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Add testcase for slash at negative height

This commit is contained in:
Christopher Goes 2018-10-05 13:40:00 +02:00
parent a2113b24dc
commit 018aaeb443
1 changed files with 28 additions and 0 deletions
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28
x/stake/keeper/slash_test.go
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@ -191,6 +191,34 @@ func TestSlashAtFutureHeight(t *testing.T) {
require.Panics(t, func() { keeper.Slash(ctx, consAddr, 1, 10, fraction) })
}
// test slash at a negative height
// this just represents pre-genesis and should have the same effect as slashing at height 0
func TestSlashAtNegativeHeight(t *testing.T) {
ctx, keeper, _ := setupHelper(t, 10)
consAddr := sdk.ConsAddress(PKs[0].Address())
fraction := sdk.NewDecWithPrec(5, 1)
oldPool := keeper.GetPool(ctx)
validator, found := keeper.GetValidatorByConsAddr(ctx, consAddr)
require.True(t, found)
keeper.Slash(ctx, consAddr, -2, 10, fraction)
// read updated state
validator, found = keeper.GetValidatorByConsAddr(ctx, consAddr)
require.True(t, found)
newPool := keeper.GetPool(ctx)
// end block
updates := keeper.ApplyAndReturnValidatorSetUpdates(ctx)
require.Equal(t, 1, len(updates), "cons addr: %v, updates: %v", []byte(consAddr), updates)
validator = keeper.mustGetValidator(ctx, validator.OperatorAddr)
// power decreased
require.Equal(t, sdk.NewDec(5), validator.GetPower())
// pool bonded shares decreased
require.Equal(t, sdk.NewDec(5).RoundInt64(), oldPool.BondedTokens.Sub(newPool.BondedTokens).RoundInt64())
}
// tests Slash at the current height
func TestSlashValidatorAtCurrentHeight(t *testing.T) {
ctx, keeper, _ := setupHelper(t, 10)