DragonX/hush3
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 1 Wiki Activity

Beginning of N@S solution using CoinbaseGuard CC

Browse Source
This commit is contained in:
miketout
2018-10-02 19:49:54 -07:00
parent c68ca1a225
commit 8a727a26a7
49 changed files with 832 additions and 62 deletions
Download Patch File Download Diff File Expand all files Collapse all files

81
src/script/script.cpp
View File

@@ -245,9 +245,64 @@ bool CScript::IsPayToScriptHash() const
(*this)[22] == OP_EQUAL);
}
bool CScript::IsPayToCryptoCondition() const
// this returns true if either there is nothing left and pc points at the end, or
// all instructions from the pc to the end of the script are balanced pushes and pops
// if there is data, it also returns all the values as byte vectors in a list of vectors
bool CScript::GetBalancedData(const_iterator& pc, std::vector<std::vector<unsigned char>>& vSolutions) const
{
const_iterator pc = this->begin();
int netPushes = 0;
vSolutions.clear();
while (pc < end())
{
vector<unsigned char> data;
opcodetype opcode;
if (this->GetOp(pc, opcode, data))
{
if (opcode == OP_DROP)
{
// this should never pop what it hasn't pushed (like a success code)
if (--netPushes < 0)
return false;
}
if (opcode < 1 || opcode > OP_PUSHDATA4)
return false;
netPushes++;
vSolutions.push_back(data);
}
else
return false;
}
return netPushes == 0;
}
// this returns true if either there is nothing left and pc points at the end, or
// all instructions from the pc to the end of the script are balanced pushes and pops
// if there is data, it also returns all the values as byte vectors in a list of vectors
bool CScript::GetOpretData(std::vector<std::vector<unsigned char>>& vData) const
{
vector<unsigned char> data;
opcodetype opcode;
const_iterator pc = begin();
vData.clear();
if (GetOp(pc, opcode, data) && opcode == OP_RETURN)
{
while (pc < end())
{
if (GetOp(pc, opcode, data))
{
vData.push_back(data);
}
}
return vData.size() != 0;
}
}
bool CScript::IsPayToCryptoCondition(CScript *pCCSubScript, std::vector<std::vector<unsigned char>>& vSolutions) const
{
const_iterator pc = begin();
vector<unsigned char> data;
opcodetype opcode;
if (this->GetOp(pc, opcode, data))
@@ -255,9 +310,27 @@ bool CScript::IsPayToCryptoCondition() const
if (opcode > OP_0 && opcode < OP_PUSHDATA1)
if (this->GetOp(pc, opcode, data))
if (opcode == OP_CHECKCRYPTOCONDITION)
if (pc == this->end())
{
const_iterator pcCCEnd = pc;
if (GetBalancedData(pc, vSolutions))
{
if (pCCSubScript)
*pCCSubScript = CScript(begin(),pc);
return 1;
return 0;
}
}
return false;
}
bool CScript::IsPayToCryptoCondition(CScript *pCCSubScript) const
{
std::vector<std::vector<unsigned char>> vSolutions;
return IsPayToCryptoCondition(pCCSubScript, vSolutions);
}
bool CScript::IsPayToCryptoCondition() const
{
return IsPayToCryptoCondition(NULL);
}
bool CScript::MayAcceptCryptoCondition() const