From b16ad10031fb18c9b0952d886863c8359aa45e0e Mon Sep 17 00:00:00 2001 From: gnomadic Date: Wed, 29 Jun 2022 16:55:54 -0400 Subject: [PATCH] adding web3 headers --- js/src/api.ts | 41 +++- package-lock.json | 508 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 545 insertions(+), 4 deletions(-) create mode 100644 package-lock.json diff --git a/js/src/api.ts b/js/src/api.ts index 6e64156..2cc1661 100644 --- a/js/src/api.ts +++ b/js/src/api.ts @@ -8,6 +8,9 @@ import { } from "./types"; import axios, { AxiosError } from "axios"; import { UnexpectedSDKError } from "./errors"; +import * as dotenv from "dotenv"; +dotenv.config({ path: "./.env" }); +import { ethers } from "ethers"; const PARSE_ERROR_MSG = "the api returned an error and there was a fatal client side error parsing that error msg"; @@ -15,6 +18,9 @@ const PARSE_ERROR_MSG = export class API implements ApiClient { #baseUrl: string; #headers: Record; + #signer: ethers.Signer; + #NFT: ethers.Contract; + constructor(baseUrl: string, apiKey: string) { this.#baseUrl = baseUrl; @@ -23,23 +29,49 @@ export class API implements ApiClient { "Content-Type": "application/json", "x-api-key": apiKey, }; + const provider = new ethers.providers.JsonRpcProvider(process.env.NETWORK); + const privateKey = process.env.PRIVATE_KEY as any; + this.#signer = new ethers.Wallet(privateKey, provider); + + let abi = ["function hashPayload(string memory timestamp, string memory url) pure returns (bytes32) "]; + let contractAddress = ""; + this.#NFT = new ethers.Contract(contractAddress, abi, this.#signer); + } getUrl(path: string): string { return `${this.#baseUrl}/${path}`; } + async getHeaders(url: string): Promise> { + + let time = new Date().toISOString(); + let web3Headers: Record = { + "web3-sign": await this.hashAndSignPayload(url, time), + "web3-time": time, + }; + return { ...this.#headers, ...web3Headers }; + } + + async hashAndSignPayload(url: string, timestamp: string): Promise { + var messageHash = await this.#NFT.hashPayload(timestamp, url); + let messageHashBytes = ethers.utils.arrayify(messageHash); + let flatSig = await this.#signer.signMessage(messageHashBytes); + return flatSig; + } + async createQuery(query: Query): Promise { let result; + let url = this.getUrl("queries"); try { result = await axios.post( - this.getUrl("queries"), + url { sql: query.sql, ttl_minutes: query.ttlMinutes, cached: query.cached, }, - { headers: this.#headers } + { headers: await this.getHeaders(url) } ); } catch (err) { let errData = err as AxiosError; @@ -66,10 +98,11 @@ export class API implements ApiClient { async getQueryResult(queryID: string): Promise { let result; + let url = this.getUrl(`queries/${queryID}`); try { - result = await axios.get(this.getUrl(`queries/${queryID}`), { + result = await axios.get(url, { method: "GET", - headers: this.#headers, + headers: await this.getHeaders(url) }); } catch (err) { let errData = err as AxiosError; diff --git a/package-lock.json 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