bigint")throw new Error("invalid field element: expected bigint, got "+typeof f);return ct<=f&&f<e},is0:f=>f===ct,isValidNot0:f=>!l.is0(f)&&l.isValid(f),isOdd:f=>(f&X)===X,neg:f=>z(-f,e),eql:(f,u)=>f===u,sqr:f=>z(f*f,e),add:(f,u)=>z(f+u,e),sub:(f,u)=>z(f-u,e),mul:(f,u)=>z(f*u,e),pow:(f,u)=>Kc(l,f,u),div:(f,u)=>z(f*Us(u,e),e),sqrN:f=>f*f,addN:(f,u)=>f+u,subN:(f,u)=>f-u,mulN:(f,u)=>f*u,inv:f=>Us(f,e),sqrt:s||(f=>(c||(c=Oc(e)),c(l,f))),toBytes:f=>r?we(f,a):br(f,a),fromBytes:f=>{if(f.length!==a)throw new Error("Field.fromBytes: expected "+a+" bytes, got "+f.length);return r?Jt(f):ge(f)},invertBatch:f=>Ge(l,f),cmov:(f,u,x)=>x?u:f});return Object.freeze(l)}function Vs(e){if(typeof e!="bigint")throw new Error("field order must be bigint");let t=e.toString(2).length;return Math.ceil(t/8)}function Kn(e){let t=Vs(e);return t+Math.ceil(t/2)}function zs(e,t,r=!1){let n=e.length,o=Vs(t),s=Kn(t);if(n<16||n<s||n>1024)throw new Error("expected "+s+"-1024 bytes of input, got "+n);let i=r?Jt(e):ge(e),a=z(i,t-X)+X;return r?we(a,o):br(a,o)}var ve=BigInt(0),ee=BigInt(1);function Se(e,t){let r=t.negate();return e?r:t}function xr(e,t,r){let n=t==="pz"?i=>i.pz:i=>i.ez,o=Ge(e.Fp,r.map(n));return r.map((i,a)=>i.toAffine(o[a])).map(e.fromAffine)}function $s(e,t){if(!Number.isSafeInteger(e)||e<=0||e>t)throw new Error("invalid window size, expected [1.."+t+"], got W="+e)}function Rn(e,t){$s(e,t);let r=Math.ceil(t/e)+1,n=2**(e-1),o=2**e,s=Qt(e),i=BigInt(e);return{windows:r,windowSize:n,mask:s,maxNumber:o,shiftBy:i}}function Fs(e,t,r){let{windowSize:n,mask:o,maxNumber:s,shiftBy:i}=r,a=Number(e&o),c=e>>i;a>n&&(a-=s,c+=ee);let l=t*n,f=l+Math.abs(a)-1,u=a===0,x=a<0,b=t%2!==0;return{nextN:c,offset:f,isZero:u,isNeg:x,isNegF:b,offsetF:l}}function Rc(e,t){if(!Array.isArray(e))throw new Error("array expected");e.forEach((r,n)=>{if(!(r instanceof t))throw new Error("invalid point at index "+n)})}function Nc(e,t){if(!Array.isArray(e))throw new Error("array of scalars expected");e.forEach((r,n)=>{if(!t.isValid(r))throw new Error("invalid scalar at index "+n)})}var Nn=new WeakMap,Zs=new WeakMap;function kn(e){return Zs.get(e)||1}function js(e){if(e!==ve)throw new Error("invalid wNAF")}function gr(e,t){return{constTimeNegate:Se,hasPrecomputes(r){return kn(r)!==1},unsafeLadder(r,n,o=e.ZERO){let s=r;for(;n>ve;)n&ee&&(o=o.add(s)),s=s.double(),n>>=ee;return o},precomputeWindow(r,n){let{windows:o,windowSize:s}=Rn(n,t),i=[],a=r,c=a;for(let l=0;l<o;l++){c=a,i.push(c);for(let f=1;f<s;f++)c=c.add(a),i.push(c);a=c.double()}return i},wNAF(r,n,o){let s=e.ZERO,i=e.BASE,a=Rn(r,t);for(let c=0;c<a.windows;c++){let{nextN:l,offset:f,isZero:u,isNeg:x,isNegF:b,offsetF:S}=Fs(o,c,a);o=l,u?i=i.add(Se(b,n[S])):s=s.add(Se(x,n[f]))}return js(o),{p:s,f:i}},wNAFUnsafe(r,n,o,s=e.ZERO){let i=Rn(r,t);for(let a=0;a<i.windows&&o!==ve;a++){let{nextN:c,offset:l,isZero:f,isNeg:u}=Fs(o,a,i);if(o=c,!f){let x=n[l];s=s.add(u?x.negate():x)}}return js(o),s},getPrecomputes(r,n,o){let s=Nn.get(n);return s||(s=this.precomputeWindow(n,r),r!==1&&(typeof o=="function"&&(s=o(s)),Nn.set(n,s))),s},wNAFCached(r,n,o){let s=kn(r);return this.wNAF(s,this.getPrecomputes(s,r,o),n)},wNAFCachedUnsafe(r,n,o,s){let i=kn(r);return i===1?this.unsafeLadder(r,n,s):this.wNAFUnsafe(i,this.getPrecomputes(i,r,o),n,s)},setWindowSize(r,n){$s(n,t),Zs.set(r,n),Nn.delete(r)}}}function Ws(e,t,r,n){let o=t,s=e.ZERO,i=e.ZERO;for(;r>ve||n>ve;)r&ee&&(s=s.add(o)),n&ee&&(i=i.add(o)),o=o.double(),r>>=ee,n>>=ee;return{p1:s,p2:i}}function wr(e,t,r,n){Rc(r,e),Nc(n,t);let o=r.length,s=n.length;if(o!==s)throw new Error("arrays of points and scalars must have equal length");let i=e.ZERO,a=Ls(BigInt(o)),c=1;a>12?c=a-3:a>4?c=a-2:a>0&&(c=2);let l=Qt(c),f=new Array(Number(l)+1).fill(i),u=Math.floor((t.BITS-1)/c)*c,x=i;for(let b=u;b>=0;b-=c){f.fill(i);for(let E=0;E<s;E++){let m=n[E],v=Number(m>>BigInt(b)&l);f[v]=f[v].add(r[E])}let S=i;for(let E=f.length-1,m=i;E>0;E--)m=m.add(f[E]),S=S.add(m);if(x=x.add(S),b!==0)for(let E=0;E<c;E++)x=x.double()}return x}function Gs(e,t){if(t){if(t.ORDER!==e)throw new Error("Field.ORDER must match order: Fp == p, Fn == n");return Un(t),t}else return Et(e)}function Er(e,t,r={}){if(!t||typeof t!="object")throw new Error(`expected valid ${e} CURVE object`);for(let a of["p","n","h"]){let c=t[a];if(!(typeof c=="bigint"&&c>ve))throw new Error(`CURVE.${a} mus