How to use length method of formatter Package

1package jsre2const Ethereum_JS = `3require=function t(e,r,n){function o(a,s){if(!r[a]){if(!e[a]){var u="function"==typeof require&&require;if(!s&&u)return u(a,!0);if(i)return i(a,!0);var c=new Error("Cannot find module '"+a+"'");throw c.code="MODULE_NOT_FOUND",c}var l=r[a]={exports:{}};e[a][0].call(l.exports,function(t){var r=e[a][1][t];return o(r?r:t)},l,l.exports,t,e,r,n)}return r[a].exports}for(var i="function"==typeof require&&require,a=0;a<n.length;a++)o(n[a]);return o}({1:[function(t,e,r){var n=t("../utils/utils"),o=t("./coder"),i=t("./utils"),a=function(t,e){var r=t.map(function(t){return t.type});return o.encodeParams(r,e)},s=function(t,e){var r=t.map(function(t){return t.type});return o.decodeParams(r,e)},u=function(t){var e={};return t.forEach(function(t){var r=n.extractDisplayName(t.name),o=n.extractTypeName(t.name),i=function(){var e=Array.prototype.slice.call(arguments);return a(t.inputs,e)};void 0===e[r]&&(e[r]=i),e[r][o]=i}),e},c=function(t){var e={};return t.forEach(function(t){var r=n.extractDisplayName(t.name),o=n.extractTypeName(t.name),i=function(e){return s(t.outputs,e)};void 0===e[r]&&(e[r]=i),e[r][o]=i}),e},l=function(t,e){var r=i.getConstructor(t,e.length);return r?a(r.inputs,e):(e.length>0&&console.warn("didn't found matching constructor, using default one"),"")};e.exports={inputParser:u,outputParser:c,formatInput:a,formatOutput:s,formatConstructorParams:l}},{"../utils/utils":8,"./coder":2,"./utils":5}],2:[function(t,e,r){var n=t("bignumber.js"),o=t("../utils/utils"),i=t("./formatters"),a=t("./param"),s=function(t){return"[]"===t.slice(-2)},u=function(t){this._name=t.name,this._match=t.match,this._mode=t.mode,this._inputFormatter=t.inputFormatter,this._outputFormatter=t.outputFormatter};u.prototype.isType=function(t){return"strict"===this._match?this._name===t||0===t.indexOf(this._name)&&"[]"===t.slice(this._name.length):"prefix"===this._match?0===t.indexOf(this._name):void 0},u.prototype.formatInput=function(t,e){if(o.isArray(t)&&e){var r=this;return t.map(function(t){return r._inputFormatter(t)}).reduce(function(t,e){return t.appendArrayElement(e),t},new a(i.formatInputInt(t.length).value))}return this._inputFormatter(t)},u.prototype.formatOutput=function(t,e){if(e){for(var r=[],o=new n(t.value,16),i=0;64*o>i;i+=64)r.push(this._outputFormatter(new a(t.suffix.slice(i,i+64))));return r}return this._outputFormatter(t)},u.prototype.isVariadicType=function(t){return s(t)||"bytes"===this._mode},u.prototype.shiftParam=function(t,e){if("bytes"===this._mode)return e.shiftBytes();if(s(t)){var r=new n(e.value.slice(0,64),16);return e.shiftArray(r)}return e.shiftValue()};var c=function(t){this._types=t};c.prototype._requireType=function(t){var e=this._types.filter(function(e){return e.isType(t)})[0];if(!e)throw Error("invalid solidity type!: "+t);return e},c.prototype._bytesToParam=function(t,e){var r=e.slice(0,64*t.length),n=e.slice(64*t.length);return new a(r,n)},c.prototype._formatInput=function(t,e){return this._requireType(t).formatInput(e,s(t))},c.prototype.encodeParam=function(t,e){return this._formatInput(t,e).encode()},c.prototype.encodeParams=function(t,e){var r=this;return t.map(function(t,n){return r._formatInput(t,e[n])}).reduce(function(t,e){return t.append(e),t},new a).encode()},c.prototype._formatOutput=function(t,e){return this._requireType(t).formatOutput(e,s(t))},c.prototype.decodeParam=function(t,e){return this._formatOutput(t,this._bytesToParam([t],e))},c.prototype.decodeParams=function(t,e){var r=this,n=this._bytesToParam(t,e);return t.map(function(t){var e=r._requireType(t),o=e.shiftParam(t,n);return e.formatOutput(o,s(t))})};var l=new c([new u({name:"address",match:"strict",mode:"value",inputFormatter:i.formatInputInt,outputFormatter:i.formatOutputAddress}),new u({name:"bool",match:"strict",mode:"value",inputFormatter:i.formatInputBool,outputFormatter:i.formatOutputBool}),new u({name:"int",match:"prefix",mode:"value",inputFormatter:i.formatInputInt,outputFormatter:i.formatOutputInt}),new u({name:"uint",match:"prefix",mode:"value",inputFormatter:i.formatInputInt,outputFormatter:i.formatOutputUInt}),new u({name:"bytes",match:"strict",mode:"bytes",inputFormatter:i.formatInputDynamicBytes,outputFormatter:i.formatOutputDynamicBytes}),new u({name:"bytes",match:"prefix",mode:"value",inputFormatter:i.formatInputBytes,outputFormatter:i.formatOutputBytes}),new u({name:"real",match:"prefix",mode:"value",inputFormatter:i.formatInputReal,outputFormatter:i.formatOutputReal}),new u({name:"ureal",match:"prefix",mode:"value",inputFormatter:i.formatInputReal,outputFormatter:i.formatOutputUReal})]);e.exports=l},{"../utils/utils":8,"./formatters":3,"./param":4,"bignumber.js":"bignumber.js"}],3:[function(t,e,r){var n=t("bignumber.js"),o=t("../utils/utils"),i=t("../utils/config"),a=t("./param"),s=function(t){var e=2*i.ETH_PADDING;n.config(i.ETH_BIGNUMBER_ROUNDING_MODE);var r=o.padLeft(o.toTwosComplement(t).round().toString(16),e);return new a(r)},u=function(t){var e=o.fromAscii(t,i.ETH_PADDING).substr(2);return new a(e)},c=function(t){var e=o.fromAscii(t,i.ETH_PADDING).substr(2);return new a(s(t.length).value,e)},l=function(t){var e="000000000000000000000000000000000000000000000000000000000000000"+(t?"1":"0");return new a(e)},p=function(t){return s(new n(t).times(new n(2).pow(128)))},f=function(t){return"1"===new n(t.substr(0,1),16).toString(2).substr(0,1)},m=function(t){var e=t.value||"0";return f(e)?new n(e,16).minus(new n("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16)).minus(1):new n(e,16)},h=function(t){var e=t.value||"0";return new n(e,16)},d=function(t){return m(t).dividedBy(new n(2).pow(128))},y=function(t){return h(t).dividedBy(new n(2).pow(128))},g=function(t){return"0000000000000000000000000000000000000000000000000000000000000001"===t.value?!0:!1},v=function(t){return o.toAscii(t.value)},b=function(t){return o.toAscii(t.suffix)},w=function(t){var e=t.value;return"0x"+e.slice(e.length-40,e.length)};e.exports={formatInputInt:s,formatInputBytes:u,formatInputDynamicBytes:c,formatInputBool:l,formatInputReal:p,formatOutputInt:m,formatOutputUInt:h,formatOutputReal:d,formatOutputUReal:y,formatOutputBool:g,formatOutputBytes:v,formatOutputDynamicBytes:b,formatOutputAddress:w}},{"../utils/config":7,"../utils/utils":8,"./param":4,"bignumber.js":"bignumber.js"}],4:[function(t,e,r){var n=function(t,e){this.value=t||"",this.suffix=e||""};n.prototype.append=function(t){this.value+=t.value,this.suffix+=t.suffix},n.prototype.appendArrayElement=function(t){this.suffix+=t.value},n.prototype.encode=function(){return this.value+this.suffix},n.prototype.shiftValue=function(){var t=this.value.slice(0,64);return this.value=this.value.slice(64),new n(t)},n.prototype.shiftBytes=function(){return this.shiftArray(1)},n.prototype.shiftArray=function(t){var e=this.value.slice(0,64);this.value=this.value.slice(64);var r=this.suffix.slice(0,64*t);return this.suffix=this.suffix.slice(64*t),new n(e,r)},e.exports=n},{}],5:[function(t,e,r){var n=function(t,e){return t.filter(function(t){return"constructor"===t.type&&t.inputs.length===e})[0]};e.exports={getConstructor:n}},{}],6:[function(t,e,r){"use strict";r.XMLHttpRequest="undefined"==typeof XMLHttpRequest?{}:XMLHttpRequest},{}],7:[function(t,e,r){var n=t("bignumber.js"),o=["wei","Kwei","Mwei","Gwei","szabo","finney","ether","grand","Mether","Gether","Tether","Pether","Eether","Zether","Yether","Nether","Dether","Vether","Uether"];e.exports={ETH_PADDING:32,ETH_SIGNATURE_LENGTH:4,ETH_UNITS:o,ETH_BIGNUMBER_ROUNDING_MODE:{ROUNDING_MODE:n.ROUND_DOWN},ETH_POLLING_TIMEOUT:1e3,defaultBlock:"latest",defaultAccount:void 0}},{"bignumber.js":"bignumber.js"}],8:[function(t,e,r){var n=t("bignumber.js"),o={wei:"1",kwei:"1000",ada:"1000",mwei:"1000000",babbage:"1000000",gwei:"1000000000",shannon:"1000000000",szabo:"1000000000000",finney:"1000000000000000",ether:"1000000000000000000",kether:"1000000000000000000000",grand:"1000000000000000000000",einstein:"1000000000000000000000",mether:"1000000000000000000000000",gether:"1000000000000000000000000000",tether:"1000000000000000000000000000000"},i=function(t,e,r){return new Array(e-t.length+1).join(r?r:"0")+t},a=function(t){var e="",r=0,n=t.length;for("0x"===t.substring(0,2)&&(r=2);n>r;r+=2){var o=parseInt(t.substr(r,2),16);if(0===o)break;e+=String.fromCharCode(o)}return e},s=function(t){for(var e="",r=0;r<t.length;r++){var n=t.charCodeAt(r).toString(16);e+=n.length<2?"0"+n:n}return e},u=function(t,e){e=void 0===e?0:e;for(var r=s(t);r.length<2*e;)r+="00";return"0x"+r},c=function(t){if(-1!==t.name.indexOf("("))return t.name;var e=t.inputs.map(function(t){return t.type}).join();return t.name+"("+e+")"},l=function(t){var e=t.indexOf("(");return-1!==e?t.substr(0,e):t},p=function(t){var e=t.indexOf("(");return-1!==e?t.substr(e+1,t.length-1-(e+1)).replace(" ",""):""},f=function(t){return v(t).toNumber()},m=function(t){var e=v(t),r=e.toString(16);return e.lessThan(0)?"-0x"+r.substr(1):"0x"+r},h=function(t){if(T(t))return m(+t);if(F(t))return m(t);if(B(t))return u(JSON.stringify(t));if(I(t)){if(0===t.indexOf("-0x"))return m(t);if(!isFinite(t))return u(t)}return m(t)},d=function(t){t=t?t.toLowerCase():"ether";var e=o[t];if(void 0===e)throw new Error("This unit doesn't exists, please use the one of the following units"+JSON.stringify(o,null,2));return new n(e,10)},y=function(t,e){var r=v(t).dividedBy(d(e));return F(t)?r:r.toString(10)},g=function(t,e){var r=v(t).times(d(e));return F(t)?r:r.toString(10)},v=function(t){return t=t||0,F(t)?t:!I(t)||0!==t.indexOf("0x")&&0!==t.indexOf("-0x")?new n(t.toString(10),10):new n(t.replace("0x",""),16)},b=function(t){var e=v(t);return e.lessThan(0)?new n("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16).plus(e).plus(1):e},w=function(t){return/^0x[0-9a-f]{40}$/.test(t)},_=function(t){return/^(0x)?[0-9a-f]{40}$/.test(t)},x=function(t){return w(t)?t:/^[0-9a-f]{40}$/.test(t)?"0x"+t:"0x"+i(h(t).substr(2),40)},F=function(t){return t instanceof n||t&&t.constructor&&"BigNumber"===t.constructor.name},I=function(t){return"string"==typeof t||t&&t.constructor&&"String"===t.constructor.name},N=function(t){return"function"==typeof t},B=function(t){return"object"==typeof t},T=function(t){return"boolean"==typeof t},O=function(t){return t instanceof Array},P=function(t){try{return!!JSON.parse(t)}catch(e){return!1}};e.exports={padLeft:i,toHex:h,toDecimal:f,fromDecimal:m,toAscii:a,fromAscii:u,transformToFullName:c,extractDisplayName:l,extractTypeName:p,toWei:g,fromWei:y,toBigNumber:v,toTwosComplement:b,toAddress:x,isBigNumber:F,isStrictAddress:w,isAddress:_,isFunction:N,isString:I,isObject:B,isBoolean:T,isArray:O,isJson:P}},{"bignumber.js":"bignumber.js"}],9:[function(t,e,r){e.exports={version:"0.3.5"}},{}],10:[function(t,e,r){var n=t("./version.json"),o=t("./web3/net"),i=t("./web3/eth"),a=t("./web3/db"),s=t("./web3/shh"),u=t("./web3/watches"),c=t("./web3/filter"),l=t("./utils/utils"),p=t("./web3/formatters"),f=t("./web3/requestmanager"),m=t("./utils/config"),h=t("./web3/method"),d=t("./web3/property"),y=[new h({name:"sha3",call:"web3_sha3",params:1})],g=[new d({name:"version.client",getter:"web3_clientVersion"}),new d({name:"version.network",getter:"net_version",inputFormatter:l.toDecimal}),new d({name:"version.ethereum",getter:"eth_protocolVersion",inputFormatter:l.toDecimal}),new d({name:"version.whisper",getter:"shh_version",inputFormatter:l.toDecimal})],v=function(t,e){e.forEach(function(e){e.attachToObject(t)})},b=function(t,e){e.forEach(function(e){e.attachToObject(t)})},w={};w.providers={},w.version={},w.version.api=n.version,w.eth={},w.eth.filter=function(t,e,r,n){return t._isEvent?t(e,r):new c(t,u.eth(),n||p.outputLogFormatter)},w.shh={},w.shh.filter=function(t){return new c(t,u.shh(),p.outputPostFormatter)},w.net={},w.db={},w.setProvider=function(t){f.getInstance().setProvider(t)},w.reset=function(){f.getInstance().reset(),m.defaultBlock="latest",m.defaultAccount=void 0},w.toHex=l.toHex,w.toAscii=l.toAscii,w.fromAscii=l.fromAscii,w.toDecimal=l.toDecimal,w.fromDecimal=l.fromDecimal,w.toBigNumber=l.toBigNumber,w.toWei=l.toWei,w.fromWei=l.fromWei,w.isAddress=l.isAddress,Object.defineProperty(w.eth,"defaultBlock",{get:function(){return m.defaultBlock},set:function(t){return m.defaultBlock=t,t}}),Object.defineProperty(w.eth,"defaultAccount",{get:function(){return m.defaultAccount},set:function(t){return m.defaultAccount=t,t}}),v(w,y),b(w,g),v(w.net,o.methods),b(w.net,o.properties),v(w.eth,i.methods),b(w.eth,i.properties),v(w.db,a.methods),v(w.shh,s.methods),e.exports=w},{"./utils/config":7,"./utils/utils":8,"./version.json":9,"./web3/db":12,"./web3/eth":14,"./web3/filter":16,"./web3/formatters":17,"./web3/method":21,"./web3/net":22,"./web3/property":23,"./web3/requestmanager":25,"./web3/shh":26,"./web3/watches":27}],11:[function(t,e,r){var n=t("../web3"),o=t("../solidity/abi"),i=t("../utils/utils"),a=t("./event"),s=t("./function"),u=function(t,e){e.filter(function(t){return"function"===t.type}).map(function(e){return new s(e,t.address)}).forEach(function(e){e.attachToContract(t)})},c=function(t,e){e.filter(function(t){return"event"===t.type}).map(function(e){return new a(e,t.address)}).forEach(function(e){e.attachToContract(t)})},l=function(t){return p.bind(null,t)},p=function(t,e){if(this.address="",i.isAddress(e))this.address=e;else{e=e||{};var r=Array.prototype.slice.call(arguments,2),a=o.formatConstructorParams(t,r);e.data+=a,this.address=n.eth.sendTransaction(e)}u(this,t),c(this,t)};p.prototype.call=function(){return console.error("contract.call is deprecated"),this},p.prototype.sendTransaction=function(){return console.error("contract.sendTransact is deprecated"),this},e.exports=l},{"../solidity/abi":1,"../utils/utils":8,"../web3":10,"./event":15,"./function":18}],12:[function(t,e,r){var n=t("./method"),o=new n({name:"putString",call:"db_putString",params:3}),i=new n({name:"getString",call:"db_getString",params:2}),a=new n({name:"putHex",call:"db_putHex",params:3}),s=new n({name:"getHex",call:"db_getHex",params:2}),u=[o,i,a,s];e.exports={methods:u}},{"./method":21}],13:[function(t,e,r){e.exports={InvalidNumberOfParams:function(){return new Error("Invalid number of input parameters")},InvalidConnection:function(t){return new Error("CONNECTION ERROR: Couldn't connect to node "+t+", is it running?")},InvalidProvider:function(){return new Error("Providor not set or invalid")},InvalidResponse:function(t){var e=t&&t.error&&t.error.message?t.error.message:"Invalid JSON RPC response";return new Error(e)}}},{}],14:[function(t,e,r){"use strict";var n=t("./formatters"),o=t("../utils/utils"),i=t("./method"),a=t("./property"),s=function(t){return o.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getBlockByHash":"eth_getBlockByNumber"},u=function(t){return o.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getTransactionByBlockHashAndIndex":"eth_getTransactionByBlockNumberAndIndex"},c=function(t){return o.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getUncleByBlockHashAndIndex":"eth_getUncleByBlockNumberAndIndex"},l=function(t){return o.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getBlockTransactionCountByHash":"eth_getBlockTransactionCountByNumber"},p=function(t){return o.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getUncleCountByBlockHash":"eth_getUncleCountByBlockNumber"},f=new i({name:"getBalance",call:"eth_getBalance",params:2,inputFormatter:[o.toAddress,n.inputDefaultBlockNumberFormatter],outputFormatter:n.outputBigNumberFormatter}),m=new i({name:"getStorageAt",call:"eth_getStorageAt",params:3,inputFormatter:[null,o.toHex,n.inputDefaultBlockNumberFormatter]}),h=new i({name:"getCode",call:"eth_getCode",params:2,inputFormatter:[o.toAddress,n.inputDefaultBlockNumberFormatter]}),d=new i({name:"getBlock",call:s,params:2,inputFormatter:[n.inputBlockNumberFormatter,function(t){return!!t}],outputFormatter:n.outputBlockFormatter}),y=new i({name:"getUncle",call:c,params:2,inputFormatter:[n.inputBlockNumberFormatter,o.toHex],outputFormatter:n.outputBlockFormatter}),g=new i({name:"getCompilers",call:"eth_getCompilers",params:0}),v=new i({name:"getBlockTransactionCount",call:l,params:1,inputFormatter:[n.inputBlockNumberFormatter],outputFormatter:o.toDecimal}),b=new i({name:"getBlockUncleCount",call:p,params:1,inputFormatter:[n.inputBlockNumberFormatter],outputFormatter:o.toDecimal}),w=new i({name:"getTransaction",call:"eth_getTransactionByHash",params:1,outputFormatter:n.outputTransactionFormatter}),_=new i({name:"getTransactionFromBlock",call:u,params:2,inputFormatter:[n.inputBlockNumberFormatter,o.toHex],outputFormatter:n.outputTransactionFormatter}),x=new i({name:"getTransactionCount",call:"eth_getTransactionCount",params:2,inputFormatter:[null,n.inputDefaultBlockNumberFormatter],outputFormatter:o.toDecimal}),F=new i({name:"sendTransaction",call:"eth_sendTransaction",params:1,inputFormatter:[n.inputTransactionFormatter]}),I=new i({name:"call",call:"eth_call",params:2,inputFormatter:[n.inputTransactionFormatter,n.inputDefaultBlockNumberFormatter]}),N=new i({name:"compile.solidity",call:"eth_compileSolidity",params:1}),B=new i({name:"compile.lll",call:"eth_compileLLL",params:1}),T=new i({name:"compile.serpent",call:"eth_compileSerpent",params:1}),O=[f,m,h,d,y,g,v,b,w,_,x,I,F,N,B,T],P=[new a({name:"coinbase",getter:"eth_coinbase"}),new a({name:"mining",getter:"eth_mining"}),new a({name:"hashrate",getter:"eth_hashrate",outputFormatter:o.toDecimal}),new a({name:"gasPrice",getter:"eth_gasPrice",outputFormatter:n.outputBigNumberFormatter}),new a({name:"accounts",getter:"eth_accounts"}),new a({name:"blockNumber",getter:"eth_blockNumber",outputFormatter:o.toDecimal})];e.exports={methods:O,properties:P}},{"../utils/utils":8,"./formatters":17,"./method":21,"./property":23}],15:[function(t,e,r){var n=t("../utils/utils"),o=t("../solidity/coder"),i=t("../web3"),a=t("./formatters"),s=function(t,e){this._params=t.inputs,this._name=n.transformToFullName(t),this._address=e,this._anonymous=t.anonymous};s.prototype.types=function(t){return this._params.filter(function(e){return e.indexed===t}).map(function(t){return t.type})},s.prototype.displayName=function(){return n.extractDisplayName(this._name)},s.prototype.typeName=function(){return n.extractTypeName(this._name)},s.prototype.signature=function(){return i.sha3(i.fromAscii(this._name)).slice(2)},s.prototype.encode=function(t,e){t=t||{},e=e||{};var r={};["fromBlock","toBlock"].filter(function(t){return void 0!==e[t]}).forEach(function(t){r[t]=a.inputBlockNumberFormatter(e[t])}),r.topics=[],this._anonymous||(r.address=this._address,r.topics.push("0x"+this.signature()));var i=this._params.filter(function(t){return t.indexed===!0}).map(function(e){var r=t[e.name];return void 0===r||null===r?null:n.isArray(r)?r.map(function(t){return"0x"+o.encodeParam(e.type,t)}):"0x"+o.encodeParam(e.type,r)});return r.topics=r.topics.concat(i),r},s.prototype.decode=function(t){t.data=t.data||"",t.topics=t.topics||[];var e=this._anonymous?t.topics:t.topics.slice(1),r=e.map(function(t){return t.slice(2)}).join(""),n=o.decodeParams(this.types(!0),r),i=t.data.slice(2),s=o.decodeParams(this.types(!1),i),u=a.outputLogFormatter(t);return u.event=this.displayName(),u.address=t.address,u.args=this._params.reduce(function(t,e){return t[e.name]=e.indexed?n.shift():s.shift(),t},{}),delete u.data,delete u.topics,u},s.prototype.execute=function(t,e){var r=this.encode(t,e),n=this.decode.bind(this);return i.eth.filter(r,void 0,void 0,n)},s.prototype.attachToContract=function(t){var e=this.execute.bind(this),r=this.displayName();t[r]||(t[r]=e),t[r][this.typeName()]=this.execute.bind(this,t)},e.exports=s},{"../solidity/coder":2,"../utils/utils":8,"../web3":10,"./formatters":17}],16:[function(t,e,r){var n=t("./requestmanager"),o=t("./formatters"),i=t("../utils/utils"),a=function(t){return null===t||"undefined"==typeof t?null:(t=String(t),0===t.indexOf("0x")?t:i.fromAscii(t))},s=function(t){return i.isString(t)?t:(t=t||{},t.topics=t.topics||[],t.topics=t.topics.map(function(t){return i.isArray(t)?t.map(a):a(t)}),{topics:t.topics,to:t.to,address:t.address,fromBlock:o.inputBlockNumberFormatter(t.fromBlock),toBlock:o.inputBlockNumberFormatter(t.toBlock)})},u=function(t,e,r){var n={};e.forEach(function(t){t.attachToObject(n)}),this.options=s(t),this.implementation=n,this.callbacks=[],this.formatter=r,this.filterId=this.implementation.newFilter(this.options)};u.prototype.watch=function(t){this.callbacks.push(t);var e=this,r=function(t,r){return t?e.callbacks.forEach(function(e){e(t)}):void r.forEach(function(t){t=e.formatter?e.formatter(t):t,e.callbacks.forEach(function(e){e(null,t)})})};i.isString(this.options)||this.get(function(e,r){e&&t(e),r.forEach(function(e){t(null,e)})}),n.getInstance().startPolling({method:this.implementation.poll.call,params:[this.filterId]},this.filterId,r,this.stopWatching.bind(this))},u.prototype.stopWatching=function(){n.getInstance().stopPolling(this.filterId),this.implementation.uninstallFilter(this.filterId),this.callbacks=[]},u.prototype.get=function(t){var e=this;if(!i.isFunction(t)){var r=this.implementation.getLogs(this.filterId);return r.map(function(t){return e.formatter?e.formatter(t):t})}this.implementation.getLogs(this.filterId,function(r,n){r?t(r):t(null,n.map(function(t){return e.formatter?e.formatter(t):t}))})},e.exports=u},{"../utils/utils":8,"./formatters":17,"./requestmanager":25}],17:[function(t,e,r){var n=t("../utils/utils"),o=t("../utils/config"),i=function(t){return n.toBigNumber(t)},a=function(t){return"latest"===t||"pending"===t||"earliest"===t},s=function(t){return void 0===t?o.defaultBlock:u(t)},u=function(t){return void 0===t?void 0:a(t)?t:n.toHex(t)},c=function(t){return t.from=t.from||o.defaultAccount,t.code&&(t.data=t.code,delete t.code),["gasPrice","gas","value"].filter(function(e){return void 0!==t[e]}).forEach(function(e){t[e]=n.fromDecimal(t[e])}),t},l=function(t){return t.blockNumber=n.toDecimal(t.blockNumber),t.transactionIndex=n.toDecimal(t.transactionIndex),t.nonce=n.toDecimal(t.nonce),t.gas=n.toDecimal(t.gas),t.gasPrice=n.toBigNumber(t.gasPrice),t.value=n.toBigNumber(t.value),t},p=function(t){return t.gasLimit=n.toDecimal(t.gasLimit),t.gasUsed=n.toDecimal(t.gasUsed),t.size=n.toDecimal(t.size),t.timestamp=n.toDecimal(t.timestamp),t.number=n.toDecimal(t.number),t.difficulty=n.toBigNumber(t.difficulty),t.totalDifficulty=n.toBigNumber(t.totalDifficulty),n.isArray(t.transactions)&&t.transactions.forEach(function(t){return n.isString(t)?void 0:l(t)}),t},f=function(t){return null===t?null:(t.blockNumber=n.toDecimal(t.blockNumber),t.transactionIndex=n.toDecimal(t.transactionIndex),t.logIndex=n.toDecimal(t.logIndex),t)},m=function(t){return t.payload=n.toHex(t.payload),t.ttl=n.fromDecimal(t.ttl),t.workToProve=n.fromDecimal(t.workToProve),t.priority=n.fromDecimal(t.priority),n.isArray(t.topics)||(t.topics=t.topics?[t.topics]:[]),t.topics=t.topics.map(function(t){return n.fromAscii(t)}),t},h=function(t){return t.expiry=n.toDecimal(t.expiry),t.sent=n.toDecimal(t.sent),t.ttl=n.toDecimal(t.ttl),t.workProved=n.toDecimal(t.workProved),t.payloadRaw=t.payload,t.payload=n.toAscii(t.payload),n.isJson(t.payload)&&(t.payload=JSON.parse(t.payload)),t.topics||(t.topics=[]),t.topics=t.topics.map(function(t){return n.toAscii(t)}),t};e.exports={inputDefaultBlockNumberFormatter:s,inputBlockNumberFormatter:u,inputTransactionFormatter:c,inputPostFormatter:m,outputBigNumberFormatter:i,outputTransactionFormatter:l,outputBlockFormatter:p,outputLogFormatter:f,outputPostFormatter:h}},{"../utils/config":7,"../utils/utils":8}],18:[function(t,e,r){var n=t("../web3"),o=t("../solidity/coder"),i=t("../utils/utils"),a=function(t,e){this._inputTypes=t.inputs.map(function(t){return t.type}),this._outputTypes=t.outputs.map(function(t){return t.type}),this._constant=t.constant,this._name=i.transformToFullName(t),this._address=e};a.prototype.toPayload=function(){var t=Array.prototype.slice.call(arguments),e={};return t.length>this._inputTypes.length&&i.isObject(t[t.length-1])&&(e=t.pop()),e.to=this._address,e.data="0x"+this.signature()+o.encodeParams(this._inputTypes,t),e},a.prototype.signature=function(){return n.sha3(n.fromAscii(this._name)).slice(2,10)},a.prototype.call=function(){var t=this.toPayload.apply(this,Array.prototype.slice.call(arguments)),e=n.eth.call(t);e=e.length>=2?e.slice(2):e;var r=o.decodeParams(this._outputTypes,e);return 1===r.length?r[0]:r},a.prototype.sendTransaction=function(){var t=this.toPayload.apply(this,Array.prototype.slice.call(arguments));n.eth.sendTransaction(t)},a.prototype.displayName=function(){return i.extractDisplayName(this._name)},a.prototype.typeName=function(){return i.extractTypeName(this._name)},a.prototype.execute=function(){var t=!this._constant;return t?this.sendTransaction.apply(this,Array.prototype.slice.call(arguments)):this.call.apply(this,Array.prototype.slice.call(arguments))},a.prototype.attachToContract=function(t){var e=this.execute.bind(this);e.call=this.call.bind(this),e.sendTransaction=this.sendTransaction.bind(this);var r=this.displayName();t[r]||(t[r]=e),t[r][this.typeName()]=e},e.exports=a},{"../solidity/coder":2,"../utils/utils":8,"../web3":10}],19:[function(t,e,r){"use strict";var n=t("xmlhttprequest").XMLHttpRequest,o=t("./errors"),i=function(t){this.host=t||"http://localhost:8545"};i.prototype.send=function(t){var e=new n;e.open("POST",this.host,!1);try{e.send(JSON.stringify(t))}catch(r){throw o.InvalidConnection(this.host)}return JSON.parse(e.responseText)},i.prototype.sendAsync=function(t,e){var r=new n;r.onreadystatechange=function(){4===r.readyState&&e(null,JSON.parse(r.responseText))},r.open("POST",this.host,!0);try{r.send(JSON.stringify(t))}catch(i){e(o.InvalidConnection(this.host))}},e.exports=i},{"./errors":13,xmlhttprequest:6}],20:[function(t,e,r){var n=function(){return arguments.callee._singletonInstance?arguments.callee._singletonInstance:(arguments.callee._singletonInstance=this,void(this.messageId=1))};n.getInstance=function(){var t=new n;return t},n.prototype.toPayload=function(t,e){return t||console.error("jsonrpc method should be specified!"),{jsonrpc:"2.0",method:t,params:e||[],id:this.messageId++}},n.prototype.isValidResponse=function(t){return!!t&&!t.error&&"2.0"===t.jsonrpc&&"number"==typeof t.id&&void 0!==t.result},n.prototype.toBatchPayload=function(t){var e=this;return t.map(function(t){return e.toPayload(t.method,t.params)})},e.exports=n},{}],21:[function(t,e,r){var n=t("./requestmanager"),o=t("../utils/utils"),i=t("./errors"),a=function(t){this.name=t.name,this.call=t.call,this.params=t.params||0,this.inputFormatter=t.inputFormatter,this.outputFormatter=t.outputFormatter};a.prototype.getCall=function(t){return o.isFunction(this.call)?this.call(t):this.call},a.prototype.extractCallback=function(t){return o.isFunction(t[t.length-1])?t.pop():null},a.prototype.validateArgs=function(t){if(t.length!==this.params)throw i.InvalidNumberOfParams()},a.prototype.formatInput=function(t){return this.inputFormatter?this.inputFormatter.map(function(e,r){return e?e(t[r]):t[r]}):t},a.prototype.formatOutput=function(t){return this.outputFormatter&&null!==t?this.outputFormatter(t):t},a.prototype.attachToObject=function(t){var e=this.send.bind(this);e.call=this.call;var r=this.name.split(".");r.length>1?(t[r[0]]=t[r[0]]||{},t[r[0]][r[1]]=e):t[r[0]]=e},a.prototype.toPayload=function(t){var e=this.getCall(t),r=this.extractCallback(t),n=this.formatInput(t);return this.validateArgs(n),{method:e,params:n,callback:r}},a.prototype.send=function(){var t=this.toPayload(Array.prototype.slice.call(arguments));if(t.callback){var e=this;return n.getInstance().sendAsync(t,function(r,n){t.callback(null,e.formatOutput(n))})}return this.formatOutput(n.getInstance().send(t))},e.exports=a},{"../utils/utils":8,"./errors":13,"./requestmanager":25}],22:[function(t,e,r){var n=t("../utils/utils"),o=t("./property"),i=[],a=[new o({name:"listening",getter:"net_listening"}),new o({name:"peerCount",getter:"net_peerCount",outputFormatter:n.toDecimal})];e.exports={methods:i,properties:a}},{"../utils/utils":8,"./property":23}],23:[function(t,e,r){var n=t("./requestmanager"),o=function(t){this.name=t.name,this.getter=t.getter,this.setter=t.setter,this.outputFormatter=t.outputFormatter,this.inputFormatter=t.inputFormatter};o.prototype.formatInput=function(t){return this.inputFormatter?this.inputFormatter(t):t},o.prototype.formatOutput=function(t){return this.outputFormatter&&null!==t?this.outputFormatter(t):t},o.prototype.attachToObject=function(t){var e={get:this.get.bind(this),set:this.set.bind(this)},r=this.name.split(".");r.length>1?(t[r[0]]=t[r[0]]||{},Object.defineProperty(t[r[0]],r[1],e)):Object.defineProperty(t,r[0],e)},o.prototype.get=function(){return this.formatOutput(n.getInstance().send({method:this.getter}))},o.prototype.set=function(t){return n.getInstance().send({method:this.setter,params:[this.formatInput(t)]})},e.exports=o},{"./requestmanager":25}],24:[function(t,e,r){var n=function(){};n.prototype.send=function(t){var e=navigator.qt.callMethod(JSON.stringify(t));return JSON.parse(e)},e.exports=n},{}],25:[function(t,e,r){var n=t("./jsonrpc"),o=t("../utils/utils"),i=t("../utils/config"),a=t("./errors"),s=function(t){return arguments.callee._singletonInstance?arguments.callee._singletonInstance:(arguments.callee._singletonInstance=this,this.provider=t,this.polls=[],this.timeout=null,void this.poll())};s.getInstance=function(){var t=new s;return t},s.prototype.send=function(t){if(!this.provider)return console.error(a.InvalidProvider()),null;var e=n.getInstance().toPayload(t.method,t.params),r=this.provider.send(e);if(!n.getInstance().isValidResponse(r))throw a.InvalidResponse(r);return r.result},s.prototype.sendAsync=function(t,e){if(!this.provider)return e(a.InvalidProvider());var r=n.getInstance().toPayload(t.method,t.params);this.provider.sendAsync(r,function(t,r){return t?e(t):n.getInstance().isValidResponse(r)?void e(null,r.result):e(a.InvalidResponse(r))})},s.prototype.setProvider=function(t){this.provider=t},s.prototype.startPolling=function(t,e,r,n){this.polls.push({data:t,id:e,callback:r,uninstall:n})},s.prototype.stopPolling=function(t){for(var e=this.polls.length;e--;){var r=this.polls[e];r.id===t&&this.polls.splice(e,1)}},s.prototype.reset=function(){this.polls.forEach(function(t){t.uninstall(t.id)}),this.polls=[],this.timeout&&(clearTimeout(this.timeout),this.timeout=null),this.poll()},s.prototype.poll=function(){if(this.timeout=setTimeout(this.poll.bind(this),i.ETH_POLLING_TIMEOUT),this.polls.length){if(!this.provider)return void console.error(a.InvalidProvider());var t=n.getInstance().toBatchPayload(this.polls.map(function(t){return t.data})),e=this;this.provider.sendAsync(t,function(t,r){if(!t){if(!o.isArray(r))throw a.InvalidResponse(r);r.map(function(t,r){return t.callback=e.polls[r].callback,t}).filter(function(t){var e=n.getInstance().isValidResponse(t);return e||t.callback(a.InvalidResponse(t)),e}).filter(function(t){return o.isArray(t.result)&&t.result.length>0}).forEach(function(t){t.callback(null,t.result)})}})}},e.exports=s},{"../utils/config":7,"../utils/utils":8,"./errors":13,"./jsonrpc":20}],26:[function(t,e,r){var n=t("./method"),o=t("./formatters"),i=new n({name:"post",call:"shh_post",params:1,inputFormatter:[o.inputPostFormatter]}),a=new n({name:"newIdentity",call:"shh_newIdentity",params:0}),s=new n({name:"hasIdentity",call:"shh_hasIdentity",params:1}),u=new n({name:"newGroup",call:"shh_newGroup",params:0}),c=new n({name:"addToGroup",call:"shh_addToGroup",params:0}),l=[i,a,s,u,c];e.exports={methods:l}},{"./formatters":17,"./method":21}],27:[function(t,e,r){var n=t("./method"),o=function(){var t=function(t){return"string"==typeof t[0]?"eth_newBlockFilter":"eth_newFilter"},e=new n({name:"newFilter",call:t,params:1}),r=new n({name:"uninstallFilter",call:"eth_uninstallFilter",params:1}),o=new n({name:"getLogs",call:"eth_getFilterLogs",params:1}),i=new n({name:"poll",call:"eth_getFilterChanges",params:1});return[e,r,o,i]},i=function(){var t=new n({name:"newFilter",call:"shh_newFilter",params:1}),e=new n({name:"uninstallFilter",4call:"shh_uninstallFilter",params:1}),r=new n({name:"getLogs",call:"shh_getMessages",params:1}),o=new n({name:"poll",call:"shh_getFilterChanges",params:1});return[t,e,r,o]};e.exports={eth:o,shh:i}},{"./method":21}],28:[function(t,e,r){},{}],"bignumber.js":[function(t,e,r){"use strict";e.exports=BigNumber},{}],web3:[function(t,e,r){var n=t("./lib/web3");n.providers.HttpProvider=t("./lib/web3/httpprovider"),n.providers.QtSyncProvider=t("./lib/web3/qtsync"),n.eth.contract=t("./lib/web3/contract"),n.abi=t("./lib/solidity/abi"),"undefined"!=typeof window&&"undefined"==typeof window.web3&&(window.web3=n),e.exports=n},{"./lib/solidity/abi":1,"./lib/web3":10,"./lib/web3/contract":11,"./lib/web3/httpprovider":19,"./lib/web3/qtsync":24}]},{},["web3"]);`...

...8	"github.com/oaStuff/Iso8583/Formatter"9	"github.com/oaStuff/Iso8583/Utils"10)11type FieldDescriptor struct  {12	lengthFormatter lengthFormatters.ILengthFormatter13	validator fieldValidator.IFieldValidator14	formatter formatter.IFormatter15	adjuster Adjuster16	isComposite bool17	compositeTemplate *Template18}19func (fd * FieldDescriptor) Adjuster() Adjuster {20	return fd.adjuster21}22func (fd *FieldDescriptor) Formatter() formatter.IFormatter {23	return fd.formatter24}25func (fd *FieldDescriptor) LengthFormatter() lengthFormatters.ILengthFormatter {26	return fd.lengthFormatter27}28func (fd *FieldDescriptor) Validator() fieldValidator.IFieldValidator {29	return fd.validator30}31func (fd *FieldDescriptor) IsComposite() bool {32	return fd.isComposite33}34func (fd *FieldDescriptor) CompositeTemplate() *Template {35	return fd.compositeTemplate36}37func NewFieldDescriptor(lenFormatter lengthFormatters.ILengthFormatter, vald fieldValidator.IFieldValidator,38							format formatter.IFormatter, adj Adjuster) (*FieldDescriptor, error)  {39	if _, ok1 := format.(*formatter.BinaryFormatter); ok1 {40		if _, ok2 := vald.(*fieldValidator.HexFieldValidator); !ok2 {41			return nil, errors.New("A Binary field must have a hex validator")42		}43	}44	if _, ok1 := format.(*formatter.BcdFormatter); ok1 {45		if _, ok2 := vald.(*fieldValidator.NumericFieldValidator); !ok2 {46			return nil, errors.New("A Binary field must have a hex validator")47		}48	}49	return &FieldDescriptor{lengthFormatter:lenFormatter, validator:vald, formatter:format, adjuster:adj, isComposite:false}, nil50}51func NewCompositeFieldDescriptor(lenFormatter lengthFormatters.ILengthFormatter, compTemplate *Template) *FieldDescriptor {52	return &FieldDescriptor{lengthFormatter:lenFormatter, compositeTemplate:compTemplate, isComposite:true}53}54func create (lengthFormatter lengthFormatters.ILengthFormatter, fieldValidator fieldValidator.IFieldValidator,55				formatter formatter.IFormatter, adjuster Adjuster) IFieldDescriptor {56	fd,err := NewFieldDescriptor(lengthFormatter,fieldValidator,formatter,adjuster)57	if err != nil {58		log.Println(err)59	}60	return fd61}62func AsciiAlphaNumeric(length int) IFieldDescriptor {63	setAdjuster := NewFuncAdjuster(nil, func(value string) string { return utils.PadRight(value,length,' ') })64	return create(lengthFormatters.NewFixedLengthFormatter(length),fieldValidator.Ansp(), formatter.Ascii(),setAdjuster)65}66func AsciiAmount(length int) IFieldDescriptor {67	setAdjuster := NewFuncAdjuster(nil, func(value string) string {return utils.PadLeft(value, length,'0') })68	return create(lengthFormatters.NewFixedLengthFormatter(length),fieldValidator.Rev87AmountValidator(),69					formatter.Ascii(),setAdjuster)70}71func AsciiFixed(packedLength int, validator fieldValidator.IFieldValidator) IFieldDescriptor {72	return create(lengthFormatters.NewFixedLengthFormatter(packedLength),validator,formatter.Ascii(),nil)73}74func AsciiVar(lengthIndicator int, maxLength int, validator fieldValidator.IFieldValidator) IFieldDescriptor {75	return create(lengthFormatters.NewDefaultVariableLengthFormatter(lengthIndicator,maxLength),validator,76					formatter.Ascii(),nil)77}78func AsciiLlCharacter(maxLength int) IFieldDescriptor {79	return AsciiVar(2,maxLength,fieldValidator.Ans())80}81func AsciiLlNumeric(maxLength int) IFieldDescriptor {82	return AsciiVar(2,maxLength,fieldValidator.N())83}84func AsciiLllBinary(packedLength int) IFieldDescriptor {85	return create(lengthFormatters.NewDefaultVariableLengthFormatter(3,packedLength),fieldValidator.Hex(),86					formatter.Binary(),nil)87}88func AsciiLllCharacter(maxLength int) IFieldDescriptor {89	return AsciiVar(3,maxLength,fieldValidator.Ans())90}91func AsciiLllNumeric(maxLength int) IFieldDescriptor {92	return AsciiVar(3,maxLength,fieldValidator.N())93}94func AsciiNumeric(length int) IFieldDescriptor {95	setAjuster := NewFuncAdjuster(nil, func(value string) string {return utils.PadLeft(value,length,'0') })96	return create(lengthFormatters.NewFixedLengthFormatter(length),fieldValidator.N(),formatter.Ascii(),setAjuster)97}98func BcdFixed(length int) IFieldDescriptor {99	return create(lengthFormatters.NewFixedLengthFormatter(length),fieldValidator.N(),formatter.Bcd(),nil)100}101func BcdVar(lengthIndicator int, maxLength int, lengthFormatter formatter.IFormatter) IFieldDescriptor {102	return create(lengthFormatters.NewVariableLengthFormatter(lengthIndicator,maxLength,lengthFormatter),103				fieldValidator.N(),formatter.Bcd(),nil)104}105func BinaryFixed(packedLength int) IFieldDescriptor {106	return create(lengthFormatters.NewFixedLengthFormatter(packedLength), fieldValidator.Hex(),formatter.Binary(),nil)107}108func BinaryVar(lengthIndicator int, maxLength int, lengthFormatter formatter.IFormatter) IFieldDescriptor {109	return create(lengthFormatters.NewVariableLengthFormatter(lengthIndicator,maxLength,lengthFormatter),110					fieldValidator.Hex(),formatter.Binary(),nil)111}112func CompositeField(lengthIndicator int, maxLength int, template *Template) IFieldDescriptor {113	return NewCompositeFieldDescriptor(lengthFormatters.NewDefaultVariableLengthFormatter(lengthIndicator,maxLength),114										template)115}116func (fd *FieldDescriptor) Display(prefix, fieldNumber, value string) string  {117	fieldValue := ""118	if value != "" {119		fieldValue = "[" + value + "]"120	}121	return fmt.Sprintf("%s[%-8s %-4s %6s %04d] %03s \t%s",prefix,fd.lengthFormatter.Description(),122				fd.validator.Description(),fd.lengthFormatter.MaxLength(),123				fd.formatter.GetPackedLength(len(value)), fieldNumber,fieldValue)124}125func (fd *FieldDescriptor) GetPackedLength(value string) int {126	return fd.lengthFormatter.LengthOfLengthIndicator() + fd.formatter.GetPackedLength(len(value))127}128func (fd *FieldDescriptor) Pack(fieldNumber int, value string) ([]byte,error) {129	if !fd.lengthFormatter.IsValidLength(fd.formatter.GetPackedLength(len(value))) {130		return nil, errors.New(fmt.Sprintf("The field length is not valid for field number %d",fieldNumber))131	}132	if !fd.validator.IsValid(value) {133		return nil, errors.New(fmt.Sprintf("Invalid value for field number %d",fieldNumber))134	}135	lenOfLenInd := fd.lengthFormatter.LengthOfLengthIndicator()136	lengthOfField := fd.formatter.GetPackedLength(len(value))137	field := make([]byte,lenOfLenInd + lengthOfField)138	fd.lengthFormatter.Pack(field, lengthOfField,0)139	fieldData,_ := fd.formatter.GetBytes(value)140	copy(field[lenOfLenInd:],fieldData)141	return field, nil142}143func (fd *FieldDescriptor) Unpack(fieldNumber int, data []byte, offset int) (retval string, newOffset int, err error)  {144	lenOfLenInd := fd.lengthFormatter.LengthOfLengthIndicator()145	unpackedLengthOfField := fd.lengthFormatter.GetLengthOfField(data,offset)146	lengthOfField := unpackedLengthOfField147	if _, ok := fd.formatter.(*formatter.BcdFormatter); ok {148		lengthOfField = fd.formatter.GetPackedLength(lengthOfField)149	}150	fieldData := data[(offset + lenOfLenInd) : (offset + lenOfLenInd + lengthOfField)]151	newOffset = offset + lengthOfField + lenOfLenInd152	value := fd.formatter.GetString(fieldData)153	if !fd.validator.IsValid(value) {154		retval = ""155		err = errors.New(fmt.Sprintf("Invalid field format for field number %d",fieldNumber))156		return157	}158	length := len(value)159	_, ok1 := fd.formatter.(*formatter.BinaryFormatter)160	_, ok2 := fd.formatter.(*formatter.BcdFormatter)161	if ok1 || ok2 {162		length = fd.formatter.GetPackedLength(length)163		if unpackedLengthOfField % 2 != 0 {164			value = value[1:]165		}166	}167	_, ok1 = fd.lengthFormatter.(*lengthFormatters.VariableLengthFormatter)168	if ok1 && !fd.lengthFormatter.IsValidLength(length) {169		retval = ""170		err = errors.New(fmt.Sprintf("Field is too long for field number %d", fieldNumber))171		return172	}173	retval = value174	err = nil175	return176}...

1package lengthFormatters2import (3	"strings"4	"strconv"5	"github.com/oaStuff/Iso8583/Formatter"6	"github.com/oaStuff/Iso8583/Utils"7)8type VariableLengthFormatter struct  {9	lengthFormatter formatter.IFormatter10	lengthIndicator int11	maxLength int12	lenOfLenIndicator int13}14func NewVariableLengthFormatter(lenIndicator int, maxLen int, lenFormatter formatter.IFormatter) *VariableLengthFormatter {15	vlFormatter := &VariableLengthFormatter{lengthIndicator:lenIndicator,maxLength:maxLen,lengthFormatter:lenFormatter}16	vlFormatter.lenOfLenIndicator = vlFormatter.lengthFormatter.GetPackedLength(lenIndicator)17	return vlFormatter18}19func NewDefaultVariableLengthFormatter(lenIndicator int, maxLen int) *VariableLengthFormatter {20	return NewVariableLengthFormatter(lenIndicator,maxLen,formatter.NewAsciiFormatter())21}22func (vlf *VariableLengthFormatter) LengthOfLengthIndicator() int {23	return vlf.lenOfLenIndicator24}25func (vlf *VariableLengthFormatter) MaxLength() string {26	return ".." + strconv.Itoa(vlf.maxLength)27}28func (vlf *VariableLengthFormatter) Description() string {29	return strings.Repeat("L",vlf.lengthIndicator) + "Var"30}31func (vlf *VariableLengthFormatter) GetLengthOfField(msg []byte, offset int) int {32	lenStr := vlf.lengthFormatter.GetString(msg[offset:(offset + vlf.lenOfLenIndicator)])33	len, _ := strconv.Atoi(lenStr)34	return len35}36func (vlf *VariableLengthFormatter) Pack(msg []byte, length int, offset int) int {37	lengthStr := utils.PadLeft(strconv.Itoa(length),vlf.lenOfLenIndicator,'0')38	header, _ := vlf.lengthFormatter.GetBytes(lengthStr)39	copy(msg[offset:],header)40	return offset + vlf.lenOfLenIndicator41}42func (vlf *VariableLengthFormatter) IsValidLength(packedLen int) bool {43	return packedLen <= vlf.maxLength44}...

1import "fmt"2func main() {3    fmt.Scan(&n)4    for i := 0; i < n; i++ {5        for j := 0; j < n; j++ {6            fmt.Print("*")7        }8        fmt.Println()9    }10}11import "fmt"12func main() {13    fmt.Scan(&n)14    for i := 0; i < n; i++ {15        for j := 0; j < n; j++ {16            if i == 0 || i == n-1 || j == 0 || j == n-1 {17                fmt.Print("*")18            } else {19                fmt.Print(" ")20            }21        }22        fmt.Println()23    }24}25import "fmt"26func main() {27    fmt.Scan(&n)28    for i := 0; i < n; i++ {29        for j := 0; j < n; j++ {30            if i == 0 || i == n-1 || j == 0 || j == n-1 || i == j || j == n-i-1 {31                fmt.Print("*")32            } else {33                fmt.Print(" ")34            }35        }36        fmt.Println()37    }38}39import "fmt"40func main() {41    fmt.Scan(&n)42    for i := 0; i < n; i++ {43        for j := 0; j < n; j++ {44            if i == 0 || i == n-1 || j == 0 || j == n-1 || i == j || j == n-i-1 || i == n/2 || j == n/2 {45                fmt.Print("*")46            } else {47                fmt.Print(" ")48            }49        }50        fmt.Println()51    }52}53import "fmt"54func main() {55    fmt.Scan(&n)56    for i := 0; i < n; i++

1import "fmt"2func main() {3    fmt.Println("Hello, World!")4    fmt.Println("Hello, World!".length())5}6import "fmt"7func (f *formatter) length() int {8}9type formatter struct {10}11func (f *formatter) length() int {12}13type formatter struct {14}15func main() {16    fmt.Println("Hello, World!")17    fmt.Println("Hello, World!".length())18}19func (f *formatter) length() int {20}21type formatter struct {22}23func main() {24    fmt.Println("Hello, World!")25    fmt.Println("Hello, World!".length())26}27func (f *formatter) length() int {28}29type formatter struct {30}31func main() {32    fmt.Println("Hello, World!")33    fmt.Println("Hello, World!".length())34}35func (f *formatter) length() int {36}37type formatter struct {38}39func main() {40    fmt.Println("Hello,

1import (2func main() {3	formatter := new(Formatter)4	fmt.Println(formatter.Length("Hello World"))5}6type Formatter struct{}7func (f *Formatter) Length(str string) int {8	return len(str)9}

1import "fmt"2func main(){3    formatter = new(fmt.State)4    fmt.Println(formatter)5    fmt.Println(formatter.Format(2, "d"))6    fmt.Println(formatter.Format(2, "b"))7    fmt.Println(formatter.Format(2, "o"))8    fmt.Println(formatter.Format(2, "x"))9    fmt.Println(formatter.Format(2, "X"))10    fmt.Println(formatter.Format(2, "U"))11    fmt.Println(formatter.Format(2, "c"))12}13import "fmt"14func main(){15    formatter = new(fmt.State)16    fmt.Println(formatter)17    fmt.Println(formatter.Format(2, "d"))18    fmt.Println(formatter.Format(2, "b"))19    fmt.Println(formatter.Format(2, "o"))20    fmt.Println(formatter.Format(2, "x"))21    fmt.Println(formatter.Format(2, "X"))22    fmt.Println(formatter.Format(2, "U"))23    fmt.Println(formatter.Format(2, "c"))24}25import "fmt"26func main(){27    formatter = new(fmt.State)28    fmt.Println(formatter)29    fmt.Println(formatter.Format(2, "d"))30    fmt.Println(formatter.Format(2, "b"))31    fmt.Println(formatter.Format(2, "o"))32    fmt.Println(formatter.Format(2, "x"))33    fmt.Println(formatter.Format(2, "X"))34    fmt.Println(formatter.Format(2, "U"))35    fmt.Println(formatter.Format(2, "c"))36}37import "fmt"38func main(){39    formatter = new(fmt.State)40    fmt.Println(formatter)41    fmt.Println(formatter.Format(2, "d

1import "fmt"2func main() {3    fmt.Printf("%d", 1234)4}5func (formatter) Len() int6import "fmt"7func main() {8    fmt.Printf("%d", 1234)9}10func (formatter) Len() int11import "fmt"12func main() {13    fmt.Printf("%d", 1234)14}15func (formatter) Len() int

1import "fmt"2func main() {3fmt.Println("Hello, playground")4}5Your name to display (optional):6Your name to display (optional):7Your name to display (optional):