ipld-eth-server/pkg/transformers/price_feeds/integration_test.go

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package price_feeds_test
import (
"context"
"encoding/json"
"math/big"
"time"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/ethereum/go-ethereum/rpc"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres/repositories"
"github.com/vulcanize/vulcanizedb/pkg/geth"
"github.com/vulcanize/vulcanizedb/pkg/geth/client"
rpc2 "github.com/vulcanize/vulcanizedb/pkg/geth/converters/rpc"
"github.com/vulcanize/vulcanizedb/pkg/geth/node"
"github.com/vulcanize/vulcanizedb/pkg/transformers/price_feeds"
"github.com/vulcanize/vulcanizedb/test_config"
)
var _ = Describe("Price feeds transformer", func() {
var (
db *postgres.DB
blockChain core.BlockChain
)
BeforeEach(func() {
ipc := "https://kovan.infura.io/J5Vd2fRtGsw0zZ0Ov3BL"
rpcClient, ethClient, err := getClients(ipc)
Expect(err).NotTo(HaveOccurred())
blockChain, err = getBlockChain(rpcClient, ethClient)
Expect(err).NotTo(HaveOccurred())
db = test_config.NewTestDB(blockChain.Node())
test_config.CleanTestDB(db)
for i := 8763054; i < 8763063; i++ {
err = persistHeader(rpcClient, db, int64(i))
Expect(err).NotTo(HaveOccurred())
}
})
It("persists a ETH/USD price feed event", func() {
config := price_feeds.IPriceFeedConfig{
ContractAddresses: []string{"0x9FfFE440258B79c5d6604001674A4722FfC0f7Bc"},
StartingBlockNumber: 8763054,
EndingBlockNumber: 8763054,
}
transformerInitializer := price_feeds.PriceFeedTransformerInitializer{Config: config}
transformer := transformerInitializer.NewPriceFeedTransformer(db, blockChain)
err := transformer.Execute()
time.AfterFunc(5*time.Second, func() {
defer GinkgoRecover()
Expect(err).NotTo(HaveOccurred())
var model price_feeds.PriceFeedModel
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)
Expect(err).NotTo(HaveOccurred())
Expect(model.UsdValue).To(Equal("207.314891143"))
})
})
It("persists a MKR/USD price feed event", func() {
config := price_feeds.IPriceFeedConfig{
ContractAddresses: []string{"0xB1997239Cfc3d15578A3a09730f7f84A90BB4975"},
StartingBlockNumber: 8763059,
EndingBlockNumber: 8763059,
}
transformerInitializer := price_feeds.PriceFeedTransformerInitializer{Config: config}
transformer := transformerInitializer.NewPriceFeedTransformer(db, blockChain)
err := transformer.Execute()
time.AfterFunc(5*time.Second, func() {
defer GinkgoRecover()
Expect(err).NotTo(HaveOccurred())
var model price_feeds.PriceFeedModel
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)
Expect(err).NotTo(HaveOccurred())
Expect(model.UsdValue).To(Equal("391.803979212"))
})
})
It("persists a REP/USD price feed event", func() {
config := price_feeds.IPriceFeedConfig{
ContractAddresses: []string{"0xf88bBDc1E2718F8857F30A180076ec38d53cf296"},
StartingBlockNumber: 8763062,
EndingBlockNumber: 8763062,
}
transformerInitializer := price_feeds.PriceFeedTransformerInitializer{Config: config}
transformer := transformerInitializer.NewPriceFeedTransformer(db, blockChain)
err := transformer.Execute()
time.AfterFunc(5*time.Second, func() {
defer GinkgoRecover()
Expect(err).NotTo(HaveOccurred())
var model price_feeds.PriceFeedModel
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)
Expect(err).NotTo(HaveOccurred())
Expect(model.UsdValue).To(Equal("12.8169284827"))
})
})
})
func getClients(ipc string) (client.RpcClient, *ethclient.Client, error) {
raw, err := rpc.Dial(ipc)
if err != nil {
return client.RpcClient{}, &ethclient.Client{}, err
}
return client.NewRpcClient(raw, ipc), ethclient.NewClient(raw), nil
}
func getBlockChain(rpcClient client.RpcClient, ethClient *ethclient.Client) (core.BlockChain, error) {
client := client.NewEthClient(ethClient)
node := node.MakeNode(rpcClient)
transactionConverter := rpc2.NewRpcTransactionConverter(client)
blockChain := geth.NewBlockChain(client, rpcClient, node, transactionConverter)
return blockChain, nil
}
func persistHeader(rpcClient client.RpcClient, db *postgres.DB, blockNumber int64) error {
var poaHeader core.POAHeader
blockNumberArg := hexutil.EncodeBig(big.NewInt(int64(blockNumber)))
err := rpcClient.CallContext(context.Background(), &poaHeader, "eth_getBlockByNumber", blockNumberArg, false)
if err != nil {
return err
}
rawHeader, err := json.Marshal(poaHeader)
if err != nil {
return err
}
headerRepository := repositories.NewHeaderRepository(db)
_, err = headerRepository.CreateOrUpdateHeader(core.Header{
BlockNumber: poaHeader.Number.ToInt().Int64(),
Hash: poaHeader.Hash.String(),
Raw: rawHeader,
Timestamp: poaHeader.Time.ToInt().String(),
})
return err
}