Policy: MOVEONLY: 3 functions to policy.o:

- [script/standard.o] IsStandard
- [main.o] IsStandardTx
- [main.o] AreInputsStandard

Also, don't use namespace std in policy.cpp

src/main.h

@@ -261,25 +261,6 @@ struct CDiskTxPos : public CDiskBlockPos
 
 CAmount GetMinRelayFee(const CTransaction& tx, unsigned int nBytes, bool fAllowFree);
 
-/**
- * Check transaction inputs, and make sure any
- * pay-to-script-hash transactions are evaluating IsStandard scripts
- * 
- * Why bother? To avoid denial-of-service attacks; an attacker
- * can submit a standard HASH... OP_EQUAL transaction,
- * which will get accepted into blocks. The redemption
- * script can be anything; an attacker could use a very
- * expensive-to-check-upon-redemption script like:
- *   DUP CHECKSIG DROP ... repeated 100 times... OP_1
- */
-
-/** 
- * Check for standard transaction types
- * @param[in] mapInputs    Map of previous transactions that have outputs we're spending
- * @return True if all inputs (scriptSigs) use only standard transaction forms
- */
-bool AreInputsStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs);
-
 /** 
  * Count ECDSA signature operations the old-fashioned (pre-0.6) way
  * @return number of sigops this transaction's outputs will produce when spent
@@ -311,11 +292,6 @@ void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCach
 /** Context-independent validity checks */
 bool CheckTransaction(const CTransaction& tx, CValidationState& state);
 
-/** Check for standard transaction types
- * @return True if all outputs (scriptPubKeys) use only standard transaction forms
- */
-bool IsStandardTx(const CTransaction& tx, std::string& reason);
-
 /**
  * Check if transaction is final and can be included in a block with the
  * specified height and time. Consensus critical.