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