function saveWallet(filename, walletData) {
  return new Promise((resolve, reject) => {
    fs.writeFile(filename, JSON.stringify(walletData, null, 2), function(err) {
      if (err) return reject(console.error(err))

      //console.log(`${name}.json written successfully.`)
      return resolve()
    })
  })
}
function saveWallet(filename, walletData) {
  return new Promise((resolve, reject) => {
    fs.writeFile(filename, JSON.stringify(walletData, null, 2), function(err) {
      if (err) return reject(console.error(err))

      
      return resolve()
    })
  })
}
function saveWallet ( filename , walletData ) { return new Promise ( ( resolve , reject ) => { fs . writeFile ( filename , JSON . stringify ( walletData , null , 2 ) , function ( err ) { if ( err ) return reject ( console . error ( err ) ) //console.log(`${name}.json written successfully.`) return resolve ( ) } ) } ) }
Save a wallet to a file.
Save a wallet to a file .