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t=+t,e|=0,r||D(this,t,e,1,255,0),u.TYPED_ARRAY_SUPPORT||(t=Math.floor(t)),this[e]=255&t,e+1},u.prototype.writeUInt16LE=function(t,e,r){return t=+t,e|=0,r||D(this,t,e,2,65535,0),u.TYPED_ARRAY_SUPPORT?(this[e]=255&t,this[e+1]=t>>>8):x(this,t,e,!0),e+2},u.prototype.writeUInt16BE=function(t,e,r){return t=+t,e|=0,r||D(this,t,e,2,65535,0),u.TYPED_ARRAY_SUPPORT?(this[e]=t>>>8,this[e+1]=255&t):x(this,t,e,!1),e+2},u.prototype.writeUInt32LE=function(t,e,r){return t=+t,e|=0,r||D(this,t,e,4,4294967295,0),u.TYPED_ARRAY_SUPPORT?(this[e+3]=t>>>24,this[e+2]=t>>>16,this[e+1]=t>>>8,this[e]=255&t):O(this,t,e,!0),e+4},u.prototype.writeUInt32BE=function(t,e,r){return t=+t,e|=0,r||D(this,t,e,4,4294967295,0),u.TYPED_ARRAY_SUPPORT?(this[e]=t>>>24,this[e+1]=t>>>16,this[e+2]=t>>>8,this[e+3]=255&t):O(this,t,e,!1),e+4},u.prototype.writeIntLE=function(t,e,r,n){if(t=+t,e|=0,!n){var i=Math.pow(2,8*r-1);D(this,t,e,r,i-1,-i)}var o=0,a=1,s=0;for(this[e]=255&t;++o<r&&(a*=256);)t<0&&0===s&&0!==this[e+o-1]&&(s=1),this[e+o]=(t/a>>0)-s&255;return e+r},u.prototype.writeIntBE=function(t,e,r,n){if(t=+t,e|=0,!n){var i=Math.pow(2,8*r-1);D(this,t,e,r,i-1,-i)}var o=r-1,a=1,s=0;for(this[e+o]=255&t;--o>=0&&(a*=256);)t<0&&0===s&&0!==this[e+o+1]&&(s=1),this[e+o]=(t/a>>0)-s&255;return e+r},u.prototype.writeInt8=function(t,e,r){return t=+t,e|=0,r||D(this,t,e,1,127,-128),u.TYPED_ARRAY_SUPPORT||(t=Math.floor(t)),t<0&&(t=255+t+1),this[e]=255&t,e+1},u.prototype.writeInt16LE=function(t,e,r){return t=+t,e|=0,r||D(this,t,e,2,32767,-32768),u.TYPED_ARRAY_SUPPORT?(this[e]=255&t,this[e+1]=t>>>8):x(this,t,e,!0),e+2},u.prototype.writeInt16BE=function(t,e,r){return t=+t,e|=0,r||D(this,t,e,2,32767,-32768),u.TYPED_ARRAY_SUPPORT?(this[e]=t>>>8,this[e+1]=255&t):x(this,t,e,!1),e+2},u.prototype.writeInt32LE=function(t,e,r){return t=+t,e|=0,r||D(this,t,e,4,2147483647,-2147483648),u.TYPED_ARRAY_SUPPORT?(this[e]=255&t,this[e+1]=t>>>8,this[e+2]=t>>>16,this[e+3]=t>>>24):O(this,t,e,!0),e+4},u.prototype.writeInt32BE=function(t,e,r){return t=+t,e|=0,r||D(this,t,e,4,2147483647,-2147483648),t<0&&(t=4294967295+t+1),u.TYPED_ARRAY_SUPPORT?(this[e]=t>>>24,this[e+1]=t>>>16,this[e+2]=t>>>8,this[e+3]=255&t):O(this,t,e,!1),e+4},u.prototype.writeFloatLE=function(t,e,r){return N(this,t,e,!0,r)},u.prototype.writeFloatBE=function(t,e,r){return N(this,t,e,!1,r)},u.prototype.writeDoubleLE=function(t,e,r){return C(this,t,e,!0,r)},u.prototype.writeDoubleBE=function(t,e,r){return C(this,t,e,!1,r)},u.prototype.copy=function(t,e,r,n){if(r||(r=0),n||0===n||(n=this.length),e>=t.length&&(e=t.length),e||(e=0),n>0&&n<r&&(n=r),n===r)return 0;if(0===t.length||0===this.length)return 0;if(e<0)throw new RangeError("targetStart out of bounds");if(r<0||r>=this.length)throw new RangeError("sourceStart out of bounds");if(n<0)throw new RangeError("sourceEnd out of bounds");n>this.length&&(n=this.length),t.length-e<n-r&&(n=t.length-e+r);var i,o=n-r;if(this===t&&r<e&&e<n)for(i=o-1;i>=0;--i)t[i+e]=this[i+r];else if(o<1e3||!u.TYPED_ARRAY_SUPPORT)for(i=0;i<o;++i)t[i+e]=this[i+r];else Uint8Array.prototype.set.call(t,this.subarray(r,r+o),e);return o},u.prototype.fill=function(t,e,r,n){if("string"==typeof t){if("string"==typeof e?(n=e,e=0,r=this.length):"string"==typeof r&&(n=r,r=this.length),1===t.length){var i=t.charCodeAt(0);i<256&&(t=i)}if(void 0!==n&&"string"!=typeof n)throw new TypeError("encoding must be a string");if("string"==typeof n&&!u.isEncoding(n))throw new TypeError("Unknown encoding: "+n)}else"number"==typeof t&&(t&=255);if(e<0||this.length<e||this.length<r)throw new RangeError("Out of range index");if(r<=e)return this;var o;if(e>>>=0,r=void 0===r?this.length:r>>>0,t||(t=0),"number"==typeof t)for(o=e;o<r;++o)this[o]=t;else{var a=u.isBuffer(t)?t:F(new 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a,s,u,f=8*o-i-1,h=(1<<f)-1,c=h>>1,p=23===i?Math.pow(2,-24)-Math.pow(2,-77):0,l=n?0:o-1,d=n?1:-1,g=e<0||0===e&&1/e<0?1:0;for(e=Math.abs(e),isNaN(e)||e===1/0?(s=isNaN(e)?1:0,a=h):(a=Math.floor(Math.log(e)/Math.LN2),e*(u=Math.pow(2,-a))<1&&(a--,u*=2),(e+=a+c>=1?p/u:p*Math.pow(2,1-c))*u>=2&&(a++,u/=2),a+c>=h?(s=0,a=h):a+c>=1?(s=(e*u-1)*Math.pow(2,i),a+=c):(s=e*Math.pow(2,c-1)*Math.pow(2,i),a=0));i>=8;t[r+l]=255&s,l+=d,s/=256,i-=8);for(a=a<<i|s,f+=i;f>0;t[r+l]=255&a,l+=d,a/=256,f-=8);t[r+l-d]|=128*g}},{}],4:[function(t,e,r){var n={}.toString;e.exports=Array.isArray||function(t){return"[object Array]"==n.call(t)}},{}],5:[function(t,e,r){(function(t){"use strict";class e{constructor(){}static get version(){return 1}static validateEntityObject(t){if("object"!=typeof t)return"Entity must be an object.";if(null==t.entity)return'"entity" property is required.';if("string"!=typeof t.entity)return'"entity" property must be a string.';for(var e in t)switch(e){case"entity":var r=t[e];if("api"!=r&&"p2p"!=r&&"peer"!=r)return'"'+r+'" is not a recognized entity type.';break;case"name":if("string"!=typeof t[e])return'"name" property must be a string.';break;case"description":if("string"!=typeof t[e])return'"description" property must be a string.';break;case"transport":switch(t[e]){case"http":case"wss":case"wsst":case"webrtc":break;default:return'"'+t[e]+'" is not a recognized transport.'}break;case"protocol":switch(t[e]){case"http":case"https":case"ws":case"wss":break;default:return'"'+t[e]+'" is not a recognized protocol.'}break;case"host":if("string"!=typeof t[e])return'"host" property must be a string.';break;case"port":if("number"!=typeof t[e])return'"port" must be a number.';break;case"parameters":if("string"!=typeof t[e])return'"parameters" property must be a string.'}return null}get data(){return null==this._data&&(this._data=null),this._data}get bin(){return null==this._bin&&(this._bin=null),this._bin}encode(r="base85",n=null){if(null==this.data)throw new Error("No SDB to encode.");for(var i=t.alloc(0),o=new Array,a=0;a<this.data.length;a++){var s=this.data[a];if("string"!=typeof s.entity)throw new Error('Missing or wrong type "+entity+" property.');var u=this.encodeEntity(s,a,o),f=i.length+u.length;i=t.concat([i,u],f)}var h=t.from([e.version]);return f=i.length+1,i=t.concat([h,i],f),this._bin=i,new Promise((t,e)=>{if(null!=n){var o=n(i);if(o instanceof Promise)o.then(e=>{if("base85"==r||"ascii85"==r)var n=this.bufferToBase85(e);else"base64"==r?n=e.toString(r):"none"==r&&(n=null);t(n)});else{if("base85"==r||"ascii85"==r)var a=this.bufferToBase85(i);else"base64"==r?a=i.toString(r):"none"==r&&(a=null);t(a)}}else{if("base85"==r||"ascii85"==r)a=this.bufferToBase85(i);else"base64"==r?a=i.toString(r):"none"==r&&(a=null);t(a)}})}decode(r,n=null,i=null){if(r instanceof Array)return this._data=r,new Promise((t,e)=>{this.encode("none").then(e=>{null!=i?i instanceof 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f;if((f=o.readUInt8(0))!=e.version)throw new Error("SDB verion "+f+" does not match supported version "+e.version);this._data=new Array;for(a=new Array,s=0,u=1;u<o.length;)try{var h;u=(h=this.readEntity(o,u)).nextOffset,this._data.push(this.decodeEntity(h,s,a)),s++}catch(t){u=o.length+1}t(!0)}})}bufferToBase85(e,r=!0){var n=new Array;r&&(n.push(60),n.push(126));for(var i=0;i<e.length;i+=4){let r=t.alloc(4),s=4;for(var o=0;o<4;o++)i+o<e.length?r[o]=e[i+o]:(r[o]=0,s--);var a=this.getB85EncChunk(r,s);for(o=0;o<a.length;o++)n.push(a[o])}return r&&(n.push(126),n.push(62)),n=t.from(n).toString("ascii")}getB85EncChunk(e){var r=(e[0]<<24|e[1]<<16|e[2]<<8|e[3])>>>0;if(0===r){var n=t.alloc(1);n[0]=122}else{n=t.alloc(5);for(var i=4;i>=0;i--)i<=4&&(n[i]=r%85+33),r/=85}return n}uint32ToArray(e,r=4){var n=[24,16,8,0];let i=t.alloc(r);for(var o=0;o<r;o++)i[o]=e>>n[o]&255;return i}pushUint32Array(t,e,r){for(var n=this.uint32ToArray(t,e-1),i=0;i<n.length;i++)r.push(n[i])}base85ToBuffer(e){var r=[Math.pow(85,4),Math.pow(85,3),Math.pow(85,2),85,1],n=new Array,o=!1,a=0,s=0,u=0;if((e.startsWith("<~")&&e.length)>2)u=2;do{if(0!==e.charAt(u).trim().length){var f=e.charCodeAt(u);switch(f){case 122:if(0!=s)throw new Error("Unexpected 'z' character at position "+i);for(var h=0;h<4;h++)n.push(0);break;case 126:var c="";for(h=u+1;h<e.length&&0==c.trim().length;)c=e.charAt(h++);if(">"!=c)throw new Error("Broken EOD at position "+j);s&&(a+=r[s-1],this.pushUint32Array(a,s,n),a=s=0),o=!0;break;default:if(f<33||f>117)throw new Error("Unexpected character with code "+f+" at position "+u);a+=(f-33)*r[s++],s>=5&&(this.pushUint32Array(a,s,n),a=s=0)}}}while(u++<e.length&&0==o);return t.from(n)}readEntity(t,e){var r=t.readUInt8(e+0),n=t.readUInt8(e+1)<<24;n|=t.readUInt8(e+2)<<16,n|=t.readUInt8(e+3)<<8,n|=t.readUInt8(e+4);var i=t.slice(e+5,e+5+n),o=new Object;return o.offset=e,o.nextOffset=e+n+5,o.headerSize=5,o.dataSize=n,o.totalSize=n+5,o.type=r,o.data=i,o}decodeEntity(t,e,r){var n=new Object;switch(t.type){case 0:n.entity="api";break;case 1:n.entity="p2p";break;case 2:n.entity="peer"}for(var i=0,o=this.readEntityData(t.data,i);null!=o;){i=o.offset;var a=this.getEntPropHistory(o.name,o.value,r).entityIndex;if(a>-1)for(var s=0;s<r.length;s++){var u=r[s];u.propName==o.name&&u.entityIndex==a&&(o.value=u.propValue)}n[o.name]=o.value,this.addEntPropHistory(o.name,o.value,e,r),o=this.readEntityData(t.data,i)}return n}readEntityData(t,e){if(0==t.length)return null;if(e>=t.length)return null;var r=new Object,n=1;switch(t.readUInt8(e)){case 0:var i=t.readUInt8(e+1)<<8,o=(n+=2)+e,a=(i|=t.readUInt8(e+2))+n+e,s=t.slice(o,a);r.name="name",r.value=s.toString("utf8"),r.offset=e+s.length+n;break;case 1:i=t.readUInt8(e+1)<<8,o=(n+=2)+e,a=(i|=t.readUInt8(e+2))+n+e,s=t.slice(o,a),r.name="description",r.value=s.toString("utf8"),r.offset=e+i+n;break;case 2:var u=t.readUInt8(e+1);switch(n+=1,r.name="transport",u){case 0:r.value="http";break;case 1:r.value="wss";break;case 2:r.value="wsst";break;case 3:r.value="webrtc";break;default:r.value=""}r.offset=e+n;break;case 3:switch(r.name="protocol",n+=1,u=t.readUInt8(e+1)){case 0:r.value="http";break;case 1:r.value="htps";break;case 2:r.value="ws";break;case 3:r.value="wss";break;default:r.value=""}r.offset=e+n;break;case 4:switch(r.name="host",n+=1,u=t.readUInt8(e+1)){case 0:var f=String(t.readUInt8(e+2))+".";f+=String(t.readUInt8(e+3))+".",f+=String(t.readUInt8(e+4))+".",f+=String(t.readUInt8(e+5)),n+=4,r.value=f,r.offset=e+n;break;case 1:r.value="";break;case 2:i=t.readUInt8(e+2)<<8,o=(n+=2)+e,a=(i|=t.readUInt8(e+3))+n+e,s=t.slice(o,a),r.value=s.toString("utf8"),r.offset=e+i+n}break;case 5:r.name="port",s=t.readUInt8(e+1)<<8,s|=t.readUInt8(e+2),n+=2,r.value=s,r.offset=e+n;break;case 6:r.name="parameters",i=t.readUInt8(e+1)<<16,i|=t.readUInt8(e+2)<<8,o=(n+=3)+e,a=(i|=t.readUInt8(e+3))+n+e,s=t.slice(o,a),r.value=s.toString("utf8"),r.offset=e+i+n;break;case 7:r.name="name";t.readUInt8(e+1);t.readUInt8(e+2),n+=2,r.value=null,r.offset=e+n;break;case 8:r.name="description";t.readUInt8(e+1);t.readUInt8(e+2),n+=2,r.value=null,r.offset=e+n;break;case 9:r.name="host";t.readUInt8(e+1);t.readUInt8(e+2),n+=2,r.value=null,r.offset=e+n;break;case 10:r.name="port";t.readUInt8(e+1);t.readUInt8(e+2),n+=2,r.value=null,r.offset=e+n;break;case 11:r.name="parameters";t.readUInt8(e+1);t.readUInt8(e+2),n+=2,r.value=null,r.offset=e+n}return r}encodeEntity(e,r,n){var i=t.alloc(0),o=t.alloc(0);for(var a in e){var s=e[a];switch(a){case"entity":o=this.encodeSDBEntityData(a,s,r,n);break;case"url":var u=new URL(s),f=u.protocol;if(""==(f=f.split(":")[0]))throw new Error('Entity URL "'+s+'" uses an invalid protocol');var h=this.encodeSDBEntityData("protocol",f,r,n),c=i.length+h.length;i=t.concat([i,h],c);var p=u.hostname;p=p.split("[").join("").split("]").join(""),h=this.encodeSDBEntityData("host",p,r,n),c=i.length+h.length,i=t.concat([i,h],c);var l=Number(u.port);""!=l&&(h=this.encodeSDBEntityData("port",l,r,n),c=i.length+h.length,i=t.concat([i,h],c));var d=u.search;""!=d&&(h=this.encodeSDBEntityData("parameters",d,r,n),c=i.length+h.length,i=t.concat([i,h],c));break;default:h=this.encodeSDBEntityData(a,s,r,n);c=i.length+h.length,i=t.concat([i,h],c)}}var g=new Array;g.push((4278190080&i.length)>>24),g.push((16711680&i.length)>>16),g.push((65280&i.length)>>8),g.push(255&i.length);var y=t.from(g);return c=o.length+y.length,c=(o=t.concat([o,y],c)).length+i.length,i=t.concat([o,i],c)}encodeSDBEntityData(e,r,n,i){var o=this.getEntPropHistory(e,r,i);e=o.propName,r=o.propValue;var a=new Array;switch(e){case"entity":switch(r){case"api":a.push(0);break;case"p2p":a.push(1);break;case"peer":a.push(2)}break;case"name":a.push(0),(f=r.length)>65535&&(r=r.substring(0,65535)),a.push((65280&f)>>8),a.push(255&f);for(var s=0;s<r.length;s++)a.push(r.charCodeAt(s));break;case"description":for(a.push(1),(f=r.length)>65535&&(r=r.substring(0,65535)),a.push((65280&f)>>8),a.push(255&f),s=0;s<r.length;s++)a.push(r.charCodeAt(s));break;case"transport":switch(a.push(2),r){case"http":a.push(0);break;case"wss":a.push(1);break;case"wsst":a.push(2);break;case"webrtc":a.push(3)}break;case"protocol":switch(a.push(3),r){case"http":a.push(0);break;case"https":a.push(1);break;case"ws":a.push(2);break;case"wss":a.push(3)}break;case"host":if(a.push(4),this.isIPv4(r)){a.push(0);var u=r.split(".");for(s=0;s<u.length;s++)a.push(parseInt(u[s]))}else if(this.isIPv6(r));else{for(a.push(2),(f=r.length)>65535&&(r=r.substring(0,65535)),a.push((65280&f)>>8),a.push(255&f),s=0;s<r.length;s++)a.push(r.charCodeAt(s))}break;case"port":a.push(5),a.push((65280&r)>>8),a.push(255&r);break;case"parameters":var f;for(a.push(6),(f=r.length)>16777215&&(r=r.substring(0,16777215)),a.push((16711680&f)>>16),a.push((65280&f)>>8),a.push(255&f),s=0;s<r.length;s++)a.push(r.charCodeAt(s));break;case"_nameref":a.push(7),a.push((65280&r)>>8),a.push(255&r);break;case"_descref":a.push(8),a.push((65280&r)>>8),a.push(255&r);break;case"_hostref":a.push(9),a.push((65280&r)>>8),a.push(255&r);break;case"_portref":a.push(10),a.push((65280&r)>>8),a.push(255&r);break;case"_paramref":a.push(11),a.push((65280&r)>>8),a.push(255&r)}return this.addEntPropHistory(e,r,n,i),t.from(a)}addEntPropHistory(t,e,r,n){for(var i=0;i<n.length;i++){var o=n[i];if(o.propName==t&&o.propValue==e)return!1}return(o=new Object).propName=t,o.propValue=e,o.entityIndex=r,n.push(o),!0}getEntPropHistory(t,e,r){for(var n=new Object,i=0;i<r.length;i++){var o=r[i];if(o.propName==t&&(o.propValue==e||null==e))switch(o.propName){case"name":return n.propName="_nameref",n.oldPropName=o.propName,n.propValue=i,n.entityIndex=o.entityIndex,n;case"description":return n.propName="_descref",n.oldPropName=o.propName,n.propValue=i,n.entityIndex=o.entityIndex,n;case"host":return n.propName="_hostref",n.oldPropName=o.propName,n.propValue=i,n.entityIndex=o.entityIndex,n;case"port":return n.propName="_portref",n.oldPropName=o.propName,n.propValue=i,n.entityIndex=o.entityIndex,n;case"parameters":return n.propName="_paramref",n.oldPropName=o.propName,n.propValue=i,n.entityIndex=o.entityIndex,n}}return n.propName=t,n.oldPropName=null,n.propValue=e,n.entityIndex=-1,n}isIPv4(t){return!!/^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/.test(t)}isIPv6(t){return!!/^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$/.test(t)}}window.SDB=e}).call(this,t("buffer").Buffer)},{buffer:2}]},{},[5]);