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159fc7d1a2
Instead of open coding in connectd/onion_message, we move it to common with a nice API. This lets us process the BOLT test vectors. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
#ifndef LIGHTNING_COMMON_ONION_MESSAGE_PARSE_H
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#define LIGHTNING_COMMON_ONION_MESSAGE_PARSE_H
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#include "config.h"
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#include <bitcoin/privkey.h>
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#include <common/amount.h>
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struct tlv_onionmsg_tlv;
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struct node_id;
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struct pubkey;
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/**
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* onion_message_parse: core routine to check onion_message
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* @ctx: context to allocate @next_onion_msg or @final_om/@path_id off
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* @onion_message_packet: Sphinx-encrypted onion
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* @blinding: Blinding we were given for @onion_message_packet
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* @peer: node_id of peer (for status_peer_debug msgs)
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* @me: my pubkey
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* @next_onion_msg (out): set if we should forward, otherwise NULL.
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* @next_node_id (out): set to node id to fwd to, iff *@next_onion_msg.
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* @final_om (out): set if we're the final hop, otherwise NULL.
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* @final_alias (out): our alias (if *@final_om), or our own ID
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* @final_path_id (out): secret enclosed, if any (iff *@final_om).
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*
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* Returns false if it wasn't valid.
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*/
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bool onion_message_parse(const tal_t *ctx,
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const u8 *onion_message_packet,
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const struct pubkey *blinding,
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const struct node_id *peer,
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const struct pubkey *me,
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u8 **next_onion_msg,
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struct pubkey *next_node_id,
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struct tlv_onionmsg_tlv **final_om,
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struct pubkey *final_alias,
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struct secret **final_path_id);
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#endif /* LIGHTNING_COMMON_ONION_MESSAGE_PARSE_H */
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