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Replace NOP2 with CHECKLOCKTIMEVERIFY (BIP65)

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<nLockTime> CHECKLOCKTIMEVERIFY -> <nLockTime>

Fails if tx.nLockTime < nLockTime, allowing the funds in a txout to be
locked until some block height or block time in the future is reached.

Only the logic and unittests are implemented; this commit does not have
any actual soft-fork logic in it.

Thanks to Pieter Wuille for rebase.

Credit goes to Gregory Maxwell for the suggestion of comparing the
argument against the transaction nLockTime rather than the current
time/blockheight directly.
This commit is contained in:
Peter Todd
2014-09-29 03:44:25 -04:00
parent 48e9c57cf0
commit bc60b2b4b4
8 changed files with 209 additions and 3 deletions
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3
src/test/transaction_tests.cpp
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@@ -39,7 +39,8 @@ static std::map<string, unsigned int> mapFlagNames = boost::assign::map_list_of
(string("MINIMALDATA"), (unsigned int)SCRIPT_VERIFY_MINIMALDATA)
(string("NULLDUMMY"), (unsigned int)SCRIPT_VERIFY_NULLDUMMY)
(string("DISCOURAGE_UPGRADABLE_NOPS"), (unsigned int)SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS)
(string("CLEANSTACK"), (unsigned int)SCRIPT_VERIFY_CLEANSTACK);
(string("CLEANSTACK"), (unsigned int)SCRIPT_VERIFY_CLEANSTACK)
(string("CHECKLOCKTIMEVERIFY"), (unsigned int)SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY);
unsigned int ParseScriptFlags(string strFlags)
{