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channeld: support private channel creation, fixes #2125

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Adds a new 'announce' field for `fundchannel`, which if false
won't broadcast a `channel_announcement`.
This commit is contained in:
lisa neigut
2018-12-07 15:38:41 -08:00
committed by neil saitug
parent eab992cecd
commit a39c97c960
5 changed files with 47 additions and 5 deletions
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7
lightningd/opening_control.c
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@@ -770,6 +770,7 @@ static void json_fund_channel(struct command *cmd,
struct peer *peer;
struct channel *channel;
u32 *feerate_per_kw;
bool *announce_channel;
u8 *msg;
u64 max_funding_satoshi = get_chainparams(cmd->ld)->max_funding_satoshi;
@@ -780,6 +781,7 @@ static void json_fund_channel(struct command *cmd,
p_req("id", json_tok_pubkey, &id),
p_req("satoshi", json_tok_tok, &sattok),
p_opt("feerate", json_tok_feerate, &feerate_per_kw),
p_opt_def("announce", json_tok_bool, &announce_channel, true),
NULL))
return;
@@ -826,6 +828,11 @@ static void json_fund_channel(struct command *cmd,
/* FIXME: Support push_msat? */
fc->push_msat = 0;
fc->channel_flags = OUR_CHANNEL_FLAGS;
if (!*announce_channel) {
fc->channel_flags &= ~CHANNEL_FLAGS_ANNOUNCE_CHANNEL;
log_info(peer->ld->log, "Will open private channel with node %s",
type_to_string(fc, struct pubkey, id));
}
if (!wtx_select_utxos(&fc->wtx, *feerate_per_kw,
BITCOIN_SCRIPTPUBKEY_P2WSH_LEN))