forked from cerc-io/ipld-eth-server
80 lines
2.5 KiB
Go
80 lines
2.5 KiB
Go
package shared
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import (
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"database/sql"
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"encoding/json"
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"errors"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/vulcanize/vulcanizedb/pkg/core"
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"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
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)
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var ErrHeaderMismatch = errors.New("log's block hash does not match associated header's block hash")
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func ValidateHeaderConsistency(headerID int64, rawLog []byte, db *postgres.DB) error {
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var log types.Log
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err := json.Unmarshal(rawLog, &log)
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if err != nil {
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return err
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}
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var hash string
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err = db.Get(&hash, `SELECT hash FROM public.headers WHERE id = $1`, headerID)
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if err != nil {
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return err
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}
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if hash != log.BlockHash.String() {
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err = deleteHeader(headerID, db)
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if err != nil {
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return err
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}
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return ErrHeaderMismatch
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}
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return nil
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}
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func deleteHeader(headerID int64, db *postgres.DB) error {
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_, err := db.Exec(`DELETE FROM public.headers WHERE id = $1`, headerID)
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return err
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}
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func MarkHeaderChecked(headerID int64, db *postgres.DB, checkedHeadersColumn string) error {
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_, err := db.Exec(`INSERT INTO public.checked_headers (header_id, `+checkedHeadersColumn+`)
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VALUES ($1, $2)
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ON CONFLICT (header_id) DO
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UPDATE SET `+checkedHeadersColumn+` = $2`, headerID, true)
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return err
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}
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func MarkHeaderCheckedInTransaction(headerID int64, tx *sql.Tx, checkedHeadersColumn string) error {
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_, err := tx.Exec(`INSERT INTO public.checked_headers (header_id, `+checkedHeadersColumn+`)
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VALUES ($1, $2)
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ON CONFLICT (header_id) DO
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UPDATE SET `+checkedHeadersColumn+` = $2`, headerID, true)
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return err
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}
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func MissingHeaders(startingBlockNumber, endingBlockNumber int64, db *postgres.DB, checkedHeadersColumn string) ([]core.Header, error) {
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var result []core.Header
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var query string
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var err error
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if endingBlockNumber == -1 {
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query = `SELECT headers.id, headers.block_number FROM headers
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LEFT JOIN checked_headers on headers.id = header_id
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WHERE (header_id ISNULL OR ` + checkedHeadersColumn + ` IS FALSE)
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AND headers.block_number >= $1
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AND headers.eth_node_fingerprint = $2`
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err = db.Select(&result, query, startingBlockNumber, db.Node.ID)
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} else {
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query = `SELECT headers.id, headers.block_number FROM headers
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LEFT JOIN checked_headers on headers.id = header_id
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WHERE (header_id ISNULL OR ` + checkedHeadersColumn + ` IS FALSE)
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AND headers.block_number >= $1
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AND headers.block_number <= $2
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AND headers.eth_node_fingerprint = $3`
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err = db.Select(&result, query, startingBlockNumber, endingBlockNumber, db.Node.ID)
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}
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return result, err
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}
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