forked from cerc-io/ipld-eth-server
266c9587c8
* Update Block w/ newest Block * Add cascading delete to blocks and transactions tables * Add handling for new conflicting blocks * Command line version of sliding window n behind HEAD
104 lines
3.2 KiB
Go
104 lines
3.2 KiB
Go
package history_test
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import (
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"github.com/8thlight/vulcanizedb/pkg/core"
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"github.com/8thlight/vulcanizedb/pkg/fakes"
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"github.com/8thlight/vulcanizedb/pkg/history"
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"github.com/8thlight/vulcanizedb/pkg/repositories"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("Populating blocks", func() {
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It("fills in the only missing block", func() {
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blocks := []core.Block{{Number: 1, Hash: "x012343"}}
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blockchain := fakes.NewBlockchainWithBlocks(blocks)
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repository := repositories.NewInMemory()
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repository.CreateOrUpdateBlock(core.Block{Number: 2})
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history.PopulateMissingBlocks(blockchain, repository, 1)
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block, err := repository.FindBlockByNumber(1)
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Expect(err).ToNot(HaveOccurred())
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Expect(block.Hash).To(Equal("x012343"))
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})
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It("fills in the three missing blocks (5,8,10)", func() {
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blockchain := fakes.NewBlockchainWithBlocks([]core.Block{
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{Number: 4},
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{Number: 5},
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{Number: 8},
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{Number: 10},
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{Number: 13},
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})
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repository := repositories.NewInMemory()
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repository.CreateOrUpdateBlock(core.Block{Number: 1})
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repository.CreateOrUpdateBlock(core.Block{Number: 2})
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repository.CreateOrUpdateBlock(core.Block{Number: 3})
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repository.CreateOrUpdateBlock(core.Block{Number: 6})
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repository.CreateOrUpdateBlock(core.Block{Number: 7})
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repository.CreateOrUpdateBlock(core.Block{Number: 9})
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repository.CreateOrUpdateBlock(core.Block{Number: 11})
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repository.CreateOrUpdateBlock(core.Block{Number: 12})
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history.PopulateMissingBlocks(blockchain, repository, 5)
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Expect(repository.BlockCount()).To(Equal(11))
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_, err := repository.FindBlockByNumber(4)
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Expect(err).To(HaveOccurred())
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_, err = repository.FindBlockByNumber(5)
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Expect(err).ToNot(HaveOccurred())
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_, err = repository.FindBlockByNumber(8)
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Expect(err).ToNot(HaveOccurred())
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_, err = repository.FindBlockByNumber(10)
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Expect(err).ToNot(HaveOccurred())
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_, err = repository.FindBlockByNumber(13)
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Expect(err).To(HaveOccurred())
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})
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It("updates the repository with a range of blocks w/in sliding window ", func() {
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blockchain := fakes.NewBlockchainWithBlocks([]core.Block{
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{Number: 1},
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{Number: 2},
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{Number: 3},
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{Number: 4},
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{Number: 5},
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})
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repository := repositories.NewInMemory()
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repository.CreateOrUpdateBlock(blockchain.GetBlockByNumber(5))
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history.UpdateBlocksWindow(blockchain, repository, 2)
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Expect(repository.BlockCount()).To(Equal(3))
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Expect(repository.HandleBlockCallCount).To(Equal(3))
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})
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It("Generates a range of int64", func() {
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numberOfBlocksCreated := history.MakeRange(0, 5)
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expected := []int64{0, 1, 2, 3, 4}
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Expect(numberOfBlocksCreated).To(Equal(expected))
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})
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It("returns the number of blocks created", func() {
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blockchain := fakes.NewBlockchainWithBlocks([]core.Block{
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{Number: 4},
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{Number: 5},
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})
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repository := repositories.NewInMemory()
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repository.CreateOrUpdateBlock(core.Block{Number: 3})
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repository.CreateOrUpdateBlock(core.Block{Number: 6})
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numberOfBlocksCreated := history.PopulateMissingBlocks(blockchain, repository, 3)
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Expect(numberOfBlocksCreated).To(Equal(2))
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})
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It("returns the window size", func() {
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window := history.Window{1, 3, 10}
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Expect(window.Size()).To(Equal(2))
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})
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})
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