122 lines
3.9 KiB
Go
122 lines
3.9 KiB
Go
// VulcanizeDB
|
|
// Copyright © 2019 Vulcanize
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package eth
|
|
|
|
import (
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/sirupsen/logrus"
|
|
"github.com/vulcanize/vulcanizedb/pkg/postgres"
|
|
"github.com/vulcanize/vulcanizedb/pkg/super_node"
|
|
"github.com/vulcanize/vulcanizedb/pkg/watcher/shared"
|
|
)
|
|
|
|
var (
|
|
vacuumThreshold int64 = 5000 // dont know how to decided what this should be set to
|
|
)
|
|
|
|
// Repository is the underlying struct for satisfying the shared.Repository interface for eth
|
|
type Repository struct {
|
|
db *postgres.DB
|
|
triggerFunctions [][2]string
|
|
deleteCalls int64
|
|
}
|
|
|
|
// NewRepository returns a new eth.Repository that satisfies the shared.Repository interface
|
|
func NewRepository(db *postgres.DB, triggerFunctions [][2]string) shared.Repository {
|
|
return &Repository{
|
|
db: db,
|
|
triggerFunctions: triggerFunctions,
|
|
deleteCalls: 0,
|
|
}
|
|
}
|
|
|
|
// LoadTriggers is used to initialize Postgres trigger function
|
|
// this needs to be called after the wasm functions these triggers invoke have been instantiated
|
|
func (r *Repository) LoadTriggers() error {
|
|
panic("implement me")
|
|
}
|
|
|
|
// QueueData puts super node payload data into the db queue
|
|
func (r *Repository) QueueData(payload super_node.SubscriptionPayload) error {
|
|
pgStr := `INSERT INTO eth.queued_data (data, height) VALUES ($1, $2)
|
|
ON CONFLICT (height) DO UPDATE SET (data) VALUES ($1)`
|
|
_, err := r.db.Exec(pgStr, payload.Data, payload.Height)
|
|
return err
|
|
}
|
|
|
|
// GetQueueData grabs a chunk super node payload data from the queue table so that it can
|
|
// be forwarded to the ready table
|
|
// this is used to make sure we enter data into the ready table in sequential order
|
|
// even if we receive data out-of-order
|
|
// it returns the new index
|
|
// delete the data it retrieves so as to clear the queue
|
|
func (r *Repository) GetQueueData(height int64) (super_node.SubscriptionPayload, int64, error) {
|
|
r.deleteCalls++
|
|
pgStr := `DELETE FROM eth.queued_data
|
|
WHERE height = $1
|
|
RETURNING *`
|
|
var res shared.QueuedData
|
|
if err := r.db.Get(&res, pgStr, height); err != nil {
|
|
return super_node.SubscriptionPayload{}, height, err
|
|
}
|
|
payload := super_node.SubscriptionPayload{
|
|
Data: res.Data,
|
|
Height: res.Height,
|
|
Flag: super_node.EmptyFlag,
|
|
}
|
|
height++
|
|
// Periodically clean up space in the queue table
|
|
if r.deleteCalls >= vacuumThreshold {
|
|
_, err := r.db.Exec(`VACUUM ANALYZE eth.queued_data`)
|
|
if err != nil {
|
|
logrus.Error(err)
|
|
}
|
|
r.deleteCalls = 0
|
|
}
|
|
return payload, height, nil
|
|
}
|
|
|
|
// ReadyData puts super node payload data in the tables ready for processing by trigger functions
|
|
func (r *Repository) ReadyData(payload super_node.SubscriptionPayload) error {
|
|
panic("implement me")
|
|
}
|
|
|
|
func (r *Repository) readyHeader(header *types.Header) error {
|
|
panic("implement me")
|
|
}
|
|
|
|
func (r *Repository) readyUncle(uncle *types.Header) error {
|
|
panic("implement me")
|
|
}
|
|
|
|
func (r *Repository) readyTxs(transactions types.Transactions) error {
|
|
panic("implement me")
|
|
}
|
|
|
|
func (r *Repository) readyRcts(receipts types.Receipts) error {
|
|
panic("implement me")
|
|
}
|
|
|
|
func (r *Repository) readyState(stateNodes map[common.Address][]byte) error {
|
|
panic("implement me")
|
|
}
|
|
|
|
func (r *Repository) readyStorage(storageNodes map[common.Address]map[common.Address][]byte) error {
|
|
panic("implement me")
|
|
}
|