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fix: add logo support for PYUSD & USDP #347

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merged 6 commits into from
Aug 28, 2024
Merged

fix: add logo support for PYUSD & USDP #347

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03d7b2e
fix: add logo support for PYUSD & USDP
catalinred Jun 11, 2024
a75d9d4
Define proper interface
catalinred Jun 11, 2024
12f447d
Format fix
catalinred Jun 11, 2024
59d270f
Merge branch 'master' into pyusd-usdp-logo-support
catalinred Jun 21, 2024
3d03869
Add basic error handling
catalinred Jul 8, 2024
a571683
refactor existing token headers
ngundotra Aug 28, 2024
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27 changes: 22 additions & 5 deletions app/address/[address]/layout.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -257,6 +257,11 @@ function AccountHeader({
tokenInfo?: FullTokenInfo;
isTokenInfoLoading: boolean;
}) {
interface State {
name: string;
image: string;
}
const [tokenData, setTokenData] = React.useState<State>({ image: '', name: '' });
const mintInfo = useMintAccountInfo(address);

const parsedData = account?.data.parsed;
Expand All @@ -275,20 +280,32 @@ function AccountHeader({
let token: { logoURI?: string; name?: string } = {};
let unverified = false;

const metadataExtension = mintInfo?.extensions?.find(({ extension }: { extension: string }) => extension === 'tokenMetadata');
const metadataPointerExtension = mintInfo?.extensions?.find(({ extension }: { extension: string }) => extension === 'metadataPointer');

const metadataExtension = mintInfo?.extensions?.find(
({ extension }: { extension: string }) => extension === 'tokenMetadata'
);
const metadataPointerExtension = mintInfo?.extensions?.find(
({ extension }: { extension: string }) => extension === 'metadataPointer'
);

if (metadataPointerExtension && metadataExtension) {
const tokenMetadata = create(metadataExtension.state, TokenMetadata);
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@catalinred catalinred Jun 12, 2024 •
edited
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@jnwng I tried to implement your code suggestion but unfortunately didn't succeed. It seems that tokenMetadata is available only within this conditional, which is why I added the IIFE function within AccountHeader.

From my testing, I haven't noticed any inconsistencies with the state, but please let me know if you observe otherwise.

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hmm okay, gotcha. i think this is okay for now

can you do some validation on the response / some error handling?

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@jnwng I just added a basic error handling block.

const { metadataAddress } = create(metadataPointerExtension.state, MetadataPointer);

(async () => {
// Avoid re-renders once tokenData has been set
if (!tokenData.name && !tokenData.image) {
const response = await fetch(tokenMetadata.uri);
setTokenData(await response.json());
}
})();
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instead of using the iife here i think a more canonical React hook would make sure the state works as expected:

import React, { useEffect, useState } from 'react';

const MyComponent: React.FC<{ tokenMetadata: { uri: string } }> = ({ tokenMetadata }) => {
    const [tokenData, setTokenData] = useState<{ name?: string, image?: string }>({});

    useEffect(() => {
        const fetchTokenData = async () => {
            if (!tokenData.name && !tokenData.image) {
                const response = await fetch(tokenMetadata.uri);
                const data = await response.json();
                setTokenData(data);
            }
        };

        fetchTokenData();
    }, [tokenMetadata.uri, tokenData.name, tokenData.image]);

    return (
        <div>
            {/* Render token data here */}
            <p>Name: {tokenData.name}</p>
            <img src={tokenData.image} alt={tokenData.name} />
        </div>
    );
};
export default MyComponent;


// Handles the basic case where MetadataPointer is reference the Token Metadata extension directly
// Does not handle the case where MetadataPointer is pointing at a separate account.
if (metadataAddress?.toString() === address) {
token.name = tokenMetadata.name
token.name = tokenData?.name;
token.logoURI = tokenData?.image;
}
}
}
// Fall back to legacy token list when there is stub metadata (blank uri), updatable by default by the mint authority
else if (!parsedData?.nftData?.metadata.data.uri && tokenInfo) {
token = tokenInfo;
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