feat: support bnb widget swaps via cow

[mgrabina]

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Project	Deployment	Preview	Comments	Updated (UTC)
interface	Ready	Preview	Comment	Sep 30, 2025 1:46pm

[github-actions]

• Ipfs hash: bafybeiaotqfd74jikx7nyymdykl5j45ocrrkojoao5c72yjizba7bol7ku
• Ipfs preview link: https://bafybeiaotqfd74jikx7nyymdykl5j45ocrrkojoao5c72yjizba7bol7ku.ipfs.cf-ipfs.com/

[github-actions]

📦 Next.js Bundle Analysis for aave-ui

This analysis was generated by the Next.js Bundle Analysis action. 🤖

🎉 Global Bundle Size Decreased

Page	Size (compressed)
global	1.38 MB (🟢 -48.92 KB)

Details

The global bundle is the javascript bundle that loads alongside every page. It is in its own category because its impact is much higher - an increase to its size means that every page on your website loads slower, and a decrease means every page loads faster.

Any third party scripts you have added directly to your app using the <script> tag are not accounted for in this analysis

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Sixteen Pages Changed Size

The following pages changed size from the code in this PR compared to its base branch:

Page	Size (compressed)	First Load
/	60.96 KB (🟡 +1.37 KB)	1.44 MB
/404	2.79 KB (🟡 +327 B)	1.38 MB
/500	3.19 KB (🟡 +283 B)	1.38 MB
/bridge	23.8 KB (🟢 -9.64 KB)	1.4 MB
/dashboard	52.12 KB (🟡 +1.15 KB)	1.43 MB
/faucet	15.21 KB (🟡 +308 B)	1.39 MB
/governance	70.79 KB (🟢 -9.83 KB)	1.45 MB
/governance/ipfs-preview	100.69 KB (🟡 +1 KB)	1.48 MB
/governance/v3/proposal	112.83 KB (🟢 -9.92 KB)	1.49 MB
/history	24.04 KB (🟡 +311 B)	1.4 MB
/markets	36.28 KB (🟡 +2.65 KB)	1.41 MB
/reserve-overview	23.16 KB (🟡 +145 B)	1.4 MB
/safety-module	27.39 KB (🟢 -9.64 KB)	1.4 MB
/sgho	79.5 KB (🟡 +552 B)	1.45 MB
/staking	32.11 KB (🟡 +303 B)	1.41 MB
/v3-migration	35.88 KB (🟡 +687 B)	1.41 MB

Details

Only the gzipped size is provided here based on an expert tip.

First Load is the size of the global bundle plus the bundle for the individual page. If a user were to show up to your website and land on a given page, the first load size represents the amount of javascript that user would need to download. If next/link is used, subsequent page loads would only need to download that page's bundle (the number in the "Size" column), since the global bundle has already been downloaded.

Any third party scripts you have added directly to your app using the <script> tag are not accounted for in this analysis

Next to the size is how much the size has increased or decreased compared with the base branch of this PR. If this percentage has increased by 20% or more, there will be a red status indicator applied, indicating that special attention should be given to this.

[chatgpt-codex-connector]

💡 Codex Review

interface/src/components/transactions/Switch/cowprotocol/cowprotocol.helpers.ts

Lines 362 to 384 in eb7d252

	export const generateCoWExplorerLink = (chainId: SupportedChainId, orderId?: string) => {
	if (!orderId) {
	return undefined;
	}
	const base = 'https://explorer.cow.fi';
	switch (chainId) {
	case SupportedChainId.MAINNET:
	return `${base}/orders/${orderId}`;
	case SupportedChainId.GNOSIS_CHAIN:
	return `${base}/gc/orders/${orderId}`;
	case SupportedChainId.BASE:
	return `${base}/base/orders/${orderId}`;
	case SupportedChainId.ARBITRUM_ONE:
	return `${base}/arb1/orders/${orderId}`;
	case SupportedChainId.SEPOLIA:
	return `${base}/sepolia/orders/${orderId}`;
	case SupportedChainId.AVALANCHE:
	return `${base}/avax/orders/${orderId}`;
	case SupportedChainId.POLYGON:
	return `${base}/pol/orders/${orderId}`;
	default:
	throw new Error('Define explorer link for chainId: ' + chainId);

[P1] Handle BNB CoW explorer links

BNB was added to CoWProtocolSupportedNetworks, so success toasts and transaction history will now call generateCoWExplorerLink with a BNB chain id. The helper still lacks a SupportedChainId.BNB case and throws in the default branch, which will crash the UI whenever a user completes a CoW swap on BNB or clicks the toast/history link. Add the BNB explorer path instead of falling into the error case.

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[github-actions]

• Ipfs hash: bafybeiaa73kwlt4ccbqf2wfk5lc6bej636rgsoj2zyipd2slr5nqwpvvou
• Ipfs preview link: https://bafybeiaa73kwlt4ccbqf2wfk5lc6bej636rgsoj2zyipd2slr5nqwpvvou.ipfs.cf-ipfs.com/

[github-actions]

📦 Next.js Bundle Analysis for aave-ui

This analysis was generated by the Next.js Bundle Analysis action. 🤖

This PR introduced no changes to the JavaScript bundle! 🙌

[mgrabina]

example orders

• https://explorer.cow.fi/bnb/orders/0xd3090ab0b144949cc9001c6da2f7fda96453437a9c79e2d165cfbfe5e8d852cdba3cb449bd2b4adddbc894d8697f5170800eadecffffffff

• https://explorer.cow.fi/bnb/orders/0x2e99fe1d4e454ff26a64bc14bc55573d2920a3ad2c3d5384e9e8d023c67a143472fa20f7859a680c6ee0d81214c97e40e87ebb3368dbe8ba