1 line
84 KiB
JavaScript
1 line
84 KiB
JavaScript
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function number(n){if(!Number.isSafeInteger(n)||n<0)throw new Error(`Wrong positive integer: ${n}`)}function bytes(b,...lengths){if(!(b instanceof Uint8Array))throw new Error("Expected Uint8Array");if(lengths.length>0&&!lengths.includes(b.length))throw new Error(`Expected Uint8Array of length ${lengths}, not of length=${b.length}`)}function exists(instance,checkFinished=true){if(instance.destroyed)throw new Error("Hash instance has been destroyed");if(checkFinished&&instance.finished)throw new Error("Hash#digest() has already been called")}function output(out,instance){bytes(out);const min=instance.outputLen;if(out.length<min){throw new Error(`digestInto() expects output buffer of length at least ${min}`)}}const u8a=a=>a instanceof Uint8Array;const u32=arr=>new Uint32Array(arr.buffer,arr.byteOffset,Math.floor(arr.byteLength/4));const isLE=new Uint8Array(new Uint32Array([287454020]).buffer)[0]===68;if(!isLE)throw new Error("Non little-endian hardware is not supported");function utf8ToBytes(str){if(typeof str!=="string")throw new Error(`utf8ToBytes expected string, got ${typeof str}`);return new Uint8Array((new TextEncoder).encode(str))}function toBytes(data){if(typeof data==="string")data=utf8ToBytes(data);if(!u8a(data))throw new Error(`expected Uint8Array, got ${typeof data}`);return data}class Hash{clone(){return this._cloneInto()}}function wrapConstructor(hashCons){const hashC=msg=>hashCons().update(toBytes(msg)).digest();const tmp=hashCons();hashC.outputLen=tmp.outputLen;hashC.blockLen=tmp.blockLen;hashC.create=()=>hashCons();return hashC}const U32_MASK64=BigInt(2**32-1);const _32n=BigInt(32);function fromBig(n,le=false){if(le)return{h:Number(n&U32_MASK64),l:Number(n>>_32n&U32_MASK64)};return{h:Number(n>>_32n&U32_MASK64)|0,l:Number(n&U32_MASK64)|0}}function split(lst,le=false){let Ah=new Uint32Array(lst.length);let Al=new Uint32Array(lst.length);for(let i=0;i<lst.length;i++){const{h,l}=fromBig(lst[i],le);[Ah[i],Al[i]]=[h,l]}return[Ah,Al]}const rotlSH=(h,l,s)=>h<<s|l>>>32-s;const rotlSL=(h,l,s)=>l<<s|h>>>32-s;const rotlBH=(h,l,s)=>l<<s-32|h>>>64-s;const rotlBL=(h,l,s)=>h<<s-32|l>>>64-s;const version="6.14.1";function defineProperties(target,values,types){for(let key in values){let value=values[key];Object.defineProperty(target,key,{enumerable:true,value:value,writable:false})}}function stringify(value){if(value==null){return"null"}if(Array.isArray(value)){return"[ "+value.map(stringify).join(", ")+" ]"}if(value instanceof Uint8Array){const HEX="0123456789abcdef";let result="0x";for(let i=0;i<value.length;i++){result+=HEX[value[i]>>4];result+=HEX[value[i]&15]}return result}if(typeof value==="object"&&typeof value.toJSON==="function"){return stringify(value.toJSON())}switch(typeof value){case"boolean":case"symbol":return value.toString();case"bigint":return BigInt(value).toString();case"number":return value.toString();case"string":return JSON.stringify(value);case"object":{const keys=Object.keys(value);keys.sort();return"{ "+keys.map(k=>`${stringify(k)}: ${stringify(value[k])}`).join(", ")+" }"}}return`[ COULD NOT SERIALIZE ]`}function makeError(message,code,info){let shortMessage=message;{const details=[];if(info){if("message"in info||"code"in info||"name"in info){throw new Error(`value will overwrite populated values: ${stringify(info)}`)}for(const key in info){if(key==="shortMessage"){continue}const value=info[key];details.push(key+"="+stringify(value))}}details.push(`code=${code}`);details.push(`version=${version}`);if(details.length){message+=" ("+details.join(", ")+")"}}let error;switch(code){case"INVALID_ARGUMENT":error=new TypeError(message);break;case"NUMERIC_FAULT":case"BUFFER_OVERRUN":error=new RangeError(message);break;default:error=new Error(message)}defineProperties(error,{code:code});if(info){Object.assign(error,info)}if(error.shortMessage==null){defineProperties(error,{shortMessage:shortMessage})}return error}function assert(check,message,code,info){if(!check){throw makeError(message,code,info)}}function assertArgument(check,message,name,value){assert(check,message,"INVALID_ARGUMENT",{argument:name,value
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