Merge pull request #77 from vulcanize/ashwinp-gql-get-storage-n-logs

GQL API for getStorageAt and getLogs
This commit is contained in:
Arijit Das 2021-07-05 12:43:53 +05:30 committed by GitHub
commit afc63ac960
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 450 additions and 16 deletions

6
go.mod
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@ -12,17 +12,19 @@ require (
github.com/ipfs/go-ipld-format v0.2.0
github.com/jmoiron/sqlx v1.2.0
github.com/lib/pq v1.8.0
github.com/machinebox/graphql v0.2.2 // indirect
github.com/multiformats/go-multihash v0.0.14
github.com/onsi/ginkgo v1.15.0
github.com/onsi/gomega v1.10.1
github.com/prometheus/client_golang v1.5.1
github.com/shirou/gopsutil v3.21.5+incompatible // indirect
github.com/sirupsen/logrus v1.7.0
github.com/spf13/cobra v1.1.1
github.com/spf13/viper v1.7.0
github.com/vulcanize/ipld-eth-indexer v0.7.1-alpha
github.com/tklauser/go-sysconf v0.3.6 // indirect
github.com/vulcanize/gap-filler v0.3.1
github.com/vulcanize/ipfs-ethdb v0.0.2-alpha
golang.org/x/sys v0.0.0-20210218155724-8ebf48af031b // indirect
github.com/vulcanize/ipld-eth-indexer v0.7.1-alpha
)
replace github.com/ethereum/go-ethereum v1.9.25 => github.com/vulcanize/go-ethereum v1.9.25-statediff-0.0.15

10
go.sum
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@ -697,6 +697,8 @@ github.com/libp2p/go-yamux v1.3.3/go.mod h1:FGTiPvoV/3DVdgWpX+tM0OW3tsM+W5bSE3gZ
github.com/libp2p/go-yamux v1.3.5/go.mod h1:FGTiPvoV/3DVdgWpX+tM0OW3tsM+W5bSE3gZwqQTcow=
github.com/lucas-clemente/quic-go v0.15.7/go.mod h1:Myi1OyS0FOjL3not4BxT7KN29bRkcMUV5JVVFLKtDp8=
github.com/lunixbochs/vtclean v1.0.0/go.mod h1:pHhQNgMf3btfWnGBVipUOjRYhoOsdGqdm/+2c2E2WMI=
github.com/machinebox/graphql v0.2.2 h1:dWKpJligYKhYKO5A2gvNhkJdQMNZeChZYyBbrZkBZfo=
github.com/machinebox/graphql v0.2.2/go.mod h1:F+kbVMHuwrQ5tYgU9JXlnskM8nOaFxCAEolaQybkjWA=
github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
github.com/magiconair/properties v1.8.1 h1:ZC2Vc7/ZFkGmsVC9KvOjumD+G5lXy2RtTKyzRKO2BQ4=
github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
@ -908,6 +910,8 @@ github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAm
github.com/shirou/gopsutil v2.20.5-0.20200531151128-663af789c085+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
github.com/shirou/gopsutil v2.20.5+incompatible h1:tYH07UPoQt0OCQdgWWMgYHy3/a9bcxNpBIysykNIP7I=
github.com/shirou/gopsutil v2.20.5+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
github.com/shirou/gopsutil v3.21.5+incompatible h1:OloQyEerMi7JUrXiNzy8wQ5XN+baemxSl12QgIzt0jc=
github.com/shirou/gopsutil v3.21.5+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
github.com/shurcooL/component v0.0.0-20170202220835-f88ec8f54cc4/go.mod h1:XhFIlyj5a1fBNx5aJTbKoIq0mNaPvOagO+HjB3EtxrY=
github.com/shurcooL/events v0.0.0-20181021180414-410e4ca65f48/go.mod h1:5u70Mqkb5O5cxEA8nxTsgrgLehJeAw6Oc4Ab1c/P1HM=
github.com/shurcooL/github_flavored_markdown v0.0.0-20181002035957-2122de532470/go.mod h1:2dOwnU2uBioM+SGy2aZoq1f/Sd1l9OkAeAUvjSyvgU0=
@ -994,6 +998,10 @@ github.com/syndtr/goleveldb v1.0.1-0.20200815110645-5c35d600f0ca h1:Ld/zXl5t4+D6
github.com/syndtr/goleveldb v1.0.1-0.20200815110645-5c35d600f0ca/go.mod h1:u2MKkTVTVJWe5D1rCvame8WqhBd88EuIwODJZ1VHCPM=
github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07/go.mod h1:kDXzergiv9cbyO7IOYJZWg1U88JhDg3PB6klq9Hg2pA=
github.com/texttheater/golang-levenshtein v0.0.0-20180516184445-d188e65d659e/go.mod h1:XDKHRm5ThF8YJjx001LtgelzsoaEcvnA7lVWz9EeX3g=
github.com/tklauser/go-sysconf v0.3.6 h1:oc1sJWvKkmvIxhDHeKWvZS4f6AW+YcoguSfRF2/Hmo4=
github.com/tklauser/go-sysconf v0.3.6/go.mod h1:MkWzOF4RMCshBAMXuhXJs64Rte09mITnppBXY/rYEFI=
github.com/tklauser/numcpus v0.2.2 h1:oyhllyrScuYI6g+h/zUvNXNp1wy7x8qQy3t/piefldA=
github.com/tklauser/numcpus v0.2.2/go.mod h1:x3qojaO3uyYt0i56EW/VUYs7uBvdl2fkfZFu0T9wgjM=
github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
github.com/tv42/httpunix v0.0.0-20191220191345-2ba4b9c3382c/go.mod h1:hzIxponao9Kjc7aWznkXaL4U4TWaDSs8zcsY4Ka08nM=
github.com/tyler-smith/go-bip39 v1.0.1-0.20181017060643-dbb3b84ba2ef h1:wHSqTBrZW24CsNJDfeh9Ex6Pm0Rcpc7qrgKBiL44vF4=
@ -1236,6 +1244,8 @@ golang.org/x/sys v0.0.0-20210218145245-beda7e5e158e h1:f5mksnk+hgXHnImpZoWj64ja9
golang.org/x/sys v0.0.0-20210218145245-beda7e5e158e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210218155724-8ebf48af031b h1:lAZ0/chPUDWwjqosYR0X4M490zQhMsiJ4K3DbA7o+3g=
golang.org/x/sys v0.0.0-20210218155724-8ebf48af031b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210316164454-77fc1eacc6aa h1:ZYxPR6aca/uhfRJyaOAtflSHjJYiktO7QnJC5ut7iY4=
golang.org/x/sys v0.0.0-20210316164454-77fc1eacc6aa/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=

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@ -41,7 +41,7 @@ import (
"github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum/go-ethereum/trie"
"github.com/vulcanize/ipfs-ethdb"
ipfsethdb "github.com/vulcanize/ipfs-ethdb"
"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs"
"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
shared2 "github.com/vulcanize/ipld-eth-indexer/pkg/shared"
@ -509,6 +509,7 @@ func (b *Backend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types.Log
if err := rlp.DecodeBytes(rctBytes, &rct); err != nil {
return nil, err
}
logs[i] = rct.Logs
}
return logs, nil
@ -766,7 +767,7 @@ func (b *Backend) GetStorageByHash(ctx context.Context, address common.Address,
return nil, err
}
_, storageRlp, err := b.IPLDRetriever.RetrieveStorageAtByAddressAndStorageSlotAndBlockHash(address, key, hash)
_, _, storageRlp, err := b.IPLDRetriever.RetrieveStorageAtByAddressAndStorageSlotAndBlockHash(address, key, hash)
return storageRlp, err
}

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@ -29,15 +29,15 @@ import (
const (
RetrieveHeadersByHashesPgStr = `SELECT cid, data
FROM eth.header_cids
FROM eth.header_cids
INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
WHERE block_hash = ANY($1::VARCHAR(66)[])`
RetrieveHeadersByBlockNumberPgStr = `SELECT cid, data
FROM eth.header_cids
FROM eth.header_cids
INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
WHERE block_number = $1`
RetrieveHeaderByHashPgStr = `SELECT cid, data
FROM eth.header_cids
FROM eth.header_cids
INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
WHERE block_hash = $1`
RetrieveUnclesByHashesPgStr = `SELECT cid, data
@ -429,25 +429,25 @@ func (r *IPLDRetriever) RetrieveAccountByAddressAndBlockNumber(address common.Ad
}
// RetrieveStorageAtByAddressAndStorageSlotAndBlockHash returns the cid and rlp bytes for the storage value corresponding to the provided address, storage slot, and block hash
func (r *IPLDRetriever) RetrieveStorageAtByAddressAndStorageSlotAndBlockHash(address common.Address, key, hash common.Hash) (string, []byte, error) {
func (r *IPLDRetriever) RetrieveStorageAtByAddressAndStorageSlotAndBlockHash(address common.Address, key, hash common.Hash) (string, []byte, []byte, error) {
storageResult := new(nodeInfo)
stateLeafKey := crypto.Keccak256Hash(address.Bytes())
storageHash := crypto.Keccak256Hash(key.Bytes())
if err := r.db.Get(storageResult, RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockHashPgStr, stateLeafKey.Hex(), storageHash.Hex(), hash.Hex()); err != nil {
return "", nil, err
return "", nil, nil, err
}
if storageResult.Removed {
return "", []byte{}, nil
return "", []byte{}, []byte{}, nil
}
var i []interface{}
if err := rlp.DecodeBytes(storageResult.Data, &i); err != nil {
err = fmt.Errorf("error decoding storage leaf node rlp: %s", err.Error())
return "", nil, err
return "", nil, nil, err
}
if len(i) != 2 {
return "", nil, fmt.Errorf("eth IPLDRetriever expected storage leaf node rlp to decode into two elements")
return "", nil, nil, fmt.Errorf("eth IPLDRetriever expected storage leaf node rlp to decode into two elements")
}
return storageResult.CID, i[1].([]byte), nil
return storageResult.CID, storageResult.Data, i[1].([]byte), nil
}
// RetrieveStorageAtByAddressAndStorageKeyAndBlockNumber returns the cid and rlp bytes for the storage value corresponding to the provided address, storage key, and block number

104
pkg/graphql/client.go Normal file
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@ -0,0 +1,104 @@
package graphql
import (
"context"
"encoding/json"
"fmt"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
gqlclient "github.com/machinebox/graphql"
)
type StorageResponse struct {
Cid string `json:"cid"`
Value common.Hash `json:"value"`
IpldBlock hexutil.Bytes `json:"ipldBlock"`
}
type GetStorageAt struct {
Response StorageResponse `json:"getStorageAt"`
}
type LogResponse struct {
Topics []common.Hash `json:"topics"`
Data hexutil.Bytes `json:"data"`
}
type GetLogs struct {
Responses []LogResponse `json:"getLogs"`
}
type Client struct {
client *gqlclient.Client
}
func NewClient(endpoint string) *Client {
client := gqlclient.NewClient(endpoint)
return &Client{client: client}
}
func (c *Client) GetLogs(ctx context.Context, hash common.Hash, address common.Address) ([]LogResponse, error) {
getLogsQuery := fmt.Sprintf(`
query{
getLogs(blockHash: "%s", contract: "%s") {
data
topics
}
}
`, hash.String(), address.String())
req := gqlclient.NewRequest(getLogsQuery)
req.Header.Set("Cache-Control", "no-cache")
var respData map[string]interface{}
err := c.client.Run(ctx, req, &respData)
if err != nil {
return nil, err
}
jsonStr, err := json.Marshal(respData)
if err != nil {
return nil, err
}
var logs GetLogs
err = json.Unmarshal(jsonStr, &logs)
if err != nil {
return nil, err
}
return logs.Responses, nil
}
func (c *Client) GetStorageAt(ctx context.Context, hash common.Hash, address common.Address, slot string) (*StorageResponse, error) {
getLogsQuery := fmt.Sprintf(`
query{
getStorageAt(blockHash: "%s", contract: "%s",slot: "%s") {
cid
value
ipldBlock
}
}
`, hash.String(), address.String(), common.HexToHash(slot))
req := gqlclient.NewRequest(getLogsQuery)
req.Header.Set("Cache-Control", "no-cache")
var respData map[string]interface{}
err := c.client.Run(ctx, req, &respData)
if err != nil {
return nil, err
}
jsonStr, err := json.Marshal(respData)
if err != nil {
return nil, err
}
var storageAt GetStorageAt
err = json.Unmarshal(jsonStr, &storageAt)
if err != nil {
return nil, err
}
return &storageAt.Response, nil
}

View File

@ -19,6 +19,7 @@ package graphql
import (
"context"
"database/sql"
"errors"
"time"
@ -28,6 +29,7 @@ import (
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/eth/filters"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
"github.com/vulcanize/ipld-eth-server/pkg/eth"
@ -91,6 +93,8 @@ type Log struct {
backend *eth.Backend
transaction *Transaction
log *types.Log
cid string
ipldBlock []byte
}
func (l *Log) Transaction(ctx context.Context) *Transaction {
@ -117,6 +121,14 @@ func (l *Log) Data(ctx context.Context) hexutil.Bytes {
return hexutil.Bytes(l.log.Data)
}
func (l *Log) Cid(ctx context.Context) string {
return l.cid
}
func (l *Log) IpldBlock(ctx context.Context) hexutil.Bytes {
return hexutil.Bytes(l.ipldBlock)
}
// Transaction represents an Ethereum transaction.
// backend and hash are mandatory; all others will be fetched when required.
type Transaction struct {
@ -944,3 +956,84 @@ func (r *Resolver) Logs(ctx context.Context, args struct{ Filter FilterCriteria
filter := filters.NewRangeFilter(filters.Backend(r.backend), begin, end, addresses, topics)
return runFilter(ctx, r.backend, filter)
}
// StorageResult represents a storage slot value. All arguments are mandatory.
type StorageResult struct {
value []byte
cid string
ipldBlock []byte
}
func (s *StorageResult) Value(ctx context.Context) common.Hash {
return common.BytesToHash(s.value)
}
func (s *StorageResult) Cid(ctx context.Context) string {
return s.cid
}
func (s *StorageResult) IpldBlock(ctx context.Context) hexutil.Bytes {
return hexutil.Bytes(s.ipldBlock)
}
func (r *Resolver) GetStorageAt(ctx context.Context, args struct {
BlockHash common.Hash
Contract common.Address
Slot common.Hash
}) (*StorageResult, error) {
cid, ipldBlock, rlpValue, err := r.backend.IPLDRetriever.RetrieveStorageAtByAddressAndStorageSlotAndBlockHash(args.Contract, args.Slot, args.BlockHash)
if err != nil {
if err == sql.ErrNoRows {
ret := StorageResult{value: []byte{}, cid: "", ipldBlock: []byte{}}
return &ret, nil
}
return nil, err
}
var value interface{}
err = rlp.DecodeBytes(rlpValue, &value)
if err != nil {
return nil, err
}
ret := StorageResult{value: value.([]byte), cid: cid, ipldBlock: ipldBlock}
return &ret, nil
}
func (r *Resolver) GetLogs(ctx context.Context, args struct {
BlockHash common.Hash
Contract common.Address
}) (*[]*Log, error) {
ret := make([]*Log, 0, 10)
receiptCIDs, receiptsBytes, err := r.backend.IPLDRetriever.RetrieveReceiptsByBlockHash(args.BlockHash)
if err != nil {
return nil, err
}
receipts := make(types.Receipts, len(receiptsBytes))
for index, receiptBytes := range receiptsBytes {
receiptCID := receiptCIDs[index]
receipt := new(types.Receipt)
if err := rlp.DecodeBytes(receiptBytes, receipt); err != nil {
return nil, err
}
receipts[index] = receipt
for _, log := range receipt.Logs {
if log.Address == args.Contract {
ret = append(ret, &Log{
backend: r.backend,
log: log,
cid: receiptCID,
ipldBlock: receiptBytes,
})
}
}
}
return &ret, nil
}

View File

@ -17,15 +17,213 @@
package graphql_test
import (
"context"
"fmt"
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum/go-ethereum/statediff"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
eth2 "github.com/vulcanize/ipld-eth-indexer/pkg/eth"
"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
"github.com/vulcanize/ipld-eth-indexer/pkg/shared"
"github.com/vulcanize/ipld-eth-server/pkg/eth"
"github.com/vulcanize/ipld-eth-server/pkg/eth/test_helpers"
"github.com/vulcanize/ipld-eth-server/pkg/graphql"
)
var _ = Describe("GraphQL", func() {
It("Builds the schema and creates a new handler", func() {
_, err := graphql.NewHandler(nil)
const (
gqlEndPoint = "127.0.0.1:8083"
)
var (
randomAddr = common.HexToAddress("0x1C3ab14BBaD3D99F4203bd7a11aCB94882050E6f")
randomHash = crypto.Keccak256Hash(randomAddr.Bytes())
blocks []*types.Block
receipts []types.Receipts
chain *core.BlockChain
db *postgres.DB
blockHashes []common.Hash
backend *eth.Backend
graphQLServer *graphql.Service
chainConfig = params.TestChainConfig
mockTD = big.NewInt(1337)
client = graphql.NewClient(fmt.Sprintf("http://%s/graphql", gqlEndPoint))
ctx = context.Background()
blockHash common.Hash
contractAddress common.Address
)
It("test init", func() {
var err error
db, err = shared.SetupDB()
Expect(err).ToNot(HaveOccurred())
transformer := eth2.NewStateDiffTransformer(chainConfig, db)
backend, err = eth.NewEthBackend(db, &eth.Config{
ChainConfig: chainConfig,
VmConfig: vm.Config{},
RPCGasCap: big.NewInt(10000000000),
})
Expect(err).ToNot(HaveOccurred())
// make the test blockchain (and state)
blocks, receipts, chain = test_helpers.MakeChain(5, test_helpers.Genesis, test_helpers.TestChainGen)
params := statediff.Params{
IntermediateStateNodes: true,
IntermediateStorageNodes: true,
}
// iterate over the blocks, generating statediff payloads, and transforming the data into Postgres
builder := statediff.NewBuilder(chain.StateCache())
for i, block := range blocks {
blockHashes = append(blockHashes, block.Hash())
var args statediff.Args
var rcts types.Receipts
if i == 0 {
args = statediff.Args{
OldStateRoot: common.Hash{},
NewStateRoot: block.Root(),
BlockNumber: block.Number(),
BlockHash: block.Hash(),
}
} else {
args = statediff.Args{
OldStateRoot: blocks[i-1].Root(),
NewStateRoot: block.Root(),
BlockNumber: block.Number(),
BlockHash: block.Hash(),
}
rcts = receipts[i-1]
}
var diff statediff.StateObject
diff, err = builder.BuildStateDiffObject(args, params)
Expect(err).ToNot(HaveOccurred())
diffRlp, err := rlp.EncodeToBytes(diff)
Expect(err).ToNot(HaveOccurred())
blockRlp, err := rlp.EncodeToBytes(block)
Expect(err).ToNot(HaveOccurred())
receiptsRlp, err := rlp.EncodeToBytes(rcts)
Expect(err).ToNot(HaveOccurred())
payload := statediff.Payload{
StateObjectRlp: diffRlp,
BlockRlp: blockRlp,
ReceiptsRlp: receiptsRlp,
TotalDifficulty: mockTD,
}
_, err = transformer.Transform(0, payload)
Expect(err).ToNot(HaveOccurred())
}
// Insert some non-canonical data into the database so that we test our ability to discern canonicity
indexAndPublisher := eth2.NewIPLDPublisher(db)
blockHash = test_helpers.MockBlock.Hash()
contractAddress = test_helpers.ContractAddr
err = indexAndPublisher.Publish(test_helpers.MockConvertedPayload)
Expect(err).ToNot(HaveOccurred())
// The non-canonical header has a child
err = indexAndPublisher.Publish(test_helpers.MockConvertedPayloadForChild)
Expect(err).ToNot(HaveOccurred())
err = publishCode(db, test_helpers.ContractCodeHash, test_helpers.ContractCode)
Expect(err).ToNot(HaveOccurred())
graphQLServer, err = graphql.New(backend, gqlEndPoint, nil, []string{"*"}, rpc.HTTPTimeouts{})
Expect(err).ToNot(HaveOccurred())
err = graphQLServer.Start(nil)
Expect(err).ToNot(HaveOccurred())
})
defer It("test teardown", func() {
err := graphQLServer.Stop()
Expect(err).ToNot(HaveOccurred())
eth.TearDownDB(db)
chain.Stop()
})
Describe("eth_getLogs", func() {
It("Retrieves logs that matches the provided blockHash and contract address", func() {
logs, err := client.GetLogs(ctx, blockHash, contractAddress)
Expect(err).ToNot(HaveOccurred())
expectedLogs := []graphql.LogResponse{
{
Topics: test_helpers.MockLog1.Topics,
Data: hexutil.Bytes(test_helpers.MockLog1.Data),
},
}
Expect(logs).To(Equal(expectedLogs))
})
It("Retrieves logs with random hash", func() {
logs, err := client.GetLogs(ctx, randomHash, contractAddress)
Expect(err).ToNot(HaveOccurred())
Expect(len(logs)).To(Equal(0))
})
})
Describe("eth_getStorageAt", func() {
It("Retrieves the storage value at the provided contract address and storage leaf key at the block with the provided hash", func() {
storageRes, err := client.GetStorageAt(ctx, blockHashes[2], contractAddress, test_helpers.IndexOne)
Expect(err).ToNot(HaveOccurred())
Expect(storageRes.Value).To(Equal(common.HexToHash("01")))
storageRes, err = client.GetStorageAt(ctx, blockHashes[3], contractAddress, test_helpers.IndexOne)
Expect(err).ToNot(HaveOccurred())
Expect(storageRes.Value).To(Equal(common.HexToHash("03")))
storageRes, err = client.GetStorageAt(ctx, blockHashes[4], contractAddress, test_helpers.IndexOne)
Expect(err).ToNot(HaveOccurred())
Expect(storageRes.Value).To(Equal(common.HexToHash("09")))
})
It("Retrieves empty data if it tries to access a contract at a blockHash which does not exist", func() {
storageRes, err := client.GetStorageAt(ctx, blockHashes[0], contractAddress, test_helpers.IndexOne)
Expect(err).ToNot(HaveOccurred())
Expect(storageRes.Value).To(Equal(common.Hash{}))
storageRes, err = client.GetStorageAt(ctx, blockHashes[1], contractAddress, test_helpers.IndexOne)
Expect(err).ToNot(HaveOccurred())
Expect(storageRes.Value).To(Equal(common.Hash{}))
})
It("Retrieves empty data if it tries to access a contract slot which does not exist", func() {
storageRes, err := client.GetStorageAt(ctx, blockHashes[3], contractAddress, randomHash.Hex())
Expect(err).ToNot(HaveOccurred())
Expect(storageRes.Value).To(Equal(common.Hash{}))
})
})
})
func publishCode(db *postgres.DB, codeHash common.Hash, code []byte) error {
tx, err := db.Beginx()
if err != nil {
return err
}
mhKey, err := shared.MultihashKeyFromKeccak256(codeHash)
if err != nil {
_ = tx.Rollback()
return err
}
if err := shared.PublishDirect(tx, mhKey, code); err != nil {
_ = tx.Rollback()
return err
}
return tx.Commit()
}

View File

@ -65,7 +65,13 @@ const schema string = `
# Data is unindexed data for this log.
data: Bytes!
# Transaction is the transaction that generated this log entry.
transaction: Transaction!
transaction: Transaction
# CID for the Receipt IPLD block this Log exists in.
cid: String!
# IPLD block data for the Receipt this Log exists in.
ipldBlock: Bytes!
}
# Transaction is an Ethereum transaction.
@ -259,16 +265,36 @@ const schema string = `
topics: [[Bytes32!]!]
}
# Storage trie value with IPLD data.
type StorageResult {
value: Bytes32!
# CID for the storage trie IPLD block.
cid: String!
# Storage trie IPLD block.
ipldBlock: Bytes!
}
type Query {
# Block fetches an Ethereum block by number or by hash. If neither is
# supplied, the most recent known block is returned.
block(number: Long, hash: Bytes32): Block
# Blocks returns all the blocks between two numbers, inclusive. If
# to is not supplied, it defaults to the most recent known block.
blocks(from: Long!, to: Long): [Block!]!
# Transaction returns a transaction specified by its hash.
transaction(hash: Bytes32!): Transaction
# Logs returns log entries matching the provided filter.
logs(filter: FilterCriteria!): [Log!]!
# Get storage slot by block hash and contract address.
getStorageAt(blockHash: Bytes32!, contract: Address!, slot: Bytes32!): StorageResult
# Get contract logs by block hash and contract address.
getLogs(blockHash: Bytes32!, contract: Address!): [Log!]
}
`