79 lines
2.9 KiB
Go
79 lines
2.9 KiB
Go
// Copyright 2018 Vulcanize
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package every_block_test
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import (
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"github.com/vulcanize/vulcanizedb/examples/constants"
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"github.com/vulcanize/vulcanizedb/examples/erc20_watcher"
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"github.com/vulcanize/vulcanizedb/examples/erc20_watcher/every_block"
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"github.com/vulcanize/vulcanizedb/examples/test_helpers"
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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/fakes"
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"math/big"
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"strconv"
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)
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func setLastBlockOnChain(blockChain *fakes.MockBlockChain, blockNumber int64) {
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blockNumberString := strconv.FormatInt(blockNumber, 10)
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lastBlockOnChain := big.Int{}
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lastBlockOnChain.SetString(blockNumberString, 10)
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blockChain.SetLastBlock(&lastBlockOnChain)
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}
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var _ = Describe("Everyblock transformers", func() {
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var db *postgres.DB
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var blockChain *fakes.MockBlockChain
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var blockNumber int64
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var blockId int64
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var err error
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BeforeEach(func() {
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blockChain = fakes.NewMockBlockChain()
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blockNumber = erc20_watcher.DaiConfig.FirstBlock
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lastBlockNumber := blockNumber + 1
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db = test_helpers.CreateNewDatabase()
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setLastBlockOnChain(blockChain, lastBlockNumber)
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blockRepository := repositories.NewBlockRepository(db)
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blockId, err = blockRepository.CreateOrUpdateBlock(core.Block{Number: blockNumber})
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Expect(err).NotTo(HaveOccurred())
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_, err = blockRepository.CreateOrUpdateBlock(core.Block{Number: lastBlockNumber})
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Expect(err).NotTo(HaveOccurred())
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})
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It("creates a token_supply record for each block in the given range", func() {
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initializer := every_block.ERC20TokenTransformerInitializer{Config: erc20_watcher.DaiConfig}
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transformer := initializer.NewERC20TokenTransformer(db, blockChain)
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transformer.Execute()
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var tokenSupplyCount int
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err := db.QueryRow(`SELECT COUNT(*) FROM token_supply where block_id = $1`, blockId).Scan(&tokenSupplyCount)
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Expect(err).ToNot(HaveOccurred())
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Expect(tokenSupplyCount).To(Equal(1))
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var tokenSupply test_helpers.TokenSupplyDBRow
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err = db.Get(&tokenSupply, `SELECT * from token_supply where block_id = $1`, blockId)
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Expect(err).ToNot(HaveOccurred())
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Expect(tokenSupply.BlockID).To(Equal(blockId))
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Expect(tokenSupply.TokenAddress).To(Equal(constants.DaiContractAddress))
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Expect(tokenSupply.Supply).To(Equal(int64(0)))
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})
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})
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