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BIP141: commitment clarification. BIP144: new diagram

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jl2012 2016-04-08 23:45:54 +08:00
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@ -75,6 +75,8 @@ and the coinbase's input's witness must consist of a single 32-byte array for th
If there are more than one scriptPubKey matching the pattern, the one with highest output index is assumed to be the commitment. If there are more than one scriptPubKey matching the pattern, the one with highest output index is assumed to be the commitment.
If all transactions in a block do not have witness data, the commitment is optional.
=== Witness program === === Witness program ===
A scriptPubKey (or redeemScript as defined in BIP16/P2SH) that consists of a 1-byte push opcode (for 0 to 16) followed by a data push between 2 and 32 bytes gets a new special meaning. The value of the first push is called the "version byte". The following byte vector pushed is called the "witness program". A scriptPubKey (or redeemScript as defined in BIP16/P2SH) that consists of a 1-byte push opcode (for 0 to 16) followed by a data push between 2 and 32 bytes gets a new special meaning. The value of the first push is called the "version byte". The following byte vector pushed is called the "witness program".

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