diff --git a/substrate/frame/revive/rpc/examples/js/abi/event.json b/substrate/frame/revive/rpc/examples/js/abi/event.json
index a64c920c4068..d36089fbc84e 100644
--- a/substrate/frame/revive/rpc/examples/js/abi/event.json
+++ b/substrate/frame/revive/rpc/examples/js/abi/event.json
@@ -1,34 +1,34 @@
 [
-  {
-    "anonymous": false,
-    "inputs": [
-      {
-        "indexed": true,
-        "internalType": "address",
-        "name": "sender",
-        "type": "address"
-      },
-      {
-        "indexed": false,
-        "internalType": "uint256",
-        "name": "value",
-        "type": "uint256"
-      },
-      {
-        "indexed": false,
-        "internalType": "string",
-        "name": "message",
-        "type": "string"
-      }
-    ],
-    "name": "ExampleEvent",
-    "type": "event"
-  },
-  {
-    "inputs": [],
-    "name": "triggerEvent",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  }
-]
\ No newline at end of file
+	{
+		"anonymous": false,
+		"inputs": [
+			{
+				"indexed": true,
+				"internalType": "address",
+				"name": "sender",
+				"type": "address"
+			},
+			{
+				"indexed": false,
+				"internalType": "uint256",
+				"name": "value",
+				"type": "uint256"
+			},
+			{
+				"indexed": false,
+				"internalType": "string",
+				"name": "message",
+				"type": "string"
+			}
+		],
+		"name": "ExampleEvent",
+		"type": "event"
+	},
+	{
+		"inputs": [],
+		"name": "triggerEvent",
+		"outputs": [],
+		"stateMutability": "nonpayable",
+		"type": "function"
+	}
+]
diff --git a/substrate/frame/revive/rpc/examples/js/abi/piggyBank.json b/substrate/frame/revive/rpc/examples/js/abi/piggyBank.json
index e6655889e21a..2c2cfd5f7533 100644
--- a/substrate/frame/revive/rpc/examples/js/abi/piggyBank.json
+++ b/substrate/frame/revive/rpc/examples/js/abi/piggyBank.json
@@ -1,65 +1,65 @@
 [
-  {
-    "inputs": [],
-    "stateMutability": "nonpayable",
-    "type": "constructor"
-  },
-  {
-    "inputs": [],
-    "name": "deposit",
-    "outputs": [
-      {
-        "internalType": "uint256",
-        "name": "",
-        "type": "uint256"
-      }
-    ],
-    "stateMutability": "payable",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "getDeposit",
-    "outputs": [
-      {
-        "internalType": "uint256",
-        "name": "",
-        "type": "uint256"
-      }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "owner",
-    "outputs": [
-      {
-        "internalType": "address",
-        "name": "",
-        "type": "address"
-      }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [
-      {
-        "internalType": "uint256",
-        "name": "withdrawAmount",
-        "type": "uint256"
-      }
-    ],
-    "name": "withdraw",
-    "outputs": [
-      {
-        "internalType": "uint256",
-        "name": "remainingBal",
-        "type": "uint256"
-      }
-    ],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  }
-]
\ No newline at end of file
+	{
+		"inputs": [],
+		"stateMutability": "nonpayable",
+		"type": "constructor"
+	},
+	{
+		"inputs": [],
+		"name": "deposit",
+		"outputs": [
+			{
+				"internalType": "uint256",
+				"name": "",
+				"type": "uint256"
+			}
+		],
+		"stateMutability": "payable",
+		"type": "function"
+	},
+	{
+		"inputs": [],
+		"name": "getDeposit",
+		"outputs": [
+			{
+				"internalType": "uint256",
+				"name": "",
+				"type": "uint256"
+			}
+		],
+		"stateMutability": "view",
+		"type": "function"
+	},
+	{
+		"inputs": [],
+		"name": "owner",
+		"outputs": [
+			{
+				"internalType": "address",
+				"name": "",
+				"type": "address"
+			}
+		],
+		"stateMutability": "view",
+		"type": "function"
+	},
+	{
+		"inputs": [
+			{
+				"internalType": "uint256",
+				"name": "withdrawAmount",
+				"type": "uint256"
+			}
+		],
+		"name": "withdraw",
+		"outputs": [
+			{
+				"internalType": "uint256",
+				"name": "remainingBal",
+				"type": "uint256"
+			}
+		],
+		"stateMutability": "nonpayable",
+		"type": "function"
+	}
+]
diff --git a/substrate/frame/revive/rpc/examples/js/abi/revert.json b/substrate/frame/revive/rpc/examples/js/abi/revert.json
index 4a7f2342421a..be2945fcc0a5 100644
--- a/substrate/frame/revive/rpc/examples/js/abi/revert.json
+++ b/substrate/frame/revive/rpc/examples/js/abi/revert.json
@@ -1,14 +1,14 @@
 [
-  {
-    "inputs": [],
-    "stateMutability": "nonpayable",
-    "type": "constructor"
-  },
-  {
-    "inputs": [],
-    "name": "doRevert",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  }
-]
\ No newline at end of file
+	{
+		"inputs": [],
+		"stateMutability": "nonpayable",
+		"type": "constructor"
+	},
+	{
+		"inputs": [],
+		"name": "doRevert",
+		"outputs": [],
+		"stateMutability": "nonpayable",
+		"type": "function"
+	}
+]
diff --git a/substrate/frame/revive/rpc/examples/js/index.html b/substrate/frame/revive/rpc/examples/js/index.html
index 052daf2787f6..97efebe180ea 100644
--- a/substrate/frame/revive/rpc/examples/js/index.html
+++ b/substrate/frame/revive/rpc/examples/js/index.html
@@ -1,29 +1,38 @@
 <!doctype html>
 <html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <link rel="icon" href="https://polkadot.com/favicon.ico">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>MetaMask Playground</title>
-    <style>
-	  input { width: 300px; margin-right: 10px; }
+	<head>
+		<meta charset="UTF-8" />
+		<link rel="icon" href="https://polkadot.com/favicon.ico" />
+		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
+		<title>MetaMask Playground</title>
+		<style>
+			input {
+				width: 300px;
+				margin-right: 10px;
+			}
 
-      button {
-        display: block;
-        margin-bottom: 10px;
-      }
-    </style>
-  </head>
-  <body>
-    <input id="transferInput" type="text" style="float: left" placeholder="Destination address" value="0x3cd0a705a2dc65e5b1e1205896baa2be8a07c6e0" />
-    <button id="transferButton">Transfer coins</button>
+			button {
+				display: block;
+				margin-bottom: 10px;
+			}
+		</style>
+	</head>
+	<body>
+		<input
+			id="transferInput"
+			type="text"
+			style="float: left"
+			placeholder="Destination address"
+			value="0x3cd0a705a2dc65e5b1e1205896baa2be8a07c6e0"
+		/>
+		<button id="transferButton">Transfer coins</button>
 
-    <button id="deployButton">Deploy Contract</button>
+		<button id="deployButton">Deploy Contract</button>
 
-    <input id="callInput" type="text" style="float: left" placeholder="Contract address" />
-    <button id="callButton">Call Contract</button>
+		<input id="callInput" type="text" style="float: left" placeholder="Contract address" />
+		<button id="callButton">Call Contract</button>
 
-    <button id="deployAndCallButton">Deploy and Call Contract</button>
-    <script type="module" src="src/web.ts"></script>
-  </body>
+		<button id="deployAndCallButton">Deploy and Call Contract</button>
+		<script type="module" src="src/web.ts"></script>
+	</body>
 </html>
diff --git a/substrate/frame/revive/rpc/examples/js/package-lock.json b/substrate/frame/revive/rpc/examples/js/package-lock.json
index f1453eae64cc..5c7db0abc936 100644
--- a/substrate/frame/revive/rpc/examples/js/package-lock.json
+++ b/substrate/frame/revive/rpc/examples/js/package-lock.json
@@ -1,443 +1,443 @@
 {
-  "name": "demo",
-  "version": "0.0.0",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "demo",
-      "version": "0.0.0",
-      "dependencies": {
-        "ethers": "^6.13.1",
-        "solc": "^0.8.28"
-      },
-      "devDependencies": {
-        "typescript": "^5.5.3",
-        "vite": "^5.4.8"
-      }
-    },
-    "node_modules/@adraffy/ens-normalize": {
-      "version": "1.10.1",
-      "license": "MIT"
-    },
-    "node_modules/@esbuild/linux-x64": {
-      "version": "0.21.5",
-      "cpu": [
-        "x64"
-      ],
-      "dev": true,
-      "license": "MIT",
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@noble/curves": {
-      "version": "1.2.0",
-      "license": "MIT",
-      "dependencies": {
-        "@noble/hashes": "1.3.2"
-      },
-      "funding": {
-        "url": "https://paulmillr.com/funding/"
-      }
-    },
-    "node_modules/@noble/hashes": {
-      "version": "1.3.2",
-      "license": "MIT",
-      "engines": {
-        "node": ">= 16"
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-      "funding": {
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-      }
-    },
-    "node_modules/@rollup/rollup-linux-x64-gnu": {
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-      "dev": true,
-      "license": "MIT",
-      "optional": true,
-      "os": [
-        "linux"
-      ]
-    },
-    "node_modules/@rollup/rollup-linux-x64-musl": {
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+		"node_modules/aes-js": {
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+			"license": "MIT",
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+				"@esbuild/sunos-x64": "0.21.5",
+				"@esbuild/win32-arm64": "0.21.5",
+				"@esbuild/win32-ia32": "0.21.5",
+				"@esbuild/win32-x64": "0.21.5"
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+		"node_modules/ethers": {
+			"version": "6.13.3",
+			"funding": [
+				{
+					"type": "individual",
+					"url": "https://github.com/sponsors/ethers-io/"
+				},
+				{
+					"type": "individual",
+					"url": "https://www.buymeacoffee.com/ricmoo"
+				}
+			],
+			"license": "MIT",
+			"dependencies": {
+				"@adraffy/ens-normalize": "1.10.1",
+				"@noble/curves": "1.2.0",
+				"@noble/hashes": "1.3.2",
+				"@types/node": "18.15.13",
+				"aes-js": "4.0.0-beta.5",
+				"tslib": "2.4.0",
+				"ws": "8.17.1"
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+			"funding": [
+				{
+					"type": "individual",
+					"url": "https://github.com/sponsors/RubenVerborgh"
+				}
+			],
+			"license": "MIT",
+			"engines": {
+				"node": ">=4.0"
+			},
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+			"license": "MIT"
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+		"node_modules/memorystream": {
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+			"resolved": "https://registry.npmjs.org/memorystream/-/memorystream-0.3.1.tgz",
+			"integrity": "sha512-S3UwM3yj5mtUSEfP41UZmt/0SCoVYUcU1rkXv+BQ5Ig8ndL4sPoJNBUJERafdPb5jjHJGuMgytgKvKIf58XNBw==",
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+			"dev": true,
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+					"type": "opencollective",
+					"url": "https://opencollective.com/postcss/"
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+					"url": "https://tidelift.com/funding/github/npm/postcss"
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+					"url": "https://github.com/sponsors/ai"
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+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
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+				"@rollup/rollup-android-arm64": "4.24.0",
+				"@rollup/rollup-darwin-arm64": "4.24.0",
+				"@rollup/rollup-darwin-x64": "4.24.0",
+				"@rollup/rollup-linux-arm-gnueabihf": "4.24.0",
+				"@rollup/rollup-linux-arm-musleabihf": "4.24.0",
+				"@rollup/rollup-linux-arm64-gnu": "4.24.0",
+				"@rollup/rollup-linux-arm64-musl": "4.24.0",
+				"@rollup/rollup-linux-powerpc64le-gnu": "4.24.0",
+				"@rollup/rollup-linux-riscv64-gnu": "4.24.0",
+				"@rollup/rollup-linux-s390x-gnu": "4.24.0",
+				"@rollup/rollup-linux-x64-gnu": "4.24.0",
+				"@rollup/rollup-linux-x64-musl": "4.24.0",
+				"@rollup/rollup-win32-arm64-msvc": "4.24.0",
+				"@rollup/rollup-win32-ia32-msvc": "4.24.0",
+				"@rollup/rollup-win32-x64-msvc": "4.24.0",
+				"fsevents": "~2.3.2"
+			}
+		},
+		"node_modules/semver": {
+			"version": "5.7.2",
+			"resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",
+			"integrity": "sha512-cBznnQ9KjJqU67B52RMC65CMarK2600WFnbkcaiwWq3xy/5haFJlshgnpjovMVJ+Hff49d8GEn0b87C5pDQ10g==",
+			"license": "ISC",
+			"bin": {
+				"semver": "bin/semver"
+			}
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+		"node_modules/solc": {
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+			"license": "MIT",
+			"dependencies": {
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+				"commander": "^8.1.0",
+				"follow-redirects": "^1.12.1",
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+				"memorystream": "^0.3.1",
+				"semver": "^5.5.0",
+				"tmp": "0.0.33"
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+				"solcjs": "solc.js"
+			},
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+				"node": ">=10.0.0"
+			}
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+		"node_modules/source-map-js": {
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+			"license": "MIT",
+			"dependencies": {
+				"os-tmpdir": "~1.0.2"
+			},
+			"engines": {
+				"node": ">=0.6.0"
+			}
+		},
+		"node_modules/tslib": {
+			"version": "2.4.0",
+			"license": "0BSD"
+		},
+		"node_modules/typescript": {
+			"version": "5.6.3",
+			"dev": true,
+			"license": "Apache-2.0",
+			"bin": {
+				"tsc": "bin/tsc",
+				"tsserver": "bin/tsserver"
+			},
+			"engines": {
+				"node": ">=14.17"
+			}
+		},
+		"node_modules/vite": {
+			"version": "5.4.8",
+			"dev": true,
+			"license": "MIT",
+			"dependencies": {
+				"esbuild": "^0.21.3",
+				"postcss": "^8.4.43",
+				"rollup": "^4.20.0"
+			},
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+				"vite": "bin/vite.js"
+			},
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+				"node": "^18.0.0 || >=20.0.0"
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+			"funding": {
+				"url": "https://github.com/vitejs/vite?sponsor=1"
+			},
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+				"less": "*",
+				"lightningcss": "^1.21.0",
+				"sass": "*",
+				"sass-embedded": "*",
+				"stylus": "*",
+				"sugarss": "*",
+				"terser": "^5.4.0"
+			},
+			"peerDependenciesMeta": {
+				"@types/node": {
+					"optional": true
+				},
+				"less": {
+					"optional": true
+				},
+				"lightningcss": {
+					"optional": true
+				},
+				"sass": {
+					"optional": true
+				},
+				"sass-embedded": {
+					"optional": true
+				},
+				"stylus": {
+					"optional": true
+				},
+				"sugarss": {
+					"optional": true
+				},
+				"terser": {
+					"optional": true
+				}
+			}
+		},
+		"node_modules/ws": {
+			"version": "8.17.1",
+			"license": "MIT",
+			"engines": {
+				"node": ">=10.0.0"
+			},
+			"peerDependencies": {
+				"bufferutil": "^4.0.1",
+				"utf-8-validate": ">=5.0.2"
+			},
+			"peerDependenciesMeta": {
+				"bufferutil": {
+					"optional": true
+				},
+				"utf-8-validate": {
+					"optional": true
+				}
+			}
+		}
+	}
 }
diff --git a/substrate/frame/revive/rpc/examples/js/tsconfig.json b/substrate/frame/revive/rpc/examples/js/tsconfig.json
index 0511b9f0e041..55cb8379e886 100644
--- a/substrate/frame/revive/rpc/examples/js/tsconfig.json
+++ b/substrate/frame/revive/rpc/examples/js/tsconfig.json
@@ -1,23 +1,23 @@
 {
-  "compilerOptions": {
-    "target": "ES2020",
-    "useDefineForClassFields": true,
-    "module": "ESNext",
-    "lib": ["ES2020", "DOM", "DOM.Iterable"],
-    "skipLibCheck": true,
+	"compilerOptions": {
+		"target": "ES2020",
+		"useDefineForClassFields": true,
+		"module": "ESNext",
+		"lib": ["ES2020", "DOM", "DOM.Iterable"],
+		"skipLibCheck": true,
 
-    /* Bundler mode */
-    "moduleResolution": "bundler",
-    "allowImportingTsExtensions": true,
-    "isolatedModules": true,
-    "moduleDetection": "force",
-    "noEmit": true,
+		/* Bundler mode */
+		"moduleResolution": "bundler",
+		"allowImportingTsExtensions": true,
+		"isolatedModules": true,
+		"moduleDetection": "force",
+		"noEmit": true,
 
-    /* Linting */
-    "strict": true,
-    "noUnusedLocals": true,
-    "noUnusedParameters": true,
-    "noFallthroughCasesInSwitch": true
-  },
-  "include": ["src"]
+		/* Linting */
+		"strict": true,
+		"noUnusedLocals": true,
+		"noUnusedParameters": true,
+		"noFallthroughCasesInSwitch": true
+	},
+	"include": ["src"]
 }