Merge pull request #212 from binance-chain/bsc_base_slashcases

add testcases for slashing
bnb-chain · May 14, 2020 · c58cc35 · c58cc35
2 parents 4959dab + aeb4274
commit c58cc35
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Showing 4 changed files with 250 additions and 32 deletions.
diff --git a/x/slashing/claim_test.go b/x/slashing/claim_test.go
@@ -124,3 +124,104 @@ func TestSideChainSlashDowntime(t *testing.T) {
 	require.NotNil(t, sdkErr, "Expected got err of no signing info found, but got nil")
 
 }
+
+func TestSlashDowntimeBalanceVerify(t *testing.T) {
+
+	slashingParams := DefaultParams()
+	slashingParams.MaxEvidenceAge = 12 * 60 * 60 * time.Second
+	slashingParams.DowntimeSlashAmount = 8000e8
+	slashingParams.DowntimeSlashFee = 5000e8
+	ctx, sideCtx, bk, stakeKeeper, _, keeper := createSideTestInput(t, slashingParams)
+	hooks := keeper.ClaimHooks()
+
+	bondAmount := int64(10000e8)
+	// create validator to be allocated slashed amount further
+	valAddr1 := addrs[0]
+	sideConsAddr1, sideFeeAddr1 := createSideAddr(20), createSideAddr(20)
+	msgCreateVal := newTestMsgCreateSideValidator(valAddr1, sideConsAddr1, sideFeeAddr1, bondAmount)
+	ctx = ctx.WithBlockHeight(100)
+	got := stake.NewHandler(stakeKeeper, gov.Keeper{})(ctx, msgCreateVal)
+	require.True(t, got.IsOK(), "expected create validator msg to be ok, got: %v", got)
+	validator1, found := stakeKeeper.GetValidator(sideCtx, valAddr1)
+	require.True(t, found)
+	distributionAddr := validator1.DistributionAddr
+	stake.EndBreatheBlock(ctx, stakeKeeper)
+
+	// create a validator will be slashed amount
+	ctx = ctx.WithBlockHeight(200)
+	valAddr2 := addrs[1]
+	sideConsAddr2, sideFeeAddr2 := createSideAddr(20), createSideAddr(20)
+	msgCreateVal = newTestMsgCreateSideValidator(valAddr2, sideConsAddr2, sideFeeAddr2, bondAmount)
+	got = stake.NewHandler(stakeKeeper, gov.Keeper{})(ctx, msgCreateVal)
+	require.True(t, got.IsOK(), "expected create validator msg to be ok, got: %v", got)
+	// end block
+	stake.EndBreatheBlock(ctx, stakeKeeper)
+
+	sideHeight := int64(50)
+	sideChainId := "bsc"
+	sideTimestamp := ctx.BlockHeader().Time.Add(-6 * 60 * 60 * time.Second)
+	claim := SideDowntimeSlashClaim{
+		SideConsAddr:  sideConsAddr2,
+		SideHeight:    sideHeight,
+		SideChainId:   sideChainId,
+		SideTimestamp: sideTimestamp.Unix(),
+	}
+	jsonClaim, err := json.Marshal(claim)
+	require.Nil(t, err)
+	sdkErr := hooks.CheckClaim(ctx, string(jsonClaim))
+	require.Nil(t, sdkErr)
+
+	_, sdkErr = hooks.ExecuteClaim(ctx, string(jsonClaim))
+	require.Nil(t, sdkErr)
+
+	validator2, found := stakeKeeper.GetValidator(sideCtx, valAddr2)
+	require.True(t, found)
+	require.True(t, validator2.Jailed)
+	require.EqualValues(t, 2000e8, validator2.Tokens.RawInt())
+	require.EqualValues(t, 2000e8, validator2.DelegatorShares.RawInt())
+
+	delegation, found := stakeKeeper.GetDelegation(sideCtx, sdk.AccAddress(valAddr2), valAddr2)
+	require.True(t, found)
+	require.EqualValues(t, 2000e8, delegation.Shares.RawInt()) // slashed 8000e8 from validator2 delegation
+
+	require.EqualValues(t,5000e8, fees.Pool.BlockFees().Tokens.AmountOf("steak")) // add 5000e8 as DowntimeSlashFee to fee pool
+
+	coins := bk.GetCoins(ctx, distributionAddr)
+	require.EqualValues(t, 3000e8, coins.AmountOf("steak")) // remaining amount(3000e8) allocated to
+
+	sideHeight = int64(80)
+	sideChainId = "bsc"
+	sideTimestamp = ctx.BlockHeader().Time.Add(-3 * 60 * 60 * time.Second)
+	claim = SideDowntimeSlashClaim{
+		SideConsAddr:  sideConsAddr2,
+		SideHeight:    sideHeight,
+		SideChainId:   sideChainId,
+		SideTimestamp: sideTimestamp.Unix(),
+	}
+	jsonClaim, err = json.Marshal(claim)
+	require.Nil(t, err)
+	sdkErr = hooks.CheckClaim(ctx, string(jsonClaim))
+	require.Nil(t, sdkErr)
+	_, sdkErr = hooks.ExecuteClaim(ctx, string(jsonClaim))
+	require.Nil(t, sdkErr)
+
+	validator2, found = stakeKeeper.GetValidator(sideCtx, valAddr2)
+	require.True(t, found)
+	require.True(t, validator2.Jailed)
+	require.EqualValues(t, 0, validator2.Tokens.RawInt())
+	require.EqualValues(t, 0, validator2.DelegatorShares.RawInt())
+
+	_, found = stakeKeeper.GetDelegation(sideCtx, sdk.AccAddress(valAddr2), valAddr2)
+	require.False(t, found)
+
+	realSlashedAmount := int64(2000e8)
+	require.EqualValues(t,slashingParams.DowntimeSlashFee + realSlashedAmount, fees.Pool.BlockFees().Tokens.AmountOf("steak"))
+
+	coins = bk.GetCoins(ctx, distributionAddr)
+	require.EqualValues(t, 3000e8, coins.AmountOf("steak"))
+
+	// end block
+	stake.EndBreatheBlock(ctx, stakeKeeper)
+	_, found = stakeKeeper.GetValidator(sideCtx, valAddr2)
+	require.False(t,found)
+}