Documentation
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Index ¶
Constants ¶
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Variables ¶
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Functions ¶
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Types ¶
type Chain ¶
type Chain interface {
SubscribeFinalizedHeads() (*FinalizedHeadsSubscription, error)
SubscribeNewHeads() (*NewHeadsSubscription, error)
GetBlockHash(blockNumber uint64) (types.Hash, error)
GetBlockHashLatest() (types.Hash, error)
GetFinalizedHead() (types.Hash, error)
GetBlock(blockHash types.Hash) (*types.SignedBlock, error)
GetBlockLatest() (*types.SignedBlock, error)
GetHeader(blockHash types.Hash) (*types.Header, error)
GetHeaderLatest() (*types.Header, error)
}
type FinalizedHeadsSubscription ¶
type FinalizedHeadsSubscription struct {
// contains filtered or unexported fields
}
FinalizedHeadsSubscription is a subscription established through one of the Client's subscribe methods.
func (*FinalizedHeadsSubscription) Chan ¶
func (s *FinalizedHeadsSubscription) Chan() <-chan types.Header
Chan returns the subscription channel.
The channel is closed when Unsubscribe is called on the subscription.
func (*FinalizedHeadsSubscription) Err ¶
func (s *FinalizedHeadsSubscription) Err() <-chan error
Err returns the subscription error channel. The intended use of Err is to schedule resubscription when the client connection is closed unexpectedly.
The error channel receives a value when the subscription has ended due to an error. The received error is nil if Close has been called on the underlying client and no other error has occurred.
The error channel is closed when Unsubscribe is called on the subscription.
func (*FinalizedHeadsSubscription) Unsubscribe ¶
func (s *FinalizedHeadsSubscription) Unsubscribe()
Unsubscribe unsubscribes the notification and closes the error channel. It can safely be called more than once.
type NewHeadsSubscription ¶
type NewHeadsSubscription struct {
// contains filtered or unexported fields
}
NewHeadsSubscription is a subscription established through one of the Client's subscribe methods.
func (*NewHeadsSubscription) Chan ¶
func (s *NewHeadsSubscription) Chan() <-chan types.Header
Chan returns the subscription channel.
The channel is closed when Unsubscribe is called on the subscription.
func (*NewHeadsSubscription) Err ¶
func (s *NewHeadsSubscription) Err() <-chan error
Err returns the subscription error channel. The intended use of Err is to schedule resubscription when the client connection is closed unexpectedly.
The error channel receives a value when the subscription has ended due to an error. The received error is nil if Close has been called on the underlying client and no other error has occurred.
The error channel is closed when Unsubscribe is called on the subscription.
func (*NewHeadsSubscription) Unsubscribe ¶
func (s *NewHeadsSubscription) Unsubscribe()
Unsubscribe unsubscribes the notification and closes the error channel. It can safely be called more than once.
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