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Add Filters (#133)

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* Add LogFilter struct

* Add log_filters table

* Add view for events watching

* Add cmd line "add_filter" to mimic eventual endpoint

* Allow multiple filters in config
This commit is contained in:
Matt K 2018-01-23 12:43:35 -06:00 committed by GitHub
parent 3f06c7374b
commit c00b8a5a98
19 changed files with 514 additions and 26 deletions
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1
.gitignore vendored
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@ -7,3 +7,4 @@ environments/*.toml
Vagrantfile
vagrant_bootstrap.sh
.vagrant
test_scripts/

23
Gododir/main.go
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@ -28,13 +28,16 @@ func tasks(p *do.Project) {
p.Task("vulcanizeDb", nil, func(context *do.Context) {
environment := parseEnvironment(context)
context.Start(`go run main.go --environment={{.environment}}`,
do.M{"environment": environment, "$in": "cmd/vulcanize_db"})
startingNumber := context.Args.MayInt(0, "starting-number", "s")
context.Start(`go run main.go --environment={{.environment}} --starting-number={{.startingNumber}}`,
do.M{"environment": environment,
"startingNumber": startingNumber,
"$in": "cmd/vulcanize_db"})
})
p.Task("populateBlocks", nil, func(context *do.Context) {
environment := parseEnvironment(context)
startingNumber := context.Args.MayInt(-1, "starting-number")
startingNumber := context.Args.MayInt(-1, "starting-number", "s")
if startingNumber < 0 {
log.Fatalln("--starting-number required")
}
@ -42,6 +45,20 @@ func tasks(p *do.Project) {
do.M{"environment": environment, "startingNumber": startingNumber, "$in": "cmd/populate_blocks"})
})
p.Task("watchEvent", nil, func(context *do.Context) {
environment := parseEnvironment(context)
filterFilePath := context.Args.MayString("", "filter-filepath", "f")
if filterFilePath == "" {
log.Fatalln("--filter-filepath required")
}
context.Start(`go run main.go --environment={{.environment}} --filter-filepath={{.filterFilePath}}`,
do.M{
"environment": environment,
"filterFilePath": filterFilePath,
"$in": "cmd/add_filter",
})
})
p.Task("watchContract", nil, func(context *do.Context) {
environment := parseEnvironment(context)
contractHash := context.Args.MayString("", "contract-hash", "c")

13
README.md
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@ -60,19 +60,26 @@ The default location for Ethereum is:
**Note the location of the ipc file is outputted when you connect to a blockchain. It is needed to for configuration**
## Start Vulcanize DB
1. Start a blockchain.
1. Start geth
2. In a separate terminal start vulcanize_db
- `godo vulcanizeDb -- --environment=<some-environment>`
## Watch contract events
1. Start geth
2. In a separate terminal start vulcanize_db
- `godo vulcanizeDb -- --environment=<some-environment>`
3. Create event filter
- `godo watchEvent -- --environment=<some-environment> --filter-filepath=<filters/example-filer.json>`
## Running Listener
1. Start a blockchain.
1. Start geth
2. In a separate terminal start listener (ipcDir location)
- `godo run -- --environment=<some-environment>`
## Retrieving Historical Data
1. Start a blockchain.
1. Start geth
2. In a separate terminal start listener (ipcDir location)
- `godo populateBlocks -- --environment=<some-environment> --starting-number=<starting-block-number>`

38
cmd/add_filter/main.go Normal file
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@ -0,0 +1,38 @@
package main
import (
"encoding/json"
"flag"
"io/ioutil"
"log"
"github.com/8thlight/vulcanizedb/cmd"
"github.com/8thlight/vulcanizedb/pkg/filters"
"github.com/8thlight/vulcanizedb/pkg/geth"
)
func main() {
environment := flag.String("environment", "", "Environment name")
filterFilePath := flag.String("filter-filepath", "", "path/to/filter.json")
flag.Parse()
var logFilters filters.LogFilters
config := cmd.LoadConfig(*environment)
blockchain := geth.NewBlockchain(config.Client.IPCPath)
repository := cmd.LoadPostgres(config.Database, blockchain.Node())
absFilePath := cmd.AbsFilePath(*filterFilePath)
logFilterBytes, err := ioutil.ReadFile(absFilePath)
if err != nil {
log.Fatal(err)
}
err = json.Unmarshal(logFilterBytes, &logFilters)
if err != nil {
log.Fatal(err)
}
for _, filter := range logFilters {
err = repository.AddFilter(filter)
if err != nil {
log.Fatal(err)
}
}
}

11
cmd/utils.go
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@ -30,9 +30,7 @@ func LoadPostgres(database config.Database, node core.Node) repositories.Postgre
}
func ReadAbiFile(abiFilepath string) string {
if !filepath.IsAbs(abiFilepath) {
abiFilepath = filepath.Join(config.ProjectRoot(), abiFilepath)
}
abiFilepath = AbsFilePath(abiFilepath)
abi, err := geth.ReadAbiFile(abiFilepath)
if err != nil {
log.Fatalf("Error reading ABI file at \"%s\"\n %v", abiFilepath, err)
@ -40,6 +38,13 @@ func ReadAbiFile(abiFilepath string) string {
return abi
}
func AbsFilePath(filePath string) string {
if !filepath.IsAbs(filePath) {
filePath = filepath.Join(config.ProjectRoot(), filePath)
}
return filePath
}
func GetAbi(abiFilepath string, contractHash string, network string) string {
var contractAbiString string
if abiFilepath != "" {

10
cmd/vulcanize_db/main.go
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@ -18,14 +18,15 @@ const (
pollingInterval = 7 * time.Second
)
func backFillAllBlocks(blockchain core.Blockchain, repository repositories.Postgres, missingBlocksPopulated chan int) {
func backFillAllBlocks(blockchain core.Blockchain, repository repositories.Postgres, missingBlocksPopulated chan int, startingBlockNumber int64) {
go func() {
missingBlocksPopulated <- history.PopulateMissingBlocks(blockchain, repository, 0)
missingBlocksPopulated <- history.PopulateMissingBlocks(blockchain, repository, startingBlockNumber)
}()
}
func main() {
environment := flag.String("environment", "", "Environment name")
startingBlockNumber := flag.Int("starting-number", 0, "First block to fill from")
flag.Parse()
ticker := time.NewTicker(pollingInterval)
@ -37,7 +38,8 @@ func main() {
validator := history.NewBlockValidator(blockchain, repository, 15)
missingBlocksPopulated := make(chan int)
go backFillAllBlocks(blockchain, repository, missingBlocksPopulated)
_startingBlockNumber := int64(*startingBlockNumber)
go backFillAllBlocks(blockchain, repository, missingBlocksPopulated, _startingBlockNumber)
for {
select {
@ -45,7 +47,7 @@ func main() {
window := validator.ValidateBlocks()
validator.Log(os.Stdout, window)
case <-missingBlocksPopulated:
go backFillAllBlocks(blockchain, repository, missingBlocksPopulated)
go backFillAllBlocks(blockchain, repository, missingBlocksPopulated, _startingBlockNumber)
}
}
}

1
db/migrations/1516648743_add_log_filters.down.sql Normal file
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@ -0,0 +1 @@
DROP TABLE log_filters;

12
db/migrations/1516648743_add_log_filters.up.sql Normal file
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@ -0,0 +1,12 @@
CREATE TABLE log_filters (
id SERIAL,
name VARCHAR NOT NULL CHECK (name <> ''),
from_block BIGINT CHECK (from_block >= 0),
to_block BIGINT CHECK (from_block >= 0),
address VARCHAR(66),
topic0 VARCHAR(66),
topic1 VARCHAR(66),
topic2 VARCHAR(66),
topic3 VARCHAR(66),
CONSTRAINT name_uc UNIQUE (name)
);

1
db/migrations/1516653373_add_watched_event_logs.down.sql Normal file
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@ -0,0 +1 @@
DROP VIEW watched_event_logs;

29
db/migrations/1516653373_add_watched_event_logs.up.sql Normal file
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@ -0,0 +1,29 @@
CREATE VIEW block_stats AS
SELECT
max(block_number) AS max_block,
min(block_number) AS min_block
FROM logs;
CREATE VIEW watched_event_logs AS
SELECT
log_filters.name,
logs.id,
block_number,
logs.address,
tx_hash,
index,
logs.topic0,
logs.topic1,
logs.topic2,
logs.topic3,
data,
receipt_id
FROM log_filters
CROSS JOIN block_stats
JOIN logs ON logs.address = log_filters.address
AND logs.block_number >= coalesce(log_filters.from_block, block_stats.min_block)
AND logs.block_number <= coalesce(log_filters.to_block, block_stats.max_block)
WHERE (log_filters.topic0 = logs.topic0 OR log_filters.topic0 ISNULL)
AND (log_filters.topic1 = logs.topic1 OR log_filters.topic1 ISNULL)
AND (log_filters.topic2 = logs.topic2 OR log_filters.topic2 ISNULL)
AND (log_filters.topic3 = logs.topic3 OR log_filters.topic3 ISNULL);

102
db/schema.sql
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@ -34,6 +34,35 @@ SET default_tablespace = '';
SET default_with_oids = false;
--
-- Name: logs; Type: TABLE; Schema: public; Owner: -
--
CREATE TABLE logs (
id integer NOT NULL,
block_number bigint,
address character varying(66),
tx_hash character varying(66),
index bigint,
topic0 character varying(66),
topic1 character varying(66),
topic2 character varying(66),
topic3 character varying(66),
data text,
receipt_id integer
);
--
-- Name: block_stats; Type: VIEW; Schema: public; Owner: -
--
CREATE VIEW block_stats AS
SELECT max(logs.block_number) AS max_block,
min(logs.block_number) AS min_block
FROM logs;
--
-- Name: blocks; Type: TABLE; Schema: public; Owner: -
--
@ -80,24 +109,45 @@ ALTER SEQUENCE blocks_id_seq OWNED BY blocks.id;
--
-- Name: logs; Type: TABLE; Schema: public; Owner: -
-- Name: log_filters; Type: TABLE; Schema: public; Owner: -
--
CREATE TABLE logs (
CREATE TABLE log_filters (
id integer NOT NULL,
block_number bigint,
name character varying NOT NULL,
from_block bigint,
to_block bigint,
address character varying(66),
tx_hash character varying(66),
index bigint,
topic0 character varying(66),
topic1 character varying(66),
topic2 character varying(66),
topic3 character varying(66),
data text,
receipt_id integer
CONSTRAINT log_filters_from_block_check CHECK ((from_block >= 0)),
CONSTRAINT log_filters_from_block_check1 CHECK ((from_block >= 0)),
CONSTRAINT log_filters_name_check CHECK (((name)::text <> ''::text))
);
--
-- Name: log_filters_id_seq; Type: SEQUENCE; Schema: public; Owner: -
--
CREATE SEQUENCE log_filters_id_seq
AS integer
START WITH 1
INCREMENT BY 1
NO MINVALUE
NO MAXVALUE
CACHE 1;
--
-- Name: log_filters_id_seq; Type: SEQUENCE OWNED BY; Schema: public; Owner: -
--
ALTER SEQUENCE log_filters_id_seq OWNED BY log_filters.id;
--
-- Name: logs_id_seq; Type: SEQUENCE; Schema: public; Owner: -
--
@ -266,6 +316,29 @@ CREATE SEQUENCE watched_contracts_contract_id_seq
ALTER SEQUENCE watched_contracts_contract_id_seq OWNED BY watched_contracts.contract_id;
--
-- Name: watched_event_logs; Type: VIEW; Schema: public; Owner: -
--
CREATE VIEW watched_event_logs AS
SELECT log_filters.name,
logs.id,
logs.block_number,
logs.address,
logs.tx_hash,
logs.index,
logs.topic0,
logs.topic1,
logs.topic2,
logs.topic3,
logs.data,
logs.receipt_id
FROM ((log_filters
CROSS JOIN block_stats)
JOIN logs ON ((((logs.address)::text = (log_filters.address)::text) AND (logs.block_number >= COALESCE(log_filters.from_block, block_stats.min_block)) AND (logs.block_number <= COALESCE(log_filters.to_block, block_stats.max_block)))))
WHERE ((((log_filters.topic0)::text = (logs.topic0)::text) OR (log_filters.topic0 IS NULL)) AND (((log_filters.topic1)::text = (logs.topic1)::text) OR (log_filters.topic1 IS NULL)) AND (((log_filters.topic2)::text = (logs.topic2)::text) OR (log_filters.topic2 IS NULL)) AND (((log_filters.topic3)::text = (logs.topic3)::text) OR (log_filters.topic3 IS NULL)));
--
-- Name: blocks id; Type: DEFAULT; Schema: public; Owner: -
--
@ -273,6 +346,13 @@ ALTER SEQUENCE watched_contracts_contract_id_seq OWNED BY watched_contracts.cont
ALTER TABLE ONLY blocks ALTER COLUMN id SET DEFAULT nextval('blocks_id_seq'::regclass);
--
-- Name: log_filters id; Type: DEFAULT; Schema: public; Owner: -
--
ALTER TABLE ONLY log_filters ALTER COLUMN id SET DEFAULT nextval('log_filters_id_seq'::regclass);
--
-- Name: logs id; Type: DEFAULT; Schema: public; Owner: -
--
@ -332,6 +412,14 @@ ALTER TABLE ONLY logs
ADD CONSTRAINT logs_pkey PRIMARY KEY (id);
--
-- Name: log_filters name_uc; Type: CONSTRAINT; Schema: public; Owner: -
--
ALTER TABLE ONLY log_filters
ADD CONSTRAINT name_uc UNIQUE (name);
--
-- Name: blocks node_id_block_number_uc; Type: CONSTRAINT; Schema: public; Owner: -
--

15
filters/example-filter.json Normal file
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@ -0,0 +1,15 @@
[{
"name": "TransferFilter",
"fromBlock": "0x488290",
"toBlock": "0x488678",
"address": "0x06012c8cf97bead5deae237070f9587f8e7a266d",
"topics": ["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"]
},
{
"name": "NewFilter",
"toBlock": "0x4B34AA",
"fromBlock": "0x4B34AD",
"address": "0x06012c8cf97bead5deae237070f9587f8e7a266d",
"topics": ["0x241ea03ca20251805084d27d4440371c34a0b85ff108f6bb5611248f73818b80"]
}]

64
pkg/filters/filter_query.go Normal file
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@ -0,0 +1,64 @@
package filters
import (
"encoding/json"
"errors"
"github.com/8thlight/vulcanizedb/pkg/core"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
)
type LogFilters []LogFilter
type LogFilter struct {
Name string `json:"name"`
FromBlock int64 `json:"fromBlock"`
ToBlock int64 `json:"toBlock"`
Address string `json:"address"`
core.Topics `json:"topics"`
}
func (filterQuery *LogFilter) UnmarshalJSON(input []byte) error {
type Alias LogFilter
var err error
aux := &struct {
ToBlock string `json:"toBlock"`
FromBlock string `json:"fromBlock"`
*Alias
}{
Alias: (*Alias)(filterQuery),
}
if err := json.Unmarshal(input, &aux); err != nil {
return err
}
if filterQuery.Name == "" {
return errors.New("filters: must provide name for logfilter")
}
filterQuery.ToBlock, err = filterQuery.unmarshalFromToBlock(aux.ToBlock)
if err != nil {
return errors.New("filters: invalid fromBlock")
}
filterQuery.FromBlock, err = filterQuery.unmarshalFromToBlock(aux.FromBlock)
if err != nil {
return errors.New("filters: invalid fromBlock")
}
if !common.IsHexAddress(filterQuery.Address) {
return errors.New("filters: invalid address")
}
return nil
}
func (filterQuery *LogFilter) unmarshalFromToBlock(auxBlock string) (int64, error) {
if auxBlock == "" {
return -1, nil
}
block, err := hexutil.DecodeUint64(auxBlock)
if err != nil {
return 0, errors.New("filters: invalid block arg")
}
return int64(block), nil
}

125
pkg/filters/filter_test.go Normal file
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@ -0,0 +1,125 @@
package filters_test
import (
"encoding/json"
"github.com/8thlight/vulcanizedb/pkg/core"
"github.com/8thlight/vulcanizedb/pkg/filters"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Log filters", func() {
It("decodes web3 filter to LogFilter", func() {
var logFilter filters.LogFilter
jsonFilter := []byte(
`{
"name": "TestEvent",
"fromBlock": "0x1",
"toBlock": "0x488290",
"address": "0x8888f1f195afa192cfee860698584c030f4c9db1",
"topics": ["0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null, "0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null]
}`)
err := json.Unmarshal(jsonFilter, &logFilter)
Expect(err).ToNot(HaveOccurred())
Expect(logFilter.Name).To(Equal("TestEvent"))
Expect(logFilter.FromBlock).To(Equal(int64(1)))
Expect(logFilter.ToBlock).To(Equal(int64(4752016)))
Expect(logFilter.Address).To(Equal("0x8888f1f195afa192cfee860698584c030f4c9db1"))
Expect(logFilter.Topics).To(Equal(
core.Topics{
"0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b",
"",
"0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b",
""}))
})
It("decodes array of web3 filters to []LogFilter", func() {
logFilters := make([]filters.LogFilter, 0)
jsonFilter := []byte(
`[{
"name": "TestEvent",
"fromBlock": "0x1",
"toBlock": "0x488290",
"address": "0x8888f1f195afa192cfee860698584c030f4c9db1",
"topics": ["0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null, "0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null]
},
{
"name": "TestEvent2",
"fromBlock": "0x3",
"toBlock": "0x4",
"address": "0xd26114cd6EE289AccF82350c8d8487fedB8A0C07",
"topics": ["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef", "0x0000000000000000000000006b0949d4c6edfe467db78241b7d5566f3c2bb43e", "0x0000000000000000000000005e44c3e467a49c9ca0296a9f130fc433041aaa28"]
}]`)
err := json.Unmarshal(jsonFilter, &logFilters)
Expect(err).ToNot(HaveOccurred())
Expect(len(logFilters)).To(Equal(2))
Expect(logFilters[0].Name).To(Equal("TestEvent"))
Expect(logFilters[1].Name).To(Equal("TestEvent2"))
})
It("requires valid ethereum address", func() {
var logFilter filters.LogFilter
jsonFilter := []byte(
`{
"name": "TestEvent",
"fromBlock": "0x1",
"toBlock": "0x2",
"address": "0x8888f1f195afa192cf84c030f4c9db1",
"topics": ["0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null, "0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null]
}`)
err := json.Unmarshal(jsonFilter, &logFilter)
Expect(err).To(HaveOccurred())
})
It("requires name", func() {
var logFilter filters.LogFilter
jsonFilter := []byte(
`{
"fromBlock": "0x1",
"toBlock": "0x2",
"address": "0x8888f1f195afa192cfee860698584c030f4c9db1",
"topics": ["0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null, "0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null]
}`)
err := json.Unmarshal(jsonFilter, &logFilter)
Expect(err).To(HaveOccurred())
})
It("maps missing fromBlock to -1", func() {
var logFilter filters.LogFilter
jsonFilter := []byte(
`{
"name": "TestEvent",
"toBlock": "0x2",
"address": "0x8888f1f195afa192cfee860698584c030f4c9db1",
"topics": ["0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null, "0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null]
}`)
err := json.Unmarshal(jsonFilter, &logFilter)
Expect(err).ToNot(HaveOccurred())
Expect(logFilter.FromBlock).To(Equal(int64(-1)))
})
It("maps missing toBlock to -1", func() {
var logFilter filters.LogFilter
jsonFilter := []byte(
`{
"name": "TestEvent",
"address": "0x8888f1f195afa192cfee860698584c030f4c9db1",
"topics": ["0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null, "0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null]
}`)
err := json.Unmarshal(jsonFilter, &logFilter)
Expect(err).ToNot(HaveOccurred())
Expect(logFilter.ToBlock).To(Equal(int64(-1)))
})
})

13
pkg/filters/query_builder_suite_test.go Normal file
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@ -0,0 +1,13 @@
package filters_test
import (
"testing"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
func TestQueryBuilder(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "QueryBuilder Suite")
}

14
pkg/repositories/in_memory.go
View File

@ -3,7 +3,10 @@ package repositories
import (
"fmt"
"errors"
"github.com/8thlight/vulcanizedb/pkg/core"
"github.com/8thlight/vulcanizedb/pkg/filters"
)
type InMemory struct {
@ -11,9 +14,19 @@ type InMemory struct {
receipts map[string]core.Receipt
contracts map[string]core.Contract
logs map[string][]core.Log
logFilters map[string]filters.LogFilter
CreateOrUpdateBlockCallCount int
}
func (repository *InMemory) AddFilter(filter filters.LogFilter) error {
key := filter.Name
if _, ok := repository.logFilters[key]; ok || key == "" {
return errors.New("filter name not unique")
}
repository.logFilters[key] = filter
return nil
}
func NewInMemory() *InMemory {
return &InMemory{
CreateOrUpdateBlockCallCount: 0,
@ -21,6 +34,7 @@ func NewInMemory() *InMemory {
receipts: make(map[string]core.Receipt),
contracts: make(map[string]core.Contract),
logs: make(map[string][]core.Log),
logFilters: make(map[string]filters.LogFilter),
}
}

15
pkg/repositories/postgres.go
View File

@ -11,6 +11,7 @@ import (
"github.com/8thlight/vulcanizedb/pkg/config"
"github.com/8thlight/vulcanizedb/pkg/core"
"github.com/8thlight/vulcanizedb/pkg/filters"
"github.com/jmoiron/sqlx"
_ "github.com/lib/pq"
)
@ -303,7 +304,7 @@ func (repository Postgres) createTransaction(tx *sql.Tx, blockId int64, transact
err := tx.QueryRow(
`INSERT INTO transactions
(block_id, tx_hash, tx_nonce, tx_to, tx_from, tx_gaslimit, tx_gasprice, tx_value, tx_input_data)
VALUES ($1, $2, $3, $4, $5, $6, $7, cast(NULLIF($8, '') as NUMERIC), $9)
VALUES ($1, $2, $3, $4, $5, $6, $7, cast(NULLIF($8, '') AS NUMERIC), $9)
RETURNING id`,
blockId, transaction.Hash, transaction.Nonce, transaction.To, transaction.From, transaction.GasLimit, transaction.GasPrice, transaction.Value, transaction.Data).
Scan(&transactionId)
@ -381,6 +382,18 @@ func (repository Postgres) CreateLogs(logs []core.Log) error {
return nil
}
func (repository Postgres) AddFilter(query filters.LogFilter) error {
_, err := repository.Db.Exec(
`INSERT INTO log_filters
(name, from_block, to_block, address, topic0, topic1, topic2, topic3)
VALUES ($1, NULLIF($2, -1), NULLIF($3, -1), $4, NULLIF($5, ''), NULLIF($6, ''), NULLIF($7, ''), NULLIF($8, ''))`,
query.Name, query.FromBlock, query.ToBlock, query.Address, query.Topics[0], query.Topics[1], query.Topics[2], query.Topics[3])
if err != nil {
return err
}
return nil
}
func loadReceipt(receiptsRow *sql.Row) (core.Receipt, error) {
var contractAddress string
var txHash string

6
pkg/repositories/repository.go
View File

@ -1,6 +1,9 @@
package repositories
import "github.com/8thlight/vulcanizedb/pkg/core"
import (
"github.com/8thlight/vulcanizedb/pkg/core"
"github.com/8thlight/vulcanizedb/pkg/filters"
)
const (
blocksFromHeadBeforeFinal = 20
@ -19,4 +22,5 @@ type Repository interface {
CreateLogs(log []core.Log) error
FindLogs(address string, blockNumber int64) []core.Log
SetBlocksStatus(chainHead int64)
AddFilter(filter filters.LogFilter) error
}

39
pkg/repositories/testing/helpers.go
View File

@ -7,6 +7,7 @@ import (
"math/big"
"github.com/8thlight/vulcanizedb/pkg/core"
"github.com/8thlight/vulcanizedb/pkg/filters"
"github.com/8thlight/vulcanizedb/pkg/repositories"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
@ -18,6 +19,7 @@ func ClearData(postgres repositories.Postgres) {
postgres.Db.MustExec("DELETE FROM blocks")
postgres.Db.MustExec("DELETE FROM logs")
postgres.Db.MustExec("DELETE FROM receipts")
postgres.Db.MustExec("DELETE FROM log_filters")
}
func AssertRepositoryBehavior(buildRepository func(node core.Node) repositories.Repository) {
@ -600,6 +602,43 @@ func AssertRepositoryBehavior(buildRepository func(node core.Node) repositories.
Expect(err).To(HaveOccurred())
Expect(receipt).To(BeZero())
})
})
Describe("LogFilter", func() {
It("inserts filter into watched events", func() {
logFilter := filters.LogFilter{
Name: "TestFilter",
FromBlock: 1,
ToBlock: 2,
Address: "0x8888f1f195afa192cfee860698584c030f4c9db1",
Topics: core.Topics{
"0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b",
"",
"0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b",
"",
},
}
err := repository.AddFilter(logFilter)
Expect(err).ToNot(HaveOccurred())
})
It("returns error if name is not provided", func() {
logFilter := filters.LogFilter{
FromBlock: 1,
ToBlock: 2,
Address: "0x8888f1f195afa192cfee860698584c030f4c9db1",
Topics: core.Topics{
"0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b",
"",
"0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b",
"",
},
}
err := repository.AddFilter(logFilter)
Expect(err).To(HaveOccurred())
})
})
}