zvcjs

Instructions for use

npm install zvcjs

zvcjs

const zvcjs = require("zvcjs");

use zvcjs api. See details https://github.com/zvchain/zvchain/wiki/rpc_api_en

SendTransaction Dom

const addr = "xxxxxxxxxxxxxxx", //user addrs
  sk = "xxxxxxxxxxxxxxxxxxxx"; // user privKey

zvcjs.api.newApi("http://node1.zvchain.io:8101"); //test net work
const SignAndSendTransaction = async (
  sk,
  source,
  target,
  value,
  gasLimit,
  gasPrice,
  typ,
  data,
  extra
) => {
  let nonce = await zvcjs.api.GetNonce(addr).then(res => res.data.result);
  const tx = zvcjs.account.genHash({
    src: source, // string
    target, // string
    value, // string
    gasLimit, // string
    gasPrice, // string
    nonce, // string
    typ, // string
    data, // base64
    extra // base64
  });
  const signString = zvcjs.sign.getSigner(
    Buffer.from(tx.substr(2), "hex"),
    Buffer.from(sk.substr(2).padStart(64, "0"), "hex")
  );
  return zvcjs.api.SendTransaction({
    source: source,
    target: target,
    value: parseInt(value),
    gas_limit: parseInt(gasLimit),
    gas_price: parseInt(gasPrice),
    type: parseInt(typ),
    nonce: parseInt(nonce),
    data: data,
    sign: signString,
    extra_data: extra
  });
};

SignAndSendTransaction(
  sk,
  addr,
  addr,
  "1000000000000",
  "10000",
  "500",
  "0",
  "JXU4RkQ5JXU5MUNDJXU2NjJGJXU4OTgxJXU1MkEwJXU1QkM2JXU3Njg0JXU1MTg1JXU1QkI5MTIzNDU2",
  "JXU4RkQ5JXU5MUNDJXU2NjJGJXU4OTgxJXU1MkEwJXU1QkM2JXU3Njg0JXU1MTg1JXU1QkI5MTIzNDU2"
)
  .then(res => {
    console.log(res);
  })
  .catch(err => {
    console.log("Wrong reques");
  });

ex:

/*api rpc  */

zvcjs.api.newApi("http://node1.zvchain.io:8101"); //test net work

// GetblockHeight
zvcjs.api.GetblockHeight().then(res => {
  console.log(res);
});
zvcjs.api
  .GetBlockByHeight(298253)
  .then(res => {
    console.log(res);
  })
  .catch(err => {
    console.log("Wrong reques");
  });

// GetTransactionByHash
zvcjs.api
  .GetTransactionByHash(
    "0x015d771f4d31ee64fb964bc163f2479b6ba15d78555e936868ad24cca55909be "
  )
  .then(res => {
    console.log(res);
  })
  .catch(err => {
    console.log("Wrong reques");
  });
// GetBlockHashByHeight
zvcjs.api
  .GetBlockHashByHeight(2119)
  .then(res => {
    console.log(res);
  })
  .catch(err => {
    console.log("Wrong reques");
  });

// get Balance
zvcjs.api
  .Balance("zv9eae37dbc0c3a076fe9981fbb050ebd29dfa9f3a6b1a4a8ef91e9604356e8801")
  .then(res => {
    console.log(res);
  })
  .catch(err => {
    console.log("Wrong reques");
  });
//get stake minerInfo
zvcjs.api
  .minerInfo(
    "zvbef13adcc9eda3514c4d8e1a11301c7ecde13d39e8d8b4bf2a9f1459b6a82923",
    "zvbef13adcc9eda3514c4d8e1a11301c7ecde13d39e8d8b4bf2a9f1459b6a82923"
  )
  .then(res => {
    console.log(res);
  })
  .catch(err => {
    console.log("Wrong reques");
  });

// createdPrivKeyAndpubKeyAndaddr
const PrivKeyAndpubKeyAndaddr = zvcjs.account.createdPrivKeyAndpubKeyAndaddr();

/**
 * Send transaction
 *  1.set network
 *  1.get addr  sk
 *  2. get nonce  note async
 *  3.getTx
 *  4.getSigner
 *  5.SendTransaction
 */
const addr = "XXXXXXXXXXXX",
  sk = "XXXXXXXXXXX",
  nonce = "";
// get nonce
zvcjs.api // async
  .GetNonce(addr)
  .then(res => {
    nonce = res.data.result;
  })
  .catch(err => {
    console.log("Wrong reques");
  });
// get hash
const tx = zvcjs.account.genHash({
  src: addr,
  target: addr,
  value: "1000000000",
  gasLimit: "10000",
  gasPrice: "500",
  nonce: nonce + "",
  typ: "0",
  data:
    "JXU4RkQ5JXU5MUNDJXU2NjJGJXU4OTgxJXU1MkEwJXU1QkM2JXU3Njg0JXU1MTg1JXU1QkI5MTIzNDU2", // base64
  extra:
    "JXU4RkQ5JXU5MUNDJXU2NjJGJXU4OTgxJXU1MkEwJXU1QkM2JXU3Njg0JXU1MTg1JXU1QkI5MTIzNDU2" // base64
});
//get Signer
const txbuf = Buffer.from(tx.substr(2), "hex"),
  privatekeybuf = Buffer.from(sk.substr(2).padStart(64, "0"), "hex"); // 64 langht

const signString = zvcjs.sign.getSigner(txbuf, privatekeybuf);
// SendTransaction
zvcjs.api
  .SendTransaction({
    source: addr,
    target: addr,
    value: 1000000000,
    gas_limit: 10000,
    gas_price: 500,
    type: 0,
    nonce: nonce,
    data:
      "JXU4RkQ5JXU5MUNDJXU2NjJGJXU4OTgxJXU1MkEwJXU1QkM2JXU3Njg0JXU1MTg1JXU1QkI5MTIzNDU2", // base64
    sign: signString,
    extra_data:
      "JXU4RkQ5JXU5MUNDJXU2NjJGJXU4OTgxJXU1MkEwJXU1QkM2JXU3Njg0JXU1MTg1JXU1QkI5MTIzNDU2" // base64
  })
  .then(res => {
    console.log(res);
  })
  .catch(err => {
    console.log("Wrong reques");
  });

zvcjs.api
  .Balance(addr)
  .then(res => {
    console.log(res);
  })
  .catch(err => {
    console.log("Wrong reques");
  });