evm: fix pointer in ResultData.String() (#733)

x/evm/types/utils.go

@@ -68,13 +68,19 @@ type ResultData struct {
 
 // String implements fmt.Stringer interface.
 func (rd ResultData) String() string {
+	var logsStr string
+	logsLen := len(rd.Logs)
+	for i := 0; i < logsLen; i++ {
+		logsStr = fmt.Sprintf("%s\t\t%v\n ", logsStr, *rd.Logs[i])
+	}
+
 	return strings.TrimSpace(fmt.Sprintf(`ResultData:
 	ContractAddress: %s
 	Bloom: %s
-	Logs: %v
 	Ret: %v
 	TxHash: %s	
-`, rd.ContractAddress.String(), rd.Bloom.Big().String(), rd.Logs, rd.Ret, rd.TxHash.String()))
+	Logs: 
+%s`, rd.ContractAddress.String(), rd.Bloom.Big().String(), rd.Ret, rd.TxHash.String(), logsStr))
 }
 
 // EncodeResultData takes all of the necessary data from the EVM execution

x/evm/types/utils_test.go

@@ -1,6 +1,7 @@
 package types
 
 import (
+	"strings"
 	"testing"
 
 	"github.com/stretchr/testify/require"
@@ -34,3 +35,34 @@ func TestEvmDataEncoding(t *testing.T) {
 	require.Equal(t, data.Logs, res.Logs)
 	require.Equal(t, ret, res.Ret)
 }
+
+func TestResultData_String(t *testing.T) {
+	const expectedResultDataStr = `ResultData:
+	ContractAddress: 0x5dE8a020088a2D6d0a23c204FFbeD02790466B49
+	Bloom: 259
+	Ret: [5 8]
+	TxHash: 0x0000000000000000000000000000000000000000000000000000000000000000	
+	Logs: 
+		{0x0000000000000000000000000000000000000000 [] [1 2 3 4] 17 0x0000000000000000000000000000000000000000000000000000000000000000 0 0x0000000000000000000000000000000000000000000000000000000000000000 0 false}
+ 		{0x0000000000000000000000000000000000000000 [] [5 6 7 8] 18 0x0000000000000000000000000000000000000000000000000000000000000000 0 0x0000000000000000000000000000000000000000000000000000000000000000 0 false}`
+	addr := ethcmn.HexToAddress("0x5dE8a020088a2D6d0a23c204FFbeD02790466B49")
+	bloom := ethtypes.BytesToBloom([]byte{0x1, 0x3})
+	ret := []byte{0x5, 0x8}
+
+	data := ResultData{
+		ContractAddress: addr,
+		Bloom:           bloom,
+		Logs: []*ethtypes.Log{
+			{
+				Data:        []byte{1, 2, 3, 4},
+				BlockNumber: 17,
+			},
+			{
+				Data:        []byte{5, 6, 7, 8},
+				BlockNumber: 18,
+			}},
+		Ret: ret,
+	}
+
+	require.True(t, strings.EqualFold(expectedResultDataStr, data.String()))
+}