src/components/layout/save/action.js

   1 import {
   2   spendUTXOAction, spendWalletAction, controlProgramAction,
   3   controlAddressAction, listDappUTXO, updateUtxo, updateBalances,
   4   contractArguments
   5 } from '../../bytom'
   6 import GetContractArgs from '../../constants'
   7 import BigNumber from 'bignumber.js'
   8
   9 export function FixedLimitDeposit(account, amount, address) {
  10   return new Promise((resolve, reject) => {
  11     return listDappUTXO({
  12       "program": GetContractArgs().depositProgram,
  13       "asset": GetContractArgs().assetBill,
  14       "sort": {
  15         "by":"amount",
  16         "order":"desc"
  17       }
  18     }).then(resp => {
  19       if(resp.length === 0) {
  20         throw 'cannot load UTXO info.'
  21       }
  22
  23       const result = resp[0]
  24       const billAmount = result.amount
  25       const billAsset = result.asset
  26       const utxo = result.hash
  27
  28       if(amount > billAmount){
  29         throw 'input amount must be smaller or equal to ' + billAmount +'.'
  30       }else{
  31         const input = []
  32         const output = []
  33
  34         const args = contractArguments(amount, address)
  35
  36         input.push(spendUTXOAction(utxo))
  37         input.push(spendWalletAction(amount, GetContractArgs().assetDeposited))
  38
  39         if(amount < billAmount){
  40           output.push(controlProgramAction(amount, GetContractArgs().assetDeposited, GetContractArgs().profitProgram))
  41           output.push(controlAddressAction(amount, billAsset, address))
  42           output.push(controlProgramAction((BigNumber(billAmount).minus(BigNumber(amount))).toNumber(), billAsset, GetContractArgs().depositProgram))
  43         }else{
  44           output.push(controlProgramAction(amount, GetContractArgs().assetDeposited, GetContractArgs().profitProgram))
  45           output.push(controlAddressAction(billAmount, billAsset, address))
  46         }
  47
  48         window.bytom.advancedTransfer(account, input, output, GetContractArgs().gas*10000000, args, 1)
  49           .then((resp) => {
  50             if(resp.action === 'reject'){
  51               reject('user reject the request')
  52             }else if(resp.action === 'success'){
  53               updateUtxo({"hash": utxo})
  54                 .then(()=>{
  55                   updateBalances({
  56                     "tx_id": resp.message.result.data.transaction_hash,
  57                     address,
  58                     "asset": GetContractArgs().assetDeposited,
  59                     "amount": -amount
  60                   }).then(()=>{
  61                     updateBalances({
  62                       "tx_id": resp.message.result.data.transaction_hash,
  63                       address,
  64                       "asset": GetContractArgs().assetBill,
  65                       "amount": amount
  66                     }).then(()=>{
  67                       resolve()
  68                     }).catch(err => {
  69                       throw err
  70                     })
  71                   }).catch(err => {
  72                     throw err
  73                   })
  74                 })
  75                 .catch(err => {
  76                   throw err
  77                 })
  78             }
  79           })
  80           .catch(err => {
  81             throw err
  82           })
  83       }
  84     }).catch(err => {
  85       reject(err)
  86     })
  87   })
  88 }