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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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16
test-cli/create-commit-tx.c
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@@ -52,17 +52,21 @@ int main(int argc, char *argv[])
o2 = pkt_from_file(argv[2], PKT__PKT_OPEN)->open;
a = pkt_from_file(argv[3], PKT__PKT_OPEN_ANCHOR)->open_anchor;
if (!key_from_base58(argv[4], strlen(argv[4]), &testnet, &privkey, &pubkey1))
if (!key_from_base58(secp256k1_context_create(SECP256K1_CONTEXT_VERIFY
| SECP256K1_CONTEXT_SIGN),
argv[4], strlen(argv[4]), &testnet, &privkey, &pubkey1))
errx(1, "Invalid private key '%s'", argv[4]);
if (!testnet)
errx(1, "Private key '%s' not on testnet!", argv[4]);
/* Get pubkeys */
if (!proto_to_pubkey(o1->commit_key, &pubkey2))
if (!proto_to_pubkey(secp256k1_context_create(0),
o1->commit_key, &pubkey2))
errx(1, "Invalid o1 commit pubkey");
if (!pubkey_eq(&pubkey1, &pubkey2))
errx(1, "o1 pubkey != this privkey");
if (!proto_to_pubkey(o2->commit_key, &pubkey2))
if (!proto_to_pubkey(secp256k1_context_create(0),
o2->commit_key, &pubkey2))
errx(1, "Invalid o2 commit pubkey");
sig2.stype = SIGHASH_ALL;
@@ -84,11 +88,13 @@ int main(int argc, char *argv[])
/* We generate our signature. */
sig1.stype = SIGHASH_ALL;
sign_tx_input(commit, 0, redeemscript, tal_count(redeemscript),
sign_tx_input(secp256k1_context_create(SECP256K1_CONTEXT_SIGN),
commit, 0, redeemscript, tal_count(redeemscript),
&privkey, &pubkey1, &sig1.sig);
/* Check it works with theirs... */
if (!check_2of2_sig(commit, 0, redeemscript, tal_count(redeemscript),
if (!check_2of2_sig(secp256k1_context_create(SECP256K1_CONTEXT_VERIFY),
commit, 0, redeemscript, tal_count(redeemscript),
&pubkey1, &pubkey2, &sig1, &sig2))
errx(1, "Signature failed");