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Bugfix: Liquid asset issuance / circulating / burned amounts are missing decimal point

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fixes #112
This commit is contained in:
softsimon 2020-09-29 03:54:56 +07:00
parent 64244228ea
commit dfaa73803e
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GPG Key ID: 488D7DCFB5A430D7
3 changed files with 73 additions and 6 deletions
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62
frontend/src/app/bitcoin.utils.ts
View File

@ -63,6 +63,68 @@ export function calcSegwitFeeGains(tx: Transaction) {
};
}
// https://github.com/shesek/move-decimal-point
export function moveDec(num: number, n: number) {
let frac, int, neg, ref;
if (n === 0) {
return num;
}
ref = ('' + num).split('.'), int = ref[0], frac = ref[1];
int || (int = '0');
frac || (frac = '0');
neg = (int[0] === '-' ? '-' : '');
if (neg) {
int = int.slice(1);
}
if (n > 0) {
if (n > frac.length) {
frac += zeros(n - frac.length);
}
int += frac.slice(0, n);
frac = frac.slice(n);
} else {
n = n * -1;
if (n > int.length) {
int = (zeros(n - int.length)) + int;
}
frac = int.slice(n * -1) + frac;
int = int.slice(0, n * -1);
}
while (int[0] === '0') {
int = int.slice(1);
}
while (frac[frac.length - 1] === '0') {
frac = frac.slice(0, -1);
}
return neg + (int || '0') + (frac.length ? '.' + frac : '');
}
function zeros(n) {
return new Array(n + 1).join('0');
}
// Formats a number for display. Treats the number as a string to avoid rounding errors.
export const formatNumber = (s, precision = null) => {
let [ whole, dec ] = s.toString().split('.');
// divide numbers into groups of three separated with a thin space (U+202F, "NARROW NO-BREAK SPACE"),
// but only when there are more than a total of 5 non-decimal digits.
if (whole.length >= 5) {
whole = whole.replace(/\B(?=(\d{3})+(?!\d))/g, '\u202F');
}
if (precision != null && precision > 0) {
if (dec == null) {
dec = '0'.repeat(precision);
}
else if (dec.length < precision) {
dec += '0'.repeat(precision - dec.length);
}
}
return whole + (dec != null ? '.' + dec : '');
};
// Utilities for segwitFeeGains
const witnessSize = (vin: Vin) => vin.witness.reduce((S, w) => S + (w.length / 2), 0);
const scriptSigSize = (vin: Vin) => vin.scriptsig ? vin.scriptsig.length / 2 : 0;

12
frontend/src/app/components/asset/asset.component.html
View File

@ -41,27 +41,27 @@
<tbody>
<tr *ngIf="isNativeAsset">
<td>Pegged in</td>
<td>{{ asset.chain_stats.peg_in_amount / 100000000 | number: '1.0-' + assetContract[3] }} {{ assetContract[1] }}</td>
<td>{{ formatAmount(asset.chain_stats.peg_in_amount, assetContract[3]) | number: '1.0-' + assetContract[3] }} {{ assetContract[1] }}</td>
</tr>
<tr *ngIf="isNativeAsset">
<td>Pegged out</td>
<td>{{ asset.chain_stats.peg_out_amount / 100000000 | number: '1.0-' + assetContract[3] }} {{ assetContract[1] }}</td>
<td>{{ formatAmount(asset.chain_stats.peg_out_amount, assetContract[3]) | number: '1.0-' + assetContract[3] }} {{ assetContract[1] }}</td>
</tr>
<tr *ngIf="!isNativeAsset">
<td>Issued amount</td>
<td>{{ asset.chain_stats.issued_amount / 100000000| number: '1.0-' + assetContract[3] }} {{ assetContract[1] }}</td>
<td>{{ formatAmount(asset.chain_stats.issued_amount, assetContract[3]) | number: '1.0-' + assetContract[3] }} {{ assetContract[1] }}</td>
</tr>
<tr>
<td>Burned amount</td>
<td>{{ asset.chain_stats.burned_amount / 100000000 | number: '1.0-' + assetContract[3] }} {{ assetContract[1] }}</td>
<td>{{ formatAmount(asset.chain_stats.burned_amount, assetContract[3]) | number: '1.0-' + assetContract[3] }} {{ assetContract[1] }}</td>
</tr>
<tr *ngIf="!isNativeAsset">
<td>Circulating amount</td>
<td>{{ (asset.chain_stats.issued_amount - asset.chain_stats.burned_amount) / 100000000 | number: '1.0-' + assetContract[3] }} {{ assetContract[1] }}</td>
<td>{{ formatAmount(asset.chain_stats.issued_amount - asset.chain_stats.burned_amount, assetContract[3]) | number: '1.0-' + assetContract[3] }} {{ assetContract[1] }}</td>
</tr>
<tr *ngIf="isNativeAsset">
<td>Circulating amount</td>
<td>{{ (asset.chain_stats.peg_in_amount - asset.chain_stats.burned_amount - asset.chain_stats.peg_out_amount) / 100000000 | number: '1.0-' + assetContract[3] }} {{ assetContract[1] }}</td>
<td>{{ formatAmount(asset.chain_stats.peg_in_amount - asset.chain_stats.burned_amount - asset.chain_stats.peg_out_amount, assetContract[3]) | number: '1.0-' + assetContract[3] }} {{ assetContract[1] }}</td>
</tr>
</tbody>
</table>

5
frontend/src/app/components/asset/asset.component.ts
View File

@ -11,6 +11,7 @@ import { of, merge, Subscription, combineLatest } from 'rxjs';
import { SeoService } from 'src/app/services/seo.service';
import { environment } from 'src/environments/environment';
import { AssetsService } from 'src/app/services/assets.service';
import { formatNumber, moveDec } from 'src/app/bitcoin.utils';
@Component({
selector: 'app-asset',
@ -189,6 +190,10 @@ export class AssetComponent implements OnInit, OnDestroy {
this.totalConfirmedTxCount = this.asset.chain_stats.tx_count;
}
formatAmount(value: number, precision = 0): number | string {
return moveDec(value, -precision);
}
ngOnDestroy() {
this.mainSubscription.unsubscribe();
this.websocketService.stopTrackingAsset();