367 lines
13 KiB
Go
367 lines
13 KiB
Go
// VulcanizeDB
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// Copyright © 2018 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package common_test
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import (
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"io/ioutil"
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"log"
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"math/big"
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"os"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/core/types"
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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/fakes"
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vulcCommon "github.com/vulcanize/vulcanizedb/pkg/geth/converters/common"
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"github.com/vulcanize/vulcanizedb/pkg/geth/converters/rpc"
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)
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var _ = Describe("Conversion of GethBlock to core.Block", func() {
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It("converts basic Block metadata", func() {
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difficulty := big.NewInt(1)
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gasLimit := uint64(100000)
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gasUsed := uint64(100000)
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miner := common.HexToAddress("0x0000000000000000000000000000000000000123")
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extraData, _ := hexutil.Decode("0xe4b883e5bda9e7a59ee4bb99e9b1bc")
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nonce := types.BlockNonce{10}
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number := int64(1)
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time := int64(140000000)
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header := types.Header{
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Difficulty: difficulty,
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GasLimit: uint64(gasLimit),
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GasUsed: uint64(gasUsed),
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Extra: extraData,
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Coinbase: miner,
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Nonce: nonce,
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Number: big.NewInt(number),
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ParentHash: common.Hash{64},
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Time: big.NewInt(time),
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UncleHash: common.Hash{128},
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}
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block := types.NewBlock(&header, []*types.Transaction{}, []*types.Header{}, []*types.Receipt{})
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client := fakes.NewMockEthClient()
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transactionConverter := rpc.NewRpcTransactionConverter(client)
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blockConverter := vulcCommon.NewBlockConverter(transactionConverter)
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coreBlock, err := blockConverter.ToCoreBlock(block)
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Expect(err).ToNot(HaveOccurred())
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Expect(coreBlock.Difficulty).To(Equal(difficulty.Int64()))
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Expect(coreBlock.GasLimit).To(Equal(gasLimit))
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Expect(coreBlock.Miner).To(Equal(miner.Hex()))
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Expect(coreBlock.GasUsed).To(Equal(gasUsed))
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Expect(coreBlock.Hash).To(Equal(block.Hash().Hex()))
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Expect(coreBlock.Nonce).To(Equal(hexutil.Encode(header.Nonce[:])))
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Expect(coreBlock.Number).To(Equal(number))
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Expect(coreBlock.ParentHash).To(Equal(block.ParentHash().Hex()))
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Expect(coreBlock.ExtraData).To(Equal(hexutil.Encode(block.Extra())))
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Expect(coreBlock.Size).To(Equal(block.Size().String()))
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Expect(coreBlock.Time).To(Equal(time))
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Expect(coreBlock.UncleHash).To(Equal(block.UncleHash().Hex()))
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Expect(coreBlock.IsFinal).To(BeFalse())
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})
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Describe("The block and uncle rewards calculations", func() {
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It("calculates block rewards for a block", func() {
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transaction := types.NewTransaction(
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uint64(226823),
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common.HexToAddress("0x108fedb097c1dcfed441480170144d8e19bb217f"),
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big.NewInt(1080900090000000000),
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uint64(90000),
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big.NewInt(50000000000),
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[]byte{},
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)
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transactions := []*types.Transaction{transaction}
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txHash := transaction.Hash()
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receipt := types.Receipt{
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TxHash: txHash,
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GasUsed: uint64(21000),
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CumulativeGasUsed: uint64(21000),
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}
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receipts := []*types.Receipt{&receipt}
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client := fakes.NewMockEthClient()
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client.SetTransactionReceipts(receipts)
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number := int64(1071819)
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header := types.Header{
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Number: big.NewInt(number),
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}
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uncles := []*types.Header{{Number: big.NewInt(1071817)}, {Number: big.NewInt(1071818)}}
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block := types.NewBlock(&header, transactions, uncles, []*types.Receipt{&receipt})
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transactionConverter := rpc.NewRpcTransactionConverter(client)
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blockConverter := vulcCommon.NewBlockConverter(transactionConverter)
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coreBlock, err := blockConverter.ToCoreBlock(block)
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Expect(err).ToNot(HaveOccurred())
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Expect(vulcCommon.CalcBlockReward(coreBlock, block.Uncles())).To(Equal(5.31355))
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})
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It("calculates the uncles reward for a block", func() {
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transaction := types.NewTransaction(
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uint64(226823),
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common.HexToAddress("0x108fedb097c1dcfed441480170144d8e19bb217f"),
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big.NewInt(1080900090000000000),
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uint64(90000),
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big.NewInt(50000000000),
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[]byte{})
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transactions := []*types.Transaction{transaction}
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receipt := types.Receipt{
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TxHash: transaction.Hash(),
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GasUsed: uint64(21000),
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CumulativeGasUsed: uint64(21000),
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}
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receipts := []*types.Receipt{&receipt}
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header := types.Header{
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Number: big.NewInt(int64(1071819)),
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}
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uncles := []*types.Header{
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{Number: big.NewInt(1071816)},
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{Number: big.NewInt(1071817)},
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}
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block := types.NewBlock(&header, transactions, uncles, receipts)
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client := fakes.NewMockEthClient()
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client.SetTransactionReceipts(receipts)
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transactionConverter := rpc.NewRpcTransactionConverter(client)
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blockConverter := vulcCommon.NewBlockConverter(transactionConverter)
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coreBlock, err := blockConverter.ToCoreBlock(block)
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Expect(err).ToNot(HaveOccurred())
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Expect(vulcCommon.CalcUnclesReward(coreBlock, block.Uncles())).To(Equal(6.875))
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})
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It("decreases the static block reward from 5 to 3 for blocks after block 4,269,999", func() {
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transactionOne := types.NewTransaction(
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uint64(8072),
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common.HexToAddress("0xebd17720aeb7ac5186c5dfa7bafeb0bb14c02551 "),
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big.NewInt(0),
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uint64(500000),
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big.NewInt(42000000000),
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[]byte{},
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)
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transactionTwo := types.NewTransaction(uint64(8071),
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common.HexToAddress("0x3cdab63d764c8c5048ed5e8f0a4e95534ba7e1ea"),
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big.NewInt(0),
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uint64(500000),
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big.NewInt(42000000000),
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[]byte{})
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transactions := []*types.Transaction{transactionOne, transactionTwo}
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receiptOne := types.Receipt{
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TxHash: transactionOne.Hash(),
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GasUsed: uint64(297508),
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CumulativeGasUsed: uint64(0),
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}
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receiptTwo := types.Receipt{
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TxHash: transactionTwo.Hash(),
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GasUsed: uint64(297508),
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CumulativeGasUsed: uint64(0),
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}
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receipts := []*types.Receipt{&receiptOne, &receiptTwo}
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number := int64(4370055)
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header := types.Header{
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Number: big.NewInt(number),
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}
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var uncles []*types.Header
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block := types.NewBlock(&header, transactions, uncles, receipts)
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client := fakes.NewMockEthClient()
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client.SetTransactionReceipts(receipts)
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transactionConverter := rpc.NewRpcTransactionConverter(client)
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blockConverter := vulcCommon.NewBlockConverter(transactionConverter)
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coreBlock, err := blockConverter.ToCoreBlock(block)
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Expect(err).ToNot(HaveOccurred())
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Expect(vulcCommon.CalcBlockReward(coreBlock, block.Uncles())).To(Equal(3.024990672))
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})
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})
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Describe("the converted transactions", func() {
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It("is empty", func() {
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header := types.Header{}
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block := types.NewBlock(&header, []*types.Transaction{}, []*types.Header{}, []*types.Receipt{})
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client := fakes.NewMockEthClient()
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transactionConverter := rpc.NewRpcTransactionConverter(client)
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blockConverter := vulcCommon.NewBlockConverter(transactionConverter)
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coreBlock, err := blockConverter.ToCoreBlock(block)
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Expect(err).ToNot(HaveOccurred())
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Expect(len(coreBlock.Transactions)).To(Equal(0))
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})
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It("converts a single transaction", func() {
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gethTransaction := types.NewTransaction(
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uint64(10000), common.Address{1},
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big.NewInt(10),
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uint64(5000),
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big.NewInt(3),
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hexutil.MustDecode("0xf7d8c8830000000000000000000000000000000000000000000000000000000000037788000000000000000000000000000000000000000000000000000000000003bd14"),
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)
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gethReceipt := &types.Receipt{
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Bloom: types.BytesToBloom(hexutil.MustDecode("0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")),
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ContractAddress: common.HexToAddress("x123"),
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CumulativeGasUsed: uint64(7996119),
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GasUsed: uint64(21000),
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Logs: []*types.Log{},
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Status: uint64(1),
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TxHash: gethTransaction.Hash(),
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}
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client := fakes.NewMockEthClient()
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client.SetTransactionReceipts([]*types.Receipt{gethReceipt})
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header := types.Header{}
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block := types.NewBlock(
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&header,
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[]*types.Transaction{gethTransaction},
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[]*types.Header{},
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[]*types.Receipt{gethReceipt},
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)
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transactionConverter := rpc.NewRpcTransactionConverter(client)
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blockConverter := vulcCommon.NewBlockConverter(transactionConverter)
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coreBlock, err := blockConverter.ToCoreBlock(block)
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Expect(err).ToNot(HaveOccurred())
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Expect(len(coreBlock.Transactions)).To(Equal(1))
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coreTransaction := coreBlock.Transactions[0]
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Expect(coreTransaction.Data).To(Equal("0xf7d8c8830000000000000000000000000000000000000000000000000000000000037788000000000000000000000000000000000000000000000000000000000003bd14"))
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Expect(coreTransaction.To).To(Equal(gethTransaction.To().Hex()))
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Expect(coreTransaction.From).To(Equal("0x0000000000000000000000000000000000000123"))
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Expect(coreTransaction.GasLimit).To(Equal(gethTransaction.Gas()))
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Expect(coreTransaction.GasPrice).To(Equal(gethTransaction.GasPrice().Int64()))
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Expect(coreTransaction.Value).To(Equal(gethTransaction.Value().String()))
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Expect(coreTransaction.Nonce).To(Equal(gethTransaction.Nonce()))
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coreReceipt := coreTransaction.Receipt
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expectedReceipt := vulcCommon.ToCoreReceipt(gethReceipt)
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Expect(coreReceipt).To(Equal(expectedReceipt))
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})
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It("has an empty 'To' field when transaction creates a new contract", func() {
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gethTransaction := types.NewContractCreation(
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uint64(10000),
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big.NewInt(10),
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uint64(5000),
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big.NewInt(3),
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[]byte("1234"),
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)
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gethReceipt := &types.Receipt{
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CumulativeGasUsed: uint64(1),
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GasUsed: uint64(1),
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TxHash: gethTransaction.Hash(),
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ContractAddress: common.HexToAddress("0x1023342345"),
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}
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client := fakes.NewMockEthClient()
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client.SetTransactionReceipts([]*types.Receipt{gethReceipt})
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block := types.NewBlock(
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&types.Header{},
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[]*types.Transaction{gethTransaction},
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[]*types.Header{},
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[]*types.Receipt{gethReceipt},
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)
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transactionConverter := rpc.NewRpcTransactionConverter(client)
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blockConverter := vulcCommon.NewBlockConverter(transactionConverter)
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coreBlock, err := blockConverter.ToCoreBlock(block)
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Expect(err).ToNot(HaveOccurred())
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coreTransaction := coreBlock.Transactions[0]
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Expect(coreTransaction.To).To(Equal(""))
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coreReceipt := coreTransaction.Receipt
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expectedReceipt := vulcCommon.ToCoreReceipt(gethReceipt)
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Expect(coreReceipt).To(Equal(expectedReceipt))
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})
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})
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Describe("transaction error handling", func() {
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var gethTransaction *types.Transaction
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var gethReceipt *types.Receipt
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var header *types.Header
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var block *types.Block
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BeforeEach(func() {
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log.SetOutput(ioutil.Discard)
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gethTransaction = types.NewTransaction(
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uint64(0),
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common.Address{},
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big.NewInt(0),
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uint64(0),
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big.NewInt(0),
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[]byte{},
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)
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gethReceipt = &types.Receipt{}
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header = &types.Header{}
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block = types.NewBlock(
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header,
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[]*types.Transaction{gethTransaction},
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[]*types.Header{},
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[]*types.Receipt{gethReceipt},
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)
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})
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AfterEach(func() {
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defer log.SetOutput(os.Stdout)
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})
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It("returns an error when transaction sender call fails", func() {
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client := fakes.NewMockEthClient()
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client.SetTransactionSenderErr(fakes.FakeError)
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transactionConverter := rpc.NewRpcTransactionConverter(client)
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blockConverter := vulcCommon.NewBlockConverter(transactionConverter)
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_, err := blockConverter.ToCoreBlock(block)
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Expect(err).To(MatchError(fakes.FakeError))
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})
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It("returns an error when transaction receipt call fails", func() {
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client := fakes.NewMockEthClient()
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client.SetTransactionReceiptErr(fakes.FakeError)
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transactionConverter := rpc.NewRpcTransactionConverter(client)
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blockConverter := vulcCommon.NewBlockConverter(transactionConverter)
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_, err := blockConverter.ToCoreBlock(block)
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Expect(err).To(MatchError(fakes.FakeError))
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})
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})
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})
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