add event and unittest

docs/core/proto-docs.md

@@ -776,6 +776,7 @@
     - [EventProvision](#lbm.fbridge.v1.EventProvision)
     - [EventSuggestRole](#lbm.fbridge.v1.EventSuggestRole)
     - [EventTransfer](#lbm.fbridge.v1.EventTransfer)
+    - [EventUpdateParams](#lbm.fbridge.v1.EventUpdateParams)
 
 - [lbm/fbridge/v1/genesis.proto](#lbm/fbridge/v1/genesis.proto)
     - [BlockSeqInfo](#lbm.fbridge.v1.BlockSeqInfo)
@@ -11722,6 +11723,21 @@ VoteOption enumerates the valid vote options for a given role proposal.
 
 
 
+
+<a name="lbm.fbridge.v1.EventUpdateParams"></a>
+
+### EventUpdateParams
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `params` | [Params](#lbm.fbridge.v1.Params) |  |  |
+
+
+
+
+
  <!-- end messages -->
 
  <!-- end enums -->

proto/lbm/fbridge/v1/event.proto

@@ -6,6 +6,10 @@ option go_package = "github.com/Finschia/finschia-sdk/x/fbridge/types";
 import "gogoproto/gogo.proto";
 import "lbm/fbridge/v1/fbridge.proto";
 
+message EventUpdateParams {
+  Params params = 1 [(gogoproto.nullable) = false];
+}
+
 message EventTransfer {
   // the sequence number of the bridge request
   uint64 seq = 1;

x/fbridge/keeper/msg_server.go

@@ -32,6 +32,12 @@ func (m msgServer) UpdateParams(goCtx context.Context, msg *types.MsgUpdateParam
 		return nil, err
 	}
 
+	if err := ctx.EventManager().EmitTypedEvent(&types.EventUpdateParams{
+		Params: msg.Params,
+	}); err != nil {
+		panic(err)
+	}
+
 	return &types.MsgUpdateParamsResponse{}, nil
 }
 

x/fbridge/keeper/params_test.go

@@ -0,0 +1,118 @@
+package keeper
+
+import (
+	"github.com/stretchr/testify/require"
+	"testing"
+
+	"github.com/Finschia/finschia-sdk/x/fbridge/testutil"
+	"github.com/Finschia/finschia-sdk/x/fbridge/types"
+)
+
+func TestSetParams(t *testing.T) {
+	key, memKey, ctx, encCfg, authKeeper, bankKeeper, _ := testutil.PrepareFbridgeTest(t, 0)
+	keeper := NewKeeper(encCfg.Codec, key, memKey, authKeeper, bankKeeper, types.DefaultAuthority().String())
+
+	tcs := map[string]struct {
+		malleate func() types.Params
+		isErr    bool
+	}{
+		"invalid guardian trust level": {
+			malleate: func() types.Params {
+				params := types.Params{}
+				params.GuardianTrustLevel = types.Fraction{Numerator: 4, Denominator: 3}
+				return params
+			},
+			isErr: true,
+		},
+		"invalid operator trust level": {
+			malleate: func() types.Params {
+				params := types.Params{}
+				params.GuardianTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.OperatorTrustLevel = types.Fraction{Numerator: 4, Denominator: 3}
+				return params
+			},
+			isErr: true,
+		},
+		"invalid judge trust level": {
+			malleate: func() types.Params {
+				params := types.Params{}
+				params.GuardianTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.OperatorTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.JudgeTrustLevel = types.Fraction{Numerator: 4, Denominator: 3}
+				return params
+			},
+			isErr: true,
+		},
+		"invalid proposal period": {
+			malleate: func() types.Params {
+				params := types.Params{}
+				params.GuardianTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.OperatorTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.JudgeTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.ProposalPeriod = 0
+				return params
+			},
+			isErr: true,
+		},
+		"invalid timelock period": {
+			malleate: func() types.Params {
+				params := types.Params{}
+				params.GuardianTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.OperatorTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.JudgeTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.ProposalPeriod = 10
+				params.TimelockPeriod = 0
+				return params
+			},
+			isErr: true,
+		},
+		"invalid target denom": {
+			malleate: func() types.Params {
+				params := types.Params{}
+				params.GuardianTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.OperatorTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.JudgeTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.ProposalPeriod = 10
+				params.TimelockPeriod = 20
+				params.TargetDenom = ""
+				return params
+			},
+			isErr: true,
+		},
+		"missing some fields": {
+			malleate: func() types.Params {
+				params := types.Params{}
+				params.GuardianTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.OperatorTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.JudgeTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.TimelockPeriod = 20
+				return params
+			},
+			isErr: true,
+		},
+		"valid": {
+			malleate: func() types.Params {
+				params := types.Params{}
+				params.GuardianTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.OperatorTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.JudgeTrustLevel = types.Fraction{Numerator: 2, Denominator: 3}
+				params.ProposalPeriod = 10
+				params.TimelockPeriod = 20
+				params.TargetDenom = "stake"
+				return params
+			},
+			isErr: false,
+		},
+	}
+
+	for name, tc := range tcs {
+		t.Run(name, func(t *testing.T) {
+			params := tc.malleate()
+			if tc.isErr {
+				require.Error(t, keeper.SetParams(ctx, params))
+			} else {
+				require.NoError(t, keeper.SetParams(ctx, params))
+			}
+		})
+	}
+}