boilerplate contracts

Reusable .ct starting points for common UTXO_Compiler contract patterns. Code comments are localized when paired EN / ZH comments are available.

File	Pattern
accumulatorMultiSig.ct	Threshold multisig with selectable participants
atomicSwap.ct	Hash-lock claim plus timeout refund
auction.ct	Stateful auction with bid and close paths
clone.ct	State-continuation clone verifier
coinToss.ct	Commit-reveal coin toss
counter.ct	Stateful counter with increment-only continuation
counter2.ct	Stateful counter with increment, decrement, and reset
demoBitVM.ct	BitVM-style boolean gate proof
multiPartyHashPuzzleOpt.ct	Combined-hash puzzle optimization
oracleDemoBsv20.ct	Schnorr-signed BSV20 oracle message verifier
ordinalAuction.ct	Ordinal auction with higher-bid state continuation and deadline close settlement
ordinalLock.ct	Permissionless ordinal purchase with seller-signed cancellation
ordinalSwap.ct	Ordinal swap settlement and cancel flow
p2pkh.ct	P2PKH-style signature lock
pricePredictionOracle.ct	Oracle-settled price prediction payout
timedCommit.ct	Timed commitment with open and forfeit paths