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Merge pull request #19 from lightningnetwork/fix-funding-locked-announce-sigs

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BOLT 2: fix funding_locked announcement signatures.
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Rusty Russell 2016-11-24 12:42:20 +10:30 committed by GitHub
commit bfc392c6f9
1 changed files with 7 additions and 5 deletions
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02-peer-protocol.md
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@ -231,8 +231,9 @@ This message indicates that the funding transaction has reached the `minimum-dep
2. data: 2. data:
* [8:temporary-channel-id] * [8:temporary-channel-id]
* [8:channel-id] * [8:channel-id]
* [64:announcement-node-signature]
* [64:announcement-bitcoin-signature]
* [33:next-per-commitment-point] * [33:next-per-commitment-point]
* [33:announcement-signature]
The `channel-id` is the unique description of the funding transaction. The `channel-id` is the unique description of the funding transaction.
It is constructed with the most significant 3 bytes as the block It is constructed with the most significant 3 bytes as the block
@ -243,7 +244,7 @@ index which pays to the channel.
This `channel-id` is used in all messages referring to the channel This `channel-id` is used in all messages referring to the channel
from this point onwards. from this point onwards.
`announcement-signature` is the optional signature for `channel_announcement` as described in [BOLT #7](07-routing-gossip.md#the-channel_announcement-message). `announcement-node-signature` and `announcement-bitcoin-signature` are the optional signature for `channel_announcement` as described in [BOLT #7](07-routing-gossip.md#the-channel_announcement-message).
#### Requirements #### Requirements
@ -260,12 +261,13 @@ transaction, derived as specified in
If the recipient has already sent `funding_locked` it MUST fail the If the recipient has already sent `funding_locked` it MUST fail the
channel if `channel-id` does not match the `channel-id` it sent. channel if `channel-id` does not match the `channel-id` it sent.
The sender MUST set `announcement-signature` to the signature for the The sender MUST set `announcement-node-signature` and `announcement-bitcoin-signature` to the signatures for the
channel_announcement message, or all zeroes if it does not want the `channel_announcement` message, or all zeroes if it does not want the
channel announced. channel announced.
The recipient SHOULD fail the channel if the `announcement-node-signature` and `announcement-bitcoin-signature`s are incorrect (and not all zeroes).
The recipient SHOULD queue the `channel_announcement` message for its The recipient SHOULD queue the `channel_announcement` message for its
peers if it has sent and received a non-zero `announcement-signature`. peers if it has sent and received a non-zero `announcement-node-signature` and `announcement-bitcoin-signature`.
#### Future #### Future