42 lines
1.3 KiB
Go
42 lines
1.3 KiB
Go
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package validator_test
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import (
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"github.com/ipfs/go-cid"
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blockstore "github.com/ipfs/go-ipfs-blockstore"
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dshelp "github.com/ipfs/go-ipfs-ds-help"
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"github.com/jmoiron/sqlx"
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)
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// PublishRaw derives a cid from raw bytes and provided codec and multihash type, and writes it to the db tx
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func PublishRaw(tx *sqlx.Tx, codec, mh uint64, raw []byte, blockNumber uint64) (string, error) {
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c, err := RawdataToCid(codec, raw, mh)
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if err != nil {
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return "", err
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}
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dbKey := dshelp.MultihashToDsKey(c.Hash())
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prefixedKey := blockstore.BlockPrefix.String() + dbKey.String()
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_, err = tx.Exec(`INSERT INTO public.blocks (key, data, block_number) VALUES ($1, $2, $3) ON CONFLICT DO NOTHING`, prefixedKey, raw, blockNumber)
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return c.String(), err
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}
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// RawdataToCid takes the desired codec, multihash type, and a slice of bytes
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// and returns the proper cid of the object.
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func RawdataToCid(codec uint64, rawdata []byte, multiHash uint64) (cid.Cid, error) {
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c, err := cid.Prefix{
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Codec: codec,
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Version: 1,
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MhType: multiHash,
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MhLength: -1,
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}.Sum(rawdata)
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if err != nil {
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return cid.Cid{}, err
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}
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return c, nil
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}
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// ResetTestDB drops all rows in the test db public.blocks table
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func ResetTestDB(db *sqlx.DB) error {
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_, err := db.Exec("DELETE FROM public.blocks")
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return err
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}
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