37 lines
863 B
Go
37 lines
863 B
Go
package mailserver
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import (
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whisper "github.com/status-im/whisper/whisperv6"
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"time"
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)
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// DB is an interface to abstract interactions with the db so that the mailserver
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// is agnostic to the underlaying technology used
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type DB interface {
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Close() error
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// SaveEnvelope stores an envelope
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SaveEnvelope(*whisper.Envelope) error
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// GetEnvelope returns an rlp encoded envelope from the datastore
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GetEnvelope(*DBKey) ([]byte, error)
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// Prune removes envelopes older than time
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Prune(time.Time, int) (int, error)
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// BuildIterator returns an iterator over envelopes
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BuildIterator(query CursorQuery) (Iterator, error)
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}
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type Iterator interface {
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Next() bool
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DBKey() (*DBKey, error)
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Release()
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Error() error
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GetEnvelope(bloom []byte) ([]byte, error)
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}
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type CursorQuery struct {
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start []byte
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end []byte
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cursor []byte
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limit uint32
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bloom []byte
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}
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