lukechilds
/
lightning
mirror of https://github.com/lukechilds/lightning.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

anchor: change is not an arbitrary output, but a pubkey we p2sh to. 

Gets rid of the last pubkey user; they're generally deprecated.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
ppa-0.6.1
Rusty Russell 10 years ago
parent
29d0cdc3cd
commit
d30c470c7d
7 changed files with 175 additions and 154 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 20
      anchor.c
  2. 174
      lightning.pb-c.c
  3. 78
      lightning.pb-c.h
  4. 14
      lightning.proto
  5. 27
      open-channel.c
  6. 13
      pubkey.c
  7. 3
      pubkey.h

20
anchor.c
View File

@ -66,15 +66,27 @@ struct bitcoin_tx *anchor_tx_create(const tal_t *ctx,
n_out = 1; n_out = 1;
if (o1->anchor->change) { if (o1->anchor->change) {
struct bitcoin_tx_output *out = &tx->output[n_out++]; struct bitcoin_tx_output *out = &tx->output[n_out++];
struct pubkey key;
if (!proto_to_pubkey(o1->anchor->change->pubkey, &key))
return tal_free(tx);
out->amount = o1->anchor->change->amount; out->amount = o1->anchor->change->amount;
out->script_length = o1->anchor->change->script.len; out->script = scriptpubkey_p2sh(tx,
out->script = o1->anchor->change->script.data; bitcoin_redeem_single(tx, &key));
out->script_length = tal_count(out->script);
} }
if (o2->anchor->change) { if (o2->anchor->change) {
struct bitcoin_tx_output *out = &tx->output[n_out++]; struct bitcoin_tx_output *out = &tx->output[n_out++];
struct pubkey key;
if (!proto_to_pubkey(o2->anchor->change->pubkey, &key))
return tal_free(tx);
out->amount = o2->anchor->change->amount; out->amount = o2->anchor->change->amount;
out->script_length = o2->anchor->change->script.len; out->script = scriptpubkey_p2sh(tx,
out->script = o2->anchor->change->script.data; bitcoin_redeem_single(tx, &key));
out->script_length = tal_count(out->script);
} }
assert(n_out == tx->output_count); assert(n_out == tx->output_count);

174
lightning.pb-c.c
View File

@ -136,90 +136,90 @@ void bitcoin_input__free_unpacked
assert(message->base.descriptor == &bitcoin_input__descriptor); assert(message->base.descriptor == &bitcoin_input__descriptor);
protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator);
} }
void bitcoin_output__init void bitcoin_pubkey__init
(BitcoinOutput *message) (BitcoinPubkey *message)
{ {
static BitcoinOutput init_value = BITCOIN_OUTPUT__INIT; static BitcoinPubkey init_value = BITCOIN_PUBKEY__INIT;
*message = init_value; *message = init_value;
} }
size_t bitcoin_output__get_packed_size size_t bitcoin_pubkey__get_packed_size
(const BitcoinOutput *message) (const BitcoinPubkey *message)
{ {
assert(message->base.descriptor == &bitcoin_output__descriptor); assert(message->base.descriptor == &bitcoin_pubkey__descriptor);
return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message));
} }
size_t bitcoin_output__pack size_t bitcoin_pubkey__pack
(const BitcoinOutput *message, (const BitcoinPubkey *message,
uint8_t *out) uint8_t *out)
{ {
assert(message->base.descriptor == &bitcoin_output__descriptor); assert(message->base.descriptor == &bitcoin_pubkey__descriptor);
return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); return protobuf_c_message_pack ((const ProtobufCMessage*)message, out);
} }
size_t bitcoin_output__pack_to_buffer size_t bitcoin_pubkey__pack_to_buffer
(const BitcoinOutput *message, (const BitcoinPubkey *message,
ProtobufCBuffer *buffer) ProtobufCBuffer *buffer)
{ {
assert(message->base.descriptor == &bitcoin_output__descriptor); assert(message->base.descriptor == &bitcoin_pubkey__descriptor);
return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer);
} }
BitcoinOutput * BitcoinPubkey *
bitcoin_output__unpack bitcoin_pubkey__unpack
(ProtobufCAllocator *allocator, (ProtobufCAllocator *allocator,
size_t len, size_t len,
const uint8_t *data) const uint8_t *data)
{ {
return (BitcoinOutput *) return (BitcoinPubkey *)
protobuf_c_message_unpack (&bitcoin_output__descriptor, protobuf_c_message_unpack (&bitcoin_pubkey__descriptor,
allocator, len, data); allocator, len, data);
} }
void bitcoin_output__free_unpacked void bitcoin_pubkey__free_unpacked
(BitcoinOutput *message, (BitcoinPubkey *message,
ProtobufCAllocator *allocator) ProtobufCAllocator *allocator)
{ {
assert(message->base.descriptor == &bitcoin_output__descriptor); assert(message->base.descriptor == &bitcoin_pubkey__descriptor);
protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator);
} }
void bitcoin_pubkey__init void change__init
(BitcoinPubkey *message) (Change *message)
{ {
static BitcoinPubkey init_value = BITCOIN_PUBKEY__INIT; static Change init_value = CHANGE__INIT;
*message = init_value; *message = init_value;
} }
size_t bitcoin_pubkey__get_packed_size size_t change__get_packed_size
(const BitcoinPubkey *message) (const Change *message)
{ {
assert(message->base.descriptor == &bitcoin_pubkey__descriptor); assert(message->base.descriptor == &change__descriptor);
return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message)); return protobuf_c_message_get_packed_size ((const ProtobufCMessage*)(message));
} }
size_t bitcoin_pubkey__pack size_t change__pack
(const BitcoinPubkey *message, (const Change *message,
uint8_t *out) uint8_t *out)
{ {
assert(message->base.descriptor == &bitcoin_pubkey__descriptor); assert(message->base.descriptor == &change__descriptor);
return protobuf_c_message_pack ((const ProtobufCMessage*)message, out); return protobuf_c_message_pack ((const ProtobufCMessage*)message, out);
} }
size_t bitcoin_pubkey__pack_to_buffer size_t change__pack_to_buffer
(const BitcoinPubkey *message, (const Change *message,
ProtobufCBuffer *buffer) ProtobufCBuffer *buffer)
{ {
assert(message->base.descriptor == &bitcoin_pubkey__descriptor); assert(message->base.descriptor == &change__descriptor);
return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer); return protobuf_c_message_pack_to_buffer ((const ProtobufCMessage*)message, buffer);
} }
BitcoinPubkey * Change *
bitcoin_pubkey__unpack change__unpack
(ProtobufCAllocator *allocator, (ProtobufCAllocator *allocator,
size_t len, size_t len,
const uint8_t *data) const uint8_t *data)
{ {
return (BitcoinPubkey *) return (Change *)
protobuf_c_message_unpack (&bitcoin_pubkey__descriptor, protobuf_c_message_unpack (&change__descriptor,
allocator, len, data); allocator, len, data);
} }
void bitcoin_pubkey__free_unpacked void change__free_unpacked
(BitcoinPubkey *message, (Change *message,
ProtobufCAllocator *allocator) ProtobufCAllocator *allocator)
{ {
assert(message->base.descriptor == &bitcoin_pubkey__descriptor); assert(message->base.descriptor == &change__descriptor);
protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator); protobuf_c_message_free_unpacked ((ProtobufCMessage*)message, allocator);
} }
void anchor__init void anchor__init
@ -1279,93 +1279,93 @@ const ProtobufCMessageDescriptor bitcoin_input__descriptor =
(ProtobufCMessageInit) bitcoin_input__init, (ProtobufCMessageInit) bitcoin_input__init,
NULL,NULL,NULL /* reserved[123] */ NULL,NULL,NULL /* reserved[123] */
}; };
static const ProtobufCFieldDescriptor bitcoin_output__field_descriptors[2] = static const ProtobufCFieldDescriptor bitcoin_pubkey__field_descriptors[1] =
{ {
{ {
"amount", "key",
1, 1,
PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_LABEL_REQUIRED,
PROTOBUF_C_TYPE_UINT64,
0, /* quantifier_offset */
offsetof(BitcoinOutput, amount),
NULL,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
{
"script",
2,
PROTOBUF_C_LABEL_REQUIRED,
PROTOBUF_C_TYPE_BYTES, PROTOBUF_C_TYPE_BYTES,
0, /* quantifier_offset */ 0, /* quantifier_offset */
offsetof(BitcoinOutput, script), offsetof(BitcoinPubkey, key),
NULL, NULL,
NULL, NULL,
0, /* flags */ 0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */ 0,NULL,NULL /* reserved1,reserved2, etc */
}, },
}; };
static const unsigned bitcoin_output__field_indices_by_name[] = { static const unsigned bitcoin_pubkey__field_indices_by_name[] = {
0, /* field[0] = amount */ 0, /* field[0] = key */
1, /* field[1] = script */
}; };
static const ProtobufCIntRange bitcoin_output__number_ranges[1 + 1] = static const ProtobufCIntRange bitcoin_pubkey__number_ranges[1 + 1] =
{ {
{ 1, 0 }, { 1, 0 },
{ 0, 2 } { 0, 1 }
}; };
const ProtobufCMessageDescriptor bitcoin_output__descriptor = const ProtobufCMessageDescriptor bitcoin_pubkey__descriptor =
{ {
PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
"bitcoin_output", "bitcoin_pubkey",
"BitcoinOutput", "BitcoinPubkey",
"BitcoinOutput", "BitcoinPubkey",
"", "",
sizeof(BitcoinOutput), sizeof(BitcoinPubkey),
2, 1,
bitcoin_output__field_descriptors, bitcoin_pubkey__field_descriptors,
bitcoin_output__field_indices_by_name, bitcoin_pubkey__field_indices_by_name,
1, bitcoin_output__number_ranges, 1, bitcoin_pubkey__number_ranges,
(ProtobufCMessageInit) bitcoin_output__init, (ProtobufCMessageInit) bitcoin_pubkey__init,
NULL,NULL,NULL /* reserved[123] */ NULL,NULL,NULL /* reserved[123] */
}; };
static const ProtobufCFieldDescriptor bitcoin_pubkey__field_descriptors[1] = static const ProtobufCFieldDescriptor change__field_descriptors[2] =
{ {
{ {
"key", "amount",
1, 1,
PROTOBUF_C_LABEL_REQUIRED, PROTOBUF_C_LABEL_REQUIRED,
PROTOBUF_C_TYPE_BYTES, PROTOBUF_C_TYPE_UINT64,
0, /* quantifier_offset */ 0, /* quantifier_offset */
offsetof(BitcoinPubkey, key), offsetof(Change, amount),
NULL, NULL,
NULL, NULL,
0, /* flags */ 0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */ 0,NULL,NULL /* reserved1,reserved2, etc */
}, },
{
"pubkey",
2,
PROTOBUF_C_LABEL_REQUIRED,
PROTOBUF_C_TYPE_MESSAGE,
0, /* quantifier_offset */
offsetof(Change, pubkey),
&bitcoin_pubkey__descriptor,
NULL,
0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
}; };
static const unsigned bitcoin_pubkey__field_indices_by_name[] = { static const unsigned change__field_indices_by_name[] = {
0, /* field[0] = key */ 0, /* field[0] = amount */
1, /* field[1] = pubkey */
}; };
static const ProtobufCIntRange bitcoin_pubkey__number_ranges[1 + 1] = static const ProtobufCIntRange change__number_ranges[1 + 1] =
{ {
{ 1, 0 }, { 1, 0 },
{ 0, 1 } { 0, 2 }
}; };
const ProtobufCMessageDescriptor bitcoin_pubkey__descriptor = const ProtobufCMessageDescriptor change__descriptor =
{ {
PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC, PROTOBUF_C__MESSAGE_DESCRIPTOR_MAGIC,
"bitcoin_pubkey", "change",
"BitcoinPubkey", "Change",
"BitcoinPubkey", "Change",
"", "",
sizeof(BitcoinPubkey), sizeof(Change),
1, 2,
bitcoin_pubkey__field_descriptors, change__field_descriptors,
bitcoin_pubkey__field_indices_by_name, change__field_indices_by_name,
1, bitcoin_pubkey__number_ranges, 1, change__number_ranges,
(ProtobufCMessageInit) bitcoin_pubkey__init, (ProtobufCMessageInit) change__init,
NULL,NULL,NULL /* reserved[123] */ NULL,NULL,NULL /* reserved[123] */
}; };
static const ProtobufCFieldDescriptor anchor__field_descriptors[6] = static const ProtobufCFieldDescriptor anchor__field_descriptors[6] =
@ -1389,7 +1389,7 @@ static const ProtobufCFieldDescriptor anchor__field_descriptors[6] =
PROTOBUF_C_TYPE_MESSAGE, PROTOBUF_C_TYPE_MESSAGE,
0, /* quantifier_offset */ 0, /* quantifier_offset */
offsetof(Anchor, change), offsetof(Anchor, change),
&bitcoin_output__descriptor, &change__descriptor,
NULL, NULL,
0, /* flags */ 0, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */ 0,NULL,NULL /* reserved1,reserved2, etc */

78
lightning.pb-c.h
View File

@ -18,8 +18,8 @@ PROTOBUF_C__BEGIN_DECLS
typedef struct _Sha256Hash Sha256Hash; typedef struct _Sha256Hash Sha256Hash;
typedef struct _Signature Signature; typedef struct _Signature Signature;
typedef struct _BitcoinInput BitcoinInput; typedef struct _BitcoinInput BitcoinInput;
typedef struct _BitcoinOutput BitcoinOutput;
typedef struct _BitcoinPubkey BitcoinPubkey; typedef struct _BitcoinPubkey BitcoinPubkey;
typedef struct _Change Change;
typedef struct _Anchor Anchor; typedef struct _Anchor Anchor;
typedef struct _OpenChannel OpenChannel; typedef struct _OpenChannel OpenChannel;
typedef struct _OpenCommitSig OpenCommitSig; typedef struct _OpenCommitSig OpenCommitSig;
@ -106,20 +106,6 @@ struct _BitcoinInput
, NULL, 0, {0,NULL}, 0 } , NULL, 0, {0,NULL}, 0 }
/*
* A bitcoin output
*/
struct _BitcoinOutput
{
ProtobufCMessage base;
uint64_t amount;
ProtobufCBinaryData script;
};
#define BITCOIN_OUTPUT__INIT \
{ PROTOBUF_C_MESSAGE_INIT (&bitcoin_output__descriptor) \
, 0, {0,NULL} }
/* /*
* Pubkey for commitment transaction input. * Pubkey for commitment transaction input.
*/ */
@ -136,6 +122,20 @@ struct _BitcoinPubkey
, {0,NULL} } , {0,NULL} }
/*
* Change, if we want any.
*/
struct _Change
{
ProtobufCMessage base;
uint64_t amount;
BitcoinPubkey *pubkey;
};
#define CHANGE__INIT \
{ PROTOBUF_C_MESSAGE_INIT (&change__descriptor) \
, 0, NULL }
/* /*
* All about an anchor transaction. * All about an anchor transaction.
*/ */
@ -154,7 +154,7 @@ struct _Anchor
/* /*
* Any change from anchor (in case we don't want to use them all) * Any change from anchor (in case we don't want to use them all)
*/ */
BitcoinOutput *change; Change *change;
/* /*
* How much transaction fee we'll pay in the anchor tx. * How much transaction fee we'll pay in the anchor tx.
*/ */
@ -591,25 +591,6 @@ BitcoinInput *
void bitcoin_input__free_unpacked void bitcoin_input__free_unpacked
(BitcoinInput *message, (BitcoinInput *message,
ProtobufCAllocator *allocator); ProtobufCAllocator *allocator);
/* BitcoinOutput methods */
void bitcoin_output__init
(BitcoinOutput *message);
size_t bitcoin_output__get_packed_size
(const BitcoinOutput *message);
size_t bitcoin_output__pack
(const BitcoinOutput *message,
uint8_t *out);
size_t bitcoin_output__pack_to_buffer
(const BitcoinOutput *message,
ProtobufCBuffer *buffer);
BitcoinOutput *
bitcoin_output__unpack
(ProtobufCAllocator *allocator,
size_t len,
const uint8_t *data);
void bitcoin_output__free_unpacked
(BitcoinOutput *message,
ProtobufCAllocator *allocator);
/* BitcoinPubkey methods */ /* BitcoinPubkey methods */
void bitcoin_pubkey__init void bitcoin_pubkey__init
(BitcoinPubkey *message); (BitcoinPubkey *message);
@ -629,6 +610,25 @@ BitcoinPubkey *
void bitcoin_pubkey__free_unpacked void bitcoin_pubkey__free_unpacked
(BitcoinPubkey *message, (BitcoinPubkey *message,
ProtobufCAllocator *allocator); ProtobufCAllocator *allocator);
/* Change methods */
void change__init
(Change *message);
size_t change__get_packed_size
(const Change *message);
size_t change__pack
(const Change *message,
uint8_t *out);
size_t change__pack_to_buffer
(const Change *message,
ProtobufCBuffer *buffer);
Change *
change__unpack
(ProtobufCAllocator *allocator,
size_t len,
const uint8_t *data);
void change__free_unpacked
(Change *message,
ProtobufCAllocator *allocator);
/* Anchor methods */ /* Anchor methods */
void anchor__init void anchor__init
(Anchor *message); (Anchor *message);
@ -982,12 +982,12 @@ typedef void (*Signature_Closure)
typedef void (*BitcoinInput_Closure) typedef void (*BitcoinInput_Closure)
(const BitcoinInput *message, (const BitcoinInput *message,
void *closure_data); void *closure_data);
typedef void (*BitcoinOutput_Closure)
(const BitcoinOutput *message,
void *closure_data);
typedef void (*BitcoinPubkey_Closure) typedef void (*BitcoinPubkey_Closure)
(const BitcoinPubkey *message, (const BitcoinPubkey *message,
void *closure_data); void *closure_data);
typedef void (*Change_Closure)
(const Change *message,
void *closure_data);
typedef void (*Anchor_Closure) typedef void (*Anchor_Closure)
(const Anchor *message, (const Anchor *message,
void *closure_data); void *closure_data);
@ -1051,8 +1051,8 @@ typedef void (*Pkt_Closure)
extern const ProtobufCMessageDescriptor sha256_hash__descriptor; extern const ProtobufCMessageDescriptor sha256_hash__descriptor;
extern const ProtobufCMessageDescriptor signature__descriptor; extern const ProtobufCMessageDescriptor signature__descriptor;
extern const ProtobufCMessageDescriptor bitcoin_input__descriptor; extern const ProtobufCMessageDescriptor bitcoin_input__descriptor;
extern const ProtobufCMessageDescriptor bitcoin_output__descriptor;
extern const ProtobufCMessageDescriptor bitcoin_pubkey__descriptor; extern const ProtobufCMessageDescriptor bitcoin_pubkey__descriptor;
extern const ProtobufCMessageDescriptor change__descriptor;
extern const ProtobufCMessageDescriptor anchor__descriptor; extern const ProtobufCMessageDescriptor anchor__descriptor;
extern const ProtobufCMessageDescriptor open_channel__descriptor; extern const ProtobufCMessageDescriptor open_channel__descriptor;
extern const ProtobufCMessageDescriptor open_commit_sig__descriptor; extern const ProtobufCMessageDescriptor open_commit_sig__descriptor;

14
lightning.proto
View File

@ -36,18 +36,18 @@ message bitcoin_input {
required uint64 amount = 4; required uint64 amount = 4;
} }
// A bitcoin output
message bitcoin_output {
required uint64 amount = 1;
required bytes script = 2;
}
// Pubkey for commitment transaction input. // Pubkey for commitment transaction input.
message bitcoin_pubkey { message bitcoin_pubkey {
// Either 65 or 33 bytes. // Either 65 or 33 bytes.
required bytes key = 1; required bytes key = 1;
}; };
// Change, if we want any.
message change {
required uint64 amount = 1;
required bitcoin_pubkey pubkey = 2;
}
// All about an anchor transaction. // All about an anchor transaction.
message anchor { message anchor {
// 0 or more unspent inputs we want to use for anchor. // 0 or more unspent inputs we want to use for anchor.
@ -55,7 +55,7 @@ message anchor {
// Pubkey for anchor to pay to for commitment tx (p2sh) // Pubkey for anchor to pay to for commitment tx (p2sh)
required bitcoin_pubkey pubkey = 5; required bitcoin_pubkey pubkey = 5;
// Any change from anchor (in case we don't want to use them all) // Any change from anchor (in case we don't want to use them all)
optional bitcoin_output change = 2; optional change change = 2;
// How much transaction fee we'll pay in the anchor tx. // How much transaction fee we'll pay in the anchor tx.
required uint64 fee = 8; required uint64 fee = 8;
// How much we'll be putting into channel (== sum(inputs) - change - fee) // How much we'll be putting into channel (== sum(inputs) - change - fee)

27
open-channel.c
View File

@ -1,6 +1,6 @@
/* My example: /* My example:
* ./open-channel 00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff 50000000000 mzqiPPbjTdcgM6NpNWJLHFt29tWD69bciE cUBCjrdJu8tfvM7FT8So6aqs6G6bZS1Cax6Rc9rFzYL6nYG4XNEC cTuY5gncxDymqe9dfF7R8QFdAsxMZxdViRMjs8Dj7xJJRsQcmPCt 08ffaf638849198f9c8f04aa75d225a5a104d5e7c540770ca55ad08b9a32d10c/1/100000000000/76a9148d2d939aa2aff2d341cde3e61a89bf9c2c21d12388ac > A-open.pb * ./open-channel 00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff 50000000000 030da36b810c0930e5fe8b74014665873f6901d9f46018a5fda743a93dec7f0e4e cUBCjrdJu8tfvM7FT8So6aqs6G6bZS1Cax6Rc9rFzYL6nYG4XNEC cTuY5gncxDymqe9dfF7R8QFdAsxMZxdViRMjs8Dj7xJJRsQcmPCt 08ffaf638849198f9c8f04aa75d225a5a104d5e7c540770ca55ad08b9a32d10c/1/100000000000/76a9148d2d939aa2aff2d341cde3e61a89bf9c2c21d12388ac > A-open.pb
* ./open-channel 112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00 9795000 mpDyc5kPAJZB7Zz9iW9acq3Jk8yiTJ7HKj cQXhbUnNRsFcdzTQwjbCrud5yVskHTEas7tZPUWoJYNk5htGQrpi cQXhbUnNRsFcdzTQwjbCrud5yVskHTEas7tZPUWoJYNk5htGQrpi 8cb044605f33ca907b966701f49e0bd80b4294696b57f8cf45f22398a1e63a23/0/9800000/76a9143b2aab840afb327a12c8a90fb4ed45b6892eb80988ac > B-open.pb * ./open-channel 112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00 9795000 022e314a8f7a814e0900bf094f704b233dc693349cf55b888b43d902d7be251e95 cQXhbUnNRsFcdzTQwjbCrud5yVskHTEas7tZPUWoJYNk5htGQrpi cQXhbUnNRsFcdzTQwjbCrud5yVskHTEas7tZPUWoJYNk5htGQrpi 8cb044605f33ca907b966701f49e0bd80b4294696b57f8cf45f22398a1e63a23/0/9800000/76a9143b2aab840afb327a12c8a90fb4ed45b6892eb80988ac > B-open.pb
*/ */
#include <ccan/crypto/shachain/shachain.h> #include <ccan/crypto/shachain/shachain.h>
#include <ccan/short_types/short_types.h> #include <ccan/short_types/short_types.h>
@ -102,7 +102,6 @@ static u64 weak_random64(void)
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
struct sha256 seed, revocation_hash; struct sha256 seed, revocation_hash;
struct bitcoin_address changeaddr;
struct pkt *pkt; struct pkt *pkt;
const tal_t *ctx = tal_arr(NULL, char, 0); const tal_t *ctx = tal_arr(NULL, char, 0);
Anchor anchor = ANCHOR__INIT; Anchor anchor = ANCHOR__INIT;
@ -110,7 +109,7 @@ int main(int argc, char *argv[])
unsigned int locktime_seconds; unsigned int locktime_seconds;
bool testnet; bool testnet;
size_t i; size_t i;
struct pubkey commitkey, outkey; struct pubkey commitkey, outkey, changekey;
EC_KEY *commitprivkey, *outprivkey; EC_KEY *commitprivkey, *outprivkey;
err_set_progname(argv[0]); err_set_progname(argv[0]);
@ -125,7 +124,7 @@ int main(int argc, char *argv[])
locktime_seconds = LOCKTIME_MIN + 24 * 60 * 60; locktime_seconds = LOCKTIME_MIN + 24 * 60 * 60;
opt_register_noarg("--help|-h", opt_usage_and_exit, opt_register_noarg("--help|-h", opt_usage_and_exit,
"<seed> <amount> <changeaddr> <commitprivkey> <outpubkey> <txid>/<outnum>/<satoshis>/<script-in-hex>...\n" "<seed> <amount> <changepubkey> <commitprivkey> <outpubkey> <txid>/<outnum>/<satoshis>/<script-in-hex>...\n"
"A test program to output openchannel on stdout.", "A test program to output openchannel on stdout.",
"Print this message."); "Print this message.");
opt_register_arg("--min-anchor-confirms", opt_register_arg("--min-anchor-confirms",
@ -153,10 +152,8 @@ int main(int argc, char *argv[])
if (!anchor.total) if (!anchor.total)
errx(1, "Invalid total: must be > 0"); errx(1, "Invalid total: must be > 0");
if (!bitcoin_from_base58(&testnet, &changeaddr, argv[3], strlen(argv[3]))) if (!pubkey_from_hexstr(argv[3], &changekey))
errx(1, "Invalid bitcoin address '%s'", argv[3]); errx(1, "Invalid bitcoin pubkey '%s'", argv[3]);
if (!testnet)
errx(1, "Bitcoin address '%s' not on testnet!", argv[3]);
/* We don't really need the privkey here, but it's the most /* We don't really need the privkey here, but it's the most
* convenient way to get the pubkey from bitcoind. */ * convenient way to get the pubkey from bitcoind. */
@ -192,15 +189,11 @@ int main(int argc, char *argv[])
/* If there's change, say where to send it. */ /* If there's change, say where to send it. */
if (total_in != anchor.total + anchor.fee) { if (total_in != anchor.total + anchor.fee) {
anchor.change = tal(ctx, BitcoinOutput); anchor.change = tal(ctx, Change);
bitcoin_output__init(anchor.change); change__init(anchor.change);
anchor.change->pubkey = pubkey_to_proto(anchor.change,
&changekey);
anchor.change->amount = total_in - (anchor.total + anchor.fee); anchor.change->amount = total_in - (anchor.total + anchor.fee);
/* FIXME: Use p2sh? */
anchor.change->script.data
= scriptpubkey_pay_to_pubkeyhash(anchor.change,
&changeaddr);
anchor.change->script.len
= tal_count(anchor.change->script.data);
} }
/* Get first revocation hash. */ /* Get first revocation hash. */

13
pubkey.c
View File

@ -1,5 +1,6 @@
#include "pubkey.h" #include "pubkey.h"
#include <openssl/ecdsa.h> #include <openssl/ecdsa.h>
#include <ccan/str/hex/hex.h>
/* Must agree on key validity with bitcoin! Stolen from bitcoin/src/pubkey.h's /* Must agree on key validity with bitcoin! Stolen from bitcoin/src/pubkey.h's
* GetLen: * GetLen:
@ -52,3 +53,15 @@ bool proto_to_pubkey(const BitcoinPubkey *pb, struct pubkey *key)
memcpy(key->key, pb->key.data, pb->key.len); memcpy(key->key, pb->key.data, pb->key.len);
return true; return true;
} }
bool pubkey_from_hexstr(const char *str, struct pubkey *key)
{
size_t slen = strlen(str), dlen;
dlen = hex_data_size(slen);
if (dlen != 33 && dlen != 65)
return false;
if (!hex_decode(str, slen, key->key, dlen))
return false;
return GetLen(key->key[0]) == dlen;
}

3
pubkey.h
View File

@ -15,4 +15,7 @@ bool proto_to_pubkey(const BitcoinPubkey *pb, struct pubkey *key);
/* 33 or 65 bytes? */ /* 33 or 65 bytes? */
size_t pubkey_len(const struct pubkey *key); size_t pubkey_len(const struct pubkey *key);
/* Convert from hex string (scriptPubKey from validateaddress) */
bool pubkey_from_hexstr(const char *str, struct pubkey *key);
#endif /* LIGHTNING_PUBKEY_H */ #endif /* LIGHTNING_PUBKEY_H */

Write Preview
Loading…
Cancel
Save