fix: fixed missing coin denomination in msg server logs (backport #97…

…86) (#9844)

* fix: fixed missing coin denomination in msg server logs (#9786)

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## Description

Closes: [#9785](cosmos/cosmos-sdk#9785)

This PR modifies _x/staking/keeper/msg_server.go_ file and fixes coin denomination issues in the emitted events.

CHANGELOG.md

@@ -54,6 +54,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 * [\#9793](https://github.com/cosmos/cosmos-sdk/pull/9793) Fixed ECDSA/secp256r1 transaction malleability.
 
+### Client-Breaking Changes
+
+* [\#9785](https://github.com/cosmos/cosmos-sdk/issues/9785) Missing coin denomination in logs
+
 ### CLI Breaking Changes
 
 * [\#9827](https://github.com/cosmos/cosmos-sdk/pull/9827) Ensure input parity of validator public key input between `tx staking create-validator` and `gentx`.

x/staking/client/testutil/suite.go

@@ -206,6 +206,15 @@ func (s *IntegrationTestSuite) TestNewCreateValidatorCmd() {
 				txResp := tc.respType.(*sdk.TxResponse)
 				require.Equal(tc.expectedCode, txResp.Code,
 					"test: %s, output\n:", tc.name, out.String())
+
+				events := txResp.Logs[0].GetEvents()
+				for i := 0; i < len(events); i++ {
+					if events[i].GetType() == "create_validator" {
+						attributes := events[i].GetAttributes()
+						require.Equal(attributes[1].Value, "100stake")
+						break
+					}
+				}
 			}
 		})
 	}

x/staking/keeper/msg_server.go

@@ -110,7 +110,7 @@ func (k msgServer) CreateValidator(goCtx context.Context, msg *types.MsgCreateVa
 		sdk.NewEvent(
 			types.EventTypeCreateValidator,
 			sdk.NewAttribute(types.AttributeKeyValidator, msg.ValidatorAddress),
-			sdk.NewAttribute(sdk.AttributeKeyAmount, msg.Value.Amount.String()),
+			sdk.NewAttribute(sdk.AttributeKeyAmount, msg.Value.String()),
 		),
 		sdk.NewEvent(
 			sdk.EventTypeMessage,
@@ -231,7 +231,7 @@ func (k msgServer) Delegate(goCtx context.Context, msg *types.MsgDelegate) (*typ
 		sdk.NewEvent(
 			types.EventTypeDelegate,
 			sdk.NewAttribute(types.AttributeKeyValidator, msg.ValidatorAddress),
-			sdk.NewAttribute(sdk.AttributeKeyAmount, msg.Amount.Amount.String()),
+			sdk.NewAttribute(sdk.AttributeKeyAmount, msg.Amount.String()),
 			sdk.NewAttribute(types.AttributeKeyNewShares, newShares.String()),
 		),
 		sdk.NewEvent(
@@ -297,7 +297,7 @@ func (k msgServer) BeginRedelegate(goCtx context.Context, msg *types.MsgBeginRed
 			types.EventTypeRedelegate,
 			sdk.NewAttribute(types.AttributeKeySrcValidator, msg.ValidatorSrcAddress),
 			sdk.NewAttribute(types.AttributeKeyDstValidator, msg.ValidatorDstAddress),
-			sdk.NewAttribute(sdk.AttributeKeyAmount, msg.Amount.Amount.String()),
+			sdk.NewAttribute(sdk.AttributeKeyAmount, msg.Amount.String()),
 			sdk.NewAttribute(types.AttributeKeyCompletionTime, completionTime.Format(time.RFC3339)),
 		),
 		sdk.NewEvent(
@@ -358,7 +358,7 @@ func (k msgServer) Undelegate(goCtx context.Context, msg *types.MsgUndelegate) (
 		sdk.NewEvent(
 			types.EventTypeUnbond,
 			sdk.NewAttribute(types.AttributeKeyValidator, msg.ValidatorAddress),
-			sdk.NewAttribute(sdk.AttributeKeyAmount, msg.Amount.Amount.String()),
+			sdk.NewAttribute(sdk.AttributeKeyAmount, msg.Amount.String()),
 			sdk.NewAttribute(types.AttributeKeyCompletionTime, completionTime.Format(time.RFC3339)),
 		),
 		sdk.NewEvent(