fix: prevent overflow in abi encoding (#1135)

* l2geth: prevent overflow in abi encoding to ovm codec tx * chore: add changeset
ethereum-optimism · Jun 25, 2021 · 3ed8788 · 3ed8788
1 parent 55aefc9
commit 3ed8788
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diff --git a/.changeset/happy-dancers-raise.md b/.changeset/happy-dancers-raise.md
@@ -0,0 +1,5 @@
+---
+'@eth-optimism/l2geth': patch
+---
+
+Prevent overflows in abi encoding of ovm codec transaction from geth types.Transaction
diff --git a/l2geth/core/state_transition_ovm.go b/l2geth/core/state_transition_ovm.go
@@ -111,7 +111,7 @@ func EncodeSimulatedMessage(msg Message, timestamp, blockNumber *big.Int, execut
 		uint8(msg.QueueOrigin()),
 		*msg.L1MessageSender(),
 		*to,
-		big.NewInt(int64(msg.Gas())),
+		new(big.Int).SetUint64(msg.Gas()),
 		msg.Data(),
 	}