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64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
#ifndef LIGHTNING_BITCOIN_SCRIPT_H
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#define LIGHTNING_BITCOIN_SCRIPT_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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#include "signature.h"
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struct bitcoin_address;
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struct pubkey;
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struct sha256;
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/* A bitcoin signature includes one byte for the type. */
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struct bitcoin_signature {
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struct signature sig;
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enum sighash_type stype;
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};
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/* tal_count() gives the length of the script. */
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u8 *bitcoin_redeem_2of2(const tal_t *ctx,
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const struct pubkey *key1,
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const struct pubkey *key2);
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/* tal_count() gives the length of the script. */
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u8 *bitcoin_redeem_single(const tal_t *ctx, const struct pubkey *key);
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/* One of:
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* mysig and theirsig, OR
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* mysig and relative locktime passed, OR
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* theirsig and hash preimage. */
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u8 *bitcoin_redeem_revocable(const tal_t *ctx,
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const struct pubkey *mykey,
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u32 locktime,
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const struct pubkey *theirkey,
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const struct sha256 *revocation_hash);
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/* Create an output script using p2sh for this redeem script. */
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u8 *scriptpubkey_p2sh(const tal_t *ctx, const u8 *redeemscript);
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/* Create an input script to accept pay to pubkey */
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u8 *scriptsig_pay_to_pubkeyhash(const tal_t *ctx,
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const struct pubkey *key,
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const struct bitcoin_signature *sig);
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/* Create an input script to accept pay to pubkey */
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u8 *scriptsig_p2sh_2of2(const tal_t *ctx,
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const struct bitcoin_signature *sig1,
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const struct bitcoin_signature *sig2,
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const struct pubkey *key1,
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const struct pubkey *key2);
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/* Create an input script to solve by revokehash */
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u8 *scriptsig_p2sh_revoke(const tal_t *ctx,
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const struct sha256 *preimage,
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const struct bitcoin_signature *sig,
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const u8 *revocable_redeem,
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size_t redeem_len);
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/* Is this a normal pay to pubkey hash? */
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bool is_pay_to_pubkey_hash(const u8 *script, size_t script_len);
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/* Is this a pay to script hash? */
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bool is_p2sh(const u8 *script, size_t script_len);
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#endif /* LIGHTNING_BITCOIN_SCRIPT_H */
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