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seals.go
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seals.go
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// (c) 2019 Dapper Labs - ALL RIGHTS RESERVED
package mempool
import (
"github.com/onflow/flow-go/model/flow"
)
// Seals represents a concurrency-safe memory pool for block seals.
type Seals interface {
// Has checks whether the block seal with the given hash is currently in
// the memory pool.
Has(sealID flow.Identifier) bool
// Add will add the given block seal to the memory pool. It will return
// false if it was already in the mempool.
Add(seal *flow.Seal) bool
// Rem will remove the given block seal from the memory pool; it will
// will return true if the block seal was known and removed.
Rem(sealID flow.Identifier) bool
// ByID retrieve the block seal with the given ID from the memory
// pool. It will return false if it was not found in the mempool.
ByID(sealID flow.Identifier) (*flow.Seal, bool)
// Size will return the current size of the memory pool.
Size() uint
// Limit will return the maximum size of the memory pool
Limit() uint
// All will retrieve all block seals that are currently in the memory pool
// as a slice.
All() []*flow.Seal
// Hash will return a fingerprint has representing the contents of the
// entire memory pool.
Hash() flow.Identifier
}