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32 lines
1010 B
32 lines
1010 B
package lite
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import (
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"github.com/tendermint/tendermint/libs/log"
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"github.com/tendermint/tendermint/types"
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)
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// Provider provides information for the lite client to sync validators.
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// Examples: MemProvider, files.Provider, client.Provider, CacheProvider.
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type Provider interface {
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// LatestFullCommit returns the latest commit with minHeight <= height <=
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// maxHeight.
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// If maxHeight is zero, returns the latest where minHeight <= height.
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LatestFullCommit(chainID string, minHeight, maxHeight int64) (FullCommit, error)
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// Get the valset that corresponds to chainID and height and return.
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// Height must be >= 1.
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ValidatorSet(chainID string, height int64) (*types.ValidatorSet, error)
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// Set a logger.
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SetLogger(logger log.Logger)
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}
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// A provider that can also persist new information.
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// Examples: MemProvider, files.Provider, CacheProvider.
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type PersistentProvider interface {
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Provider
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// SaveFullCommit saves a FullCommit (without verification).
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SaveFullCommit(fc FullCommit) error
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}
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