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package provider
import (
"context"
"github.com/tendermint/tendermint/types"
)
// Provider provides information for the light client to sync (verification
// happens in the client).
type Provider interface {
// LightBlock returns the LightBlock that corresponds to the given
// height.
//
// 0 - the latest.
// height must be >= 0.
//
// If the provider fails to fetch the LightBlock due to the IO or other
// issues, an error will be returned.
// If there's no LightBlock for the given height, ErrLightBlockNotFound
// error is returned.
LightBlock(ctx context.Context, height int64) (*types.LightBlock, error)
// ReportEvidence reports an evidence of misbehavior.
ReportEvidence(context.Context, types.Evidence) error
}