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35 lines
1.1 KiB
35 lines
1.1 KiB
#ifndef LIGHTNING_COMMON_FEATURES_H
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#define LIGHTNING_COMMON_FEATURES_H
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#include "config.h"
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#include <ccan/short_types/short_types.h>
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#include <ccan/tal/tal.h>
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/* Returns true if we're OK with all these offered features. */
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bool features_supported(const u8 *gfeatures, const u8 *lfeatures);
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/* For sending our features: tal_len() returns length. */
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u8 *get_offered_global_features(const tal_t *ctx);
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u8 *get_offered_local_features(const tal_t *ctx);
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/* Is this feature bit requested? (Either compulsory or optional) */
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bool feature_offered(const u8 *features, size_t f);
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#define COMPULSORY_FEATURE(x) (x)
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#define OPTIONAL_FEATURE(x) ((x)+1)
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/* BOLT #9:
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*
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* ## Assigned `localfeatures` flags
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*...
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* | Bits | Name |...
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* | 0/1 | `option_data_loss_protect` |...
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* | 3 | `initial_routing_sync` |...
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* | 4/5 | `option_upfront_shutdown_script` |...
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* | 6/7 | `gossip_queries` |...
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*/
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#define LOCAL_DATA_LOSS_PROTECT 0
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#define LOCAL_INITIAL_ROUTING_SYNC 2
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#define LOCAL_UPFRONT_SHUTDOWN_SCRIPT 4
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#define LOCAL_GOSSIP_QUERIES 6
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#endif /* LIGHTNING_COMMON_FEATURES_H */
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