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BOLT 2: fix terminal node ctlv_expiry calc.

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It *is* 2R+G+S, which is 7, not six.  It's also identical to the previous one,
so just say that.

Reported-by: Shannon Appelcline <shannona@skotos.net>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2017-11-24 12:14:26 +10:30
parent da67c9a3f7
commit cb78c50b77
1 changed files with 3 additions and 4 deletions
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7
02-peer-protocol.md
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@ -618,11 +618,10 @@ the channel has to be failed and the HTLC fulfilled on-chain before its
`cltv_expiry`. See steps 4-7 above, which imply a deadline of `2R+G+S` `cltv_expiry`. See steps 4-7 above, which imply a deadline of `2R+G+S`
blocks before `cltv_expiry`: 7 blocks is reasonable. blocks before `cltv_expiry`: 7 blocks is reasonable.
4. The minimum `cltv_expiry` accepted for terminal payments: the 4. The minimum `cltv_expiry` accepted for terminal payments: this
worst case for the terminal node C lower at `2R+G+S` blocks (steps is the same calculation as above. The default in
1-3 above don't apply). The default in
[BOLT #11](11-payment-encoding.md) is 9, which is slightly more [BOLT #11](11-payment-encoding.md) is 9, which is slightly more
conservative than the 6 this calculation suggests. conservative than the 7 this calculation suggests.
#### Requirements #### Requirements