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Application of the anti-inscriptions patch

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This commit is contained in:
Léo Haf 2025-01-20 12:47:19 +01:00
parent 32efe85043
commit 3bc1a3e4d7
Signed by: Retropex
GPG Key ID: 0E37EBAB8574F005
1 changed files with 8 additions and 0 deletions
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8
src/script/interpreter.cpp
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@ -479,6 +479,14 @@ bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript&
return set_error(serror, SCRIPT_ERR_MINIMALDATA);
}
stack.push_back(vchPushValue);
if ((flags & SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS) && opcode == OP_FALSE) {
auto pc_tmp = pc;
opcodetype next_opcode;
valtype dummy_data;
if (script.GetOp(pc_tmp, next_opcode, dummy_data) && next_opcode == OP_IF) {
return set_error(serror, SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS);
}
}
} else if (fExec || (OP_IF <= opcode && opcode <= OP_ENDIF))
switch (opcode)
{