Function TestBlocksInsertNonceError

core/blockchain_test.go:417–455

Tests that the insertion functions detect banned hashes. func TestBadBlockHashes(t *testing.T) { // Create a pristine chain and database db := database.NewMemDatabase() blockchain, err := newCanonical(fakeDpor(db), 0, db) if err != nil { t.Fatalf("failed to create pristine chain: %v", err) }

(t *testing.T)

// Tests chain insertions in the face of one entity containing an invalid nonce.
func TestBlocksInsertNonceError(t *testing.T) {
	t.Skip("===TestBlocksInsertNonceError invalid block in chain")
	for i := 1; i < 25 && !t.Failed(); i++ {
		// Create a pristine chain and database
		db := database.NewMemDatabase()
		blockchain, err := newCanonical(fakeDpor(db), 0, db)
		if err != nil {
			t.Fatalf("failed to create pristine chain: %v", err)
		}
		defer blockchain.Stop()

		// Create and insert a chain with a failing nonce
		var (
			failAt  int
			failRes int
			failNum uint64
		)
		blocks := makeBlockChain(blockchain.CurrentBlock(), i, fakeDpor(db), db, 0)

		failAt = rand.Int() % len(blocks)
		failNum = blocks[failAt].NumberU64()

		config := configs.ChainConfigInfo().Dpor
		d := dpor.NewFakeFailer(config, db, failNum)

		blockchain.engine = d
		failRes, err = blockchain.InsertChain(blocks)
		// Check that the returned error indicates the failure.
		if failRes != failAt {
			t.Errorf("test %d: failure index mismatch: have %d, want %d", i, failRes, failAt)
		}
		// Check that all no blocks after the failing block have been inserted.
		for j := 0; j < i-failAt; j++ {
			if block := blockchain.GetBlockByNumber(failNum + uint64(j)); block != nil {
				t.Errorf("test %d: invalid block in chain: %v", i, block)
			}
		}
	}
}

// Tests that chain reorganisations handle transaction removals and reinsertions.
func TestChainTxReorgs(t *testing.T) {