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move amount_converter to cw_core (#588)

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Co-authored-by: Serhii <borodenko.sv@gmail.com>
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mkyq 2022-11-03 14:45:50 -04:00 • committed by GitHub
parent b27b55388c
commit 8e70b611d0
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4 changed files with 11 additions and 19 deletions
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137
cw_core/lib/amount_converter.dart Normal file
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import 'package:intl/intl.dart';
import 'package:cw_core/crypto_currency.dart';
class AmountConverter {
static const _moneroAmountLength = 12;
static const _moneroAmountDivider = 1000000000000;
static const _litecoinAmountDivider = 100000000;
static const _ethereumAmountDivider = 1000000000000000000;
static const _dashAmountDivider = 100000000;
static const _bitcoinCashAmountDivider = 100000000;
static const _bitcoinAmountDivider = 100000000;
static const _bitcoinAmountLength = 8;
static final _bitcoinAmountFormat = NumberFormat()
..maximumFractionDigits = _bitcoinAmountLength
..minimumFractionDigits = 1;
static final _moneroAmountFormat = NumberFormat()
..maximumFractionDigits = _moneroAmountLength
..minimumFractionDigits = 1;
static double amountIntToDouble(CryptoCurrency cryptoCurrency, int amount) {
switch (cryptoCurrency) {
case CryptoCurrency.xmr:
return _moneroAmountToDouble(amount);
case CryptoCurrency.btc:
return _bitcoinAmountToDouble(amount);
case CryptoCurrency.bch:
return _bitcoinCashAmountToDouble(amount);
case CryptoCurrency.dash:
return _dashAmountToDouble(amount);
case CryptoCurrency.eth:
return _ethereumAmountToDouble(amount);
case CryptoCurrency.ltc:
return _litecoinAmountToDouble(amount);
case CryptoCurrency.xhv:
case CryptoCurrency.xag:
case CryptoCurrency.xau:
case CryptoCurrency.xaud:
case CryptoCurrency.xbtc:
case CryptoCurrency.xcad:
case CryptoCurrency.xchf:
case CryptoCurrency.xcny:
case CryptoCurrency.xeur:
case CryptoCurrency.xgbp:
case CryptoCurrency.xjpy:
case CryptoCurrency.xnok:
case CryptoCurrency.xnzd:
case CryptoCurrency.xusd:
return _moneroAmountToDouble(amount);
default:
return 0.0;
}
}
static int amountStringToInt(CryptoCurrency cryptoCurrency, String amount) {
switch (cryptoCurrency) {
case CryptoCurrency.xmr:
return _moneroParseAmount(amount);
case CryptoCurrency.xhv:
case CryptoCurrency.xag:
case CryptoCurrency.xau:
case CryptoCurrency.xaud:
case CryptoCurrency.xbtc:
case CryptoCurrency.xcad:
case CryptoCurrency.xchf:
case CryptoCurrency.xcny:
case CryptoCurrency.xeur:
case CryptoCurrency.xgbp:
case CryptoCurrency.xjpy:
case CryptoCurrency.xnok:
case CryptoCurrency.xnzd:
case CryptoCurrency.xusd:
return _moneroParseAmount(amount);
default:
return 0;
}
}
static String amountIntToString(CryptoCurrency cryptoCurrency, int amount) {
switch (cryptoCurrency) {
case CryptoCurrency.xmr:
return _moneroAmountToString(amount);
case CryptoCurrency.btc:
return _bitcoinAmountToString(amount);
case CryptoCurrency.xhv:
case CryptoCurrency.xag:
case CryptoCurrency.xau:
case CryptoCurrency.xaud:
case CryptoCurrency.xbtc:
case CryptoCurrency.xcad:
case CryptoCurrency.xchf:
case CryptoCurrency.xcny:
case CryptoCurrency.xeur:
case CryptoCurrency.xgbp:
case CryptoCurrency.xjpy:
case CryptoCurrency.xnok:
case CryptoCurrency.xnzd:
case CryptoCurrency.xusd:
return _moneroAmountToString(amount);
default:
return '';
}
}
static double cryptoAmountToDouble({required num amount, required num divider}) =>
amount / divider;
static String _moneroAmountToString(int amount) => _moneroAmountFormat.format(
cryptoAmountToDouble(amount: amount, divider: _moneroAmountDivider));
static double _moneroAmountToDouble(int amount) =>
cryptoAmountToDouble(amount: amount, divider: _moneroAmountDivider);
static int _moneroParseAmount(String amount) =>
_moneroAmountFormat.parse(amount).toInt();
static String _bitcoinAmountToString(int amount) =>
_bitcoinAmountFormat.format(
cryptoAmountToDouble(amount: amount, divider: _bitcoinAmountDivider));
static double _bitcoinAmountToDouble(int amount) =>
cryptoAmountToDouble(amount: amount, divider: _bitcoinAmountDivider);
static int _doubleToBitcoinAmount(double amount) =>
(amount * _bitcoinAmountDivider).toInt();
static double _bitcoinCashAmountToDouble(int amount) =>
cryptoAmountToDouble(amount: amount, divider: _bitcoinCashAmountDivider);
static double _dashAmountToDouble(int amount) =>
cryptoAmountToDouble(amount: amount, divider: _dashAmountDivider);
static double _ethereumAmountToDouble(num amount) =>
cryptoAmountToDouble(amount: amount, divider: _ethereumAmountDivider);
static double _litecoinAmountToDouble(int amount) =>
cryptoAmountToDouble(amount: amount, divider: _litecoinAmountDivider);
}