110 lines
4.1 KiB
Go
110 lines
4.1 KiB
Go
// VulcanizeDB
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// Copyright © 2021 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package postgres
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import (
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"fmt"
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"github.com/cerc-io/plugeth-statediff/indexer/database/sql"
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"github.com/cerc-io/plugeth-statediff/indexer/shared/schema"
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)
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var _ sql.Database = &DB{}
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const (
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createNodeStm = `INSERT INTO nodes (genesis_block, network_id, node_id, client_name, chain_id) VALUES ($1, $2, $3, $4, $5)
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ON CONFLICT (node_id) DO NOTHING`
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)
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// NewPostgresDB returns a postgres.DB using the provided driver
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func NewPostgresDB(driver sql.Driver, upsert bool) *DB {
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return &DB{upsert, driver}
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}
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// DB implements sql.Database using a configured driver and Postgres statement syntax
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type DB struct {
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upsert bool
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sql.Driver
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}
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// MaxHeaderStm satisfies the sql.Statements interface
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func (db *DB) MaxHeaderStm() string {
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return fmt.Sprintf("SELECT block_number, block_hash, parent_hash, cid, td, node_ids, reward, state_root, tx_root, receipt_root, uncles_hash, bloom, timestamp, coinbase FROM %s ORDER BY block_number DESC LIMIT 1", schema.TableHeader.Name)
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}
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// ExistsHeaderStm satisfies the sql.Statements interface
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func (db *DB) ExistsHeaderStm() string {
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return fmt.Sprintf("SELECT EXISTS(SELECT 1 from %s WHERE block_number = $1::BIGINT AND block_hash = $2::TEXT LIMIT 1)", schema.TableHeader.Name)
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}
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// DetectGapsStm satisfies the sql.Statements interface
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func (db *DB) DetectGapsStm() string {
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return fmt.Sprintf("SELECT block_number + 1 AS first_missing, (next_bn - 1) AS last_missing FROM (SELECT block_number, LEAD(block_number) OVER (ORDER BY block_number) AS next_bn FROM %s WHERE block_number >= $1::BIGINT AND block_number <= $2::BIGINT) h WHERE next_bn > block_number + 1", schema.TableHeader.Name)
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}
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// InsertHeaderStm satisfies the sql.Statements interface
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// Stm == Statement
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func (db *DB) InsertHeaderStm() string {
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return schema.TableHeader.ToInsertStatement(db.upsert)
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}
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// SetCanonicalHeaderStm satisfies the sql.Statements interface
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// Stm == Statement
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func (db *DB) SetCanonicalHeaderStm() string {
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return fmt.Sprintf("UPDATE %s SET canonical = false WHERE block_number = $1::BIGINT AND block_hash <> $2::TEXT AND canonical = true", schema.TableHeader.Name)
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}
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// InsertUncleStm satisfies the sql.Statements interface
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func (db *DB) InsertUncleStm() string {
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return schema.TableUncle.ToInsertStatement(db.upsert)
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}
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// InsertTxStm satisfies the sql.Statements interface
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func (db *DB) InsertTxStm() string {
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return schema.TableTransaction.ToInsertStatement(db.upsert)
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}
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// InsertRctStm satisfies the sql.Statements interface
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func (db *DB) InsertRctStm() string {
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return schema.TableReceipt.ToInsertStatement(db.upsert)
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}
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// InsertLogStm satisfies the sql.Statements interface
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func (db *DB) InsertLogStm() string {
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return schema.TableLog.ToInsertStatement(db.upsert)
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}
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// InsertStateStm satisfies the sql.Statements interface
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func (db *DB) InsertStateStm() string {
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return schema.TableStateNode.ToInsertStatement(db.upsert)
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}
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// InsertStorageStm satisfies the sql.Statements interface
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func (db *DB) InsertStorageStm() string {
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return schema.TableStorageNode.ToInsertStatement(db.upsert)
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}
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// InsertIPLDStm satisfies the sql.Statements interface
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func (db *DB) InsertIPLDStm() string {
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return schema.TableIPLDBlock.ToInsertStatement(db.upsert)
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}
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// InsertIPLDsStm satisfies the sql.Statements interface
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func (db *DB) InsertIPLDsStm() string {
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return `INSERT INTO ipld.blocks (block_number, key, data) VALUES (unnest($1::BIGINT[]), unnest($2::TEXT[]), unnest($3::BYTEA[])) ON CONFLICT DO NOTHING`
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}
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