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Constants ¶
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Variables ¶
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var ( // ErrSignedHeaderNotFound is returned when a provider can't find the // requested header. ErrSignedHeaderNotFound = errors.New("signed header not found") // ErrValidatorSetNotFound is returned when a provider can't find the // requested validator set. ErrValidatorSetNotFound = errors.New("validator set not found") )
Functions ¶
This section is empty.
Types ¶
type Provider ¶
type Provider interface {
// ChainID returns the blockchain ID.
ChainID() string
// SignedHeader returns the SignedHeader that corresponds to the given
// height.
//
// 0 - the latest.
// height must be >= 0.
//
// If the provider fails to fetch the SignedHeader due to the IO or other
// issues, an error will be returned.
// If there's no SignedHeader for the given height, ErrSignedHeaderNotFound
// error is returned.
SignedHeader(height int64) (*types.SignedHeader, error)
// ValidatorSet returns the ValidatorSet that corresponds to height.
//
// 0 - the latest.
// height must be >= 0.
//
// If the provider fails to fetch the ValidatorSet due to the IO or other
// issues, an error will be returned.
// If there's no ValidatorSet for the given height, ErrValidatorSetNotFound
// error is returned.
ValidatorSet(height int64) (*types.ValidatorSet, error)
// ReportEvidence reports an evidence of misbehavior.
ReportEvidence(ev types.Evidence) error
}
Provider provides information for the light client to sync (verification happens in the client).
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