diff options
Diffstat (limited to 'src/script/script.cpp')
| -rw-r--r-- | src/script/script.cpp | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/src/script/script.cpp b/src/script/script.cpp index 828ce1a05..a10b619f7 100644 --- a/src/script/script.cpp +++ b/src/script/script.cpp @@ -8,8 +8,6 @@ #include "tinyformat.h" #include "utilstrencodings.h" -using namespace std; - const char* GetOpName(opcodetype opcode) { switch (opcode) @@ -129,7 +127,7 @@ const char* GetOpName(opcodetype opcode) case OP_CHECKMULTISIG : return "OP_CHECKMULTISIG"; case OP_CHECKMULTISIGVERIFY : return "OP_CHECKMULTISIGVERIFY"; - // expanson + // expansion case OP_NOP1 : return "OP_NOP1"; case OP_CHECKLOCKTIMEVERIFY : return "OP_CHECKLOCKTIMEVERIFY"; case OP_CHECKSEQUENCEVERIFY : return "OP_CHECKSEQUENCEVERIFY"; @@ -186,18 +184,18 @@ unsigned int CScript::GetSigOpCount(const CScript& scriptSig) const // get the last item that the scriptSig // pushes onto the stack: const_iterator pc = scriptSig.begin(); - vector<unsigned char> data; + std::vector<unsigned char> vData; while (pc < scriptSig.end()) { opcodetype opcode; - if (!scriptSig.GetOp(pc, opcode, data)) + if (!scriptSig.GetOp(pc, opcode, vData)) return 0; if (opcode > OP_16) return 0; } /// ... and return its opcount: - CScript subscript(data.begin(), data.end()); + CScript subscript(vData.begin(), vData.end()); return subscript.GetSigOpCount(true); } @@ -269,3 +267,16 @@ std::string CScriptWitness::ToString() const } return ret + ")"; } + +bool CScript::HasValidOps() const +{ + CScript::const_iterator it = begin(); + while (it < end()) { + opcodetype opcode; + std::vector<unsigned char> item; + if (!GetOp(it, opcode, item) || opcode > MAX_OPCODE || item.size() > MAX_SCRIPT_ELEMENT_SIZE) { + return false; + } + } + return true; +} |