问题描述
我是 ClojureScript 初学者,我正在尝试将我的应用连接到 Metamask 钱包。
import Web3 from "web3";
import detectEthereumProvider from "@Metamask/detect-provider";
window.addEventListener("load",async function () {
const provider = await detectEthereumProvider();
if (provider !== window.ethereum) {
reject("Failed to connect");
}
await provider.request({ method: "eth_requestAccounts" });
if (provider) {
const web3 = new Web3(provider);
}
})
所以我正在尝试将其翻译成 ClojureScript。这是我开始做的:
(ns token-stream.views
(:require
[re-frame.core :as re-frame]
[web3 :as web3]
["@Metamask/detect-provider" :as detectEthereumProvider]))
(detectEthereumProvider/detectEthereumProvider)
知道如何翻译 JS 代码吗?
请注意,我想互操作 web3.js 库(不使用 cljs-web3)。
谢谢
解决方法
我使用了 cljs-web3
:
部门:
[cljs-web3 "0.19.0-0-11"]
代码:
(require '[cljs-web3.core :as web3])
(require '[cljs-web3.eth :as web3.eth])
;; Create web3 instance from injected web3 (Mist / Metamask)
(web3/web3)
;; And then
(def provides-web3?
(boolean (aget js/window "web3")))
(def web3-instance js/web3
#_(web3/create-web3 "http://localhost:8545/"))
(def network-type
(case (web3/version-network web3-instance)
"1" :local-development ; FIXME: same as main-net
"2" :morden-network ; deprecated
"3" :ropsten-network
"4" :rinkeby-network
"42" :kovan-network
:unknown-network))
(println "account:" (first (web3.eth/accounts web3-instance)))