trusted_headers

Documentation

Index

• Variables
• type TrustedHeaderFetcher
  • func NewTrustedHeaderFetcher(neutronChain *relayer.Chain, targetChain *relayer.Chain, logger *zap.Logger) *TrustedHeaderFetcher
  • func (thf *TrustedHeaderFetcher) Fetch(ctx context.Context, height uint64) (header *tmclient.Header, err error)

Variables

var (
	RtyAttNum = uint(5)
	RtyAtt    = retry.Attempts(RtyAttNum)
	RtyDel    = retry.Delay(time.Millisecond * 400)
	RtyErr    = retry.LastErrorOnly(true)
)

retries configuration for fetching light header

Types

type TrustedHeaderFetcher

type TrustedHeaderFetcher struct {
	// contains filtered or unexported fields
}

TrustedHeaderFetcher able to get trusted headers for a given height Trusted headers are needed in Neutron along with proofs to verify that transactions are: - included in the block (inclusion proof) - successfully executed (delivery proof)

func NewTrustedHeaderFetcher

func NewTrustedHeaderFetcher(neutronChain *relayer.Chain, targetChain *relayer.Chain, logger *zap.Logger) *TrustedHeaderFetcher

NewTrustedHeaderFetcher constructs a new TrustedHeaderFetcher

func (*TrustedHeaderFetcher) Fetch

func (thf *TrustedHeaderFetcher) Fetch(ctx context.Context, height uint64) (header *tmclient.Header, err error)

FetchTrustedHeaderForHeight returns the best suitable TrustedHeader for given height Arguments: `height` - remote chain block height X = transaction with such block height