Replace useMultipleMetadata by SWR

src/Address.tsx

@@ -23,7 +23,7 @@ import Contracts from "./address/Contracts";
 import { RuntimeContext } from "./useRuntime";
 import { useAppConfigContext } from "./useAppConfig";
 import { useAddressOrENS } from "./useResolvedAddresses";
-import { useMultipleMetadata } from "./sourcify/useSourcify";
+import { useSourcifyMetadata } from "./sourcify/useSourcify";
 import { ChecksummedAddress } from "./types";
 import { useAddressesWithCode } from "./useErigonHooks";
 import { useChainInfo } from "./useChainInfo";
@@ -65,7 +65,6 @@ const Address: React.FC = () => {
     }
   }, [addressOrName, checksummedAddress, isENS]);
 
-  const { sourcifySource } = useAppConfigContext();
   const checksummedAddressAsArray = useMemo(
     () => (checksummedAddress !== undefined ? [checksummedAddress] : []),
     [checksummedAddress]
@@ -74,16 +73,13 @@ const Address: React.FC = () => {
     provider,
     checksummedAddressAsArray
   );
-  const metadatas = useMultipleMetadata(
-    undefined,
-    contractAddresses,
+  // TODO: restore filter to only check Sourcify metadata if the address is a contract (hasCode)
+  const { sourcifySource } = useAppConfigContext();
+  const addressMetadata = useSourcifyMetadata(
+    checksummedAddress,
     provider?.network.chainId,
     sourcifySource
   );
-  const addressMetadata =
-    checksummedAddress !== undefined
-      ? metadatas[checksummedAddress]
-      : undefined;
 
   const { network, faucets } = useChainInfo();
 

src/TransactionPageContent.tsx

@@ -98,10 +98,7 @@ const TransactionPageContent: React.FC<TransactionPageContentProps> = ({
                       />
                     }
                   />
-                  <Route
-                    path="logs"
-                    element={<Logs txData={txData} metadata={metadata} />}
-                  />
+                  <Route path="logs" element={<Logs txData={txData} />} />
                   <Route path="trace" element={<Trace txData={txData} />} />
                 </Routes>
               </React.Suspense>

src/hooks.ts

@@ -1,33 +0,0 @@
-import { useMemo } from "react";
-import { JsonRpcProvider } from "@ethersproject/providers";
-import { ChecksummedAddress } from "./types";
-import { Metadata, useMultipleMetadata } from "./sourcify/useSourcify";
-import { useAppConfigContext } from "./useAppConfig";
-import { useAddressesWithCode } from "./useErigonHooks";
-
-const useDedupedAddresses = (
-  addresses: ChecksummedAddress[]
-): ChecksummedAddress[] => {
-  return useMemo(() => {
-    const deduped = new Set(addresses);
-    return [...deduped];
-  }, [addresses]);
-};
-
-export const useContractsMetadata = (
-  addresses: ChecksummedAddress[],
-  provider: JsonRpcProvider | undefined,
-  baseMetadatas?: Record<string, Metadata | null>
-) => {
-  const deduped = useDedupedAddresses(addresses);
-  const contracts = useAddressesWithCode(provider, deduped);
-  const { sourcifySource } = useAppConfigContext();
-  const metadatas = useMultipleMetadata(
-    baseMetadatas,
-    contracts,
-    provider?.network.chainId,
-    sourcifySource
-  );
-
-  return metadatas;
-};

src/sourcify/useSourcify.ts

@@ -121,55 +121,6 @@ export const useSourcifyMetadata = (
   return data;
 };
 
-export const useMultipleMetadata = (
-  baseMetadatas: Record<string, Metadata | null> | undefined,
-  addresses: ChecksummedAddress[] | undefined,
-  chainId: number | undefined,
-  source: SourcifySource
-): Record<ChecksummedAddress, Metadata | null | undefined> => {
-  const [rawMetadata, setRawMetadata] = useState<
-    Record<string, Metadata | null | undefined>
-  >({});
-  useEffect(() => {
-    if (addresses === undefined || chainId === undefined) {
-      return;
-    }
-    setRawMetadata({});
-
-    const abortController = new AbortController();
-    const fetchMetadata = async (_addresses: string[]) => {
-      const fetchers: Promise<Metadata | null>[] = [];
-      for (const address of _addresses) {
-        fetchers.push(
-          fetchSourcifyMetadata(address, chainId, source, abortController)
-        );
-      }
-
-      const results = await Promise.all(fetchers);
-      if (abortController.signal.aborted) {
-        return;
-      }
-      let metadatas: Record<string, Metadata | null> = {};
-      if (baseMetadatas) {
-        metadatas = { ...baseMetadatas };
-      }
-      for (let i = 0; i < results.length; i++) {
-        metadatas[_addresses[i]] = results[i];
-      }
-      setRawMetadata(metadatas);
-    };
-
-    const filtered = addresses.filter((a) => baseMetadatas?.[a] === undefined);
-    fetchMetadata(filtered);
-
-    return () => {
-      abortController.abort();
-    };
-  }, [baseMetadatas, addresses, chainId, source]);
-
-  return rawMetadata;
-};
-
 export const useContract = (
   checksummedAddress: string,
   networkId: number,

src/transaction/LogEntry.tsx

@@ -1,6 +1,6 @@
-import React, { useMemo } from "react";
+import React, { useContext, useMemo } from "react";
 import { Log } from "@ethersproject/abstract-provider";
-import { Fragment, Interface, LogDescription } from "@ethersproject/abi";
+import { Fragment, Interface } from "@ethersproject/abi";
 import { Tab } from "@headlessui/react";
 import TransactionAddress from "../components/TransactionAddress";
 import Copy from "../components/Copy";
@@ -8,15 +8,41 @@ import ModeTab from "../components/ModeTab";
 import DecodedParamsTable from "./decoder/DecodedParamsTable";
 import DecodedLogSignature from "./decoder/DecodedLogSignature";
 import { useTopic0 } from "../useTopic0";
-import { ChecksummedAddress } from "../types";
-import { Metadata } from "../sourcify/useSourcify";
+import { RuntimeContext } from "../useRuntime";
+import { useAppConfigContext } from "../useAppConfig";
+import { useSourcifyMetadata } from "../sourcify/useSourcify";
 
 type LogEntryProps = {
   log: Log;
-  logDesc: LogDescription | null | undefined;
 };
 
-const LogEntry: React.FC<LogEntryProps> = ({ log, logDesc }) => {
+const LogEntry: React.FC<LogEntryProps> = ({ log }) => {
+  const { provider } = useContext(RuntimeContext);
+  const { sourcifySource } = useAppConfigContext();
+  const metadata = useSourcifyMetadata(
+    log.address,
+    provider?.network.chainId,
+    sourcifySource
+  );
+
+  const logDesc = useMemo(() => {
+    if (!metadata) {
+      return metadata;
+    }
+
+    const abi = metadata.output.abi;
+    const intf = new Interface(abi as any);
+    try {
+      return intf.parseLog({
+        topics: log.topics,
+        data: log.data,
+      });
+    } catch (err) {
+      console.warn("Couldn't find function signature", err);
+      return null;
+    }
+  }, [log, metadata]);
+
   const rawTopic0 = log.topics[0];
   const topic0 = useTopic0(rawTopic0);
 

src/transaction/Logs.tsx

@@ -1,68 +1,20 @@
-import React, { useContext, useMemo } from "react";
-import { Interface } from "@ethersproject/abi";
+import React from "react";
 import ContentFrame from "../ContentFrame";
 import LogEntry from "./LogEntry";
 import { TransactionData } from "../types";
-import { Metadata } from "../sourcify/useSourcify";
-import { RuntimeContext } from "../useRuntime";
-import { useContractsMetadata } from "../hooks";
 
 type LogsProps = {
   txData: TransactionData;
-  metadata: Metadata | null | undefined;
 };
 
-const Logs: React.FC<LogsProps> = ({ txData, metadata }) => {
-  const baseMetadatas = useMemo((): Record<string, Metadata | null> => {
-    if (!txData.to || metadata === undefined) {
-      return {};
-    }
-
-    const md: Record<string, Metadata | null> = {};
-    md[txData.to] = metadata;
-    return md;
-  }, [txData.to, metadata]);
-
-  const logAddresses = useMemo(
-    () => txData.confirmedData?.logs.map((l) => l.address) ?? [],
-    [txData]
-  );
-  const { provider } = useContext(RuntimeContext);
-  const metadatas = useContractsMetadata(logAddresses, provider, baseMetadatas);
-
-  const logDescs = useMemo(() => {
-    if (!txData) {
-      return undefined;
-    }
-
-    return txData.confirmedData?.logs.map((l) => {
-      const mt = metadatas[l.address];
-      if (!mt) {
-        return mt;
-      }
-
-      const abi = mt.output.abi;
-      const intf = new Interface(abi as any);
-      try {
-        return intf.parseLog({
-          topics: l.topics,
-          data: l.data,
-        });
-      } catch (err) {
-        console.warn("Couldn't find function signature", err);
-        return null;
-      }
-    });
-  }, [metadatas, txData]);
-
-  return (
+const Logs: React.FC<LogsProps> = ({ txData }) => (
   <ContentFrame tabs>
     {txData.confirmedData && (
       <>
         {txData.confirmedData.logs.length > 0 ? (
           <>
             {txData.confirmedData.logs.map((l, i) => (
-                <LogEntry key={i} log={l} logDesc={logDescs?.[i]} />
+              <LogEntry key={i} log={l} />
             ))}
           </>
         ) : (
@@ -71,7 +23,6 @@ const Logs: React.FC<LogsProps> = ({ txData, metadata }) => {
       </>
     )}
   </ContentFrame>
-  );
-};
+);
 
 export default React.memo(Logs);