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channeld: use wirestring for failure strings.

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I think this code predated wirestring.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2020-01-22 16:28:19 +10:30
parent a0a2c257be
commit ddce5573c7
4 changed files with 13 additions and 16 deletions
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3
channeld/channel_wire.csv
View File

@@ -88,8 +88,7 @@ msgtype,channel_offer_htlc_reply,1104
msgdata,channel_offer_htlc_reply,id,u64,
# Zero failure code means success.,
msgdata,channel_offer_htlc_reply,failure_code,u16,
msgdata,channel_offer_htlc_reply,failurestrlen,u16,
msgdata,channel_offer_htlc_reply,failurestr,u8,failurestrlen
msgdata,channel_offer_htlc_reply,failurestr,wirestring,
# Main daemon found out the preimage for an HTLC
#include <bitcoin/preimage.h>
1 #include <common/cryptomsg.h>
88 msgdata,channel_offer_htlc_reply,failurestr,u8,failurestrlen # Main daemon found out the preimage for an HTLC
89 # Main daemon found out the preimage for an HTLC #include <bitcoin/preimage.h>
90 #include <bitcoin/preimage.h> msgtype,channel_fulfill_htlc,1005
91 msgtype,channel_fulfill_htlc,1005 msgdata,channel_fulfill_htlc,fulfilled_htlc,fulfilled_htlc,
msgdata,channel_fulfill_htlc,fulfilled_htlc,fulfilled_htlc,
92 # Main daemon says HTLC failed
93 msgtype,channel_fail_htlc,1006
94 msgdata,channel_fail_htlc,failed_htlc,failed_htlc,

17
channeld/channeld.c
View File

@@ -2608,8 +2608,7 @@ static void handle_offer_htlc(struct peer *peer, const u8 *inmsg)
u8 onion_routing_packet[TOTAL_PACKET_SIZE];
enum channel_add_err e;
enum onion_type failcode;
/* Subtle: must be tal object since we marshal using tal_bytelen() */
const char *failmsg;
const char *failstr;
struct amount_sat htlc_fee;
if (!peer->funding_locked[LOCAL] || !peer->funding_locked[REMOTE])
@@ -2641,13 +2640,13 @@ static void handle_offer_htlc(struct peer *peer, const u8 *inmsg)
start_commit_timer(peer);
/* Tell the master. */
msg = towire_channel_offer_htlc_reply(NULL, peer->htlc_id,
0, NULL);
0, "");
wire_sync_write(MASTER_FD, take(msg));
peer->htlc_id++;
return;
case CHANNEL_ERR_INVALID_EXPIRY:
failcode = WIRE_INCORRECT_CLTV_EXPIRY;
failmsg = tal_fmt(inmsg, "Invalid cltv_expiry %u", cltv_expiry);
failstr = tal_fmt(inmsg, "Invalid cltv_expiry %u", cltv_expiry);
goto failed;
case CHANNEL_ERR_DUPLICATE:
case CHANNEL_ERR_DUPLICATE_ID_DIFFERENT:
@@ -2656,30 +2655,30 @@ static void handle_offer_htlc(struct peer *peer, const u8 *inmsg)
case CHANNEL_ERR_MAX_HTLC_VALUE_EXCEEDED:
failcode = WIRE_REQUIRED_CHANNEL_FEATURE_MISSING;
failmsg = tal_fmt(inmsg, "Mini mode: maximum value exceeded");
failstr = "Mini mode: maximum value exceeded";
goto failed;
/* FIXME: Fuzz the boundaries a bit to avoid probing? */
case CHANNEL_ERR_CHANNEL_CAPACITY_EXCEEDED:
failcode = WIRE_TEMPORARY_CHANNEL_FAILURE;
failmsg = tal_fmt(inmsg, "Capacity exceeded - HTLC fee: %s", fmt_amount_sat(inmsg, &htlc_fee));
failstr = tal_fmt(inmsg, "Capacity exceeded - HTLC fee: %s", fmt_amount_sat(inmsg, &htlc_fee));
goto failed;
case CHANNEL_ERR_HTLC_BELOW_MINIMUM:
failcode = WIRE_AMOUNT_BELOW_MINIMUM;
failmsg = tal_fmt(inmsg, "HTLC too small (%s minimum)",
failstr = tal_fmt(inmsg, "HTLC too small (%s minimum)",
type_to_string(tmpctx,
struct amount_msat,
&peer->channel->config[REMOTE].htlc_minimum));
goto failed;
case CHANNEL_ERR_TOO_MANY_HTLCS:
failcode = WIRE_TEMPORARY_CHANNEL_FAILURE;
failmsg = tal_fmt(inmsg, "Too many HTLCs");
failstr = "Too many HTLCs";
goto failed;
}
/* Shouldn't return anything else! */
abort();
failed:
msg = towire_channel_offer_htlc_reply(NULL, 0, failcode, (u8*)failmsg);
msg = towire_channel_offer_htlc_reply(NULL, 0, failcode, failstr);
wire_sync_write(MASTER_FD, take(msg));
}