accounts/abi/bind/v2: add Transact utility method for v2. There is already an identical Transact member method on the BoundContract struct. I just add this one to ensure that user code which performs transactions doesn't have to use both the v1 BoundContract methods and the utility methods provided in v2/lib.go

accounts/abi/bind/v2/lib.go

@@ -175,6 +175,12 @@ func Call[T any](c *BoundContract, opts *CallOpts, packedInput []byte, unpack fu
 	return res, err
 }
 
+// Transact initiates a transaction with the given raw calldata as the input.
+func Transact(c *BoundContract, opt *TransactOpts, packedInput []byte) (*types.Transaction, error) {
+	addr := c.address
+	return c.transact(opt, &addr, packedInput)
+}
+
 // DeployContract deploys a contract onto the Ethereum blockchain and binds the
 // deployment address with a Go wrapper.  It expects its parameters to be abi-encoded
 // bytes.

accounts/abi/bind/v2/lib_test.go

@@ -236,7 +236,7 @@ func TestEvents(t *testing.T) {
 	defer sub2.Unsubscribe()
 
 	packedInput := c.PackEmitMulti()
-	tx, err := instance.RawTransact(defaultTxAuth(), packedInput)
+	tx, err := bind.Transact(instance, defaultTxAuth(), packedInput)
 	if err != nil {
 		t.Fatalf("failed to send transaction: %v", err)
 	}