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@ingocollatz/sdk-web3-adapter

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import { AbiEncoder } from "@ingocollatz/sdk-interfaces"; import Web3 from "web3"; export class Web3AbiEncoder implements AbiEncoder { private readonly _web3: Web3; /** * Constructs an instance of the Web3AbiEncoder. * * @param web3 - An instance of the web3.js library. */ constructor(web3: Web3) { this._web3 = web3; } /** * Encodes the ABI call data for a specific function using the web3.js library. * * Given a contract ABI, a function name, and the function's arguments, it will generate * the call data string which can be used to invoke the specific function on the Ethereum blockchain. * * @param abi - The ABI (Application Binary Interface) of the smart contract. * @param functionName - The name of the function to encode. * @param args - The arguments to pass to the function. * * @returns A promise that resolves to the encoded call data string. * * @throws Will throw an error if: * - The provided ABI, function name, or args are invalid or not compatible. * - Encoding fails due to any reason. */ async encodeCallData( abi: any, functionName: string, args: any[] ): Promise<any> { const contract = new this._web3.eth.Contract(abi); const callData = await contract.methods[functionName](...args).encodeABI(); return callData; } }