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| import { fetchSolc } from "web-solc"; | |
| import "./App.css"; | |
| import { | |
| ISolidityCompiler, | |
| SolidityCompilation, | |
| SolidityJsonInput, | |
| } from "@ethereum-sourcify/lib-sourcify"; | |
| async function getCompilation() { | |
| const sources = { | |
| "project:/contracts/Storage.sol": { | |
| content: `// SPDX-License-Identifier: GPL-3.0 | |
| pragma solidity >=0.7.0 <0.9.0; | |
| /** | |
| * @title Storage | |
| * @dev Store & retrieve value in a variable | |
| */ | |
| contract Storage { | |
| uint256 number; | |
| /** | |
| * @dev Store value in variable | |
| * @param num value to store | |
| */ | |
| function store(uint256 num) public { | |
| number = num; | |
| } | |
| /** | |
| * @dev Return value | |
| * @return value of 'number' | |
| */ | |
| function retrieve() public view returns (uint256){ | |
| return number; | |
| } | |
| } | |
| `, | |
| }, | |
| }; | |
| class Solc implements ISolidityCompiler { | |
| async compile( | |
| version: string, | |
| solcJsonInput: SolidityJsonInput | |
| // eslint-disable-next-line @typescript-eslint/no-explicit-any | |
| ): Promise<any> { | |
| const { compile } = await fetchSolc(version); | |
| return await compile(solcJsonInput); | |
| } | |
| } | |
| const solc = new Solc(); | |
| const compilation = new SolidityCompilation( | |
| solc, | |
| "0.8.4+commit.c7e474f2", | |
| { | |
| language: "Solidity", | |
| sources, | |
| settings: { | |
| evmVersion: "istanbul", | |
| libraries: {}, | |
| metadata: { bytecodeHash: "ipfs" }, | |
| optimizer: { enabled: false, runs: 200 }, | |
| remappings: [], | |
| outputSelection: { | |
| "*": ["abi", "evm.bytecode", "evm.deployedBytecode"], | |
| }, | |
| }, | |
| }, | |
| { | |
| path: "project:/contracts/Storage.sol", | |
| name: "Storage", | |
| } | |
| ); | |
| await compilation.compile(); | |
| console.log(compilation.runtimeBytecode); | |
| } | |
| function App() { | |
| return ( | |
| <> | |
| <button onClick={() => getCompilation()}>Get Compilation</button> | |
| </> | |
| ); | |
| } | |
| export default App; |
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