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coin moves: record the fees and outputs for any wallet withdrawal 

Here we record coin moves that are withdrawals and any chain fees we pay
for those outgoing transactions.
This commit is contained in:
lisa neigut 2020-04-01 20:58:07 -05:00 committed by Rusty Russell
parent dcde37581e
commit c6e0cf9279
1 changed files with 48 additions and 0 deletions
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48
lightningd/channel_control.c
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@ -2,6 +2,7 @@
#include <bitcoin/script.h>
#include <ccan/cast/cast.h>
#include <channeld/gen_channel_wire.h>
#include <common/coin_mvt.h>
#include <common/features.h>
#include <common/gossip_constants.h>
#include <common/json_command.h>
@ -17,6 +18,7 @@
#include <inttypes.h>
#include <lightningd/channel_control.h>
#include <lightningd/closing_control.h>
#include <lightningd/coin_mvts.h>
#include <lightningd/hsm_control.h>
#include <lightningd/jsonrpc.h>
#include <lightningd/lightningd.h>
@ -74,6 +76,51 @@ void notify_feerate_change(struct lightningd *ld)
}
}
static void record_channel_open(struct channel *channel)
{
struct channel_id channel_id;
struct chain_coin_mvt *mvt;
struct amount_msat channel_open_amt;
u8 *ctx = tal(NULL, u8);
/* figure out the 'account name' */
derive_channel_id(&channel_id, &channel->funding_txid,
channel->funding_outnum);
/* FIXME: logic here will change for dual funded channels */
if (channel->opener == LOCAL) {
if (!amount_sat_to_msat(&channel_open_amt, channel->funding))
fatal("Unable to convert funding %s to msat",
type_to_string(tmpctx, struct amount_sat, &channel->funding));
/* if we pushed sats, we should decrement that from the channel balance */
if (amount_msat_greater(channel->push, AMOUNT_MSAT(0))) {
mvt = new_chain_coin_mvt(ctx,
type_to_string(tmpctx, struct channel_id, &channel_id),
&channel->funding_txid,
NULL, 0, NULL,
PUSHED, channel->push,
false, BTC);
notify_chain_mvt(channel->peer->ld, mvt);
}
} else {
/* we're not the funder, we record our 'opening balance' anyway
* (there's a small chance we were pushed some satoshis, otherwise
* it's zero) */
channel_open_amt = channel->our_msat;
}
mvt = new_chain_coin_mvt(ctx,
type_to_string(tmpctx, struct channel_id, &channel_id),
&channel->funding_txid,
&channel->funding_txid,
channel->funding_outnum,
NULL, DEPOSIT, channel_open_amt,
true, BTC);
notify_chain_mvt(channel->peer->ld, mvt);
tal_free(ctx);
}
static void lockin_complete(struct channel *channel)
{
/* We set this once we're locked in. */
@ -93,6 +140,7 @@ static void lockin_complete(struct channel *channel)
/* Fees might have changed (and we use IMMEDIATE once we're funded),
* so update now. */
try_update_feerates(channel->peer->ld, channel);
record_channel_open(channel);
}
/* We were informed by channeld that it announced the channel and sent