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bitcoin/tx: (optional) input amount.

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We need this for signing segwitness txs.  Unfortunately, we don't have it
for transactions we received as hex, only ones we created; to make this safe
we use a pointer which is NULL if we don't know, and those will crash if
we try to sign or check their sigs.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2016-04-11 16:43:53 +09:30
parent ed70b13041
commit 58b14292ad
5 changed files with 8 additions and 0 deletions
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commit_tx.c
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@@ -56,6 +56,7 @@ struct bitcoin_tx *create_commit_tx(const tal_t *ctx,
/* Our input spends the anchor tx output. */
tx->input[0].txid = *anchor_txid;
tx->input[0].index = anchor_index;
tx->input[0].amount = tal_dup(tx->input, u64, &anchor_satoshis);
/* First output is a P2SH to a complex redeem script (usu. for me) */
redeemscript = bitcoin_redeem_secret_or_delay(tx, our_final,