130 lines
4.1 KiB
Go
130 lines
4.1 KiB
Go
// Copyright © 2020 Vulcanize, Inc
|
|
//
|
|
// 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 snapshot
|
|
|
|
import (
|
|
"bytes"
|
|
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/multiformats/go-multihash"
|
|
|
|
"github.com/vulcanize/ipfs-blockchain-watcher/pkg/ipfs/ipld"
|
|
"github.com/vulcanize/ipfs-blockchain-watcher/pkg/postgres"
|
|
"github.com/vulcanize/ipfs-blockchain-watcher/pkg/shared"
|
|
)
|
|
|
|
type Publisher struct {
|
|
db *postgres.DB
|
|
}
|
|
|
|
func NewPublisher(db *postgres.DB) *Publisher {
|
|
return &Publisher{
|
|
db: db,
|
|
}
|
|
}
|
|
|
|
func (p *Publisher) PublishHeader(header *types.Header) (int64, error) {
|
|
headerNode, err := ipld.NewEthHeader(header)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
tx, err := p.db.Beginx()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
defer func() {
|
|
if p := recover(); p != nil {
|
|
shared.Rollback(tx)
|
|
panic(p)
|
|
} else if err != nil {
|
|
shared.Rollback(tx)
|
|
} else {
|
|
err = tx.Commit()
|
|
}
|
|
}()
|
|
if err := shared.PublishIPLD(tx, headerNode); err != nil {
|
|
return 0, err
|
|
}
|
|
var headerID int64
|
|
err = tx.QueryRowx(`INSERT INTO eth.header_cids (block_number, block_hash, parent_hash, cid, td, node_id, reward, state_root, tx_root, receipt_root, uncle_root, bloom, timestamp, times_validated)
|
|
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14)
|
|
ON CONFLICT (block_number, block_hash) DO UPDATE SET block_number = header_cids.block_number
|
|
RETURNING id`,
|
|
header.Number.Uint64(), header.Hash().Hex(), header.ParentHash.Hex(), headerNode.Cid(), "0", p.db.NodeID, "0", header.Root.Hex(), header.TxHash.Hex(),
|
|
header.ReceiptHash.Hex(), header.UncleHash.Hex(), header.Bloom.Bytes(), header.Time, 0).Scan(&headerID)
|
|
return headerID, err
|
|
}
|
|
|
|
func (p *Publisher) PublishStateNode(node Node, headerID int64) (int64, error) {
|
|
var stateID int64
|
|
var stateKey string
|
|
if !bytes.Equal(node.Key.Bytes(), nullHash.Bytes()) {
|
|
stateKey = node.Key.Hex()
|
|
}
|
|
tx, err := p.db.Beginx()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
defer func() {
|
|
if p := recover(); p != nil {
|
|
shared.Rollback(tx)
|
|
panic(p)
|
|
} else if err != nil {
|
|
shared.Rollback(tx)
|
|
} else {
|
|
err = tx.Commit()
|
|
}
|
|
}()
|
|
stateCIDStr, err := shared.PublishRaw(tx, ipld.MEthStateTrie, multihash.KECCAK_256, node.Value)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
err = tx.QueryRowx(`INSERT INTO eth.state_cids (header_id, state_leaf_key, cid, state_path, node_type, diff) VALUES ($1, $2, $3, $4, $5, $6)
|
|
ON CONFLICT (header_id, state_path, diff) DO UPDATE SET (state_leaf_key, cid, node_type) = ($2, $3, $5, $6)
|
|
RETURNING id`,
|
|
headerID, stateKey, stateCIDStr, node.Path, node.NodeType, false).Scan(&stateID)
|
|
return stateID, err
|
|
}
|
|
|
|
func (p *Publisher) PublishStorageNode(node Node, stateID int64) error {
|
|
var storageKey string
|
|
if !bytes.Equal(node.Key.Bytes(), nullHash.Bytes()) {
|
|
storageKey = node.Key.Hex()
|
|
}
|
|
tx, err := p.db.Beginx()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer func() {
|
|
if p := recover(); p != nil {
|
|
shared.Rollback(tx)
|
|
panic(p)
|
|
} else if err != nil {
|
|
shared.Rollback(tx)
|
|
} else {
|
|
err = tx.Commit()
|
|
}
|
|
}()
|
|
storageCIDStr, err := shared.PublishRaw(tx, ipld.MEthStorageTrie, multihash.KECCAK_256, node.Value)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
_, err = tx.Exec(`INSERT INTO eth.storage_cids (state_id, storage_leaf_key, cid, storage_path, node_type, diff) VALUES ($1, $2, $3, $4, $5, $6)
|
|
ON CONFLICT (state_id, storage_path) DO UPDATE SET (storage_leaf_key, cid, node_type, diff) = ($2, $3, $5, $6)`,
|
|
stateID, storageKey, storageCIDStr, node.Path, node.NodeType, false)
|
|
return err
|
|
}
|