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funding: don't allow funding new channels until we're synced.

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This is probably worth preventing.

1. Our depth estimate would be inaccurate possibly leading to us
   timing out too early.
2. If we're not up-to-date our onchain funds are unknown.
3. We wouldn't be able to send or receive HTLCs until we're synced anyway.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2019-08-10 20:18:20 +09:30
committed by Christian Decker
parent c3a35416da
commit ca28c30eff
6 changed files with 42 additions and 6 deletions
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10
lightningd/opening_control.c
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@@ -1273,6 +1273,11 @@ static struct command_result *json_fund_channel_start(struct command *cmd,
"Feerate below feerate floor");
}
if (!topology_synced(cmd->ld->topology)) {
return command_fail(cmd, FUNDING_STILL_SYNCING_BITCOIN,
"Still syncing with bitcoin network");
}
peer = peer_by_id(cmd->ld, id);
if (!peer) {
return command_fail(cmd, LIGHTNINGD, "Unknown peer");
@@ -1365,6 +1370,11 @@ static struct command_result *json_fund_channel(struct command *cmd,
"Feerate below feerate floor");
}
if (!topology_synced(cmd->ld->topology)) {
return command_fail(cmd, FUNDING_STILL_SYNCING_BITCOIN,
"Still syncing with bitcoin network");
}
peer = peer_by_id(cmd->ld, id);
if (!peer) {
return command_fail(cmd, LIGHTNINGD, "Unknown peer");