Merge pull request #69 from kremalicious/fix/web3

web3 component split-up

README.md

@@ -63,7 +63,7 @@ As a fallback, QR codes are generated with [react-qr-svg](https://github.com/no2
 
 If you want to know how this works, have a look at the respective components under
 
-- [`src/components/atoms/Web3Donation.jsx`](src/components/atoms/Web3Donation.jsx)
+- [`src/components/Web3Donation/index.jsx`](src/components/Web3Donation/index.jsx)
 - [`src/components/atoms/Qr.jsx`](src/components/atoms/Qr.jsx)
 
 ### 🕸 Related Posts

gatsby-config.js

@@ -91,22 +91,18 @@ module.exports = {
         // Attributes for custom indexing logic. See https://lunrjs.com/docs/lunr.Builder.html for details
         fields: [
           { name: 'title', store: true, attributes: { boost: 20 } },
-          { name: 'content' },
           { name: 'excerpt', attributes: { boost: 10 } },
-          { name: 'category', store: true, attributes: { boost: 5 } },
+          { name: 'tags', store: true, attributes: { boost: 5 } },
-          { name: 'tags', store: true },
+          { name: 'content' }
-          { name: 'url', store: true }
         ],
         // How to resolve each field's value for a supported node type
         resolvers: {
           // For any node of type MarkdownRemark, list how to resolve the fields' values
           MarkdownRemark: {
             title: node => node.frontmatter.title,
-            content: node => node.rawMarkdownBody,
+            excerpt: node => node.excerpt,
-            excerpt: node => node.frontmatter.excerpt,
-            category: node => node.frontmatter.category,
             tags: node => node.frontmatter.tags,
-            url: node => node.fields.slug
+            content: node => node.rawMarkdownBody
           }
         }
       }

src/components/Web3Donation/Alerts.jsx

@@ -0,0 +1,62 @@
+import React, { Fragment } from 'react'
+import PropTypes from 'prop-types'
+import styles from './Alerts.module.scss'
+
+const alertMessages = (networkName, transactionHash) => ({
+  noAccount:
+    'Web3 detected, but no account. Are you logged into your MetaMask account?',
+  noCorrectNetwork: `Please connect to <strong>Main</strong> network. You are on <strong>${networkName}</strong> right now.`,
+  noWeb3:
+    'No Web3 detected. Install <a href="https://metamask.io">MetaMask</a>, <a href="https://brave.com">Brave</a>, or <a href="https://github.com/ethereum/mist">Mist</a>.',
+  success: `You are awesome, thanks!<br />
+      <a href="https://etherscan.io/tx/${transactionHash}">
+        See your transaction on etherscan.io.
+      </a>`
+})
+
+const Alerts = ({
+  hasCorrectNetwork,
+  hasAccount,
+  networkName,
+  error,
+  transactionHash,
+  web3Connected
+}) => {
+  return !web3Connected ? (
+    <small dangerouslySetInnerHTML={{ __html: alertMessages().noWeb3 }} />
+  ) : (
+    <Fragment>
+      <div className={styles.alert}>
+        {!hasAccount && <div>{alertMessages().noaccount}</div>}
+        {!hasCorrectNetwork && (
+          <div
+            dangerouslySetInnerHTML={{
+              __html: alertMessages(networkName).noCorrectNetwork
+            }}
+          />
+        )}
+        {error && <div>{error.message}</div>}
+      </div>
+
+      {transactionHash && (
+        <div
+          className={styles.success}
+          dangerouslySetInnerHTML={{
+            __html: alertMessages(transactionHash).success
+          }}
+        />
+      )}
+    </Fragment>
+  )
+}
+
+Alerts.propTypes = {
+  hasCorrectNetwork: PropTypes.bool,
+  hasAccount: PropTypes.bool,
+  networkName: PropTypes.string,
+  error: PropTypes.object,
+  transactionHash: PropTypes.string,
+  web3Connected: PropTypes.bool
+}
+
+export default Alerts

src/components/Web3Donation/Alerts.module.scss

@@ -0,0 +1,13 @@
+@import 'variables';
+@import 'mixins';
+
+.alert {
+    margin-top: $spacer / 2;
+    font-size: $font-size-small;
+    color: darken($alert-error, 60%);
+}
+
+.success {
+    composes: alert;
+    color: darken($alert-success, 60%);
+}

src/components/Web3Donation/InputGroup.jsx

@@ -0,0 +1,49 @@
+import React, { PureComponent } from 'react'
+import PropTypes from 'prop-types'
+import Input from '../atoms/Input'
+import styles from './InputGroup.module.scss'
+
+export default class InputGroup extends PureComponent {
+  static propTypes = {
+    hasCorrectNetwork: PropTypes.bool,
+    hasAccount: PropTypes.bool,
+    amount: PropTypes.number,
+    onAmountChange: PropTypes.func,
+    handleButton: PropTypes.func
+  }
+
+  render() {
+    const {
+      hasCorrectNetwork,
+      hasAccount,
+      amount,
+      onAmountChange,
+      handleButton
+    } = this.props
+
+    return (
+      <div className={styles.inputGroup}>
+        <div className={styles.input}>
+          <Input
+            type="number"
+            disabled={!hasCorrectNetwork || !hasAccount}
+            value={amount}
+            onChange={onAmountChange}
+            min="0"
+            step="0.01"
+          />
+          <div className={styles.currency}>
+            <span>ETH</span>
+          </div>
+        </div>
+        <button
+          className="btn btn-primary"
+          onClick={handleButton}
+          disabled={!hasCorrectNetwork || !hasAccount}
+        >
+          Make it rain
+        </button>
+      </div>
+    )
+  }
+}

src/components/Web3Donation/InputGroup.module.scss

@@ -1,26 +1,6 @@
 @import 'variables';
 @import 'mixins';
 
-.web3 {
-    @include divider;
-
-    width: 100%;
-    text-align: center;
-    margin-top: $spacer / 2;
-    margin-bottom: $spacer;
-    padding-bottom: $spacer * 1.5;
-
-    small {
-        color: darken($alert-info, 60%);
-        margin-top: -($spacer / 2);
-        display: block;
-    }
-}
-
-.web3Row {
-    min-height: 58px;
-}
-
 .inputGroup {
     max-width: 17rem;
     margin: auto;
@@ -92,14 +72,3 @@
     display: flex;
     align-items: center;
 }
-
-.alert {
-    margin-top: $spacer / 2;
-    font-size: $font-size-small;
-    color: darken($alert-error, 60%);
-}
-
-.success {
-    composes: alert;
-    color: darken($alert-success, 60%);
-}

src/components/Web3Donation/index.jsx

@@ -1,94 +1,22 @@
 import React, { PureComponent } from 'react'
 import PropTypes from 'prop-types'
 import Web3 from 'web3'
-import Input from '../atoms/Input'
+import InputGroup from './InputGroup'
-import styles from './Web3Donation.module.scss'
+import Alerts from './Alerts'
+import styles from './index.module.scss'
+import { getNetworkName } from './utils'
 
 const ONE_SECOND = 1000
 const ONE_MINUTE = ONE_SECOND * 60
 
-const InputGroup = ({
-  networkId,
-  selectedAccount,
-  amount,
-  onAmountChange,
-  handleWeb3Button
-}) => (
-  <div className={styles.inputGroup}>
-    <div className={styles.input}>
-      <Input
-        type="number"
-        disabled={!(networkId === '1') || !selectedAccount}
-        value={amount}
-        onChange={onAmountChange}
-        min="0"
-        step="0.01"
-      />
-      <div className={styles.currency}>
-        <span>ETH</span>
-      </div>
-    </div>
-    <button
-      className="btn btn-primary"
-      onClick={handleWeb3Button}
-      disabled={!(networkId === '1') || !selectedAccount}
-    >
-      Make it rain
-    </button>
-  </div>
-)
-
-InputGroup.propTypes = {
-  networkId: PropTypes.string,
-  selectedAccount: PropTypes.string,
-  amount: PropTypes.number,
-  onAmountChange: PropTypes.func,
-  handleWeb3Button: PropTypes.func
-}
-
-const Alerts = ({ accounts, networkId, error, transactionHash }) => {
-  if (error || accounts.length === 0) {
-    return (
-      <div className={styles.alert}>
-        {accounts.length === 0 &&
-          'Web3 detected, but no account. Are you logged into your MetaMask account?'}
-        {networkId !== '1' && 'Please connect to Main network'}
-        {error && error.message}
-      </div>
-    )
-  }
-
-  if (transactionHash) {
-    return (
-      <div className={styles.success}>
-        You are awesome, thanks!
-        <br />
-        <a href={`https://etherscan.io/tx/${transactionHash}`}>
-          See your transaction on etherscan.io.
-        </a>
-      </div>
-    )
-  }
-
-  return null
-}
-
-Alerts.propTypes = {
-  accounts: PropTypes.array,
-  networkId: PropTypes.string,
-  error: PropTypes.object,
-  transactionHash: PropTypes.string
-}
-
 export default class Web3Donation extends PureComponent {
   state = {
     web3Connected: false,
-    networkError: null,
     networkId: null,
+    networkName: null,
     accounts: [],
     selectedAccount: null,
     amount: 0.01,
-    receipt: null,
     transactionHash: null,
     loading: false,
     error: null
@@ -103,28 +31,55 @@ export default class Web3Donation extends PureComponent {
   networkInterval = null
 
   componentDidMount() {
-    if (typeof window.web3 === 'undefined') {
+    this.initAllTheTings()
-      // no web3
+  }
-      this.setState({ web3Connected: false })
+
-    } else {
+  componentWillUnmount() {
+    this.resetAllTheThings()
+  }
+
+  // getPermissions = async ethereum => {
+  //   try {
+  //     // Request account access if needed
+  //     await ethereum.enable()
+  //   } catch (error) {
+  //     // User denied account access...
+  //     console.log(error)
+  //   }
+  // }
+
+  initAllTheTings() {
+    // Modern dapp browsers...
+    // if (window.ethereum) {
+    //   this.web3 = new Web3(window.ethereum)
+    //   this.setState({ web3Connected: true })
+    //   this.getPermissions(this.web3.eth)
+    // }
+
+    // Legacy dapp browsers...
+    if (window.web3) {
       // this.web3 = new Web3(Web3.givenProvider || 'ws://localhost:8546')
       this.web3 = new Web3(window.web3.currentProvider)
       this.setState({ web3Connected: true })
 
       this.fetchAccounts()
       this.fetchNetwork()
-      this.initPoll()
+      this.initAccountsPoll()
       this.initNetworkPoll()
     }
+    // Non-dapp browsers...
+    else {
+      this.setState({ web3Connected: false })
+    }
   }
 
-  componentWillUnmount() {
+  resetAllTheThings() {
     clearInterval(this.interval)
     clearInterval(this.networkInterval)
     this.setState({ web3Connected: false })
   }
 
-  initPoll() {
+  initAccountsPoll() {
     if (!this.interval) {
       this.interval = setInterval(this.fetchAccounts, ONE_SECOND)
     }
@@ -143,15 +98,17 @@ export default class Web3Donation extends PureComponent {
       web3.eth &&
       //web3.eth.net.getId((err, netId) => {
       web3.version.getNetwork((err, netId) => {
-        if (err) {
+        if (err) this.setState({ error: err })
-          this.setState({ networkError: err })
-        }
 
         if (netId != this.state.networkId) {
           this.setState({
-            networkError: null,
+            error: null,
             networkId: netId
           })
+
+          getNetworkName(netId).then(networkName => {
+            this.setState({ networkName: networkName })
+          })
         }
       })
   }
@@ -162,18 +119,17 @@ export default class Web3Donation extends PureComponent {
     web3 &&
       web3.eth &&
       web3.eth.getAccounts((err, accounts) => {
-        if (err) {
+        if (err) this.setState({ error: err })
-          this.setState({ accountsError: err })
-        }
 
         this.setState({
+          error: null,
           accounts,
           selectedAccount: accounts[0]
         })
       })
   }
 
-  handleWeb3Button = () => {
+  handleButton = () => {
     const { web3 } = this
 
     this.setState({ loading: true })
@@ -210,6 +166,9 @@ export default class Web3Donation extends PureComponent {
   }
 
   render() {
+    const hasCorrectNetwork = this.state.networkId === '1'
+    const hasAccount = this.state.accounts.length !== 0
+
     return (
       <div className={styles.web3}>
         <header>
@@ -217,34 +176,30 @@ export default class Web3Donation extends PureComponent {
           <p>Send Ether with MetaMask, Brave, or Mist.</p>
         </header>
 
-        {this.state.web3Connected ? (
+        {this.state.web3Connected && (
           <div className={styles.web3Row}>
             {this.state.loading ? (
               'Hang on...'
             ) : (
               <InputGroup
-                networkId={this.state.networkId}
+                hasCorrectNetwork={hasCorrectNetwork}
-                selectedAccount={this.state.selectedAccount}
+                hasAccount={hasAccount}
                 amount={this.state.amount}
                 onAmountChange={this.onAmountChange}
-                handleWeb3Button={this.handleWeb3Button}
+                handleButton={this.handleButton}
               />
             )}
-
-            <Alerts
-              accounts={this.state.accounts}
-              networkId={this.state.networkId}
-              error={this.state.error}
-              transactionHash={this.state.transactionHash}
-            />
           </div>
-        ) : (
-          <small>
-            No Web3 detected. Install <a href="https://metamask.io">MetaMask</a>
-            , <a href="https://brave.com">Brave</a>, or{' '}
-            <a href="https://github.com/ethereum/mist">Mist</a>.
-          </small>
         )}
+
+        <Alerts
+          hasCorrectNetwork={hasCorrectNetwork}
+          hasAccount={hasAccount}
+          networkName={this.state.networkName}
+          error={this.state.error}
+          transactionHash={this.state.transactionHash}
+          web3Connected={this.state.web3Connected}
+        />
       </div>
     )
   }

src/components/Web3Donation/index.module.scss

@@ -0,0 +1,22 @@
+@import 'variables';
+@import 'mixins';
+
+.web3 {
+    @include divider;
+
+    width: 100%;
+    text-align: center;
+    margin-top: $spacer / 2;
+    margin-bottom: $spacer;
+    padding-bottom: $spacer * 1.5;
+
+    small {
+        color: darken($alert-info, 60%);
+        margin-top: -($spacer / 2);
+        display: block;
+    }
+}
+
+.web3Row {
+    min-height: 58px;
+}

src/components/Web3Donation/utils.js

@@ -0,0 +1,25 @@
+export const getNetworkName = async netId => {
+  let networkName
+
+  switch (netId) {
+    case '1':
+      networkName = 'Main'
+      break
+    case '2':
+      networkName = 'Morden'
+      break
+    case '3':
+      networkName = 'Ropsten'
+      break
+    case '4':
+      networkName = 'Rinkeby'
+      break
+    case '42':
+      networkName = 'Kovan'
+      break
+    default:
+      networkName = 'Private'
+  }
+
+  return networkName
+}

src/components/atoms/Input.module.scss

@@ -25,4 +25,8 @@
         border-color: $input-border-focus;
         outline: 0;
     }
+
+    &[disabled] {
+        color: $brand-grey-dimmed;
+    }
 }

src/components/atoms/Modal.module.scss

@@ -52,6 +52,7 @@
     right: ($spacer/4);
     color: $brand-grey-light;
     font-weight: 500;
+    outline: 0;
 
     &:hover,
     &:focus {

src/components/molecules/ModalThanks.jsx

@@ -1,7 +1,7 @@
 import React, { PureComponent } from 'react'
 import { StaticQuery, graphql } from 'gatsby'
 
-import Web3Donation from '../atoms/Web3Donation'
+import Web3Donation from '../Web3Donation'
 import Qr from '../atoms/Qr'
 import Modal from '../atoms/Modal'
 import styles from './ModalThanks.module.scss'