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Use RPC calls to check bitcoin blocks are valid and confirmed

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This commit is contained in:
Matt Corallo 2014-12-06 14:38:47 -08:00 • committed by Gregory Sanders
parent 4f9ed185b8
commit 183e00bdfd
9 changed files with 83 additions and 10 deletions
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19
src/script/interpreter.cpp
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@ -20,6 +20,11 @@
#include "streams.h"
#include "uint256.h"
#include "utilstrencodings.h"
#include "util.h"
#ifndef BITCOIN_SCRIPT_NO_CALLRPC
#include "callrpc.h"
#endif
using namespace std;
@ -1211,7 +1216,10 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, un
if (withdrawOutput.scriptPubKey != expectedWithdrawScriptPubKey)
return set_error(serror, SCRIPT_ERR_WITHDRAW_VERIFY_OUTPUT);
//TODO: Check that we're spending from a valid, buried bitcoin block
#ifndef BITCOIN_SCRIPT_NO_CALLRPC
if (!GetBoolArg("-blindtrust", true) && !checker.IsConfirmedBitcoinBlock(genesishash, merkleBlock.header.GetHash(), flags & SCRIPT_VERIFY_INCREASE_CONFIRMATIONS_REQUIRED))
return set_error(serror, SCRIPT_ERR_WITHDRAW_VERIFY_BLOCKCONFIRMED);
#endif
} catch (std::exception& e) {
// Probably invalid encoding of something which was deserialized
return set_error(serror, SCRIPT_ERR_WITHDRAW_VERIFY_FORMAT);
@ -1582,6 +1590,15 @@ CAmount TransactionSignatureChecker::GetValueInPrevIn() const
return amountPreviousInput;
}
bool TransactionSignatureChecker::IsConfirmedBitcoinBlock(const uint256& genesishash, const uint256& hash, bool fConservativeConfirmationRequirements) const
{
#ifndef BITCOIN_SCRIPT_NO_CALLRPC
return ::IsConfirmedBitcoinBlock(genesishash, hash, fConservativeConfirmationRequirements ? 10 : 8);
#else
return true;
#endif
}
static bool VerifyWitnessProgram(const CScriptWitness& witness, int witversion, const std::vector<unsigned char>& program, unsigned int flags, const BaseSignatureChecker& checker, ScriptError* serror)
{
vector<vector<unsigned char> > stack;