128 lines
4.7 KiB
Go
128 lines
4.7 KiB
Go
package price_feeds_test
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import (
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"context"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/ethclient"
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"github.com/ethereum/go-ethereum/rpc"
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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/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/pkg/geth"
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"github.com/vulcanize/vulcanizedb/pkg/geth/client"
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rpc2 "github.com/vulcanize/vulcanizedb/pkg/geth/converters/rpc"
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"github.com/vulcanize/vulcanizedb/pkg/geth/node"
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"github.com/vulcanize/vulcanizedb/pkg/transformers/price_feeds"
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"github.com/vulcanize/vulcanizedb/test_config"
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"math/big"
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)
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var _ = Describe("Price feeds transformer", func() {
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var (
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db *postgres.DB
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blockChain core.BlockChain
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)
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BeforeEach(func() {
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ipc := "https://kovan.infura.io/J5Vd2fRtGsw0zZ0Ov3BL"
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rpcClient, ethClient, err := getClients(ipc)
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Expect(err).NotTo(HaveOccurred())
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blockChain, err = getBlockChain(rpcClient, ethClient)
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Expect(err).NotTo(HaveOccurred())
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db = test_config.NewTestDB(blockChain.Node())
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test_config.CleanTestDB(db)
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for i := 8763054; i < 8763063; i++ {
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err = persistHeader(rpcClient, db, int64(i))
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Expect(err).NotTo(HaveOccurred())
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}
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})
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It("persists a ETH/USD price feed event", func() {
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config := price_feeds.IPriceFeedConfig{
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ContractAddresses: []string{"0x9FfFE440258B79c5d6604001674A4722FfC0f7Bc"},
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StartingBlockNumber: 8763054,
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EndingBlockNumber: 8763054,
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}
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transformerInitializer := price_feeds.PriceFeedTransformerInitializer{Config: config}
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transformer := transformerInitializer.NewPriceFeedTransformer(db, blockChain)
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err := transformer.Execute()
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Expect(err).NotTo(HaveOccurred())
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var model price_feeds.PriceFeedModel
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err = db.Get(&model, `SELECT block_number, medianizer_address, usd_value, tx_idx, raw_log FROM maker.price_feeds WHERE block_number = $1`, config.StartingBlockNumber)
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Expect(err).NotTo(HaveOccurred())
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Expect(model.UsdValue).To(Equal("207.314891143"))
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})
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It("persists a MKR/USD price feed event", func() {
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config := price_feeds.IPriceFeedConfig{
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ContractAddresses: []string{"0xB1997239Cfc3d15578A3a09730f7f84A90BB4975"},
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StartingBlockNumber: 8763059,
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EndingBlockNumber: 8763059,
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}
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transformerInitializer := price_feeds.PriceFeedTransformerInitializer{Config: config}
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transformer := transformerInitializer.NewPriceFeedTransformer(db, blockChain)
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err := transformer.Execute()
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Expect(err).NotTo(HaveOccurred())
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var model price_feeds.PriceFeedModel
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err = db.Get(&model, `SELECT block_number, medianizer_address, usd_value, tx_idx, raw_log FROM maker.price_feeds WHERE block_number = $1`, config.StartingBlockNumber)
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Expect(err).NotTo(HaveOccurred())
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Expect(model.UsdValue).To(Equal("391.803979212"))
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})
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It("persists a REP/USD price feed event", func() {
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config := price_feeds.IPriceFeedConfig{
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ContractAddresses: []string{"0xf88bBDc1E2718F8857F30A180076ec38d53cf296"},
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StartingBlockNumber: 8763062,
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EndingBlockNumber: 8763062,
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}
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transformerInitializer := price_feeds.PriceFeedTransformerInitializer{Config: config}
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transformer := transformerInitializer.NewPriceFeedTransformer(db, blockChain)
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err := transformer.Execute()
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Expect(err).NotTo(HaveOccurred())
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var model price_feeds.PriceFeedModel
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err = db.Get(&model, `SELECT block_number, medianizer_address, usd_value, tx_idx, raw_log FROM maker.price_feeds WHERE block_number = $1`, config.StartingBlockNumber)
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Expect(err).NotTo(HaveOccurred())
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Expect(model.UsdValue).To(Equal("12.8169284827"))
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})
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})
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func getClients(ipc string) (client.RpcClient, *ethclient.Client, error) {
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raw, err := rpc.Dial(ipc)
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if err != nil {
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return client.RpcClient{}, ðclient.Client{}, err
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}
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return client.NewRpcClient(raw, ipc), ethclient.NewClient(raw), nil
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}
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func getBlockChain(rpcClient client.RpcClient, ethClient *ethclient.Client) (core.BlockChain, error) {
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client := client.NewEthClient(ethClient)
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node := node.MakeNode(rpcClient)
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transactionConverter := rpc2.NewRpcTransactionConverter(client)
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blockChain := geth.NewBlockChain(client, rpcClient, node, transactionConverter)
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return blockChain, nil
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}
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func persistHeader(rpcClient client.RpcClient, db *postgres.DB, blockNumber int64) error {
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var poaHeader core.POAHeader
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blockNumberArg := hexutil.EncodeBig(big.NewInt(int64(blockNumber)))
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err := rpcClient.CallContext(context.Background(), &poaHeader, "eth_getBlockByNumber", blockNumberArg, false)
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if err != nil {
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return err
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}
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headerRepository := repositories.NewHeaderRepository(db)
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_, err = headerRepository.CreateOrUpdateHeader(core.Header{
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BlockNumber: poaHeader.Number.ToInt().Int64(),
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Hash: poaHeader.Hash.String(),
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})
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return err
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}
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