### Chart Initialization and Event Binding

Source: https://web3.career/web3-salaries

Handles the initial setup of the chart, including responsive behavior, event binding, and plugin notifications. It ensures the chart is ready for rendering and interaction.

```javascript
_initialize(){
  return this.notifyPlugins("beforeInit"),this.options.responsive?this.resize():we(this,this.options.devicePixelRatio),this.bindEvents(),this.notifyPlugins("afterInit"),this
}
bindEvents(){
  const t=this.options;
  this._responsiveListeners=t.responsive&&this.platform.addResizeListener(this.canvas,this._doResize),u(t.events,(e=>xt.listen(this,e,t=>this._eventHandler(t))))
}
unbindEvents(){
  this.platform.removeResizeListener(this.canvas,this._doResize),u(this._listeners,(t=>xt.stop(this,t)))
}
```

--------------------------------

### Chart.js JavaScript Dataset Controller Example

Source: https://web3.career/web3-salaries

A conceptual JavaScript snippet illustrating the structure of a Chart.js dataset controller, showing method definitions and internal property usage.

```javascript
class MyDatasetController {
  constructor(chart, datasetIndex) {
    this.chart = chart;
    this.index = datasetIndex;
    this._cachedMeta = chart.getDatasetMeta(datasetIndex);
    this._data = null;
    this._parsing = null;
    this._cachedDataOpts = {};
    this._update('reset');
  }

  _update(mode) {
    // Update logic based on mode
    console.log(`Updating dataset ${this.index} in mode: ${mode}`);
  }

  _destroy() {
    // Cleanup logic
    console.log(`Destroying dataset ${this.index}`);
  }

  _dataCheck() {
    const dataset = this.getDataset();
    let data = dataset.data || (dataset.data = []);
    if (Array.isArray(data)) {
      // If data is already an array, use it
      this._data = data;
    } else {
      // Convert object data to array format if needed
      this._data = this._convertObjectDataToArray(data);
    }
  }

  _convertObjectDataToArray(objData) {
    const keys = Object.keys(objData);
    const arrData = new Array(keys.length);
    for (let i = 0; i < keys.length; i++) {
      const key = keys[i];
      arrData[i] = { x: key, y: objData[key] };
    }
    return arrData;
  }

  addElements() {
    if (this.datasetElementType) {
      this._cachedMeta.dataset = new this.datasetElementType(this);
    }
  }

  buildOrUpdateElements(data) {
    this._dataCheck();
    // Logic to build or update elements based on parsed data
    console.log('Building or updating elements');
  }

  parse(start, count) {
    const meta = this._cachedMeta;
    const data = this._data;
    // Parsing logic based on meta.parsing and data format
    meta._parsed = this.parseObjectData(meta, data, start, count);
    console.log(`Parsed ${count} data points starting from ${start}`);
  }

  parseObjectData(meta, data, start, count) {
    const { xScale, yScale } = meta;
    const { xAxisKey = 'x', yAxisKey = 'y' } = meta.parsing;
    const parsed = new Array(count);
    for (let i = 0; i < count; i++) {
      const index = i + start;
      const item = data[index];
      parsed[i] = {
        x: xScale.parse(item[xAxisKey], index),
        y: yScale.parse(item[yAxisKey], index)
      };
    }
    return parsed;
  }

  getDataset() {
    return this.chart.data.datasets[this.index];
  }

  getMeta() {
    return this._cachedMeta;
  }

  getScaleForId(scaleID) {
    return this.chart.scales[scaleID];
  }

  update(mode) {
    this.update(mode || 'default');
  }

  draw() {
    // Drawing logic for dataset and data elements
    console.log('Drawing dataset elements');
  }
}
```

--------------------------------

### Proxy and Object Handling Utilities

Source: https://web3.career/web3-salaries

Provides functions for creating proxies, managing object descriptors, and handling property access. Includes utilities for scriptable and indexable object properties, and methods for getting, setting, and reflecting properties.

```javascript
function $e(t,e={scriptable:!0,indexable:!0}){const{\_scriptable:i=e.scriptable,\_indexable:s=e.indexable,\_allKeys:n=e.allKeys}=t;return{allKeys:n,scriptable:i,indexable:s,isScriptable:S(i)?i:()=>i,isIndexable:S(s)?s:()=>s}}

const Ye=(t,e)=>t?t+w(e):e,
Ue=(t,e)=>o(e)&&"adapters"!==t&&(null===Object.getPrototypeOf(e)||e.constructor===Object);

function Xe(t,e,i){if(Object.prototype.hasOwnProperty.call(t,e))return t[e];const s=i();return t[e]=s,s}

function qe(t,e,i){return S(t)?t(e,i):t}

const Ke=(t,e)=>!0===t?!0:"string"==typeof t?M(e,t):void 0;

function Ge(t,e,i,s,n){for(const o of e){const e=Ke(i,o);if(e){t.add(e);const o=qe(e._fallback,i,n);if(k(o)&&o!==i&&o!==s)return o}}else if(!1===e&&k(s)&&i!==s)return null}return!1}

function Ze(t,e,i,s){const a=e._rootScopes,r=qe(e._fallback,i,s),l=[...t,...a],h=new Set;h.add(s);let c=Je(h,l,i,r||i,s);return null!==c&&((!k(r)||r===i||(c=Je(h,l,r,c,s),null!==c))&&He(Array.from(h),[""],a,r,(()=>function(t,e,i){const s=t._getTarget();e in s||(s[e]={});const a=s[e];if(n(a)&&o(i))return i;return a||{}}(e,i,s))))}

function Je(t,e,i,s,n){for(;i;)i=Ge(t,e,i,s,n);return i}

function Qe(t,e){for(const i of e){if(!i)continue;const e=i[t];if(k(e))return e}}

function ti(t){let e=t._keys;return e||(e=t._keys=function(t){const e=new Set;for(const i of t)for(const t of Object.keys(i).filter((t=>!t.startsWith("_"))))e.add(t);return Array.from(e)}(t._scopes)),e}

function ei(t,e,i,s){const{iScale:n}=t,{key:o="r"}=this._parsing,a=new Array(s);let r,l,h,c;for(r=0,l=s;r<l;++r)h=r+i,c=e[h],a[r]={r:n.parse(M(c,o),h)};return a}
```

--------------------------------

### Laravel Web3.php Ethereum Contract Interaction

Source: https://web3.career/learn-web3

This documentation outlines the process of interacting with Ethereum smart contracts using the web3.php library within a Laravel application. It covers installation, connecting to an Ethereum node, instantiating a contract using its ABI and address, and calling contract functions. Dependencies include the web3.php library and a running Ethereum node. Refer to the web3.php GitHub repository for more details.

```bash
composer require web3p/web3.php
```

```php
<?php

use Web3\\Web3;
use Web3\\Contract;
use Web3\\Utils;

// 1. Connect to the Ethereum network
// Replace with your Ethereum node URL (e.g., Infura, local Ganache)
$web3 = new Web3('http://localhost:8545');

// 2. Instantiate the contract
// Replace $abi with the Application Binary Interface of your contract
// Replace $contractAddress with the address of your contract on the Ethereum network
$abi = json_decode(file_get_contents('path/to/your/contract.abi')); // Example: load ABI from file
$contractAddress = '0xYourContractAddress';
$contract = new Contract($web3->provider, $abi);
$contract->at($contractAddress);

// 3. Call a function on the contract
// Replace 'functionName' with the actual function name
// Replace [$arg1, $arg2] with the function's arguments
$functionName = 'yourFunctionName';
$arguments = ['argument1', 'argument2']; // Example arguments

// For view/read functions:
$result = $contract->call($functionName, $arguments);

// For transaction/write functions, you'd typically use sendTransaction
// $transaction = $contract->sendTransaction($functionName, $arguments, ['from' => $senderAddress, 'gas' => $gasLimit]);
// $receipt = $web3->eth->getTransactionReceipt($transaction->hash);

// The $result variable will contain the return value of the function.
// For more information, refer to: https://github.com/sc0Vu/web3.php
```

--------------------------------

### Call Ethereum Contract Functions in Laravel with web3.php

Source: https://web3.career/learn-web3

This snippet demonstrates how to integrate the web3.php library into a Laravel project to interact with Ethereum smart contracts. It covers the installation process via Composer and the necessary class imports for calling contract functions.

```bash
composer require web3p/web3.php
```

```php
use web3\web3;
use web3\contract;
use web3\utils;
```

--------------------------------

### Color and Style Utilities

Source: https://web3.career/web3-salaries

Helper functions for color manipulation, including getting hover colors and checking if a color is a pattern or gradient.

```javascript
function isPatternOrGradient(value) {
  // Check if a value is a CanvasPattern or CanvasGradient object
  return value instanceof CanvasPattern || value instanceof CanvasGradient;
}

function getHoverColor(color) {
  // Get a darker shade of a color for hover effects
  let r = color.r;
  let g = color.g;
  let b = color.b;
  let a = color.a;
  // Darken the color by reducing RGB components
  return `rgba(${Math.max(r * 0.8, 0)}, ${Math.max(g * 0.8, 0)}, ${Math.max(b * 0.8, 0)}, ${a})`;
}

```

--------------------------------

### Connect to Ethereum and Instantiate Contract (PHP)

Source: https://web3.career/learn-web3

Demonstrates how to connect to an Ethereum network using web3.php and instantiate a smart contract object. Requires the Ethereum node URL, contract ABI, and contract address.

```php
$web3 = new web3('http://localhost:8545'); // replace with your ethereum node url
$contract = new contract($web3->provider, $abi);
$contract->at($contractaddress);
// note: replace $abi with the abi (application binary interface) of your contract and $contractaddress with the address of your contract on the ethereum network.
```

--------------------------------

### Animation/Tweening Logic

Source: https://web3.career/web3-salaries

Implements animation logic, likely for smooth transitions of properties. It handles animation start, duration, easing functions, and property updates based on progress.

```APIDOC
class Ss {
  constructor(t, e, i, s) {
    const n = e[i];
    s = ki([t.to, s, n, t.from]),
      o = ki([t.from, n, s]);
    this._active = !0,
      this._fn = t.fn || ks[t.type || typeof o],
      this._easing = ui[t.easing] || ui.linear,
      this._start = Math.floor(Date.now() + (t.delay || 0)),
      this._duration = this._total = Math.floor(t.duration),
      this._loop = !!t.loop,
      this._target = e,
      this._prop = i,
      this._from = o,
      this._to = s,
      this._promises = void 0
  }
  active() { return this._active }
  update(t, e, i) {
    if (this._active) {
      this._notify(!1);
      const s = this._target[this._prop],
        n = i - this._start,
        o = this._duration - n;
      this._start = i,
        this._duration = Math.floor(Math.max(o, t.duration)),
        this._total += n,
        this._loop = !!t.loop,
        this._to = ki([t.to, e, s, t.f
```

--------------------------------

### Learning DEFI Resources

Source: https://web3.career/learn-web3

Provides a comprehensive list of resources for individuals looking to learn about Decentralized Finance (DEFI). It covers various learning methods from consuming content to practical application and community engagement.

```APIDOC
LearnDEFI:
  Methods:
    - Content Consumption: Read articles, watch videos from DEFI blogs and YouTube channels.
    - Community Engagement: Join DEFI communities on platforms like Twitter and Reddit.
    - Practical Application: Use DEFI platforms such as Uniswap, Compound, and Aave.
    - Event Participation: Attend DEFI conferences and events for networking and insights.
    - Formal Education: Enroll in online DEFI courses from platforms like Coursera and Udemy.
```

--------------------------------

### Chart Constructor and Initialization

Source: https://web3.career/web3-salaries

Defines the chart constructor, setting up initial properties, plugins, and event listeners. It handles context acquisition and basic initialization logic, including responsive updates.

```javascript
tasets=[],this.scales={},this._plugins=new Js,this.$proxies={},this._hiddenIndices={},this.attached=!1,this._animationsDisabled=void 0,this.$context=void 0,this._doResize=dt((t=>this.update(t)),a.resizeDelay||0),this._dataChanges=[],_n[this.id]=this,r&&l?(xt.listen(this,"complete",mn),xt.listen(this,"progress",bn),this._initialize(),this.attached&&this.update()):console.error("Failed to create chart: can't acquire context from the given item")}
```

--------------------------------

### Tooltip Context and Callback Resolution

Source: https://web3.career/web3-salaries

Provides methods to resolve animations, get the tooltip context, and retrieve content using callback functions defined in the chart options. This includes handling titles, body content, and footers.

```javascript
getContext() {
  return (
    this.$context ||
    (this.$context = (
      (t = this.chart.getContext()),
      (e = this),
      (i = this._tooltipItems),
      Pi(t, { tooltip: e, tooltipItems: i, type: 'tooltip' }) 
    ))
  );
  var t, e, i;
}
getTitle(t, e) {
  const { callbacks: i } = e;
  const s = Oa(i, 'beforeTitle', this, t),
    n = Oa(i, 'title', this, t),
    o = Oa(i, 'afterTitle', this, t);
  let a = [];
  return (
    (a = xa(a, _a(s))),
    (a = xa(a, _a(n))),
    (a = xa(a, _a(o))),
    a
  );
}
getBeforeBody(t, e) {
  return Pa(Oa(e.callbacks, 'beforeBody', this, t));
}
getBody(t, e) {
  const { callbacks: i } = e;
  const s = [];
  return (
    u(t, (t => {
      const e = { before: [], lines: [], after: [] };
      const n = Da(i, t);
      xa(e.before, _a(Oa(n, 'beforeLabel', this, t))),
        xa(e.lines, Oa(n, 'label', this, t)),
        xa(e.after, _a(Oa(n, 'afterLabel', this, t))),
        s.push(e);
    })),
    s
  );
}
getAfterBody(t, e) {
  return Pa(Oa(e.callbacks, 'afterBody', this, t));
}
getFooter(t, e) {
  const { callbacks: i } = e;
  const s = Oa(i, 'beforeFooter', this, t),
    n = Oa(i, 'footer', this, t),
    o = Oa(i, 'afterFooter', this, t);
  let a = [];
  return (
    (a = xa(a, _a(s))),
    (a = xa(a, _a(n))),
    (a = xa(a, _a(o))),
    a
  );
}
```

--------------------------------

### Platform Abstraction Interface and Implementations

Source: https://web3.career/web3-salaries

Defines the base platform interface and concrete implementations for basic and DOM environments. Includes methods for acquiring and releasing rendering contexts, managing event listeners, and determining maximum canvas sizes.

```APIDOC
class os {
  acquireContext(t, e) {}
  releaseContext(t) { return !1 }
  addEventListener(t, e, i) {}
  removeEventListener(t, e, i) {}
  getDevicePixelRatio() { return 1 }
  getMaximumSize(t, e, i, s) { return e = Math.max(0, e || t.width), i = i || t.height, { width: e, height: Math.max(0, s ? Math.floor(e / s) : i) } }
  isAttached(t) { return !0 }
  updateConfig(t) {}
}

class as extends os {
  acquireContext(t) { return t && t.getContext && t.getContext("2d") || null }
  updateConfig(t) { t.options.animation = !1 }
}

class ys extends os {
  acquireContext(t, e) {
    const i = t && t.getContext && t.getContext("2d");
    return i && i.canvas === t ? (function(t, e) {
      const i = t.style,
        s = t.getAttribute("height"),
        n = t.getAttribute("width");
      if (t.$chartjs = { initial: { height: s, width: n, style: { display: i.display, height: i.height, width: i.width } } }, i.display = i.display || "block", i.boxSizing = i.boxSizing || "border-box", ls(n)) {
        const e = Se(t, "width");
        void 0 !== e && (t.width = e)
      }
      if (ls(s))
        if ("" === t.style.height)
          t.height = t.width / (e || 2);
        else {
          const e = Se(t, "height");
          void 0 !== e && (t.height = e)
        }
    }(t, e), i) : null
  }
  releaseContext(t) {
    const e = t.canvas;
    if (!e.$chartjs) return !1;
    const i = e.$chartjs.initial;
    ["height", "width"].forEach((t => {
      const n = i[t];
      s(n) ? e.removeAttribute(t) : e.setAttribute(t, n)
    }));
    const n = i.style || {};
    return Object.keys(n).forEach((t => {
      e.style[t] = n[t]
    })), e.width = e.width, delete e.$chartjs, !0
  }
  addEventListener(t, e, i) {
    this.removeEventListener(t, e);
    const s = t.$proxies || (t.$proxies = {}),
      n = { attach: us, detach: fs, resize: bs }[e] || _s;
    s[e] = n(t, e, i)
  }
  removeEventListener(t, e) {
    const i = t.$proxies || (t.$proxies = {}),
      s = i[e];
    if (!s) return;
    ({ attach: xs, detach: xs, resize: xs }[e] || cs)(t, e, s), i[e] = void 0
  }
  getDevicePixelRatio() { return window.devicePixelRatio }
  getMaximumSize(t, e, i, s) { return Me(t, e, i, s) }
  isAttached(t) {
    const e = ge(t);
    return !(!e || !e.isConnected)
  }
}

function vs(t) { return !fe() || "undefined" != typeof OffscreenCanvas && t instanceof OffscreenCanvas ? as : ys }

var Ms = Object.freeze({
  __proto__: null,
  _detectPlatform: vs,
  BasePlatform: os,
  BasicPlatform: as,
  DomPlatform: ys
});
```

--------------------------------

### Animation Class (Ss)

Source: https://web3.career/web3-salaries

Manages the lifecycle of a single animation property. It handles starting, updating, and completing animations based on duration, easing functions, and loop settings. It also manages promises for waiting on animation completion.

```javascript
class Ss {
    constructor(t, e, i, s) {
        this._duration = t.duration || 1000;
        this._easing = t.easing || ((t) => t);
        this._from = t.from;
        this._to = t.to;
        this._loop = !!t.loop;
        this._delay = t.delay || 0;
        this._start = Date.now() + this._delay;
        this._target = e;
        this._prop = i;
        this._fn = t.fn;
        this._active = !1;
        this._promises = void 0;
        this._target[i] = this._from;
        this._active = !0;
        this._notify(!1);
    }

    cancel() {
        this._active && (this.tick(Date.now()), this._active = !1, this._notify(!1));
    }

    tick(t) {
        const e = t - this._start,
            i = this._duration,
            s = this._prop,
            n = this._from,
            o = this._loop,
            a = this._to;
        let r;
        if (this._active = n !== a && (o || e < i), !this._active) return this._target[s] = a, void this._notify(!0);
        e < 0 ? this._target[s] = n : (r = e / i % 2, r = o && r > 1 ? 2 - r : r, r = this._easing(Math.min(1, Math.max(0, r))), this._target[s] = this._fn(n, a, r));
    }

    wait() {
        const t = this._promises || (this._promises = []);
        return new Promise(((e, i) => {
            t.push({ res: e, rej: i });
        }));
    }

    _notify(t) {
        const e = t ? "res" : "rej",
            i = this._promises || [];
        for (let t = 0; t < i.length; t++)
            i[t][e]();
    }
}
```

--------------------------------

### Web3 Solidity Bootcamp - Metana

Source: https://web3.career/intern-jobs

Metana offers a Web3 Solidity Bootcamp with a job guarantee. This program provides job-ready web3 skills with 1-on-1 support, and guarantees a job or a refund. It's an opportunity to learn essential web3 technologies.

```APIDOC
Program:
  Title: Web3 Solidity Bootcamp - Job Guaranteed 💯
  Provider: Metana
  Description: Learn job-ready web3 skills on your schedule with 1-on-1 support & get a job, or your money back.
  Link: /metana
```

--------------------------------

### Calculate Segment Range and Loop Properties

Source: https://web3.career/web3-salaries

Calculates properties for iterating over a data segment, including the count of points, the effective start and end indices, and whether the segment forms a loop. It handles wrapping around the data array.

```javascript
$n(t,e,i={}){
const s=t.length,{start:n=0,end:o=s-1}=i,{start:a,end:r}=e,
l=Math.max(n,a),
h=Math.min(o,r),
c=n<a&&o<a||n>r&&o>r;
return{count:s,start:l,loop:e.loop,ilen:h<l&&!c?s+h-l:h-l}
}
```

--------------------------------

### Tooltip Class and Initialization

Source: https://web3.career/web3-salaries

Defines the `Aa` class, which extends `Bs`, for managing tooltip behavior. It initializes properties like opacity, active elements, event position, and size. The `initialize` method sets up options and context.

```javascript
class Aa extends Bs {
  static positioners = ba;
  constructor(t) {
    super(),
      (this.opacity = 0),
      (this._active = []),
      (this._eventPosition = void 0),
      (this._size = void 0),
      (this._cachedAnimations = void 0),
      (this._tooltipItems = []),
      (this.$animations = void 0),
      (this.$context = void 0),
      (this.chart = t.chart),
      (this.options = t.options),
      (this.dataPoints = void 0),
      (this.title = void 0),
      (this.beforeBody = void 0),
      (this.body = void 0),
      (this.afterBody = void 0),
      (this.footer = void 0),
      (this.xAlign = void 0),
      (this.yAlign = void 0),
      (this.x = void 0),
      (this.y = void 0),
      (this.height = void 0),
      (this.width = void 0),
      (this.caretX = void 0),
      (this.caretY = void 0),
      (this.labelColors = void 0),
      (this.labelPointStyles = void 0),
      (this.labelTextColors = void 0);
  }
  initialize(t) {
    (this.options = t),
      (this._cachedAnimations = void 0),
      (this.$context = void 0);
  }
```

--------------------------------

### Chart.js Plugin Management (Js)

Source: https://web3.career/web3-salaries

The Js class manages Chart.js plugins, handling their initialization, notification, and lifecycle events. It determines which plugins are active, processes their options, and triggers lifecycle hooks like 'beforeInit', 'afterDestroy', 'start', and 'stop'.

```javascript
class Js {
    constructor() {
        this._init = []
    }

    notify(t, e, i, s) {
        "beforeInit" === e && (this._init = this._createDescriptors(t, !0), this._notify(this._init, t, "install")),
            (n = s ? this._descriptors(t).filter(s) : this._descriptors(t)),
            (o = this._notify(n, t, e, i));
        return "afterDestroy" === e && (this._notify(n, t, "stop"), this._notify(this._init, t, "uninstall")),
            o
    }

    _notify(t, e, i, s) {
        s = s || {};
        for (const n of t) {
            const t = n.plugin;
            if (!1 === d(t[i], [e, s, n.options], t) && s.cancelable) return !1
        }
        return !0
    }

    invalidate() {
        s(this._cache) || (this._oldCache = this._cache, this._cache = void 0)
    }

    _descriptors(t) {
        if (this._cache) return this._cache;
        const e = this._cache = this._createDescriptors(t);
        return this._notifyStateChanges(t),
            e
    }

    _createDescriptors(t, e) {
        const i = t && t.config,
            s = l(i.options && i.options.plugins, {}),
            n = function(t) {
                const e = {}, i = [], s = Object.keys(Zs.plugins.items);
                for (let t = 0; t < s.length; t++) i.push(Zs.getPlugin(s[t]));
                const n = t.plugins || [];
                for (let t = 0; t < n.length; t++) {
                    const s = n[t];
                    -1 === i.indexOf(s) && (i.push(s), e[s.id] = !0)
                }
                return { plugins: i, localIds: e }
            }(i);
        return !1 !== s || e ? function(t, { plugins: e, localIds: i }, s, n) {
            const o = [];
            const a = t.getContext();
            for (const r of e) {
                const e = r.id,
                    l = Qs(s[e], n);
                null !== l && o.push({
                    plugin: r,
                    options: tn(t.config, { plugin: r, local: i[e] }, l, a)
                })
            }
            return o
        }(t, n, s, e) : []
    }

    _notifyStateChanges(t) {
        const e = this._oldCache || [],
            i = this._cache,
            s = (t, e) => t.filter((t => !e.some((e => t.plugin.id === e.plugin.id))));
        this._notify(s(e, i), t, "stop"), this._notify(s(i, e), t, "start")
    }
}

function Qs(t, e) {
    return e || !1 !== t ? !0 === t ? {} : t : null
}

function tn(t, { plugin: e, local: i }, s, n) {
    const o = t.pluginScopeKeys(e),
        a = t.getOptionScopes(s, o);
    return i && e.defaults && a.push(e.defaults),
        t.createResolver(a, n, [""], {
            scriptable: !1,
            indexable: !1,
            allKeys: !0
        })
}
```

--------------------------------

### Animation Manager Class

Source: https://web3.career/web3-salaries

Manages animations across multiple charts using requestAnimationFrame. It handles starting, stopping, updating, and notifying listeners for animation progress and completion. The class ensures efficient animation loops and manages chart-specific animation states.

```javascript
class bt {
    constructor() {
        this._request = null;
        this._charts = new Map;
        this._running = false;
        this._lastDate = void 0;
    }
    _notify(t, e, i, s) {
        const n = e.listeners[s];
        const o = e.duration;
        n.forEach(s => s({ chart: t, initial: e.initial, numSteps: o, currentStep: Math.min(i - e.start, o) }));
    }
    _refresh() {
        this._request || (this._running = true, this._request = ht.call(window, (() => {
            this._update();
            this._request = null;
            this._running && this._refresh();
        })));
    }
    _update(t = Date.now()) {
        let e = 0;
        this._charts.forEach(((i, s) => {
            if (!i.running || !i.items.length) return;
            const n = i.items;
            let o, a = n.length - 1, r = false;
            for (; a >= 0; --a) o = n[a], o._active ? (o._total > i.duration && (i.duration = o._total), o.tick(t), r = true) : (n[a] = n[n.length - 1], n.pop());
            r && (s.draw(), this._notify(s, i, t, "progress")),
            n.length || (i.running = false, this._notify(s, i, t, "complete"), i.initial = false),
            e += n.length;
        }));
        this._lastDate = t;
        0 === e && (this._running = false, this._refresh());
    }
    _getAnims(t) {
        const e = this._charts;
        let i = e.get(t);
        return i || (i = { running: false, initial: true, items: [], listeners: { complete: [], progress: [] } }, e.set(t, i)), i;
    }
    listen(t, e, i) {
        this._getAnims(t).listeners[e].push(i);
    }
    add(t, e) {
        e && e.length && this._getAnims(t).items.push(...e);
    }
    has(t) {
        return this._getAnims(t).items.length > 0;
    }
    start(t) {
        const e = this._charts.get(t);
        e && (e.running = true, e.start = Date.now(), e.duration = e.items.reduce(((t, e) => Math.max(t, e._duration)), 0), this._refresh());
    }
    running(t) {
        if (!this._running) return false;
        const e = this._charts.get(t);
        return !!(e && e.running && e.items.length);
    }
    stop(t) {
        const e = this._charts.get(t);
        if (!e || !e.items.length) return;
        const i = e.items;
        let s = i.length - 1;
        for (; s >= 0; --s) i[s].cancel();
        e.items = [];
        this._notify(t, e, Date.now(), "complete");
    }
    remove(t) {
        return this._charts.delete(t);
    }
}

var xt = new bt;

```

--------------------------------

### Call a Smart Contract Function (PHP)

Source: https://web3.career/learn-web3

Shows how to call a function on an instantiated Ethereum smart contract using web3.php. This includes specifying the function name and its arguments.

```php
$result = $contract->call(functionname, [$arg1, $arg2]);
// note: replace functionname with the name of your function and $arg1, $arg2 with the function arguments.
// You can then use the $result variable to get the return value of the function.
```

--------------------------------

### Chart.js Registry Class (Ks)

Source: https://web3.career/web3-salaries

Details the functionality of the Ks class, responsible for managing registrations of specific Chart.js component types (controllers, scales, elements, plugins). It handles adding, getting, and unregistering items, along with internal execution and type checking.

```javascript
class Ks {
    constructor(registry, scope, override) {
        this.registry = registry;
        this.scope = scope;
        this.override = override;
        this.items = Object.create(null);
    }

    register(t) {
        const e = this.registry;
        const i = t.id;
        const s = this.scope + "." + i;
        if (!i) throw new Error("class does not have id: " + t);
        return i in this.items || (this.items[i] = t, function(t, e, i) {
            const s = b(Object.create(null), [i ? ue.get(i) : {}, ue.get(e), t.defaults]);
            ue.set(e, s);
            t.defaultRoutes && function(t, e) {
                Object.keys(e).forEach((i => {
                    const s = i.split("."),
                        n = s.pop(),
                        o = [t].concat(s).join("."),
                        a = e[i].split("."),
                        r = a.pop(),
                        l = a.join(".");
                    ue.route(o, n, l, r)
                }))
            }(e, t.defaultRoutes);
            t.descriptors && ue.describe(e, t.descriptors)
        }(t, s, i)), this.override && ue.override(t.id, t.overrides)), s
    }

    get(t) {
        return this.items[t]
    }

    unregister(t) {
        const e = this.items,
            i = t.id,
            s = this.scope;
        i in e && delete e[i],
            s && i in ue[s] && (delete ue[s][i], this.override && delete re[i])
    }
}
```

--------------------------------

### Draw Chart Segment Path

Source: https://web3.career/web3-salaries

Draws the path for a chart segment, handling complex shapes involving arcs and lines. It calculates start and end angles, radii, and uses helper functions like `Vn` and `Bn` to define the segment's geometry.

```javascript
Nn(t,e,i,s,n,o){
const{x:a,y:r,startAngle:l,pixelMargin:h,innerRadius:c}=e,
d=Math.max(e.outerRadius+s+i-h,0),
u=c>0?c+s+i+h:0;
let f=0;
const g=n-l;
if(s){
const t=((c>0?c-s:0)+(d>0?d-s:0))/2;
f=(g-(0!==t?g*t/(t+s):g))/2
}
const p=(g-Math.max(.001,g*d-i/C)/d)/2,
m=l+p+f,
b=n-p-f,
{outerStart:x,outerEnd:_,innerStart:y,innerEnd:v}=Vn(e,u,d,b-m),
M=d-x,
w=d-_,
k=m+x/M,
S=b-_/w,
P=u+y,
D=u+v,
O=m+y/P,
A=b-v/D;
if(t.beginPath(),o){
const e=(k+S)/2;
if(t.arc(a,r,d,k,e),t.arc(a,r,d,e,S),_>0){
const e=Bn(w,S,a,r);
t.arc(e.x,e.y,_,S,b+E)
}
const i=Bn(D,b,a,r);
if(t.lineTo(i.x,i.y),v>0){
const e=Bn(D,A,a,r);
t.arc(e.x,e.y,v,b+E,A+Math.PI)
}
const s=(b-v/u+(m+y/u))/2;
if(t.arc(a,r,u,b-v/u,s,!0),t.arc(a,r,u,s,m+y/u,!0),y>0){
const e=Bn(P,O,a,r);
t.arc(e.x,e.y,y,O+Math.PI,m-E)
}
const n=Bn(M,m,a,r);
if(t.lineTo(n.x,n.y),x>0){
const e=Bn(M,k,a,r);
t.arc(e.x,e.y,x,m-E,k)
}
}
else{
t.moveTo(a,r);
const e=Math.cos(k)*d+a,
i=Math.sin(k)*d+r;
t.lineTo(e,i);
const s=Math.cos(S)*d+a,
n=Math.sin(S)*d+r;
t.lineTo(s,n)
}
t.closePath()
}
```

--------------------------------

### Chart.js Core API (Chart Class)

Source: https://web3.career/web3-salaries

Documentation for the main Chart.js Chart class, covering initialization, updates, and core functionalities. This includes methods for managing chart instances, configuration, and platform integration.

```APIDOC
class Mn
  static defaults: ue
  static instances: _n
  static overrides: re
  static registry: Zs
  static version: "4.1.1"
  static getChart(t): ChartInstance | undefined
    - Retrieves a Chart.js instance associated with a given canvas element.
    - Parameters:
      - t: The canvas element or its ID.
    - Returns: The Chart.js instance or undefined if not found.

  static register(...t): void
    - Registers new chart types, elements, controllers, scales, or plugins with Chart.js.
    - Parameters:
      - t: One or more objects to register.

  static unregister(...t): void
    - Unregisters previously registered components.
    - Parameters:
      - t: One or more objects to unregister.

  constructor(t, e): void
    - Initializes a new Chart.js instance.
    - Parameters:
      - t: The canvas element or its ID where the chart will be rendered.
      - e: The configuration object for the chart, including data, options, and plugins.
    - Throws: Error if the canvas is already in use by another chart instance.

  get platform(): Platform
    - Returns the platform adapter used by the chart (e.g., for canvas interaction).

  get type(): string
    - Gets the chart type (e.g., 'bar', 'line').

  set type(t): void
    - Sets the chart type.

  get data(): ChartData
    - Gets the chart's data object.

  set data(t): void
    - Sets the chart's data object and triggers an update.

  get options(): ChartOptions
    - Gets the chart's options object.

  set options(t): void
    - Sets the chart's options object and triggers an update.

  get plugins(): Plugin[]
    - Gets the array of registered plugins for the chart.

  update(): void
    - Updates the chart configuration and redraws the chart.

  clearCache(): void
    - Clears internal caches for scopes and resolvers.

  datasetScopeKeys(t): string[][]
    - Generates scope keys for dataset options.

  datasetAnimationScopeKeys(t, e): string[][]
    - Generates scope keys for dataset animation options.

  datasetElementScopeKeys(t, e): string[][]
    - Generates scope keys for dataset element options.

  pluginScopeKeys(t): string[][]
    - Generates scope keys for plugin options.

  getOptionScopes(t, e, i): Scope[]
    - Retrieves the option scopes for a given element or context.

  chartOptionScopes(): Scope[]
    - Returns the default option scopes for the chart.

  resolveNamedOptions(t, e, i, s): object
    - Resolves named options from various scopes.

  createResolver(t, e, i): ResolverFunction
    - Creates a resolver function for options based on scopes and prefixes.
```

--------------------------------

### Chart.js Legend Plugin Configuration and Lifecycle

Source: https://web3.career/web3-salaries

Defines the Chart.js legend plugin's ID, associated element, lifecycle hooks (start, stop, beforeUpdate, afterUpdate, afterEvent), and default configuration options. This includes settings for display, position, alignment, and interaction callbacks.

```javascript
var ua = {
  id: "legend",
  _element: ca,
  start(t, e, i) {
    const s = t.legend = new ca({
      ctx: t.ctx,
      options: i,
      chart: t
    });
    ns.configure(t, s, i),
    ns.addBox(t, s)
  },
  stop(t) {
    ns.removeBox(t, t.legend),
    delete t.legend
  },
  beforeUpdate(t, e, i) {
    const s = t.legend;
    ns.configure(t, s, i),
    s.options = i
  },
  afterUpdate(t) {
    const e = t.legend;
    e.buildLabels(),
    e.adjustHitBoxes()
  },
  afterEvent(t, e) {
    e.replay || t.legend.handleEvent(e.event)
  },
  defaults: {
    display: !0,
    position: "top",
    align: "center",
    fullSize: !0,
    reverse: !1,
    weight: 1e3,
    onClick(t, e, i) {
      const s = e.datasetIndex;
      const n = i.chart;
      n.isDatasetVisible(s) ? (n.hide(s), e.hidden = !0) : (n.show(s), e.hidden = !1)
    },
    onHover: null,
    onLeave: null,
    labels: {
      color: t => t.chart.options.color,
      boxWidth: 40,
      padding: 10,
      generateLabels(t) {
        const e = t.data.datasets;
        const { labels: { usePointStyle: i, pointStyle: s, textAlign: n, color: o, useBorderRadius: a, borderRadius: r } } = t.legend.options;
        return t._getSortedDatasetMetas().map((t => {
          const l = t.controller.getStyle(i ? 0 : void 0);
          const h = Mi(l.borderWidth);
          return {
            text: e[t.index].label,
            fillStyle: l.backgroundColor,
            fontColor: o,
            hidden: !t.visible,
            lineCap: l.borderCapStyle,
            lineDash: l.borderDash,
            lineDashOffset: l.borderDashOffset,
            lineJoin: l.borderJoinStyle,
            lineWidth: (h.width + h.height) / 4,
            strokeStyle: l.borderColor,
            pointStyle: s || l.pointStyle,
            rotation: l.rotation,
            textAlign: n || l.textAlign,
            borderRadius: a && (r || l.borderRadius),
            datasetIndex: t.index
          }
        }), this)
      }
    },
    title: {
      color: t => t.chart.options.color,
      display: !1,
      position: "center",
      text: ""
    }
  },
  descriptors: {
    _scriptable: t => !t.startsWith("on"),
    labels: {
      _scriptable: t => !["generateLabels", "filter", "sort"].includes(t)
    }
  }
};
```