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chain

package

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Versions in this module

v1

v1.7.43

Sep 7, 2026

v1.7.42

Sep 6, 2026

v1.7.41

Sep 6, 2026

v1.7.40

Sep 4, 2026

v1.7.39

Sep 1, 2026

Changes in this version

+ var ErrNotOnTip = errors.New("chain: block does not extend the accepted tip")

+ var ErrNotOpen = errors.New("chain: store has not opened")

type Block

+ Parent func() ids.ID

v1.7.38

Aug 30, 2026

v1.7.36

Aug 28, 2026

v1.7.35

Aug 28, 2026

Changes in this version

+ var ErrFull = errors.New("chain: pool is full")

+ var ErrHeld = errors.New("chain: claimed by a queued entry")

+ var ErrNoBlock = errors.New("chain: no such block")

+ type Block interface

+ Bytes func() []byte

+ Height func() uint64

+ ID func() ids.ID

+ Publish func()

+ Write func(database.Database) error

+ type Factory struct

+ func (Factory[T]) New(log.Logger) (interface{}, error)

+ type Fee struct

+ func Closed() Fee

+ func Floor(networkID uint32) Fee

+ func (f Fee) Admit(paid uint64) error

+ func (f Fee) Policy() nodefee.Policy

+ type Pool struct

+ func NewPool[T any, K comparable](max int, claim func(T) K) *Pool[T, K]

+ func (p *Pool[T, K]) Add(entry T) error

+ func (p *Pool[T, K]) Drop(entries []T)

+ func (p *Pool[T, K]) Len() int

+ func (p *Pool[T, K]) Take(n int) []T

+ func (p *Pool[T, K]) Wait(ctx context.Context) (vmcore.Message, error)

+ type Store struct

+ func New[B Block](db database.Database, reload func() error) *Store[B]

+ func (s *Store[B]) Accept(b B) error

+ func (s *Store[B]) Accepted(id ids.ID) bool

+ func (s *Store[B]) Base() database.Database

+ func (s *Store[B]) Block(id ids.ID, parse func([]byte) (B, error)) (B, error)

+ func (s *Store[B]) Close() error

+ func (s *Store[B]) Drop(id ids.ID)

+ func (s *Store[B]) IDAtHeight(height uint64) (ids.ID, error)

+ func (s *Store[B]) Open(genesis B, parse func([]byte) (B, error)) (B, bool, error)

+ func (s *Store[B]) Prefer(id ids.ID)

+ func (s *Store[B]) Propose(build func(parent B) (B, error)) (B, error)

+ func (s *Store[B]) Seed(write func(database.Database) error) error

+ func (s *Store[B]) Tip() (ids.ID, uint64)

+ func (s *Store[B]) Track(b B)

+ func (s *Store[B]) View() database.Database