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psbt: populate last commitment transaction's input info at db

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when re-populating a channel's data from the database, since we don't
store the psbt data (with input scripts + amounts), we need to
re-populate it.

the right solution is to patch the psbt into the database; for now we
'monkey-patch' it in.
This commit is contained in:
niftynei
2020-05-21 16:32:53 -05:00
committed by Christian Decker
parent 7969f61ab3
commit 894a46e8e3
1 changed files with 15 additions and 0 deletions
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15
wallet/wallet.c
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@@ -1,6 +1,7 @@
#include "invoices.h"
#include "wallet.h"
#include <bitcoin/psbt.h>
#include <bitcoin/script.h>
#include <ccan/array_size/array_size.h>
#include <ccan/mem/mem.h>
@@ -1075,6 +1076,20 @@ static struct channel *wallet_stmt2channel(struct wallet *w, struct db_stmt *stm
db_column_int(stmt, 44),
db_column_arr(tmpctx, stmt, 45, u8),
db_column_int(stmt, 46));
/* as a final step, we go ahead and populate the utxo
* for the last_tx with the funding amount */
/* FIXME: input index for funding will not always be zero! */
if (chan->last_tx) {
const u8 * funding_wscript =
bitcoin_redeem_2of2(tmpctx,
&chan->local_funding_pubkey,
&chan->channel_info.remote_fundingkey);
psbt_input_set_prev_utxo_wscript(chan->last_tx->psbt,
0, funding_wscript,
chan->funding);
}
return chan;
}