@walletconnect/utils
Version:
Utilities for WalletConnect Protocol
4 lines • 86.3 kB
JavaScript
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o=r?0:2048,{h:i,r:s}=this,c=s[0],a=s[1],u=s[2],l=s[3],f=s[4],h=s[5],y=s[6],E=s[7],p=s[8],d=s[9],v=F(e,n+0),m=F(e,n+2),O=F(e,n+4),N=F(e,n+6),$=F(e,n+8),B=F(e,n+10),A=F(e,n+12),T=F(e,n+14);let S=i[0]+(v&8191),L=i[1]+((v>>>13|m<<3)&8191),U=i[2]+((m>>>10|O<<6)&8191),_=i[3]+((O>>>7|N<<9)&8191),j=i[4]+((N>>>4|$<<12)&8191),g=i[5]+($>>>1&8191),w=i[6]+(($>>>14|B<<2)&8191),b=i[7]+((B>>>11|A<<5)&8191),I=i[8]+((A>>>8|T<<8)&8191),R=i[9]+(T>>>5|o),x=0,C=x+S*c+L*(5*d)+U*(5*p)+_*(5*E)+j*(5*y);x=C>>>13,C&=8191,C+=g*(5*h)+w*(5*f)+b*(5*l)+I*(5*u)+R*(5*a),x+=C>>>13,C&=8191;let P=x+S*a+L*c+U*(5*d)+_*(5*p)+j*(5*E);x=P>>>13,P&=8191,P+=g*(5*y)+w*(5*h)+b*(5*f)+I*(5*l)+R*(5*u),x+=P>>>13,P&=8191;let k=x+S*u+L*a+U*c+_*(5*d)+j*(5*p);x=k>>>13,k&=8191,k+=g*(5*E)+w*(5*y)+b*(5*h)+I*(5*f)+R*(5*l),x+=k>>>13,k&=8191;let M=x+S*l+L*u+U*a+_*c+j*(5*d);x=M>>>13,M&=8191,M+=g*(5*p)+w*(5*E)+b*(5*y)+I*(5*h)+R*(5*f),x+=M>>>13,M&=8191;let 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Error("_sha2: outputLen bigger than state");for(let f=0;f<u;f++)c.setUint32(4*f,l[f],i)}digest(){const{buffer:e,outputLen:n}=this;this.digestInto(e);const r=e.slice(0,n);return this.destroy(),r}_cloneInto(e){e||(e=new this.constructor),e.set(...this.get());const{blockLen:n,buffer:r,length:o,finished:i,destroyed:s,pos:c}=this;return e.length=o,e.pos=c,e.finished=i,e.destroyed=s,o%n&&e.buffer.set(r),e}}const Ks=new Uint32Array([1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298]),wt=new Uint32Array([1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225]),bt=new Uint32Array(64);class Fs extends 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t?n:e}function Yr(t,e){if(!Number.isSafeInteger(t)||t<=0||t>e)throw new Error("invalid window size, expected [1.."+e+"], got W="+t)}function rn(t,e){Yr(t,e);const n=Math.ceil(e/t)+1,r=2**(t-1);return{windows:n,windowSize:r}}function fc(t,e){if(!Array.isArray(t))throw new Error("array expected");t.forEach((n,r)=>{if(!(n instanceof e))throw new Error("invalid point at index "+r)})}function lc(t,e){if(!Array.isArray(t))throw new Error("array of scalars expected");t.forEach((n,r)=>{if(!e.isValid(n))throw new Error("invalid scalar at index "+r)})}const on=new WeakMap,Gr=new WeakMap;function sn(t){return Gr.get(t)||1}function dc(t,e){return{constTimeNegate:nn,hasPrecomputes(n){return sn(n)!==1},unsafeLadder(n,r,o=t.ZERO){let i=n;for(;r>Zr;)r&be&&(o=o.add(i)),i=i.double(),r>>=be;return o},precomputeWindow(n,r){const{windows:o,windowSize:i}=rn(r,e),s=[];let c=n,a=c;for(let u=0;u<o;u++){a=c,s.push(a);for(let l=1;l<i;l++)a=a.add(c),s.push(a);c=a.double()}return s},wNAF(n,r,o){const{windows:i,windowSize:s}=rn(n,e);let c=t.ZERO,a=t.BASE;const u=BigInt(2**n-1),l=2**n,f=BigInt(n);for(let h=0;h<i;h++){const y=h*s;let E=Number(o&u);o>>=f,E>s&&(E-=l,o+=be);const p=y,d=y+Math.abs(E)-1,v=h%2!==0,m=E<0;E===0?a=a.add(nn(v,r[p])):c=c.add(nn(m,r[d]))}return{p:c,f:a}},wNAFUnsafe(n,r,o,i=t.ZERO){const{windows:s,windowSize:c}=rn(n,e),a=BigInt(2**n-1),u=2**n,l=BigInt(n);for(let f=0;f<s;f++){const h=f*c;if(o===Zr)break;let y=Number(o&a);if(o>>=l,y>c&&(y-=u,o+=be),y===0)continue;let E=r[h+Math.abs(y)-1];y<0&&(E=E.negate()),i=i.add(E)}return i},getPrecomputes(n,r,o){let i=on.get(r);return i||(i=this.precomputeWindow(r,n),n!==1&&on.set(r,o(i))),i},wNAFCached(n,r,o){const i=sn(n);return this.wNAF(i,this.getPrecomputes(i,n,o),r)},wNAFCachedUnsafe(n,r,o,i){const s=sn(n);return s===1?this.unsafeLadder(n,r,i):this.wNAFUnsafe(s,this.getPrecomputes(s,n,o),r,i)},setWindowSize(n,r){Yr(r,e),Gr.set(n,r),on.delete(n)}}}function hc(t,e,n,r){if(fc(n,t),lc(r,e),n.length!==r.length)throw new Error("arrays of points and scalars must have equal length");const o=t.ZERO,i=Pr(BigInt(n.length)),s=i>12?i-3:i>4?i-2:i?2:1,c=(1<<s)-1,a=new Array(c+1).fill(o),u=Math.floor((e.BITS-1)/s)*s;let l=o;for(let f=u;f>=0;f-=s){a.fill(o);for(let y=0;y<r.length;y++){const E=r[y],p=Number(E>>BigInt(f)&BigInt(c));a[p]=a[p].add(n[y])}let h=o;for(let y=a.length-1,E=o;y>0;y--)E=E.add(a[y]),h=h.add(E);if(l=l.add(h),f!==0)for(let y=0;y<s;y++)l=l.double()}return l}function Wr(t){return sc(t.Fp),Mt(t,{n:"bigint",h:"bigint",Gx:"field",Gy:"field"},{nBitLength:"isSafeInteger",nByteLength:"isSafeInteger"}),Object.freeze({...qr(t.n,t.nBitLength),...t,p:t.Fp.ORDER})}BigInt(0),BigInt(1),BigInt(2),BigInt(8);const Dt=BigInt(0),cn=BigInt(1);function pc(t){return Mt(t,{a:"bigint"},{montgomeryBits:"isSafeInteger",nByteLength:"isSafeInteger",adjustScalarBytes:"function",domain:"function",powPminus2:"function",Gu:"bigint"}),Object.freeze({...t})}function gc(t){const e=pc(t),{P:n}=e,r=m=>X(m,n),o=e.montgomeryBits,i=Math.ceil(o/8),s=e.nByteLength,c=e.adjustScalarBytes||(m=>m),a=e.powPminus2||(m=>Hr(m,n-BigInt(2),n));function u(m,O,N){const $=r(m*(O-N));return O=r(O-$),N=r(N+$),[O,N]}const l=(e.a-BigInt(2))/BigInt(4);function f(m,O){ft("u",m,Dt,n),ft("scalar",O,Dt,n);const N=O,$=m;let B=cn,A=Dt,T=m,S=cn,L=Dt,U;for(let j=BigInt(o-1);j>=Dt;j--){const g=N>>j&cn;L^=g,U=u(L,B,T),B=U[0],T=U[1],U=u(L,A,S),A=U[0],S=U[1],L=g;const w=B+A,b=r(w*w),I=B-A,R=r(I*I),x=b-R,C=T+S,P=T-S,k=r(P*w),M=r(C*I),D=k+M,z=k-M;T=r(D*D),S=r($*r(z*z)),B=r(b*R),A=r(x*(b+r(l*x)))}U=u(L,B,T),B=U[0],T=U[1],U=u(L,A,S),A=U[0],S=U[1];const _=a(A);return r(B*_)}function h(m){return me(r(m),i)}function y(m){const O=et("u coordinate",m,i);return s===32&&(O[31]&=127),te(O)}function E(m){const O=et("scalar",m),N=O.length;if(N!==i&&N!==s){let $=""+i+" or "+s;throw new Error("invalid scalar, expected "+$+" bytes, got "+N)}return te(c(O))}function p(m,O){const N=y(O),