feat: filter contract logs for events (#300)

* feat: filter contract logs for events * chore: add changeset * Cleanup setting events Co-authored-by: Łukasz Stankiewicz <[email protected]>
TrueFiEng · Aug 23, 2021 · afe26a5 · afe26a5
1 parent 0a98795
commit afe26a5
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diff --git a/.changeset/eighty-worms-itch.md b/.changeset/eighty-worms-itch.md
@@ -0,0 +1,5 @@
+---
+'@usedapp/core': minor
+---
+
+Prevent crash when parsing transaction logs from contract call
diff --git a/packages/core/src/hooks/useContractFunction.ts b/packages/core/src/hooks/useContractFunction.ts
@@ -31,12 +31,11 @@ export function useContractFunction(contract: Contract, functionName: string, op
     async (...args: any[]) => {
       const contractWithSigner = connectContractToSigner(contract, options, library)
       const receipt = await promiseTransaction(contractWithSigner[functionName](...args))
-      if (receipt) {
-        if (receipt.logs && receipt.logs.length > 0) {
-          setEvents(receipt.logs.map((log) => contract.interface.parseLog(log)))
-        } else {
-          setEvents([])
-        }
+      if (receipt?.logs) {
+        const events = receipt.logs
+          .filter((log) => log.address === contract.address)
+          .map((log) => contract.interface.parseLog(log))
+        setEvents(events)
       }
     },
     [contract, functionName, options, library]