// addFileContract adds a file contract to the database. An error is returned
// if the file contract is already in the database.
func addFileContract(tx *bolt.Tx, id types.FileContractID, fc types.FileContract) {
// Add the file contract to the database.
fcBucket := tx.Bucket(FileContracts)
// Sanity check - should not be adding a zero-payout file contract.
if build.DEBUG && fc.Payout.IsZero() {
panic("adding zero-payout file contract")
}
// Sanity check - should not be adding a file contract already in the db.
if build.DEBUG && fcBucket.Get(id[:]) != nil {
panic("repeat file contract")
}
err := fcBucket.Put(id[:], encoding.Marshal(fc))
if build.DEBUG && err != nil {
panic(err)
}
// Add an entry for when the file contract expires.
expirationBucketID := append(prefixFCEX, encoding.Marshal(fc.WindowEnd)...)
expirationBucket, err := tx.CreateBucketIfNotExists(expirationBucketID)
if build.DEBUG && err != nil {
panic(err)
}
err = expirationBucket.Put(id[:], []byte{})
if build.DEBUG && err != nil {
panic(err)
}
}
// updateDbMetadata will set the contents of the metadata bucket to be
// what is stored inside the metadata argument
func (db *BoltDatabase) updateMetadata(tx *bolt.Tx) error {
bucket, err := tx.CreateBucketIfNotExists([]byte("Metadata"))
if err != nil {
return err
}
err = bucket.Put([]byte("Header"), []byte(db.Header))
if err != nil {
return err
}
err = bucket.Put([]byte("Version"), []byte(db.Version))
if err != nil {
return err
}
return nil
}