synkrokonn-dev/dist/adapters/EthereumAdapter.js

Plugin-based cross-chain orchestration middleware for Web3 enterprise automation.

import { ethers } from 'ethers';
export class EthereumAdapter {
    constructor(rpcUrl, privateKey) {
        if (!privateKey || !privateKey.match(/^([0-9a-fA-F]{64})$/)) {
            throw new Error("Invalid or missing PRIVATE_KEY");
        }
        console.log("PRIVATE_KEY loaded (first 8 chars):", privateKey.slice(0, 8));
        this.provider = new ethers.JsonRpcProvider(rpcUrl);
        this.wallet = new ethers.Wallet(privateKey, this.provider);
    }
    async getAccountAddress() {
        return await this.wallet.getAddress();
    }
    async sendTransaction(contractAddress, functionName, args) {
        const abi = [`function ${functionName}(${args.types.join(',')})`];
        const contract = new ethers.Contract(contractAddress, abi, this.wallet);
        const isReadOnly = functionName.toLowerCase().startsWith("get") ||
            functionName.toLowerCase().startsWith("read");
        if (isReadOnly) {
            const result = await contract.callStatic[functionName](...args.values);
            console.log("Read-only result:", result);
            return result;
        }
        const tx = await contract[functionName](...args.values);
        await tx.wait();
        return tx.hash;
    }
    async listenToEvents(contractAddress, abi, callback) {
        const contract = new ethers.Contract(contractAddress, abi, this.wallet);
        contract.on("*", callback);
        console.log(`Listening to events from ${contractAddress}`);
    }
}