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#ifndef LIGHTNING_PKT_H
#define LIGHTNING_PKT_H
/* Simple (non-threadsafe!) wrapper for protobufs.
*
* This could be a simple set of macros, if the protobuf-c people hadn't
* insisted on "prettifing" the names they generate into CamelCase.
*/
#include "lightning.pb-c.h"
#include <ccan/endian/endian.h>
#include <ccan/short_types/short_types.h>
#include <ccan/tal/tal.h>
/* A packet, ready to be de-protobuf'ed. */
struct pkt {
le32 len;
u8 data[];
};
/* Utility helper: dies if there's a problem. */
Pkt *pkt_from_file(const char *filename, Pkt__PktCase expect);
struct sha256;
struct bitcoin_compressed_pubkey;
struct signature;
/**
* openchannel_pkt - create an openchannel message
* @ctx: tal context to allocate off.
* @seed: psuedo-random seed to shuffle inputs.
* @revocation_hash: first hash value generated from seed.
* @script_len, @script: the script which pays to us.
* @commitment_fee: the fee to use for commitment tx.
* @rel_locktime_seconds: relative seconds for commitment locktime.
* @anchor: the anchor transaction details.
*/
struct pkt *openchannel_pkt(const tal_t *ctx,
u64 seed,
const struct sha256 *revocation_hash,
size_t script_len,
const void *script,
u64 commitment_fee,
u32 rel_locktime_seconds,
Anchor *anchor);
/**
* open_anchor_sig_pkt - create an open_anchor_sig message
* @ctx: tal context to allocate off.
* @sigs: the der-encoded signatures (tal_count() gives len).
* @num_sigs: the number of sigs.
*/
struct pkt *open_anchor_sig_pkt(const tal_t *ctx, u8 **sigs, size_t num_sigs);
/**
* leak_anchor_sigs_and_pretend_we_didnt_pkt - leak anchor scriptsigs
* @ctx: tal context to allocate off.
* @s: OpenAnchorSig.
*/
struct pkt *leak_anchor_sigs_and_pretend_we_didnt_pkt(const tal_t *ctx,
OpenAnchorScriptsigs *s);
/**
* open_commit_sig_pkt - create an open_commit_sig message
* @ctx: tal context to allocate off.
* @sig: the signature for the commit transaction input.
*/
struct pkt *open_commit_sig_pkt(const tal_t *ctx, const struct signature *sig);
/* Useful helper for allocating & populating a protobuf Sha256Hash */
Sha256Hash *sha256_to_proto(const tal_t *ctx, const struct sha256 *hash);
void proto_to_sha256(const Sha256Hash *pb, struct sha256 *hash);
#endif /* LIGHTNING_PKT_H */