40 lines
962 B
TypeScript
40 lines
962 B
TypeScript
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import * as fs from 'fs';
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import config from '../../config';
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import logger from '../../logger';
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class Icons {
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private static FILE_NAME = './icons.json';
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private iconIds: string[] = [];
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private icons: { [assetId: string]: string; } = {};
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constructor() {
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if (config.MEMPOOL.NETWORK !== 'liquid') {
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return;
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}
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if (!fs.existsSync(Icons.FILE_NAME)) {
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logger.warn(`${Icons.FILE_NAME} does not exist. No Liquid icons loaded.`);
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return;
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}
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const cacheData = fs.readFileSync(Icons.FILE_NAME, 'utf8');
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this.icons = JSON.parse(cacheData);
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for (const i in this.icons) {
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this.iconIds.push(i);
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}
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logger.debug(`Liquid icons has been loaded.`);
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}
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public getIconByAssetId(assetId: string): Buffer | undefined {
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const icon = this.icons[assetId];
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if (icon) {
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return Buffer.from(icon, 'base64');
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}
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}
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public getAllIconIds() {
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return this.iconIds;
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}
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}
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export default new Icons();
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