:: [Libbitcoin] ignore spam transactio…
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Auteur: Grazcoin
Date:  
À: libbitcoin
Sujet: [Libbitcoin] ignore spam transactions

The transaction:
c5e2814507f49b5370f70c4477b02854a34c16af2c301cf097d1a634c4721ee6
is an example for a spam transaction (part of the attack on bitcoin
network).

$ sx fetch-transaction
c5e2814507f49b5370f70c4477b02854a34c16af2c301cf097d1a634c4721ee6 | wc
      1       1   51317


$ sx fetch-transaction
c5e2814507f49b5370f70c4477b02854a34c16af2c301cf097d1a634c4721ee6 | sx
showtx | head -n 20
hash: c5e2814507f49b5370f70c4477b02854a34c16af2c301cf097d1a634c4721ee6
version: 1
locktime: 0
Input:
previous output:
9d9dd3402bb4ad7c409f3b5cf1b695a2d7815a58ef12982d0aeaa6a6a6880aee:0
script: [
30450221008eb4a4a7d91468fa1ec083dd72868dd0ccb314df580e0a84e76b51df43c58ae402205d07ddf588ee43bd4780ba9241c7075ec46cc1e83c9d21e4c49e3a01aefa516701
] [
045cce731a4d6308e5baf7d73ad2fcab298563bbc86404905d84e2b0ec314946a6d0e8076bd9db8e85ca0e7e5bd33f2adc629d48ac26f10e6ee459fc64efb5b8f5
]
sequence: 4294967295
address: 1SochiWwFFySPjQoi2biVftXn8NRPCSQC
Output:
value: 1
script: dup hash160 [ addd9328c13df98785d28be84ea8b93af1777969 ]
equalverify checksig
address: 1GrKLUduDbS5WM8zMJ4qzPCZ7UMpxj9AMo
Output:
value: 1
script: dup hash160 [ 5754bc1d08e76b8c021d7e04c7448ab751df5dad ]
equalverify checksig
address: 18xmJAisJ1GBLVpuyFmqaA7LNmj8d6NE73
Output:
value: 1
script: dup hash160 [ ad731d73d79a753ae71d64aa80c7697ee7cd603f ]
equalverify checksig
address: 1Gp7oXBtT2V5a4gqGcDVetw2aPw7vFPx1D

It just sends 1 satoshi to a long list of addresses, and it is clear
that it will never get included in a block.
Shouldn't we just ignore the tx (not keep it in the memory pool and not
forward it)?
blockchain.info does.

If for some reason it does enter a block, we'll get it anyway.
Grazcoin