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BOLT 2: require that undefined bits in open_channel must be set to 0.

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We already say that receiver has to ignore them.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Rusty Russell 2017-11-24 12:37:10 +10:30
parent 3975a54a1c
commit 072a69fe77
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02-peer-protocol.md
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@ -131,6 +131,7 @@ The sending node MUST:
- set `push_msat` to equal or less than 1000 * `funding_satoshis`.
- set `funding_pubkey`, `revocation_basepoint`, `htlc_basepoint`, `payment_basepoint`, and `delayed_payment_basepoint` to valid DER-encoded, compressed, secp256k1 pubkeys.
- set `first_per_commitment_point` to the per-commitment point to be used for the initial commitment transaction, derived as specified in [BOLT #3](03-transactions.md#per-commitment-secret-requirements).
- set undefined bits in `channel_flags` to 0.
The sending node SHOULD:
- set `to_self_delay` sufficient to ensure the sender can irreversibly spend a commitment transaction output, in case of misbehavior by the receiver.