126 lines
4.3 KiB
Go
126 lines
4.3 KiB
Go
package geth_test
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import (
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"context"
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"math/big"
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"github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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vulcCore "github.com/vulcanize/vulcanizedb/pkg/core"
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"github.com/vulcanize/vulcanizedb/pkg/fakes"
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"github.com/vulcanize/vulcanizedb/pkg/geth"
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"github.com/vulcanize/vulcanizedb/pkg/geth/converters/cold_db"
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)
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var _ = Describe("Geth blockchain", func() {
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Describe("getting a block", func() {
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It("fetches block from client", func() {
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mockClient := fakes.NewMockClient()
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mockClient.SetBlockByNumberReturnBlock(types.NewBlockWithHeader(&types.Header{}))
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node := vulcCore.Node{}
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blockChain := geth.NewBlockChain(mockClient, node, cold_db.NewColdDbTransactionConverter())
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blockNumber := int64(100)
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_, err := blockChain.GetBlockByNumber(blockNumber)
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Expect(err).NotTo(HaveOccurred())
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mockClient.AssertBlockByNumberCalledWith(context.Background(), big.NewInt(blockNumber))
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})
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It("returns err if client returns err", func() {
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mockClient := fakes.NewMockClient()
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mockClient.SetBlockByNumberErr(fakes.FakeError)
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node := vulcCore.Node{}
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blockChain := geth.NewBlockChain(mockClient, node, cold_db.NewColdDbTransactionConverter())
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_, err := blockChain.GetBlockByNumber(100)
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Expect(err).To(HaveOccurred())
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Expect(err).To(MatchError(fakes.FakeError))
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})
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})
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Describe("getting a header", func() {
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It("fetches header from client", func() {
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mockClient := fakes.NewMockClient()
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blockNumber := int64(100)
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mockClient.SetHeaderByNumberReturnHeader(&types.Header{Number: big.NewInt(blockNumber)})
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node := vulcCore.Node{}
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blockChain := geth.NewBlockChain(mockClient, node, cold_db.NewColdDbTransactionConverter())
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_, err := blockChain.GetHeaderByNumber(blockNumber)
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Expect(err).NotTo(HaveOccurred())
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mockClient.AssertHeaderByNumberCalledWith(context.Background(), big.NewInt(blockNumber))
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})
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It("returns err if client returns err", func() {
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mockClient := fakes.NewMockClient()
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mockClient.SetHeaderByNumberErr(fakes.FakeError)
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node := vulcCore.Node{}
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blockChain := geth.NewBlockChain(mockClient, node, cold_db.NewColdDbTransactionConverter())
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_, err := blockChain.GetHeaderByNumber(100)
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Expect(err).To(HaveOccurred())
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Expect(err).To(MatchError(fakes.FakeError))
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})
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})
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Describe("getting logs", func() {
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It("fetches logs from client", func() {
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mockClient := fakes.NewMockClient()
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mockClient.SetFilterLogsReturnLogs([]types.Log{{}})
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node := vulcCore.Node{}
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blockChain := geth.NewBlockChain(mockClient, node, cold_db.NewColdDbTransactionConverter())
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contract := vulcCore.Contract{Hash: common.BytesToHash([]byte{1, 2, 3, 4, 5}).Hex()}
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startingBlockNumber := big.NewInt(1)
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endingBlockNumber := big.NewInt(2)
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_, err := blockChain.GetLogs(contract, startingBlockNumber, endingBlockNumber)
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Expect(err).NotTo(HaveOccurred())
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expectedQuery := ethereum.FilterQuery{
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FromBlock: startingBlockNumber,
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ToBlock: endingBlockNumber,
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Addresses: []common.Address{common.HexToAddress(contract.Hash)},
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}
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mockClient.AssertFilterLogsCalledWith(context.Background(), expectedQuery)
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})
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It("returns err if client returns err", func() {
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mockClient := fakes.NewMockClient()
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mockClient.SetFilterLogsErr(fakes.FakeError)
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node := vulcCore.Node{}
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blockChain := geth.NewBlockChain(mockClient, node, cold_db.NewColdDbTransactionConverter())
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contract := vulcCore.Contract{Hash: common.BytesToHash([]byte{1, 2, 3, 4, 5}).Hex()}
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startingBlockNumber := big.NewInt(1)
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endingBlockNumber := big.NewInt(2)
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_, err := blockChain.GetLogs(contract, startingBlockNumber, endingBlockNumber)
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Expect(err).To(HaveOccurred())
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Expect(err).To(MatchError(fakes.FakeError))
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})
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})
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Describe("getting the most recent block number", func() {
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It("fetches latest header from client", func() {
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mockClient := fakes.NewMockClient()
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blockNumber := int64(100)
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mockClient.SetHeaderByNumberReturnHeader(&types.Header{Number: big.NewInt(blockNumber)})
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node := vulcCore.Node{}
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blockChain := geth.NewBlockChain(mockClient, node, cold_db.NewColdDbTransactionConverter())
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result := blockChain.LastBlock()
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mockClient.AssertHeaderByNumberCalledWith(context.Background(), nil)
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Expect(result).To(Equal(big.NewInt(blockNumber)))
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})
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})
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})
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