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New "Halfway RingCT" outputs for coinbase transactions

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When RingCT is enabled, outputs from coinbase transactions
are created as a single output, and stored as RingCT output,
with a fake mask. Their amount is not hidden on the blockchain
itself, but they are then able to be used as fake inputs in
a RingCT ring. Since the output amounts are hidden, their
"dustiness" is not an obstacle anymore to mixing, and this
makes the coinbase transactions a lot smaller, as well as
helping the TXO set to grow more slowly.

Also add a new "Null" type of rct signature, which decreases
the size required when no signatures are to be stored, as
in a coinbase tx.
This commit is contained in:
moneromooo-monero 2016-08-12 18:45:07 +01:00
parent 6f526cdff8
commit c3b3260ae5
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GPG key ID: 686F07454D6CEFC3
19 changed files with 120 additions and 36 deletions
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1
tests/core_tests/double_spend.inl
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@ -130,6 +130,7 @@ bool gen_double_spend_in_tx<txs_keeped_by_block>::generate(std::vector<test_even
se.amount = tx_0.vout[0].amount;
se.push_output(0, boost::get<cryptonote::txout_to_key>(tx_0.vout[0].target).key, se.amount);
se.real_output = 0;
se.rct = false;
se.real_out_tx_key = get_tx_pub_key_from_extra(tx_0);
se.real_output_in_tx_index = 0;
sources.push_back(se);