CINXE.COM
<!doctype html><html lang="en"><head><title data-rh="true">#100DaysOfSolidity #057 🔥 Supercharge Your Smart Contract Deployments with Proxy Pattern! 🔥 | by Solidity Academy | Medium</title><meta data-rh="true" charset="utf-8"/><meta data-rh="true" name="viewport" content="width=device-width,minimum-scale=1,initial-scale=1,maximum-scale=1"/><meta data-rh="true" name="theme-color" content="#000000"/><meta data-rh="true" name="twitter:app:name:iphone" content="Medium"/><meta data-rh="true" name="twitter:app:id:iphone" content="828256236"/><meta data-rh="true" property="al:ios:app_name" content="Medium"/><meta data-rh="true" property="al:ios:app_store_id" content="828256236"/><meta data-rh="true" property="al:android:package" content="com.medium.reader"/><meta data-rh="true" property="fb:app_id" content="542599432471018"/><meta data-rh="true" property="og:site_name" content="Medium"/><meta data-rh="true" property="og:type" content="article"/><meta data-rh="true" property="article:published_time" content="2023-08-02T08:12:33.894Z"/><meta data-rh="true" name="title" content="#100DaysOfSolidity #057 🔥 Supercharge Your Smart Contract Deployments with Proxy Pattern! 🔥 | by Solidity Academy | Medium"/><meta data-rh="true" property="og:title" content="#100DaysOfSolidity #057 🔥 Supercharge Your Smart Contract Deployments with Proxy Pattern! 🔥"/><meta data-rh="true" property="al:android:url" content="medium://p/604659d2117d"/><meta data-rh="true" property="al:ios:url" content="medium://p/604659d2117d"/><meta data-rh="true" property="al:android:app_name" content="Medium"/><meta data-rh="true" name="description" content="Are you tired of manually deploying your Solidity contracts every time you make updates or want to try out different implementations? 😫 Do you wish there was a way to deploy any contract…"/><meta data-rh="true" property="og:description" content="#100DaysOfSolidity 057 : “Deploy Any Contract”"/><meta data-rh="true" property="og:url" content="https://medium.com/@solidity101/100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d"/><meta data-rh="true" property="al:web:url" content="https://medium.com/@solidity101/100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d"/><meta data-rh="true" property="og:image" content="https://miro.medium.com/v2/resize:fit:1200/1*v0G9bSzt9p5ovOkXkJsnPw.png"/><meta data-rh="true" property="article:author" content="https://medium.com/@solidity101"/><meta data-rh="true" name="author" content="Solidity Academy"/><meta data-rh="true" name="robots" content="index,noarchive,follow,max-image-preview:large"/><meta data-rh="true" name="referrer" content="unsafe-url"/><meta data-rh="true" property="twitter:title" content="#100DaysOfSolidity #057 🔥 Supercharge Your Smart Contract Deployments with Proxy Pattern! 🔥"/><meta data-rh="true" name="twitter:site" content="@Medium"/><meta data-rh="true" name="twitter:app:url:iphone" content="medium://p/604659d2117d"/><meta data-rh="true" property="twitter:description" content="#100DaysOfSolidity 057 : “Deploy Any Contract”"/><meta data-rh="true" name="twitter:image:src" content="https://miro.medium.com/v2/resize:fit:1200/1*v0G9bSzt9p5ovOkXkJsnPw.png"/><meta data-rh="true" name="twitter:card" content="summary_large_image"/><meta data-rh="true" name="twitter:creator" content="@solidity101"/><meta data-rh="true" name="twitter:label1" content="Reading time"/><meta data-rh="true" name="twitter:data1" content="7 min read"/><link data-rh="true" rel="icon" href="https://miro.medium.com/v2/5d8de952517e8160e40ef9841c781cdc14a5db313057fa3c3de41c6f5b494b19"/><link data-rh="true" rel="search" type="application/opensearchdescription+xml" title="Medium" href="/osd.xml"/><link data-rh="true" rel="apple-touch-icon" sizes="152x152" href="https://miro.medium.com/v2/resize:fill:304:304/10fd5c419ac61637245384e7099e131627900034828f4f386bdaa47a74eae156"/><link data-rh="true" rel="apple-touch-icon" sizes="120x120" href="https://miro.medium.com/v2/resize:fill:240:240/10fd5c419ac61637245384e7099e131627900034828f4f386bdaa47a74eae156"/><link data-rh="true" rel="apple-touch-icon" sizes="76x76" href="https://miro.medium.com/v2/resize:fill:152:152/10fd5c419ac61637245384e7099e131627900034828f4f386bdaa47a74eae156"/><link data-rh="true" rel="apple-touch-icon" sizes="60x60" href="https://miro.medium.com/v2/resize:fill:120:120/10fd5c419ac61637245384e7099e131627900034828f4f386bdaa47a74eae156"/><link data-rh="true" rel="mask-icon" href="https://miro.medium.com/v2/resize:fill:1000:1000/7*GAOKVe--MXbEJmV9230oOQ.png" color="#171717"/><link data-rh="true" rel="preconnect" href="https://glyph.medium.com" crossOrigin=""/><link data-rh="true" id="glyph_preload_link" rel="preload" as="style" type="text/css" href="https://glyph.medium.com/css/unbound.css"/><link data-rh="true" id="glyph_link" rel="stylesheet" type="text/css" href="https://glyph.medium.com/css/unbound.css"/><link data-rh="true" rel="author" href="https://medium.com/@solidity101"/><link data-rh="true" rel="canonical" href="https://medium.com/@solidity101/100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d"/><link data-rh="true" rel="alternate" href="android-app://com.medium.reader/https/medium.com/p/604659d2117d"/><script data-rh="true" type="application/ld+json">{"@context":"http:\u002F\u002Fschema.org","@type":"NewsArticle","image":["https:\u002F\u002Fmiro.medium.com\u002Fv2\u002Fresize:fit:1200\u002F1*v0G9bSzt9p5ovOkXkJsnPw.png"],"url":"https:\u002F\u002Fmedium.com\u002F@solidity101\u002F100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d","dateCreated":"2023-08-02T08:12:33.894Z","datePublished":"2023-08-02T08:12:33.894Z","dateModified":"2023-08-03T04:16:43.451Z","headline":"#100DaysOfSolidity #057 🔥 Supercharge Your Smart Contract Deployments with Proxy Pattern! 🔥","name":"#100DaysOfSolidity #057 🔥 Supercharge Your Smart Contract Deployments with Proxy Pattern! 🔥","description":"Are you tired of manually deploying your Solidity contracts every time you make updates or want to try out different implementations? 😫 Do you wish there was a way to deploy any contract…","identifier":"604659d2117d","author":{"@type":"Person","name":"Solidity Academy","url":"https:\u002F\u002Fmedium.com\u002F@solidity101"},"creator":["Solidity Academy"],"publisher":{"@type":"Organization","name":"Medium","url":"https:\u002F\u002Fmedium.com\u002F","logo":{"@type":"ImageObject","width":272,"height":60,"url":"https:\u002F\u002Fmiro.medium.com\u002Fv2\u002Fresize:fit:544\u002F7*V1_7XP4snlmqrc_0Njontw.png"}},"mainEntityOfPage":"https:\u002F\u002Fmedium.com\u002F@solidity101\u002F100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d"}</script><style type="text/css" data-fela-rehydration="572" data-fela-type="STATIC">html{box-sizing:border-box;-webkit-text-size-adjust:100%}*, *:before, *:after{box-sizing:inherit}body{margin:0;padding:0;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;color:rgba(0,0,0,0.8);position:relative;min-height:100vh}h1, h2, h3, h4, h5, h6, dl, dd, ol, ul, menu, figure, blockquote, p, pre, form{margin:0}menu, ol, ul{padding:0;list-style:none;list-style-image:none}main{display:block}a{color:inherit;text-decoration:none}a, button, input{-webkit-tap-highlight-color:transparent}img, svg{vertical-align:middle}button{background:transparent;overflow:visible}button, input, optgroup, select, textarea{margin:0}:root{--reach-tabs:1;--reach-menu-button:1}#speechify-root{font-family:Sohne, sans-serif}div[data-popper-reference-hidden="true"]{visibility:hidden;pointer-events:none}.grecaptcha-badge{visibility:hidden} /*XCode style (c) Angel Garcia <angelgarcia.mail@gmail.com>*/.hljs {background: #fff;color: black; }/* Gray DOCTYPE selectors like WebKit */ .xml .hljs-meta {color: #c0c0c0; }.hljs-comment, .hljs-quote {color: #007400; }.hljs-tag, .hljs-attribute, .hljs-keyword, .hljs-selector-tag, .hljs-literal, .hljs-name {color: #aa0d91; }.hljs-variable, .hljs-template-variable {color: #3F6E74; }.hljs-code, .hljs-string, .hljs-meta .hljs-string {color: #c41a16; }.hljs-regexp, .hljs-link {color: #0E0EFF; }.hljs-title, .hljs-symbol, .hljs-bullet, .hljs-number {color: #1c00cf; }.hljs-section, .hljs-meta {color: #643820; }.hljs-title.class_, .hljs-class .hljs-title, .hljs-type, .hljs-built_in, .hljs-params {color: #5c2699; }.hljs-attr {color: #836C28; }.hljs-subst {color: #000; }.hljs-formula {background-color: #eee;font-style: italic; }.hljs-addition {background-color: #baeeba; }.hljs-deletion {background-color: #ffc8bd; }.hljs-selector-id, .hljs-selector-class {color: #9b703f; }.hljs-doctag, .hljs-strong {font-weight: bold; }.hljs-emphasis {font-style: italic; } </style><style type="text/css" data-fela-rehydration="572" data-fela-type="KEYFRAME">@-webkit-keyframes k1{0%{opacity:0.8}50%{opacity:0.5}100%{opacity:0.8}}@-moz-keyframes k1{0%{opacity:0.8}50%{opacity:0.5}100%{opacity:0.8}}@keyframes k1{0%{opacity:0.8}50%{opacity:0.5}100%{opacity:0.8}}</style><style type="text/css" data-fela-rehydration="572" data-fela-type="RULE">.a{font-family:medium-content-sans-serif-font, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif}.b{font-weight:400}.c{background-color:rgba(255, 255, 255, 1)}.l{display:block}.m{position:sticky}.n{top:0}.o{z-index:500}.p{padding:0 24px}.q{align-items:center}.r{border-bottom:solid 1px #F2F2F2}.y{height:41px}.z{line-height:20px}.ab{display:flex}.ac{height:57px}.ae{flex:1 0 auto}.af{color:inherit}.ag{fill:inherit}.ah{font-size:inherit}.ai{border:inherit}.aj{font-family:inherit}.ak{letter-spacing:inherit}.al{font-weight:inherit}.am{padding:0}.an{margin:0}.ao{cursor:pointer}.ap:disabled{cursor:not-allowed}.aq:disabled{color:#6B6B6B}.ar:disabled{fill:#6B6B6B}.au{width:auto}.av path{fill:#242424}.aw{height:25px}.ax{margin-left:16px}.ay{border:none}.az{border-radius:20px}.ba{width:240px}.bb{background:#F9F9F9}.bc path{fill:#6B6B6B}.be{outline:none}.bf{font-family:sohne, "Helvetica Neue", Helvetica, Arial, sans-serif}.bg{font-size:14px}.bh{width:100%}.bi{padding:10px 20px 10px 0}.bj{background-color:transparent}.bk{color:#242424}.bl::placeholder{color:#6B6B6B}.bm{display:inline-block}.bn{margin-left:12px}.bo{margin-right:12px}.bp{border-radius:4px}.bq{margin-left:24px}.br{height:24px}.bx{background-color:#F9F9F9}.by{border-radius:50%}.bz{height:32px}.ca{width:32px}.cb{justify-content:center}.ch{max-width:680px}.ci{min-width:0}.cj{animation:k1 1.2s ease-in-out infinite}.ck{height:100vh}.cl{margin-bottom:16px}.cm{margin-top:48px}.cn{align-items:flex-start}.co{flex-direction:column}.cp{justify-content:space-between}.cq{margin-bottom:24px}.cw{width:80%}.cx{background-color:#F2F2F2}.dd{height:44px}.de{width:44px}.df{margin:auto 0}.dg{margin-bottom:4px}.dh{height:16px}.di{width:120px}.dj{width:80px}.dp{margin-bottom:8px}.dq{width:96%}.dr{width:98%}.ds{width:81%}.dt{margin-left:8px}.du{color:#6B6B6B}.dv{font-size:13px}.dw{height:100%}.ep{color:#FFFFFF}.eq{fill:#FFFFFF}.er{background:#1A8917}.es{border-color:#1A8917}.ew:disabled{cursor:inherit !important}.ex:disabled{opacity:0.3}.ey:disabled:hover{background:#1A8917}.ez:disabled:hover{border-color:#1A8917}.fa{border-radius:99em}.fb{border-width:1px}.fc{border-style:solid}.fd{box-sizing:border-box}.fe{text-decoration:none}.ff{text-align:center}.fi{margin-right:32px}.fj{position:relative}.fk{fill:#6B6B6B}.fn{background:transparent}.fo svg{margin-left:4px}.fp svg{fill:#6B6B6B}.fr{box-shadow:inset 0 0 0 1px rgba(0, 0, 0, 0.05)}.fs{position:absolute}.fu{display:none}.ga{margin:0 24px}.ge{background:rgba(255, 255, 255, 1)}.gf{border:1px solid #F2F2F2}.gg{box-shadow:0 1px 4px #F2F2F2}.gh{max-height:100vh}.gi{overflow-y:auto}.gj{left:0}.gk{top:calc(100vh + 100px)}.gl{bottom:calc(100vh + 100px)}.gm{width:10px}.gn{pointer-events:none}.go{word-break:break-word}.gp{word-wrap:break-word}.gq:after{display:block}.gr:after{content:""}.gs:after{clear:both}.gt{line-height:1.23}.gu{letter-spacing:0}.gv{font-style:normal}.gw{font-weight:700}.hr{margin-bottom:-0.27em}.hs{line-height:1.394}.in{align-items:baseline}.io{width:48px}.ip{height:48px}.iq{border:2px solid rgba(255, 255, 255, 1)}.ir{z-index:0}.is{box-shadow:none}.it{border:1px solid rgba(0, 0, 0, 0.05)}.iu{margin-bottom:2px}.iv{flex-wrap:nowrap}.iw{font-size:16px}.ix{line-height:24px}.iz{margin-left:2px}.ja{margin-top:1px}.jb{cursor:initial}.jc{margin:0 8px}.jd{display:inline}.je{color:#1A8917}.jf{fill:#1A8917}.ji{flex:0 0 auto}.jl{flex-wrap:wrap}.jm{padding-left:8px}.jn{padding-right:8px}.ko> *{flex-shrink:0}.kp{overflow-x:scroll}.kq::-webkit-scrollbar{display:none}.kr{scrollbar-width:none}.ks{-ms-overflow-style:none}.kt{width:74px}.ku{flex-direction:row}.kv{z-index:2}.kw{margin-right:4px}.kz{-webkit-user-select:none}.la{border:0}.lb{fill:rgba(117, 117, 117, 1)}.le{outline:0}.lf{user-select:none}.lg> svg{pointer-events:none}.lp{cursor:progress}.lq{margin-left:4px}.lr{margin-top:0px}.ls{opacity:1}.lt{padding:4px 0}.lw{width:16px}.ly{display:inline-flex}.me{max-width:100%}.mf{padding:8px 2px}.mg svg{color:#6B6B6B}.mx{line-height:1.58}.my{letter-spacing:-0.004em}.mz{font-family:source-serif-pro, Georgia, Cambria, "Times New Roman", Times, serif}.ns{margin-bottom:-0.46em}.nt{margin-left:auto}.nu{margin-right:auto}.nv{max-width:1280px}.ob{clear:both}.od{cursor:zoom-in}.oe{z-index:auto}.og{height:auto}.oh{margin-top:10px}.oi{max-width:728px}.ol{line-height:1.12}.om{letter-spacing:-0.022em}.on{font-weight:600}.pg{margin-bottom:-0.28em}.pm{line-height:1.18}.qa{margin-bottom:-0.31em}.qb{overflow-x:auto}.qc{font-family:source-code-pro, Menlo, Monaco, "Courier New", Courier, monospace}.qd{padding:32px}.qe{border:1px solid #E5E5E5}.qf{line-height:1.4}.qg{margin-top:-0.2em}.qh{margin-bottom:-0.2em}.qi{white-space:pre}.qj{min-width:fit-content}.qk{max-width:1840px}.ql{font-style:italic}.qm{text-decoration:underline}.qn{box-shadow:inset 3px 0 0 0 #242424}.qo{padding-left:23px}.qp{margin-left:-20px}.qq{list-style-type:disc}.qr{margin-left:30px}.qs{padding-left:0px}.qy{margin-bottom:26px}.qz{margin-top:6px}.ra{margin-top:8px}.rb{margin-right:8px}.rc{padding:8px 16px}.rd{border-radius:100px}.re{transition:background 300ms ease}.rg{white-space:nowrap}.rh{border-top:none}.ri{margin-bottom:14px}.rj{height:52px}.rk{max-height:52px}.rl{box-sizing:content-box}.rm{position:static}.rn{z-index:1}.rp{max-width:155px}.rv{margin-right:20px}.sb{height:0px}.sc{margin-bottom:40px}.sr{height:64px}.ss{width:64px}.st{align-self:flex-end}.su{color:rgba(255, 255, 255, 1)}.sv{fill:rgba(255, 255, 255, 1)}.sw{background:rgba(25, 25, 25, 1)}.sx{border-color:rgba(25, 25, 25, 1)}.ta:disabled{opacity:0.1}.tb:disabled:hover{background:rgba(25, 25, 25, 1)}.tc:disabled:hover{border-color:rgba(25, 25, 25, 1)}.td{flex:1 1 auto}.tj{padding-right:4px}.tk{font-weight:500}.tr{margin-top:2px}.ts{white-space:pre-wrap}.tt{margin-top:16px}.uc{gap:18px}.ud{fill:rgba(61, 61, 61, 1)}.uf{margin-top:32px}.ug{fill:#242424}.uh{background:0}.ui{border-color:#242424}.uj:disabled:hover{color:#242424}.uk:disabled:hover{fill:#242424}.ul:disabled:hover{border-color:#242424}.uw{border-bottom:solid 1px #E5E5E5}.ux{margin-top:72px}.uy{padding:24px 0}.uz{margin-bottom:0px}.va{margin-right:16px}.as:hover:not(:disabled){color:rgba(25, 25, 25, 1)}.at:hover:not(:disabled){fill:rgba(25, 25, 25, 1)}.et:hover{background:#156D12}.eu:hover{border-color:#156D12}.ev:hover{cursor:pointer}.fl:hover{color:#242424}.fm:hover{fill:#242424}.fq:hover svg{fill:#242424}.ft:hover{background-color:rgba(0, 0, 0, 0.1)}.iy:hover{text-decoration:underline}.jg:hover:not(:disabled){color:#156D12}.jh:hover:not(:disabled){fill:#156D12}.ld:hover{fill:rgba(8, 8, 8, 1)}.lu:hover{fill:#000000}.lv:hover p{color:#000000}.lx:hover{color:#000000}.mh:hover svg{color:#000000}.rf:hover{background-color:#F2F2F2}.sq:hover{background-color:none}.sy:hover{background:#000000}.sz:hover{border-color:#242424}.ue:hover{fill:rgba(25, 25, 25, 1)}.bd:focus-within path{fill:#242424}.lc:focus{fill:rgba(8, 8, 8, 1)}.mi:focus svg{color:#000000}.of:focus{transform:scale(1.01)}.lh:active{border-style:none}</style><style type="text/css" data-fela-rehydration="572" data-fela-type="RULE" media="all and (min-width: 1080px)">.d{display:none}.bw{width:64px}.cg{margin:0 64px}.cv{height:48px}.dc{margin-bottom:52px}.do{margin-bottom:48px}.ef{font-size:14px}.eg{line-height:20px}.em{font-size:13px}.eo{padding:5px 12px}.fh{display:flex}.fz{margin-bottom:68px}.gd{max-width:680px}.hn{font-size:42px}.ho{margin-top:1.19em}.hp{line-height:52px}.hq{letter-spacing:-0.011em}.if{font-size:22px}.ig{margin-top:0.92em}.ih{line-height:28px}.im{align-items:center}.ka{border-top:solid 1px #F2F2F2}.kb{border-bottom:solid 1px #F2F2F2}.kc{margin:32px 0 0}.kd{padding:3px 8px}.km> *{margin-right:24px}.kn> :last-child{margin-right:0}.lo{margin-top:0px}.md{margin:0}.no{font-size:20px}.np{margin-top:2.14em}.nq{line-height:32px}.nr{letter-spacing:-0.003em}.oa{margin-top:56px}.pc{font-size:24px}.pd{margin-top:1.95em}.pe{line-height:30px}.pf{letter-spacing:-0.016em}.pl{margin-top:0.94em}.px{margin-top:1.72em}.py{line-height:24px}.pz{letter-spacing:0}.qx{margin-top:1.14em}.ru{display:inline-block}.sa{margin-bottom:104px}.sd{flex-direction:row}.sg{margin-bottom:0}.sh{margin-right:20px}.te{max-width:500px}.ty{margin-bottom:88px}.ub{margin-bottom:72px}.uq{width:min-width}.uv{padding-top:72px}</style><style type="text/css" data-fela-rehydration="572" data-fela-type="RULE" media="all and (max-width: 1079.98px)">.e{display:none}.ln{margin-top:0px}.oj{margin-left:auto}.ok{text-align:center}.rt{display:inline-block}</style><style type="text/css" data-fela-rehydration="572" data-fela-type="RULE" media="all and (max-width: 903.98px)">.f{display:none}.lm{margin-top:0px}.rs{display:inline-block}</style><style type="text/css" data-fela-rehydration="572" data-fela-type="RULE" media="all and (max-width: 727.98px)">.g{display:none}.lk{margin-top:0px}.ll{margin-right:0px}.rr{display:inline-block}</style><style type="text/css" data-fela-rehydration="572" data-fela-type="RULE" media="all and (max-width: 551.98px)">.h{display:none}.s{display:flex}.t{justify-content:space-between}.bs{width:24px}.cc{margin:0 24px}.cr{height:40px}.cy{margin-bottom:44px}.dk{margin-bottom:32px}.dx{font-size:13px}.dy{line-height:20px}.eh{padding:0px 8px 1px}.fv{margin-bottom:4px}.gx{font-size:32px}.gy{margin-top:1.01em}.gz{line-height:38px}.ha{letter-spacing:-0.014em}.ht{font-size:18px}.hu{margin-top:0.79em}.hv{line-height:24px}.ii{align-items:flex-start}.jj{flex-direction:column}.jo{margin:24px -24px 0}.jp{padding:0}.ke> *{margin-right:8px}.kf> :last-child{margin-right:24px}.kx{margin-left:0px}.li{margin-top:0px}.lj{margin-right:0px}.lz{margin:0}.mj{border:1px solid #F2F2F2}.mk{border-radius:99em}.ml{padding:0px 16px 0px 12px}.mm{height:38px}.mn{align-items:center}.mp svg{margin-right:8px}.na{margin-top:1.56em}.nb{line-height:28px}.nc{letter-spacing:-0.003em}.nw{margin-top:40px}.oo{font-size:20px}.op{margin-top:1.2em}.oq{letter-spacing:0}.ph{margin-top:0.67em}.pn{font-size:16px}.po{margin-top:1.23em}.qt{margin-top:1.34em}.rq{display:inline-block}.rw{margin-bottom:96px}.so{margin-bottom:20px}.sp{margin-right:0}.ti{max-width:100%}.tl{font-size:24px}.tm{line-height:30px}.tn{letter-spacing:-0.016em}.tu{margin-bottom:64px}.um{width:100%}.ur{padding-top:48px}.mo:hover{border-color:#E5E5E5}</style><style type="text/css" data-fela-rehydration="572" data-fela-type="RULE" media="all and (min-width: 904px) and (max-width: 1079.98px)">.i{display:none}.bv{width:64px}.cf{margin:0 64px}.cu{height:48px}.db{margin-bottom:52px}.dn{margin-bottom:48px}.ed{font-size:14px}.ee{line-height:20px}.ek{font-size:13px}.el{padding:5px 12px}.fg{display:flex}.fy{margin-bottom:68px}.gc{max-width:680px}.hj{font-size:42px}.hk{margin-top:1.19em}.hl{line-height:52px}.hm{letter-spacing:-0.011em}.ic{font-size:22px}.id{margin-top:0.92em}.ie{line-height:28px}.il{align-items:center}.jw{border-top:solid 1px #F2F2F2}.jx{border-bottom:solid 1px #F2F2F2}.jy{margin:32px 0 0}.jz{padding:3px 8px}.kk> *{margin-right:24px}.kl> :last-child{margin-right:0}.mc{margin:0}.nk{font-size:20px}.nl{margin-top:2.14em}.nm{line-height:32px}.nn{letter-spacing:-0.003em}.nz{margin-top:56px}.oy{font-size:24px}.oz{margin-top:1.95em}.pa{line-height:30px}.pb{letter-spacing:-0.016em}.pk{margin-top:0.94em}.pu{margin-top:1.72em}.pv{line-height:24px}.pw{letter-spacing:0}.qw{margin-top:1.14em}.rz{margin-bottom:104px}.se{flex-direction:row}.si{margin-bottom:0}.sj{margin-right:20px}.tf{max-width:500px}.tx{margin-bottom:88px}.ua{margin-bottom:72px}.up{width:min-width}.uu{padding-top:72px}</style><style type="text/css" data-fela-rehydration="572" data-fela-type="RULE" media="all and (min-width: 728px) and (max-width: 903.98px)">.j{display:none}.w{display:flex}.x{justify-content:space-between}.bu{width:64px}.ce{margin:0 48px}.ct{height:48px}.da{margin-bottom:52px}.dm{margin-bottom:48px}.eb{font-size:13px}.ec{line-height:20px}.ej{padding:0px 8px 1px}.fx{margin-bottom:68px}.gb{max-width:680px}.hf{font-size:42px}.hg{margin-top:1.19em}.hh{line-height:52px}.hi{letter-spacing:-0.011em}.hz{font-size:22px}.ia{margin-top:0.92em}.ib{line-height:28px}.ik{align-items:center}.js{border-top:solid 1px #F2F2F2}.jt{border-bottom:solid 1px #F2F2F2}.ju{margin:32px 0 0}.jv{padding:3px 8px}.ki> *{margin-right:24px}.kj> :last-child{margin-right:0}.mb{margin:0}.ng{font-size:20px}.nh{margin-top:2.14em}.ni{line-height:32px}.nj{letter-spacing:-0.003em}.ny{margin-top:56px}.ou{font-size:24px}.ov{margin-top:1.95em}.ow{line-height:30px}.ox{letter-spacing:-0.016em}.pj{margin-top:0.94em}.pr{margin-top:1.72em}.ps{line-height:24px}.pt{letter-spacing:0}.qv{margin-top:1.14em}.ry{margin-bottom:104px}.sf{flex-direction:row}.sk{margin-bottom:0}.sl{margin-right:20px}.tg{max-width:500px}.tw{margin-bottom:88px}.tz{margin-bottom:72px}.uo{width:min-width}.ut{padding-top:72px}</style><style type="text/css" data-fela-rehydration="572" data-fela-type="RULE" media="all and (min-width: 552px) and (max-width: 727.98px)">.k{display:none}.u{display:flex}.v{justify-content:space-between}.bt{width:24px}.cd{margin:0 24px}.cs{height:40px}.cz{margin-bottom:44px}.dl{margin-bottom:32px}.dz{font-size:13px}.ea{line-height:20px}.ei{padding:0px 8px 1px}.fw{margin-bottom:4px}.hb{font-size:32px}.hc{margin-top:1.01em}.hd{line-height:38px}.he{letter-spacing:-0.014em}.hw{font-size:18px}.hx{margin-top:0.79em}.hy{line-height:24px}.ij{align-items:flex-start}.jk{flex-direction:column}.jq{margin:24px 0 0}.jr{padding:0}.kg> *{margin-right:8px}.kh> :last-child{margin-right:8px}.ky{margin-left:0px}.ma{margin:0}.mq{border:1px solid #F2F2F2}.mr{border-radius:99em}.ms{padding:0px 16px 0px 12px}.mt{height:38px}.mu{align-items:center}.mw svg{margin-right:8px}.nd{margin-top:1.56em}.ne{line-height:28px}.nf{letter-spacing:-0.003em}.nx{margin-top:40px}.or{font-size:20px}.os{margin-top:1.2em}.ot{letter-spacing:0}.pi{margin-top:0.67em}.pp{font-size:16px}.pq{margin-top:1.23em}.qu{margin-top:1.34em}.rx{margin-bottom:96px}.sm{margin-bottom:20px}.sn{margin-right:0}.th{max-width:100%}.to{font-size:24px}.tp{line-height:30px}.tq{letter-spacing:-0.016em}.tv{margin-bottom:64px}.un{width:100%}.us{padding-top:48px}.mv:hover{border-color:#E5E5E5}</style><style type="text/css" data-fela-rehydration="572" data-fela-type="RULE" media="print">.ro{display:none}</style><style type="text/css" data-fela-rehydration="572" data-fela-type="RULE" media="(prefers-reduced-motion: no-preference)">.oc{transition:transform 300ms cubic-bezier(0.2, 0, 0.2, 1)}</style></head><body><div id="root"><div class="a b c"><div class="d e f g h i j k"></div><script>document.domain = document.domain;</script><div class="l c"><div class="l m n o c"><div class="p q r s t u v w x i d y z"><a class="du ag dv bf ak b am an ao ap aq ar as at s u w i d q dw z" href="https://rsci.app.link/?%24canonical_url=https%3A%2F%2Fmedium.com%2Fp%2F604659d2117d&%7Efeature=LoOpenInAppButton&%7Echannel=ShowPostUnderUser&source=---top_nav_layout_nav----------------------------------" rel="noopener follow">Open in app<svg xmlns="http://www.w3.org/2000/svg" width="10" height="10" fill="none" viewBox="0 0 10 10" class="dt"><path fill="currentColor" d="M.985 8.485a.375.375 0 1 0 .53.53zM8.75 1.25h.375A.375.375 0 0 0 8.75.875zM8.375 6.5a.375.375 0 1 0 .75 0zM3.5.875a.375.375 0 1 0 0 .75zm-1.985 8.14 7.5-7.5-.53-.53-7.5 7.5zm6.86-7.765V6.5h.75V1.25zM3.5 1.625h5.25v-.75H3.5z"></path></svg></a><div class="ab q"><p class="bf b dx dy dz ea eb ec ed ee ef eg du"><span><button class="bf b dx dy eh dz ea ei eb ec ej ek ee el em eg eo ep eq er es et eu ev ew ex ey ez fa fb fc fd bm fe ff" data-testid="headerSignUpButton">Sign up</button></span></p><div class="ax l"><p class="bf b dx dy dz ea eb ec ed ee ef eg du"><span><a class="af ag ah ai aj ak al am an ao ap aq ar as at" data-testid="headerSignInButton" rel="noopener follow" href="/m/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40solidity101%2F100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d&source=post_page---top_nav_layout_nav-----------------------global_nav-----------">Sign in</a></span></p></div></div></div><div class="p q r ab ac"><div class="ab q ae"><a class="af ag ah ai aj ak al am an ao ap aq ar as at ab" aria-label="Homepage" data-testid="headerMediumLogo" rel="noopener follow" href="/?source=---top_nav_layout_nav----------------------------------"><svg xmlns="http://www.w3.org/2000/svg" width="719" height="160" fill="none" viewBox="0 0 719 160" class="au av aw"><path fill="#242424" d="m174.104 9.734.215-.047V8.02H130.39L89.6 103.89 48.81 8.021H1.472v1.666l.212.047c8.018 1.81 12.09 4.509 12.09 14.242V137.93c0 9.734-4.087 12.433-12.106 14.243l-.212.047v1.671h32.118v-1.665l-.213-.048c-8.018-1.809-12.089-4.509-12.089-14.242V30.586l52.399 123.305h2.972l53.925-126.743V140.75c-.687 7.688-4.721 10.062-11.982 11.701l-.215.05v1.652h55.948v-1.652l-.215-.05c-7.269-1.639-11.4-4.013-12.087-11.701l-.037-116.774h.037c0-9.733 4.071-12.432 12.087-14.242m25.555 75.488c.915-20.474 8.268-35.252 20.606-35.507 3.806.063 6.998 1.312 9.479 3.714 5.272 5.118 7.751 15.812 7.368 31.793zm-.553 5.77h65.573v-.275c-.186-15.656-4.721-27.834-13.466-36.196-7.559-7.227-18.751-11.203-30.507-11.203h-.263c-6.101 0-13.584 1.48-18.909 4.16-6.061 2.807-11.407 7.003-15.855 12.511-7.161 8.874-11.499 20.866-12.554 34.343q-.05.606-.092 1.212a50 50 0 0 0-.065 1.151 85.807 85.807 0 0 0-.094 5.689c.71 30.524 17.198 54.917 46.483 54.917 25.705 0 40.675-18.791 44.407-44.013l-1.886-.664c-6.557 13.556-18.334 21.771-31.738 20.769-18.297-1.369-32.314-19.922-31.042-42.395m139.722 41.359c-2.151 5.101-6.639 7.908-12.653 7.908s-11.513-4.129-15.418-11.63c-4.197-8.053-6.405-19.436-6.405-32.92 0-28.067 8.729-46.22 22.24-46.22 5.657 0 10.111 2.807 12.236 7.704zm43.499 20.008c-8.019-1.897-12.089-4.722-12.089-14.951V1.309l-48.716 14.353v1.757l.299-.024c6.72-.543 11.278.386 13.925 2.83 2.072 1.915 3.082 4.853 3.082 8.987v18.66c-4.803-3.067-10.516-4.56-17.448-4.56-14.059 0-26.909 5.92-36.176 16.672-9.66 11.205-14.767 26.518-14.767 44.278-.003 31.72 15.612 53.039 38.851 53.039 13.595 0 24.533-7.449 29.54-20.013v16.865h43.711v-1.746zM424.1 19.819c0-9.904-7.468-17.374-17.375-17.374-9.859 0-17.573 7.632-17.573 17.374s7.721 17.374 17.573 17.374c9.907 0 17.375-7.47 17.375-17.374m11.499 132.546c-8.019-1.897-12.089-4.722-12.089-14.951h-.035V43.635l-43.714 12.551v1.705l.263.024c9.458.842 12.047 4.1 12.047 15.152v81.086h43.751v-1.746zm112.013 0c-8.018-1.897-12.089-4.722-12.089-14.951V43.635l-41.621 12.137v1.71l.246.026c7.733.813 9.967 4.257 9.967 15.36v59.279c-2.578 5.102-7.415 8.131-13.274 8.336-9.503 0-14.736-6.419-14.736-18.073V43.638l-43.714 12.55v1.703l.262.024c9.459.84 12.05 4.097 12.05 15.152v50.17a56.3 56.3 0 0 0 .91 10.444l.787 3.423c3.701 13.262 13.398 20.197 28.59 20.197 12.868 0 24.147-7.966 29.115-20.43v17.311h43.714v-1.747zm169.818 1.788v-1.749l-.213-.05c-8.7-2.006-12.089-5.789-12.089-13.49v-63.79c0-19.89-11.171-31.761-29.883-31.761-13.64 0-25.141 7.882-29.569 20.16-3.517-13.01-13.639-20.16-28.606-20.16-13.146 0-23.449 6.938-27.869 18.657V43.643L545.487 55.68v1.715l.263.024c9.345.829 12.047 4.181 12.047 14.95v81.784h40.787v-1.746l-.215-.053c-6.941-1.631-9.181-4.606-9.181-12.239V66.998c1.836-4.289 5.537-9.37 12.853-9.37 9.086 0 13.692 6.296 13.692 18.697v77.828h40.797v-1.746l-.215-.053c-6.94-1.631-9.18-4.606-9.18-12.239V75.066a42 42 0 0 0-.578-7.26c1.947-4.661 5.86-10.177 13.475-10.177 9.214 0 13.691 6.114 13.691 18.696v77.828z"></path></svg></a><div class="ax h"><div class="ab ay az ba bb q bc bd"><div class="bm" aria-hidden="false" aria-describedby="searchResults" aria-labelledby="searchResults"></div><div class="bn bo ab"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24"><path fill="currentColor" fill-rule="evenodd" d="M4.092 11.06a6.95 6.95 0 1 1 13.9 0 6.95 6.95 0 0 1-13.9 0m6.95-8.05a8.05 8.05 0 1 0 5.13 14.26l3.75 3.75a.56.56 0 1 0 .79-.79l-3.73-3.73A8.05 8.05 0 0 0 11.042 3z" clip-rule="evenodd"></path></svg></div><input role="combobox" aria-controls="searchResults" aria-expanded="false" aria-label="search" data-testid="headerSearchInput" tabindex="0" class="ay be bf bg z bh bi bj bk bl" placeholder="Search" value=""/></div></div></div><div class="h k w fg fh"><div class="fi ab"><span><a class="af ag ah ai aj ak al am an ao ap aq ar as at" data-testid="headerWriteButton" rel="noopener follow" href="/m/signin?operation=register&redirect=https%3A%2F%2Fmedium.com%2Fnew-story&source=---top_nav_layout_nav-----------------------new_post_topnav-----------"><div class="bf b bg z du fj fk ab q fl fm"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24" aria-label="Write"><path fill="currentColor" d="M14 4a.5.5 0 0 0 0-1zm7 6a.5.5 0 0 0-1 0zm-7-7H4v1h10zM3 4v16h1V4zm1 17h16v-1H4zm17-1V10h-1v10zm-1 1a1 1 0 0 0 1-1h-1zM3 20a1 1 0 0 0 1 1v-1zM4 3a1 1 0 0 0-1 1h1z"></path><path stroke="currentColor" d="m17.5 4.5-8.458 8.458a.25.25 0 0 0-.06.098l-.824 2.47a.25.25 0 0 0 .316.316l2.47-.823a.25.25 0 0 0 .098-.06L19.5 6.5m-2-2 2.323-2.323a.25.25 0 0 1 .354 0l1.646 1.646a.25.25 0 0 1 0 .354L19.5 6.5m-2-2 2 2"></path></svg><div class="dt l">Write</div></div></a></span></div></div><div class="k j i d"><div class="fi ab"><a class="af ag ah ai aj ak al am an ao ap aq ar as at" data-testid="headerSearchButton" rel="noopener follow" href="/search?source=---top_nav_layout_nav----------------------------------"><div class="bf b bg z du fj fk ab q fl fm"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24" aria-label="Search"><path fill="currentColor" fill-rule="evenodd" d="M4.092 11.06a6.95 6.95 0 1 1 13.9 0 6.95 6.95 0 0 1-13.9 0m6.95-8.05a8.05 8.05 0 1 0 5.13 14.26l3.75 3.75a.56.56 0 1 0 .79-.79l-3.73-3.73A8.05 8.05 0 0 0 11.042 3z" clip-rule="evenodd"></path></svg></div></a></div></div><div class="fi h k j"><div class="ab q"><p class="bf b dx dy dz ea eb ec ed ee ef eg du"><span><button class="bf b dx dy eh dz ea ei eb ec ej ek ee el em eg eo ep eq er es et eu ev ew ex ey ez fa fb fc fd bm fe ff" data-testid="headerSignUpButton">Sign up</button></span></p><div class="ax l"><p class="bf b dx dy dz ea eb ec ed ee ef eg du"><span><a class="af ag ah ai aj ak al am an ao ap aq ar as at" data-testid="headerSignInButton" rel="noopener follow" href="/m/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40solidity101%2F100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d&source=post_page---top_nav_layout_nav-----------------------global_nav-----------">Sign in</a></span></p></div></div></div><div class="l" aria-hidden="false"><button class="ay fn am ab q ao fo fp fq" aria-label="user options menu" data-testid="headerUserIcon"><div class="l fj"><img alt="" class="l fd by bz ca cx" src="https://miro.medium.com/v2/resize:fill:64:64/1*dmbNkD5D-u45r44go_cf0g.png" width="32" height="32" loading="lazy" role="presentation"/><div class="fr by l bz ca fs n ay ft"></div></div></button></div></div></div><div class="fu"><a rel="me" href="https://me.dm/@solidity101">Mastodon</a></div><div class="l"><div class="fv fw fx fy fz l"><div class="ab cb"><div class="ci bh ga gb gc gd"></div></div><article><div class="l"><div class="l"><span class="l"></span><section><div><div class="fs gj gk gl gm gn"></div><div class="go gp gq gr gs"><div class="ab cb"><div class="ci bh ga gb gc gd"><div><h1 id="eb96" class="pw-post-title gt gu gv bf gw gx gy gz ha hb hc hd he hf hg hh hi hj hk hl hm hn ho hp hq hr bk" data-testid="storyTitle">#100DaysOfSolidity #057 🔥 Supercharge Your Smart Contract Deployments with Proxy Pattern! 🔥</h1></div><div><h2 id="000a" class="pw-subtitle-paragraph hs gu gv bf b ht hu hv hw hx hy hz ia ib ic id ie if ig ih cq du">#100DaysOfSolidity 057 : “Deploy Any Contract”</h2><div><div class="speechify-ignore ab cp"><div class="speechify-ignore bh l"><div class="ii ij ik il im ab"><div><div class="ab in"><div><div class="bm" aria-hidden="false"><a rel="noopener follow" href="/@solidity101?source=post_page---byline--604659d2117d--------------------------------"><div class="l io ip by iq ir"><div class="l fj"><img alt="Solidity Academy" class="l fd by dd de cx" src="https://miro.medium.com/v2/da:true/resize:fill:88:88/0*VmhSfdMOmfv_PwWU" width="44" height="44" loading="lazy" data-testid="authorPhoto"/><div class="is by l dd de fs n it ft"></div></div></div></a></div></div></div></div><div class="bn bh l"><div class="ab"><div style="flex:1"><span class="bf b bg z bk"><div class="iu ab q"><div class="ab q iv"><div class="ab q"><div><div class="bm" aria-hidden="false"><p class="bf b iw ix bk"><a class="af ag ah ai aj ak al am an ao ap aq ar iy" data-testid="authorName" rel="noopener follow" href="/@solidity101?source=post_page---byline--604659d2117d--------------------------------">Solidity Academy</a></p></div></div></div><div class="iz ja l"><div class="ab jb"><div class="ab"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none" viewBox="0 0 16 16"><path fill="#437AFF" d="M15.163 8c0 .65-.459 1.144-.863 1.575-.232.244-.471.5-.563.719s-.086.543-.092.875c-.006.606-.018 1.3-.49 1.781-.47.481-1.15.494-1.744.5-.324.006-.655.013-.857.094s-.465.337-.704.575c-.422.412-.906.881-1.542.881-.637 0-1.12-.469-1.543-.881-.239-.238-.49-.482-.704-.575-.214-.094-.532-.088-.857-.094-.593-.006-1.273-.019-1.744-.5s-.484-1.175-.49-1.781c-.006-.332-.012-.669-.092-.875-.08-.207-.33-.475-.563-.719-.404-.431-.863-.925-.863-1.575s.46-1.144.863-1.575c.233-.244.472-.5.563-.719.092-.219.086-.544.092-.875.006-.606.019-1.3.49-1.781s1.15-.494 1.744-.5c.325-.006.655-.012.857-.094.202-.081.465-.337.704-.575C7.188 1.47 7.671 1 8.308 1s1.12.469 1.542.881c.239.238.49.481.704.575s.533.088.857.094c.594.006 1.273.019 1.745.5.47.481.483 1.175.49 1.781.005.331.011.669.091.875s.33.475.563.719c.404.431.863.925.863 1.575"></path><path fill="#fff" d="M7.328 10.5c.195 0 .381.08.519.22.137.141.215.331.216.53 0 .066.026.13.072.177a.24.24 0 0 0 .346 0 .25.25 0 0 0 .071-.177c.001-.199.079-.389.216-.53a.73.73 0 0 1 .519-.22h1.959c.13 0 .254-.053.346-.146a.5.5 0 0 0 .143-.354V6a.5.5 0 0 0-.143-.354.49.49 0 0 0-.346-.146h-1.47c-.324 0-.635.132-.865.366-.23.235-.359.552-.359.884v2.5c0 .066-.025.13-.071.177a.24.24 0 0 1-.346 0 .25.25 0 0 1-.072-.177v-2.5c0-.332-.13-.65-.359-.884A1.21 1.21 0 0 0 6.84 5.5h-1.47a.49.49 0 0 0-.346.146A.5.5 0 0 0 4.88 6v4c0 .133.051.26.143.354a.49.49 0 0 0 .347.146z"></path></svg></div></div></div><span class="jc jd" aria-hidden="true"><span class="bf b bg z du">·</span></span><p class="bf b iw ix du"><span><a class="je jf ah ai aj ak al am an ao ap aq ar ex jg jh" rel="noopener follow" href="/m/signin?actionUrl=https%3A%2F%2Fmedium.com%2F_%2Fsubscribe%2Fuser%2F3d2cee6b95e4&operation=register&redirect=https%3A%2F%2Fmedium.com%2F%40solidity101%2F100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d&user=Solidity+Academy&userId=3d2cee6b95e4&source=post_page-3d2cee6b95e4--byline--604659d2117d---------------------post_header-----------">Follow</a></span></p></div></div></span></div></div><div class="l ji"><span class="bf b bg z du"><div class="ab cn jj jk jl"><span class="bf b bg z du"><div class="ab ae"><span data-testid="storyReadTime">7 min read</span><div class="jm jn l" aria-hidden="true"><span class="l" aria-hidden="true"><span class="bf b bg z du">·</span></span></div><span data-testid="storyPublishDate">Aug 2, 2023</span></div></span></div></span></div></div></div><div class="ab cp jo jp jq jr js jt ju jv jw jx jy jz ka kb kc kd"><div class="h k w fg fh q"><div class="kt l"><div class="ab q ku kv"><div class="pw-multi-vote-icon fj kw kx ky kz"><span><a class="af ag ah ai aj ak al am an ao ap aq ar as at" data-testid="headerClapButton" rel="noopener follow" href="/m/signin?actionUrl=https%3A%2F%2Fmedium.com%2F_%2Fvote%2Fp%2F604659d2117d&operation=register&redirect=https%3A%2F%2Fmedium.com%2F%40solidity101%2F100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d&user=Solidity+Academy&userId=3d2cee6b95e4&source=---header_actions--604659d2117d---------------------clap_footer-----------"><div><div class="bm" aria-hidden="false"><div class="la ao lb lc ld le am lf lg lh kz"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" aria-label="clap"><path fill-rule="evenodd" d="M11.37.828 12 3.282l.63-2.454zM13.916 3.953l1.523-2.112-1.184-.39zM8.589 1.84l1.522 2.112-.337-2.501zM18.523 18.92c-.86.86-1.75 1.246-2.62 1.33a6 6 0 0 0 .407-.372c2.388-2.389 2.86-4.951 1.399-7.623l-.912-1.603-.79-1.672c-.26-.56-.194-.98.203-1.288a.7.7 0 0 1 .546-.132c.283.046.546.231.728.5l2.363 4.157c.976 1.624 1.141 4.237-1.324 6.702m-10.999-.438L3.37 14.328a.828.828 0 0 1 .585-1.408.83.83 0 0 1 .585.242l2.158 2.157a.365.365 0 0 0 .516-.516l-2.157-2.158-1.449-1.449a.826.826 0 0 1 1.167-1.17l3.438 3.44a.363.363 0 0 0 .516 0 .364.364 0 0 0 0-.516L5.293 9.513l-.97-.97a.826.826 0 0 1 0-1.166.84.84 0 0 1 1.167 0l.97.968 3.437 3.436a.36.36 0 0 0 .517 0 .366.366 0 0 0 0-.516L6.977 7.83a.82.82 0 0 1-.241-.584.82.82 0 0 1 .824-.826c.219 0 .43.087.584.242l5.787 5.787a.366.366 0 0 0 .587-.415l-1.117-2.363c-.26-.56-.194-.98.204-1.289a.7.7 0 0 1 .546-.132c.283.046.545.232.727.501l2.193 3.86c1.302 2.38.883 4.59-1.277 6.75-1.156 1.156-2.602 1.627-4.19 1.367-1.418-.236-2.866-1.033-4.079-2.246M10.75 5.971l2.12 2.12c-.41.502-.465 1.17-.128 1.89l.22.465-3.523-3.523a.8.8 0 0 1-.097-.368c0-.22.086-.428.241-.584a.847.847 0 0 1 1.167 0m7.355 1.705c-.31-.461-.746-.758-1.23-.837a1.44 1.44 0 0 0-1.11.275c-.312.24-.505.543-.59.881a1.74 1.74 0 0 0-.906-.465 1.47 1.47 0 0 0-.82.106l-2.182-2.182a1.56 1.56 0 0 0-2.2 0 1.54 1.54 0 0 0-.396.701 1.56 1.56 0 0 0-2.21-.01 1.55 1.55 0 0 0-.416.753c-.624-.624-1.649-.624-2.237-.037a1.557 1.557 0 0 0 0 2.2c-.239.1-.501.238-.715.453a1.56 1.56 0 0 0 0 2.2l.516.515a1.556 1.556 0 0 0-.753 2.615L7.01 19c1.32 1.319 2.909 2.189 4.475 2.449q.482.08.971.08c.85 0 1.653-.198 2.393-.579.231.033.46.054.686.054 1.266 0 2.457-.52 3.505-1.567 2.763-2.763 2.552-5.734 1.439-7.586z" clip-rule="evenodd"></path></svg></div></div></div></a></span></div><div class="pw-multi-vote-count l li lj lk ll lm ln lo"><p class="bf b dv z du"><span class="lp">--</span></p></div></div></div><div><div class="bm" aria-hidden="false"><button class="ao la ls lt ab q fk lu lv" aria-label="responses"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" class="lr"><path d="M18.006 16.803c1.533-1.456 2.234-3.325 2.234-5.321C20.24 7.357 16.709 4 12.191 4S4 7.357 4 11.482c0 4.126 3.674 7.482 8.191 7.482.817 0 1.622-.111 2.393-.327.231.2.48.391.744.559 1.06.693 2.203 1.044 3.399 1.044.224-.008.4-.112.486-.287a.49.49 0 0 0-.042-.518c-.495-.67-.845-1.364-1.04-2.057a4 4 0 0 1-.125-.598zm-3.122 1.055-.067-.223-.315.096a8 8 0 0 1-2.311.338c-4.023 0-7.292-2.955-7.292-6.587 0-3.633 3.269-6.588 7.292-6.588 4.014 0 7.112 2.958 7.112 6.593 0 1.794-.608 3.469-2.027 4.72l-.195.168v.255c0 .056 0 .151.016.295.025.231.081.478.154.733.154.558.398 1.117.722 1.659a5.3 5.3 0 0 1-2.165-.845c-.276-.176-.714-.383-.941-.59z"></path></svg><p class="bf b dv z du"><span class="pw-responses-count lq lr">1</span></p></button></div></div></div><div class="ab q ke kf kg kh ki kj kk kl km kn ko kp kq kr ks"><div class="lw k j i d"></div><div class="h k"><div><div class="bm" aria-hidden="false"><span><a class="af ag ah ai aj ak al am an ao ap aq ar as at" data-testid="headerBookmarkButton" rel="noopener follow" href="/m/signin?actionUrl=https%3A%2F%2Fmedium.com%2F_%2Fbookmark%2Fp%2F604659d2117d&operation=register&redirect=https%3A%2F%2Fmedium.com%2F%40solidity101%2F100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d&source=---header_actions--604659d2117d---------------------bookmark_footer-----------"><svg xmlns="http://www.w3.org/2000/svg" width="25" height="25" fill="none" viewBox="0 0 25 25" class="du lx" aria-label="Add to list bookmark button"><path fill="currentColor" d="M18 2.5a.5.5 0 0 1 1 0V5h2.5a.5.5 0 0 1 0 1H19v2.5a.5.5 0 1 1-1 0V6h-2.5a.5.5 0 0 1 0-1H18zM7 7a1 1 0 0 1 1-1h3.5a.5.5 0 0 0 0-1H8a2 2 0 0 0-2 2v14a.5.5 0 0 0 .805.396L12.5 17l5.695 4.396A.5.5 0 0 0 19 21v-8.5a.5.5 0 0 0-1 0v7.485l-5.195-4.012a.5.5 0 0 0-.61 0L7 19.985z"></path></svg></a></span></div></div></div><div class="fd ly cn"><div class="l ae"><div class="ab cb"><div class="lz ma mb mc md me ci bh"><div class="ab"><div class="bm bh" aria-hidden="false"><div><div class="bm" aria-hidden="false"><button aria-label="Listen" data-testid="audioPlayButton" class="af fk ah ai aj ak al mf an ao ap ex mg mh lv mi mj mk ml mm s mn mo mp mq mr ms mt u mu mv mw"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24"><path fill="currentColor" fill-rule="evenodd" d="M3 12a9 9 0 1 1 18 0 9 9 0 0 1-18 0m9-10C6.477 2 2 6.477 2 12s4.477 10 10 10 10-4.477 10-10S17.523 2 12 2m3.376 10.416-4.599 3.066a.5.5 0 0 1-.777-.416V8.934a.5.5 0 0 1 .777-.416l4.599 3.066a.5.5 0 0 1 0 .832" clip-rule="evenodd"></path></svg><div class="j i d"><p class="bf b bg z du">Listen</p></div></button></div></div></div></div></div></div></div></div><div class="bm" aria-hidden="false" aria-describedby="postFooterSocialMenu" aria-labelledby="postFooterSocialMenu"><div><div class="bm" aria-hidden="false"><button aria-controls="postFooterSocialMenu" aria-expanded="false" aria-label="Share Post" data-testid="headerSocialShareButton" class="af fk ah ai aj ak al mf an ao ap ex mg mh lv mi mj mk ml mm s mn mo mp mq mr ms mt u mu mv mw"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24"><path fill="currentColor" fill-rule="evenodd" d="M15.218 4.931a.4.4 0 0 1-.118.132l.012.006a.45.45 0 0 1-.292.074.5.5 0 0 1-.3-.13l-2.02-2.02v7.07c0 .28-.23.5-.5.5s-.5-.22-.5-.5v-7.04l-2 2a.45.45 0 0 1-.57.04h-.02a.4.4 0 0 1-.16-.3.4.4 0 0 1 .1-.32l2.8-2.8a.5.5 0 0 1 .7 0l2.8 2.79a.42.42 0 0 1 .068.498m-.106.138.008.004v-.01zM16 7.063h1.5a2 2 0 0 1 2 2v10a2 2 0 0 1-2 2h-11c-1.1 0-2-.9-2-2v-10a2 2 0 0 1 2-2H8a.5.5 0 0 1 .35.15.5.5 0 0 1 .15.35.5.5 0 0 1-.15.35.5.5 0 0 1-.35.15H6.4c-.5 0-.9.4-.9.9v10.2a.9.9 0 0 0 .9.9h11.2c.5 0 .9-.4.9-.9v-10.2c0-.5-.4-.9-.9-.9H16a.5.5 0 0 1 0-1" clip-rule="evenodd"></path></svg><div class="j i d"><p class="bf b bg z du">Share</p></div></button></div></div></div></div></div></div></div></div></div><p id="6768" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">Are you tired of manually deploying your Solidity contracts every time you make updates or want to try out different implementations? 😫 Do you wish there was a way to deploy any contract effortlessly without the hassle of redeploying the entire code? 🤔 Well, you’re in luck! In this article, we’ll dive into the powerful Proxy pattern and show you how to deploy any contract with just a few lines of code! 🚀</p><figure class="nw nx ny nz oa ob nt nu paragraph-image"><div role="button" tabindex="0" class="oc od fj oe bh of"><div class="nt nu nv"><picture><source srcSet="https://miro.medium.com/v2/resize:fit:640/format:webp/1*v0G9bSzt9p5ovOkXkJsnPw.png 640w, https://miro.medium.com/v2/resize:fit:720/format:webp/1*v0G9bSzt9p5ovOkXkJsnPw.png 720w, https://miro.medium.com/v2/resize:fit:750/format:webp/1*v0G9bSzt9p5ovOkXkJsnPw.png 750w, https://miro.medium.com/v2/resize:fit:786/format:webp/1*v0G9bSzt9p5ovOkXkJsnPw.png 786w, https://miro.medium.com/v2/resize:fit:828/format:webp/1*v0G9bSzt9p5ovOkXkJsnPw.png 828w, https://miro.medium.com/v2/resize:fit:1100/format:webp/1*v0G9bSzt9p5ovOkXkJsnPw.png 1100w, https://miro.medium.com/v2/resize:fit:1400/format:webp/1*v0G9bSzt9p5ovOkXkJsnPw.png 1400w" sizes="(min-resolution: 4dppx) and (max-width: 700px) 50vw, (-webkit-min-device-pixel-ratio: 4) and (max-width: 700px) 50vw, (min-resolution: 3dppx) and (max-width: 700px) 67vw, (-webkit-min-device-pixel-ratio: 3) and (max-width: 700px) 65vw, (min-resolution: 2.5dppx) and (max-width: 700px) 80vw, (-webkit-min-device-pixel-ratio: 2.5) and (max-width: 700px) 80vw, (min-resolution: 2dppx) and (max-width: 700px) 100vw, (-webkit-min-device-pixel-ratio: 2) and (max-width: 700px) 100vw, 700px" type="image/webp"/><source data-testid="og" srcSet="https://miro.medium.com/v2/resize:fit:640/1*v0G9bSzt9p5ovOkXkJsnPw.png 640w, https://miro.medium.com/v2/resize:fit:720/1*v0G9bSzt9p5ovOkXkJsnPw.png 720w, https://miro.medium.com/v2/resize:fit:750/1*v0G9bSzt9p5ovOkXkJsnPw.png 750w, https://miro.medium.com/v2/resize:fit:786/1*v0G9bSzt9p5ovOkXkJsnPw.png 786w, https://miro.medium.com/v2/resize:fit:828/1*v0G9bSzt9p5ovOkXkJsnPw.png 828w, https://miro.medium.com/v2/resize:fit:1100/1*v0G9bSzt9p5ovOkXkJsnPw.png 1100w, https://miro.medium.com/v2/resize:fit:1400/1*v0G9bSzt9p5ovOkXkJsnPw.png 1400w" sizes="(min-resolution: 4dppx) and (max-width: 700px) 50vw, (-webkit-min-device-pixel-ratio: 4) and (max-width: 700px) 50vw, (min-resolution: 3dppx) and (max-width: 700px) 67vw, (-webkit-min-device-pixel-ratio: 3) and (max-width: 700px) 65vw, (min-resolution: 2.5dppx) and (max-width: 700px) 80vw, (-webkit-min-device-pixel-ratio: 2.5) and (max-width: 700px) 80vw, (min-resolution: 2dppx) and (max-width: 700px) 100vw, (-webkit-min-device-pixel-ratio: 2) and (max-width: 700px) 100vw, 700px"/><img alt="" class="bh me og c" width="700" height="394" loading="lazy" role="presentation"/></picture></div></div><figcaption class="oh ff oi nt nu oj ok bf b bg z du">#100DaysOfSolidity #057 🔥 Supercharge Your Smart Contract Deployments with Proxy Pattern! 🔥</figcaption></figure><h1 id="b137" class="ol om gv bf on oo op hv oq or os hy ot ou ov ow ox oy oz pa pb pc pd pe pf pg bk">Introducing the Proxy Pattern 🎭</h1><p id="0fe7" class="pw-post-body-paragraph mx my gv mz b ht ph nb nc hw pi ne nf ng pj ni nj nk pk nm nn no pl nq nr ns go bk">The Proxy pattern is a design pattern commonly used in software engineering to provide an intermediary layer between a client and a target object. In the context of Ethereum smart contracts, the Proxy pattern enables us to deploy a single Proxy contract that can represent and interact with multiple other contracts, allowing for flexible and upgradeable deployments! 🔄</p><h1 id="28b0" class="ol om gv bf on oo op hv oq or os hy ot ou ov ow ox oy oz pa pb pc pd pe pf pg bk">Why Use the Proxy Pattern in Solidity? 🤷♂️</h1><p id="fdf5" class="pw-post-body-paragraph mx my gv mz b ht ph nb nc hw pi ne nf ng pj ni nj nk pk nm nn no pl nq nr ns go bk">The Proxy pattern in Solidity has several benefits that make it an attractive choice for deploying contracts:</p><p id="27d2" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><strong class="mz gw">1. Upgradeability: </strong>By separating the contract’s logic from its data, we can easily update the logic while preserving the data and storage. This is especially useful when we find bugs or want to add new features to our smart contract!</p><p id="29d6" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><strong class="mz gw">2. Cost-Efficiency: </strong>The Proxy pattern allows us to avoid redeploying the entire contract when making updates, which can be expensive in terms of gas costs. Instead, we only need to deploy a new implementation contract and update the Proxy’s logic address.</p><p id="836c" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><strong class="mz gw">3. Immutability of Address: </strong>Once the Proxy contract is deployed, its address remains unchanged, making it easier to interact with the contract in a decentralized application (DApp) or share the contract address with others.</p><p id="1f1e" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><strong class="mz gw">4. Simplified Deployment Process: </strong>With the Proxy pattern, we can deploy new contract implementations without disrupting the main Proxy contract, resulting in a smoother deployment process.</p><p id="fcd2" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">Now that we understand the benefits, let’s dive into the implementation details! 💻</p><h1 id="e7bb" class="ol om gv bf on oo op hv oq or os hy ot ou ov ow ox oy oz pa pb pc pd pe pf pg bk">Deploy Any Contract Using Proxy 🔧</h1><p id="e39a" class="pw-post-body-paragraph mx my gv mz b ht ph nb nc hw pi ne nf ng pj ni nj nk pk nm nn no pl nq nr ns go bk">In this section, we’ll walk you through the steps to deploy any contract using the Proxy pattern. For the sake of demonstration, we’ll use a simple ERC20 token contract as the target contract, but keep in mind that you can apply the Proxy pattern to any contract you like! 🤩</p><h2 id="255c" class="pm om gv bf on pn po dy oq pp pq ea ot ng pr ps pt nk pu pv pw no px py pz qa bk">Step 1: Prepare the Target Contract 🎯</h2><p id="d2cd" class="pw-post-body-paragraph mx my gv mz b ht ph nb nc hw pi ne nf ng pj ni nj nk pk nm nn no pl nq nr ns go bk">Before we create our Proxy contract, we need to have a target contract that we want to deploy using the Proxy. For this example, let’s assume we have a basic ERC20 token contract. Here’s a simplified version of it:</p><pre class="nw nx ny nz oa qb qc qd bp qe bb bk"><span id="5dd1" class="qf om gv qc b bg qg qh l qi qj">// Target contract - ERC20Token.sol<br/>// SPDX-License-Identifier: MIT<br/>pragma solidity ^0.8.0;<br/>contract ERC20Token {<br/> string public name;<br/> string public symbol;<br/> uint8 public decimals;<br/> uint256 public totalSupply;<br/> mapping(address => uint256) public balanceOf;<br/> <br/> // Constructor to initialize the ERC20 token<br/> constructor(string memory _name, string memory _symbol, uint8 _decimals, uint256 _initialSupply) {<br/> name = _name;<br/> symbol = _symbol;<br/> decimals = _decimals;<br/> totalSupply = _initialSupply;<br/> balanceOf[msg.sender] = _initialSupply;<br/> }<br/> <br/> // Other functions for transferring tokens, etc.<br/> // …<br/>}</span></pre><h2 id="0295" class="pm om gv bf on pn po dy oq pp pq ea ot ng pr ps pt nk pu pv pw no px py pz qa bk">Step 2: Create the Proxy Contract 📃</h2><p id="a68c" class="pw-post-body-paragraph mx my gv mz b ht ph nb nc hw pi ne nf ng pj ni nj nk pk nm nn no pl nq nr ns go bk">Now that we have our target ERC20 token contract, let’s create the Proxy contract. The Proxy contract will be responsible for routing function calls to the appropriate implementation contract. Here’s how the Proxy contract looks:</p><pre class="nw nx ny nz oa qb qc qd bp qe bb bk"><span id="3b30" class="qf om gv qc b bg qg qh l qi qj">// Proxy contract - Proxy.sol<br/>// SPDX-License-Identifier: MIT<br/>pragma solidity ^0.8.0;<br/>contract Proxy {<br/> address public implementation;<br/>constructor(address _implementation) {<br/> implementation = _implementation;<br/> }<br/>fallback() external payable {<br/> address _impl = implementation;<br/> assembly {<br/> calldatacopy(0, 0, calldatasize())<br/> let result := delegatecall(gas(), _impl, 0, calldatasize(), 0, 0)<br/> returndatacopy(0, 0, returndatasize())<br/> switch result<br/> case 0 { revert(0, returndatasize()) }<br/> default { return(0, returndatasize()) }<br/> }<br/> }<br/>}</span></pre><p id="89aa" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">In the Proxy contract, we store the address of the current implementation contract in the `implementation` variable. The fallback function is a crucial part of the Proxy pattern; it is executed whenever someone calls the Proxy contract with a function that does not exist in the Proxy itself. The fallback function delegates the call to the `implementation` contract using a delegatecall, effectively forwarding the call to the actual contract that contains the function’s implementation.</p><h2 id="6bf8" class="pm om gv bf on pn po dy oq pp pq ea ot ng pr ps pt nk pu pv pw no px py pz qa bk">Step 3: Deploy the Proxy and Target Contracts 🚀</h2><p id="b2c5" class="pw-post-body-paragraph mx my gv mz b ht ph nb nc hw pi ne nf ng pj ni nj nk pk nm nn no pl nq nr ns go bk">Now it’s time to deploy our contracts on the Ethereum blockchain! To do that, follow these steps:</p><p id="644d" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><strong class="mz gw">1. </strong>Deploy the Target ERC20 Token contract with your preferred initial values (name, symbol, decimals, and initial supply) using your favorite Ethereum development tool or framework.</p><p id="7f56" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><strong class="mz gw">2. </strong>Once the Target ERC20 Token contract is deployed, make note of its address.</p><p id="6941" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><strong class="mz gw">3. </strong>Deploy the Proxy contract, passing the address of the Target ERC20 Token contract as a constructor parameter:</p><pre class="nw nx ny nz oa qb qc qd bp qe bb bk"><span id="79ee" class="qf om gv qc b bg qg qh l qi qj">// JavaScript code for deploying the Proxy contract<br/>const Proxy = artifacts.require("Proxy");<br/>const ERC20Token = artifacts.require("ERC20Token");<br/>module.exports = async function (deployer) {<br/> await deployer.deploy(ERC20Token, "MyToken", "MTK", 18, 1000000000);<br/> const erc20Token = await ERC20Token.deployed();<br/> await deployer.deploy(Proxy, erc20Token.address);<br/>};</span></pre><h2 id="54b1" class="pm om gv bf on pn po dy oq pp pq ea ot ng pr ps pt nk pu pv pw no px py pz qa bk">Step 4: Interact with the Proxy Contract 🤝</h2><p id="6f67" class="pw-post-body-paragraph mx my gv mz b ht ph nb nc hw pi ne nf ng pj ni nj nk pk nm nn no pl nq nr ns go bk">Congratulations! You’ve successfully deployed your Proxy contract and associated it with the ERC20 Token contract. Now, let’s see how to interact with the Proxy to perform token transfers:</p><pre class="nw nx ny nz oa qb qc qd bp qe bb bk"><span id="c768" class="qf om gv qc b bg qg qh l qi qj">// JavaScript code for interacting with the Proxy contract<br/>const Proxy = artifacts.require("Proxy");<br/>const ERC20Token = artifacts.require("ERC20Token");<br/>module.exports = async function (deployer) {<br/> const proxy = await Proxy.deployed();<br/> const erc20Token = await ERC20Token.at(proxy.address);<br/>// Perform ERC20 token transfers using the Proxy<br/> const recipient = "0x1234567890123456789012345678901234567890";<br/> const amount = 100;<br/> await erc20Token.transfer(recipient, amount);<br/>// Check the balance of the recipient<br/> const recipientBalance = await erc20Token.balanceOf(recipient);<br/> console.log("Recipient Balance:", recipientBalance.toString());<br/>};</span></pre><p id="66a9" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">And that’s it! You now have a fully functional Proxy pattern set up for your ERC20 token contract. You can leverage this pattern to deploy and upgrade any contract efficiently and cost-effectively! 🎉</p><h2 id="ac96" class="pm om gv bf on pn po dy oq pp pq ea ot ng pr ps pt nk pu pv pw no px py pz qa bk">Analysis of Smart Contract</h2><figure class="nw nx ny nz oa ob nt nu paragraph-image"><div role="button" tabindex="0" class="oc od fj oe bh of"><div class="nt nu qk"><picture><source srcSet="https://miro.medium.com/v2/resize:fit:640/format:webp/1*exBNiW80XLk76FuOKK885A.png 640w, https://miro.medium.com/v2/resize:fit:720/format:webp/1*exBNiW80XLk76FuOKK885A.png 720w, https://miro.medium.com/v2/resize:fit:750/format:webp/1*exBNiW80XLk76FuOKK885A.png 750w, https://miro.medium.com/v2/resize:fit:786/format:webp/1*exBNiW80XLk76FuOKK885A.png 786w, https://miro.medium.com/v2/resize:fit:828/format:webp/1*exBNiW80XLk76FuOKK885A.png 828w, https://miro.medium.com/v2/resize:fit:1100/format:webp/1*exBNiW80XLk76FuOKK885A.png 1100w, https://miro.medium.com/v2/resize:fit:1400/format:webp/1*exBNiW80XLk76FuOKK885A.png 1400w" sizes="(min-resolution: 4dppx) and (max-width: 700px) 50vw, (-webkit-min-device-pixel-ratio: 4) and (max-width: 700px) 50vw, (min-resolution: 3dppx) and (max-width: 700px) 67vw, (-webkit-min-device-pixel-ratio: 3) and (max-width: 700px) 65vw, (min-resolution: 2.5dppx) and (max-width: 700px) 80vw, (-webkit-min-device-pixel-ratio: 2.5) and (max-width: 700px) 80vw, (min-resolution: 2dppx) and (max-width: 700px) 100vw, (-webkit-min-device-pixel-ratio: 2) and (max-width: 700px) 100vw, 700px" type="image/webp"/><source data-testid="og" srcSet="https://miro.medium.com/v2/resize:fit:640/1*exBNiW80XLk76FuOKK885A.png 640w, https://miro.medium.com/v2/resize:fit:720/1*exBNiW80XLk76FuOKK885A.png 720w, https://miro.medium.com/v2/resize:fit:750/1*exBNiW80XLk76FuOKK885A.png 750w, https://miro.medium.com/v2/resize:fit:786/1*exBNiW80XLk76FuOKK885A.png 786w, https://miro.medium.com/v2/resize:fit:828/1*exBNiW80XLk76FuOKK885A.png 828w, https://miro.medium.com/v2/resize:fit:1100/1*exBNiW80XLk76FuOKK885A.png 1100w, https://miro.medium.com/v2/resize:fit:1400/1*exBNiW80XLk76FuOKK885A.png 1400w" sizes="(min-resolution: 4dppx) and (max-width: 700px) 50vw, (-webkit-min-device-pixel-ratio: 4) and (max-width: 700px) 50vw, (min-resolution: 3dppx) and (max-width: 700px) 67vw, (-webkit-min-device-pixel-ratio: 3) and (max-width: 700px) 65vw, (min-resolution: 2.5dppx) and (max-width: 700px) 80vw, (-webkit-min-device-pixel-ratio: 2.5) and (max-width: 700px) 80vw, (min-resolution: 2dppx) and (max-width: 700px) 100vw, (-webkit-min-device-pixel-ratio: 2) and (max-width: 700px) 100vw, 700px"/><img alt="" class="bh me og c" width="700" height="1477" loading="lazy" role="presentation"/></picture></div></div></figure><p id="492d" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">The provided Solidity code consists of several contracts that enable the deployment and execution of other contracts using the Proxy pattern. The primary contracts involved are:</p><p id="01d3" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><strong class="mz gw">1. `Proxy`:</strong> This contract serves as the main component of the Proxy pattern. It includes functions to deploy new contracts and execute function calls on existing contracts.</p><p id="440b" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><strong class="mz gw">2. `TestContract1`:</strong> A simple test contract with a single state variable `owner`, and a function `setOwner` to update the owner if the caller is the current owner.</p><p id="ee92" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><strong class="mz gw">3. `TestContract2`: </strong>Another test contract with state variables `owner`, `value`, `x`, and `y`, and a constructor to initialize `x` and `y` values.</p><p id="e64d" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><strong class="mz gw">4. `Helper`:</strong> A helper contract containing functions to retrieve the bytecode of `TestContract1` and `TestContract2` and to generate calldata for function `setOwner`.</p><p id="580c" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">Now, let’s analyze each contract and its functionalities in detail:</p><p id="e6ee" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><strong class="mz gw">`Proxy` Contract:</strong></p><p id="6d68" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">This contract acts as the Proxy and facilitates the deployment and execution of other contracts. It includes the following functions:</p><p id="b953" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><em class="ql">`receive()`:</em></p><p id="5178" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">A receive function with the `external` visibility modifier, which allows the contract to receive ETH payments. However, this function is not explicitly used in the contract.</p><p id="ee79" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><em class="ql">`deploy(bytes memory _code)`:</em></p><p id="e33f" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">A function to deploy a new contract using the provided bytecode `_code`. This function uses assembly code to create a new contract with the given bytecode. It returns the address of the deployed contract and emits a `Deploy` event with the contract address.</p><p id="979f" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><em class="ql">`execute(address _target, bytes memory _data)`:</em></p><p id="1877" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">A function to execute a function call on an existing contract. The `_target` parameter represents the address of the contract on which the function call should be executed, and `_data` contains the function call data. This function uses the low-level `call` function to execute the call and reverts if the call fails.</p><p id="f7c5" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><strong class="mz gw">`TestContract1` and `TestContract2`:</strong></p><p id="8ec3" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">These are simple test contracts used to demonstrate the deployment and execution capabilities of the Proxy contract.</p><p id="9efb" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><strong class="mz gw">`Helper` Contract:</strong></p><p id="6b63" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">This contract provides helper functions to retrieve bytecode and generate calldata for function calls.</p><p id="c885" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><em class="ql">`getBytecode1()`:</em></p><p id="766e" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">A function that returns the bytecode of `TestContract1`. It uses the `type(TestContract1).creationCode` to obtain the bytecode.</p><p id="7ceb" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><em class="ql">`getBytecode2(uint _x, uint _y)`:</em></p><p id="ebc4" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">A function that returns the bytecode of `TestContract2` with the constructor arguments `_x` and `_y`. It uses the `type(TestContract2).creationCode` and encodes the arguments using `abi.encodePacked`.</p><p id="d036" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><em class="ql">`getCalldata(address _owner)`:</em></p><p id="febf" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">A function that generates calldata for the `setOwner` function of `TestContract1` with the provided `_owner` address. It uses `abi.encodeWithSignature` to encode the function signature and the `_owner` argument.</p><p id="c90e" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">In summary, the provided Solidity code showcases a Proxy pattern implementation for deploying and executing contracts dynamically. The `Proxy` contract acts as the intermediary, while the `Helper` contract assists with bytecode retrieval and calldata generation for function calls. The `TestContract1` and `TestContract2` contracts serve as simple examples to illustrate the deployment and execution processes.</p><h1 id="ee24" class="ol om gv bf on oo op hv oq or os hy ot ou ov ow ox oy oz pa pb pc pd pe pf pg bk">Conclusion 🏁</h1><p id="7b21" class="pw-post-body-paragraph mx my gv mz b ht ph nb nc hw pi ne nf ng pj ni nj nk pk nm nn no pl nq nr ns go bk">The Proxy pattern is a powerful tool in the Ethereum smart contract developer’s toolkit. It enables seamless contract upgrades and cost-efficient deployments, ultimately leading to a better user experience for decentralized applications. By creating a Proxy contract that delegates function calls to various implementations, we can <strong class="mz gw">deploy any contract</strong> with ease and ensure the immutability of contract addresses.</p><p id="f06a" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">Remember that the Proxy pattern is not limited to <a class="af qm" rel="noopener" href="/@solidity101/100daysofsolidity-creating-your-own-erc20-token-a-technical-guide-ddad9817dbd1"><strong class="mz gw">ERC20 tokens</strong></a>. You can apply it to various contracts, ranging from simple utility contracts to complex DeFi protocols! 🔄🧙♂️</p><p id="c6d7" class="pw-post-body-paragraph mx my gv mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk">So, go ahead and level up your smart contract game by implementing the Proxy pattern in your projects. Happy coding! 💻✨</p><blockquote class="qn qo qp"><p id="83ef" class="mx my ql mz b ht na nb nc hw nd ne nf ng nh ni nj nk nl nm nn no np nq nr ns go bk"><strong class="mz gw">Disclaimer: </strong>The code examples provided in this article are meant for educational purposes only and might not be production-ready. Always conduct a thorough security audit before deploying any smart contract to the mainnet. ⚠️</p></blockquote><h1 id="7f6c" class="ol om gv bf on oo op hv oq or os hy ot ou ov ow ox oy oz pa pb pc pd pe pf pg bk">📚 Resources 📚</h1><ul class=""><li id="6912" class="mx my gv mz b ht ph nb nc hw pi ne nf ng pj ni nj nk pk nm nn no pl nq nr ns qq qr qs bk">🔗 <a class="af qm" href="https://linktr.ee/solidity101" rel="noopener ugc nofollow" target="_blank"><strong class="mz gw">Solidity101 Link Collection</strong></a></li><li id="4770" class="mx my gv mz b ht qt nb nc hw qu ne nf ng qv ni nj nk qw nm nn no qx nq nr ns qq qr qs bk">📝 <a class="af qm" rel="noopener ugc nofollow" target="_blank" href="/@solidity101"><em class="ql">Medium Article Source</em></a></li><li id="1ba3" class="mx my gv mz b ht qt nb nc hw qu ne nf ng qv ni nj nk qw nm nn no qx nq nr ns qq qr qs bk">📚 <a class="af qm" href="https://bit.ly/web3Lib" rel="noopener ugc nofollow" target="_blank"><strong class="mz gw">Web3 Library</strong></a></li><li id="a339" class="mx my gv mz b ht qt nb nc hw qu ne nf ng qv ni nj nk qw nm nn no qx nq nr ns qq qr qs bk">📖 <a class="af qm" href="https://amazon.com/dp/B0BZLKZ58B?binding=paperback" rel="noopener ugc nofollow" target="_blank"><em class="ql">Amazon Book Source</em></a></li><li id="ac58" class="mx my gv mz b ht qt nb nc hw qu ne nf ng qv ni nj nk qw nm nn no qx nq nr ns qq qr qs bk">📑 <a class="af qm" href="https://docs.soliditylang.org/en/develop/" rel="noopener ugc nofollow" target="_blank"><strong class="mz gw">Solidity Documentation</strong></a></li><li id="1064" class="mx my gv mz b ht qt nb nc hw qu ne nf ng qv ni nj nk qw nm nn no qx nq nr ns qq qr qs bk">💰 <a class="af qm" rel="noopener ugc nofollow" target="_blank" href="/@solidity101/about"><em class="ql">Donate US</em></a></li></ul></div></div></div></div></section></div></div></article></div><div class="ab cb"><div class="ci bh ga gb gc gd"><div class="qy qz ab jl"><div class="ra ab"><a class="rb ay am ao" rel="noopener follow" href="/tag/100daysofsolidity?source=post_page-----604659d2117d--------------------------------"><div class="rc fj cx rd gf re rf bf b bg z bk rg">100daysofsolidity</div></a></div><div class="ra ab"><a class="rb ay am ao" rel="noopener follow" href="/tag/smart-contract-deploy?source=post_page-----604659d2117d--------------------------------"><div class="rc fj cx rd gf re rf bf b bg z bk rg">Smart Contract Deploy</div></a></div><div class="ra ab"><a class="rb ay am ao" rel="noopener follow" href="/tag/proxy-pattern?source=post_page-----604659d2117d--------------------------------"><div class="rc fj cx rd gf re rf bf b bg z bk rg">Proxy Pattern</div></a></div><div class="ra ab"><a class="rb ay am ao" rel="noopener follow" href="/tag/deploy-any-contract?source=post_page-----604659d2117d--------------------------------"><div class="rc fj cx rd gf re rf bf b bg z bk rg">Deploy Any Contract</div></a></div></div></div></div><div class="l"></div><footer class="rh ri rj rk rl ab q rm rn c"><div class="l ae"><div class="ab cb"><div class="ci bh ga gb gc gd"><div class="ab cp ro"><div class="ab q ku"><div class="rp l"><span class="l rq rr rs e d"><div class="ab q ku kv"><div class="pw-multi-vote-icon fj kw kx ky kz"><span><a class="af ag ah ai aj ak al am an ao ap aq ar as at" data-testid="footerClapButton" rel="noopener follow" href="/m/signin?actionUrl=https%3A%2F%2Fmedium.com%2F_%2Fvote%2Fp%2F604659d2117d&operation=register&redirect=https%3A%2F%2Fmedium.com%2F%40solidity101%2F100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d&user=Solidity+Academy&userId=3d2cee6b95e4&source=---footer_actions--604659d2117d---------------------clap_footer-----------"><div><div class="bm" aria-hidden="false"><div class="la ao lb lc ld le am lf lg lh kz"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" aria-label="clap"><path fill-rule="evenodd" d="M11.37.828 12 3.282l.63-2.454zM13.916 3.953l1.523-2.112-1.184-.39zM8.589 1.84l1.522 2.112-.337-2.501zM18.523 18.92c-.86.86-1.75 1.246-2.62 1.33a6 6 0 0 0 .407-.372c2.388-2.389 2.86-4.951 1.399-7.623l-.912-1.603-.79-1.672c-.26-.56-.194-.98.203-1.288a.7.7 0 0 1 .546-.132c.283.046.546.231.728.5l2.363 4.157c.976 1.624 1.141 4.237-1.324 6.702m-10.999-.438L3.37 14.328a.828.828 0 0 1 .585-1.408.83.83 0 0 1 .585.242l2.158 2.157a.365.365 0 0 0 .516-.516l-2.157-2.158-1.449-1.449a.826.826 0 0 1 1.167-1.17l3.438 3.44a.363.363 0 0 0 .516 0 .364.364 0 0 0 0-.516L5.293 9.513l-.97-.97a.826.826 0 0 1 0-1.166.84.84 0 0 1 1.167 0l.97.968 3.437 3.436a.36.36 0 0 0 .517 0 .366.366 0 0 0 0-.516L6.977 7.83a.82.82 0 0 1-.241-.584.82.82 0 0 1 .824-.826c.219 0 .43.087.584.242l5.787 5.787a.366.366 0 0 0 .587-.415l-1.117-2.363c-.26-.56-.194-.98.204-1.289a.7.7 0 0 1 .546-.132c.283.046.545.232.727.501l2.193 3.86c1.302 2.38.883 4.59-1.277 6.75-1.156 1.156-2.602 1.627-4.19 1.367-1.418-.236-2.866-1.033-4.079-2.246M10.75 5.971l2.12 2.12c-.41.502-.465 1.17-.128 1.89l.22.465-3.523-3.523a.8.8 0 0 1-.097-.368c0-.22.086-.428.241-.584a.847.847 0 0 1 1.167 0m7.355 1.705c-.31-.461-.746-.758-1.23-.837a1.44 1.44 0 0 0-1.11.275c-.312.24-.505.543-.59.881a1.74 1.74 0 0 0-.906-.465 1.47 1.47 0 0 0-.82.106l-2.182-2.182a1.56 1.56 0 0 0-2.2 0 1.54 1.54 0 0 0-.396.701 1.56 1.56 0 0 0-2.21-.01 1.55 1.55 0 0 0-.416.753c-.624-.624-1.649-.624-2.237-.037a1.557 1.557 0 0 0 0 2.2c-.239.1-.501.238-.715.453a1.56 1.56 0 0 0 0 2.2l.516.515a1.556 1.556 0 0 0-.753 2.615L7.01 19c1.32 1.319 2.909 2.189 4.475 2.449q.482.08.971.08c.85 0 1.653-.198 2.393-.579.231.033.46.054.686.054 1.266 0 2.457-.52 3.505-1.567 2.763-2.763 2.552-5.734 1.439-7.586z" clip-rule="evenodd"></path></svg></div></div></div></a></span></div><div class="pw-multi-vote-count l li lj lk ll lm ln lo"><p class="bf b dv z du"><span class="lp">--</span></p></div></div></span><span class="l h g f rt ru"><div class="ab q ku kv"><div class="pw-multi-vote-icon fj kw kx ky kz"><span><a class="af ag ah ai aj ak al am an ao ap aq ar as at" data-testid="footerClapButton" rel="noopener follow" href="/m/signin?actionUrl=https%3A%2F%2Fmedium.com%2F_%2Fvote%2Fp%2F604659d2117d&operation=register&redirect=https%3A%2F%2Fmedium.com%2F%40solidity101%2F100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d&user=Solidity+Academy&userId=3d2cee6b95e4&source=---footer_actions--604659d2117d---------------------clap_footer-----------"><div><div class="bm" aria-hidden="false"><div class="la ao lb lc ld le am lf lg lh kz"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" aria-label="clap"><path fill-rule="evenodd" d="M11.37.828 12 3.282l.63-2.454zM13.916 3.953l1.523-2.112-1.184-.39zM8.589 1.84l1.522 2.112-.337-2.501zM18.523 18.92c-.86.86-1.75 1.246-2.62 1.33a6 6 0 0 0 .407-.372c2.388-2.389 2.86-4.951 1.399-7.623l-.912-1.603-.79-1.672c-.26-.56-.194-.98.203-1.288a.7.7 0 0 1 .546-.132c.283.046.546.231.728.5l2.363 4.157c.976 1.624 1.141 4.237-1.324 6.702m-10.999-.438L3.37 14.328a.828.828 0 0 1 .585-1.408.83.83 0 0 1 .585.242l2.158 2.157a.365.365 0 0 0 .516-.516l-2.157-2.158-1.449-1.449a.826.826 0 0 1 1.167-1.17l3.438 3.44a.363.363 0 0 0 .516 0 .364.364 0 0 0 0-.516L5.293 9.513l-.97-.97a.826.826 0 0 1 0-1.166.84.84 0 0 1 1.167 0l.97.968 3.437 3.436a.36.36 0 0 0 .517 0 .366.366 0 0 0 0-.516L6.977 7.83a.82.82 0 0 1-.241-.584.82.82 0 0 1 .824-.826c.219 0 .43.087.584.242l5.787 5.787a.366.366 0 0 0 .587-.415l-1.117-2.363c-.26-.56-.194-.98.204-1.289a.7.7 0 0 1 .546-.132c.283.046.545.232.727.501l2.193 3.86c1.302 2.38.883 4.59-1.277 6.75-1.156 1.156-2.602 1.627-4.19 1.367-1.418-.236-2.866-1.033-4.079-2.246M10.75 5.971l2.12 2.12c-.41.502-.465 1.17-.128 1.89l.22.465-3.523-3.523a.8.8 0 0 1-.097-.368c0-.22.086-.428.241-.584a.847.847 0 0 1 1.167 0m7.355 1.705c-.31-.461-.746-.758-1.23-.837a1.44 1.44 0 0 0-1.11.275c-.312.24-.505.543-.59.881a1.74 1.74 0 0 0-.906-.465 1.47 1.47 0 0 0-.82.106l-2.182-2.182a1.56 1.56 0 0 0-2.2 0 1.54 1.54 0 0 0-.396.701 1.56 1.56 0 0 0-2.21-.01 1.55 1.55 0 0 0-.416.753c-.624-.624-1.649-.624-2.237-.037a1.557 1.557 0 0 0 0 2.2c-.239.1-.501.238-.715.453a1.56 1.56 0 0 0 0 2.2l.516.515a1.556 1.556 0 0 0-.753 2.615L7.01 19c1.32 1.319 2.909 2.189 4.475 2.449q.482.08.971.08c.85 0 1.653-.198 2.393-.579.231.033.46.054.686.054 1.266 0 2.457-.52 3.505-1.567 2.763-2.763 2.552-5.734 1.439-7.586z" clip-rule="evenodd"></path></svg></div></div></div></a></span></div><div class="pw-multi-vote-count l li lj lk ll lm ln lo"><p class="bf b dv z du"><span class="lp">--</span></p></div></div></span></div><div class="bq ab"><div><div class="bm" aria-hidden="false"><button class="ao la ls lt ab q fk lu lv" aria-label="responses"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" class="lr"><path d="M18.006 16.803c1.533-1.456 2.234-3.325 2.234-5.321C20.24 7.357 16.709 4 12.191 4S4 7.357 4 11.482c0 4.126 3.674 7.482 8.191 7.482.817 0 1.622-.111 2.393-.327.231.2.48.391.744.559 1.06.693 2.203 1.044 3.399 1.044.224-.008.4-.112.486-.287a.49.49 0 0 0-.042-.518c-.495-.67-.845-1.364-1.04-2.057a4 4 0 0 1-.125-.598zm-3.122 1.055-.067-.223-.315.096a8 8 0 0 1-2.311.338c-4.023 0-7.292-2.955-7.292-6.587 0-3.633 3.269-6.588 7.292-6.588 4.014 0 7.112 2.958 7.112 6.593 0 1.794-.608 3.469-2.027 4.72l-.195.168v.255c0 .056 0 .151.016.295.025.231.081.478.154.733.154.558.398 1.117.722 1.659a5.3 5.3 0 0 1-2.165-.845c-.276-.176-.714-.383-.941-.59z"></path></svg><p class="bf b bg z du"><span class="pw-responses-count lq lr">1</span></p></button></div></div></div></div><div class="ab q"><div class="rv l ji"><div><div class="bm" aria-hidden="false"><span><a class="af ag ah ai aj ak al am an ao ap aq ar as at" data-testid="footerBookmarkButton" rel="noopener follow" href="/m/signin?actionUrl=https%3A%2F%2Fmedium.com%2F_%2Fbookmark%2Fp%2F604659d2117d&operation=register&redirect=https%3A%2F%2Fmedium.com%2F%40solidity101%2F100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d&source=---footer_actions--604659d2117d---------------------bookmark_footer-----------"><svg xmlns="http://www.w3.org/2000/svg" width="25" height="25" fill="none" viewBox="0 0 25 25" class="du lx" aria-label="Add to list bookmark button"><path fill="currentColor" d="M18 2.5a.5.5 0 0 1 1 0V5h2.5a.5.5 0 0 1 0 1H19v2.5a.5.5 0 1 1-1 0V6h-2.5a.5.5 0 0 1 0-1H18zM7 7a1 1 0 0 1 1-1h3.5a.5.5 0 0 0 0-1H8a2 2 0 0 0-2 2v14a.5.5 0 0 0 .805.396L12.5 17l5.695 4.396A.5.5 0 0 0 19 21v-8.5a.5.5 0 0 0-1 0v7.485l-5.195-4.012a.5.5 0 0 0-.61 0L7 19.985z"></path></svg></a></span></div></div></div><div class="rv l ji"><div class="bm" aria-hidden="false" aria-describedby="postFooterSocialMenu" aria-labelledby="postFooterSocialMenu"><div><div class="bm" aria-hidden="false"><button aria-controls="postFooterSocialMenu" aria-expanded="false" aria-label="Share Post" data-testid="footerSocialShareButton" class="af fk ah ai aj ak al mf an ao ap ex mg mh lv mi"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24"><path fill="currentColor" fill-rule="evenodd" d="M15.218 4.931a.4.4 0 0 1-.118.132l.012.006a.45.45 0 0 1-.292.074.5.5 0 0 1-.3-.13l-2.02-2.02v7.07c0 .28-.23.5-.5.5s-.5-.22-.5-.5v-7.04l-2 2a.45.45 0 0 1-.57.04h-.02a.4.4 0 0 1-.16-.3.4.4 0 0 1 .1-.32l2.8-2.8a.5.5 0 0 1 .7 0l2.8 2.79a.42.42 0 0 1 .068.498m-.106.138.008.004v-.01zM16 7.063h1.5a2 2 0 0 1 2 2v10a2 2 0 0 1-2 2h-11c-1.1 0-2-.9-2-2v-10a2 2 0 0 1 2-2H8a.5.5 0 0 1 .35.15.5.5 0 0 1 .15.35.5.5 0 0 1-.15.35.5.5 0 0 1-.35.15H6.4c-.5 0-.9.4-.9.9v10.2a.9.9 0 0 0 .9.9h11.2c.5 0 .9-.4.9-.9v-10.2c0-.5-.4-.9-.9-.9H16a.5.5 0 0 1 0-1" clip-rule="evenodd"></path></svg></button></div></div></div></div></div></div></div></div></div></footer><div class="rw rx ry rz sa l"><div class="ab cb"><div class="ci bh ga gb gc gd"><div class="sb bh r sc"></div><div class="ab sd se sf jk jj"><div class="sg sh si sj sk sl sm sn so sp ab cp"><div class="h k"><a tabindex="0" rel="noopener follow" href="/@solidity101?source=post_page---post_author_info--604659d2117d--------------------------------"><div class="l fj"><img alt="Solidity Academy" class="l fd by ip io cx" src="https://miro.medium.com/v2/resize:fill:96:96/0*VmhSfdMOmfv_PwWU" width="48" height="48" loading="lazy"/><div class="fr by l ip io fs n ay sq"></div></div></a></div><div class="j i d"><a tabindex="0" rel="noopener follow" href="/@solidity101?source=post_page---post_author_info--604659d2117d--------------------------------"><div class="l fj"><img alt="Solidity Academy" class="l fd by sr ss cx" src="https://miro.medium.com/v2/resize:fill:128:128/0*VmhSfdMOmfv_PwWU" width="64" height="64" loading="lazy"/><div class="fr by l sr ss fs n ay sq"></div></div></a></div><div class="j i d st ji"><div class="ab"><span><button class="bf b bg z su rc sv sw sx sy sz ev ew ta tb tc fa fb fc fd bm fe ff">Follow</button></span></div></div></div><div class="ab co td"><div class="te tf tg th ti l"><a class="af ag ah aj ak al am an ao ap aq ar as at ab q" rel="noopener follow" href="/@solidity101?source=post_page---post_author_info--604659d2117d--------------------------------"><h2 class="pw-author-name bf tk tl tm tn to tp tq ng ps pt nk pv pw no py pz bk"><span class="go tj">Written by <!-- -->Solidity Academy</span></h2><div class="tr ab"><div><div class="ab" aria-hidden="false"><div class="ab jb"><div class="ab"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="none" viewBox="0 0 16 16"><path fill="#437AFF" d="M15.163 8c0 .65-.459 1.144-.863 1.575-.232.244-.471.5-.563.719s-.086.543-.092.875c-.006.606-.018 1.3-.49 1.781-.47.481-1.15.494-1.744.5-.324.006-.655.013-.857.094s-.465.337-.704.575c-.422.412-.906.881-1.542.881-.637 0-1.12-.469-1.543-.881-.239-.238-.49-.482-.704-.575-.214-.094-.532-.088-.857-.094-.593-.006-1.273-.019-1.744-.5s-.484-1.175-.49-1.781c-.006-.332-.012-.669-.092-.875-.08-.207-.33-.475-.563-.719-.404-.431-.863-.925-.863-1.575s.46-1.144.863-1.575c.233-.244.472-.5.563-.719.092-.219.086-.544.092-.875.006-.606.019-1.3.49-1.781s1.15-.494 1.744-.5c.325-.006.655-.012.857-.094.202-.081.465-.337.704-.575C7.188 1.47 7.671 1 8.308 1s1.12.469 1.542.881c.239.238.49.481.704.575s.533.088.857.094c.594.006 1.273.019 1.745.5.47.481.483 1.175.49 1.781.005.331.011.669.091.875s.33.475.563.719c.404.431.863.925.863 1.575"></path><path fill="#fff" d="M7.328 10.5c.195 0 .381.08.519.22.137.141.215.331.216.53 0 .066.026.13.072.177a.24.24 0 0 0 .346 0 .25.25 0 0 0 .071-.177c.001-.199.079-.389.216-.53a.73.73 0 0 1 .519-.22h1.959c.13 0 .254-.053.346-.146a.5.5 0 0 0 .143-.354V6a.5.5 0 0 0-.143-.354.49.49 0 0 0-.346-.146h-1.47c-.324 0-.635.132-.865.366-.23.235-.359.552-.359.884v2.5c0 .066-.025.13-.071.177a.24.24 0 0 1-.346 0 .25.25 0 0 1-.072-.177v-2.5c0-.332-.13-.65-.359-.884A1.21 1.21 0 0 0 6.84 5.5h-1.47a.49.49 0 0 0-.346.146A.5.5 0 0 0 4.88 6v4c0 .133.051.26.143.354a.49.49 0 0 0 .347.146z"></path></svg></div></div></div></div></div></a><div class="ra ab in"><div class="l ji"><span class="pw-follower-count bf b bg z du"><a class="af ag ah ai aj ak al am an ao ap aq ar iy" rel="noopener follow" href="/@solidity101/followers?source=post_page---post_author_info--604659d2117d--------------------------------">3.2K Followers</a></span></div><div class="bf b bg z du ab ts"><span class="jc l" aria-hidden="true"><span class="bf b bg z du">·</span></span><a class="af ag ah ai aj ak al am an ao ap aq ar iy" rel="noopener follow" href="/@solidity101/following?source=post_page---post_author_info--604659d2117d--------------------------------">66 Following</a></div></div><div class="tt l"><p class="bf b bg z bk">Learn smart contract development and blockchain integration in depth. <a class="af ag ah ai aj ak al am an ao ap aq ar qm gp" href="https://heylink.me/solidity/" rel="noopener ugc nofollow">https://heylink.me/solidity/</a> * For Collaborations <a class="af ag ah ai aj ak al am an ao ap aq ar qm gp" href="mailto:solidity101@gmail.com" rel="noopener ugc nofollow">solidity101@gmail.com</a></p></div></div></div><div class="h k"><div class="ab"><span><button class="bf b bg z su rc sv sw sx sy sz ev ew ta tb tc fa fb fc fd bm fe ff">Follow</button></span></div></div></div></div></div></div><div class="tu tv tw tx ty l"><div class="sb bh r tu tv tz ua ub"></div><div class="ab cb"><div class="ci bh ga gb gc gd"><div class="ab q cp"><h2 class="bf tk oo hv oq or hy ot ou ow ox oy pa pb pc pe pf bk">Responses (<!-- -->1<!-- -->)</h2><div class="ab uc"><div><div class="bm" aria-hidden="false"><a class="ud ue" href="https://policy.medium.com/medium-rules-30e5502c4eb4?source=post_page---post_responses--604659d2117d--------------------------------" rel="noopener follow" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" width="25" height="25" viewBox="0 0 25 25"><path fill-rule="evenodd" d="M11.987 5.036a.754.754 0 0 1 .914-.01c.972.721 1.767 1.218 2.6 1.543.828.322 1.719.485 2.887.505a.755.755 0 0 1 .741.757c-.018 3.623-.43 6.256-1.449 8.21-1.034 1.984-2.662 3.209-4.966 4.083a.75.75 0 0 1-.537-.003c-2.243-.874-3.858-2.095-4.897-4.074-1.024-1.951-1.457-4.583-1.476-8.216a.755.755 0 0 1 .741-.757c1.195-.02 2.1-.182 2.923-.503.827-.322 1.6-.815 2.519-1.535m.468.903c-.897.69-1.717 1.21-2.623 1.564-.898.35-1.856.527-3.026.565.037 3.45.469 5.817 1.36 7.515.884 1.684 2.25 2.762 4.284 3.571 2.092-.81 3.465-1.89 4.344-3.575.886-1.698 1.299-4.065 1.334-7.512-1.149-.039-2.091-.217-2.99-.567-.906-.353-1.745-.873-2.683-1.561m-.009 9.155a2.672 2.672 0 1 0 0-5.344 2.672 2.672 0 0 0 0 5.344m0 1a3.672 3.672 0 1 0 0-7.344 3.672 3.672 0 0 0 0 7.344m-1.813-3.777.525-.526.916.917 1.623-1.625.526.526-2.149 2.152z" clip-rule="evenodd"></path></svg></a></div></div></div></div><div class="uf l"><button class="bf b bg z bk rc ug uh ui lx lu sz ev ew ex uj uk ul fa um un uo up uq fb fc fd bm fe ff">See all responses</button></div></div></div></div><div class="ur us ut uu uv l bx"><div class="h k j"><div class="sb bh uw ux"></div><div class="ab cb"><div class="ci bh ga gb gc gd"><div class="uy ab ku jl"><div class="uz va l"><a class="af ag ah ai aj ak al am an ao ap aq ar as at" href="https://help.medium.com/hc/en-us?source=post_page-----604659d2117d--------------------------------" rel="noopener follow"><p class="bf b dv z du">Help</p></a></div><div class="uz va l"><a class="af ag ah ai aj ak al am an ao ap aq ar as at" href="https://medium.statuspage.io/?source=post_page-----604659d2117d--------------------------------" rel="noopener follow"><p class="bf b dv z du">Status</p></a></div><div class="uz va l"><a class="af ag ah ai aj ak al am an ao ap aq ar as at" rel="noopener follow" href="/about?autoplay=1&source=post_page-----604659d2117d--------------------------------"><p class="bf b dv z du">About</p></a></div><div class="uz va l"><a class="af ag ah ai aj ak al am an ao ap aq ar as at" rel="noopener follow" href="/jobs-at-medium/work-at-medium-959d1a85284e?source=post_page-----604659d2117d--------------------------------"><p class="bf b dv z du">Careers</p></a></div><div class="uz va l"><a class="af ag ah ai aj ak al am an ao ap aq ar as at" href="pressinquiries@medium.com?source=post_page-----604659d2117d--------------------------------" rel="noopener follow"><p class="bf b dv z du">Press</p></a></div><div class="uz va l"><a class="af ag ah ai aj ak al am an ao ap aq ar as at" href="https://blog.medium.com/?source=post_page-----604659d2117d--------------------------------" rel="noopener follow"><p class="bf b dv z du">Blog</p></a></div><div class="uz va l"><a class="af ag ah ai aj ak al am an ao ap aq ar as at" href="https://policy.medium.com/medium-privacy-policy-f03bf92035c9?source=post_page-----604659d2117d--------------------------------" rel="noopener follow"><p class="bf b dv z du">Privacy</p></a></div><div class="uz va l"><a class="af ag ah ai aj ak al am an ao ap aq ar as at" href="https://policy.medium.com/medium-terms-of-service-9db0094a1e0f?source=post_page-----604659d2117d--------------------------------" rel="noopener follow"><p class="bf b dv z du">Terms</p></a></div><div class="uz va l"><a class="af ag ah ai aj ak al am an ao ap aq ar as at" href="https://speechify.com/medium?source=post_page-----604659d2117d--------------------------------" rel="noopener follow"><p class="bf b dv z du">Text to speech</p></a></div><div class="uz l"><a class="af ag ah ai aj ak al am an ao ap aq ar as at" rel="noopener follow" href="/business?source=post_page-----604659d2117d--------------------------------"><p class="bf b dv z du">Teams</p></a></div></div></div></div></div></div></div></div></div></div><script>window.__BUILD_ID__="main-20241122-185319-7bcdc08639"</script><script>window.__GRAPHQL_URI__ = "https://medium.com/_/graphql"</script><script>window.__PRELOADED_STATE__ = {"algolia":{"queries":{}},"cache":{"experimentGroupSet":true,"reason":"","group":"enabled","tags":["group-edgeCachePosts","post-604659d2117d","user-3d2cee6b95e4"],"serverVariantState":"44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a","middlewareEnabled":true,"cacheStatus":"DYNAMIC","shouldUseCache":true,"vary":[],"lohpSummerUpsellEnabled":false,"publicationHierarchyEnabledWeb":false,"postBottomResponsesEnabled":false},"client":{"hydrated":false,"isUs":false,"isNativeMedium":false,"isSafariMobile":false,"isSafari":false,"isFirefox":false,"routingEntity":{"type":"DEFAULT","explicit":false},"viewerIsBot":false},"debug":{"requestId":"364674ca-9324-43da-956e-59e7d0bf514b","hybridDevServices":[],"originalSpanCarrier":{"traceparent":"00-392cc7deaf5600fad70a9c685bfd2638-64b14183bcfa9b42-01"}},"multiVote":{"clapsPerPost":{}},"navigation":{"branch":{"show":null,"hasRendered":null,"blockedByCTA":false},"hideGoogleOneTap":false,"hasRenderedAlternateUserBanner":null,"currentLocation":"https:\u002F\u002Fmedium.com\u002F@solidity101\u002F100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d","host":"medium.com","hostname":"medium.com","referrer":"","hasSetReferrer":false,"susiModal":{"step":null,"operation":"register"},"postRead":false,"partnerProgram":{"selectedCountryCode":null},"queryString":"","currentHash":""},"config":{"nodeEnv":"production","version":"main-20241122-185319-7bcdc08639","target":"production","productName":"Medium","publicUrl":"https:\u002F\u002Fcdn-client.medium.com\u002Flite","authDomain":"medium.com","authGoogleClientId":"216296035834-k1k6qe060s2tp2a2jam4ljdcms00sttg.apps.googleusercontent.com","favicon":"production","glyphUrl":"https:\u002F\u002Fglyph.medium.com","branchKey":"key_live_ofxXr2qTrrU9NqURK8ZwEhknBxiI6KBm","algolia":{"appId":"MQ57UUUQZ2","apiKeySearch":"394474ced050e3911ae2249ecc774921","indexPrefix":"medium_","host":"-dsn.algolia.net"},"recaptchaKey":"6Lfc37IUAAAAAKGGtC6rLS13R1Hrw_BqADfS1LRk","recaptcha3Key":"6Lf8R9wUAAAAABMI_85Wb8melS7Zj6ziuf99Yot5","recaptchaEnterpriseKeyId":"6Le-uGgpAAAAAPprRaokM8AKthQ9KNGdoxaGUvVp","datadog":{"applicationId":"6702d87d-a7e0-42fe-bbcb-95b469547ea0","clientToken":"pub853ea8d17ad6821d9f8f11861d23dfed","rumToken":"pubf9cc52896502b9413b68ba36fc0c7162","context":{"deployment":{"target":"production","tag":"main-20241122-185319-7bcdc08639","commit":"7bcdc08639c179dc5172558201a3fd3abc1b5db6"}},"datacenter":"us"},"googleAnalyticsCode":"G-7JY7T788PK","googlePay":{"apiVersion":"2","apiVersionMinor":"0","merchantId":"BCR2DN6TV7EMTGBM","merchantName":"Medium","instanceMerchantId":"13685562959212738550"},"applePay":{"version":3},"signInWallCustomDomainCollectionIds":["3a8144eabfe3","336d898217ee","61061eb0c96b","138adf9c44c","819cc2aaeee0"],"mediumMastodonDomainName":"me.dm","mediumOwnedAndOperatedCollectionIds":["8a9336e5bb4","b7e45b22fec3","193b68bd4fba","8d6b8a439e32","54c98c43354d","3f6ecf56618","d944778ce714","92d2092dc598","ae2a65f35510","1285ba81cada","544c7006046e","fc8964313712","40187e704f1c","88d9857e584e","7b6769f2748b","bcc38c8f6edf","cef6983b292","cb8577c9149e","444d13b52878","713d7dbc99b0","ef8e90590e66","191186aaafa0","55760f21cdc5","9dc80918cc93","bdc4052bbdba","8ccfed20cbb2"],"tierOneDomains":["medium.com","thebolditalic.com","arcdigital.media","towardsdatascience.com","uxdesign.cc","codeburst.io","psiloveyou.xyz","writingcooperative.com","entrepreneurshandbook.co","prototypr.io","betterhumans.coach.me","theascent.pub"],"topicsToFollow":["d61cf867d93f","8a146bc21b28","1eca0103fff3","4d562ee63426","aef1078a3ef5","e15e46793f8d","6158eb913466","55f1c20aba7a","3d18b94f6858","4861fee224fd","63c6f1f93ee","1d98b3a9a871","decb52b64abf","ae5d4995e225","830cded25262"],"topicToTagMappings":{"accessibility":"accessibility","addiction":"addiction","android-development":"android-development","art":"art","artificial-intelligence":"artificial-intelligence","astrology":"astrology","basic-income":"basic-income","beauty":"beauty","biotech":"biotech","blockchain":"blockchain","books":"books","business":"business","cannabis":"cannabis","cities":"cities","climate-change":"climate-change","comics":"comics","coronavirus":"coronavirus","creativity":"creativity","cryptocurrency":"cryptocurrency","culture":"culture","cybersecurity":"cybersecurity","data-science":"data-science","design":"design","digital-life":"digital-life","disability":"disability","economy":"economy","education":"education","equality":"equality","family":"family","feminism":"feminism","fiction":"fiction","film":"film","fitness":"fitness","food":"food","freelancing":"freelancing","future":"future","gadgets":"gadgets","gaming":"gaming","gun-control":"gun-control","health":"health","history":"history","humor":"humor","immigration":"immigration","ios-development":"ios-development","javascript":"javascript","justice":"justice","language":"language","leadership":"leadership","lgbtqia":"lgbtqia","lifestyle":"lifestyle","machine-learning":"machine-learning","makers":"makers","marketing":"marketing","math":"math","media":"media","mental-health":"mental-health","mindfulness":"mindfulness","money":"money","music":"music","neuroscience":"neuroscience","nonfiction":"nonfiction","outdoors":"outdoors","parenting":"parenting","pets":"pets","philosophy":"philosophy","photography":"photography","podcasts":"podcast","poetry":"poetry","politics":"politics","privacy":"privacy","product-management":"product-management","productivity":"productivity","programming":"programming","psychedelics":"psychedelics","psychology":"psychology","race":"race","relationships":"relationships","religion":"religion","remote-work":"remote-work","san-francisco":"san-francisco","science":"science","self":"self","self-driving-cars":"self-driving-cars","sexuality":"sexuality","social-media":"social-media","society":"society","software-engineering":"software-engineering","space":"space","spirituality":"spirituality","sports":"sports","startups":"startup","style":"style","technology":"technology","transportation":"transportation","travel":"travel","true-crime":"true-crime","tv":"tv","ux":"ux","venture-capital":"venture-capital","visual-design":"visual-design","work":"work","world":"world","writing":"writing"},"defaultImages":{"avatar":{"imageId":"1*dmbNkD5D-u45r44go_cf0g.png","height":150,"width":150},"orgLogo":{"imageId":"7*V1_7XP4snlmqrc_0Njontw.png","height":110,"width":500},"postLogo":{"imageId":"bd978bb536350a710e8efb012513429cabdc4c28700604261aeda246d0f980b7","height":810,"width":1440},"postPreviewImage":{"imageId":"1*hn4v1tCaJy7cWMyb0bpNpQ.png","height":386,"width":579}},"collectionStructuredData":{"8d6b8a439e32":{"name":"Elemental","data":{"@type":"NewsMediaOrganization","ethicsPolicy":"https:\u002F\u002Fhelp.medium.com\u002Fhc\u002Fen-us\u002Farticles\u002F360043290473","logo":{"@type":"ImageObject","url":"https:\u002F\u002Fcdn-images-1.medium.com\u002Fmax\u002F980\u002F1*9ygdqoKprhwuTVKUM0DLPA@2x.png","width":980,"height":159}}},"3f6ecf56618":{"name":"Forge","data":{"@type":"NewsMediaOrganization","ethicsPolicy":"https:\u002F\u002Fhelp.medium.com\u002Fhc\u002Fen-us\u002Farticles\u002F360043290473","logo":{"@type":"ImageObject","url":"https:\u002F\u002Fcdn-images-1.medium.com\u002Fmax\u002F596\u002F1*uULpIlImcO5TDuBZ6lm7Lg@2x.png","width":596,"height":183}}},"ae2a65f35510":{"name":"GEN","data":{"@type":"NewsMediaOrganization","ethicsPolicy":"https:\u002F\u002Fhelp.medium.com\u002Fhc\u002Fen-us\u002Farticles\u002F360043290473","logo":{"@type":"ImageObject","url":"https:\u002F\u002Fmiro.medium.com\u002Fmax\u002F264\u002F1*RdVZMdvfV3YiZTw6mX7yWA.png","width":264,"height":140}}},"88d9857e584e":{"name":"LEVEL","data":{"@type":"NewsMediaOrganization","ethicsPolicy":"https:\u002F\u002Fhelp.medium.com\u002Fhc\u002Fen-us\u002Farticles\u002F360043290473","logo":{"@type":"ImageObject","url":"https:\u002F\u002Fmiro.medium.com\u002Fmax\u002F540\u002F1*JqYMhNX6KNNb2UlqGqO2WQ.png","width":540,"height":108}}},"7b6769f2748b":{"name":"Marker","data":{"@type":"NewsMediaOrganization","ethicsPolicy":"https:\u002F\u002Fhelp.medium.com\u002Fhc\u002Fen-us\u002Farticles\u002F360043290473","logo":{"@type":"ImageObject","url":"https:\u002F\u002Fcdn-images-1.medium.com\u002Fmax\u002F383\u002F1*haCUs0wF6TgOOvfoY-jEoQ@2x.png","width":383,"height":92}}},"444d13b52878":{"name":"OneZero","data":{"@type":"NewsMediaOrganization","ethicsPolicy":"https:\u002F\u002Fhelp.medium.com\u002Fhc\u002Fen-us\u002Farticles\u002F360043290473","logo":{"@type":"ImageObject","url":"https:\u002F\u002Fmiro.medium.com\u002Fmax\u002F540\u002F1*cw32fIqCbRWzwJaoQw6BUg.png","width":540,"height":123}}},"8ccfed20cbb2":{"name":"Zora","data":{"@type":"NewsMediaOrganization","ethicsPolicy":"https:\u002F\u002Fhelp.medium.com\u002Fhc\u002Fen-us\u002Farticles\u002F360043290473","logo":{"@type":"ImageObject","url":"https:\u002F\u002Fmiro.medium.com\u002Fmax\u002F540\u002F1*tZUQqRcCCZDXjjiZ4bDvgQ.png","width":540,"height":106}}}},"embeddedPostIds":{"coronavirus":"cd3010f9d81f"},"sharedCdcMessaging":{"COVID_APPLICABLE_TAG_SLUGS":[],"COVID_APPLICABLE_TOPIC_NAMES":[],"COVID_APPLICABLE_TOPIC_NAMES_FOR_TOPIC_PAGE":[],"COVID_MESSAGES":{"tierA":{"text":"For more information on the novel coronavirus and Covid-19, visit cdc.gov.","markups":[{"start":66,"end":73,"href":"https:\u002F\u002Fwww.cdc.gov\u002Fcoronavirus\u002F2019-nCoV"}]},"tierB":{"text":"Anyone can publish on Medium per our Policies, but we don’t fact-check every story. For more info about the coronavirus, see cdc.gov.","markups":[{"start":37,"end":45,"href":"https:\u002F\u002Fhelp.medium.com\u002Fhc\u002Fen-us\u002Fcategories\u002F201931128-Policies-Safety"},{"start":125,"end":132,"href":"https:\u002F\u002Fwww.cdc.gov\u002Fcoronavirus\u002F2019-nCoV"}]},"paywall":{"text":"This article has been made free for everyone, thanks to Medium Members. For more information on the novel coronavirus and Covid-19, visit cdc.gov.","markups":[{"start":56,"end":70,"href":"https:\u002F\u002Fmedium.com\u002Fmembership"},{"start":138,"end":145,"href":"https:\u002F\u002Fwww.cdc.gov\u002Fcoronavirus\u002F2019-nCoV"}]},"unbound":{"text":"This article is free for everyone, thanks to Medium Members. For more information on the novel coronavirus and Covid-19, visit cdc.gov.","markups":[{"start":45,"end":59,"href":"https:\u002F\u002Fmedium.com\u002Fmembership"},{"start":127,"end":134,"href":"https:\u002F\u002Fwww.cdc.gov\u002Fcoronavirus\u002F2019-nCoV"}]}},"COVID_BANNER_POST_ID_OVERRIDE_WHITELIST":["3b31a67bff4a"]},"sharedVoteMessaging":{"TAGS":["politics","election-2020","government","us-politics","election","2020-presidential-race","trump","donald-trump","democrats","republicans","congress","republican-party","democratic-party","biden","joe-biden","maga"],"TOPICS":["politics","election"],"MESSAGE":{"text":"Find out more about the U.S. election results here.","markups":[{"start":46,"end":50,"href":"https:\u002F\u002Fcookpolitical.com\u002F2020-national-popular-vote-tracker"}]},"EXCLUDE_POSTS":["397ef29e3ca5"]},"embedPostRules":[],"recircOptions":{"v1":{"limit":3},"v2":{"limit":8}},"braintreeClientKey":"production_zjkj96jm_m56f8fqpf7ngnrd4","braintree":{"enabled":true,"merchantId":"m56f8fqpf7ngnrd4","merchantAccountId":{"usd":"AMediumCorporation_instant","eur":"amediumcorporation_EUR","cad":"amediumcorporation_CAD"},"publicKey":"ds2nn34bg2z7j5gd","braintreeEnvironment":"production","dashboardUrl":"https:\u002F\u002Fwww.braintreegateway.com\u002Fmerchants","gracePeriodDurationInDays":14,"mediumMembershipPlanId":{"monthly":"ce105f8c57a3","monthlyV2":"e8a5e126-792b-4ee6-8fba-d574c1b02fc5","monthlyWithTrial":"d5ee3dbe3db8","monthlyPremium":"fa741a9b47a2","yearly":"a40ad4a43185","yearlyV2":"3815d7d6-b8ca-4224-9b8c-182f9047866e","yearlyStaff":"d74fb811198a","yearlyWithTrial":"b3bc7350e5c7","yearlyPremium":"e21bd2c12166","monthlyOneYearFree":"e6c0637a-2bad-4171-ab4f-3c268633d83c","monthly25PercentOffFirstYear":"235ecc62-0cdb-49ae-9378-726cd21c504b","monthly20PercentOffFirstYear":"ba518864-9c13-4a99-91ca-411bf0cac756","monthly15PercentOffFirstYear":"594c029b-9f89-43d5-88f8-8173af4e070e","monthly10PercentOffFirstYear":"c6c7bc9a-40f2-4b51-8126-e28511d5bdb0","monthlyForStudents":"629ebe51-da7d-41fd-8293-34cd2f2030a8","yearlyOneYearFree":"78ba7be9-0d9f-4ece-aa3e-b54b826f2bf1","yearly25PercentOffFirstYear":"2dbb010d-bb8f-4eeb-ad5c-a08509f42d34","yearly20PercentOffFirstYear":"47565488-435b-47f8-bf93-40d5fbe0ebc8","yearly15PercentOffFirstYear":"8259809b-0881-47d9-acf7-6c001c7f720f","yearly10PercentOffFirstYear":"9dd694fb-96e1-472c-8d9e-3c868d5c1506","yearlyForStudents":"e29345ef-ab1c-4234-95c5-70e50fe6bc23","monthlyCad":"p52orjkaceei","yearlyCad":"h4q9g2up9ktt"},"braintreeDiscountId":{"oneMonthFree":"MONTHS_FREE_01","threeMonthsFree":"MONTHS_FREE_03","sixMonthsFree":"MONTHS_FREE_06","fiftyPercentOffOneYear":"FIFTY_PERCENT_OFF_ONE_YEAR"},"3DSecureVersion":"2","defaultCurrency":"usd","providerPlanIdCurrency":{"4ycw":"usd","rz3b":"usd","3kqm":"usd","jzw6":"usd","c2q2":"usd","nnsw":"usd","q8qw":"usd","d9y6":"usd","fx7w":"cad","nwf2":"cad"}},"paypalClientId":"AXj1G4fotC2GE8KzWX9mSxCH1wmPE3nJglf4Z2ig_amnhvlMVX87otaq58niAg9iuLktVNF_1WCMnN7v","paypal":{"host":"https:\u002F\u002Fapi.paypal.com:443","clientMode":"production","serverMode":"live","webhookId":"4G466076A0294510S","monthlyPlan":{"planId":"P-9WR0658853113943TMU5FDQA","name":"Medium Membership (Monthly) with setup fee","description":"Unlimited access to the best and brightest stories on Medium. Membership billed monthly."},"yearlyPlan":{"planId":"P-7N8963881P8875835MU5JOPQ","name":"Medium Membership (Annual) with setup fee","description":"Unlimited access to the best and brightest stories on Medium. Membership billed annually."},"oneYearGift":{"name":"Medium Membership (1 Year, Digital Gift Code)","description":"Unlimited access to the best and brightest stories on Medium. Gift codes can be redeemed at medium.com\u002Fredeem.","price":"50.00","currency":"USD","sku":"membership-gift-1-yr"},"oldMonthlyPlan":{"planId":"P-96U02458LM656772MJZUVH2Y","name":"Medium Membership (Monthly)","description":"Unlimited access to the best and brightest stories on Medium. Membership billed monthly."},"oldYearlyPlan":{"planId":"P-59P80963JF186412JJZU3SMI","name":"Medium Membership (Annual)","description":"Unlimited access to the best and brightest stories on Medium. Membership billed annually."},"monthlyPlanWithTrial":{"planId":"P-66C21969LR178604GJPVKUKY","name":"Medium Membership (Monthly) with setup fee","description":"Unlimited access to the best and brightest stories on Medium. Membership billed monthly."},"yearlyPlanWithTrial":{"planId":"P-6XW32684EX226940VKCT2MFA","name":"Medium Membership (Annual) with setup fee","description":"Unlimited access to the best and brightest stories on Medium. Membership billed annually."},"oldMonthlyPlanNoSetupFee":{"planId":"P-4N046520HR188054PCJC7LJI","name":"Medium Membership (Monthly)","description":"Unlimited access to the best and brightest stories on Medium. Membership billed monthly."},"oldYearlyPlanNoSetupFee":{"planId":"P-7A4913502Y5181304CJEJMXQ","name":"Medium Membership (Annual)","description":"Unlimited access to the best and brightest stories on Medium. Membership billed annually."},"sdkUrl":"https:\u002F\u002Fwww.paypal.com\u002Fsdk\u002Fjs"},"stripePublishableKey":"pk_live_7FReX44VnNIInZwrIIx6ghjl","log":{"json":true,"level":"info"},"imageUploadMaxSizeMb":25,"staffPicks":{"title":"Staff Picks","catalogId":"c7bc6e1ee00f"}},"session":{"xsrf":""}}</script><script>window.__APOLLO_STATE__ = {"ROOT_QUERY":{"__typename":"Query","viewer":null,"collectionByDomainOrSlug({\"domainOrSlug\":\"medium.com\"})":null,"postResult({\"id\":\"604659d2117d\"})":{"__ref":"Post:604659d2117d"}},"MastodonAccount:solidity101@me.dm":{"__typename":"MastodonAccount","domain":"me.dm","username":"solidity101","id":"solidity101@me.dm"},"LinkedAccounts:3d2cee6b95e4":{"__typename":"LinkedAccounts","mastodon":{"__ref":"MastodonAccount:solidity101@me.dm"},"id":"3d2cee6b95e4"},"UserViewerEdge:userId:3d2cee6b95e4-viewerId:lo_22884d3a3b7d":{"__typename":"UserViewerEdge","id":"userId:3d2cee6b95e4-viewerId:lo_22884d3a3b7d","isFollowing":false,"isUser":false,"isMuting":false},"NewsletterV3:b7eb778c046d":{"__typename":"NewsletterV3","id":"b7eb778c046d","type":"NEWSLETTER_TYPE_AUTHOR","slug":"3d2cee6b95e4","name":"3d2cee6b95e4","collection":null,"user":{"__ref":"User:3d2cee6b95e4"}},"User:3d2cee6b95e4":{"__typename":"User","id":"3d2cee6b95e4","name":"Solidity Academy","username":"solidity101","newsletterV3":{"__ref":"NewsletterV3:b7eb778c046d"},"linkedAccounts":{"__ref":"LinkedAccounts:3d2cee6b95e4"},"isSuspended":false,"imageId":"0*VmhSfdMOmfv_PwWU","mediumMemberAt":0,"verifications":{"__typename":"VerifiedInfo","isBookAuthor":true},"socialStats":{"__typename":"SocialStats","followerCount":3203,"followingCount":43,"collectionFollowingCount":23},"customDomainState":null,"hasSubdomain":false,"bio":"Learn smart contract development and blockchain integration in depth. https:\u002F\u002Fheylink.me\u002Fsolidity\u002F * For Collaborations solidity101@gmail.com","isPartnerProgramEnrolled":true,"viewerEdge":{"__ref":"UserViewerEdge:userId:3d2cee6b95e4-viewerId:lo_22884d3a3b7d"},"viewerIsUser":false,"postSubscribeMembershipUpsellShownAt":0,"membership":null,"allowNotes":true,"twitterScreenName":"solidity101"},"Paragraph:70aa14907c8b_0":{"__typename":"Paragraph","id":"70aa14907c8b_0","name":"eb96","type":"H3","href":null,"layout":null,"metadata":null,"text":"#100DaysOfSolidity #057 🔥 Supercharge Your Smart Contract Deployments with Proxy Pattern! 🔥","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_1":{"__typename":"Paragraph","id":"70aa14907c8b_1","name":"000a","type":"H4","href":null,"layout":null,"metadata":null,"text":"#100DaysOfSolidity 057 : “Deploy Any Contract”","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_2":{"__typename":"Paragraph","id":"70aa14907c8b_2","name":"6768","type":"P","href":null,"layout":null,"metadata":null,"text":"Are you tired of manually deploying your Solidity contracts every time you make updates or want to try out different implementations? 😫 Do you wish there was a way to deploy any contract effortlessly without the hassle of redeploying the entire code? 🤔 Well, you’re in luck! In this article, we’ll dive into the powerful Proxy pattern and show you how to deploy any contract with just a few lines of code! 🚀","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"ImageMetadata:1*v0G9bSzt9p5ovOkXkJsnPw.png":{"__typename":"ImageMetadata","id":"1*v0G9bSzt9p5ovOkXkJsnPw.png","originalHeight":720,"originalWidth":1280,"focusPercentX":null,"focusPercentY":null,"alt":null},"Paragraph:70aa14907c8b_3":{"__typename":"Paragraph","id":"70aa14907c8b_3","name":"e8af","type":"IMG","href":null,"layout":"INSET_CENTER","metadata":{"__ref":"ImageMetadata:1*v0G9bSzt9p5ovOkXkJsnPw.png"},"text":"#100DaysOfSolidity #057 🔥 Supercharge Your Smart Contract Deployments with Proxy Pattern! 🔥","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_4":{"__typename":"Paragraph","id":"70aa14907c8b_4","name":"b137","type":"H3","href":null,"layout":null,"metadata":null,"text":"Introducing the Proxy Pattern 🎭","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_5":{"__typename":"Paragraph","id":"70aa14907c8b_5","name":"0fe7","type":"P","href":null,"layout":null,"metadata":null,"text":"The Proxy pattern is a design pattern commonly used in software engineering to provide an intermediary layer between a client and a target object. In the context of Ethereum smart contracts, the Proxy pattern enables us to deploy a single Proxy contract that can represent and interact with multiple other contracts, allowing for flexible and upgradeable deployments! 🔄","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_6":{"__typename":"Paragraph","id":"70aa14907c8b_6","name":"28b0","type":"H3","href":null,"layout":null,"metadata":null,"text":"Why Use the Proxy Pattern in Solidity? 🤷♂️","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_7":{"__typename":"Paragraph","id":"70aa14907c8b_7","name":"fdf5","type":"P","href":null,"layout":null,"metadata":null,"text":"The Proxy pattern in Solidity has several benefits that make it an attractive choice for deploying contracts:","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_8":{"__typename":"Paragraph","id":"70aa14907c8b_8","name":"27d2","type":"P","href":null,"layout":null,"metadata":null,"text":"1. Upgradeability: By separating the contract’s logic from its data, we can easily update the logic while preserving the data and storage. This is especially useful when we find bugs or want to add new features to our smart contract!","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":0,"end":19,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_9":{"__typename":"Paragraph","id":"70aa14907c8b_9","name":"29d6","type":"P","href":null,"layout":null,"metadata":null,"text":"2. Cost-Efficiency: The Proxy pattern allows us to avoid redeploying the entire contract when making updates, which can be expensive in terms of gas costs. Instead, we only need to deploy a new implementation contract and update the Proxy’s logic address.","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":0,"end":20,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_10":{"__typename":"Paragraph","id":"70aa14907c8b_10","name":"836c","type":"P","href":null,"layout":null,"metadata":null,"text":"3. Immutability of Address: Once the Proxy contract is deployed, its address remains unchanged, making it easier to interact with the contract in a decentralized application (DApp) or share the contract address with others.","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":0,"end":28,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_11":{"__typename":"Paragraph","id":"70aa14907c8b_11","name":"1f1e","type":"P","href":null,"layout":null,"metadata":null,"text":"4. Simplified Deployment Process: With the Proxy pattern, we can deploy new contract implementations without disrupting the main Proxy contract, resulting in a smoother deployment process.","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":0,"end":34,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_12":{"__typename":"Paragraph","id":"70aa14907c8b_12","name":"fcd2","type":"P","href":null,"layout":null,"metadata":null,"text":"Now that we understand the benefits, let’s dive into the implementation details! 💻","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_13":{"__typename":"Paragraph","id":"70aa14907c8b_13","name":"e7bb","type":"H3","href":null,"layout":null,"metadata":null,"text":"Deploy Any Contract Using Proxy 🔧","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_14":{"__typename":"Paragraph","id":"70aa14907c8b_14","name":"e39a","type":"P","href":null,"layout":null,"metadata":null,"text":"In this section, we’ll walk you through the steps to deploy any contract using the Proxy pattern. For the sake of demonstration, we’ll use a simple ERC20 token contract as the target contract, but keep in mind that you can apply the Proxy pattern to any contract you like! 🤩","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_15":{"__typename":"Paragraph","id":"70aa14907c8b_15","name":"255c","type":"H4","href":null,"layout":null,"metadata":null,"text":"Step 1: Prepare the Target Contract 🎯","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_16":{"__typename":"Paragraph","id":"70aa14907c8b_16","name":"d2cd","type":"P","href":null,"layout":null,"metadata":null,"text":"Before we create our Proxy contract, we need to have a target contract that we want to deploy using the Proxy. For this example, let’s assume we have a basic ERC20 token contract. Here’s a simplified version of it:","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_17":{"__typename":"Paragraph","id":"70aa14907c8b_17","name":"5dd1","type":"PRE","href":null,"layout":null,"metadata":null,"text":"\u002F\u002F Target contract - ERC20Token.sol\n\u002F\u002F SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\ncontract ERC20Token {\n string public name;\n string public symbol;\n uint8 public decimals;\n uint256 public totalSupply;\n mapping(address =\u003E uint256) public balanceOf;\n \n \u002F\u002F Constructor to initialize the ERC20 token\n constructor(string memory _name, string memory _symbol, uint8 _decimals, uint256 _initialSupply) {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n totalSupply = _initialSupply;\n balanceOf[msg.sender] = _initialSupply;\n }\n \n \u002F\u002F Other functions for transferring tokens, etc.\n \u002F\u002F …\n}","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":{"__typename":"CodeBlockMetadata","mode":"AUTO","lang":"typescript"},"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_18":{"__typename":"Paragraph","id":"70aa14907c8b_18","name":"0295","type":"H4","href":null,"layout":null,"metadata":null,"text":"Step 2: Create the Proxy Contract 📃","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_19":{"__typename":"Paragraph","id":"70aa14907c8b_19","name":"a68c","type":"P","href":null,"layout":null,"metadata":null,"text":"Now that we have our target ERC20 token contract, let’s create the Proxy contract. The Proxy contract will be responsible for routing function calls to the appropriate implementation contract. Here’s how the Proxy contract looks:","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_20":{"__typename":"Paragraph","id":"70aa14907c8b_20","name":"3b30","type":"PRE","href":null,"layout":null,"metadata":null,"text":"\u002F\u002F Proxy contract - Proxy.sol\n\u002F\u002F SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\ncontract Proxy {\n address public implementation;\nconstructor(address _implementation) {\n implementation = _implementation;\n }\nfallback() external payable {\n address _impl = implementation;\n assembly {\n calldatacopy(0, 0, calldatasize())\n let result := delegatecall(gas(), _impl, 0, calldatasize(), 0, 0)\n returndatacopy(0, 0, returndatasize())\n switch result\n case 0 { revert(0, returndatasize()) }\n default { return(0, returndatasize()) }\n }\n }\n}","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":{"__typename":"CodeBlockMetadata","mode":"AUTO","lang":"typescript"},"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_21":{"__typename":"Paragraph","id":"70aa14907c8b_21","name":"89aa","type":"P","href":null,"layout":null,"metadata":null,"text":"In the Proxy contract, we store the address of the current implementation contract in the `implementation` variable. The fallback function is a crucial part of the Proxy pattern; it is executed whenever someone calls the Proxy contract with a function that does not exist in the Proxy itself. The fallback function delegates the call to the `implementation` contract using a delegatecall, effectively forwarding the call to the actual contract that contains the function’s implementation.","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_22":{"__typename":"Paragraph","id":"70aa14907c8b_22","name":"6bf8","type":"H4","href":null,"layout":null,"metadata":null,"text":"Step 3: Deploy the Proxy and Target Contracts 🚀","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_23":{"__typename":"Paragraph","id":"70aa14907c8b_23","name":"b2c5","type":"P","href":null,"layout":null,"metadata":null,"text":"Now it’s time to deploy our contracts on the Ethereum blockchain! To do that, follow these steps:","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_24":{"__typename":"Paragraph","id":"70aa14907c8b_24","name":"644d","type":"P","href":null,"layout":null,"metadata":null,"text":"1. Deploy the Target ERC20 Token contract with your preferred initial values (name, symbol, decimals, and initial supply) using your favorite Ethereum development tool or framework.","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":0,"end":3,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_25":{"__typename":"Paragraph","id":"70aa14907c8b_25","name":"7f56","type":"P","href":null,"layout":null,"metadata":null,"text":"2. Once the Target ERC20 Token contract is deployed, make note of its address.","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":0,"end":3,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_26":{"__typename":"Paragraph","id":"70aa14907c8b_26","name":"6941","type":"P","href":null,"layout":null,"metadata":null,"text":"3. Deploy the Proxy contract, passing the address of the Target ERC20 Token contract as a constructor parameter:","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":0,"end":3,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_27":{"__typename":"Paragraph","id":"70aa14907c8b_27","name":"79ee","type":"PRE","href":null,"layout":null,"metadata":null,"text":"\u002F\u002F JavaScript code for deploying the Proxy contract\nconst Proxy = artifacts.require(\"Proxy\");\nconst ERC20Token = artifacts.require(\"ERC20Token\");\nmodule.exports = async function (deployer) {\n await deployer.deploy(ERC20Token, \"MyToken\", \"MTK\", 18, 1000000000);\n const erc20Token = await ERC20Token.deployed();\n await deployer.deploy(Proxy, erc20Token.address);\n};","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":{"__typename":"CodeBlockMetadata","mode":"AUTO","lang":"javascript"},"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_28":{"__typename":"Paragraph","id":"70aa14907c8b_28","name":"54b1","type":"H4","href":null,"layout":null,"metadata":null,"text":"Step 4: Interact with the Proxy Contract 🤝","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_29":{"__typename":"Paragraph","id":"70aa14907c8b_29","name":"6f67","type":"P","href":null,"layout":null,"metadata":null,"text":"Congratulations! You’ve successfully deployed your Proxy contract and associated it with the ERC20 Token contract. Now, let’s see how to interact with the Proxy to perform token transfers:","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_30":{"__typename":"Paragraph","id":"70aa14907c8b_30","name":"c768","type":"PRE","href":null,"layout":null,"metadata":null,"text":"\u002F\u002F JavaScript code for interacting with the Proxy contract\nconst Proxy = artifacts.require(\"Proxy\");\nconst ERC20Token = artifacts.require(\"ERC20Token\");\nmodule.exports = async function (deployer) {\n const proxy = await Proxy.deployed();\n const erc20Token = await ERC20Token.at(proxy.address);\n\u002F\u002F Perform ERC20 token transfers using the Proxy\n const recipient = \"0x1234567890123456789012345678901234567890\";\n const amount = 100;\n await erc20Token.transfer(recipient, amount);\n\u002F\u002F Check the balance of the recipient\n const recipientBalance = await erc20Token.balanceOf(recipient);\n console.log(\"Recipient Balance:\", recipientBalance.toString());\n};","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":{"__typename":"CodeBlockMetadata","mode":"AUTO","lang":"javascript"},"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_31":{"__typename":"Paragraph","id":"70aa14907c8b_31","name":"66a9","type":"P","href":null,"layout":null,"metadata":null,"text":"And that’s it! You now have a fully functional Proxy pattern set up for your ERC20 token contract. You can leverage this pattern to deploy and upgrade any contract efficiently and cost-effectively! 🎉","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_32":{"__typename":"Paragraph","id":"70aa14907c8b_32","name":"ac96","type":"H4","href":null,"layout":null,"metadata":null,"text":"Analysis of Smart Contract","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"ImageMetadata:1*exBNiW80XLk76FuOKK885A.png":{"__typename":"ImageMetadata","id":"1*exBNiW80XLk76FuOKK885A.png","originalHeight":3882,"originalWidth":1840,"focusPercentX":null,"focusPercentY":null,"alt":null},"Paragraph:70aa14907c8b_33":{"__typename":"Paragraph","id":"70aa14907c8b_33","name":"35f9","type":"IMG","href":null,"layout":"INSET_CENTER","metadata":{"__ref":"ImageMetadata:1*exBNiW80XLk76FuOKK885A.png"},"text":"","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_34":{"__typename":"Paragraph","id":"70aa14907c8b_34","name":"492d","type":"P","href":null,"layout":null,"metadata":null,"text":"The provided Solidity code consists of several contracts that enable the deployment and execution of other contracts using the Proxy pattern. The primary contracts involved are:","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_35":{"__typename":"Paragraph","id":"70aa14907c8b_35","name":"01d3","type":"P","href":null,"layout":null,"metadata":null,"text":"1. `Proxy`: This contract serves as the main component of the Proxy pattern. It includes functions to deploy new contracts and execute function calls on existing contracts.","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":0,"end":11,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_36":{"__typename":"Paragraph","id":"70aa14907c8b_36","name":"440b","type":"P","href":null,"layout":null,"metadata":null,"text":"2. `TestContract1`: A simple test contract with a single state variable `owner`, and a function `setOwner` to update the owner if the caller is the current owner.","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":0,"end":19,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_37":{"__typename":"Paragraph","id":"70aa14907c8b_37","name":"ee92","type":"P","href":null,"layout":null,"metadata":null,"text":"3. `TestContract2`: Another test contract with state variables `owner`, `value`, `x`, and `y`, and a constructor to initialize `x` and `y` values.","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":0,"end":20,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_38":{"__typename":"Paragraph","id":"70aa14907c8b_38","name":"e64d","type":"P","href":null,"layout":null,"metadata":null,"text":"4. `Helper`: A helper contract containing functions to retrieve the bytecode of `TestContract1` and `TestContract2` and to generate calldata for function `setOwner`.","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":0,"end":12,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_39":{"__typename":"Paragraph","id":"70aa14907c8b_39","name":"580c","type":"P","href":null,"layout":null,"metadata":null,"text":"Now, let’s analyze each contract and its functionalities in detail:","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_40":{"__typename":"Paragraph","id":"70aa14907c8b_40","name":"e6ee","type":"P","href":null,"layout":null,"metadata":null,"text":"`Proxy` Contract:","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":0,"end":17,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_41":{"__typename":"Paragraph","id":"70aa14907c8b_41","name":"6d68","type":"P","href":null,"layout":null,"metadata":null,"text":"This contract acts as the Proxy and facilitates the deployment and execution of other contracts. It includes the following functions:","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_42":{"__typename":"Paragraph","id":"70aa14907c8b_42","name":"b953","type":"P","href":null,"layout":null,"metadata":null,"text":"`receive()`:","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"EM","start":0,"end":12,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_43":{"__typename":"Paragraph","id":"70aa14907c8b_43","name":"5178","type":"P","href":null,"layout":null,"metadata":null,"text":"A receive function with the `external` visibility modifier, which allows the contract to receive ETH payments. However, this function is not explicitly used in the contract.","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_44":{"__typename":"Paragraph","id":"70aa14907c8b_44","name":"ee79","type":"P","href":null,"layout":null,"metadata":null,"text":"`deploy(bytes memory _code)`:","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"EM","start":0,"end":29,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_45":{"__typename":"Paragraph","id":"70aa14907c8b_45","name":"e33f","type":"P","href":null,"layout":null,"metadata":null,"text":"A function to deploy a new contract using the provided bytecode `_code`. This function uses assembly code to create a new contract with the given bytecode. It returns the address of the deployed contract and emits a `Deploy` event with the contract address.","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_46":{"__typename":"Paragraph","id":"70aa14907c8b_46","name":"979f","type":"P","href":null,"layout":null,"metadata":null,"text":"`execute(address _target, bytes memory _data)`:","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"EM","start":0,"end":47,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_47":{"__typename":"Paragraph","id":"70aa14907c8b_47","name":"1877","type":"P","href":null,"layout":null,"metadata":null,"text":"A function to execute a function call on an existing contract. The `_target` parameter represents the address of the contract on which the function call should be executed, and `_data` contains the function call data. This function uses the low-level `call` function to execute the call and reverts if the call fails.","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_48":{"__typename":"Paragraph","id":"70aa14907c8b_48","name":"f7c5","type":"P","href":null,"layout":null,"metadata":null,"text":"`TestContract1` and `TestContract2`:","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":0,"end":36,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_49":{"__typename":"Paragraph","id":"70aa14907c8b_49","name":"8ec3","type":"P","href":null,"layout":null,"metadata":null,"text":"These are simple test contracts used to demonstrate the deployment and execution capabilities of the Proxy contract.","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_50":{"__typename":"Paragraph","id":"70aa14907c8b_50","name":"9efb","type":"P","href":null,"layout":null,"metadata":null,"text":"`Helper` Contract:","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":0,"end":18,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_51":{"__typename":"Paragraph","id":"70aa14907c8b_51","name":"6b63","type":"P","href":null,"layout":null,"metadata":null,"text":"This contract provides helper functions to retrieve bytecode and generate calldata for function calls.","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_52":{"__typename":"Paragraph","id":"70aa14907c8b_52","name":"c885","type":"P","href":null,"layout":null,"metadata":null,"text":"`getBytecode1()`:","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"EM","start":0,"end":17,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_53":{"__typename":"Paragraph","id":"70aa14907c8b_53","name":"766e","type":"P","href":null,"layout":null,"metadata":null,"text":"A function that returns the bytecode of `TestContract1`. It uses the `type(TestContract1).creationCode` to obtain the bytecode.","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_54":{"__typename":"Paragraph","id":"70aa14907c8b_54","name":"7ceb","type":"P","href":null,"layout":null,"metadata":null,"text":"`getBytecode2(uint _x, uint _y)`:","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"EM","start":0,"end":33,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_55":{"__typename":"Paragraph","id":"70aa14907c8b_55","name":"ebc4","type":"P","href":null,"layout":null,"metadata":null,"text":"A function that returns the bytecode of `TestContract2` with the constructor arguments `_x` and `_y`. It uses the `type(TestContract2).creationCode` and encodes the arguments using `abi.encodePacked`.","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_56":{"__typename":"Paragraph","id":"70aa14907c8b_56","name":"d036","type":"P","href":null,"layout":null,"metadata":null,"text":"`getCalldata(address _owner)`:","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"EM","start":0,"end":30,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_57":{"__typename":"Paragraph","id":"70aa14907c8b_57","name":"febf","type":"P","href":null,"layout":null,"metadata":null,"text":"A function that generates calldata for the `setOwner` function of `TestContract1` with the provided `_owner` address. It uses `abi.encodeWithSignature` to encode the function signature and the `_owner` argument.","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_58":{"__typename":"Paragraph","id":"70aa14907c8b_58","name":"c90e","type":"P","href":null,"layout":null,"metadata":null,"text":"In summary, the provided Solidity code showcases a Proxy pattern implementation for deploying and executing contracts dynamically. The `Proxy` contract acts as the intermediary, while the `Helper` contract assists with bytecode retrieval and calldata generation for function calls. The `TestContract1` and `TestContract2` contracts serve as simple examples to illustrate the deployment and execution processes.","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_59":{"__typename":"Paragraph","id":"70aa14907c8b_59","name":"ee24","type":"H3","href":null,"layout":null,"metadata":null,"text":"Conclusion 🏁","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_60":{"__typename":"Paragraph","id":"70aa14907c8b_60","name":"7b21","type":"P","href":null,"layout":null,"metadata":null,"text":"The Proxy pattern is a powerful tool in the Ethereum smart contract developer’s toolkit. It enables seamless contract upgrades and cost-efficient deployments, ultimately leading to a better user experience for decentralized applications. By creating a Proxy contract that delegates function calls to various implementations, we can deploy any contract with ease and ensure the immutability of contract addresses.","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":332,"end":351,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_61":{"__typename":"Paragraph","id":"70aa14907c8b_61","name":"f06a","type":"P","href":null,"layout":null,"metadata":null,"text":"Remember that the Proxy pattern is not limited to ERC20 tokens. You can apply it to various contracts, ranging from simple utility contracts to complex DeFi protocols! 🔄🧙♂️","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"A","start":50,"end":62,"href":"https:\u002F\u002Fmedium.com\u002F@solidity101\u002F100daysofsolidity-creating-your-own-erc20-token-a-technical-guide-ddad9817dbd1","anchorType":"LINK","userId":null,"linkMetadata":null},{"__typename":"Markup","type":"STRONG","start":50,"end":62,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_62":{"__typename":"Paragraph","id":"70aa14907c8b_62","name":"c6d7","type":"P","href":null,"layout":null,"metadata":null,"text":"So, go ahead and level up your smart contract game by implementing the Proxy pattern in your projects. Happy coding! 💻✨","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_63":{"__typename":"Paragraph","id":"70aa14907c8b_63","name":"83ef","type":"BQ","href":null,"layout":null,"metadata":null,"text":"Disclaimer: The code examples provided in this article are meant for educational purposes only and might not be production-ready. Always conduct a thorough security audit before deploying any smart contract to the mainnet. ⚠️","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"STRONG","start":0,"end":12,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_64":{"__typename":"Paragraph","id":"70aa14907c8b_64","name":"7f6c","type":"H3","href":null,"layout":null,"metadata":null,"text":"📚 Resources 📚","hasDropCap":null,"dropCapImage":null,"markups":[],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_65":{"__typename":"Paragraph","id":"70aa14907c8b_65","name":"6912","type":"ULI","href":null,"layout":null,"metadata":null,"text":"🔗 Solidity101 Link Collection","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"A","start":3,"end":30,"href":"https:\u002F\u002Flinktr.ee\u002Fsolidity101","anchorType":"LINK","userId":null,"linkMetadata":null},{"__typename":"Markup","type":"STRONG","start":3,"end":30,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_66":{"__typename":"Paragraph","id":"70aa14907c8b_66","name":"4770","type":"ULI","href":null,"layout":null,"metadata":null,"text":"📝 Medium Article Source","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"A","start":3,"end":24,"href":"\u002F@solidity101","anchorType":"LINK","userId":null,"linkMetadata":null},{"__typename":"Markup","type":"EM","start":3,"end":24,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_67":{"__typename":"Paragraph","id":"70aa14907c8b_67","name":"1ba3","type":"ULI","href":null,"layout":null,"metadata":null,"text":"📚 Web3 Library","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"A","start":3,"end":15,"href":"https:\u002F\u002Fbit.ly\u002Fweb3Lib","anchorType":"LINK","userId":null,"linkMetadata":null},{"__typename":"Markup","type":"STRONG","start":3,"end":15,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_68":{"__typename":"Paragraph","id":"70aa14907c8b_68","name":"a339","type":"ULI","href":null,"layout":null,"metadata":null,"text":"📖 Amazon Book Source","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"A","start":3,"end":21,"href":"https:\u002F\u002Famazon.com\u002Fdp\u002FB0BZLKZ58B?binding=paperback","anchorType":"LINK","userId":null,"linkMetadata":null},{"__typename":"Markup","type":"EM","start":3,"end":21,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_69":{"__typename":"Paragraph","id":"70aa14907c8b_69","name":"ac58","type":"ULI","href":null,"layout":null,"metadata":null,"text":"📑 Solidity Documentation","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"A","start":3,"end":25,"href":"https:\u002F\u002Fdocs.soliditylang.org\u002Fen\u002Fdevelop\u002F","anchorType":"LINK","userId":null,"linkMetadata":null},{"__typename":"Markup","type":"STRONG","start":3,"end":25,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:70aa14907c8b_70":{"__typename":"Paragraph","id":"70aa14907c8b_70","name":"1064","type":"ULI","href":null,"layout":null,"metadata":null,"text":"💰 Donate US","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"A","start":3,"end":12,"href":"\u002F@solidity101\u002Fabout","anchorType":"LINK","userId":null,"linkMetadata":null},{"__typename":"Markup","type":"EM","start":3,"end":12,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"PostViewerEdge:postId:604659d2117d-viewerId:lo_22884d3a3b7d":{"__typename":"PostViewerEdge","shouldIndexPostForExternalSearch":true,"id":"postId:604659d2117d-viewerId:lo_22884d3a3b7d"},"Tag:100daysofsolidity":{"__typename":"Tag","id":"100daysofsolidity","displayTitle":"100daysofsolidity","normalizedTagSlug":"100-days-of-solidity"},"Tag:smart-contract-deploy":{"__typename":"Tag","id":"smart-contract-deploy","displayTitle":"Smart Contract Deploy","normalizedTagSlug":"deploy-smart-contract"},"Tag:proxy-pattern":{"__typename":"Tag","id":"proxy-pattern","displayTitle":"Proxy Pattern","normalizedTagSlug":"proxy-pattern"},"Tag:deploy-any-contract":{"__typename":"Tag","id":"deploy-any-contract","displayTitle":"Deploy Any Contract","normalizedTagSlug":"deploy-any-contract"},"Post:604659d2117d":{"__typename":"Post","id":"604659d2117d","collection":null,"content({\"postMeteringOptions\":{}})":{"__typename":"PostContent","isLockedPreviewOnly":false,"bodyModel":{"__typename":"RichText","sections":[{"__typename":"Section","name":"446d","startIndex":0,"textLayout":null,"imageLayout":null,"backgroundImage":null,"videoLayout":null,"backgroundVideo":null}],"paragraphs":[{"__ref":"Paragraph:70aa14907c8b_0"},{"__ref":"Paragraph:70aa14907c8b_1"},{"__ref":"Paragraph:70aa14907c8b_2"},{"__ref":"Paragraph:70aa14907c8b_3"},{"__ref":"Paragraph:70aa14907c8b_4"},{"__ref":"Paragraph:70aa14907c8b_5"},{"__ref":"Paragraph:70aa14907c8b_6"},{"__ref":"Paragraph:70aa14907c8b_7"},{"__ref":"Paragraph:70aa14907c8b_8"},{"__ref":"Paragraph:70aa14907c8b_9"},{"__ref":"Paragraph:70aa14907c8b_10"},{"__ref":"Paragraph:70aa14907c8b_11"},{"__ref":"Paragraph:70aa14907c8b_12"},{"__ref":"Paragraph:70aa14907c8b_13"},{"__ref":"Paragraph:70aa14907c8b_14"},{"__ref":"Paragraph:70aa14907c8b_15"},{"__ref":"Paragraph:70aa14907c8b_16"},{"__ref":"Paragraph:70aa14907c8b_17"},{"__ref":"Paragraph:70aa14907c8b_18"},{"__ref":"Paragraph:70aa14907c8b_19"},{"__ref":"Paragraph:70aa14907c8b_20"},{"__ref":"Paragraph:70aa14907c8b_21"},{"__ref":"Paragraph:70aa14907c8b_22"},{"__ref":"Paragraph:70aa14907c8b_23"},{"__ref":"Paragraph:70aa14907c8b_24"},{"__ref":"Paragraph:70aa14907c8b_25"},{"__ref":"Paragraph:70aa14907c8b_26"},{"__ref":"Paragraph:70aa14907c8b_27"},{"__ref":"Paragraph:70aa14907c8b_28"},{"__ref":"Paragraph:70aa14907c8b_29"},{"__ref":"Paragraph:70aa14907c8b_30"},{"__ref":"Paragraph:70aa14907c8b_31"},{"__ref":"Paragraph:70aa14907c8b_32"},{"__ref":"Paragraph:70aa14907c8b_33"},{"__ref":"Paragraph:70aa14907c8b_34"},{"__ref":"Paragraph:70aa14907c8b_35"},{"__ref":"Paragraph:70aa14907c8b_36"},{"__ref":"Paragraph:70aa14907c8b_37"},{"__ref":"Paragraph:70aa14907c8b_38"},{"__ref":"Paragraph:70aa14907c8b_39"},{"__ref":"Paragraph:70aa14907c8b_40"},{"__ref":"Paragraph:70aa14907c8b_41"},{"__ref":"Paragraph:70aa14907c8b_42"},{"__ref":"Paragraph:70aa14907c8b_43"},{"__ref":"Paragraph:70aa14907c8b_44"},{"__ref":"Paragraph:70aa14907c8b_45"},{"__ref":"Paragraph:70aa14907c8b_46"},{"__ref":"Paragraph:70aa14907c8b_47"},{"__ref":"Paragraph:70aa14907c8b_48"},{"__ref":"Paragraph:70aa14907c8b_49"},{"__ref":"Paragraph:70aa14907c8b_50"},{"__ref":"Paragraph:70aa14907c8b_51"},{"__ref":"Paragraph:70aa14907c8b_52"},{"__ref":"Paragraph:70aa14907c8b_53"},{"__ref":"Paragraph:70aa14907c8b_54"},{"__ref":"Paragraph:70aa14907c8b_55"},{"__ref":"Paragraph:70aa14907c8b_56"},{"__ref":"Paragraph:70aa14907c8b_57"},{"__ref":"Paragraph:70aa14907c8b_58"},{"__ref":"Paragraph:70aa14907c8b_59"},{"__ref":"Paragraph:70aa14907c8b_60"},{"__ref":"Paragraph:70aa14907c8b_61"},{"__ref":"Paragraph:70aa14907c8b_62"},{"__ref":"Paragraph:70aa14907c8b_63"},{"__ref":"Paragraph:70aa14907c8b_64"},{"__ref":"Paragraph:70aa14907c8b_65"},{"__ref":"Paragraph:70aa14907c8b_66"},{"__ref":"Paragraph:70aa14907c8b_67"},{"__ref":"Paragraph:70aa14907c8b_68"},{"__ref":"Paragraph:70aa14907c8b_69"},{"__ref":"Paragraph:70aa14907c8b_70"}]},"validatedShareKey":"","shareKeyCreator":null},"creator":{"__ref":"User:3d2cee6b95e4"},"inResponseToEntityType":null,"isLocked":false,"isMarkedPaywallOnly":false,"lockedSource":"LOCKED_POST_SOURCE_NONE","mediumUrl":"https:\u002F\u002Fmedium.com\u002F@solidity101\u002F100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d","primaryTopic":null,"topics":[{"__typename":"Topic","slug":"blockchain"},{"__typename":"Topic","slug":"programming"}],"isPublished":true,"latestPublishedVersion":"70aa14907c8b","visibility":"PUBLIC","postResponses":{"__typename":"PostResponses","count":1},"clapCount":1,"allowResponses":true,"isLimitedState":false,"title":"#100DaysOfSolidity #057 🔥 Supercharge Your Smart Contract Deployments with Proxy Pattern! 🔥","isSeries":false,"sequence":null,"uniqueSlug":"100daysofsolidity-057-supercharge-your-smart-contract-deployments-with-proxy-pattern-604659d2117d","socialTitle":"","socialDek":"","canonicalUrl":"","metaDescription":"","latestPublishedAt":1690963953894,"readingTime":6.34182389937107,"previewContent":{"__typename":"PreviewContent","subtitle":"#100DaysOfSolidity 057 : “Deploy Any Contract”"},"previewImage":{"__ref":"ImageMetadata:1*v0G9bSzt9p5ovOkXkJsnPw.png"},"isShortform":false,"seoTitle":"","firstPublishedAt":1690963953894,"updatedAt":1691036203451,"shortformType":"SHORTFORM_TYPE_LINK","seoDescription":"","viewerEdge":{"__ref":"PostViewerEdge:postId:604659d2117d-viewerId:lo_22884d3a3b7d"},"isSuspended":false,"license":"ALL_RIGHTS_RESERVED","tags":[{"__ref":"Tag:100daysofsolidity"},{"__ref":"Tag:smart-contract-deploy"},{"__ref":"Tag:proxy-pattern"},{"__ref":"Tag:deploy-any-contract"}],"isNewsletter":false,"statusForCollection":null,"pendingCollection":null,"detectedLanguage":"en","wordCount":1579,"layerCake":0,"responsesLocked":false}}</script><script>window.__MIDDLEWARE_STATE__={"session":{"xsrf":""},"cache":{"cacheStatus":"MISS"}}</script><script src="https://cdn-client.medium.com/lite/static/js/manifest.b2314f6d.js"></script><script src="https://cdn-client.medium.com/lite/static/js/9865.1496d74a.js"></script><script src="https://cdn-client.medium.com/lite/static/js/main.24534aeb.js"></script><script src="https://cdn-client.medium.com/lite/static/js/instrumentation.d9108df7.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/reporting.ff22a7a5.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/5049.d1ead72d.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/4810.6318add7.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/6618.db187378.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/2707.b0942613.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/9977.5b3eb23a.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/8599.1ab63137.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/5250.9f9e01d2.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/6349.b071a958.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/2648.26563adf.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/8393.826a25fb.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/7079.67349d50.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/3735.afb7e926.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/5642.a2d9f6a1.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/6546.cd03f950.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/6834.08de95de.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/7346.72622eb9.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/2420.2a5e2d95.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/839.ca7937c2.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/7975.d195c6f1.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/2106.21ff89d3.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/7394.3d049572.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/2961.00a48598.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/8204.c4082863.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/4391.59acaed3.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/PostPage.MainContent.c8a11795.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/8414.6565ad5f.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/3974.8d3e0217.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/2527.a0afad8a.chunk.js"></script> <script src="https://cdn-client.medium.com/lite/static/js/PostResponsesContent.36c2ecf4.chunk.js"></script><script>window.main();</script><script>(function(){function c(){var b=a.contentDocument||a.contentWindow.document;if(b){var d=b.createElement('script');d.innerHTML="window.__CF$cv$params={r:'8e75c643ee31cdd9',t:'MTczMjQxMzMwMy4wMDAwMDA='};var a=document.createElement('script');a.nonce='';a.src='/cdn-cgi/challenge-platform/scripts/jsd/main.js';document.getElementsByTagName('head')[0].appendChild(a);";b.getElementsByTagName('head')[0].appendChild(d)}}if(document.body){var a=document.createElement('iframe');a.height=1;a.width=1;a.style.position='absolute';a.style.top=0;a.style.left=0;a.style.border='none';a.style.visibility='hidden';document.body.appendChild(a);if('loading'!==document.readyState)c();else if(window.addEventListener)document.addEventListener('DOMContentLoaded',c);else{var e=document.onreadystatechange||function(){};document.onreadystatechange=function(b){e(b);'loading'!==document.readyState&&(document.onreadystatechange=e,c())}}}})();</script></body></html>