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bcli: explicitly check at startup that bitcoind does relay transactions

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We've had problems with blocksonly in the past and bitcoind still allows
to use outdated (thus potentially dangerous estimates) while running
bitcoin with -blocksonly.

ZmnSCPxj mentionned that we still don't document this, but i figured
that in this specific case an explicit check and error seems preferable.

Changelog-Added: We now explicitly check at startup that our default Bitcoin backend (bitcoind) does relay transactions.

Proposed-by: ZmnSCPxj <zmnscpxj@protonmail.com>
Signed-off-by: Antoine Poinsot <darosior@protonmail.com>
This commit is contained in:
Antoine Poinsot
2020-07-29 16:24:33 +02:00
committed by Rusty Russell
parent 5be07c5fe3
commit 905730341a
2 changed files with 21 additions and 8 deletions
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README.md
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@@ -31,7 +31,7 @@ Don't hesitate to reach out to us on IRC at [#lightning-dev @ freenode.net][irc1
## Getting Started
c-lightning only works on Linux and Mac OS, and requires a locally (or remotely) running `bitcoind` (version 0.16 or above) that is fully caught up with the network you're testing on.
c-lightning only works on Linux and Mac OS, and requires a locally (or remotely) running `bitcoind` (version 0.16 or above) that is fully caught up with the network you're running on, and relays transactions (ie with `blocksonly=0`).
Pruning (`prune=n` option in `bitcoin.conf`) is partially supported, see [here](#pruning) for more details.
### Installation