213 lines
8.7 KiB
Go
213 lines
8.7 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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"math/big"
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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/ethereum/go-ethereum/common"
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"github.com/vulcanize/vulcanizedb/examples/constants"
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"github.com/vulcanize/vulcanizedb/examples/erc20_watcher/every_block"
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"github.com/vulcanize/vulcanizedb/pkg/fakes"
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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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)
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var _ = Describe("ERC20 Getter", func() {
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blockNumber := int64(6194634)
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Describe("totalSupply", func() {
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It("gets total supply data from the blockchain with the correct arguments", func() {
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fakeBlockChain := fakes.NewMockBlockChain()
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testGetter := every_block.NewGetter(fakeBlockChain)
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testAbi := "testAbi"
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testContractAddress := "testContractAddress"
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_, err := testGetter.GetTotalSupply(testAbi, testContractAddress, blockNumber)
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Expect(err).NotTo(HaveOccurred())
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expectedResult := big.Int{}
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expected := &expectedResult
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fakeBlockChain.AssertFetchContractDataCalledWith(testAbi, testContractAddress, "totalSupply", nil, &expected, blockNumber)
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})
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It("gets dai token's total supply at the given block height", func() {
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infuraIPC := "https://mainnet.infura.io/v3/b09888c1113640cc9ab42750ce750c05"
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rawRpcClient, err := rpc.Dial(infuraIPC)
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Expect(err).NotTo(HaveOccurred())
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rpcClient := client.NewRpcClient(rawRpcClient, infuraIPC)
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ethClient := ethclient.NewClient(rawRpcClient)
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blockChainClient := client.NewEthClient(ethClient)
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node := node.MakeNode(rpcClient)
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transactionConverter := rpc2.NewRpcTransactionConverter(ethClient)
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blockChain := geth.NewBlockChain(blockChainClient, node, transactionConverter)
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realGetter := every_block.NewGetter(blockChain)
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result, err := realGetter.GetTotalSupply(constants.DaiAbiString, constants.DaiContractAddress, blockNumber)
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Expect(err).NotTo(HaveOccurred())
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expectedResult := big.Int{}
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expectedResult.SetString("47327413946297204537985606", 10)
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Expect(result.String()).To(Equal(expectedResult.String()))
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})
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It("returns an error if the call to the blockchain fails", func() {
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blockChain := fakes.NewMockBlockChain()
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blockChain.SetFetchContractDataErr(fakes.FakeError)
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errorGetter := every_block.NewGetter(blockChain)
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result, err := errorGetter.GetTotalSupply("", "", 0)
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Expect(result.String()).To(Equal("0"))
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Expect(err).To(HaveOccurred())
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Expect(err.Error()).To(ContainSubstring("totalSupply"))
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Expect(err.Error()).To(ContainSubstring(fakes.FakeError.Error()))
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})
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})
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Describe("balanceOf", func() {
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It("gets balance of a token holder address at a token contract address from the blockchain with the correct arguments", func() {
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fakeBlockChain := fakes.NewMockBlockChain()
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testGetter := every_block.NewGetter(fakeBlockChain)
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testAbi := "testAbi"
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testContractAddress := "testContractAddress"
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testTokenHolderAddress := common.HexToAddress("0x2cccc4b4708b318a6290511aac75d6c3dbe0cf9f")
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hashArgs := []common.Address{testTokenHolderAddress}
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balanceOfArgs := make([]interface{}, len(hashArgs))
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for i, s := range hashArgs {
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balanceOfArgs[i] = s
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}
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_, err := testGetter.GetBalance(testAbi, testContractAddress, blockNumber, balanceOfArgs)
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Expect(err).NotTo(HaveOccurred())
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expectedResult := big.Int{}
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expected := &expectedResult
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fakeBlockChain.AssertFetchContractDataCalledWith(testAbi, testContractAddress, "balanceOf", balanceOfArgs, &expected, blockNumber)
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})
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It("gets a token holder address's balance on the dai contract at the given block height", func() {
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infuraIPC := "https://mainnet.infura.io/J5Vd2fRtGsw0zZ0Ov3BL"
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rawRpcClient, err := rpc.Dial(infuraIPC)
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Expect(err).NotTo(HaveOccurred())
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rpcClient := client.NewRpcClient(rawRpcClient, infuraIPC)
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ethClient := ethclient.NewClient(rawRpcClient)
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blockChainClient := client.NewEthClient(ethClient)
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node := node.MakeNode(rpcClient)
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transactionConverter := rpc2.NewRpcTransactionConverter(ethClient)
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blockChain := geth.NewBlockChain(blockChainClient, node, transactionConverter)
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realGetter := every_block.NewGetter(blockChain)
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testTokenHolderAddress := common.HexToAddress("0x2cccc4b4708b318a6290511aac75d6c3dbe0cf9f")
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hashArgs := []common.Address{testTokenHolderAddress}
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balanceOfArgs := make([]interface{}, len(hashArgs))
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for i, s := range hashArgs {
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balanceOfArgs[i] = s
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}
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result, err := realGetter.GetBalance(constants.DaiAbiString, constants.DaiContractAddress, blockNumber, balanceOfArgs)
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Expect(err).NotTo(HaveOccurred())
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expectedResult := big.Int{}
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expectedResult.SetString("1000000000000000000000000", 10)
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Expect(result.String()).To(Equal(expectedResult.String()))
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})
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It("returns an error if the call to the blockchain fails", func() {
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blockChain := fakes.NewMockBlockChain()
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blockChain.SetFetchContractDataErr(fakes.FakeError)
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errorGetter := every_block.NewGetter(blockChain)
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result, err := errorGetter.GetBalance("", "", 0, nil)
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Expect(result.String()).To(Equal("0"))
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Expect(err).To(HaveOccurred())
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Expect(err.Error()).To(ContainSubstring("balanceOf"))
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Expect(err.Error()).To(ContainSubstring(fakes.FakeError.Error()))
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})
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})
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Describe("allowance", func() {
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It("gets allowance data from the blockchain with the correct arguments", func() {
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fakeBlockChain := fakes.NewMockBlockChain()
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testGetter := every_block.NewGetter(fakeBlockChain)
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testAbi := "testAbi"
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testContractAddress := "testContractAddress"
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testTokenHolderAddress := common.HexToAddress("0x2cccc4b4708b318a6290511aac75d6c3dbe0cf9f")
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testTokenSpenderAddress := common.HexToAddress("0x2cccc4b4708b318a6290511aac75d6c3dbe0cf9f")
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hashArgs := []common.Address{testTokenHolderAddress, testTokenSpenderAddress}
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allowanceArgs := make([]interface{}, len(hashArgs))
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for i, s := range hashArgs {
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allowanceArgs[i] = s
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}
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_, err := testGetter.GetAllowance(testAbi, testContractAddress, blockNumber, allowanceArgs)
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Expect(err).NotTo(HaveOccurred())
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expectedResult := big.Int{}
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expected := &expectedResult
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fakeBlockChain.AssertFetchContractDataCalledWith(testAbi, testContractAddress, "allowance", allowanceArgs, &expected, blockNumber)
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})
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It("gets the allowance for a spending address and holder address on the dai contract at the given block height", func() {
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infuraIPC := "https://mainnet.infura.io/J5Vd2fRtGsw0zZ0Ov3BL"
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rawRpcClient, err := rpc.Dial(infuraIPC)
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Expect(err).NotTo(HaveOccurred())
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rpcClient := client.NewRpcClient(rawRpcClient, infuraIPC)
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ethClient := ethclient.NewClient(rawRpcClient)
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blockChainClient := client.NewEthClient(ethClient)
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node := node.MakeNode(rpcClient)
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transactionConverter := rpc2.NewRpcTransactionConverter(ethClient)
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blockChain := geth.NewBlockChain(blockChainClient, node, transactionConverter)
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realGetter := every_block.NewGetter(blockChain)
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testTokenHolderAddress := common.HexToAddress("0x2cccc4b4708b318a6290511aac75d6c3dbe0cf9f")
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testTokenSpenderAddress := common.HexToAddress("0x2cccc4b4708b318a6290511aac75d6c3dbe0cf9f")
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hashArgs := []common.Address{testTokenHolderAddress, testTokenSpenderAddress}
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allowanceArgs := make([]interface{}, len(hashArgs))
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for i, s := range hashArgs {
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allowanceArgs[i] = s
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}
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result, err := realGetter.GetAllowance(constants.DaiAbiString, constants.DaiContractAddress, blockNumber, allowanceArgs)
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Expect(err).NotTo(HaveOccurred())
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expectedResult := big.Int{}
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expectedResult.SetString("0", 10)
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Expect(result.String()).To(Equal(expectedResult.String()))
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})
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It("returns an error if the call to the blockchain fails", func() {
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blockChain := fakes.NewMockBlockChain()
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blockChain.SetFetchContractDataErr(fakes.FakeError)
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errorGetter := every_block.NewGetter(blockChain)
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result, err := errorGetter.GetAllowance("", "", 0, nil)
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Expect(result.String()).To(Equal("0"))
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Expect(err).To(HaveOccurred())
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Expect(err.Error()).To(ContainSubstring("allowance"))
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Expect(err.Error()).To(ContainSubstring(fakes.FakeError.Error()))
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})
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})
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})
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