ipld-eth-server/integration_test/geth_blockchain_test.go

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package integration_test
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/inmemory"
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"github.com/vulcanize/vulcanizedb/pkg/geth"
"github.com/vulcanize/vulcanizedb/pkg/history"
"github.com/vulcanize/vulcanizedb/test_config"
)
var _ = Describe("Reading from the Geth blockchain", func() {
var blockchain *geth.BlockChain
var inMemory *inmemory.InMemory
BeforeEach(func() {
blockchain = geth.NewBlockChain(test_config.InfuraClient.IPCPath)
inMemory = inmemory.NewInMemory()
})
It("reads two blocks", func(done Done) {
blocks := &inmemory.BlockRepository{InMemory: inMemory}
lastBlock := blockchain.LastBlock()
queriedBlocks := []int64{lastBlock.Int64() - 5, lastBlock.Int64() - 6}
history.RetrieveAndUpdateBlocks(blockchain, blocks, queriedBlocks)
Expect(blocks.BlockCount()).To(Equal(2))
close(done)
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}, 30)
It("retrieves the genesis block and first block", func(done Done) {
genesisBlock, err := blockchain.GetBlockByNumber(int64(0))
Expect(err).ToNot(HaveOccurred())
firstBlock, err := blockchain.GetBlockByNumber(int64(1))
Expect(err).ToNot(HaveOccurred())
lastBlockNumber := blockchain.LastBlock()
Expect(genesisBlock.Number).To(Equal(int64(0)))
Expect(firstBlock.Number).To(Equal(int64(1)))
Expect(lastBlockNumber.Int64()).To(BeNumerically(">", 0))
close(done)
}, 15)
It("retrieves the node info", func(done Done) {
node := blockchain.Node()
mainnetID := float64(1)
Expect(node.GenesisBlock).ToNot(BeNil())
Expect(node.NetworkID).To(Equal(mainnetID))
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Expect(len(node.ID)).ToNot(BeZero())
Expect(node.ClientName).ToNot(BeZero())
close(done)
}, 15)
//Benchmarking test: remove skip to test performance of block retrieval
XMeasure("retrieving n blocks", func(b Benchmarker) {
b.Time("runtime", func() {
var blocks []core.Block
n := 10
for i := 5327459; i > 5327459-n; i-- {
block, err := blockchain.GetBlockByNumber(int64(i))
Expect(err).ToNot(HaveOccurred())
blocks = append(blocks, block)
}
Expect(len(blocks)).To(Equal(n))
})
}, 10)
})