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cids - npm Package Compare versions

Comparing version 0.3.4 to 0.3.5

10

CHANGELOG.md

@@ -0,1 +1,11 @@

<a name="0.3.5"></a>
## [0.3.5](https://github.com/ipld/js-cid/compare/v0.3.4...v0.3.5) (2016-12-16)
### Features
* add prefix feature ([7dae38e](https://github.com/ipld/js-cid/commit/7dae38e))
<a name="0.3.4"></a>

@@ -2,0 +12,0 @@ ## [0.3.4](https://github.com/ipfs/js-cid/compare/v0.3.3...v0.3.4) (2016-12-08)

4

dist/index.min.js

@@ -1,2 +0,2 @@

var Cids=function(modules){function __webpack_require__(moduleId){if(installedModules[moduleId])return installedModules[moduleId].exports;var module=installedModules[moduleId]={i:moduleId,l:!1,exports:{}};return modules[moduleId].call(module.exports,module,module.exports,__webpack_require__),module.l=!0,module.exports}var installedModules={};return __webpack_require__.m=modules,__webpack_require__.c=installedModules,__webpack_require__.i=function(value){return value},__webpack_require__.d=function(exports,name,getter){Object.defineProperty(exports,name,{configurable:!1,enumerable:!0,get:getter})},__webpack_require__.n=function(module){var getter=module&&module.__esModule?function(){return module.default}:function(){return module};return __webpack_require__.d(getter,"a",getter),getter},__webpack_require__.o=function(object,property){return 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newBuf;if(Buffer.TYPED_ARRAY_SUPPORT)newBuf=this.subarray(start,end),newBuf.__proto__=Buffer.prototype;else{var sliceLen=end-start;newBuf=new Buffer(sliceLen,void 0);for(var i=0;i<sliceLen;++i)newBuf[i]=this[i+start]}return newBuf},Buffer.prototype.readUIntLE=function(offset,byteLength,noAssert){offset|=0,byteLength|=0,noAssert||checkOffset(offset,byteLength,this.length);for(var val=this[offset],mul=1,i=0;++i<byteLength&&(mul*=256);)val+=this[offset+i]*mul;return val},Buffer.prototype.readUIntBE=function(offset,byteLength,noAssert){offset|=0,byteLength|=0,noAssert||checkOffset(offset,byteLength,this.length);for(var val=this[offset+--byteLength],mul=1;byteLength>0&&(mul*=256);)val+=this[offset+--byteLength]*mul;return val},Buffer.prototype.readUInt8=function(offset,noAssert){return noAssert||checkOffset(offset,1,this.length),this[offset]},Buffer.prototype.readUInt16LE=function(offset,noAssert){return noAssert||checkOffset(offset,2,this.length),this[offset]|this[offset+1]<<8},Buffer.prototype.readUInt16BE=function(offset,noAssert){return noAssert||checkOffset(offset,2,this.length),this[offset]<<8|this[offset+1]},Buffer.prototype.readUInt32LE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+16777216*this[offset+3]},Buffer.prototype.readUInt32BE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),16777216*this[offset]+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])},Buffer.prototype.readIntLE=function(offset,byteLength,noAssert){offset|=0,byteLength|=0,noAssert||checkOffset(offset,byteLength,this.length);for(var val=this[offset],mul=1,i=0;++i<byteLength&&(mul*=256);)val+=this[offset+i]*mul;return mul*=128,val>=mul&&(val-=Math.pow(2,8*byteLength)),val},Buffer.prototype.readIntBE=function(offset,byteLength,noAssert){offset|=0,byteLength|=0,noAssert||checkOffset(offset,byteLength,this.length);for(var i=byteLength,mul=1,val=this[offset+--i];i>0&&(mul*=256);)val+=this[offset+--i]*mul;return mul*=128,val>=mul&&(val-=Math.pow(2,8*byteLength)),val},Buffer.prototype.readInt8=function(offset,noAssert){return noAssert||checkOffset(offset,1,this.length),128&this[offset]?(255-this[offset]+1)*-1:this[offset]},Buffer.prototype.readInt16LE=function(offset,noAssert){noAssert||checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return 32768&val?4294901760|val:val},Buffer.prototype.readInt16BE=function(offset,noAssert){noAssert||checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return 32768&val?4294901760|val:val},Buffer.prototype.readInt32LE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24},Buffer.prototype.readInt32BE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]},Buffer.prototype.readFloatLE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),ieee754.read(this,offset,!0,23,4)},Buffer.prototype.readFloatBE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),ieee754.read(this,offset,!1,23,4)},Buffer.prototype.readDoubleLE=function(offset,noAssert){return noAssert||checkOffset(offset,8,this.length),ieee754.read(this,offset,!0,52,8)},Buffer.prototype.readDoubleBE=function(offset,noAssert){return noAssert||checkOffset(offset,8,this.length),ieee754.read(this,offset,!1,52,8)},Buffer.prototype.writeUIntLE=function(value,offset,byteLength,noAssert){if(value=+value,offset|=0,byteLength|=0,!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var mul=1,i=0;for(this[offset]=255&value;++i<byteLength&&(mul*=256);)this[offset+i]=value/mul&255;return offset+byteLength},Buffer.prototype.writeUIntBE=function(value,offset,byteLength,noAssert){if(value=+value,offset|=0,byteLength|=0,!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var i=byteLength-1,mul=1;for(this[offset+i]=255&value;--i>=0&&(mul*=256);)this[offset+i]=value/mul&255;return offset+byteLength},Buffer.prototype.writeUInt8=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,1,255,0),Buffer.TYPED_ARRAY_SUPPORT||(value=Math.floor(value)),this[offset]=255&value,offset+1},Buffer.prototype.writeUInt16LE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,2,65535,0),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=255&value,this[offset+1]=value>>>8):objectWriteUInt16(this,value,offset,!0),offset+2},Buffer.prototype.writeUInt16BE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,2,65535,0),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=value>>>8,this[offset+1]=255&value):objectWriteUInt16(this,value,offset,!1),offset+2},Buffer.prototype.writeUInt32LE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,4,4294967295,0),Buffer.TYPED_ARRAY_SUPPORT?(this[offset+3]=value>>>24,this[offset+2]=value>>>16,this[offset+1]=value>>>8,this[offset]=255&value):objectWriteUInt32(this,value,offset,!0),offset+4},Buffer.prototype.writeUInt32BE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,4,4294967295,0),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=value>>>24,this[offset+1]=value>>>16,this[offset+2]=value>>>8,this[offset+3]=255&value):objectWriteUInt32(this,value,offset,!1),offset+4},Buffer.prototype.writeIntLE=function(value,offset,byteLength,noAssert){if(value=+value,offset|=0,!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=0,mul=1,sub=0;for(this[offset]=255&value;++i<byteLength&&(mul*=256);)value<0&&0===sub&&0!==this[offset+i-1]&&(sub=1),this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength},Buffer.prototype.writeIntBE=function(value,offset,byteLength,noAssert){if(value=+value,offset|=0,!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=byteLength-1,mul=1,sub=0;for(this[offset+i]=255&value;--i>=0&&(mul*=256);)value<0&&0===sub&&0!==this[offset+i+1]&&(sub=1),this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength},Buffer.prototype.writeInt8=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,1,127,-128),Buffer.TYPED_ARRAY_SUPPORT||(value=Math.floor(value)),value<0&&(value=255+value+1),this[offset]=255&value,offset+1},Buffer.prototype.writeInt16LE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,2,32767,-32768),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=255&value,this[offset+1]=value>>>8):objectWriteUInt16(this,value,offset,!0),offset+2},Buffer.prototype.writeInt16BE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,2,32767,-32768),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=value>>>8,this[offset+1]=255&value):objectWriteUInt16(this,value,offset,!1),offset+2},Buffer.prototype.writeInt32LE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,4,2147483647,-2147483648),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=255&value,this[offset+1]=value>>>8,this[offset+2]=value>>>16,this[offset+3]=value>>>24):objectWriteUInt32(this,value,offset,!0),offset+4},Buffer.prototype.writeInt32BE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,4,2147483647,-2147483648),value<0&&(value=4294967295+value+1),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=value>>>24,this[offset+1]=value>>>16,this[offset+2]=value>>>8,this[offset+3]=255&value):objectWriteUInt32(this,value,offset,!1),offset+4},Buffer.prototype.writeFloatLE=function(value,offset,noAssert){return writeFloat(this,value,offset,!0,noAssert)},Buffer.prototype.writeFloatBE=function(value,offset,noAssert){return writeFloat(this,value,offset,!1,noAssert)},Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){return writeDouble(this,value,offset,!0,noAssert)},Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){return writeDouble(this,value,offset,!1,noAssert)},Buffer.prototype.copy=function(target,targetStart,start,end){if(start||(start=0),end||0===end||(end=this.length),targetStart>=target.length&&(targetStart=target.length),targetStart||(targetStart=0),end>0&&end<start&&(end=start),end===start)return 0;if(0===target.length||0===this.length)return 0;if(targetStart<0)throw new RangeError("targetStart out of bounds");if(start<0||start>=this.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("sourceEnd out of bounds");end>this.length&&(end=this.length),target.length-targetStart<end-start&&(end=target.length-targetStart+start);var i,len=end-start;if(this===target&&start<targetStart&&targetStart<end)for(i=len-1;i>=0;--i)target[i+targetStart]=this[i+start];else if(len<1e3||!Buffer.TYPED_ARRAY_SUPPORT)for(i=0;i<len;++i)target[i+targetStart]=this[i+start];else Uint8Array.prototype.set.call(target,this.subarray(start,start+len),targetStart);return len},Buffer.prototype.fill=function(val,start,end,encoding){if("string"==typeof val){if("string"==typeof start?(encoding=start,start=0,end=this.length):"string"==typeof end&&(encoding=end,end=this.length),1===val.length){var code=val.charCodeAt(0);code<256&&(val=code)}if(void 0!==encoding&&"string"!=typeof encoding)throw new TypeError("encoding must be a string");if("string"==typeof encoding&&!Buffer.isEncoding(encoding))throw new TypeError("Unknown encoding: "+encoding)}else"number"==typeof val&&(val&=255);if(start<0||this.length<start||this.length<end)throw new RangeError("Out of range index");if(end<=start)return this;start>>>=0,end=void 0===end?this.length:end>>>0,val||(val=0);var i;if("number"==typeof val)for(i=start;i<end;++i)this[i]=val;else{var bytes=Buffer.isBuffer(val)?val:utf8ToBytes(new Buffer(val,encoding).toString()),len=bytes.length;for(i=0;i<end-start;++i)this[i+start]=bytes[i%len]}return this};var INVALID_BASE64_RE=/[^+\/0-9A-Za-z-_]/g}).call(exports,__webpack_require__(0).Buffer,__webpack_require__(21))},function(module,exports,__webpack_require__){"use strict";(function(Buffer){exports=module.exports,exports.raw=new Buffer("00","hex"),exports.base1=new Buffer("01","hex"),exports.base2=new Buffer("55","hex"),exports.base8=new Buffer("07","hex"),exports.base10=new Buffer("09","hex"),exports.protobuf=new Buffer("50","hex"),exports.cbor=new Buffer("51","hex"),exports.rlp=new Buffer("60","hex"),exports.multicodec=new Buffer("30","hex"),exports.multihash=new Buffer("31","hex"),exports.multiaddr=new Buffer("32","hex"),exports.multibase=new Buffer("33","hex"),exports.sha1=new Buffer("11","hex"),exports["sha2-256"]=new Buffer("12","hex"),
exports["sha2-512"]=new Buffer("13","hex"),exports["sha3-224"]=new Buffer("17","hex"),exports["sha3-256"]=new Buffer("16","hex"),exports["sha3-384"]=new Buffer("15","hex"),exports["sha3-512"]=new Buffer("14","hex"),exports["shake-128"]=new Buffer("18","hex"),exports["shake-256"]=new Buffer("19","hex"),exports["keccak-224"]=new Buffer("1a","hex"),exports["keccak-256"]=new Buffer("1b","hex"),exports["keccak-384"]=new Buffer("1c","hex"),exports["keccak-512"]=new Buffer("1d","hex"),exports.blake2b=new Buffer("40","hex"),exports.blake2s=new Buffer("41","hex"),exports.ip4=new Buffer("04","hex"),exports.ip6=new Buffer("29","hex"),exports.tcp=new Buffer("06","hex"),exports.udp=new Buffer("0111","hex"),exports.dccp=new Buffer("21","hex"),exports.sctp=new Buffer("84","hex"),exports.udt=new Buffer("012d","hex"),exports.utp=new Buffer("012e","hex"),exports.ipfs=new Buffer("2a","hex"),exports.http=new Buffer("01e0","hex"),exports.https=new Buffer("01bb","hex"),exports.ws=new Buffer("01dd","hex"),exports.onion=new Buffer("01bc","hex"),exports["dag-pb"]=new Buffer("70","hex"),exports["dag-cbor"]=new Buffer("71","hex"),exports["eth-block"]=new Buffer("90","hex"),exports["eth-tx"]=new Buffer("91","hex"),exports["eth-account"]=new Buffer("92","hex"),exports["bitcoin-block"]=new Buffer("b0","hex"),exports["bitcoin-tx"]=new Buffer("b1","hex"),exports["stellar-block"]=new Buffer("d0","hex"),exports["stellar-tx"]=new Buffer("d1","hex")}).call(exports,__webpack_require__(0).Buffer)},function(module,exports,__webpack_require__){var basex=__webpack_require__(7),ALPHABET="123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";module.exports=basex(ALPHABET)},function(module,exports,__webpack_require__){"use strict";(function(Buffer){function bufferToNumber(buf){return parseInt(buf.toString("hex"),16)}function numberToBuffer(num){let hexString=num.toString(16);return hexString.length%2===1&&(hexString="0"+hexString),new Buffer(hexString,"hex")}function varintBufferEncode(input){return new Buffer(varint.encode(bufferToNumber(input)))}function varintBufferDecode(input){return numberToBuffer(varint.decode(input))}const varint=__webpack_require__(5);module.exports={numberToBuffer:numberToBuffer,bufferToNumber:bufferToNumber,varintBufferEncode:varintBufferEncode,varintBufferDecode:varintBufferDecode}}).call(exports,__webpack_require__(0).Buffer)},function(module,exports,__webpack_require__){"use strict";const baseTable=__webpack_require__(1),varintBufferEncode=__webpack_require__(3).varintBufferEncode,varintTable={};module.exports=varintTable;for(let encodingName in baseTable){let code=baseTable[encodingName];varintTable[encodingName]=varintBufferEncode(code)}},function(module,exports,__webpack_require__){module.exports={encode:__webpack_require__(19),decode:__webpack_require__(18),encodingLength:__webpack_require__(20)}},function(module,exports,__webpack_require__){"use strict";(function(Buffer){const mh=__webpack_require__(17),multibase=__webpack_require__(12),multicodec=__webpack_require__(14),codecs=__webpack_require__(1),codecVarints=__webpack_require__(4);class CID{constructor(version,codec,multihash){if("string"==typeof version)if(multibase.isEncoded(version)){const cid=multibase.decode(version);this.version=parseInt(cid.slice(0,1).toString("hex"),16),this.codec=multicodec.getCodec(cid.slice(1)),this.multihash=multicodec.rmPrefix(cid.slice(1))}else this.codec="dag-pb",this.multihash=mh.fromB58String(version),this.version=0;else if(Buffer.isBuffer(version)){const firstByte=version.slice(0,1),v=parseInt(firstByte.toString("hex"),16);if(0===v||1===v){const cid=version;this.version=v,this.codec=multicodec.getCodec(cid.slice(1)),this.multihash=multicodec.rmPrefix(cid.slice(1))}else this.codec="dag-pb",this.multihash=version,this.version=0}else if("number"==typeof version){if("string"!=typeof codec)throw new Error("codec must be string");if(0!==version&&1!==version)throw new Error("version must be a number equal to 0 or 1");mh.validate(multihash),this.codec=codec,this.version=version,this.multihash=multihash}}get buffer(){switch(this.version){case 0:return this.multihash;case 1:return Buffer.concat([Buffer("01","hex"),Buffer(codecVarints[this.codec]),this.multihash]);default:throw new Error("unsupported version")}}toV0(){return this.multihash}toV1(){return this.buffer}toBaseEncodedString(base){switch(base=base||"base58btc",this.version){case 0:return mh.toB58String(this.multihash);case 1:return multibase.encode(base,this.buffer).toString();default:throw new Error("Unsupported version")}}toJSON(){return{codec:this.codec,version:this.version,hash:this.multihash}}equals(other){return this.codec===other.codec&&this.version===other.version&&this.multihash.equals(other.multihash)}}CID.codecs=codecs,CID.isCID=(other=>{return"CID"===other.constructor.name}),module.exports=CID}).call(exports,__webpack_require__(0).Buffer)},function(module,exports){module.exports=function(ALPHABET){function encode(source){if(0===source.length)return"";for(var digits=[0],i=0;i<source.length;++i){for(var j=0,carry=source[i];j<digits.length;++j)carry+=digits[j]<<8,digits[j]=carry%BASE,carry=carry/BASE|0;for(;carry>0;)digits.push(carry%BASE),carry=carry/BASE|0}for(var string="",k=0;0===source[k]&&k<source.length-1;++k)string+=ALPHABET[0];for(var q=digits.length-1;q>=0;--q)string+=ALPHABET[digits[q]];return string}function decodeUnsafe(string){if(0===string.length)return[];for(var bytes=[0],i=0;i<string.length;i++){var value=ALPHABET_MAP[string[i]];if(void 0===value)return;for(var j=0,carry=value;j<bytes.length;++j)carry+=bytes[j]*BASE,bytes[j]=255&carry,carry>>=8;for(;carry>0;)bytes.push(255&carry),carry>>=8}for(var k=0;string[k]===LEADER&&k<string.length-1;++k)bytes.push(0);return bytes.reverse()}function decode(string){var array=decodeUnsafe(string);if(array)return array;throw new Error("Non-base"+BASE+" character")}for(var ALPHABET_MAP={},BASE=ALPHABET.length,LEADER=ALPHABET.charAt(0),i=0;i<ALPHABET.length;i++)ALPHABET_MAP[ALPHABET.charAt(i)]=i;return{encode:encode,decodeUnsafe:decodeUnsafe,decode:decode}}},function(module,exports){"use strict";function placeHoldersCount(b64){var len=b64.length;if(len%4>0)throw new Error("Invalid string. Length must be a multiple of 4");return"="===b64[len-2]?2:"="===b64[len-1]?1:0}function byteLength(b64){return 3*b64.length/4-placeHoldersCount(b64)}function toByteArray(b64){var i,j,l,tmp,placeHolders,arr,len=b64.length;placeHolders=placeHoldersCount(b64),arr=new Arr(3*len/4-placeHolders),l=placeHolders>0?len-4:len;var L=0;for(i=0,j=0;i<l;i+=4,j+=3)tmp=revLookup[b64.charCodeAt(i)]<<18|revLookup[b64.charCodeAt(i+1)]<<12|revLookup[b64.charCodeAt(i+2)]<<6|revLookup[b64.charCodeAt(i+3)],arr[L++]=tmp>>16&255,arr[L++]=tmp>>8&255,arr[L++]=255&tmp;return 2===placeHolders?(tmp=revLookup[b64.charCodeAt(i)]<<2|revLookup[b64.charCodeAt(i+1)]>>4,arr[L++]=255&tmp):1===placeHolders&&(tmp=revLookup[b64.charCodeAt(i)]<<10|revLookup[b64.charCodeAt(i+1)]<<4|revLookup[b64.charCodeAt(i+2)]>>2,arr[L++]=tmp>>8&255,arr[L++]=255&tmp),arr}function tripletToBase64(num){return lookup[num>>18&63]+lookup[num>>12&63]+lookup[num>>6&63]+lookup[63&num]}function encodeChunk(uint8,start,end){for(var tmp,output=[],i=start;i<end;i+=3)tmp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2],output.push(tripletToBase64(tmp));return output.join("")}function fromByteArray(uint8){for(var tmp,len=uint8.length,extraBytes=len%3,output="",parts=[],maxChunkLength=16383,i=0,len2=len-extraBytes;i<len2;i+=maxChunkLength)parts.push(encodeChunk(uint8,i,i+maxChunkLength>len2?len2:i+maxChunkLength));return 1===extraBytes?(tmp=uint8[len-1],output+=lookup[tmp>>2],output+=lookup[tmp<<4&63],output+="=="):2===extraBytes&&(tmp=(uint8[len-2]<<8)+uint8[len-1],output+=lookup[tmp>>10],output+=lookup[tmp>>4&63],output+=lookup[tmp<<2&63],output+="="),parts.push(output),parts.join("")}exports.byteLength=byteLength,exports.toByteArray=toByteArray,exports.fromByteArray=fromByteArray;for(var lookup=[],revLookup=[],Arr="undefined"!=typeof Uint8Array?Uint8Array:Array,code="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",i=0,len=code.length;i<len;++i)lookup[i]=code[i],revLookup[code.charCodeAt(i)]=i;revLookup["-".charCodeAt(0)]=62,revLookup["_".charCodeAt(0)]=63},function(module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m,eLen=8*nBytes-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,nBits=-7,i=isLE?nBytes-1:0,d=isLE?-1:1,s=buffer[offset+i];for(i+=d,e=s&(1<<-nBits)-1,s>>=-nBits,nBits+=eLen;nBits>0;e=256*e+buffer[offset+i],i+=d,nBits-=8);for(m=e&(1<<-nBits)-1,e>>=-nBits,nBits+=mLen;nBits>0;m=256*m+buffer[offset+i],i+=d,nBits-=8);if(0===e)e=1-eBias;else{if(e===eMax)return m?NaN:(s?-1:1)*(1/0);m+=Math.pow(2,mLen),e-=eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)},exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c,eLen=8*nBytes-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,rt=23===mLen?Math.pow(2,-24)-Math.pow(2,-77):0,i=isLE?0:nBytes-1,d=isLE?1:-1,s=value<0||0===value&&1/value<0?1:0;for(value=Math.abs(value),isNaN(value)||value===1/0?(m=isNaN(value)?1:0,e=eMax):(e=Math.floor(Math.log(value)/Math.LN2),value*(c=Math.pow(2,-e))<1&&(e--,c*=2),value+=e+eBias>=1?rt/c:rt*Math.pow(2,1-eBias),value*c>=2&&(e++,c/=2),e+eBias>=eMax?(m=0,e=eMax):e+eBias>=1?(m=(value*c-1)*Math.pow(2,mLen),e+=eBias):(m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen),e=0));mLen>=8;buffer[offset+i]=255&m,i+=d,m/=256,mLen-=8);for(e=e<<mLen|m,eLen+=mLen;eLen>0;buffer[offset+i]=255&e,i+=d,e/=256,eLen-=8);buffer[offset+i-d]|=128*s}},function(module,exports){var toString={}.toString;module.exports=Array.isArray||function(arr){return"[object Array]"==toString.call(arr)}},function(module,exports){"use strict";var constants=[["base1","1"],["base2","0"],["base8","7"],["base10","9"],["base16","f"],["base58flickr","Z"],["base58btc","z"],["base64","y"],["base64url","Y"]],names=constants.reduce(function(prev,tupple){return prev[tupple[0]]=tupple[1],prev},{}),codes=constants.reduce(function(prev,tupple){return prev[tupple[1]]=tupple[0],prev},{});module.exports={names:names,codes:codes}},function(module,exports,__webpack_require__){"use strict";exports=module.exports=__webpack_require__(13)},function(module,exports,__webpack_require__){"use strict";(function(Buffer){function multibase(nameOrCode,buf){if(!buf)throw new Error("requires an encoded buffer");var code=getCode(nameOrCode),codeBuf=new Buffer(code),name=getName(nameOrCode);return validEncode(name,buf),Buffer.concat([codeBuf,buf])}function encode(nameOrCode,buf){var name=getName(nameOrCode),encode=void 0;switch(name){case"base58btc":encode=function(buf){return new Buffer(bs58.encode(buf))};break;default:throw errNotSupported}return multibase(name,encode(buf))}function decode(bufOrString){Buffer.isBuffer(bufOrString)&&(bufOrString=bufOrString.toString());var code=bufOrString.substring(0,1);bufOrString=bufOrString.substring(1,bufOrString.length),"string"==typeof bufOrString&&(bufOrString=new Buffer(bufOrString));var decode=void 0;switch(code){case"z":decode=function(buf){return new Buffer(bs58.decode(buf.toString()))};break;default:throw errNotSupported}return decode(bufOrString)}function isEncoded(bufOrString){Buffer.isBuffer(bufOrString)&&(bufOrString=bufOrString.toString());var code=bufOrString.substring(0,1);try{var name=getName(code);return name}catch(err){return!1}}function validNameOrCode(nameOrCode){var err=new Error("Unsupported encoding");if(!constants.names[nameOrCode]&&!constants.codes[nameOrCode])throw err}function validEncode(name,buf){var decode=void 0;switch(name){case"base58btc":decode=bs58.decode,buf=buf.toString();break;default:throw errNotSupported}decode(buf)}function getCode(nameOrCode){validNameOrCode(nameOrCode);var code=nameOrCode;return constants.names[nameOrCode]&&(code=constants.names[nameOrCode]),code}function getName(nameOrCode){validNameOrCode(nameOrCode);var name=nameOrCode;return constants.codes[nameOrCode]&&(name=constants.codes[nameOrCode]),name}var constants=__webpack_require__(11),bs58=__webpack_require__(2);exports=module.exports=multibase,exports.encode=encode,exports.decode=decode,exports.isEncoded=isEncoded;var errNotSupported=new Error("Unsupported encoding")}).call(exports,__webpack_require__(0).Buffer)},function(module,exports,__webpack_require__){"use strict";(function(Buffer){const varint=__webpack_require__(5),codecNameToCodeVarint=__webpack_require__(4),codeToCodecName=__webpack_require__(15),util=__webpack_require__(3);exports=module.exports,exports.addPrefix=((multicodecStrOrCode,data)=>{let prefix;if(Buffer.isBuffer(multicodecStrOrCode))prefix=util.varintBufferEncode(multicodecStrOrCode);else{if(!codecNameToCodeVarint[multicodecStrOrCode])throw new Error("multicodec not recognized");prefix=codecNameToCodeVarint[multicodecStrOrCode]}return Buffer.concat([prefix,data])}),exports.rmPrefix=(data=>{return varint.decode(data),data.slice(varint.decode.bytes)}),exports.getCodec=(prefixedData=>{const code=util.varintBufferDecode(prefixedData),codecName=codeToCodecName[code.toString("hex")];return codecName})}).call(exports,__webpack_require__(0).Buffer)},function(module,exports,__webpack_require__){"use strict";const baseTable=__webpack_require__(1),nameTable={};module.exports=nameTable;for(let encodingName in baseTable){let code=baseTable[encodingName];nameTable[code.toString("hex")]=encodingName}},function(module,exports){"use strict";exports.names={sha1:17,"sha2-256":18,"sha2-512":19,"sha3-224":23,"sha3-256":22,"sha3-384":21,"sha3-512":20,"shake-128":24,"shake-256":25,"keccak-224":26,"keccak-256":27,"keccak-384":28,"keccak-512":29,blake2b:64,blake2s:65},exports.codes={17:"sha1",18:"sha2-256",19:"sha2-512",23:"sha3-224",22:"sha3-256",21:"sha3-384",20:"sha3-512",24:"shake-128",25:"shake-256",26:"keccak-224",27:"keccak-256",28:"keccak-384",29:"keccak-512",64:"blake2b",65:"blake2s"},exports.defaultLengths={17:20,18:32,19:64,23:28,22:32,21:48,20:64,24:32,25:64,26:28,27:32,28:48,29:64,64:64,65:32}},function(module,exports,__webpack_require__){"use strict";(function(Buffer){const bs58=__webpack_require__(2),cs=__webpack_require__(16);exports.toHexString=function(m){if(!Buffer.isBuffer(m))throw new Error("must be passed a buffer");return m.toString("hex")},exports.fromHexString=function(s){return new Buffer(s,"hex")},exports.toB58String=function(m){if(!Buffer.isBuffer(m))throw new Error("must be passed a buffer");return bs58.encode(m)},exports.fromB58String=function(s){let encoded=s;return Buffer.isBuffer(s)&&(encoded=s.toString()),new Buffer(bs58.decode(encoded))},exports.decode=function(buf){exports.validate(buf);const code=buf[0];return{code:code,name:cs.codes[code],length:buf[1],digest:buf.slice(2)}},exports.encode=function(digest,code,length){if(!digest||!code)throw new Error("multihash encode requires at least two args: digest, code");const hashfn=exports.coerceCode(code);if(!Buffer.isBuffer(digest))throw new Error("digest should be a Buffer");if(null==length&&(length=digest.length),length&&digest.length!==length)throw new Error("digest length should be equal to specified length.");if(length>127)throw new Error("multihash does not yet support digest lengths greater than 127 bytes.");return Buffer.concat([new Buffer([hashfn,length]),digest])},exports.coerceCode=function(name){let code=name;if("string"==typeof name){if(!cs.names[name])throw new Error(`Unrecognized hash function named: ${name}`);code=cs.names[name]}if("number"!=typeof code)throw new Error(`Hash function code should be a number. Got: ${code}`);if(!cs.codes[code]&&!exports.isAppCode(code))throw new Error(`Unrecognized function code: ${code}`);return code},exports.isAppCode=function(code){return code>0&&code<16},exports.isValidCode=function(code){return!!exports.isAppCode(code)||!!cs.codes[code]},exports.validate=function(multihash){if(!Buffer.isBuffer(multihash))throw new Error("multihash must be a Buffer");if(multihash.length<3)throw new Error("multihash too short. must be > 3 bytes.");if(multihash.length>129)throw new Error("multihash too long. must be < 129 bytes.");let code=multihash[0];if(!exports.isValidCode(code))throw new Error(`multihash unknown function code: 0x${code.toString(16)}`);if(multihash.slice(2).length!==multihash[1])throw new Error(`multihash length inconsistent: 0x${multihash.toString("hex")}`)}}).call(exports,__webpack_require__(0).Buffer)},function(module,exports){function read(buf,offset){var b,res=0,offset=offset||0,shift=0,counter=offset,l=buf.length;do{if(counter>=l)return read.bytes=0,void(read.bytesRead=0);b=buf[counter++],res+=shift<28?(b&REST)<<shift:(b&REST)*Math.pow(2,shift),shift+=7}while(b>=MSB);return read.bytes=counter-offset,res}module.exports=read;var MSB=128,REST=127},function(module,exports){function encode(num,out,offset){out=out||[],offset=offset||0;for(var oldOffset=offset;num>=INT;)out[offset++]=255&num|MSB,num/=128;for(;num&MSBALL;)out[offset++]=255&num|MSB,num>>>=7;return out[offset]=0|num,encode.bytes=offset-oldOffset+1,out}module.exports=encode;var MSB=128,REST=127,MSBALL=~REST,INT=Math.pow(2,31)},function(module,exports){var N1=Math.pow(2,7),N2=Math.pow(2,14),N3=Math.pow(2,21),N4=Math.pow(2,28),N5=Math.pow(2,35),N6=Math.pow(2,42),N7=Math.pow(2,49),N8=Math.pow(2,56),N9=Math.pow(2,63);module.exports=function(value){return value<N1?1:value<N2?2:value<N3?3:value<N4?4:value<N5?5:value<N6?6:value<N7?7:value<N8?8:value<N9?9:10}},function(module,exports){var g;g=function(){return this}();try{g=g||Function("return this")()||(0,eval)("this")}catch(e){"object"==typeof window&&(g=window)}module.exports=g},function(module,exports,__webpack_require__){module.exports=__webpack_require__(6)}]);
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0===start&&end===buf.length?base64.fromByteArray(buf):base64.fromByteArray(buf.slice(start,end))}function utf8Slice(buf,start,end){end=Math.min(buf.length,end);for(var res=[],i=start;i<end;){var firstByte=buf[i],codePoint=null,bytesPerSequence=firstByte>239?4:firstByte>223?3:firstByte>191?2:1;if(i+bytesPerSequence<=end){var secondByte,thirdByte,fourthByte,tempCodePoint;switch(bytesPerSequence){case 1:firstByte<128&&(codePoint=firstByte);break;case 2:secondByte=buf[i+1],128===(192&secondByte)&&(tempCodePoint=(31&firstByte)<<6|63&secondByte,tempCodePoint>127&&(codePoint=tempCodePoint));break;case 3:secondByte=buf[i+1],thirdByte=buf[i+2],128===(192&secondByte)&&128===(192&thirdByte)&&(tempCodePoint=(15&firstByte)<<12|(63&secondByte)<<6|63&thirdByte,tempCodePoint>2047&&(tempCodePoint<55296||tempCodePoint>57343)&&(codePoint=tempCodePoint));break;case 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objectWriteUInt16(buf,value,offset,littleEndian){value<0&&(value=65535+value+1);for(var i=0,j=Math.min(buf.length-offset,2);i<j;++i)buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>8*(littleEndian?i:1-i)}function objectWriteUInt32(buf,value,offset,littleEndian){value<0&&(value=4294967295+value+1);for(var i=0,j=Math.min(buf.length-offset,4);i<j;++i)buf[offset+i]=value>>>8*(littleEndian?i:3-i)&255}function checkIEEE754(buf,value,offset,ext,max,min){if(offset+ext>buf.length)throw new RangeError("Index out of range");if(offset<0)throw new RangeError("Index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){return noAssert||checkIEEE754(buf,value,offset,4,3.4028234663852886e38,-3.4028234663852886e38),ieee754.write(buf,value,offset,littleEndian,23,4),offset+4}function writeDouble(buf,value,offset,littleEndian,noAssert){return noAssert||checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308),ieee754.write(buf,value,offset,littleEndian,52,8),offset+8}function base64clean(str){if(str=stringtrim(str).replace(INVALID_BASE64_RE,""),str.length<2)return"";for(;str.length%4!==0;)str+="=";return str}function stringtrim(str){return str.trim?str.trim():str.replace(/^\s+|\s+$/g,"")}function toHex(n){return n<16?"0"+n.toString(16):n.toString(16)}function utf8ToBytes(string,units){units=units||1/0;for(var codePoint,length=string.length,leadSurrogate=null,bytes=[],i=0;i<length;++i){if(codePoint=string.charCodeAt(i),codePoint>55295&&codePoint<57344){if(!leadSurrogate){if(codePoint>56319){(units-=3)>-1&&bytes.push(239,191,189);continue}if(i+1===length){(units-=3)>-1&&bytes.push(239,191,189);continue}leadSurrogate=codePoint;continue}if(codePoint<56320){(units-=3)>-1&&bytes.push(239,191,189),leadSurrogate=codePoint;continue}codePoint=(leadSurrogate-55296<<10|codePoint-56320)+65536}else leadSurrogate&&(units-=3)>-1&&bytes.push(239,191,189);if(leadSurrogate=null,codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,63&codePoint|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,63&codePoint|128)}else{if(!(codePoint<1114112))throw new Error("Invalid code point");if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,63&codePoint|128)}}return bytes}function asciiToBytes(str){for(var byteArray=[],i=0;i<str.length;++i)byteArray.push(255&str.charCodeAt(i));return byteArray}function utf16leToBytes(str,units){for(var c,hi,lo,byteArray=[],i=0;i<str.length&&!((units-=2)<0);++i)c=str.charCodeAt(i),hi=c>>8,lo=c%256,byteArray.push(lo),byteArray.push(hi);return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length){for(var i=0;i<length&&!(i+offset>=dst.length||i>=src.length);++i)dst[i+offset]=src[i];return i}function isnan(val){return val!==val}var base64=__webpack_require__(9),ieee754=__webpack_require__(10),isArray=__webpack_require__(11);exports.Buffer=Buffer,exports.SlowBuffer=SlowBuffer,exports.INSPECT_MAX_BYTES=50,Buffer.TYPED_ARRAY_SUPPORT=void 0!==global.TYPED_ARRAY_SUPPORT?global.TYPED_ARRAY_SUPPORT:typedArraySupport(),exports.kMaxLength=kMaxLength(),Buffer.poolSize=8192,Buffer._augment=function(arr){return arr.__proto__=Buffer.prototype,arr},Buffer.from=function(value,encodingOrOffset,length){return from(null,value,encodingOrOffset,length)},Buffer.TYPED_ARRAY_SUPPORT&&(Buffer.prototype.__proto__=Uint8Array.prototype,Buffer.__proto__=Uint8Array,"undefined"!=typeof Symbol&&Symbol.species&&Buffer[Symbol.species]===Buffer&&Object.defineProperty(Buffer,Symbol.species,{value:null,configurable:!0})),Buffer.alloc=function(size,fill,encoding){return alloc(null,size,fill,encoding)},Buffer.allocUnsafe=function(size){return allocUnsafe(null,size)},Buffer.allocUnsafeSlow=function(size){return allocUnsafe(null,size)},Buffer.isBuffer=function(b){return!(null==b||!b._isBuffer)},Buffer.compare=function(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b))throw new TypeError("Arguments must be Buffers");if(a===b)return 0;for(var x=a.length,y=b.length,i=0,len=Math.min(x,y);i<len;++i)if(a[i]!==b[i]){x=a[i],y=b[i];break}return x<y?-1:y<x?1:0},Buffer.isEncoding=function(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"latin1":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return!0;default:return!1}},Buffer.concat=function(list,length){if(!isArray(list))throw new TypeError('"list" argument must be an Array of Buffers');if(0===list.length)return Buffer.alloc(0);var i;if(void 0===length)for(length=0,i=0;i<list.length;++i)length+=list[i].length;var buffer=Buffer.allocUnsafe(length),pos=0;for(i=0;i<list.length;++i){var buf=list[i];if(!Buffer.isBuffer(buf))throw new TypeError('"list" argument must be an Array of Buffers');buf.copy(buffer,pos),pos+=buf.length}return buffer},Buffer.byteLength=byteLength,Buffer.prototype._isBuffer=!0,Buffer.prototype.swap16=function(){var len=this.length;if(len%2!==0)throw new RangeError("Buffer size must be a multiple of 16-bits");for(var i=0;i<len;i+=2)swap(this,i,i+1);return this},Buffer.prototype.swap32=function(){var len=this.length;if(len%4!==0)throw new RangeError("Buffer size must be a multiple of 32-bits");for(var i=0;i<len;i+=4)swap(this,i,i+3),swap(this,i+1,i+2);return this},Buffer.prototype.swap64=function(){var len=this.length;if(len%8!==0)throw new RangeError("Buffer size must be a multiple of 64-bits");for(var i=0;i<len;i+=8)swap(this,i,i+7),swap(this,i+1,i+6),swap(this,i+2,i+5),swap(this,i+3,i+4);return this},Buffer.prototype.toString=function(){var length=0|this.length;return 0===length?"":0===arguments.length?utf8Slice(this,0,length):slowToString.apply(this,arguments)},Buffer.prototype.equals=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return this===b||0===Buffer.compare(this,b)},Buffer.prototype.inspect=function(){var str="",max=exports.INSPECT_MAX_BYTES;return this.length>0&&(str=this.toString("hex",0,max).match(/.{2}/g).join(" "),this.length>max&&(str+=" ... ")),"<Buffer "+str+">"},Buffer.prototype.compare=function(target,start,end,thisStart,thisEnd){if(!Buffer.isBuffer(target))throw new TypeError("Argument must be a Buffer");if(void 0===start&&(start=0),void 0===end&&(end=target?target.length:0),void 0===thisStart&&(thisStart=0),void 0===thisEnd&&(thisEnd=this.length),start<0||end>target.length||thisStart<0||thisEnd>this.length)throw new RangeError("out of range index");if(thisStart>=thisEnd&&start>=end)return 0;if(thisStart>=thisEnd)return-1;if(start>=end)return 1;if(start>>>=0,end>>>=0,thisStart>>>=0,thisEnd>>>=0,this===target)return 0;for(var x=thisEnd-thisStart,y=end-start,len=Math.min(x,y),thisCopy=this.slice(thisStart,thisEnd),targetCopy=target.slice(start,end),i=0;i<len;++i)if(thisCopy[i]!==targetCopy[i]){x=thisCopy[i],y=targetCopy[i];break}return x<y?-1:y<x?1:0},Buffer.prototype.includes=function(val,byteOffset,encoding){return this.indexOf(val,byteOffset,encoding)!==-1},Buffer.prototype.indexOf=function(val,byteOffset,encoding){return bidirectionalIndexOf(this,val,byteOffset,encoding,!0)},Buffer.prototype.lastIndexOf=function(val,byteOffset,encoding){return bidirectionalIndexOf(this,val,byteOffset,encoding,!1)},Buffer.prototype.write=function(string,offset,length,encoding){if(void 0===offset)encoding="utf8",length=this.length,offset=0;else if(void 0===length&&"string"==typeof offset)encoding=offset,length=this.length,offset=0;else{if(!isFinite(offset))throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported");offset|=0,isFinite(length)?(length|=0,void 0===encoding&&(encoding="utf8")):(encoding=length,length=void 0)}var remaining=this.length-offset;if((void 0===length||length>remaining)&&(length=remaining),string.length>0&&(length<0||offset<0)||offset>this.length)throw new RangeError("Attempt to write outside buffer bounds");encoding||(encoding="utf8");for(var loweredCase=!1;;)switch(encoding){case"hex":return hexWrite(this,string,offset,length);case"utf8":case"utf-8":return utf8Write(this,string,offset,length);case"ascii":return asciiWrite(this,string,offset,length);case"latin1":case"binary":return latin1Write(this,string,offset,length);case"base64":return base64Write(this,string,offset,length);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return ucs2Write(this,string,offset,length);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(""+encoding).toLowerCase(),loweredCase=!0}},Buffer.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};var MAX_ARGUMENTS_LENGTH=4096;Buffer.prototype.slice=function(start,end){var len=this.length;start=~~start,end=void 0===end?len:~~end,start<0?(start+=len,start<0&&(start=0)):start>len&&(start=len),end<0?(end+=len,end<0&&(end=0)):end>len&&(end=len),end<start&&(end=start);var newBuf;if(Buffer.TYPED_ARRAY_SUPPORT)newBuf=this.subarray(start,end),newBuf.__proto__=Buffer.prototype;else{var sliceLen=end-start;newBuf=new Buffer(sliceLen,void 0);for(var i=0;i<sliceLen;++i)newBuf[i]=this[i+start]}return newBuf},Buffer.prototype.readUIntLE=function(offset,byteLength,noAssert){offset|=0,byteLength|=0,noAssert||checkOffset(offset,byteLength,this.length);for(var val=this[offset],mul=1,i=0;++i<byteLength&&(mul*=256);)val+=this[offset+i]*mul;return val},Buffer.prototype.readUIntBE=function(offset,byteLength,noAssert){offset|=0,byteLength|=0,noAssert||checkOffset(offset,byteLength,this.length);for(var val=this[offset+--byteLength],mul=1;byteLength>0&&(mul*=256);)val+=this[offset+--byteLength]*mul;return val},Buffer.prototype.readUInt8=function(offset,noAssert){return noAssert||checkOffset(offset,1,this.length),this[offset]},Buffer.prototype.readUInt16LE=function(offset,noAssert){return noAssert||checkOffset(offset,2,this.length),this[offset]|this[offset+1]<<8},Buffer.prototype.readUInt16BE=function(offset,noAssert){return noAssert||checkOffset(offset,2,this.length),this[offset]<<8|this[offset+1]},Buffer.prototype.readUInt32LE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+16777216*this[offset+3]},Buffer.prototype.readUInt32BE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),16777216*this[offset]+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])},Buffer.prototype.readIntLE=function(offset,byteLength,noAssert){offset|=0,byteLength|=0,noAssert||checkOffset(offset,byteLength,this.length);for(var val=this[offset],mul=1,i=0;++i<byteLength&&(mul*=256);)val+=this[offset+i]*mul;return mul*=128,val>=mul&&(val-=Math.pow(2,8*byteLength)),val},Buffer.prototype.readIntBE=function(offset,byteLength,noAssert){offset|=0,byteLength|=0,noAssert||checkOffset(offset,byteLength,this.length);for(var i=byteLength,mul=1,val=this[offset+--i];i>0&&(mul*=256);)val+=this[offset+--i]*mul;return mul*=128,val>=mul&&(val-=Math.pow(2,8*byteLength)),val},Buffer.prototype.readInt8=function(offset,noAssert){return noAssert||checkOffset(offset,1,this.length),128&this[offset]?(255-this[offset]+1)*-1:this[offset]},Buffer.prototype.readInt16LE=function(offset,noAssert){noAssert||checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return 32768&val?4294901760|val:val},Buffer.prototype.readInt16BE=function(offset,noAssert){noAssert||checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return 32768&val?4294901760|val:val},Buffer.prototype.readInt32LE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24},Buffer.prototype.readInt32BE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]},Buffer.prototype.readFloatLE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),ieee754.read(this,offset,!0,23,4)},Buffer.prototype.readFloatBE=function(offset,noAssert){return noAssert||checkOffset(offset,4,this.length),ieee754.read(this,offset,!1,23,4)},Buffer.prototype.readDoubleLE=function(offset,noAssert){return noAssert||checkOffset(offset,8,this.length),ieee754.read(this,offset,!0,52,8)},Buffer.prototype.readDoubleBE=function(offset,noAssert){return noAssert||checkOffset(offset,8,this.length),ieee754.read(this,offset,!1,52,8)},Buffer.prototype.writeUIntLE=function(value,offset,byteLength,noAssert){if(value=+value,offset|=0,byteLength|=0,!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var mul=1,i=0;for(this[offset]=255&value;++i<byteLength&&(mul*=256);)this[offset+i]=value/mul&255;return offset+byteLength},Buffer.prototype.writeUIntBE=function(value,offset,byteLength,noAssert){if(value=+value,offset|=0,byteLength|=0,!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var i=byteLength-1,mul=1;for(this[offset+i]=255&value;--i>=0&&(mul*=256);)this[offset+i]=value/mul&255;return offset+byteLength},Buffer.prototype.writeUInt8=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,1,255,0),Buffer.TYPED_ARRAY_SUPPORT||(value=Math.floor(value)),this[offset]=255&value,offset+1},Buffer.prototype.writeUInt16LE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,2,65535,0),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=255&value,this[offset+1]=value>>>8):objectWriteUInt16(this,value,offset,!0),offset+2},Buffer.prototype.writeUInt16BE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,2,65535,0),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=value>>>8,this[offset+1]=255&value):objectWriteUInt16(this,value,offset,!1),offset+2},Buffer.prototype.writeUInt32LE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,4,4294967295,0),Buffer.TYPED_ARRAY_SUPPORT?(this[offset+3]=value>>>24,this[offset+2]=value>>>16,this[offset+1]=value>>>8,this[offset]=255&value):objectWriteUInt32(this,value,offset,!0),offset+4},Buffer.prototype.writeUInt32BE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,4,4294967295,0),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=value>>>24,this[offset+1]=value>>>16,this[offset+2]=value>>>8,this[offset+3]=255&value):objectWriteUInt32(this,value,offset,!1),offset+4},Buffer.prototype.writeIntLE=function(value,offset,byteLength,noAssert){if(value=+value,offset|=0,!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=0,mul=1,sub=0;for(this[offset]=255&value;++i<byteLength&&(mul*=256);)value<0&&0===sub&&0!==this[offset+i-1]&&(sub=1),this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength},Buffer.prototype.writeIntBE=function(value,offset,byteLength,noAssert){if(value=+value,offset|=0,!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=byteLength-1,mul=1,sub=0;for(this[offset+i]=255&value;--i>=0&&(mul*=256);)value<0&&0===sub&&0!==this[offset+i+1]&&(sub=1),this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength},Buffer.prototype.writeInt8=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,1,127,-128),Buffer.TYPED_ARRAY_SUPPORT||(value=Math.floor(value)),value<0&&(value=255+value+1),this[offset]=255&value,offset+1},Buffer.prototype.writeInt16LE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,2,32767,-32768),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=255&value,this[offset+1]=value>>>8):objectWriteUInt16(this,value,offset,!0),offset+2},Buffer.prototype.writeInt16BE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,2,32767,-32768),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=value>>>8,this[offset+1]=255&value):objectWriteUInt16(this,value,offset,!1),offset+2},Buffer.prototype.writeInt32LE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,4,2147483647,-2147483648),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=255&value,this[offset+1]=value>>>8,this[offset+2]=value>>>16,this[offset+3]=value>>>24):objectWriteUInt32(this,value,offset,!0),offset+4},Buffer.prototype.writeInt32BE=function(value,offset,noAssert){return value=+value,offset|=0,noAssert||checkInt(this,value,offset,4,2147483647,-2147483648),value<0&&(value=4294967295+value+1),Buffer.TYPED_ARRAY_SUPPORT?(this[offset]=value>>>24,this[offset+1]=value>>>16,this[offset+2]=value>>>8,this[offset+3]=255&value):objectWriteUInt32(this,value,offset,!1),offset+4},Buffer.prototype.writeFloatLE=function(value,offset,noAssert){return writeFloat(this,value,offset,!0,noAssert)},Buffer.prototype.writeFloatBE=function(value,offset,noAssert){return writeFloat(this,value,offset,!1,noAssert)},Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){return writeDouble(this,value,offset,!0,noAssert)},Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){return writeDouble(this,value,offset,!1,noAssert)},Buffer.prototype.copy=function(target,targetStart,start,end){if(start||(start=0),end||0===end||(end=this.length),targetStart>=target.length&&(targetStart=target.length),targetStart||(targetStart=0),end>0&&end<start&&(end=start),end===start)return 0;if(0===target.length||0===this.length)return 0;if(targetStart<0)throw new RangeError("targetStart out of bounds");if(start<0||start>=this.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("sourceEnd out of bounds");end>this.length&&(end=this.length),target.length-targetStart<end-start&&(end=target.length-targetStart+start);var i,len=end-start;if(this===target&&start<targetStart&&targetStart<end)for(i=len-1;i>=0;--i)target[i+targetStart]=this[i+start];else if(len<1e3||!Buffer.TYPED_ARRAY_SUPPORT)for(i=0;i<len;++i)target[i+targetStart]=this[i+start];else Uint8Array.prototype.set.call(target,this.subarray(start,start+len),targetStart);return len},Buffer.prototype.fill=function(val,start,end,encoding){if("string"==typeof val){if("string"==typeof start?(encoding=start,start=0,end=this.length):"string"==typeof end&&(encoding=end,end=this.length),1===val.length){var code=val.charCodeAt(0);code<256&&(val=code)}if(void 0!==encoding&&"string"!=typeof encoding)throw new TypeError("encoding must be a string");if("string"==typeof encoding&&!Buffer.isEncoding(encoding))throw new TypeError("Unknown encoding: "+encoding)}else"number"==typeof val&&(val&=255);if(start<0||this.length<start||this.length<end)throw new RangeError("Out of range index");if(end<=start)return this;start>>>=0,end=void 0===end?this.length:end>>>0,val||(val=0);var i;if("number"==typeof val)for(i=start;i<end;++i)this[i]=val;else{var bytes=Buffer.isBuffer(val)?val:utf8ToBytes(new Buffer(val,encoding).toString()),len=bytes.length;for(i=0;i<end-start;++i)this[i+start]=bytes[i%len]}return this};var INVALID_BASE64_RE=/[^+\/0-9A-Za-z-_]/g}).call(exports,__webpack_require__(21))},function(module,exports,__webpack_require__){"use strict";(function(Buffer){exports=module.exports,exports.raw=new Buffer("00","hex"),exports.base1=new Buffer("01","hex"),exports.base2=new Buffer("55","hex"),exports.base8=new Buffer("07","hex"),exports.base10=new Buffer("09","hex"),exports.protobuf=new Buffer("50","hex"),exports.cbor=new Buffer("51","hex"),exports.rlp=new Buffer("60","hex"),exports.multicodec=new Buffer("30","hex"),exports.multihash=new Buffer("31","hex"),exports.multiaddr=new Buffer("32","hex"),exports.multibase=new Buffer("33","hex"),exports.sha1=new Buffer("11","hex"),exports["sha2-256"]=new Buffer("12","hex"),
exports["sha2-512"]=new Buffer("13","hex"),exports["sha3-224"]=new Buffer("17","hex"),exports["sha3-256"]=new Buffer("16","hex"),exports["sha3-384"]=new Buffer("15","hex"),exports["sha3-512"]=new Buffer("14","hex"),exports["shake-128"]=new Buffer("18","hex"),exports["shake-256"]=new Buffer("19","hex"),exports["keccak-224"]=new Buffer("1a","hex"),exports["keccak-256"]=new Buffer("1b","hex"),exports["keccak-384"]=new Buffer("1c","hex"),exports["keccak-512"]=new Buffer("1d","hex"),exports.blake2b=new Buffer("40","hex"),exports.blake2s=new Buffer("41","hex"),exports.ip4=new Buffer("04","hex"),exports.ip6=new Buffer("29","hex"),exports.tcp=new Buffer("06","hex"),exports.udp=new Buffer("0111","hex"),exports.dccp=new Buffer("21","hex"),exports.sctp=new Buffer("84","hex"),exports.udt=new Buffer("012d","hex"),exports.utp=new Buffer("012e","hex"),exports.ipfs=new Buffer("2a","hex"),exports.http=new Buffer("01e0","hex"),exports.https=new Buffer("01bb","hex"),exports.ws=new Buffer("01dd","hex"),exports.onion=new Buffer("01bc","hex"),exports["dag-pb"]=new Buffer("70","hex"),exports["dag-cbor"]=new Buffer("71","hex"),exports["eth-block"]=new Buffer("90","hex"),exports["eth-tx"]=new Buffer("91","hex"),exports["eth-account"]=new Buffer("92","hex"),exports["bitcoin-block"]=new Buffer("b0","hex"),exports["bitcoin-tx"]=new Buffer("b1","hex"),exports["stellar-block"]=new Buffer("d0","hex"),exports["stellar-tx"]=new Buffer("d1","hex")}).call(exports,__webpack_require__(0).Buffer)},function(module,exports,__webpack_require__){var basex=__webpack_require__(8),ALPHABET="123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";module.exports=basex(ALPHABET)},function(module,exports,__webpack_require__){"use strict";(function(Buffer){function bufferToNumber(buf){return parseInt(buf.toString("hex"),16)}function numberToBuffer(num){let hexString=num.toString(16);return hexString.length%2===1&&(hexString="0"+hexString),new Buffer(hexString,"hex")}function varintBufferEncode(input){return new Buffer(varint.encode(bufferToNumber(input)))}function varintBufferDecode(input){return numberToBuffer(varint.decode(input))}const varint=__webpack_require__(6);module.exports={numberToBuffer:numberToBuffer,bufferToNumber:bufferToNumber,varintBufferEncode:varintBufferEncode,varintBufferDecode:varintBufferDecode}}).call(exports,__webpack_require__(0).Buffer)},function(module,exports,__webpack_require__){"use strict";const baseTable=__webpack_require__(1),varintBufferEncode=__webpack_require__(3).varintBufferEncode,varintTable={};module.exports=varintTable;for(let encodingName in baseTable){let code=baseTable[encodingName];varintTable[encodingName]=varintBufferEncode(code)}},function(module,exports,__webpack_require__){"use strict";(function(Buffer){function validate(multihash){if(!Buffer.isBuffer(multihash))throw new Error("multihash must be a Buffer");if(multihash.length<3)throw new Error("multihash too short. must be > 3 bytes.");if(multihash.length>129)throw new Error("multihash too long. must be < 129 bytes.");let code=multihash[0];if(!exports.isValidCode(code))throw new Error(`multihash unknown function code: 0x${code.toString(16)}`);if(multihash.slice(2).length!==multihash[1])throw new Error(`multihash length inconsistent: 0x${multihash.toString("hex")}`)}const bs58=__webpack_require__(2),cs=__webpack_require__(17);exports.toHexString=function(hash){if(!Buffer.isBuffer(hash))throw new Error("must be passed a buffer");return hash.toString("hex")},exports.fromHexString=function(hash){return new Buffer(hash,"hex")},exports.toB58String=function(hash){if(!Buffer.isBuffer(hash))throw new Error("must be passed a buffer");return bs58.encode(hash)},exports.fromB58String=function(hash){let encoded=hash;return Buffer.isBuffer(hash)&&(encoded=hash.toString()),new Buffer(bs58.decode(encoded))},exports.decode=function(buf){exports.validate(buf);const code=buf[0];return{code:code,name:cs.codes[code],length:buf[1],digest:buf.slice(2)}},exports.encode=function(digest,code,length){if(!digest||!code)throw new Error("multihash encode requires at least two args: digest, code");const hashfn=exports.coerceCode(code);if(!Buffer.isBuffer(digest))throw new Error("digest should be a Buffer");if(null==length&&(length=digest.length),length&&digest.length!==length)throw new Error("digest length should be equal to specified length.");if(length>127)throw new Error("multihash does not yet support digest lengths greater than 127 bytes.");return Buffer.concat([new Buffer([hashfn,length]),digest])},exports.coerceCode=function(name){let code=name;if("string"==typeof name){if(!cs.names[name])throw new Error(`Unrecognized hash function named: ${name}`);code=cs.names[name]}if("number"!=typeof code)throw new Error(`Hash function code should be a number. Got: ${code}`);if(!cs.codes[code]&&!exports.isAppCode(code))throw new Error(`Unrecognized function code: ${code}`);return code},exports.isAppCode=function(code){return code>0&&code<16},exports.isValidCode=function(code){return!!exports.isAppCode(code)||!!cs.codes[code]},exports.validate=validate,exports.prefix=function(multihash){return validate(multihash),multihash.slice(0,2)}}).call(exports,__webpack_require__(0).Buffer)},function(module,exports,__webpack_require__){module.exports={encode:__webpack_require__(19),decode:__webpack_require__(18),encodingLength:__webpack_require__(20)}},function(module,exports,__webpack_require__){"use strict";(function(Buffer){const mh=__webpack_require__(5),multibase=__webpack_require__(13),multicodec=__webpack_require__(15),codecs=__webpack_require__(1),codecVarints=__webpack_require__(4),multihash=__webpack_require__(5);class CID{constructor(version,codec,multihash){if("string"==typeof version)if(multibase.isEncoded(version)){const cid=multibase.decode(version);this.version=parseInt(cid.slice(0,1).toString("hex"),16),this.codec=multicodec.getCodec(cid.slice(1)),this.multihash=multicodec.rmPrefix(cid.slice(1))}else this.codec="dag-pb",this.multihash=mh.fromB58String(version),this.version=0;else if(Buffer.isBuffer(version)){const firstByte=version.slice(0,1),v=parseInt(firstByte.toString("hex"),16);if(0===v||1===v){const cid=version;this.version=v,this.codec=multicodec.getCodec(cid.slice(1)),this.multihash=multicodec.rmPrefix(cid.slice(1))}else this.codec="dag-pb",this.multihash=version,this.version=0}else if("number"==typeof version){if("string"!=typeof codec)throw new Error("codec must be string");if(0!==version&&1!==version)throw new Error("version must be a number equal to 0 or 1");mh.validate(multihash),this.codec=codec,this.version=version,this.multihash=multihash}}get buffer(){switch(this.version){case 0:return this.multihash;case 1:return Buffer.concat([Buffer("01","hex"),Buffer(codecVarints[this.codec]),this.multihash]);default:throw new Error("unsupported version")}}get prefix(){return Buffer.concat([new Buffer(`0${this.version}`,"hex"),codecVarints[this.codec],multihash.prefix(this.multihash)])}toV0(){return this.multihash}toV1(){return this.buffer}toBaseEncodedString(base){switch(base=base||"base58btc",this.version){case 0:return mh.toB58String(this.multihash);case 1:return multibase.encode(base,this.buffer).toString();default:throw new Error("Unsupported version")}}toJSON(){return{codec:this.codec,version:this.version,hash:this.multihash}}equals(other){return this.codec===other.codec&&this.version===other.version&&this.multihash.equals(other.multihash)}}CID.codecs=codecs,CID.isCID=(other=>{return"CID"===other.constructor.name}),module.exports=CID}).call(exports,__webpack_require__(0).Buffer)},function(module,exports){module.exports=function(ALPHABET){function encode(source){if(0===source.length)return"";for(var digits=[0],i=0;i<source.length;++i){for(var j=0,carry=source[i];j<digits.length;++j)carry+=digits[j]<<8,digits[j]=carry%BASE,carry=carry/BASE|0;for(;carry>0;)digits.push(carry%BASE),carry=carry/BASE|0}for(var string="",k=0;0===source[k]&&k<source.length-1;++k)string+=ALPHABET[0];for(var q=digits.length-1;q>=0;--q)string+=ALPHABET[digits[q]];return string}function decodeUnsafe(string){if(0===string.length)return[];for(var bytes=[0],i=0;i<string.length;i++){var value=ALPHABET_MAP[string[i]];if(void 0===value)return;for(var j=0,carry=value;j<bytes.length;++j)carry+=bytes[j]*BASE,bytes[j]=255&carry,carry>>=8;for(;carry>0;)bytes.push(255&carry),carry>>=8}for(var k=0;string[k]===LEADER&&k<string.length-1;++k)bytes.push(0);return bytes.reverse()}function decode(string){var array=decodeUnsafe(string);if(array)return array;throw new Error("Non-base"+BASE+" character")}for(var ALPHABET_MAP={},BASE=ALPHABET.length,LEADER=ALPHABET.charAt(0),i=0;i<ALPHABET.length;i++)ALPHABET_MAP[ALPHABET.charAt(i)]=i;return{encode:encode,decodeUnsafe:decodeUnsafe,decode:decode}}},function(module,exports){"use strict";function placeHoldersCount(b64){var len=b64.length;if(len%4>0)throw new Error("Invalid string. Length must be a multiple of 4");return"="===b64[len-2]?2:"="===b64[len-1]?1:0}function byteLength(b64){return 3*b64.length/4-placeHoldersCount(b64)}function toByteArray(b64){var i,j,l,tmp,placeHolders,arr,len=b64.length;placeHolders=placeHoldersCount(b64),arr=new Arr(3*len/4-placeHolders),l=placeHolders>0?len-4:len;var L=0;for(i=0,j=0;i<l;i+=4,j+=3)tmp=revLookup[b64.charCodeAt(i)]<<18|revLookup[b64.charCodeAt(i+1)]<<12|revLookup[b64.charCodeAt(i+2)]<<6|revLookup[b64.charCodeAt(i+3)],arr[L++]=tmp>>16&255,arr[L++]=tmp>>8&255,arr[L++]=255&tmp;return 2===placeHolders?(tmp=revLookup[b64.charCodeAt(i)]<<2|revLookup[b64.charCodeAt(i+1)]>>4,arr[L++]=255&tmp):1===placeHolders&&(tmp=revLookup[b64.charCodeAt(i)]<<10|revLookup[b64.charCodeAt(i+1)]<<4|revLookup[b64.charCodeAt(i+2)]>>2,arr[L++]=tmp>>8&255,arr[L++]=255&tmp),arr}function tripletToBase64(num){return lookup[num>>18&63]+lookup[num>>12&63]+lookup[num>>6&63]+lookup[63&num]}function encodeChunk(uint8,start,end){for(var tmp,output=[],i=start;i<end;i+=3)tmp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2],output.push(tripletToBase64(tmp));return output.join("")}function fromByteArray(uint8){for(var tmp,len=uint8.length,extraBytes=len%3,output="",parts=[],maxChunkLength=16383,i=0,len2=len-extraBytes;i<len2;i+=maxChunkLength)parts.push(encodeChunk(uint8,i,i+maxChunkLength>len2?len2:i+maxChunkLength));return 1===extraBytes?(tmp=uint8[len-1],output+=lookup[tmp>>2],output+=lookup[tmp<<4&63],output+="=="):2===extraBytes&&(tmp=(uint8[len-2]<<8)+uint8[len-1],output+=lookup[tmp>>10],output+=lookup[tmp>>4&63],output+=lookup[tmp<<2&63],output+="="),parts.push(output),parts.join("")}exports.byteLength=byteLength,exports.toByteArray=toByteArray,exports.fromByteArray=fromByteArray;for(var lookup=[],revLookup=[],Arr="undefined"!=typeof Uint8Array?Uint8Array:Array,code="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",i=0,len=code.length;i<len;++i)lookup[i]=code[i],revLookup[code.charCodeAt(i)]=i;revLookup["-".charCodeAt(0)]=62,revLookup["_".charCodeAt(0)]=63},function(module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m,eLen=8*nBytes-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,nBits=-7,i=isLE?nBytes-1:0,d=isLE?-1:1,s=buffer[offset+i];for(i+=d,e=s&(1<<-nBits)-1,s>>=-nBits,nBits+=eLen;nBits>0;e=256*e+buffer[offset+i],i+=d,nBits-=8);for(m=e&(1<<-nBits)-1,e>>=-nBits,nBits+=mLen;nBits>0;m=256*m+buffer[offset+i],i+=d,nBits-=8);if(0===e)e=1-eBias;else{if(e===eMax)return m?NaN:(s?-1:1)*(1/0);m+=Math.pow(2,mLen),e-=eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)},exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c,eLen=8*nBytes-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,rt=23===mLen?Math.pow(2,-24)-Math.pow(2,-77):0,i=isLE?0:nBytes-1,d=isLE?1:-1,s=value<0||0===value&&1/value<0?1:0;for(value=Math.abs(value),isNaN(value)||value===1/0?(m=isNaN(value)?1:0,e=eMax):(e=Math.floor(Math.log(value)/Math.LN2),value*(c=Math.pow(2,-e))<1&&(e--,c*=2),value+=e+eBias>=1?rt/c:rt*Math.pow(2,1-eBias),value*c>=2&&(e++,c/=2),e+eBias>=eMax?(m=0,e=eMax):e+eBias>=1?(m=(value*c-1)*Math.pow(2,mLen),e+=eBias):(m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen),e=0));mLen>=8;buffer[offset+i]=255&m,i+=d,m/=256,mLen-=8);for(e=e<<mLen|m,eLen+=mLen;eLen>0;buffer[offset+i]=255&e,i+=d,e/=256,eLen-=8);buffer[offset+i-d]|=128*s}},function(module,exports){var toString={}.toString;module.exports=Array.isArray||function(arr){return"[object Array]"==toString.call(arr)}},function(module,exports){"use strict";var constants=[["base1","1"],["base2","0"],["base8","7"],["base10","9"],["base16","f"],["base58flickr","Z"],["base58btc","z"],["base64","y"],["base64url","Y"]],names=constants.reduce(function(prev,tupple){return prev[tupple[0]]=tupple[1],prev},{}),codes=constants.reduce(function(prev,tupple){return prev[tupple[1]]=tupple[0],prev},{});module.exports={names:names,codes:codes}},function(module,exports,__webpack_require__){"use strict";exports=module.exports=__webpack_require__(14)},function(module,exports,__webpack_require__){"use strict";(function(Buffer){function multibase(nameOrCode,buf){if(!buf)throw new Error("requires an encoded buffer");var code=getCode(nameOrCode),codeBuf=new Buffer(code),name=getName(nameOrCode);return validEncode(name,buf),Buffer.concat([codeBuf,buf])}function encode(nameOrCode,buf){var name=getName(nameOrCode),encode=void 0;switch(name){case"base58btc":encode=function(buf){return new Buffer(bs58.encode(buf))};break;default:throw errNotSupported}return multibase(name,encode(buf))}function decode(bufOrString){Buffer.isBuffer(bufOrString)&&(bufOrString=bufOrString.toString());var code=bufOrString.substring(0,1);bufOrString=bufOrString.substring(1,bufOrString.length),"string"==typeof bufOrString&&(bufOrString=new Buffer(bufOrString));var decode=void 0;switch(code){case"z":decode=function(buf){return new Buffer(bs58.decode(buf.toString()))};break;default:throw errNotSupported}return decode(bufOrString)}function isEncoded(bufOrString){Buffer.isBuffer(bufOrString)&&(bufOrString=bufOrString.toString());var code=bufOrString.substring(0,1);try{var name=getName(code);return name}catch(err){return!1}}function validNameOrCode(nameOrCode){var err=new Error("Unsupported encoding");if(!constants.names[nameOrCode]&&!constants.codes[nameOrCode])throw err}function validEncode(name,buf){var decode=void 0;switch(name){case"base58btc":decode=bs58.decode,buf=buf.toString();break;default:throw errNotSupported}decode(buf)}function getCode(nameOrCode){validNameOrCode(nameOrCode);var code=nameOrCode;return constants.names[nameOrCode]&&(code=constants.names[nameOrCode]),code}function getName(nameOrCode){validNameOrCode(nameOrCode);var name=nameOrCode;return constants.codes[nameOrCode]&&(name=constants.codes[nameOrCode]),name}var constants=__webpack_require__(12),bs58=__webpack_require__(2);exports=module.exports=multibase,exports.encode=encode,exports.decode=decode,exports.isEncoded=isEncoded;var errNotSupported=new Error("Unsupported encoding")}).call(exports,__webpack_require__(0).Buffer)},function(module,exports,__webpack_require__){"use strict";(function(Buffer){const varint=__webpack_require__(6),codecNameToCodeVarint=__webpack_require__(4),codeToCodecName=__webpack_require__(16),util=__webpack_require__(3);exports=module.exports,exports.addPrefix=((multicodecStrOrCode,data)=>{let prefix;if(Buffer.isBuffer(multicodecStrOrCode))prefix=util.varintBufferEncode(multicodecStrOrCode);else{if(!codecNameToCodeVarint[multicodecStrOrCode])throw new Error("multicodec not recognized");prefix=codecNameToCodeVarint[multicodecStrOrCode]}return Buffer.concat([prefix,data])}),exports.rmPrefix=(data=>{return varint.decode(data),data.slice(varint.decode.bytes)}),exports.getCodec=(prefixedData=>{const code=util.varintBufferDecode(prefixedData),codecName=codeToCodecName[code.toString("hex")];return codecName})}).call(exports,__webpack_require__(0).Buffer)},function(module,exports,__webpack_require__){"use strict";const baseTable=__webpack_require__(1),nameTable={};module.exports=nameTable;for(let encodingName in baseTable){let code=baseTable[encodingName];nameTable[code.toString("hex")]=encodingName}},function(module,exports){"use strict";exports.names={sha1:17,"sha2-256":18,"sha2-512":19,"sha3-224":23,"sha3-256":22,"sha3-384":21,"sha3-512":20,"shake-128":24,"shake-256":25,"keccak-224":26,"keccak-256":27,"keccak-384":28,"keccak-512":29,blake2b:64,blake2s:65},exports.codes={17:"sha1",18:"sha2-256",19:"sha2-512",23:"sha3-224",22:"sha3-256",21:"sha3-384",20:"sha3-512",24:"shake-128",25:"shake-256",26:"keccak-224",27:"keccak-256",28:"keccak-384",29:"keccak-512",64:"blake2b",65:"blake2s"},exports.defaultLengths={17:20,18:32,19:64,23:28,22:32,21:48,20:64,24:32,25:64,26:28,27:32,28:48,29:64,64:64,65:32}},function(module,exports){function read(buf,offset){var b,res=0,offset=offset||0,shift=0,counter=offset,l=buf.length;do{if(counter>=l)return read.bytes=0,void(read.bytesRead=0);b=buf[counter++],res+=shift<28?(b&REST)<<shift:(b&REST)*Math.pow(2,shift),shift+=7}while(b>=MSB);return read.bytes=counter-offset,res}module.exports=read;var MSB=128,REST=127},function(module,exports){function encode(num,out,offset){out=out||[],offset=offset||0;for(var oldOffset=offset;num>=INT;)out[offset++]=255&num|MSB,num/=128;for(;num&MSBALL;)out[offset++]=255&num|MSB,num>>>=7;return out[offset]=0|num,encode.bytes=offset-oldOffset+1,out}module.exports=encode;var MSB=128,REST=127,MSBALL=~REST,INT=Math.pow(2,31)},function(module,exports){var N1=Math.pow(2,7),N2=Math.pow(2,14),N3=Math.pow(2,21),N4=Math.pow(2,28),N5=Math.pow(2,35),N6=Math.pow(2,42),N7=Math.pow(2,49),N8=Math.pow(2,56),N9=Math.pow(2,63);module.exports=function(value){return value<N1?1:value<N2?2:value<N3?3:value<N4?4:value<N5?5:value<N6?6:value<N7?7:value<N8?8:value<N9?9:10}},function(module,exports){var g;g=function(){return this}();try{g=g||Function("return this")()||(0,eval)("this")}catch(e){"object"==typeof window&&(g=window)}module.exports=g},function(module,exports,__webpack_require__){module.exports=__webpack_require__(7)}]);

16

package.json
{
"name": "cids",
"version": "0.3.4",
"description": "cid implementation",
"version": "0.3.5",
"description": "CID Implementation in JavaScript",
"main": "src/index.js",

@@ -24,3 +24,3 @@ "scripts": {

"type": "git",
"url": "git://github.com/ipfs/js-cid.git"
"url": "git://github.com/ipld/js-cid.git"
},

@@ -30,3 +30,3 @@ "keywords": [

"cid",
"ipfs"
"ipld"
],

@@ -36,3 +36,3 @@ "author": "Friedel Ziegelmayer <dignifiedquire@gmail.com>",

"bugs": {
"url": "https://github.com/ipfs/js-cid/issues"
"url": "https://github.com/ipld/js-cid/issues"
},

@@ -42,9 +42,9 @@ "dependencies": {

"multicodec": "^0.1.2",
"multihashes": "^0.3.0"
"multihashes": "^0.3.1"
},
"devDependencies": {
"aegir": "^9.1.2",
"aegir": "^9.3.0",
"chai": "^3.5.0",
"multihashing-async": "^0.3.0",
"pre-commit": "^1.1.3"
"pre-commit": "^1.2.2"
},

@@ -51,0 +51,0 @@ "engines": {

13

README.md

@@ -6,5 +6,5 @@ # js-cid

[![Coverage Status](https://coveralls.io/repos/github/ipfs/js-cid/badge.svg?branch=master)](https://coveralls.io/github/ipfs/js-cid?branch=master)
[![Travis CI](https://travis-ci.org/ipfs/js-cid.svg?branch=master)](https://travis-ci.org/ipfs/js-cid)
[![Circle CI](https://circleci.com/gh/ipfs/js-cid.svg?style=svg)](https://circleci.com/gh/ipfs/js-cid)
[![Dependency Status](https://david-dm.org/ipfs/js-cid.svg?style=flat-square)](https://david-dm.org/ipfs/js-cid)
[![Travis CI](https://travis-ci.org/ipld/js-cid.svg?branch=master)](https://travis-ci.org/ipld/js-cid)
[![Circle CI](https://circleci.com/gh/ipld/js-cid.svg?style=svg)](https://circleci.com/gh/ipld/js-cid)
[![Dependency Status](https://david-dm.org/ipld/js-cid.svg?style=flat-square)](https://david-dm.org/ipld/js-cid)
[![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/feross/standard)

@@ -109,2 +109,6 @@ ![](https://img.shields.io/badge/npm-%3E%3D3.0.0-orange.svg?style=flat-square)

### `.prefix()`
returns a buffer with CID version + multicodec + hashAlg + hashLen
### `CID.isCID(other)`

@@ -114,2 +118,3 @@

## Contribute

@@ -119,3 +124,3 @@

Contributions welcome. Please check out [the issues](https://github.com/ipfs/js-cid/issues).
Contributions welcome. Please check out [the issues](https://github.com/ipld/js-cid/issues).

@@ -122,0 +127,0 @@ Check out our [contributing document](https://github.com/ipfs/community/blob/master/contributing.md) for more information on how we work, and about contributing in general. Please be aware that all interactions related to multiformats are subject to the IPFS [Code of Conduct](https://github.com/ipfs/community/blob/master/code-of-conduct.md).

9

src/index.js

@@ -8,2 +8,3 @@ 'use strict'

const codecVarints = require('multicodec/src/varint-table')
const multihash = require('multihashes')

@@ -79,2 +80,10 @@ // CID: <mbase><version><mcodec><mhash>

get prefix () {
return Buffer.concat([
new Buffer(`0${this.version}`, 'hex'),
codecVarints[this.codec],
multihash.prefix(this.multihash)
])
}
toV0 () {

@@ -81,0 +90,0 @@ return this.multihash

dist/index.js

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dist/index.js.map

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