aljaz/lightning
1
0
Fork 0
mirror of https://github.com/aljazceru/lightning.git synced 2026-01-06 15:44:21 +01:00
Code Issues Packages Projects Releases Wiki Activity

bitcoin/tx: add helper to write blob of data.

Browse Source 
We do this a lot.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2016-04-11 16:44:53 +09:30
parent 58b14292ad
commit ee5f0e3ea6
1 changed files with 11 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
bitcoin/tx.c
View File

@@ -55,13 +55,20 @@ static void add_le64(u64 v,
add(&l, sizeof(l), addp);
}
static void add_varint_blob(const void *blob, varint_t len,
void (*add)(const void *, size_t, void *),
void *addp)
{
add_varint(len, add, addp);
add(blob, len, addp);
}
static void add_tx_input(const struct bitcoin_tx_input *input,
void (*add)(const void *, size_t, void *), void *addp)
{
add(&input->txid, sizeof(input->txid), addp);
add_le32(input->index, add, addp);
add_varint(input->script_length, add, addp);
add(input->script, input->script_length, addp);
add_varint_blob(input->script, input->script_length, add, addp);
add_le32(input->sequence_number, add, addp);
}
@@ -69,8 +76,7 @@ static void add_tx_output(const struct bitcoin_tx_output *output,
void (*add)(const void *, size_t, void *), void *addp)
{
add_le64(output->amount, add, addp);
add_varint(output->script_length, add, addp);
add(output->script, output->script_length, addp);
add_varint_blob(output->script, output->script_length, add, addp);
}
/* BIP 141:
@@ -79,8 +85,7 @@ static void add_tx_output(const struct bitcoin_tx_output *output,
static void add_witness(const u8 *witness,
void (*add)(const void *, size_t, void *), void *addp)
{
add_varint(tal_count(witness), add, addp);
add(witness, tal_count(witness), addp);
add_varint_blob(witness, tal_count(witness), add, addp);
}
/* BIP144: