docs: function estimateContractGas(payload) {
    const {
      props,
      contractInstance,
    } = payload
  
    const {
      args,
      from,
      method,
    } = props
  
    // Extend contract method args. Add transaction object as last argument
    const transactionObject = { from }
    args.push(transactionObject)
  
    return txUtils.estimateContractGas(contractInstance[method], args)
  }