ZKUtility

class ZKUtility

Module containing utility methods. Import ZKUtility module from react-native-zumo-kit package:

import { ZKUtility } from 'react-native-zumo-kit';

Utilities provided by ZKUtility module:

  • mnemonic phrase generation utility,
  • conversion utils between different Bitcoin and Ethereum units,
  • utils for Bitcoin and Ethereum address validation

Only once ZumoKit module is configured, ZKUtility module methods can be used. See ZumoKit for details.

Methods

ethToWei

ethToWei(number: String): String

Convert ETH to Wei.

ethToGwei

ethToGwei(number: String): String

Convert ETH to Gwei.

generateMnemonic

generateMnemonic(wordCount: Number): String

Generate mnemonic phrase. Accepted word counts are 12, 15, 18, 21 and 24.

Generated according to BIP39 standard.

getExchangeRates

getExchangeRates(): Promise<Object>

Returns the latest exchange rates between EUR/USD and BTC/ETH in the following JSON format:

{
   "ETH":{
      "USD":{
         "timestamp":1554470495,
         "value":"166.30"
      },
      "EUR":{
         "timestamp":1554470493,
         "value":"148.51"
      }
   },
   "BTC":{
      "USD":{
         "timestamp":1554470493,
         "value":"5029.44"
      },
      "EUR":{
         "timestamp":1554470493,
         "value":"4491.68"
      }
   }
}

getFiat

getFiat(eth: Number): Promise<number>

Converts the given ETH value into Fiat.

gweiToEth

gweiToEth(number: String): String

Convert Gwei to ETH.

gweiToWei

gweiToEth(number: String): String

Convert Wei To Gwei.

isValidBtcAddress

isValidBtcAddress(address: String): Bool

Validates BTC blockchain address.

isValidEthAddress

isValidEthAddress(address: String): Bool

Validates ETH blockchain address.

weiToEth

gweiToEth(number: String): String

Convert Wei To ETH.

weiToGwei

gweiToEth(number: String): String

Convert Wei to Gwei.

← WalletZumoKit →