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CAKE-168 | fixed blockheight calculation by date; changed getHeightByDate method; changed first date in the date picker to 1 of May, 2014

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This commit is contained in:
OleksandrSobol 2020-11-12 17:46:05 +02:00
parent 37d3bf3fa9
commit 70467b1fe7
2 changed files with 18 additions and 23 deletions
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39
lib/monero/get_height_by_date.dart
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@ -85,34 +85,29 @@ final dates = {
"2020-11": 2221803
};
final heightCoefficient = 0.7;
int getHeigthByDate({DateTime date}) {
final raw = '${date.year}' + '-' + '${date.month}';
var endHeight = dates[raw] ?? 0;
int preLastYear = date.year;
int preLastMonth = date.month - 1;
final lastHeight = dates.values.last;
int startHeight;
int endHeight;
int height;
if (endHeight <= 0) {
if ((dates[raw] == null)||(dates[raw] == lastHeight)) {
startHeight = dates.values.toList()[dates.length - 2];
endHeight = dates.values.toList()[dates.length - 1];
final preLastDate =
dateFormat.parse(dates.keys.elementAt(dates.keys.length - 2));
preLastYear = preLastDate.year;
preLastMonth = preLastDate.month;
final heightPerDay = (endHeight - startHeight) / 31;
final daysHeight = (heightCoefficient * date.day * heightPerDay).round();
height = endHeight + daysHeight;
} else {
preLastYear = date.year;
preLastMonth = date.month - 1;
}
if (preLastMonth <= 0) {
preLastMonth = 12;
preLastYear -= 1;
}
final startRaw = '$preLastYear' + '-' + '$preLastMonth';
final startHeight = dates[startRaw];
final diff = endHeight - startHeight;
final heightPerDay = diff / 30;
startHeight = dates[raw];
final index = dates.values.toList().indexOf(startHeight);
endHeight = dates.values.toList()[index + 1];
final heightPerDay = (endHeight - startHeight) / 31;
final daysHeight = date.day * heightPerDay.round();
final height = endHeight + daysHeight;
height = startHeight + daysHeight;
}
return height;
}

2
lib/src/widgets/blockchain_height_widget.dart
View file

@ -92,7 +92,7 @@ class BlockchainHeightState extends State<BlockchainHeightWidget> {
final date = await getDate(
context: context,
initialDate: now.subtract(Duration(days: 1)),
firstDate: DateTime(2014, DateTime.april),
firstDate: DateTime(2014, DateTime.may),
lastDate: now);
if (date != null) {