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refactor - Faucet: clean up faucet API & pow utils (#627)
* fix: clean up faucet utils and return types * fix: organize utils
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| import { | ||
| ChallengeResponse, | ||
| Data, | ||
| ErrorResponse, | ||
| SettingsResponse, | ||
| TransferResponse, | ||
| } from "./types"; | ||
|
|
||
| enum Endpoint { | ||
| Settings = "/setting", | ||
| Challenge = "/challenge", | ||
| Transfer = "", | ||
| } | ||
|
|
||
| export class API { | ||
| constructor(protected readonly url: string) {} | ||
|
|
||
| /** | ||
| * Wrapper for fetch requests to handle ReadableStream response when errors are received from API | ||
| * | ||
| * @param {string} endpoint | ||
| * @param {RequestInit} options | ||
| * | ||
| * @returns Object | ||
| */ | ||
| async request<T = unknown>( | ||
| endpoint: string, | ||
| options: RequestInit = { method: "GET" } | ||
| ): Promise<T> { | ||
| return await fetch(new URL(`${this.url}${endpoint}`), { | ||
| ...options, | ||
| }) | ||
| .then((response) => { | ||
| if (response.ok) { | ||
| return response.json(); | ||
| } | ||
| const reader = response?.body?.getReader(); | ||
| const errors = reader | ||
| ?.read() | ||
| .then( | ||
| (data): Promise<ErrorResponse> => | ||
| Promise.reject(JSON.parse(new TextDecoder().decode(data.value))) | ||
| ); | ||
| if (!errors) { | ||
| throw new Error("Unable to parse error response"); | ||
| } | ||
| return errors; | ||
| }) | ||
| .catch((e) => { | ||
| console.error(e); | ||
| return Promise.reject(e); | ||
| }); | ||
| } | ||
|
|
||
| /** | ||
| * Request faucet settings | ||
| * | ||
| * @returns Object | ||
| */ | ||
| async settings(): Promise<SettingsResponse> { | ||
| return this.request(Endpoint.Settings); | ||
| } | ||
|
|
||
| /** | ||
| * Request challenge from endpoint url | ||
| * | ||
| * @param {string} publicKey | ||
| * @returns Object | ||
| */ | ||
| async challenge(publicKey: string): Promise<ChallengeResponse> { | ||
| return this.request(`${Endpoint.Challenge}/${publicKey}`); | ||
| } | ||
|
|
||
| /** | ||
| * Submit a transfer request | ||
| * | ||
| * @param {Data} data | ||
| * @returns {Object} | ||
| */ | ||
| async submitTransfer(data: Data): Promise<TransferResponse> { | ||
| return this.request(Endpoint.Transfer, { | ||
| method: "POST", | ||
| body: JSON.stringify(data), | ||
| headers: { | ||
| "Content-Type": "application/json", | ||
| }, | ||
| }); | ||
| } | ||
| } |
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