github.com/soomindae/tendermint@v0.0.5-0.20210528140126-84a0c70c8162/light/provider/provider.go (about)

     1  package provider
     2  
     3  import (
     4  	"context"
     5  
     6  	"github.com/soomindae/tendermint/types"
     7  )
     8  
     9  // Provider provides information for the light client to sync (verification
    10  // happens in the client).
    11  type Provider interface {
    12  	// ChainID returns the blockchain ID.
    13  	ChainID() string
    14  
    15  	// LightBlock returns the LightBlock that corresponds to the given
    16  	// height.
    17  	//
    18  	// 0 - the latest.
    19  	// height must be >= 0.
    20  	//
    21  	// If the provider fails to fetch the LightBlock due to the IO or other
    22  	// issues, an error will be returned.
    23  	// If there's no LightBlock for the given height, ErrLightBlockNotFound
    24  	// error is returned.
    25  	LightBlock(ctx context.Context, height int64) (*types.LightBlock, error)
    26  
    27  	// ReportEvidence reports an evidence of misbehavior.
    28  	ReportEvidence(context.Context, types.Evidence) error
    29  }