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BIP-0158: switch to prev output scripts, skip all OP_RETURN

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Olaoluwa Osuntokun 2018-07-03 19:06:41 -05:00
parent 1c2ed6dce3
commit 6a4e819829
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1 changed files with 16 additions and 4 deletions
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bip-0158.mediawiki
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@ -273,10 +273,22 @@ This BIP defines one initial filter type:
==== Contents ==== ==== Contents ====
The basic filter is designed to contain everything that a light client needs to The basic filter is designed to contain everything that a light client needs to
sync a regular Bitcoin wallet. A basic filter MUST contain exactly the following sync a regular Bitcoin wallet. A basic filter MUST contain exactly the
items for each transaction in a block: following items for each transaction in a block:
* The outpoint of each input, except for the coinbase transaction * The previous output script (the script being spent) for each input, except
* The scriptPubKey of each output for the coinbase transaction.
* The scriptPubKey of each output, aside from all <code>OP_RETURN</code> output
scripts.
Any "nil" items MUST NOT be included into the final set of filter elements.
We exclude all <code>OP_RETURN</code> outputs in order to allow filters to
easily be committed to in the future via a soft-fork. A likely area for future
commitments is an additional <code>OP_RETURN</code> output in the coinbase
transaction similar to the current witness commitment
<ref>https://github.com/bitcoin/bips/blob/master/bip-0141.mediawiki</rev>. By
excluding all <code>OP_RETURN</code> outputs we avoid a circular dependency
between the commitment, and the item being committed to.
==== Construction ==== ==== Construction ====