Added unit test cases in side handler of staking

staking/side_handler_test.go

@@ -1,6 +1,8 @@
 package staking_test
 
 import (
+	"encoding/json"
+	"errors"
 	"math/big"
 	"math/rand"
 	"testing"
@@ -26,6 +28,8 @@ import (
 	"github.com/stretchr/testify/suite"
 	abci "github.com/tendermint/tendermint/abci/types"
 	"github.com/tendermint/tendermint/crypto/secp256k1"
+
+	cmn "github.com/ethereum/go-ethereum/common"
 )
 
 //
@@ -1354,3 +1358,103 @@ func (suite *SideHandlerTestSuite) TestPostHandleMsgStakeUpdate() {
 		require.Equal(t, acctualPower.Int64(), updatedVal.VotingPower, "Validator VotingPower should be updated to %v", newAmount.Uint64())
 	})
 }
+
+func TestEventCheck(t *testing.T) {
+	t.Parallel()
+	contractCaller, err := helper.NewContractCaller()
+	if err != nil {
+		t.Error("Error creating contract caller")
+	}
+
+	receipt := ethTypes.Receipt{}
+
+	err = json.Unmarshal([]byte(`{
+	               "type": "0x2",
+	               "root": "0x",
+	               "status": "0x1",
+	               "cumulativeGasUsed": "0x155957",
+	               "logsBloom": "0x20000000000000000000000000800008000000000000000000001000000000000200000040000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000200001000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000010000000000000000000000000000000200000000000000004000000000",
+	               "logs": [
+	                 {
+	                       "address": "0xa59c847bd5ac0172ff4fe912c5d29e5a71a7512b",
+	                       "topics": [
+	                         "0x086044c0612a8c965d4cccd907f0d588e40ad68438bd4c1274cac60f4c3a9d1f",
+	                         "0x0000000000000000000000000000000000000000000000000000000000000013",
+	                         "0x00000000000000000000000072f93a2740e00112d5f2cef404c0aa16fae21fa4",
+	                         "0x0000000000000000000000003a5f70ac0551d5fae2b2379c6e558f6b7efa6a0d"
+	                       ],
+	                       "data": "0x000000000000000000000000000000000000000000000000000000000000039400000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040c8df79b1015f5bc235c9242bee499f2a5e25ad2c33b70561c2ba67118a00a1fe024dccfb65960ab91dfcd30b521fa1aa692b21ca251ec8063b2fc0a343a1b0bc",
+	                       "blockNumber": "0x116fbce",
+	                       "transactionHash": "0x496c8a0b022c3aa582f275f1f84424c679155b120fc09e7ec8051334e653ef64",
+	                       "transactionIndex": "0x10",
+	                       "blockHash": "0x1377ba799fa1f4d3924297f951e3a8095735334d1ff8099aae9467947164213f",
+	                       "logIndex": "0x14",
+	                       "removed": false
+	                 }
+	               ],
+	               "transactionHash": "0x496c8a0b022c3aa582f275f1f84424c679155b120fc09e7ec8051334e653ef64",
+	               "contractAddress": "0x0000000000000000000000000000000000000000",
+	               "gasUsed": "0x75a65",
+	               "effectiveGasPrice": "0x20fb31dfe",
+	               "blockHash": "0x1377ba799fa1f4d3924297f951e3a8095735334d1ff8099aae9467947164213f",
+	               "blockNumber": "0x116fbce",
+	               "transactionIndex": "0x10"
+	         }
+	         `), &receipt)
+
+	if err != nil {
+		t.Error(err)
+		return
+	}
+
+	_, err = contractCaller.DecodeValidatorStakeUpdateEvent(cmn.HexToAddress("0xa59c847bd5ac0172ff4fe912c5d29e5a71a7512b"), &receipt, 0x14)
+	if err.Error() != errors.New("topic event mismatch").Error() {
+		t.Error(err)
+		return
+	}
+
+	err = json.Unmarshal([]byte(`{
+		"type": "0x2",
+		"root": "0x",
+		"status": "0x1",
+		"cumulativeGasUsed": "0x155957",
+		"logsBloom": "0x20000000000000000000000000800008000000000000000000001000000000000200000040000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000200001000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000010000000000000000000000000000000200000000000000004000000000",
+		"logs": [
+		  {
+				"address": "0xa59c847bd5ac0172ff4fe912c5d29e5a71a7512b",
+				"topics": [
+				  "0x35af9eea1f0e7b300b0a14fae90139a072470e44daa3f14b5069bebbc1265bda",
+				  "0x0000000000000000000000000000000000000000000000000000000000000013",
+				  "0x00000000000000000000000072f93a2740e00112d5f2cef404c0aa16fae21fa4",
+				  "0x0000000000000000000000003a5f70ac0551d5fae2b2379c6e558f6b7efa6a0d"
+				],
+				"data": "0x000000000000000000000000000000000000000000000000000000000000039400000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000040c8df79b1015f5bc235c9242bee499f2a5e25ad2c33b70561c2ba67118a00a1fe024dccfb65960ab91dfcd30b521fa1aa692b21ca251ec8063b2fc0a343a1b0bc",
+				"blockNumber": "0x116fbce",
+				"transactionHash": "0x496c8a0b022c3aa582f275f1f84424c679155b120fc09e7ec8051334e653ef64",
+				"transactionIndex": "0x10",
+				"blockHash": "0x1377ba799fa1f4d3924297f951e3a8095735334d1ff8099aae9467947164213f",
+				"logIndex": "0x14",
+				"removed": false
+		  }
+		],
+		"transactionHash": "0x496c8a0b022c3aa582f275f1f84424c679155b120fc09e7ec8051334e653ef64",
+		"contractAddress": "0x0000000000000000000000000000000000000000",
+		"gasUsed": "0x75a65",
+		"effectiveGasPrice": "0x20fb31dfe",
+		"blockHash": "0x1377ba799fa1f4d3924297f951e3a8095735334d1ff8099aae9467947164213f",
+		"blockNumber": "0x116fbce",
+		"transactionIndex": "0x10"
+  	}
+  	`), &receipt)
+
+	if err != nil {
+		t.Error(err)
+		return
+	}
+
+	_, err = contractCaller.DecodeValidatorStakeUpdateEvent(cmn.HexToAddress("0xa59c847bd5ac0172ff4fe912c5d29e5a71a7512b"), &receipt, 0x14)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+}