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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
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
19 changed files with 120 additions and 36 deletions
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2
tests/core_tests/block_validation.cpp
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@ -337,6 +337,7 @@ bool gen_block_miner_tx_has_2_in::generate(std::vector<test_event_entry>& events
se.amount = blk_0.miner_tx.vout[0].amount;
se.push_output(0, boost::get<txout_to_key>(blk_0.miner_tx.vout[0].target).key, se.amount);
se.real_output = 0;
se.rct = false;
se.real_out_tx_key = get_tx_pub_key_from_extra(blk_0.miner_tx);
se.real_output_in_tx_index = 0;
std::vector<tx_source_entry> sources;
@ -379,6 +380,7 @@ bool gen_block_miner_tx_with_txin_to_key::generate(std::vector<test_event_entry>
se.amount = blk_1.miner_tx.vout[0].amount;
se.push_output(0, boost::get<txout_to_key>(blk_1.miner_tx.vout[0].target).key, se.amount);
se.real_output = 0;
se.rct = false;
se.real_out_tx_key = get_tx_pub_key_from_extra(blk_1.miner_tx);
se.real_output_in_tx_index = 0;
std::vector<tx_source_entry> sources;