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Added support for displayed chains icons based on ethereum-lists/chains #44

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Added support for displayed chains icons based on ethereum-lists/chains #44

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3106ac2
Added support for displayed chains icons based on ethereum-lists/chains
morsela Jan 20, 2022
eced189
cleanup
morsela Jan 20, 2022
9d0160b
added missing new lines
morsela Jan 20, 2022
5637782
removed bad identations
morsela Jan 20, 2022
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8 changes: 6 additions & 2 deletions components/chain/chain.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,9 @@ import classes from './chain.module.css'
import stores from '../../stores/index.js'
import { getProvider } from '../../utils'

import Icon from './icon'
import useEthereumListsIcon from './useEthereumListsIcon';

import {
ERROR,
CONNECT_WALLET,
Expand All @@ -20,6 +23,7 @@ export default function Chain({ chain }) {
const router = useRouter()

const [ account, setAccount ] = useState(null)
const { url: iconUrl } = useEthereumListsIcon(chain.icon)

useEffect(() => {
const accountConfigure = () => {
Expand Down Expand Up @@ -96,8 +100,8 @@ export default function Chain({ chain }) {
return (
<Paper elevation={ 1 } className={ classes.chainContainer } key={ chain.chainId }>
<div className={ classes.chainNameContainer }>
<img
src='/connectors/icn-asd.svg'
<Icon
src={iconUrl ? iconUrl : '/connectors/icn-asd.svg'}
onError={e => {
e.target.onerror = null;
e.target.src = "/chains/unknown-logo.png";
Expand Down
17 changes: 17 additions & 0 deletions components/chain/icon.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@

export default function Icon( { src , ...props }) {
const IPFS_SCHEMA = "ipfs://"

const parseUrl = (url) => {
if (url?.startsWith(IPFS_SCHEMA)) {
const cid = src.replace(IPFS_SCHEMA, "")
return `https://ipfs.io/ipfs/${cid}`
} else {
return url
}
}

return (
<img src={parseUrl(src)} {...props} />
)
}
8 changes: 8 additions & 0 deletions components/chain/useEthereumListsIcon.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
import useSWR from 'swr'

const fetcher = (...args) => fetch(...args).then(res => res.json())

export default function useEthereumListsIcon(iconName) {
const { data: iconData, error: iconError } = useSWR(iconName ? `https://raw.githubusercontent.com/ethereum-lists/chains/master/_data/icons/${iconName}.json` : null, fetcher)
return { url: iconData?.shift()?.url, error: iconError }
}