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generate log event signatures from functions

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This commit is contained in:
Rob Mulholand 2018-09-04 16:01:23 -05:00
parent 8f5bc0a956
commit a30e5036fd
14 changed files with 120 additions and 42 deletions
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4
pkg/transformers/bite/config.go
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@ -22,8 +22,8 @@ import (
var BiteConfig = shared.TransformerConfig{
ContractAddress: "0xe0f0fa6982c59d8aa4ae0134bfe048327bd788cacf758b643ca41f055ffce76c", //this is a temporary address deployed locally
ContractAbi: BiteABI,
Topics: []string{BiteSignature},
ContractAbi: shared.CatABI,
Topics: []string{shared.BiteSignature},
StartingBlockNumber: 0,
EndingBlockNumber: 100,
}

22
pkg/transformers/bite/constants.go
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@ -1,22 +0,0 @@
/*
* 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 bite
var (
BiteABI = "[{\"constant\":true,\"inputs\":[],\"name\":\"vat\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"vow\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"flips\",\"outputs\":[{\"name\":\"ilk\",\"type\":\"bytes32\"},{\"name\":\"lad\",\"type\":\"bytes32\"},{\"name\":\"ink\",\"type\":\"uint256\"},{\"name\":\"tab\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"nflip\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"live\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"address\"}],\"name\":\"wards\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"bytes32\"}],\"name\":\"ilks\",\"outputs\":[{\"name\":\"flip\",\"type\":\"address\"},{\"name\":\"chop\",\"type\":\"uint256\"},{\"name\":\"lump\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"pit\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"name\":\"vat_\",\"type\":\"address\"},{\"name\":\"pit_\",\"type\":\"address\"},{\"name\":\"vow_\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"ilk\",\"type\":\"bytes32\"},{\"indexed\":true,\"name\":\"lad\",\"type\":\"bytes32\"},{\"indexed\":false,\"name\":\"ink\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"art\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"tab\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"flip\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"iArt\",\"type\":\"uint256\"}],\"name\":\"Bite\",\"type\":\"event\"},{\"anonymous\":true,\"inputs\":[{\"indexed\":true,\"name\":\"sig\",\"type\":\"bytes4\"},{\"indexed\":true,\"name\":\"guy\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"foo\",\"type\":\"bytes32\"},{\"indexed\":true,\"name\":\"bar\",\"type\":\"bytes32\"},{\"indexed\":false,\"name\":\"wad\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"fax\",\"type\":\"bytes\"}],\"name\":\"LogNote\",\"type\":\"event\"},{\"constant\":false,\"inputs\":[{\"name\":\"guy\",\"type\":\"address\"}],\"name\":\"rely\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"guy\",\"type\":\"address\"}],\"name\":\"deny\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"ilk\",\"type\":\"bytes32\"},{\"name\":\"what\",\"type\":\"bytes32\"},{\"name\":\"data\",\"type\":\"uint256\"}],\"name\":\"file\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"ilk\",\"type\":\"bytes32\"},{\"name\":\"what\",\"type\":\"bytes32\"},{\"name\":\"flip\",\"type\":\"address\"}],\"name\":\"file\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"ilk\",\"type\":\"bytes32\"},{\"name\":\"lad\",\"type\":\"bytes32\"}],\"name\":\"bite\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"n\",\"type\":\"uint256\"},{\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"flip\",\"outputs\":[{\"name\":\"id\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]"
BiteSignature = "0x99b5620489b6ef926d4518936cfec15d305452712b88bd59da2d9c10fb0953e8"
)

3
pkg/transformers/bite/converter_test.go
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@ -26,6 +26,7 @@ import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
)
var _ = Describe("Bite Converter", func() {
@ -33,7 +34,7 @@ var _ = Describe("Bite Converter", func() {
Describe("ToEntity", func() {
It("converts an eth log to a bite entity", func() {
entity, err := converter.ToEntity(test_data.TemporaryBiteAddress, bite.BiteABI, test_data.EthBiteLog)
entity, err := converter.ToEntity(test_data.TemporaryBiteAddress, shared.CatABI, test_data.EthBiteLog)
Expect(err).NotTo(HaveOccurred())
Expect(entity.Ilk).To(Equal(test_data.BiteEntity.Ilk))

4
pkg/transformers/bite/integration_test.go
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@ -48,7 +48,7 @@ var _ = Describe("Integration tests", func() {
transactionConverter := rpc2.NewRpcTransactionConverter(ethClient)
realBlockChain := geth.NewBlockChain(blockChainClient, realNode, transactionConverter)
realFetcher := shared.NewFetcher(realBlockChain)
topic0 := common.HexToHash(bite.BiteSignature)
topic0 := common.HexToHash(shared.BiteSignature)
topics := [][]common.Hash{{topic0}}
result, err := realFetcher.FetchLogs(test_data.TemporaryBiteAddress, topics, int64(26))
@ -64,7 +64,7 @@ var _ = Describe("Integration tests", func() {
It("unpacks an event log", func() {
address := common.HexToAddress(test_data.TemporaryBiteAddress)
abi, err := geth.ParseAbi(bite.BiteABI)
abi, err := geth.ParseAbi(shared.CatABI)
Expect(err).NotTo(HaveOccurred())
contract := bind.NewBoundContract(address, abi, nil, nil, nil)

2
pkg/transformers/pit_file/config.go
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@ -7,7 +7,7 @@ import (
var PitFileConfig = shared.TransformerConfig{
ContractAddress: "0xff3f2400f1600f3f493a9a92704a29b96795af1a", // temporary address from Ganache deploy
ContractAbi: shared.PitABI,
Topics: []string{shared.PitFileSignature},
Topics: []string{shared.PitFileSignatureOne},
StartingBlockNumber: 0,
EndingBlockNumber: 100,
}

2
pkg/transformers/pit_file/transformer.go
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@ -36,7 +36,7 @@ func (transformer PitFileTransformer) Execute() error {
return err
}
for _, header := range missingHeaders {
topics := [][]common.Hash{{common.HexToHash(shared.PitFileSignature)}}
topics := [][]common.Hash{{common.HexToHash(shared.PitFileSignatureOne)}}
matchingLogs, err := transformer.Fetcher.FetchLogs(PitFileConfig.ContractAddress, topics, header.BlockNumber)
if err != nil {
return err

2
pkg/transformers/pit_file/transformer_test.go
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@ -61,7 +61,7 @@ var _ = Describe("Pit file transformer", func() {
Expect(err).NotTo(HaveOccurred())
Expect(fetcher.FetchedBlocks).To(Equal([]int64{1, 2}))
Expect(fetcher.FetchedContractAddress).To(Equal(pit_file.PitFileConfig.ContractAddress))
Expect(fetcher.FetchedTopics).To(Equal([][]common.Hash{{common.HexToHash(shared.PitFileSignature)}}))
Expect(fetcher.FetchedTopics).To(Equal([][]common.Hash{{common.HexToHash(shared.PitFileSignatureOne)}}))
})
It("returns error if fetcher returns error", func() {

2
pkg/transformers/price_feeds/constants.go
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@ -22,7 +22,5 @@ import (
var (
ErrNoMatchingLog = errors.New("no matching log")
Ether = big.NewFloat(1e18)
LogValueTopic0 = "0x296ba4ca62c6c21c95e828080cb8aec7481b71390585605300a8a76f9e95b527"
MedianizerABI = `[{"constant":false,"inputs":[{"name":"owner_","type":"address"}],"name":"setOwner","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"","type":"bytes32"}],"name":"poke","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"poke","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"compute","outputs":[{"name":"","type":"bytes32"},{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"wat","type":"address"}],"name":"set","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"wat","type":"address"}],"name":"unset","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"indexes","outputs":[{"name":"","type":"bytes12"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"next","outputs":[{"name":"","type":"bytes12"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"read","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"peek","outputs":[{"name":"","type":"bytes32"},{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"bytes12"}],"name":"values","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"min_","type":"uint96"}],"name":"setMin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"authority_","type":"address"}],"name":"setAuthority","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"void","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"pos","type":"bytes12"},{"name":"wat","type":"address"}],"name":"set","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"authority","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"pos","type":"bytes12"}],"name":"unset","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"next_","type":"bytes12"}],"name":"setNext","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"min","outputs":[{"name":"","type":"uint96"}],"payable":false,"stateMutability":"view","type":"function"},{"anonymous":false,"inputs":[{"indexed":false,"name":"val","type":"bytes32"}],"name":"LogValue","type":"event"},{"anonymous":true,"inputs":[{"indexed":true,"name":"sig","type":"bytes4"},{"indexed":true,"name":"guy","type":"address"},{"indexed":true,"name":"foo","type":"bytes32"},{"indexed":true,"name":"bar","type":"bytes32"},{"indexed":false,"name":"wad","type":"uint256"},{"indexed":false,"name":"fax","type":"bytes"}],"name":"LogNote","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"authority","type":"address"}],"name":"LogSetAuthority","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"}],"name":"LogSetOwner","type":"event"}]]`
Ray = big.NewFloat(1e27)
)

3
pkg/transformers/price_feeds/converter_test.go
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@ -21,6 +21,7 @@ import (
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/transformers/price_feeds"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
)
var _ = Describe("Price feed converter", func() {
@ -31,7 +32,7 @@ var _ = Describe("Price feed converter", func() {
// https://etherscan.io/tx/0xa51a50a2adbfba4e2ab3d72dfd67a21c769f1bc8d2b180663a15500a56cde58f
log := types.Log{
Address: medianizerAddress,
Topics: []common.Hash{common.HexToHash(price_feeds.LogValueTopic0)},
Topics: []common.Hash{common.HexToHash(shared.LogValueSignature)},
Data: common.FromHex("00000000000000000000000000000000000000000000001486f658319fb0c100"),
BlockNumber: blockNumber,
TxHash: common.HexToHash("0xa51a50a2adbfba4e2ab3d72dfd67a21c769f1bc8d2b180663a15500a56cde58f"),

3
pkg/transformers/price_feeds/fetcher.go
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@ -19,6 +19,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
"math/big"
)
@ -48,7 +49,7 @@ func (fetcher PriceFeedFetcher) FetchLogValues(blockNumber int64) ([]types.Log,
FromBlock: n,
ToBlock: n,
Addresses: addresses,
Topics: [][]common.Hash{{common.HexToHash(LogValueTopic0)}},
Topics: [][]common.Hash{{common.HexToHash(shared.LogValueSignature)}},
}
return fetcher.blockChain.GetEthLogsWithCustomQuery(query)
}

3
pkg/transformers/price_feeds/fetcher_test.go
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@ -25,6 +25,7 @@ import (
"github.com/vulcanize/vulcanizedb/pkg/fakes"
"github.com/vulcanize/vulcanizedb/pkg/transformers/price_feeds"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
)
var _ = Describe("Price fetcher", func() {
@ -46,7 +47,7 @@ var _ = Describe("Price fetcher", func() {
FromBlock: big.NewInt(blockNumber),
ToBlock: big.NewInt(blockNumber),
Addresses: expectedAddresses,
Topics: [][]common.Hash{{common.HexToHash(price_feeds.LogValueTopic0)}},
Topics: [][]common.Hash{{common.HexToHash(shared.LogValueSignature)}},
}
mockBlockChain.AssertGetEthLogsWithCustomQueryCalledWith(expectedQuery)
})

27
pkg/transformers/shared/constants.go
View File

@ -15,12 +15,27 @@
package shared
var (
biteMethod = "Bite(bytes32,bytes32,uint256,uint256,uint256,uint256,uint256)"
flipKickMethod = "Kick(uint256,uint256,uint256,address,uint48,bytes32,uint256)"
frobMethod = "Frob(bytes32,bytes32,uint256,uint256,int256,int256,uint256)"
pitFileMethodOne = "file(bytes32,bytes32,uint256)"
pitFileMethodThree = "file(bytes32,address)"
pitFileMethodTwo = "file(bytes32,uint256)"
tendMethod = "tend(uint256,uint256,uint256)"
CatABI = "[{\"constant\":true,\"inputs\":[],\"name\":\"vat\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"vow\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"flips\",\"outputs\":[{\"name\":\"ilk\",\"type\":\"bytes32\"},{\"name\":\"lad\",\"type\":\"bytes32\"},{\"name\":\"ink\",\"type\":\"uint256\"},{\"name\":\"tab\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"nflip\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"live\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"address\"}],\"name\":\"wards\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"bytes32\"}],\"name\":\"ilks\",\"outputs\":[{\"name\":\"flip\",\"type\":\"address\"},{\"name\":\"chop\",\"type\":\"uint256\"},{\"name\":\"lump\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"pit\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"name\":\"vat_\",\"type\":\"address\"},{\"name\":\"pit_\",\"type\":\"address\"},{\"name\":\"vow_\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"ilk\",\"type\":\"bytes32\"},{\"indexed\":true,\"name\":\"lad\",\"type\":\"bytes32\"},{\"indexed\":false,\"name\":\"ink\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"art\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"tab\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"flip\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"iArt\",\"type\":\"uint256\"}],\"name\":\"Bite\",\"type\":\"event\"},{\"anonymous\":true,\"inputs\":[{\"indexed\":true,\"name\":\"sig\",\"type\":\"bytes4\"},{\"indexed\":true,\"name\":\"guy\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"foo\",\"type\":\"bytes32\"},{\"indexed\":true,\"name\":\"bar\",\"type\":\"bytes32\"},{\"indexed\":false,\"name\":\"wad\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"fax\",\"type\":\"bytes\"}],\"name\":\"LogNote\",\"type\":\"event\"},{\"constant\":false,\"inputs\":[{\"name\":\"guy\",\"type\":\"address\"}],\"name\":\"rely\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"guy\",\"type\":\"address\"}],\"name\":\"deny\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"ilk\",\"type\":\"bytes32\"},{\"name\":\"what\",\"type\":\"bytes32\"},{\"name\":\"data\",\"type\":\"uint256\"}],\"name\":\"file\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"ilk\",\"type\":\"bytes32\"},{\"name\":\"what\",\"type\":\"bytes32\"},{\"name\":\"flip\",\"type\":\"address\"}],\"name\":\"file\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"ilk\",\"type\":\"bytes32\"},{\"name\":\"lad\",\"type\":\"bytes32\"}],\"name\":\"bite\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"n\",\"type\":\"uint256\"},{\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"flip\",\"outputs\":[{\"name\":\"id\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]"
FlipperABI = `[{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"bids","outputs":[{"name":"bid","type":"uint256"},{"name":"lot","type":"uint256"},{"name":"guy","type":"address"},{"name":"tic","type":"uint48"},{"name":"end","type":"uint48"},{"name":"urn","type":"bytes32"},{"name":"gal","type":"address"},{"name":"tab","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function","signature":"0x4423c5f1"},{"constant":true,"inputs":[],"name":"ttl","outputs":[{"name":"","type":"uint48"}],"payable":false,"stateMutability":"view","type":"function","signature":"0x4e8b1dd5"},{"constant":true,"inputs":[],"name":"gem","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function","signature":"0x7bd2bea7"},{"constant":true,"inputs":[],"name":"beg","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function","signature":"0x7d780d82"},{"constant":true,"inputs":[],"name":"tau","outputs":[{"name":"","type":"uint48"}],"payable":false,"stateMutability":"view","type":"function","signature":"0xcfc4af55"},{"constant":true,"inputs":[],"name":"kicks","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function","signature":"0xcfdd3302"},{"constant":true,"inputs":[],"name":"dai","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function","signature":"0xf4b9fa75"},{"inputs":[{"name":"dai_","type":"address"},{"name":"gem_","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor","signature":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"id","type":"uint256"},{"indexed":false,"name":"lot","type":"uint256"},{"indexed":false,"name":"bid","type":"uint256"},{"indexed":false,"name":"gal","type":"address"},{"indexed":false,"name":"end","type":"uint48"},{"indexed":true,"name":"urn","type":"bytes32"},{"indexed":false,"name":"tab","type":"uint256"}],"name":"Kick","type":"event","signature":"0xbac86238bdba81d21995024470425ecb370078fa62b7271b90cf28cbd1e3e87e"},{"anonymous":true,"inputs":[{"indexed":true,"name":"sig","type":"bytes4"},{"indexed":true,"name":"guy","type":"address"},{"indexed":true,"name":"foo","type":"bytes32"},{"indexed":true,"name":"bar","type":"bytes32"},{"indexed":false,"name":"wad","type":"uint256"},{"indexed":false,"name":"fax","type":"bytes"}],"name":"LogNote","type":"event","signature":"0x644843f351d3fba4abcd60109eaff9f54bac8fb8ccf0bab941009c21df21cf31"},{"constant":true,"inputs":[],"name":"era","outputs":[{"name":"","type":"uint48"}],"payable":false,"stateMutability":"view","type":"function","signature":"0x143e55e0"},{"constant":false,"inputs":[{"name":"urn","type":"bytes32"},{"name":"gal","type":"address"},{"name":"tab","type":"uint256"},{"name":"lot","type":"uint256"},{"name":"bid","type":"uint256"}],"name":"kick","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0xeae19d9e"},{"constant":false,"inputs":[{"name":"id","type":"uint256"}],"name":"tick","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0xfc7b6aee"},{"constant":false,"inputs":[{"name":"id","type":"uint256"},{"name":"lot","type":"uint256"},{"name":"bid","type":"uint256"}],"name":"tend","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0x4b43ed12"},{"constant":false,"inputs":[{"name":"id","type":"uint256"},{"name":"lot","type":"uint256"},{"name":"bid","type":"uint256"}],"name":"dent","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0x5ff3a382"},{"constant":false,"inputs":[{"name":"id","type":"uint256"}],"name":"deal","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0xc959c42b"}]`
FlipperContractAddress = "0x6b59c42097e2fff7cad96cb08ceefd601081ad9c" //this is a temporary address deployed locally
FlipKickSignature = "0x8828a22eb6a18623309ad55592866c4b077989e9e8a25e1b85f9bf6f7282520f"
FrobSignature = "0x6cedf1d3a466a3d6bab04887b1642177bf6dbf1daa737c2e8f639cd0b020d9d0"
MedianizerABI = `[{"constant":false,"inputs":[{"name":"owner_","type":"address"}],"name":"setOwner","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"","type":"bytes32"}],"name":"poke","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"poke","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"compute","outputs":[{"name":"","type":"bytes32"},{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"wat","type":"address"}],"name":"set","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"wat","type":"address"}],"name":"unset","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"indexes","outputs":[{"name":"","type":"bytes12"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"next","outputs":[{"name":"","type":"bytes12"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"read","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"peek","outputs":[{"name":"","type":"bytes32"},{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"bytes12"}],"name":"values","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"min_","type":"uint96"}],"name":"setMin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"authority_","type":"address"}],"name":"setAuthority","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"void","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"pos","type":"bytes12"},{"name":"wat","type":"address"}],"name":"set","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"authority","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"pos","type":"bytes12"}],"name":"unset","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"next_","type":"bytes12"}],"name":"setNext","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"min","outputs":[{"name":"","type":"uint96"}],"payable":false,"stateMutability":"view","type":"function"},{"anonymous":false,"inputs":[{"indexed":false,"name":"val","type":"bytes32"}],"name":"LogValue","type":"event"},{"anonymous":true,"inputs":[{"indexed":true,"name":"sig","type":"bytes4"},{"indexed":true,"name":"guy","type":"address"},{"indexed":true,"name":"foo","type":"bytes32"},{"indexed":true,"name":"bar","type":"bytes32"},{"indexed":false,"name":"wad","type":"uint256"},{"indexed":false,"name":"fax","type":"bytes"}],"name":"LogNote","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"authority","type":"address"}],"name":"LogSetAuthority","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"}],"name":"LogSetOwner","type":"event"}]]`
PitABI = `[{"constant":true,"inputs":[],"name":"vat","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function","signature":"0x36569e77"},{"constant":true,"inputs":[],"name":"live","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function","signature":"0x957aa58c"},{"constant":true,"inputs":[],"name":"drip","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function","signature":"0x9f678cca"},{"constant":true,"inputs":[],"name":"Line","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function","signature":"0xbabe8a3f"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"wards","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function","signature":"0xbf353dbb"},{"constant":true,"inputs":[{"name":"","type":"bytes32"}],"name":"ilks","outputs":[{"name":"spot","type":"uint256"},{"name":"line","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function","signature":"0xd9638d36"},{"inputs":[{"name":"vat_","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor","signature":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"ilk","type":"bytes32"},{"indexed":true,"name":"urn","type":"bytes32"},{"indexed":false,"name":"ink","type":"uint256"},{"indexed":false,"name":"art","type":"uint256"},{"indexed":false,"name":"dink","type":"int256"},{"indexed":false,"name":"dart","type":"int256"},{"indexed":false,"name":"iArt","type":"uint256"}],"name":"Frob","type":"event","signature":"0xb2afa28318bcc689926b52835d844de174ef8de97e982a85c0199d584920791b"},{"anonymous":true,"inputs":[{"indexed":true,"name":"sig","type":"bytes4"},{"indexed":true,"name":"guy","type":"address"},{"indexed":true,"name":"foo","type":"bytes32"},{"indexed":true,"name":"bar","type":"bytes32"},{"indexed":false,"name":"wad","type":"uint256"},{"indexed":false,"name":"fax","type":"bytes"}],"name":"LogNote","type":"event","signature":"0x644843f351d3fba4abcd60109eaff9f54bac8fb8ccf0bab941009c21df21cf31"},{"constant":false,"inputs":[{"name":"guy","type":"address"}],"name":"rely","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0x65fae35e"},{"constant":false,"inputs":[{"name":"guy","type":"address"}],"name":"deny","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0x9c52a7f1"},{"constant":false,"inputs":[{"name":"ilk","type":"bytes32"},{"name":"what","type":"bytes32"},{"name":"data","type":"uint256"}],"name":"file","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0x1a0b287e"},{"constant":false,"inputs":[{"name":"what","type":"bytes32"},{"name":"data","type":"uint256"}],"name":"file","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0x29ae8114"},{"constant":false,"inputs":[{"name":"what","type":"bytes32"},{"name":"data","type":"address"}],"name":"file","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0xd4e8be83"},{"constant":false,"inputs":[{"name":"ilk","type":"bytes32"},{"name":"dink","type":"int256"},{"name":"dart","type":"int256"}],"name":"frob","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function","signature":"0x5a984ded"}]`
PitFileSignature = "0x1a0b287e00000000000000000000000000000000000000000000000000000000"
TendFunctionSignature = "0x4b43ed1200000000000000000000000000000000000000000000000000000000"
BiteSignature = "0x44a8f29dfcf27e5dd7a4db50b390f851bf3ecf2bf221243be3e853f586134455"
FlipperContractAddress = "0x6b59c42097e2fff7cad96cb08ceefd601081ad9c" //this is a temporary address deployed locally
BiteSignature = GetEventSignature(biteMethod)
FlipKickSignature = GetEventSignature(flipKickMethod)
FrobSignature = GetEventSignature(frobMethod)
LogValueSignature = GetEventSignature("")
PitFileSignatureOne = GetLogNoteSignature(pitFileMethodOne)
PitFileSignatureThree = GetLogNoteSignature(pitFileMethodThree)
PitFileSignatureTwo = GetLogNoteSignature(pitFileMethodTwo)
TendFunctionSignature = GetLogNoteSignature(tendMethod)
)

14
pkg/transformers/shared/event_signature_generator.go Normal file
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@ -0,0 +1,14 @@
package shared
import "github.com/ethereum/go-ethereum/crypto"
func GetEventSignature(solidityMethodSignature string) string {
eventSignature := []byte(solidityMethodSignature)
hash := crypto.Keccak256Hash(eventSignature)
return hash.Hex()
}
func GetLogNoteSignature(solidityMethodSignature string) string {
rawSignature := GetEventSignature(solidityMethodSignature)
return rawSignature[:10] + "00000000000000000000000000000000000000000000000000000000"
}

69
pkg/transformers/shared/event_signature_generator_test.go Normal file
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@ -0,0 +1,69 @@
package shared_test
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
)
var _ = Describe("Event signature generator", func() {
Describe("generating non-anonymous event signatures", func() {
It("generates bite event signature", func() {
expected := "0x99b5620489b6ef926d4518936cfec15d305452712b88bd59da2d9c10fb0953e8"
actual := shared.GetEventSignature("Bite(bytes32,bytes32,uint256,uint256,uint256,uint256,uint256)")
Expect(expected).To(Equal(actual))
})
It("generates frob event signature", func() {
expected := "0xb2afa28318bcc689926b52835d844de174ef8de97e982a85c0199d584920791b"
actual := shared.GetEventSignature("Frob(bytes32,bytes32,uint256,uint256,int256,int256,uint256)")
Expect(expected).To(Equal(actual))
})
It("generates flip kick event signature", func() {
expected := "0xbac86238bdba81d21995024470425ecb370078fa62b7271b90cf28cbd1e3e87e"
actual := shared.GetEventSignature("Kick(uint256,uint256,uint256,address,uint48,bytes32,uint256)")
Expect(expected).To(Equal(actual))
})
It("generates log value event signature", func() {
expected := "0x296ba4ca62c6c21c95e828080cb8aec7481b71390585605300a8a76f9e95b527"
actual := shared.GetEventSignature("LogValue(bytes32)")
Expect(expected).To(Equal(actual))
})
})
Describe("generating LogNote event signatures", func() {
It("generates flip tend event signature", func() {
expected := "0x4b43ed1200000000000000000000000000000000000000000000000000000000"
actual := shared.GetLogNoteSignature("tend(uint256,uint256,uint256)")
Expect(expected).To(Equal(actual))
})
It("generates pit file event signature for overloaded function with three arguments", func() {
expected := "0x1a0b287e00000000000000000000000000000000000000000000000000000000"
actual := shared.GetLogNoteSignature("file(bytes32,bytes32,uint256)")
Expect(expected).To(Equal(actual))
})
It("generates pit file event signature for overloaded function with two arguments", func() {
expected := "0x29ae811400000000000000000000000000000000000000000000000000000000"
actual := shared.GetLogNoteSignature("file(bytes32,uint256)")
Expect(expected).To(Equal(actual))
})
It("generates pit file event signature for overloaded function with two different arguments", func() {
expected := "0xd4e8be8300000000000000000000000000000000000000000000000000000000"
actual := shared.GetLogNoteSignature("file(bytes32,address)")
Expect(expected).To(Equal(actual))
})
})
})