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receive_sats_state.dart
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receive_sats_state.dart
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import 'package:equatable/equatable.dart';
import 'package:flutter/material.dart';
import 'package:kumuly_pocket/constants.dart';
import 'package:kumuly_pocket/view_models/invoice.dart';
@immutable
class ReceiveSatsState extends Equatable {
const ReceiveSatsState({
required this.amountController,
this.amountSat,
// this.label, Todo: add label with default value being the name of the user
this.description,
required this.descriptionController,
required this.hoursTillExpiry,
required this.hoursTillExpiryController,
this.feeEstimate,
this.onChainMaxAmount,
this.onChainMinAmount,
this.assumeFee = false,
this.invoice,
this.onChainAddress,
this.isFetchingEditedInvoice = false,
});
final TextEditingController amountController;
final int? amountSat;
final int hoursTillExpiry;
final TextEditingController hoursTillExpiryController;
final String? description;
final TextEditingController descriptionController;
final int? feeEstimate;
final int? onChainMaxAmount;
final int? onChainMinAmount;
final bool assumeFee;
final Invoice? invoice;
final String? onChainAddress;
final bool isFetchingEditedInvoice;
ReceiveSatsState copyWith({
TextEditingController? amountController,
int? amountSat,
String? description,
TextEditingController? descriptionController,
int? hoursTillExpiry,
TextEditingController? hoursTillExpiryController,
int? feeEstimate,
int? onChainMaxAmount,
int? onChainMinAmount,
bool? assumeFee,
Invoice? invoice,
String? onChainAddress,
bool? isFetchingEditedInvoice,
}) {
return ReceiveSatsState(
amountController: amountController ?? this.amountController,
amountSat: amountSat ?? this.amountSat,
description: description ?? this.description,
descriptionController:
descriptionController ?? this.descriptionController,
hoursTillExpiry: hoursTillExpiry ?? this.hoursTillExpiry,
hoursTillExpiryController:
hoursTillExpiryController ?? this.hoursTillExpiryController,
feeEstimate: feeEstimate ?? this.feeEstimate,
onChainMaxAmount: onChainMaxAmount ?? this.onChainMaxAmount,
onChainMinAmount: onChainMinAmount ?? this.onChainMinAmount,
assumeFee: assumeFee ?? this.assumeFee,
invoice: invoice ?? this.invoice,
onChainAddress: onChainAddress ?? this.onChainAddress,
isFetchingEditedInvoice:
isFetchingEditedInvoice ?? this.isFetchingEditedInvoice,
);
}
int? get amountToReceiveSat {
if (amountSat == null || feeEstimate == null) {
return null;
}
if (assumeFee) {
return amountSat! - feeEstimate!;
} else {
return amountSat;
}
}
int? get amountToPaySat {
if (amountSat == null || feeEstimate == null) {
return null;
}
if (assumeFee) {
return amountSat;
} else {
return amountSat! + feeEstimate!;
}
}
String? get partialOnChainAddress => onChainAddress == null ||
onChainAddress!.isEmpty
? null
: '${onChainAddress!.substring(0, 8)}...${onChainAddress!.substring(onChainAddress!.length - 8)}';
String? get partialInvoice => invoice == null || invoice!.bolt11.isEmpty
? null
: '${invoice!.bolt11.substring(0, 8)}...${invoice!.bolt11.substring(invoice!.bolt11.length - 8)}';
String? get bip21Uri {
if (invoice == null || invoice!.bolt11.isEmpty) {
return null;
}
if (!isSwapInPossible) {
return invoice!.bolt11;
}
return 'bitcoin:$onChainAddress?'
'amount=${amountToPaySat! / 100000000.toDouble()}&'
'${description != null && description!.isNotEmpty ? 'message=$description&' : ''}'
'lightning=${invoice!.bolt11}';
}
bool get isSwapInPossible {
if (onChainAddress == null || onChainAddress!.isEmpty) {
return false;
}
if (amountToPaySat! > onChainMaxAmount!) {
return false;
}
if (amountToPaySat! < onChainMinAmount!) {
return false;
}
return true;
}
bool get isAmountTooSmallForSwapIn {
if (onChainAddress == null || onChainAddress!.isEmpty) {
return false;
}
if (amountToPaySat! < onChainMinAmount!) {
return true;
}
return false;
}
bool get isAmountTooBigForSwapIn {
if (onChainAddress == null || onChainAddress!.isEmpty) {
return false;
}
if (amountToPaySat! > onChainMaxAmount!) {
return true;
}
return false;
}
int get expiry {
return hoursTillExpiry * 60 * 60;
}
String get formattedExpiryPreview {
final DateTime date;
if (hoursTillExpiryController.text == '') {
date = DateTime.now()
.add(const Duration(hours: kDefaultHoursTillInvoiceExpiry));
} else {
date = DateTime.now()
.add(Duration(hours: int.parse(hoursTillExpiryController.text)));
}
return '${date.day}/${date.month}/${date.year} ${date.hour}:${date.minute}';
}
String get formattedExpiry {
final DateTime date = DateTime.now().add(Duration(hours: hoursTillExpiry));
return '${date.day}/${date.month}/${date.year} ${date.hour}:${date.minute}';
}
@override
List<Object?> get props => [
amountController,
amountSat,
description,
descriptionController,
hoursTillExpiry,
hoursTillExpiryController,
feeEstimate,
onChainMaxAmount,
onChainMinAmount,
assumeFee,
invoice,
onChainAddress,
isFetchingEditedInvoice,
];
}