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BIP112: Implement CHECKSEQUENCEVERIFY

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- Replace NOP3 with CHECKSEQUENCEVERIFY (BIP112)
  <nSequence> CHECKSEQUENCEVERIFY -> <nSequence>
- Fails if txin.nSequence < nSequence, allowing funds of a txout to be locked for a number of blocks or a duration of time after its inclusion in a block.
- Pull most of CheckLockTime() out into VerifyLockTime(), a local function that will be reused for CheckSequence()
- Add bitwise AND operator to CScriptNum
- Enable CHECKSEQUENCEVERIFY as a standard script verify flag
- Transactions that fail CSV verification will be rejected from the mempool, making it easy to test the feature. However blocks containing "invalid" CSV-using transactions will still be accepted; this is *not* the soft-fork required to actually enable CSV for production use.
This commit is contained in:
Mark Friedenbach
2015-09-25 16:18:51 -07:00
committed by BtcDrak
parent 80d1f2e483
commit 53e53a33c9
8 changed files with 247 additions and 9 deletions
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2
src/script/script_error.h
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@@ -35,7 +35,7 @@ typedef enum ScriptError_t
SCRIPT_ERR_INVALID_ALTSTACK_OPERATION,
SCRIPT_ERR_UNBALANCED_CONDITIONAL,
/* OP_CHECKLOCKTIMEVERIFY */
/* CHECKLOCKTIMEVERIFY and CHECKSEQUENCEVERIFY */
SCRIPT_ERR_NEGATIVE_LOCKTIME,
SCRIPT_ERR_UNSATISFIED_LOCKTIME,