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database.go
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database.go
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package ocr
import (
"context"
"database/sql"
"encoding/json"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/lib/pq"
"github.com/pkg/errors"
"go.uber.org/multierr"
"github.com/smartcontractkit/libocr/gethwrappers/offchainaggregator"
ocrtypes "github.com/smartcontractkit/libocr/offchainreporting/types"
"github.com/smartcontractkit/sqlx"
"github.com/smartcontractkit/chainlink/v2/core/logger"
"github.com/smartcontractkit/chainlink/v2/core/services/pg"
"github.com/smartcontractkit/chainlink/v2/core/utils"
)
type db struct {
q pg.Q
oracleSpecID int32
lggr logger.SugaredLogger
}
var (
_ ocrtypes.Database = &db{}
_ OCRContractTrackerDB = &db{}
)
// NewDB returns a new DB scoped to this oracleSpecID
func NewDB(sqlxDB *sqlx.DB, oracleSpecID int32, lggr logger.Logger, cfg pg.QConfig) *db {
namedLogger := lggr.Named("OCR.DB")
return &db{
q: pg.NewQ(sqlxDB, namedLogger, cfg),
oracleSpecID: oracleSpecID,
lggr: logger.Sugared(lggr),
}
}
func (d *db) ReadState(ctx context.Context, cd ocrtypes.ConfigDigest) (ps *ocrtypes.PersistentState, err error) {
stmt := `
SELECT epoch, highest_sent_epoch, highest_received_epoch
FROM ocr_persistent_states
WHERE ocr_oracle_spec_id = $1 AND config_digest = $2
LIMIT 1`
ps = new(ocrtypes.PersistentState)
var tmp []int64
var highestSentEpochTmp int64
err = d.q.QueryRowxContext(ctx, stmt, d.oracleSpecID, cd).Scan(&ps.Epoch, &highestSentEpochTmp, pq.Array(&tmp))
if errors.Is(err, sql.ErrNoRows) {
return nil, nil
}
if err != nil {
return nil, errors.Wrap(err, "ReadState failed")
}
ps.HighestSentEpoch = uint32(highestSentEpochTmp)
for _, v := range tmp {
ps.HighestReceivedEpoch = append(ps.HighestReceivedEpoch, uint32(v))
}
return ps, nil
}
func (d *db) WriteState(ctx context.Context, cd ocrtypes.ConfigDigest, state ocrtypes.PersistentState) error {
var highestReceivedEpoch []int64
for _, v := range state.HighestReceivedEpoch {
highestReceivedEpoch = append(highestReceivedEpoch, int64(v))
}
stmt := `
INSERT INTO ocr_persistent_states (ocr_oracle_spec_id, config_digest, epoch, highest_sent_epoch, highest_received_epoch, created_at, updated_at)
VALUES ($1, $2, $3, $4, $5, NOW(), NOW())
ON CONFLICT (ocr_oracle_spec_id, config_digest) DO UPDATE SET
(epoch, highest_sent_epoch, highest_received_epoch, updated_at)
=
(
EXCLUDED.epoch,
EXCLUDED.highest_sent_epoch,
EXCLUDED.highest_received_epoch,
NOW()
)
`
_, err := d.q.WithOpts(pg.WithLongQueryTimeout()).ExecContext(
ctx, stmt, d.oracleSpecID, cd, state.Epoch, state.HighestSentEpoch, pq.Array(&highestReceivedEpoch),
)
return errors.Wrap(err, "WriteState failed")
}
func (d *db) ReadConfig(ctx context.Context) (c *ocrtypes.ContractConfig, err error) {
stmt := `
SELECT config_digest, signers, transmitters, threshold, encoded_config_version, encoded
FROM ocr_contract_configs
WHERE ocr_oracle_spec_id = $1
LIMIT 1`
c = new(ocrtypes.ContractConfig)
var signers [][]byte
var transmitters [][]byte
err = d.q.QueryRowContext(ctx, stmt, d.oracleSpecID).Scan(
&c.ConfigDigest,
(*pq.ByteaArray)(&signers),
(*pq.ByteaArray)(&transmitters),
&c.Threshold,
&c.EncodedConfigVersion,
&c.Encoded,
)
if errors.Is(err, sql.ErrNoRows) {
return nil, nil
}
if err != nil {
return nil, errors.Wrap(err, "ReadConfig failed")
}
for _, s := range signers {
c.Signers = append(c.Signers, common.BytesToAddress(s))
}
for _, t := range transmitters {
c.Transmitters = append(c.Transmitters, common.BytesToAddress(t))
}
return
}
func (d *db) WriteConfig(ctx context.Context, c ocrtypes.ContractConfig) error {
var signers [][]byte
var transmitters [][]byte
for _, s := range c.Signers {
signers = append(signers, s.Bytes())
}
for _, t := range c.Transmitters {
transmitters = append(transmitters, t.Bytes())
}
stmt := `
INSERT INTO ocr_contract_configs (ocr_oracle_spec_id, config_digest, signers, transmitters, threshold, encoded_config_version, encoded, created_at, updated_at)
VALUES ($1, $2, $3, $4, $5, $6, $7, NOW(), NOW())
ON CONFLICT (ocr_oracle_spec_id) DO UPDATE SET
config_digest = EXCLUDED.config_digest,
signers = EXCLUDED.signers,
transmitters = EXCLUDED.transmitters,
threshold = EXCLUDED.threshold,
encoded_config_version = EXCLUDED.encoded_config_version,
encoded = EXCLUDED.encoded,
updated_at = NOW()
`
_, err := d.q.ExecContext(ctx, stmt, d.oracleSpecID, c.ConfigDigest, pq.ByteaArray(signers), pq.ByteaArray(transmitters), c.Threshold, int(c.EncodedConfigVersion), c.Encoded)
return errors.Wrap(err, "WriteConfig failed")
}
func (d *db) StorePendingTransmission(ctx context.Context, k ocrtypes.ReportTimestamp, p ocrtypes.PendingTransmission) error {
median := utils.NewBig(p.Median)
var rs [][]byte
var ss [][]byte
// Note: p.Rs and p.Ss are of type [][32]byte.
// See last example of https://github.com/golang/go/wiki/CommonMistakes#using-reference-to-loop-iterator-variable
for _, v := range p.Rs {
v := v
rs = append(rs, v[:])
}
for _, v := range p.Ss {
v := v
ss = append(ss, v[:])
}
stmt := `
INSERT INTO ocr_pending_transmissions (
ocr_oracle_spec_id,
config_digest,
epoch,
round,
time,
median,
serialized_report,
rs,
ss,
vs,
created_at,
updated_at
)
VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,NOW(),NOW())
ON CONFLICT (ocr_oracle_spec_id, config_digest, epoch, round) DO UPDATE SET
time = EXCLUDED.time,
median = EXCLUDED.median,
serialized_report = EXCLUDED.serialized_report,
rs = EXCLUDED.rs,
ss = EXCLUDED.ss,
vs = EXCLUDED.vs,
updated_at = NOW()
`
_, err := d.q.ExecContext(ctx, stmt, d.oracleSpecID, k.ConfigDigest, k.Epoch, k.Round, p.Time, median, p.SerializedReport, pq.ByteaArray(rs), pq.ByteaArray(ss), p.Vs[:])
return errors.Wrap(err, "StorePendingTransmission failed")
}
func (d *db) PendingTransmissionsWithConfigDigest(ctx context.Context, cd ocrtypes.ConfigDigest) (map[ocrtypes.ReportTimestamp]ocrtypes.PendingTransmission, error) {
rows, err := d.q.QueryContext(ctx, `
SELECT
config_digest,
epoch,
round,
time,
median,
serialized_report,
rs,
ss,
vs
FROM ocr_pending_transmissions
WHERE ocr_oracle_spec_id = $1 AND config_digest = $2
`, d.oracleSpecID, cd)
if err != nil {
return nil, errors.Wrap(err, "PendingTransmissionsWithConfigDigest failed to query rows")
}
defer d.lggr.ErrorIfFn(rows.Close, "Error closing ocr_pending_transmissions rows")
m := make(map[ocrtypes.ReportTimestamp]ocrtypes.PendingTransmission)
for rows.Next() {
k := ocrtypes.ReportTimestamp{}
p := ocrtypes.PendingTransmission{}
var median utils.Big
var rs [][]byte
var ss [][]byte
var vs []byte
if err := rows.Scan(&k.ConfigDigest, &k.Epoch, &k.Round, &p.Time, &median, &p.SerializedReport, (*pq.ByteaArray)(&rs), (*pq.ByteaArray)(&ss), &vs); err != nil {
return nil, errors.Wrap(err, "PendingTransmissionsWithConfigDigest failed to scan row")
}
p.Median = median.ToInt()
for i, v := range rs {
var r [32]byte
if n := copy(r[:], v); n != 32 {
return nil, errors.Errorf("expected 32 bytes for rs value at index %v, got %v bytes", i, n)
}
p.Rs = append(p.Rs, r)
}
for i, v := range ss {
var s [32]byte
if n := copy(s[:], v); n != 32 {
return nil, errors.Errorf("expected 32 bytes for ss value at index %v, got %v bytes", i, n)
}
p.Ss = append(p.Ss, s)
}
if n := copy(p.Vs[:], vs); n != 32 {
return nil, errors.Errorf("expected 32 bytes for vs, got %v bytes", n)
}
m[k] = p
}
if err := rows.Err(); err != nil {
return m, err
}
return m, nil
}
func (d *db) DeletePendingTransmission(ctx context.Context, k ocrtypes.ReportTimestamp) (err error) {
_, err = d.q.WithOpts(pg.WithLongQueryTimeout()).ExecContext(ctx, `
DELETE FROM ocr_pending_transmissions
WHERE ocr_oracle_spec_id = $1 AND config_digest = $2 AND epoch = $3 AND round = $4
`, d.oracleSpecID, k.ConfigDigest, k.Epoch, k.Round)
err = errors.Wrap(err, "DeletePendingTransmission failed")
return
}
func (d *db) DeletePendingTransmissionsOlderThan(ctx context.Context, t time.Time) (err error) {
_, err = d.q.WithOpts(pg.WithLongQueryTimeout()).ExecContext(ctx, `
DELETE FROM ocr_pending_transmissions
WHERE ocr_oracle_spec_id = $1 AND time < $2
`, d.oracleSpecID, t)
err = errors.Wrap(err, "DeletePendingTransmissionsOlderThan failed")
return
}
func (d *db) SaveLatestRoundRequested(tx pg.Queryer, rr offchainaggregator.OffchainAggregatorRoundRequested) error {
rawLog, err := json.Marshal(rr.Raw)
if err != nil {
return errors.Wrap(err, "could not marshal log as JSON")
}
_, err = tx.Exec(`
INSERT INTO ocr_latest_round_requested (ocr_oracle_spec_id, requester, config_digest, epoch, round, raw)
VALUES ($1,$2,$3,$4,$5,$6) ON CONFLICT (ocr_oracle_spec_id) DO UPDATE SET
requester = EXCLUDED.requester,
config_digest = EXCLUDED.config_digest,
epoch = EXCLUDED.epoch,
round = EXCLUDED.round,
raw = EXCLUDED.raw
`, d.oracleSpecID, rr.Requester, rr.ConfigDigest[:], rr.Epoch, rr.Round, rawLog)
return errors.Wrap(err, "could not save latest round requested")
}
func (d *db) LoadLatestRoundRequested() (rr offchainaggregator.OffchainAggregatorRoundRequested, err error) {
rows, err := d.q.Query(`
SELECT requester, config_digest, epoch, round, raw
FROM ocr_latest_round_requested
WHERE ocr_oracle_spec_id = $1
LIMIT 1
`, d.oracleSpecID)
if err != nil {
return rr, errors.Wrap(err, "LoadLatestRoundRequested failed to query rows")
}
for rows.Next() {
var configDigest []byte
var rawLog []byte
var err2 error
err2 = rows.Scan(&rr.Requester, &configDigest, &rr.Epoch, &rr.Round, &rawLog)
err = multierr.Combine(err2, errors.Wrap(err, "LoadLatestRoundRequested failed to scan row"))
rr.ConfigDigest, err2 = ocrtypes.BytesToConfigDigest(configDigest)
err = multierr.Combine(err2, errors.Wrap(err, "LoadLatestRoundRequested failed to decode config digest"))
err2 = json.Unmarshal(rawLog, &rr.Raw)
err = multierr.Combine(err2, errors.Wrap(err, "LoadLatestRoundRequested failed to unmarshal raw log"))
}
if err = rows.Err(); err != nil {
return
}
err = multierr.Combine(err, rows.Close())
return
}