fix(merkle drop): make claim a post request

fixes #1299

src/components/swap/AdvancedSwapDetails.tsx

@@ -105,7 +105,7 @@ export function AdvancedSwapDetails({ trade }: AdvancedSwapDetailsProps) {
           {!showRoute && (
             <AutoColumn style={{ padding: '12px 16px 0 16px' }}>
               <InfoLink
-                href={'https://uniswap.info/pair/' + trade.route.pairs[0].liquidityToken.address}
+                href={'https://info.uniswap.org/pair/' + trade.route.pairs[0].liquidityToken.address}
                 target="_blank"
               >
                 View pair analytics ↗

src/state/claim/hooks.ts

@@ -29,18 +29,16 @@ function fetchClaim(account: string, chainId: ChainId): Promise<UserClaimData |
 
   return (CLAIM_PROMISES[key] =
     CLAIM_PROMISES[key] ??
-    fetch(`https://gentle-frost-9e74.uniswap.workers.dev/${chainId}/${formatted}`)
-      .then(res => {
-        if (res.status === 200) {
-          return res.json()
-        } else {
-          console.debug(`No claim for account ${formatted} on chain ID ${chainId}`)
-          return null
-        }
-      })
-      .catch(error => {
-        console.error('Failed to get claim data', error)
-      }))
+    fetch('https://merkle-drop-1.uniswap.workers.dev/', {
+      body: JSON.stringify({ chainId, address: formatted }),
+      headers: {
+        'Content-Type': 'application/json',
+        'Referrer-Policy': 'no-referrer'
+      },
+      method: 'POST'
+    })
+      .then(({ ok, json }) => (ok ? json() : console.log(`No claim for account ${formatted} on chain ID ${chainId}`)))
+      .catch(error => console.error('Failed to get claim data', error)))
 }
 
 // parse distributorContract blob and detect if user has claim data