/**
 * Transfers sp or sbd to another account
 * @param {String} wif - active key of the account we want to transfer from
 * @param {String} from - account who will send the tokens
 * @param {String} to - account who will recieve the tokens
 * @param {String} amount - Amount of tokens that you want to send, note that it must be written like this : x.xxx unit eg : '1.265 STEEM' or '44.000 SBD'
 "X.XXX STEEM" must have 3 decimal places. e.g. "25.100 STEEM". Must be denominated in STEEM
 * @param {String} memo - text you want to add to your transfer
 */
function transfer(wif, from, to, amount, memo)
{
    steem.broadcast.transfer(wif, from, to, amount, memo, function(err, result) {
        console.log(err, result);
    });
}
// example (note, you can send transfers to yourself)
transfer("wif", "howo", "howo", "0.001 SBD", "You are awesome ! take some tokens")

eg:
async transferSteem(){
  let from = "timool"
  let to = "lemooljiang"
  let wif = "5KNxxxxxxxxxxxxxxxx"
  let amount = "100.200 STEEM"
  let memo = "测试"
  await  this.steem.broadcast.transferAsync(wif, from, to, amount, memo)
},

async steemTransfer() {
  try{
    this.isLoading = true
    this.exchangeFlag = false
    let from = this.$store.state.username
    let to = this.to
    let active
    if(this.$store.state.active === null){
        active = this.active
    }else{
        active = this.$store.state.active
    }
    let ss = parseFloat(this.steemvalue).toFixed(3)
    let amount = ss+' STEEM'
    // let amount = "100.200 STEEM"
    let memo = addr+" +"+ss+' TSTEEM'
    await  this.steem.broadcast.transferAsync(active, from, to, amount, memo)
    this.steemvalue = ''
    this.isLoading = false
  }
  catch(e){
      this.isLoading = false
      alert("错误\n" + e)
  }
},