libp2p-middleware-evm/dist/index.min.js

EVM middleware for libp2p

(function (root, factory) {(typeof module === 'object' && module.exports) ? module.exports = factory() : root.Libp2PMiddlewareEvm = factory()}(typeof self !== 'undefined' ? self : this, function () {
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ie=(q&1)===0?"02":"03",Oe=u.fromHex(ie+T(se)),Re=c(se),wt=a(-W*Re),Pt=a(D*Re),Ce=u.BASE.multiplyAndAddUnsafe(Oe,wt,Pt);if(!Ce)throw new Error("point at infinify");return Ce.assertValidity(),Ce}hasHighS(){return S(this.s)}normalizeS(){return this.hasHighS()?new v(this.r,a(-this.s),this.recovery):this}toDERRawBytes(){return Qe(this.toDERHex())}toDERHex(){return tt.hexFromSig({r:this.r,s:this.s})}toCompactRawBytes(){return Qe(this.toCompactHex())}toCompactHex(){return T(this.r)+T(this.s)}}let B={isValidPrivateKey(g){try{return d(g),!0}catch{return!1}},normPrivateKeyToScalar:d,randomPrivateKey:()=>{let g=Fr(e.n);return ts(e.randomBytes(g),e.n)},precompute(g=8,_=u.BASE){return _._setWindowSize(g),_.multiply(BigInt(3)),_}};function O(g,_=!0){return u.fromPrivateKey(g).toRawBytes(_)}function M(g){let _=g instanceof Uint8Array,C=typeof g=="string",D=(_||C)&&g.length;return _?D===s||D===i:C?D===2*s||D===2*i:g instanceof u}function $(g,_,C=!0){if(M(g))throw new Error("first arg must be private 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e=cs,t=BigInt(3),n=BigInt(6),s=BigInt(11),i=BigInt(22),o=BigInt(23),a=BigInt(44),c=BigInt(88),u=r*r*r%e,d=u*u*r%e,l=ae(d,t,e)*d%e,x=ae(l,t,e)*d%e,T=ae(x,Gr,e)*u%e,S=ae(T,s,e)*T%e,h=ae(S,i,e)*S%e,w=ae(h,a,e)*h%e,v=ae(w,c,e)*w%e,B=ae(v,a,e)*h%e,O=ae(B,t,e)*d%e,M=ae(O,o,e)*S%e,$=ae(M,n,e)*u%e,A=ae($,Gr,e);if(!Xr.eql(Xr.sqr(A),r))throw new Error("Cannot find square root");return A}var Xr=Qn(cs,void 0,void 0,{sqrt:qi}),ke=is({a:BigInt(0),b:BigInt(7),Fp:Xr,n:os,Gx:BigInt("55066263022277343669578718895168534326250603453777594175500187360389116729240"),Gy:BigInt("32670510020758816978083085130507043184471273380659243275938904335757337482424"),h:BigInt(1),lowS:!0,endo:{beta:BigInt("0x7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee"),splitScalar:r=>{let e=os,t=BigInt("0x3086d221a7d46bcde86c90e49284eb15"),n=-Vi*BigInt("0xe4437ed6010e88286f547fa90abfe4c3"),s=BigInt("0x114ca50f7a8e2f3f657c1108d9d44cfd8"),i=t,o=BigInt("0x100000000000000000000000000000000"),a=as(i*r,e),c=as(-n*r,e),u=Y(r-a*t-c*s,e),d=Y(-a*n-c*i,e),l=u>o,x=d>o;if(l&&(u=e-u),x&&(d=e-d),u>o||d>o)throw new Error("splitScalar: Endomorphism failed, k="+r);return{k1neg:l,k1:u,k2neg:x,k2:d}}}},On),su=BigInt(0);var iu=ke.ProjectivePoint;var fr="0x0000000000000000000000000000000000000000000000000000000000000000";var Yr=`Ethereum Signed Message:
`;var us=BigInt(0),ls=BigInt(1),ds=BigInt(2),fs=BigInt(27),hs=BigInt(28),hr=BigInt(35),At={};function ps(r){return Lr(Pr(r),32)}var Zt=class r{#e;#r;#n;#t;get r(){return this.#e}set r(e){P(Ue(e)===32,"invalid r","value",e),this.#e=z(e)}get s(){return this.#r}set s(e){P(Ue(e)===32,"invalid s","value",e);let t=z(e);P(parseInt(t.substring(0,3))<8,"non-canonical s","value",t),this.#r=t}get v(){return this.#n}set v(e){let t=Ye(e,"value");P(t===27||t===28,"invalid v","v",e),this.#n=t}get networkV(){return this.#t}get legacyChainId(){let e=this.networkV;return e==null?null:r.getChainId(e)}get yParity(){return this.v===27?0:1}get yParityAndS(){let e=K(this.s);return this.yParity&&(e[0]|=128),z(e)}get compactSerialized(){return Le([this.r,this.yParityAndS])}get serialized(){return Le([this.r,this.s,this.yParity?"0x1c":"0x1b"])}constructor(e,t,n,s){Cr(e,At,"Signature"),this.#e=t,this.#r=n,this.#n=s,this.#t=null}[Symbol.for("nodejs.util.inspect.custom")](){return`Signature { r: "${this.r}", s: "${this.s}", yParity: ${this.yParity}, networkV: ${this.networkV} }`}clone(){let e=new r(At,this.r,this.s,this.v);return this.networkV&&(e.#t=this.networkV),e}toJSON(){let e=this.networkV;return{_type:"signature",networkV:e!=null?e.toString():null,r:this.r,s:this.s,v:this.v}}static getChainId(e){let t=Xe(e,"v");return t==fs||t==hs?us:(P(t>=hr,"invalid EIP-155 v","v",e),(t-hr)/ds)}static getChainIdV(e,t){return Xe(e)*ds+BigInt(35+t-27)}static getNormalizedV(e){let t=Xe(e);return t===us||t===fs?27:t===ls||t===hs?28:(P(t>=hr,"invalid v","v",e),t&ls?27:28)}static from(e){function t(u,d){P(u,d,"signature",e)}if(e==null)return new r(At,fr,fr,27);if(typeof e=="string"){let u=K(e,"signature");if(u.length===64){let d=z(u.slice(0,32)),l=u.slice(32,64),x=l[0]&128?28:27;return l[0]&=127,new r(At,d,z(l),x)}if(u.length===65){let d=z(u.slice(0,32)),l=u.slice(32,64);t((l[0]&128)===0,"non-canonical s");let x=r.getNormalizedV(u[64]);return new r(At,d,z(l),x)}t(!1,"invalid raw signature length")}if(e instanceof r)return e.clone();let n=e.r;t(n!=null,"missing r");let s=ps(n),i=function(u,d){if(u!=null)return ps(u);if(d!=null){t($t(d,32),"invalid yParityAndS");let l=K(d);return l[0]&=127,z(l)}t(!1,"missing s")}(e.s,e.yParityAndS);t((K(i)[0]&128)==0,"non-canonical s");let{networkV:o,v:a}=function(u,d,l){if(u!=null){let x=Xe(u);return{networkV:x>=hr?x:void 0,v:r.getNormalizedV(x)}}if(d!=null)return t($t(d,32),"invalid yParityAndS"),{v:K(d)[0]&128?28:27};if(l!=null){switch(Ye(l,"sig.yParity")){case 0:return{v:27};case 1:return{v:28}}t(!1,"invalid yParity")}t(!1,"missing v")}(e.v,e.yParityAndS,e.yParity),c=new r(At,s,i,a);return o&&(c.#t=o),t(e.yParity==null||Ye(e.yParity,"sig.yParity")===c.yParity,"yParity mismatch"),t(e.yParityAndS==null||e.yParityAndS===c.yParityAndS,"yParityAndS mismatch"),c}};var St=class r{#e;constructor(e){P(Ue(e)===32,"invalid private key","privateKey","[REDACTED]"),this.#e=z(e)}get privateKey(){return this.#e}get publicKey(){return r.computePublicKey(this.#e)}get compressedPublicKey(){return r.computePublicKey(this.#e,!0)}sign(e){P(Ue(e)===32,"invalid digest length","digest",e);let t=ke.sign(Ge(e),Ge(this.#e),{lowS:!0});return Zt.from({r:Jt(t.r,32),s:Jt(t.s,32),v:t.recovery?28:27})}computeSharedSecret(e){let t=r.computePublicKey(e);return z(ke.getSharedSecret(Ge(this.#e),K(t),!1))}static computePublicKey(e,t){let n=K(e,"key");if(n.length===32){let i=ke.getPublicKey(n,!!t);return z(i)}if(n.length===64){let i=new Uint8Array(65);i[0]=4,i.set(n,1),n=i}let s=ke.ProjectivePoint.fromHex(n);return z(s.toRawBytes(t))}static recoverPublicKey(e,t){P(Ue(e)===32,"invalid digest length","digest",e);let n=Zt.from(t),s=ke.Signature.fromCompact(Ge(Le([n.r,n.s])));s=s.addRecoveryBit(n.yParity);let i=s.recoverPublicKey(Ge(e));return P(i!=null,"invalid signature for digest","signature",t),"0x"+i.toHex(!1)}static addPoints(e,t,n){let 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