144 lines
4.5 KiB
Go
144 lines
4.5 KiB
Go
package postgres_test
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import (
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"fmt"
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"strings"
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"math/big"
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"github.com/jmoiron/sqlx"
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_ "github.com/lib/pq"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"github.com/vulcanize/vulcanizedb/pkg/config"
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"github.com/vulcanize/vulcanizedb/pkg/core"
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"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
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"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres/repositories"
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"github.com/vulcanize/vulcanizedb/test_config"
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)
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var _ = Describe("Postgres DB", func() {
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var sqlxdb *sqlx.DB
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It("connects to the database", func() {
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var err error
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pgConfig := config.DbConnectionString(test_config.DBConfig)
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sqlxdb, err = sqlx.Connect("postgres", pgConfig)
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Expect(err).Should(BeNil())
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Expect(sqlxdb).ShouldNot(BeNil())
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})
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It("serializes big.Int to db", func() {
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// postgres driver doesn't support go big.Int type
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// various casts in golang uint64, int64, overflow for
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// transaction value (in wei) even though
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// postgres numeric can handle an arbitrary
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// sized int, so use string representation of big.Int
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// and cast on insert
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pgConnectString := config.DbConnectionString(test_config.DBConfig)
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db, err := sqlx.Connect("postgres", pgConnectString)
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Expect(err).NotTo(HaveOccurred())
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bi := new(big.Int)
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bi.SetString("34940183920000000000", 10)
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Expect(bi.String()).To(Equal("34940183920000000000"))
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defer db.Exec(`DROP TABLE IF EXISTS example`)
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_, err = db.Exec("CREATE TABLE example ( id INTEGER, data NUMERIC )")
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Expect(err).ToNot(HaveOccurred())
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sqlStatement := `
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INSERT INTO example (id, data)
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VALUES (1, cast($1 AS NUMERIC))`
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_, err = db.Exec(sqlStatement, bi.String())
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Expect(err).ToNot(HaveOccurred())
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var data string
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err = db.QueryRow(`SELECT data FROM example WHERE id = 1`).Scan(&data)
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Expect(err).ToNot(HaveOccurred())
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Expect(bi.String()).To(Equal(data))
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actual := new(big.Int)
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actual.SetString(data, 10)
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Expect(actual).To(Equal(bi))
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})
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It("does not commit block if block is invalid", func() {
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//badNonce violates db Nonce field length
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badNonce := fmt.Sprintf("x %s", strings.Repeat("1", 100))
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badBlock := core.Block{
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Number: 123,
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Nonce: badNonce,
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Transactions: []core.Transaction{},
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}
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node := core.Node{GenesisBlock: "GENESIS", NetworkID: 1, ID: "x123", ClientName: "geth"}
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db := test_config.NewTestDB(node)
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blocksRepository := repositories.BlockRepository{DB: db}
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_, err1 := blocksRepository.CreateOrUpdateBlock(badBlock)
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Expect(err1).To(HaveOccurred())
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savedBlock, err2 := blocksRepository.GetBlock(123)
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Expect(err2).To(HaveOccurred())
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Expect(savedBlock).To(BeZero())
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})
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It("throws error when can't connect to the database", func() {
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invalidDatabase := config.Database{}
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node := core.Node{GenesisBlock: "GENESIS", NetworkID: 1, ID: "x123", ClientName: "geth"}
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_, err := postgres.NewDB(invalidDatabase, node)
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Expect(err).To(Equal(postgres.ErrDBConnectionFailed))
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})
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It("throws error when can't create node", func() {
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badHash := fmt.Sprintf("x %s", strings.Repeat("1", 100))
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node := core.Node{GenesisBlock: badHash, NetworkID: 1, ID: "x123", ClientName: "geth"}
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_, err := postgres.NewDB(test_config.DBConfig, node)
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Expect(err).To(Equal(postgres.ErrUnableToSetNode))
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})
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It("does not commit log if log is invalid", func() {
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//badTxHash violates db tx_hash field length
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badTxHash := fmt.Sprintf("x %s", strings.Repeat("1", 100))
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badLog := core.Log{
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Address: "x123",
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BlockNumber: 1,
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TxHash: badTxHash,
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}
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node := core.Node{GenesisBlock: "GENESIS", NetworkID: 1, ID: "x123", ClientName: "geth"}
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db, _ := postgres.NewDB(test_config.DBConfig, node)
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logRepository := repositories.LogRepository{DB: db}
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err := logRepository.CreateLogs([]core.Log{badLog}, 123)
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Expect(err).ToNot(BeNil())
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savedBlock := logRepository.GetLogs("x123", 1)
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Expect(savedBlock).To(BeNil())
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})
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It("does not commit block or transactions if transaction is invalid", func() {
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//badHash violates db To field length
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badHash := fmt.Sprintf("x %s", strings.Repeat("1", 100))
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badTransaction := core.Transaction{To: badHash}
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block := core.Block{
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Number: 123,
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Transactions: []core.Transaction{badTransaction},
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}
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node := core.Node{GenesisBlock: "GENESIS", NetworkID: 1, ID: "x123", ClientName: "geth"}
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db, _ := postgres.NewDB(test_config.DBConfig, node)
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blockRepository := repositories.BlockRepository{DB: db}
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_, err1 := blockRepository.CreateOrUpdateBlock(block)
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Expect(err1).To(HaveOccurred())
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savedBlock, err2 := blockRepository.GetBlock(123)
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Expect(err2).To(HaveOccurred())
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Expect(savedBlock).To(BeZero())
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})
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})
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