BranchesTags

Repository files navigation

Pre-requisites

  • Node.js v12+ (check with: node -v)
  • npm
  • An Alchemy key for interacting with the Ethereum blockchain
  • An Ethereum wallet private key, which will be the only wallet able to withdraw fees from the contract
  • The wallet address (starting with 0x)
  • To deploy the contract on Mainnet - 0.1 ETH in that wallet needed for gas
  • To deploy the contract on the Rinkeby testnet - test ETH from the Chainlink faucet

To use this code

git clone https://github.com/joonspoon/proxy-contract
cd proxy-contract
npm install

Create a file secrets.json in the project root directory containing the wallet private key and Alchemy key:

{
"privateKey": "xxxxxxx",
"alchemyApiKey": "xxxx"
}

To deploy the contract on the Rinkeby testnet for the first time

npx hardhat run --network rinkeby scripts/deploy.js

Take note of the contract address for interacting with the smart contract from now on

Check the contract has been deployed on Etherscan

To make changes to the existing contract on Rinkeby

Update scripts/upgrade.js with the address of your recently deployed contract ☝️

Edit the contract code in contracts/Swap.sol

npx hardhat run --network rinkeby scripts/upgrade.js

To deploy the contract to a local blockchain

cd Documents/proxy-contract && npx hardhat node # in a separate terminal window
npx hardhat run --network localhost scripts/deploy.js

To interact with the contract running on the local node using the command line

npx hardhat run --network localhost scripts/upgrade.js
npx hardhat console --network localhost
const factory = await ethers.getContractFactory('Swap');
const contract = await factory.attach('0x9fE46736679d2D9a65F0992F2272dE9f3c7fa6e0');
await contract.swap(...);

To interact with the contract running on the local node using JavaScript

npx hardhat run --network localhost ./scripts/index.js

To run the unit tests

npx hardhat test

About

Code for deploying an upgradeable smart contract that interacts with Uniswap and charges a nominal fee.

Resources

Readme
Activity

Stars

3 stars

Watchers

1 watching

Forks

0 forks
Report repository

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Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Pre-requisites
  • Node.js v12+ (check with: node -v)
  • npm
  • An Alchemy key for interacting with the Ethereum blockchain
  • An Ethereum wallet private key, which will be the only wallet able to withdraw fees from the contract
  • The wallet address (starting with 0x)
  • To deploy the contract on Mainnet - 0.1 ETH in that wallet needed for gas
  • To deploy the contract on the Rinkeby testnet - test ETH from the Chainlink faucet
To use this code
git clone https://github.com/joonspoon/proxy-contract
cd proxy-contract
npm install

Create a file secrets.json in the project root directory containing the wallet private key and Alchemy key:
{
"privateKey": "xxxxxxx",
"alchemyApiKey": "xxxx"
}

To deploy the contract on the Rinkeby testnet for the first time
npx hardhat run --network rinkeby scripts/deploy.js

Take note of the contract address for interacting with the smart contract from now on
Check the contract has been deployed on Etherscan
To make changes to the existing contract on Rinkeby
Update scripts/upgrade.js with the address of your recently deployed contract ☝️
Edit the contract code in contracts/Swap.sol
npx hardhat run --network rinkeby scripts/upgrade.js

To deploy the contract to a local blockchain
cd Documents/proxy-contract && npx hardhat node # in a separate terminal window
npx hardhat run --network localhost scripts/deploy.js

To interact with the contract running on the local node using the command line
npx hardhat run --network localhost scripts/upgrade.js
npx hardhat console --network localhost
const factory = await ethers.getContractFactory('Swap');
const contract = await factory.attach('0x9fE46736679d2D9a65F0992F2272dE9f3c7fa6e0');
await contract.swap(...);

To interact with the contract running on the local node using JavaScript
npx hardhat run --network localhost ./scripts/index.js

To run the unit tests
npx hardhat test

About
Code for deploying an upgradeable smart contract that interacts with Uniswap and charges a nominal fee.
Resources
Readme
Activity
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Pre-requisites
  • Node.js v12+ (check with: node -v)
  • npm
  • An Alchemy key for interacting with the Ethereum blockchain
  • An Ethereum wallet private key, which will be the only wallet able to withdraw fees from the contract
  • The wallet address (starting with 0x)
  • To deploy the contract on Mainnet - 0.1 ETH in that wallet needed for gas
  • To deploy the contract on the Rinkeby testnet - test ETH from the Chainlink faucet
To use this code
git clone https://github.com/joonspoon/proxy-contract
cd proxy-contract
npm install

Create a file secrets.json in the project root directory containing the wallet private key and Alchemy key:
{
"privateKey": "xxxxxxx",
"alchemyApiKey": "xxxx"
}

To deploy the contract on the Rinkeby testnet for the first time
npx hardhat run --network rinkeby scripts/deploy.js

Take note of the contract address for interacting with the smart contract from now on
Check the contract has been deployed on Etherscan
To make changes to the existing contract on Rinkeby
Update scripts/upgrade.js with the address of your recently deployed contract ☝️
Edit the contract code in contracts/Swap.sol
npx hardhat run --network rinkeby scripts/upgrade.js

To deploy the contract to a local blockchain
cd Documents/proxy-contract && npx hardhat node # in a separate terminal window
npx hardhat run --network localhost scripts/deploy.js

To interact with the contract running on the local node using the command line
npx hardhat run --network localhost scripts/upgrade.js
npx hardhat console --network localhost
const factory = await ethers.getContractFactory('Swap');
const contract = await factory.attach('0x9fE46736679d2D9a65F0992F2272dE9f3c7fa6e0');
await contract.swap(...);

To interact with the contract running on the local node using JavaScript
npx hardhat run --network localhost ./scripts/index.js

To run the unit tests
npx hardhat test

About
Code for deploying an upgradeable smart contract that interacts with Uniswap and charges a nominal fee.
Resources
Readme
Activity
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Pre-requisites
  • Node.js v12+ (check with: node -v)
  • npm
  • An Alchemy key for interacting with the Ethereum blockchain
  • An Ethereum wallet private key, which will be the only wallet able to withdraw fees from the contract
  • The wallet address (starting with 0x)
  • To deploy the contract on Mainnet - 0.1 ETH in that wallet needed for gas
  • To deploy the contract on the Rinkeby testnet - test ETH from the Chainlink faucet
To use this code
git clone https://github.com/joonspoon/proxy-contract
cd proxy-contract
npm install

Create a file secrets.json in the project root directory containing the wallet private key and Alchemy key:
{
"privateKey": "xxxxxxx",
"alchemyApiKey": "xxxx"
}

To deploy the contract on the Rinkeby testnet for the first time
npx hardhat run --network rinkeby scripts/deploy.js

Take note of the contract address for interacting with the smart contract from now on
Check the contract has been deployed on Etherscan
To make changes to the existing contract on Rinkeby
Update scripts/upgrade.js with the address of your recently deployed contract ☝️
Edit the contract code in contracts/Swap.sol
npx hardhat run --network rinkeby scripts/upgrade.js

To deploy the contract to a local blockchain
cd Documents/proxy-contract && npx hardhat node # in a separate terminal window
npx hardhat run --network localhost scripts/deploy.js

To interact with the contract running on the local node using the command line
npx hardhat run --network localhost scripts/upgrade.js
npx hardhat console --network localhost
const factory = await ethers.getContractFactory('Swap');
const contract = await factory.attach('0x9fE46736679d2D9a65F0992F2272dE9f3c7fa6e0');
await contract.swap(...);

To interact with the contract running on the local node using JavaScript
npx hardhat run --network localhost ./scripts/index.js

To run the unit tests
npx hardhat test

About
Code for deploying an upgradeable smart contract that interacts with Uniswap and charges a nominal fee.
Resources
Readme
Activity
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Pre-requisites
  • Node.js v12+ (check with: node -v)
  • npm
  • An Alchemy key for interacting with the Ethereum blockchain
  • An Ethereum wallet private key, which will be the only wallet able to withdraw fees from the contract
  • The wallet address (starting with 0x)
  • To deploy the contract on Mainnet - 0.1 ETH in that wallet needed for gas
  • To deploy the contract on the Rinkeby testnet - test ETH from the Chainlink faucet
To use this code
git clone https://github.com/joonspoon/proxy-contract
cd proxy-contract
npm install

Create a file secrets.json in the project root directory containing the wallet private key and Alchemy key:
{
"privateKey": "xxxxxxx",
"alchemyApiKey": "xxxx"
}

To deploy the contract on the Rinkeby testnet for the first time
npx hardhat run --network rinkeby scripts/deploy.js

Take note of the contract address for interacting with the smart contract from now on
Check the contract has been deployed on Etherscan
To make changes to the existing contract on Rinkeby
Update scripts/upgrade.js with the address of your recently deployed contract ☝️
Edit the contract code in contracts/Swap.sol
npx hardhat run --network rinkeby scripts/upgrade.js

To deploy the contract to a local blockchain
cd Documents/proxy-contract && npx hardhat node # in a separate terminal window
npx hardhat run --network localhost scripts/deploy.js

To interact with the contract running on the local node using the command line
npx hardhat run --network localhost scripts/upgrade.js
npx hardhat console --network localhost
const factory = await ethers.getContractFactory('Swap');
const contract = await factory.attach('0x9fE46736679d2D9a65F0992F2272dE9f3c7fa6e0');
await contract.swap(...);

To interact with the contract running on the local node using JavaScript
npx hardhat run --network localhost ./scripts/index.js

To run the unit tests
npx hardhat test

About
Code for deploying an upgradeable smart contract that interacts with Uniswap and charges a nominal fee.
Resources
Readme
Activity
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Pre-requisites
  • Node.js v12+ (check with: node -v)
  • npm
  • An Alchemy key for interacting with the Ethereum blockchain
  • An Ethereum wallet private key, which will be the only wallet able to withdraw fees from the contract
  • The wallet address (starting with 0x)
  • To deploy the contract on Mainnet - 0.1 ETH in that wallet needed for gas
  • To deploy the contract on the Rinkeby testnet - test ETH from the Chainlink faucet
To use this code
git clone https://github.com/joonspoon/proxy-contract
cd proxy-contract
npm install

Create a file secrets.json in the project root directory containing the wallet private key and Alchemy key:
{
"privateKey": "xxxxxxx",
"alchemyApiKey": "xxxx"
}

To deploy the contract on the Rinkeby testnet for the first time
npx hardhat run --network rinkeby scripts/deploy.js

Take note of the contract address for interacting with the smart contract from now on
Check the contract has been deployed on Etherscan
To make changes to the existing contract on Rinkeby
Update scripts/upgrade.js with the address of your recently deployed contract ☝️
Edit the contract code in contracts/Swap.sol
npx hardhat run --network rinkeby scripts/upgrade.js

To deploy the contract to a local blockchain
cd Documents/proxy-contract && npx hardhat node # in a separate terminal window
npx hardhat run --network localhost scripts/deploy.js

To interact with the contract running on the local node using the command line
npx hardhat run --network localhost scripts/upgrade.js
npx hardhat console --network localhost
const factory = await ethers.getContractFactory('Swap');
const contract = await factory.attach('0x9fE46736679d2D9a65F0992F2272dE9f3c7fa6e0');
await contract.swap(...);

To interact with the contract running on the local node using JavaScript
npx hardhat run --network localhost ./scripts/index.js

To run the unit tests
npx hardhat test

About
Code for deploying an upgradeable smart contract that interacts with Uniswap and charges a nominal fee.
Resources
Readme
Activity
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Pre-requisites
  • Node.js v12+ (check with: node -v)
  • npm
  • An Alchemy key for interacting with the Ethereum blockchain
  • An Ethereum wallet private key, which will be the only wallet able to withdraw fees from the contract
  • The wallet address (starting with 0x)
  • To deploy the contract on Mainnet - 0.1 ETH in that wallet needed for gas
  • To deploy the contract on the Rinkeby testnet - test ETH from the Chainlink faucet
To use this code
git clone https://github.com/joonspoon/proxy-contract
cd proxy-contract
npm install

Create a file secrets.json in the project root directory containing the wallet private key and Alchemy key:
{
"privateKey": "xxxxxxx",
"alchemyApiKey": "xxxx"
}

To deploy the contract on the Rinkeby testnet for the first time
npx hardhat run --network rinkeby scripts/deploy.js

Take note of the contract address for interacting with the smart contract from now on
Check the contract has been deployed on Etherscan
To make changes to the existing contract on Rinkeby
Update scripts/upgrade.js with the address of your recently deployed contract ☝️
Edit the contract code in contracts/Swap.sol
npx hardhat run --network rinkeby scripts/upgrade.js

To deploy the contract to a local blockchain
cd Documents/proxy-contract && npx hardhat node # in a separate terminal window
npx hardhat run --network localhost scripts/deploy.js

To interact with the contract running on the local node using the command line
npx hardhat run --network localhost scripts/upgrade.js
npx hardhat console --network localhost
const factory = await ethers.getContractFactory('Swap');
const contract = await factory.attach('0x9fE46736679d2D9a65F0992F2272dE9f3c7fa6e0');
await contract.swap(...);

To interact with the contract running on the local node using JavaScript
npx hardhat run --network localhost ./scripts/index.js

To run the unit tests
npx hardhat test

About
Code for deploying an upgradeable smart contract that interacts with Uniswap and charges a nominal fee.
Resources
Readme
Activity
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
BranchesTags
Repository files navigation
Pre-requisites
  • Node.js v12+ (check with: node -v)
  • npm
  • An Alchemy key for interacting with the Ethereum blockchain
  • An Ethereum wallet private key, which will be the only wallet able to withdraw fees from the contract
  • The wallet address (starting with 0x)
  • To deploy the contract on Mainnet - 0.1 ETH in that wallet needed for gas
  • To deploy the contract on the Rinkeby testnet - test ETH from the Chainlink faucet
To use this code
git clone https://github.com/joonspoon/proxy-contract
cd proxy-contract
npm install

Create a file secrets.json in the project root directory containing the wallet private key and Alchemy key:
{
"privateKey": "xxxxxxx",
"alchemyApiKey": "xxxx"
}

To deploy the contract on the Rinkeby testnet for the first time
npx hardhat run --network rinkeby scripts/deploy.js

Take note of the contract address for interacting with the smart contract from now on
Check the contract has been deployed on Etherscan
To make changes to the existing contract on Rinkeby
Update scripts/upgrade.js with the address of your recently deployed contract ☝️
Edit the contract code in contracts/Swap.sol
npx hardhat run --network rinkeby scripts/upgrade.js

To deploy the contract to a local blockchain
cd Documents/proxy-contract && npx hardhat node # in a separate terminal window
npx hardhat run --network localhost scripts/deploy.js

To interact with the contract running on the local node using the command line
npx hardhat run --network localhost scripts/upgrade.js
npx hardhat console --network localhost
const factory = await ethers.getContractFactory('Swap');
const contract = await factory.attach('0x9fE46736679d2D9a65F0992F2272dE9f3c7fa6e0');
await contract.swap(...);

To interact with the contract running on the local node using JavaScript
npx hardhat run --network localhost ./scripts/index.js

To run the unit tests
npx hardhat test

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Code for deploying an upgradeable smart contract that interacts with Uniswap and charges a nominal fee.
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