sendHelper

gistfile1.txt

export function sendHelper(tx) {
  return new Promise((resolve, reject) => {
    tx()
      .on('transactionHash', txHash => {
        const txState = 'Pending'
        addTransaction({ txHash, txState })
        resolve(txHash)
      })
      .on('receipt', receipt => {
        const txHash = receipt.transactionHash
        const txState = 'Confirmed'
        addTransaction({ txHash, txState })
      })
  })
}