43 lines
1.3 KiB
TypeScript
43 lines
1.3 KiB
TypeScript
import * as BlueElectrum from '../blue_modules/BlueElectrum';
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export enum NetworkTransactionFeeType {
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FAST = 'Fast',
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MEDIUM = 'MEDIUM',
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SLOW = 'SLOW',
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CUSTOM = 'CUSTOM',
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}
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export class NetworkTransactionFee {
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static StorageKey = 'NetworkTransactionFee';
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public fastestFee: number;
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public mediumFee: number;
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public slowFee: number;
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constructor(fastestFee = 2, mediumFee = 1, slowFee = 1) {
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this.fastestFee = fastestFee;
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this.mediumFee = mediumFee;
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this.slowFee = slowFee;
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}
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}
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export default class NetworkTransactionFees {
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static async recommendedFees(): Promise<NetworkTransactionFee> {
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try {
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const isDisabled = await BlueElectrum.isDisabled();
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if (isDisabled) {
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throw new Error('Electrum is disabled. Dont attempt to fetch fees');
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}
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const response = await BlueElectrum.estimateFees();
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if (response.fast === response.medium) {
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// exception, if fees are equal lets bump priority fee + 1 so actual priority tx is above the rest
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return new NetworkTransactionFee(response.fast + 1, response.medium, response.slow);
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}
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return new NetworkTransactionFee(response.fast, response.medium, response.slow);
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} catch (err) {
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console.warn(err);
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return new NetworkTransactionFee(2, 1, 1);
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}
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}
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}
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