import * as fs from 'fs';
import {toUtf8String,parseUnits,ContractFactory, parseEther,JsonRpcProvider, ethers ,Contract, JsonRpcSigner, Wallet,ContractTransactionResponse, MaxInt256
    ,Transaction,formatEther,
    decodeBase64
} from 'ethers'

// const chainRpc = 'http://193.123.252.127';
// const port = ':80';
const chainRpc = 'http://localhost';
const port = ':21001';

// const chainRpc = 'http://10.96.35.108';
// const port = ':8545';

const rpcUrl = chainRpc + port;
const provider = new JsonRpcProvider(rpcUrl);


async function getValidators(): Promise<any> {
    const url = rpcUrl;
    const res = await fetch(url,{
        method: 'POST',
        headers: { 
            'Content-Type' :'application/json',
        },
        body: JSON.stringify({  
            jsonrpc: "2.0",
            id: 1,
            method: "qbft_getValidatorsByBlockNumber",
            params: ["latest"]
        })
    });

    const json = await res.json();
    // console.log(await res.json());

    return json;
}

async function getBlockNumber(validatorAddress: string) : Promise<number> {

    //eth_blockNumber
    const url = rpcUrl;
    const res = await fetch(url,{
        method: 'POST',
        headers: { 
            'Content-Type' :'application/json',
        },
        body: JSON.stringify({  
            jsonrpc: "2.0",
            id: 1,
            method: "eth_blockNumber",
            params: [""]
        })
    });

    const json = await res.json();
    //console.log(await res.json());

    return json.result;

    return 0;
}

async function getAddress(privateKey: string): Promise<string> {

    const wallet = new Wallet(privateKey, provider);
    return wallet.address;
}



const genesisFile = './blockchain-info/genesis.json';
const secretsFile = './blockchain-info/validator1.secret.json';
async function main() {

    // let json = fs.readFileSync(genesisFile);
    // const genesis = JSON.parse(json.toString());
    // console.log('genesis.json 정보')
    // console.log('genesis.config = ')
    // console.log(genesis.config);
    // console.log(`최대 블록 크기 (gasLimit) : ${genesis.gasLimit}`);

    // // 벨리데이터 노드 어드레스 가져오기
    // const validators = (await getValidators()).result;
    // console.log(validators);
    
    // // validator 1 노드의 노드키에서 유도된 주소를 확인 (벨리데이터 노드의 주소목록에 있는지 확인)
    // json = fs.readFileSync(secretsFile);
    // const secrets = JSON.parse(json.toString());
    // let nodeAddress = Buffer.from(secrets.data.nodekey,'base64').toString('utf8');
    // nodeAddress = await getAddress(nodeAddress);
    // console.log(nodeAddress);

    // const found = validators.find((el) => el == nodeAddress.toLowerCase());
    // console.log(`node address ${found} is found on validators`);

    let bn = await getBlockNumber(chainRpc + '21001');
    console.log(bn);

    bn = await getBlockNumber(chainRpc + '21002');
    console.log(bn);

    bn = await getBlockNumber(chainRpc + '21003');
    console.log(bn);

    bn = await getBlockNumber(chainRpc + '21004');
    console.log(bn);

}

main();