n8n-nodes-wax
Version:
n8n Community Node Package for the WAX Blockchain
1 lines • 230 kB
JavaScript
!function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).eosjs_ecc=t()}}(function(){return function(){return function t(e,r,i){function n(s,f){if(!r[s]){if(!e[s]){var a="function"==typeof require&&require;if(!f&&a)return a(s,!0);if(o)return o(s,!0);var h=new Error("Cannot find module '"+s+"'");throw h.code="MODULE_NOT_FOUND",h}var u=r[s]={exports:{}};e[s][0].call(u.exports,function(t){return n(e[s][1][t]||t)},u,u.exports,t,e,r,i)}return r[s].exports}for(var o="function"==typeof require&&require,s=0;s<i.length;s++)n(i[s]);return n}}()({1:[function(t,e,r){(function(r){"use strict";var i=t("randombytes"),n=t("bytebuffer"),o=t("browserify-aes"),s=t("assert"),f=t("./key_public"),a=t("./key_private"),h=t("./hash"),u=n.Long;function l(t,e,i,u,l){if(!(t=a(t)))throw new TypeError("private_key is required");if(!(e=f(e)))throw new TypeError("public_key is required");if(!(i=p(i)))throw new TypeError("nonce is required");if(!r.isBuffer(u)){if("string"!=typeof u)throw new TypeError("message should be buffer or string");u=new r(u,"binary")}if(l&&"number"!=typeof l)throw new TypeError("checksum should be a number");var c=t.getSharedSecret(e),g=new n(n.DEFAULT_CAPACITY,n.LITTLE_ENDIAN);g.writeUint64(i),g.append(c.toString("binary"),"binary"),g=new r(g.copy(0,g.offset).toBinary(),"binary");var y=h.sha512(g),b=y.slice(32,48),v=y.slice(0,32),m=h.sha256(y);m=m.slice(0,4);var w=n.fromBinary(m.toString("binary"),n.DEFAULT_CAPACITY,n.LITTLE_ENDIAN);if(m=w.readUint32(),l){if(m!==l)throw new Error("Invalid key");u=function(t,e,i){s(t,"Missing cipher text"),t=d(t);var n=o.createDecipheriv("aes-256-cbc",e,i);return t=r.concat([n.update(t),n.final()])}(u,v,b)}else u=function(t,e,i){s(t,"Missing plain text"),t=d(t);var n=o.createCipheriv("aes-256-cbc",e,i);return t=r.concat([n.update(t),n.final()])}(u,v,b);return{nonce:i,message:u,checksum:m}}e.exports={encrypt:function(t,e,r){var n=arguments.length>3&&void 0!==arguments[3]?arguments[3]:function(){if(null===c){var t=new Uint8Array(i(2));c=parseInt(t[0]<<8|t[1],10)}var e=u.fromNumber(Date.now()),r=++c%65535;return(e=e.shiftLeft(16).or(u.fromNumber(r))).toString()}();return l(t,e,n,r)},decrypt:function(t,e,r,i,n){return l(t,e,r,i,n).message}};var c=null,p=function(t){return t?u.isLong(t)?t:u.fromString(t):t},d=function(t){return t?r.isBuffer(t)?t:new r(t,"binary"):t}}).call(this,t("buffer").Buffer)},{"./hash":7,"./key_private":9,"./key_public":10,assert:24,"browserify-aes":37,buffer:52,bytebuffer:53,randombytes:79}],2:[function(t,e,r){"use strict";t("./aes");var i=t("./key_private"),n=t("./key_public"),o=t("./signature"),s=(t("./key_utils"),t("./hash")),f={initialize:i.initialize,unsafeRandomKey:function(){return i.unsafeRandomKey().then(function(t){return t.toString()})},randomKey:function(t){return i.randomKey(t).then(function(t){return t.toString()})},seedPrivate:function(t){return i.fromSeed(t).toString()},privateToPublic:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"EOS";return i(t).toPublic().toString(e)},isValidPublic:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"EOS";return n.isValid(t,e)},isValidPrivate:function(t){return i.isValid(t)},sign:function(t,e){var r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:"utf8";if(!0===r)throw new TypeError("API changed, use signHash(..) instead");return!1===r&&console.log("Warning: ecc.sign hashData parameter was removed"),o.sign(t,e,r).toString()},signHash:function(t,e){var r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:"hex";return o.signHash(t,e,r).toString()},verify:function(t,e,r){var i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:"utf8";if(!0===i)throw new TypeError("API changed, use verifyHash(..) instead");return!1===i&&console.log("Warning: ecc.verify hashData parameter was removed"),(t=o.from(t)).verify(e,r,i)},verifyHash:function(t,e,r){var i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:"hex";return(t=o.from(t)).verifyHash(e,r,i)},recover:function(t,e){var r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:"utf8";if(!0===r)throw new TypeError("API changed, use recoverHash(signature, data) instead");return!1===r&&console.log("Warning: ecc.recover hashData parameter was removed"),(t=o.from(t)).recover(e,r).toString()},recoverHash:function(t,e){var r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:"hex";return(t=o.from(t)).recoverHash(e,r).toString()},sha256:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"hex";return s.sha256(t,e)}};e.exports=f},{"./aes":1,"./hash":7,"./key_private":9,"./key_public":10,"./key_utils":11,"./signature":13}],3:[function(t,e,r){"use strict";var i=t("./aes"),n=t("./key_private"),o=t("./key_public"),s=t("./signature"),f=t("./key_utils");e.exports={Aes:i,PrivateKey:n,PublicKey:o,Signature:s,key_utils:f}},{"./aes":1,"./key_private":9,"./key_public":10,"./key_utils":11,"./signature":13}],4:[function(t,e,r){(function(r){"use strict";var i=t("assert"),n=t("./hash"),o=t("./enforce_types"),s=t("bigi"),f=t("./ecsignature");function a(t,e,f,a,h){o("Buffer",e),o(s,f),h&&(e=n.sha256(r.concat([e,new r(h)]))),i.equal(e.length,32,"Hash must be 256 bit");var u=f.toBuffer(32),l=new r(32),c=new r(32);c.fill(1),l.fill(0),l=n.HmacSHA256(r.concat([c,new r([0]),u,e]),l),c=n.HmacSHA256(c,l),l=n.HmacSHA256(r.concat([c,new r([1]),u,e]),l),c=n.HmacSHA256(c,l),c=n.HmacSHA256(c,l);for(var p=s.fromBuffer(c);p.signum()<=0||p.compareTo(t.n)>=0||!a(p);)l=n.HmacSHA256(r.concat([c,new r([0])]),l),c=n.HmacSHA256(c,l),c=n.HmacSHA256(c,l),p=s.fromBuffer(c);return p}function h(t,e,r,i){var n=t.n,o=t.G,s=r.r,f=r.s;if(s.signum()<=0||s.compareTo(n)>=0)return!1;if(f.signum()<=0||f.compareTo(n)>=0)return!1;var a=f.modInverse(n),h=e.multiply(a).mod(n),u=s.multiply(a).mod(n),l=o.multiplyTwo(h,i,u);return!t.isInfinity(l)&&l.affineX.mod(n).equals(s)}function u(t,e,r,n){i.strictEqual(3&n,n,"Recovery param is more than two bits");var o=t.n,s=t.G,f=r.r,a=r.s;i(f.signum()>0&&f.compareTo(o)<0,"Invalid r value"),i(a.signum()>0&&a.compareTo(o)<0,"Invalid s value");var h=1&n,u=n>>1?f.add(o):f,l=t.pointFromX(h,u),c=l.multiply(o);i(t.isInfinity(c),"nR is not a valid curve point");var p=e.negate().mod(o),d=f.modInverse(o),g=l.multiplyTwo(a,s,p).multiply(d);return t.validate(g),g}e.exports={calcPubKeyRecoveryParam:function(t,e,r,i){for(var n=0;n<4;n++)if(u(t,e,r,n).equals(i))return n;throw new Error("Unable to find valid recovery factor")},deterministicGenerateK:a,recoverPubKey:u,sign:function(t,e,r,i){var n,o,h=s.fromBuffer(e),u=t.n,l=t.G,c=(a(t,e,r,function(e){var i=l.multiply(e);return!t.isInfinity(i)&&0!==(n=i.affineX.mod(u)).signum()&&0!==(o=e.modInverse(u).multiply(h.add(r.multiply(n))).mod(u)).signum()},i),u.shiftRight(1));return o.compareTo(c)>0&&(o=u.subtract(o)),f(n,o)},verify:function(t,e,r,i){return h(t,s.fromBuffer(e),r,i)},verifyRaw:h}}).call(this,t("buffer").Buffer)},{"./ecsignature":5,"./enforce_types":6,"./hash":7,assert:24,bigi:32,buffer:52}],5:[function(t,e,r){(function(r){"use strict";var i=t("assert"),n=t("./enforce_types"),o=t("bigi");function s(t,e){function i(){var i=t.toDERInteger(),n=e.toDERInteger(),o=[];return o.push(2,i.length),(o=o.concat(i)).push(2,n.length),(o=o.concat(n)).unshift(48,o.length),new r(o)}return n(o,t),n(o,e),{r:t,s:e,toCompact:function(i,n){n&&(i+=4),i+=27;var o=new r(65);return o.writeUInt8(i,0),t.toBuffer(32).copy(o,1),e.toBuffer(32).copy(o,33),o},toDER:i,toScriptSignature:function(t){var e=new r(1);return e.writeUInt8(t,0),r.concat([i(),e])}}}s.parseCompact=function(t){i.equal(t.length,65,"Invalid signature length");var e=t.readUInt8(0)-27;return i.equal(e,7&e,"Invalid signature parameter"),{compressed:!!(4&e),i:e&=3,signature:s(o.fromBuffer(t.slice(1,33)),o.fromBuffer(t.slice(33)))}},s.fromDER=function(t){i.equal(t.readUInt8(0),48,"Not a DER sequence"),i.equal(t.readUInt8(1),t.length-2,"Invalid sequence length"),i.equal(t.readUInt8(2),2,"Expected a DER integer");var e=t.readUInt8(3);i(e>0,"R length is zero");var r=4+e;i.equal(t.readUInt8(r),2,"Expected a DER integer (2)");var n=t.readUInt8(r+1);i(n>0,"S length is zero");var f=t.slice(4,r),a=t.slice(r+2);r+=2+n,e>1&&0===f.readUInt8(0)&&i(128&f.readUInt8(1),"R value excessively padded"),n>1&&0===a.readUInt8(0)&&i(128&a.readUInt8(1),"S value excessively padded"),i.equal(r,t.length,"Invalid DER encoding");var h=o.fromDERInteger(f),u=o.fromDERInteger(a);return i(h.signum()>=0,"R value is negative"),i(u.signum()>=0,"S value is negative"),s(h,u)},s.parseScriptSignature=function(t){var e=t.readUInt8(t.length-1),r=-129&e;return i(r>0&&r<4,"Invalid hashType"),{signature:s.fromDER(t.slice(0,-1)),hashType:e}},e.exports=s}).call(this,t("buffer").Buffer)},{"./enforce_types":6,assert:24,bigi:32,buffer:52}],6:[function(t,e,r){(function(t){"use strict";function r(t){var e=t.toString().match(/function (.*?)\(/);return e?e[1]:null}e.exports=function(e,i){switch(e){case"Array":if(Array.isArray(i))return;break;case"Boolean":if("boolean"==typeof i)return;break;case"Buffer":if(t.isBuffer(i))return;break;case"Number":if("number"==typeof i)return;break;case"String":if("string"==typeof i)return;break;default:if(r(i.constructor)===r(e))return}throw new TypeError("Expected "+(r(e)||e)+", got "+i)}}).call(this,{isBuffer:t("../node_modules/is-buffer/index.js")})},{"../node_modules/is-buffer/index.js":72}],7:[function(t,e,r){"use strict";var i=t("create-hash"),n=t("create-hmac");e.exports={sha1:function(t,e){return i("sha1").update(t).digest(e)},sha256:function(t,e){return i("sha256").update(t).digest(e)},sha512:function(t,e){return i("sha512").update(t).digest(e)},HmacSHA256:function(t,e){return n("sha256",e).update(t).digest()},ripemd160:function(t){try{return i("rmd160").update(t).digest()}catch(e){return i("ripemd160").update(t).digest()}}}},{"create-hash":56,"create-hmac":59}],8:[function(t,e,r){"use strict";var i=t("./api_common"),n=t("./api_object"),o=Object.assign({},i,n);e.exports=o},{"./api_common":2,"./api_object":3}],9:[function(t,e,r){(function(r){"use strict";var i=t("@babel/runtime/helpers/interopRequireDefault"),n=i(t("@babel/runtime/helpers/toConsumableArray")),o=i(t("@babel/runtime/helpers/slicedToArray")),s=i(t("@babel/runtime/helpers/typeof")),f=t("ecurve"),a=f.Point,h=f.getCurveByName("secp256k1"),u=t("bigi"),l=t("assert"),c=t("./hash"),p=t("./key_public"),d=t("./key_utils"),g=t("create-hash"),y=t("./promise-async");h.G,h.n;function b(t){if("string"==typeof t)return b.fromString(t);if(r.isBuffer(t))return b.fromBuffer(t);if("object"===(0,s.default)(t)&&u.isBigInteger(t.d))return b(t.d);if(!u.isBigInteger(t))throw new TypeError("Invalid private key");function e(){var t=n();return t=r.concat([new r([128]),t]),d.checkEncode(t,"sha256x2")}var i;function n(){return t.toBuffer(32)}return{d:t,toWif:e,toString:function(){return e()},toPublic:function(){if(i)return i;var e=h.G.multiply(t);return i=p.fromPoint(e)},toBuffer:n,getSharedSecret:function(t){var e=(t=p(t)).toUncompressed().toBuffer(),r=a.fromAffine(h,u.fromBuffer(e.slice(1,33)),u.fromBuffer(e.slice(33,65))),i=n(),o=r.multiply(u.fromBuffer(i)).affineX.toBuffer({size:32});return c.sha512(o)},getChildKey:function(t){return b(g("sha256").update(n()).update(t).digest())}}}function v(t){l.equal((0,s.default)(t),"string","privateStr");var e=t.match(/^PVT_([A-Za-z0-9]+)_([A-Za-z0-9]+)$/);if(null===e){var r=d.checkDecode(t,"sha256x2"),i=r.readUInt8(0);l.equal(128,i,"Expected version ".concat(128,", instead got ",i));return{privateKey:b.fromBuffer(r.slice(1)),format:"WIF",keyType:"K1"}}l(3===e.length,"Expecting private key like: PVT_K1_base58privateKey..");var n=(0,o.default)(e,3),f=n[1],a=n[2];return l.equal(f,"K1","K1 private key expected"),{privateKey:b.fromBuffer(d.checkDecode(a,f)),format:"PVT",keyType:f}}e.exports=b,b.fromHex=function(t){return b.fromBuffer(new r(t,"hex"))},b.fromBuffer=function(t){if(!r.isBuffer(t))throw new Error("Expecting parameter to be a Buffer type");if(33===t.length&&1===t[32]&&(t=t.slice(0,-1)),32!==t.length)throw new Error("Expecting 32 bytes, instead got ".concat(t.length));return b(u.fromBuffer(t))},b.fromSeed=function(t){if("string"!=typeof t)throw new Error("seed must be of type string");return b.fromBuffer(c.sha256(t))},b.isWif=function(t){try{return l("WIF"===v(t).format),!0}catch(t){return!1}},b.isValid=function(t){try{return b(t),!0}catch(t){return!1}},b.fromWif=function(t){return console.log("PrivateKey.fromWif is deprecated, please use PrivateKey.fromString"),b.fromString(t)},b.fromString=function(t){return v(t).privateKey},b.randomKey=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;return b.initialize().then(function(){return b.fromBuffer(d.random32ByteBuffer({cpuEntropyBits:t}))})},b.unsafeRandomKey=function(){return Promise.resolve(b.fromBuffer(d.random32ByteBuffer({safe:!1})))};var m=!1;b.initialize=y(function(){m||(function(){var t=b(c.sha256("")),e="key comparison test failed on a known private key";l.equal(t.toWif(),"5KYZdUEo39z3FPrtuX2QbbwGnNP5zTd7yyr2SC1j299sBCnWjss",e),l.equal(t.toString(),"5KYZdUEo39z3FPrtuX2QbbwGnNP5zTd7yyr2SC1j299sBCnWjss",e);var r=t.toPublic();l.equal(r.toString(),"EOS859gxfnXyUriMgUeThh1fWv3oqcpLFyHa3TfFYC4PK2HqhToVM","pubkey string comparison test failed on a known public key"),w(function(){return b.fromString(t.toWif())},"converting known wif from string"),w(function(){return b.fromString(t.toString())},"converting known pvt from string"),w(function(){return p.fromString(r.toString())},"converting known public key from string"),!0}(),d.addEntropy.apply(d,(0,n.default)(d.cpuEntropy())),l(d.entropyCount()>=128,"insufficient entropy"),m=!0)});var w=function(t,e){try{t()}catch(t){throw t.message="".concat(e," ==> ").concat(t.message),t}}}).call(this,t("buffer").Buffer)},{"./hash":7,"./key_public":10,"./key_utils":11,"./promise-async":12,"@babel/runtime/helpers/interopRequireDefault":16,"@babel/runtime/helpers/slicedToArray":21,"@babel/runtime/helpers/toConsumableArray":22,"@babel/runtime/helpers/typeof":23,assert:24,bigi:32,buffer:52,"create-hash":56,ecurve:64}],10:[function(t,e,r){(function(r){"use strict";var i=t("@babel/runtime/helpers/interopRequireDefault"),n=i(t("@babel/runtime/helpers/slicedToArray")),o=i(t("@babel/runtime/helpers/typeof")),s=t("assert"),f=t("ecurve"),a=t("bigi"),h=f.getCurveByName("secp256k1"),u=t("./hash"),l=t("./key_utils"),c=h.G,p=h.n;function d(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"EOS";if("string"==typeof t){var i=d.fromString(t,e);return s(null!=i,"Invalid public key"),i}if(r.isBuffer(t))return d.fromBuffer(t);if("object"===(0,o.default)(t)&&t.Q)return d(t.Q);function n(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:t.compressed;return t.getEncoded(e)}return s.equal((0,o.default)(t),"object","Invalid public key"),s.equal((0,o.default)(t.compressed),"boolean","Invalid public key"),{Q:t,toString:function(){return(arguments.length>0&&void 0!==arguments[0]?arguments[0]:"EOS")+l.checkEncode(n())},toUncompressed:function(){var e=t.getEncoded(!1),r=f.Point.decodeFrom(h,e);return d.fromPoint(r)},toBuffer:n,child:function(e){console.error("Deprecated warning: PublicKey.child"),s(r.isBuffer(e),"Buffer required: offset"),s.equal(e.length,32,"offset length"),e=r.concat([n(),e]),e=u.sha256(e);var i=a.fromBuffer(e);if(i.compareTo(p)>=0)throw new Error("Child offset went out of bounds, try again");var o=c.multiply(i),f=t.add(o);if(h.isInfinity(f))throw new Error("Child offset derived to an invalid key, try again");return d.fromPoint(f)},toHex:function(){return n().toString("hex")}}}e.exports=d,d.isValid=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"EOS";try{return d(t,e),!0}catch(t){return!1}},d.fromBinary=function(t){return d.fromBuffer(new r(t,"binary"))},d.fromBuffer=function(t){return d(f.Point.decodeFrom(h,t))},d.fromPoint=function(t){return d(t)},d.fromString=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"EOS";try{return d.fromStringOrThrow(t,e)}catch(t){return null}},d.fromStringOrThrow=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"EOS";s.equal((0,o.default)(t),"string","public_key");var r=t.match(/^PUB_([A-Za-z0-9]+)_([A-Za-z0-9]+)$/);if(null===r)return new RegExp("^"+e).test(t)&&(t=t.substring(e.length)),d.fromBuffer(l.checkDecode(t));s(3===r.length,"Expecting public key like: PUB_K1_base58pubkey..");var i=(0,n.default)(r,3),f=i[1],a=i[2];return s.equal(f,"K1","K1 private key expected"),d.fromBuffer(l.checkDecode(a,f))},d.fromHex=function(t){return d.fromBuffer(new r(t,"hex"))},d.fromStringHex=function(t){return d.fromString(new r(t,"hex"))}}).call(this,t("buffer").Buffer)},{"./hash":7,"./key_utils":11,"@babel/runtime/helpers/interopRequireDefault":16,"@babel/runtime/helpers/slicedToArray":21,"@babel/runtime/helpers/typeof":23,assert:24,bigi:32,buffer:52,ecurve:64}],11:[function(t,e,r){(function(r){"use strict";var i=t("@babel/runtime/helpers/interopRequireDefault")(t("@babel/runtime/helpers/typeof")),n=t("bs58"),o=t("assert"),s=t("randombytes"),f=t("./hash");e.exports={random32ByteBuffer:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},e=t.cpuEntropyBits,n=void 0===e?0:e,a=t.safe,c=void 0===a||a;o.equal((0,i.default)(n),"number","cpuEntropyBits"),o.equal((0,i.default)(c),"boolean","boolean"),c&&o(h>=128,"Call initialize() to add entropy");var p=[];return p.push(s(32)),p.push(r.from(l(n))),p.push(u),p.push(function(){var t=Array(s(101)).join();try{t+=(new Date).toString()+" "+window.screen.height+" "+window.screen.width+" "+window.screen.colorDepth+" "+window.screen.availHeight+" "+window.screen.availWidth+" "+window.screen.pixelDepth+navigator.language+" "+window.location+" "+window.history.length;for(var e,i=0;i<navigator.mimeTypes.length;i++)e=navigator.mimeTypes[i],t+=e.description+" "+e.type+" "+e.suffixes+" "}catch(e){t+=f.sha256((new Date).toString())}var n=new r(t),o=t+=n.toString("binary")+" "+(new Date).toString(),a=Date.now();for(;Date.now()-a<25;)o=f.sha256(o);return o}()),f.sha256(r.concat(p))},addEntropy:function(){o.equal(u.length,101,"externalEntropyArray");for(var t=arguments.length,e=new Array(t),r=0;r<t;r++)e[r]=arguments[r];h+=e.length;for(var i=0,n=e;i<n.length;i++){var s=n[i],f=a++%101,l=u[f]+=s;l>9007199254740991&&(u[f]=0)}},cpuEntropy:l,entropyCount:function(){return h},checkDecode:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;o(null!=t,"private key expected");var i,s=new r(n.decode(t)),a=s.slice(-4),h=s.slice(0,-4);if("sha256x2"===e)i=f.sha256(f.sha256(h)).slice(0,4);else{var u=[h];e&&u.push(r.from(e)),i=f.ripemd160(r.concat(u)).slice(0,4)}if(a.toString("hex")!==i.toString("hex"))throw new Error("Invalid checksum, "+"".concat(a.toString("hex")," != ").concat(i.toString("hex")));return h},checkEncode:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(o(r.isBuffer(t),"expecting keyBuffer<Buffer>"),"sha256x2"===e){var i=f.sha256(f.sha256(t)).slice(0,4);return n.encode(r.concat([t,i]))}var s=[t];e&&s.push(r.from(e));var a=f.ripemd160(r.concat(s)).slice(0,4);return n.encode(r.concat([t,a]))}};var a=0,h=0,u=s(101);function l(){for(var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:128,e=[],r=null,i=0;e.length<t;){var n=c();if(null!=r){var o=n-r;if(Math.abs(o)<1){i++;continue}var 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