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ZIP 308: Migration transactions MUST have an expiry delta of 450 blocks. 

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
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Daira Hopwood 2019-05-10 20:27:45 +01:00
parent d7bed44d73
commit 4861f55830
1 changed files with 3 additions and 1 deletions
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zip-0308.rst
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@ -246,7 +246,9 @@ the same as for a normal transaction sending the same amount with the same
wallet state. Only the ``vpub_out`` of the last JoinSplit will be nonzero.
There will always be exactly one Sapling Output.
The expiry height MUST be chosen as for other transactions.
The expiry delta for migration transactions MUST be 450 blocks. Since these
transactions are sent when the block height is 499 modulo 500, their expiry
height will be 451 blocks later, i.e. ``nExpiryHeight`` will be 450 modulo 500.
The fee for each migration transaction MUST be 0.0001 ZEC. This fee is taken
from the funds to be migrated.