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Merge branch 'master' of github.com:bitcoin/bips

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Luke Dashjr 2017-10-29 04:16:19 +00:00
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@ -128,7 +128,7 @@ A new inv type (MSG_CMPCT_BLOCK == 4) and several new protocol messages are adde
# Upon receipt of a cmpctblock message after sending a sendcmpct message, nodes SHOULD calculate the short transaction ID for each unconfirmed transaction they have available (ie in their mempool) and compare each to each short transaction ID in the cmpctblock message.
# After finding already-available transactions, nodes which do not have all transactions available to reconstruct the full block SHOULD request the missing transactions using a getblocktxn message.
# A node MUST NOT send a cmpctblock message unless they are able to respond to a getblocktxn message which requests every transaction in the block.
# A node MUST NOT send a cmpctblock message without having validated that the header properly commits to each transaction in the block, and properly builds on top of the existing chain with a valid proof-of-work. A node MAY send a cmpctblock before validating that each transaction in the block validly spends existing UTXO set entries.
# A node MUST NOT send a cmpctblock message without having validated that the header properly commits to each transaction in the block, and properly builds on top of the existing, fully-validated chain with a valid proof-of-work either as a part of the current most-work valid chain, or building directly on top of it. A node MAY send a cmpctblock before validating that each transaction in the block validly spends existing UTXO set entries.
====getblocktxn====
# The getblocktxn message is defined as a message containing a serialized BlockTransactionsRequest message and pchCommand == "getblocktxn".