pyth-network_pyth-crosschain/target_chains/ethereum/contracts/mine.js

/*
    This script advances Ganache network state. It runs as a sidecar pod alongside the devnet and
    ensures that manual token transfers triggered through the web UI will be able to be confirmed.
 */

advanceBlock = () => {
  return new Promise((resolve, reject) => {
    web3.currentProvider.send(
      {
        jsonrpc: "2.0",
        method: "evm_mine",
        id: new Date().getTime(),
      },
      (err, result) => {
        if (err) {
          return reject(err);
        }
        const newBlockHash = web3.eth.getBlock("latest").hash;

        return resolve(newBlockHash);
      },
    );
  });
};

function sleep(ms) {
  return new Promise((resolve) => setTimeout(resolve, ms));
}

module.exports = function (callback) {
  const fn = async () => {
    while (true) {
      console.log(await advanceBlock());
      await sleep(1000);
    }
  };

  fn().catch((reason) => console.error(reason));
};