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bitcoind: keep running fee estimate.

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This avoids us having to query it when we create anchor transaction, and
lets us always use dynamic fee information.

The config options for max and min are now percentages, rather than absolute.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2016-08-18 14:23:46 +09:30
parent ab38fd7542
commit 02cb7abd9d
11 changed files with 97 additions and 101 deletions
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8
daemon/packets.c
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@@ -1,5 +1,6 @@
#include "bitcoin/script.h"
#include "bitcoin/tx.h"
#include "chaintopology.h"
#include "close_tx.h"
#include "commit_tx.h"
#include "controlled_time.h"
@@ -275,6 +276,7 @@ Pkt *accept_pkt_open(struct peer *peer, const Pkt *pkt,
{
struct rel_locktime locktime;
const OpenChannel *o = pkt->open;
u64 feerate = get_feerate(peer->dstate);
if (!proto_to_rel_locktime(o->delay, &locktime))
return pkt_err(peer, "Invalid delay");
@@ -284,7 +286,11 @@ Pkt *accept_pkt_open(struct peer *peer, const Pkt *pkt,
return pkt_err(peer, "Delay too great");
if (o->min_depth > peer->dstate->config.anchor_confirms_max)
return pkt_err(peer, "min_depth too great");
if (o->initial_fee_rate < peer->dstate->config.commitment_fee_rate_min)
if (o->initial_fee_rate
< feerate * peer->dstate->config.commitment_fee_min_percent / 100)
return pkt_err(peer, "Commitment fee rate too low");
if (o->initial_fee_rate
> feerate * peer->dstate->config.commitment_fee_max_percent / 100)
return pkt_err(peer, "Commitment fee rate too low");
if (o->anch == OPEN_CHANNEL__ANCHOR_OFFER__WILL_CREATE_ANCHOR)
peer->remote.offer_anchor = CMD_OPEN_WITH_ANCHOR;