Function TestReorgShortBlocks

core/blockchain_test.go:308–322

Tests that reorganising a long difficult chain after a short easy one overwrites the canonical numbers and links in the database. func TestReorgLongBlocks(t *testing.T) { testReorg(t, []int64{0, 0, -9}, []int64{0, 0, 0, -9}, 1) } Tests that reorganising a short difficult chain after a long easy one

(t *testing.T)

// Tests that reorganising a short difficult chain after a long easy one
// overwrites the canonical numbers and links in the database.
func TestReorgShortBlocks(t *testing.T) {
	t.Skip("=== Diff TestReorgShortBlocks failed to insert easy chain: invalid signer list on checkpoint block")
	// Create a long easy chain vs. a short heavy one. Due to difficulty adjustment
	// we need a fairly long chain of blocks with different difficulties for a short
	// one to become heavyer than a long one. The 96 is an empirical value.
	easy := make([]int64, 96)
	for i := 0; i < len(easy); i++ {
		easy[i] = 60
	}
	diff := make([]int64, len(easy)-1)
	for i := 0; i < len(diff); i++ {
		diff[i] = -9
	}
	testReorg(t, easy, diff, 12615120)
}

func testReorg(t *testing.T, first, second []int64, td int64) {
	// Create a pristine chain and database