Merge pull request #71 from 8thlight/VDB-150-vat-flux-integration-test

integration test for vat flux

pkg/transformers/integration_tests/vat_flux.go

@@ -0,0 +1,59 @@
+// Copyright 2018 Vulcanize
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package integration_tests
+
+import (
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_flux"
+	"github.com/vulcanize/vulcanizedb/test_config"
+)
+
+var _ = Describe("VatFlux Transformer", func() {
+	It("transforms VatFlux log events", func() {
+		blockNumber := int64(9004474)
+		config := vat_flux.VatFluxConfig
+		config.StartingBlockNumber = blockNumber
+		config.EndingBlockNumber = blockNumber
+
+		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)
+
+		err = persistHeader(rpcClient, db, blockNumber)
+		Expect(err).NotTo(HaveOccurred())
+
+		initializer := vat_flux.VatFluxTransformerInitializer{Config: config}
+		transformer := initializer.NewVatFluxTransformer(db, blockchain)
+		err = transformer.Execute()
+		Expect(err).NotTo(HaveOccurred())
+
+		var dbResult []vat_flux.VatFluxModel
+		err = db.Select(&dbResult, `SELECT ilk, src, dst, rad from maker.vat_flux`)
+		Expect(err).NotTo(HaveOccurred())
+
+		Expect(len(dbResult)).To(Equal(1))
+		Expect(dbResult[0].Ilk).To(Equal("REP"))
+		Expect(dbResult[0].Src).To(Equal("0xC0851F73CC8DD5c0765E71980eC7E7Fd1EF74434"))
+		Expect(dbResult[0].Dst).To(Equal("0x0000d8b4147eDa80Fec7122AE16DA2479Cbd7ffB"))
+		Expect(dbResult[0].Rad).To(Equal("1800000000000000000000000000000000000000000000"))
+		Expect(dbResult[0].TransactionIndex).To(Equal(uint(0)))
+	})
+})

pkg/transformers/test_data/vat_flux.go

@@ -28,7 +28,7 @@ var VatFluxLog = types.Log{
 	Address: common.HexToAddress("0x239e6f0ab02713f1f8aa90ebeded9fc66dc96cd6"),
 	Topics: []common.Hash{
 		common.HexToHash("0xa6e4182100000000000000000000000000000000000000000000000000000000"),
-		common.HexToHash("0x0000000000000000000000007340e006f4135BA6970D43bf43d88DCAD4e7a8CA"),
+		common.HexToHash("0x5245500000000000000000000000000000000000000000000000000000000000"),
 		common.HexToHash("0x0000000000000000000000007FA9EF6609Ca7921112231f8f195138ebba29770"),
 		common.HexToHash("0x00000000000000000000000093086347c52a8878af71bb818509d484c6a2e1bf"),
 	},
@@ -43,7 +43,7 @@ var VatFluxLog = types.Log{
 
 var rawFluxLog, _ = json.Marshal(VatFluxLog)
 var VatFluxModel = vat_flux.VatFluxModel{
-	Ilk:              "0x7340e006f4135BA6970D43bf43d88DCAD4e7a8CA",
+	Ilk:              "REP",
 	Src:              "0x7FA9EF6609Ca7921112231f8f195138ebba29770",
 	Dst:              "0x93086347c52a8878af71bB818509d484c6a2e1bF",
 	Rad:              "123",

pkg/transformers/vat_flux/converter.go

@@ -15,6 +15,7 @@
 package vat_flux
 
 import (
+	"bytes"
 	"encoding/json"
 	"errors"
 	"github.com/ethereum/go-ethereum/common"
@@ -37,7 +38,7 @@ func (VatFluxConverter) ToModels(ethLogs []types.Log) ([]VatFluxModel, error) {
 			return nil, err
 		}
 
-		ilk := common.BytesToAddress(ethLog.Topics[1].Bytes())
+		ilk := string(bytes.Trim(ethLog.Topics[1].Bytes(), "\x00"))
 		src := common.BytesToAddress(ethLog.Topics[2].Bytes())
 		dst := common.BytesToAddress(ethLog.Topics[3].Bytes())
 		radBytes := shared.GetDataBytesAtIndex(-1, ethLog.Data)
@@ -53,7 +54,7 @@ func (VatFluxConverter) ToModels(ethLogs []types.Log) ([]VatFluxModel, error) {
 		}
 
 		model := VatFluxModel{
-			Ilk:              ilk.String(),
+			Ilk:              ilk,
 			Src:              src.String(),
 			Dst:              dst.String(),
 			Rad:              rad,