David Disu
3 years ago
committed by
GitHub
commit
3f9953f4b3
@ -1,82 +0,0 @@ |
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import * as packageJson from '../../../../../package.json' |
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import { Plugin } from '@remixproject/engine' |
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import Web3 from 'web3' |
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const yo = require('yo-yo') |
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const modalDialogCustom = require('../ui/modal-dialog-custom') |
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|
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const profile = { |
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name: 'hardhat-provider', |
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displayName: 'Hardhat Provider', |
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kind: 'provider', |
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description: 'Hardhat provider', |
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methods: ['sendAsync'], |
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version: packageJson.version |
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} |
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export default class HardhatProvider extends Plugin { |
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constructor (blockchain) { |
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super(profile) |
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this.provider = null |
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this.blocked = false // used to block any call when trying to recover after a failed connection.
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this.blockchain = blockchain |
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} |
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onDeactivation () { |
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this.provider = null |
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this.blocked = false |
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} |
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hardhatProviderDialogBody () { |
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return yo` |
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<div class=""> |
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Note: To run Hardhat network node on your system, go to hardhat project folder and run command: |
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<div class="border p-1">npx hardhat node</div> |
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<br> |
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For more info, visit: <a href="https://hardhat.org/getting-started/#connecting-a-wallet-or-dapp-to-hardhat-network" target="_blank">Hardhat Documentation</a> |
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<br><br> |
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Hardhat JSON-RPC Endpoint |
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</div> |
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` |
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} |
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sendAsync (data) { |
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return new Promise((resolve, reject) => { |
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if (this.blocked) return reject(new Error('provider unable to connect')) |
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// If provider is not set, allow to open modal only when provider is trying to connect
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if (!this.provider) { |
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modalDialogCustom.prompt('Hardhat node request', this.hardhatProviderDialogBody(), 'http://127.0.0.1:8545', (target) => { |
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this.provider = new Web3.providers.HttpProvider(target) |
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this.sendAsyncInternal(data, resolve, reject) |
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}, () => { |
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this.sendAsyncInternal(data, resolve, reject) |
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}) |
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} else { |
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this.sendAsyncInternal(data, resolve, reject) |
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} |
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}) |
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} |
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sendAsyncInternal (data, resolve, reject) { |
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if (this.provider) { |
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// Check the case where current environment is VM on UI and it still sends RPC requests
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// This will be displayed on UI tooltip as 'cannot get account list: Environment Updated !!'
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if (this.blockchain.getProvider() !== 'Hardhat Provider' && data.method !== 'net_listening') return reject(new Error('Environment Updated !!')) |
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this.provider[this.provider.sendAsync ? 'sendAsync' : 'send'](data, async (error, message) => { |
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if (error) { |
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this.blocked = true |
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modalDialogCustom.alert('Hardhat Provider', `Error while connecting to the hardhat provider: ${error.message}`) |
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await this.call('udapp', 'setEnvironmentMode', { context: 'vm', fork: 'london' }) |
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this.provider = null |
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setTimeout(_ => { this.blocked = false }, 1000) // we wait 1 second for letting remix to switch to vm
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return reject(error) |
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} |
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resolve(message) |
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}) |
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} else { |
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const result = data.method === 'net_listening' ? 'canceled' : [] |
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resolve({ jsonrpc: '2.0', result: result, id: data.id }) |
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} |
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} |
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} |
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module.exports = HardhatProvider |
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@ -0,0 +1,128 @@ |
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import * as packageJson from '../../../../../package.json' |
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import { Plugin } from '@remixproject/engine' |
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import { AppModal, AlertModal, ModalTypes } from '@remix-ui/app' |
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import React from 'react' // eslint-disable-line
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import { Blockchain } from '../../blockchain/blockchain' |
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import { ethers } from 'ethers' |
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const profile = { |
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name: 'hardhat-provider', |
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displayName: 'Hardhat Provider', |
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kind: 'provider', |
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description: 'Hardhat provider', |
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methods: ['sendAsync'], |
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version: packageJson.version |
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} |
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type JsonDataRequest = { |
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id: number, |
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jsonrpc: string // version
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method: string, |
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params: Array<any>, |
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} |
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type JsonDataResult = { |
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id: number, |
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jsonrpc: string // version
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result: any |
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} |
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type RejectRequest = (error: Error) => void |
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type SuccessRequest = (data: JsonDataResult) => void |
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export class HardhatProvider extends Plugin { |
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provider: ethers.providers.JsonRpcProvider |
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blocked: boolean |
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blockchain: Blockchain |
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target: String |
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constructor (blockchain) { |
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super(profile) |
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this.provider = null |
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this.blocked = false // used to block any call when trying to recover after a failed connection.
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this.blockchain = blockchain |
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} |
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onDeactivation () { |
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this.provider = null |
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this.blocked = false |
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} |
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hardhatProviderDialogBody (): JSX.Element { |
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return (<div> Note: To run Hardhat network node on your system, go to hardhat project folder and run command: |
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<div className="border p-1">npx hardhat node</div>
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For more info, visit: <a href="https://hardhat.org/getting-started/#connecting-a-wallet-or-dapp-to-hardhat-network" target="_blank">Hardhat Documentation</a>
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Hardhat JSON-RPC Endpoint |
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</div>) |
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} |
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sendAsync (data: JsonDataRequest): Promise<any> { |
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return new Promise(async (resolve, reject) => { |
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if (this.blocked) return reject(new Error('provider unable to connect')) |
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// If provider is not set, allow to open modal only when provider is trying to connect
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if (!this.provider) { |
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let value: string |
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try { |
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value = await ((): Promise<string> => { |
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return new Promise((resolve, reject) => { |
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const modalContent: AppModal = { |
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id: 'harrhatprovider', |
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title: 'Hardhat node request', |
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message: this.hardhatProviderDialogBody(), |
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modalType: ModalTypes.prompt, |
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okLabel: 'OK', |
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cancelLabel: 'Cancel', |
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okFn: (value: string) => { |
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setTimeout(() => resolve(value), 0) |
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}, |
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cancelFn: () => { |
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setTimeout(() => reject(new Error('Canceled')), 0) |
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}, |
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hideFn: () => { |
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setTimeout(() => reject(new Error('Hide')), 0) |
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}, |
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defaultValue: 'http://127.0.0.1:8545' |
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} |
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this.call('modal', 'modal', modalContent) |
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}) |
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})() |
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} catch (e) { |
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// the modal has been canceled/hide
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return |
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}
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this.provider = new ethers.providers.JsonRpcProvider(value) |
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this.sendAsyncInternal(data, resolve, reject)
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} else { |
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this.sendAsyncInternal(data, resolve, reject) |
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} |
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}) |
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} |
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private async sendAsyncInternal (data: JsonDataRequest, resolve: SuccessRequest, reject: RejectRequest): Promise<void> { |
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if (this.provider) { |
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// Check the case where current environment is VM on UI and it still sends RPC requests
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// This will be displayed on UI tooltip as 'cannot get account list: Environment Updated !!'
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if (this.blockchain.getProvider() !== 'Hardhat Provider' && data.method !== 'net_listening') return reject(new Error('Environment Updated !!')) |
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try { |
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const result = await this.provider.send(data.method, data.params) |
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resolve({ jsonrpc: '2.0', result, id: data.id }) |
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} catch (error) { |
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this.blocked = true |
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const modalContent: AlertModal = { |
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id: 'harrhatprovider', |
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title: 'Hardhat Provider', |
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message: `Error while connecting to the hardhat provider: ${error.message}`, |
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} |
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this.call('modal', 'alert', modalContent) |
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await this.call('udapp', 'setEnvironmentMode', { context: 'vm', fork: 'london' }) |
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this.provider = null |
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setTimeout(_ => { this.blocked = false }, 1000) // we wait 1 second for letting remix to switch to vm
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reject(error) |
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} |
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} else { |
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const result = data.method === 'net_listening' ? 'canceled' : [] |
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resolve({ jsonrpc: '2.0', result: result, id: data.id }) |
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} |
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} |
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} |
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