BinaryData SigHashDataSegWit::getDataForSigHashAll(const TransactionStub& stub,
BinaryDataRef subScript, unsigned inputIndex)
{
//grab subscript
auto lastCSoffset = stub.getLastCodeSeparatorOffset(inputIndex);
auto subScriptLen = subScript.getSize() - lastCSoffset;
auto&& subscript = subScript.getSliceRef(lastCSoffset, subScriptLen);
//pre state
computePreState(stub);
//serialize hashdata
BinaryWriter hashdata;
//version
hashdata.put_uint32_t(stub.getVersion());
//hashPrevouts
hashdata.put_BinaryData(hashPrevouts_);
//hashSequence
hashdata.put_BinaryData(hashSequence_);
//outpoint
hashdata.put_BinaryDataRef(stub.getOutpoint(inputIndex));
//script code
hashdata.put_uint8_t(subScriptLen);
hashdata.put_BinaryDataRef(subscript);
//value
hashdata.put_uint64_t(stub.getOutpointValue(inputIndex));
//sequence
hashdata.put_uint32_t(stub.getTxInSequence(inputIndex));
//hashOutputs
hashdata.put_BinaryData(hashOutputs_);
//nLocktime
hashdata.put_uint32_t(stub.getLockTime());
//sighash type
hashdata.put_uint32_t(1);
return hashdata.getData();
}
BinaryData TransactionVerifier::serializeAllOutpoints() const
{
BinaryWriter bw;
for (unsigned i = 0; i < theTx_.txins_.size(); i++)
bw.put_BinaryDataRef(getOutpoint(i));
return bw.getData();
}
BinaryData TransactionVerifier::serializeAllSequences() const
{
BinaryWriter bw;
for (auto& txinOnS : theTx_.txins_)
{
auto sequenceOffset = txinOnS.first + txinOnS.second - 4;
BinaryDataRef bdr(theTx_.data_ + sequenceOffset, 4);
bw.put_BinaryDataRef(bdr);
}
return bw.getData();
}
