Parse unknown transactions based on address

actors/multisig.go

@@ -4,7 +4,9 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
+	"strings"
 
+	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/go-state-types/builtin"
 	"github.com/filecoin-project/go-state-types/builtin/v11/miner"
@@ -24,6 +26,8 @@ Still needs to parse:
 	Receive
 */
 func (p *ActorParser) ParseMultisig(txType string, msg *parser.LotusMessage, msgRct *parser.LotusMessageReceipt, height int64, key filTypes.TipSetKey) (map[string]interface{}, error) {
+	txType = determineTxType(txType, msg.To)
+
 	switch txType {
 	case parser.MethodConstructor: // TODO: not tested
 		return p.msigConstructor(msg.Params)
@@ -51,6 +55,20 @@ func (p *ActorParser) ParseMultisig(txType string, msg *parser.LotusMessage, msg
 	return map[string]interface{}{}, parser.ErrUnknownMethod
 }
 
+func determineTxType(txType string, to address.Address) string {
+	if txType == parser.MethodUnknown {
+		if strings.HasPrefix(to.String(), "f4") {
+			return "InvokeEVM"
+		} else if strings.HasPrefix(to.String(), "f0") ||
+			strings.HasPrefix(to.String(), "f1") ||
+			strings.HasPrefix(to.String(), "f2") ||
+			strings.HasPrefix(to.String(), "f3") {
+			return "Send"
+		}
+	}
+	return txType
+}
+
 func (p *ActorParser) msigConstructor(raw []byte) (map[string]interface{}, error) {
 	metadata := make(map[string]interface{})
 	reader := bytes.NewReader(raw)

actors/multisig_test.go

@@ -10,6 +10,7 @@ import (
 	"strings"
 	"testing"
 
+	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/builtin/v11/miner"
 	"github.com/filecoin-project/go-state-types/builtin/v11/verifreg"
 	multisig2 "github.com/filecoin-project/go-state-types/builtin/v14/multisig"
@@ -255,6 +256,51 @@ func TestParseMultisigMetadata(t *testing.T) {
 	}
 }
 
+func TestDetermineTxType(t *testing.T) {
+	tests := []struct {
+		name     string
+		txType   string
+		to       string
+		expected string
+	}{
+		{
+			name:     "Unknown txType with f4 address",
+			txType:   parser.MethodUnknown,
+			to:       createFakeF4Address(t),
+			expected: "InvokeEVM",
+		},
+		{
+			name:     "Unknown txType with f0 address",
+			txType:   parser.MethodUnknown,
+			to:       "f01656666",
+			expected: "Send",
+		},
+		{
+			name:     "Known txType",
+			txType:   parser.MethodSend,
+			to:       "f01656666",
+			expected: parser.MethodSend,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			toAddress, err := address.NewFromString(tt.to)
+			fmt.Printf("toAddress: %s\n", toAddress)
+			require.NoError(t, err)
+			actual := determineTxType(tt.txType, toAddress)
+			fmt.Printf("actual: %s\n", actual)
+			assert.Equal(t, tt.expected, actual)
+		})
+	}
+}
+func createFakeF4Address(t *testing.T) string {
+	namespace := uint64(1234)
+	subaddress := []byte("fake_subaddress")
+	addr, err := address.NewDelegatedAddress(namespace, subaddress)
+	require.NoError(t, err)
+	return addr.String()
+}
+
 func unmarshalExpected(txType, jsonStr string) (interface{}, error) {
 	var v interface{}
 	switch txType {