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[MNY-314] SDK: Token Selection UX improvements in SwapWidget #8552

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Merged
graphite-app merged 1 commit into from
Dec 12, 2025
+31 −0
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[MNY-314] SDK: Token Selection UX improvements in SwapWidget #8552

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5 changes: 5 additions & 0 deletions .changeset/eager-loops-obey.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"thirdweb": patch
---

Token Selection UX improvements in SwapWidget
26 changes: 26 additions & 0 deletions packages/thirdweb/src/react/web/ui/Bridge/swap-widget/swap-ui.tsx
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Expand Up @@ -6,8 +6,10 @@ import { Buy, Sell } from "../../../../../bridge/index.js";
import type { prepare as SellPrepare } from "../../../../../bridge/Sell.js";
import type { TokenWithPrices } from "../../../../../bridge/types/Token.js";
import type { ThirdwebClient } from "../../../../../client/client.js";
import { NATIVE_TOKEN_ADDRESS } from "../../../../../constants/addresses.js";
import { getToken } from "../../../../../pay/convert/get-token.js";
import type { SupportedFiatCurrency } from "../../../../../pay/convert/type.js";
import { getAddress } from "../../../../../utils/address.js";
import { toTokens, toUnits } from "../../../../../utils/units.js";
import { useCustomTheme } from "../../../../core/design-system/CustomThemeProvider.js";
import {
Expand Down Expand Up @@ -245,6 +247,18 @@ export function SwapUI(props: SwapUIProps) {
) {
props.setSellToken(undefined);
}

// if sell token is not selected, set it as native token of the buy token's chain if buy token is not a native token itself
if (
!props.sellToken &&
token.tokenAddress.toLowerCase() !==
NATIVE_TOKEN_ADDRESS.toLowerCase()
) {
props.setSellToken({
tokenAddress: getAddress(NATIVE_TOKEN_ADDRESS),
chainId: token.chainId,
});
}
}}
/>
)}
Expand All @@ -270,6 +284,18 @@ export function SwapUI(props: SwapUIProps) {
) {
props.setBuyToken(undefined);
}

// if buy token is not selected, set it as native token of the sell token's chain if sell token is not a native token itself
if (
!props.buyToken &&
token.tokenAddress.toLowerCase() !==
NATIVE_TOKEN_ADDRESS.toLowerCase()
) {
props.setBuyToken({
tokenAddress: getAddress(NATIVE_TOKEN_ADDRESS),
chainId: token.chainId,
});
}
}}
activeWalletInfo={props.activeWalletInfo}
/>
Expand Down
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