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Summary of ChangesHello @aqt-dev, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request refines the AnySpend component by enhancing its ability to parse and apply URL parameters for chain and token selections. The changes ensure that the application's internal state for both source and destination chains and tokens is correctly initialized and synchronized with the URL, particularly improving the user experience during server-side rendering hydration by preventing state mismatches. Highlights
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Code Review
This pull request improves the handling of URL parameters for chain and token selection in the AnySpend component. The added logic for synchronizing state after SSR hydration is a good enhancement. However, I've identified a couple of issues in the implementation where the token selection logic is not fully robust. It currently fails to handle non-default tokens specified in the URL and doesn't update the token if the chain remains the same. My review includes suggestions to fix these issues to ensure the component state always reflects the URL parameters correctly.
| const urlDstChainId = parseInt(toChainIdParam); | ||
| if (urlDstChainId && urlDstChainId !== selectedDstChainId) { | ||
| setSelectedDstChainId(urlDstChainId); | ||
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| // Get the default token for this chain | ||
| const chainDefaultToken = getDefaultToken(urlDstChainId); | ||
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| // If URL currency matches the default token address (like zero address for native tokens), | ||
| // use the full default token with all metadata | ||
| if ( | ||
| toCurrencyParam && | ||
| toCurrencyParam.toLowerCase() === chainDefaultToken.address.toLowerCase() | ||
| ) { | ||
| setSelectedDstToken(chainDefaultToken); | ||
| } | ||
| } |
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The current logic for synchronizing the destination token doesn't handle cases where a non-default token is specified in the URL, or when the token changes but the chain ID remains the same. This can lead to an inconsistent UI state that doesn't match the URL parameters. The suggested change ensures that any token specified in toCurrency is correctly set, and also handles token changes on the same chain.
const urlDstChainId = parseInt(toChainIdParam);
if (urlDstChainId) {
const urlTokenAddress = toCurrencyParam?.toLowerCase();
const stateTokenAddress = selectedDstToken.address.toLowerCase();
if (urlDstChainId !== selectedDstChainId || (urlTokenAddress && urlTokenAddress !== stateTokenAddress)) {
if (urlDstChainId !== selectedDstChainId) {
setSelectedDstChainId(urlDstChainId);
}
if (toCurrencyParam) {
setSelectedDstToken({
chainId: urlDstChainId,
address: toCurrencyParam,
symbol: "",
name: "",
decimals: 18, // Default, will be updated by useTokenData
metadata: {},
});
} else {
setSelectedDstToken(getDefaultToken(urlDstChainId));
}
}
}
| const urlSrcChainId = parseInt(fromChainIdParam); | ||
| if (urlSrcChainId && urlSrcChainId !== selectedSrcChainId) { | ||
| setSelectedSrcChainId(urlSrcChainId); | ||
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| // Get the default token for this chain | ||
| const chainDefaultToken = getDefaultToken(urlSrcChainId); | ||
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| // If URL currency matches the default token address, use the full default token | ||
| if ( | ||
| fromCurrencyParam && | ||
| fromCurrencyParam.toLowerCase() === chainDefaultToken.address.toLowerCase() | ||
| ) { | ||
| setSelectedSrcToken(chainDefaultToken); | ||
| } | ||
| } |
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Similar to the destination token logic, the source token synchronization is also not fully robust. It fails to update the source token if it's not the default for the chain, or if only the token (and not the chain) changes in the URL. This fix ensures the source token state is always correctly synchronized with the fromCurrency URL parameter.
const urlSrcChainId = parseInt(fromChainIdParam);
if (urlSrcChainId) {
const urlTokenAddress = fromCurrencyParam?.toLowerCase();
const stateTokenAddress = selectedSrcToken.address.toLowerCase();
if (urlSrcChainId !== selectedSrcChainId || (urlTokenAddress && urlTokenAddress !== stateTokenAddress)) {
if (urlSrcChainId !== selectedSrcChainId) {
setSelectedSrcChainId(urlSrcChainId);
}
if (fromCurrencyParam) {
setSelectedSrcToken({
chainId: urlSrcChainId,
address: fromCurrencyParam,
symbol: "",
name: "",
decimals: 18, // Default, will be updated by useTokenData
metadata: {},
});
} else {
setSelectedSrcToken(getDefaultToken(urlSrcChainId));
}
}
}
1 participant
Summary
This PR enhances the AnySpend component by improving the handling of URL parameters for chain and token selection, ensuring that the application state correctly reflects the parameters provided in the URL.
Changes
• Added logic to synchronize destination chain and token from URL parameters, improving state management during server-side rendering (SSR) hydration.
• Implemented synchronization for source chain and token based on URL parameters, ensuring accurate token selection.