mirror of
https://github.com/cake-tech/cake_wallet.git
synced 2024-12-23 03:59:23 +00:00
72 lines
2.8 KiB
Dart
72 lines
2.8 KiB
Dart
import 'package:decimal/decimal.dart';
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import 'package:decimal/intl.dart';
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import 'package:intl/intl.dart';
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import 'package:cw_core/crypto_currency.dart';
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class AmountConverter {
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static const _moneroAmountLength = 12;
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static const _moneroAmountDivider = 1000000000000;
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static const _wowneroAmountLength = 11;
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static const _wowneroAmountDivider = 100000000000;
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static const _bitcoinAmountDivider = 100000000;
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static const _bitcoinAmountLength = 8;
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static final _bitcoinAmountFormat = NumberFormat()
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..maximumFractionDigits = _bitcoinAmountLength
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..minimumFractionDigits = 1;
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static final _moneroAmountFormat = NumberFormat()
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..maximumFractionDigits = _moneroAmountLength
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..minimumFractionDigits = 1;
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static final _wowneroAmountFormat = NumberFormat()
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..maximumFractionDigits = _wowneroAmountLength
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..minimumFractionDigits = 1;
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static String amountIntToString(CryptoCurrency cryptoCurrency, int amount) {
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switch (cryptoCurrency) {
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case CryptoCurrency.xmr:
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return _moneroAmountToString(amount);
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case CryptoCurrency.wow:
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return _wowneroAmountToString(amount);
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case CryptoCurrency.btc:
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case CryptoCurrency.bch:
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case CryptoCurrency.ltc:
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return _bitcoinAmountToString(amount);
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case CryptoCurrency.xhv:
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case CryptoCurrency.xag:
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case CryptoCurrency.xau:
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case CryptoCurrency.xaud:
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case CryptoCurrency.xbtc:
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case CryptoCurrency.xcad:
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case CryptoCurrency.xchf:
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case CryptoCurrency.xcny:
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case CryptoCurrency.xeur:
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case CryptoCurrency.xgbp:
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case CryptoCurrency.xjpy:
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case CryptoCurrency.xnok:
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case CryptoCurrency.xnzd:
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case CryptoCurrency.xusd:
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return _moneroAmountToString(amount);
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case CryptoCurrency.zano:
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return _moneroAmountToStringUsingDecimals(amount);
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default:
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return '';
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}
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}
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static double cryptoAmountToDouble({required num amount, required num divider}) =>
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amount / divider;
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static String _moneroAmountToString(int amount) => _moneroAmountFormat
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.format(cryptoAmountToDouble(amount: amount, divider: _moneroAmountDivider));
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static String _bitcoinAmountToString(int amount) => _bitcoinAmountFormat
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.format(cryptoAmountToDouble(amount: amount, divider: _bitcoinAmountDivider));
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static String _wowneroAmountToString(int amount) => _wowneroAmountFormat
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.format(cryptoAmountToDouble(amount: amount, divider: _wowneroAmountDivider));
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static Decimal cryptoAmountToDecimal({required int amount, required int divider}) =>
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(Decimal.fromInt(amount) / Decimal.fromInt(divider)).toDecimal();
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static String _moneroAmountToStringUsingDecimals(int amount) => _moneroAmountFormat.format(
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DecimalIntl(cryptoAmountToDecimal(amount: amount, divider: _moneroAmountDivider)));
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}
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