package itests import ( "context" "encoding/hex" "fmt" "os" "testing" "time" "github.com/stretchr/testify/require" "github.com/filecoin-project/go-address" "github.com/filecoin-project/lotus/itests/kit" ) // TestFEVMEvents does a basic events smoke test. func TestFEVMEvents(t *testing.T) { require := require.New(t) kit.QuietMiningLogs() blockTime := 100 * time.Millisecond client, _, ens := kit.EnsembleMinimal(t, kit.MockProofs(), kit.ThroughRPC()) ens.InterconnectAll().BeginMining(blockTime) ctx, cancel := context.WithTimeout(context.Background(), time.Minute) defer cancel() // install contract contractHex, err := os.ReadFile("contracts/events.bin") require.NoError(err) contract, err := hex.DecodeString(string(contractHex)) require.NoError(err) fromAddr, err := client.WalletDefaultAddress(ctx) require.NoError(err) result := client.EVM().DeployContract(ctx, fromAddr, contract) idAddr, err := address.NewIDAddress(result.ActorID) require.NoError(err) t.Logf("actor ID address is %s", idAddr) // var ( // earliest = "earliest" // latest = "latest" // ) // // // Install a filter. // filter, err := client.EthNewFilter(ctx, &api.EthFilterSpec{ // FromBlock: &earliest, // ToBlock: &latest, // }) // require.NoError(err) // // // No logs yet. // res, err := client.EthGetFilterLogs(ctx, filter) // require.NoError(err) // require.Empty(res.NewLogs) // log a zero topic event with data ret := client.EVM().InvokeSolidity(ctx, fromAddr, idAddr, []byte{0x00, 0x00, 0x00, 0x00}, nil) require.True(ret.Receipt.ExitCode.IsSuccess(), "contract execution failed") require.NotNil(ret.Receipt.EventsRoot) fmt.Println(client.EVM().LoadEvents(ctx, *ret.Receipt.EventsRoot)) // log a zero topic event with no data ret = client.EVM().InvokeSolidity(ctx, fromAddr, idAddr, []byte{0x00, 0x00, 0x00, 0x01}, nil) require.True(ret.Receipt.ExitCode.IsSuccess(), "contract execution failed") fmt.Println(ret) fmt.Println(client.EVM().LoadEvents(ctx, *ret.Receipt.EventsRoot)) // log a four topic event with data ret = client.EVM().InvokeSolidity(ctx, fromAddr, idAddr, []byte{0x00, 0x00, 0x00, 0x02}, nil) require.True(ret.Receipt.ExitCode.IsSuccess(), "contract execution failed") fmt.Println(ret) fmt.Println(client.EVM().LoadEvents(ctx, *ret.Receipt.EventsRoot)) }