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bitcoin: hand in a secp256k1_context to all routines.

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We don't want to re-create them internally, ever.

The test-cli tools are patched to generate them all the time, but
they're not performance critical.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2016-01-22 06:41:47 +10:30
parent cc1b1d7de7
commit 9aa0eac814
26 changed files with 215 additions and 150 deletions
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4
bitcoin/script.c
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@@ -109,11 +109,13 @@ static void add_push_sig(u8 **scriptp, const struct bitcoin_signature *sig)
/* Bitcoin wants DER encoding. */
#ifdef SCRIPTS_USE_DER
u8 der[73];
size_t len = signature_to_der(der, &sig->sig);
secp256k1_context *secpctx = secp256k1_context_create(0);
size_t len = signature_to_der(secpctx, der, &sig->sig);
/* Append sighash type */
der[len++] = sig->stype;
add_push_bytes(scriptp, der, len);
secp256k1_context_destroy(secpctx);
#else /* Alpha uses raw encoding */
u8 with_sighash[sizeof(sig->sig) + 1];
memcpy(with_sighash, &sig->sig, sizeof(sig->sig));