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core: implement (*Blockchain).CalculateClaimable

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Calculating amount of GAS that can be claimed is required
for getclaimable RPC.
This commit is contained in:
Evgenii Stratonikov 2020-02-25 16:15:17 +03:00
parent 252a9f2f31
commit 7095ec6c51
4 changed files with 99 additions and 0 deletions
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40
pkg/core/blockchain_test.go
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@ -175,6 +175,46 @@ func TestGetTransaction(t *testing.T) {
}
}
func TestGetClaimable(t *testing.T) {
bc := newTestChain(t)
_, _, err := bc.CalculateClaimable(util.Fixed8FromInt64(1), 0, 2)
require.Error(t, err)
bc.generationAmount = []int{4, 3, 2, 1}
bc.decrementInterval = 2
_, err = bc.genBlocks(10)
require.NoError(t, err)
t.Run("first generation period", func(t *testing.T) {
amount, sysfee, err := bc.CalculateClaimable(util.Fixed8FromInt64(1), 0, 2)
require.NoError(t, err)
require.EqualValues(t, 8, amount)
require.EqualValues(t, 0, sysfee)
})
t.Run("a number of full periods", func(t *testing.T) {
amount, sysfee, err := bc.CalculateClaimable(util.Fixed8FromInt64(1), 0, 6)
require.NoError(t, err)
require.EqualValues(t, 4+4+3+3+2+2, amount)
require.EqualValues(t, 0, sysfee)
})
t.Run("start from the 2-nd block", func(t *testing.T) {
amount, sysfee, err := bc.CalculateClaimable(util.Fixed8FromInt64(1), 1, 7)
require.NoError(t, err)
require.EqualValues(t, 4+3+3+2+2+1, amount)
require.EqualValues(t, 0, sysfee)
})
t.Run("end height after generation has ended", func(t *testing.T) {
amount, sysfee, err := bc.CalculateClaimable(util.Fixed8FromInt64(1), 1, 10)
require.NoError(t, err)
require.EqualValues(t, 4+3+3+2+2+1+1, amount)
require.EqualValues(t, 0, sysfee)
})
}
func TestClose(t *testing.T) {
defer func() {
r := recover()