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crate::ix!();
/**
| Wrapper that serializes like CTransaction,
| but with the modifications required
| for the signature hash done in-place
|
*/
pub struct TransactionSignatureSerializer<T> {
/**
| reference to the spending transaction
| (the one being serialized)
|
*/
tx_to: Rc<T>,
/**
| output script being consumed
|
*/
script_code: Rc<Script>,
/**
| input index of txTo being signed
|
*/
n_in: u32,
/**
| whether the hashtype has the
| SIGHASH_ANYONECANPAY flag set
|
*/
anyone_can_pay: bool,
/**
| whether the hashtype is SIGHASH_SINGLE
|
*/
hash_single: bool,
/**
| whether the hashtype is SIGHASH_NONE
|
*/
hash_none: bool,
}
impl<T> TransactionSignatureSerializer<T> {
pub fn new(
tx_to_in: &T,
script_code_in: &Script,
n_in_in: u32,
n_hash_type_in: i32) -> Self {
todo!();
/*
:
txTo(txToIn), scriptCode(scriptCodeIn), nIn(nInIn),
fAnyoneCanPay(!!(nHashTypeIn & SIGHASH_ANYONECANPAY)),
fHashSingle((nHashTypeIn & 0x1f) == SIGHASH_SINGLE),
fHashNone((nHashTypeIn & 0x1f) == SIGHASH_NONE)
*/
}
/**
| Serialize the passed scriptCode, skipping
| OP_CODESEPARATORs
|
*/
pub fn serialize_script_code<S>(&self, s: &mut S) {
todo!();
/*
Script::const_iterator it = scriptCode.begin();
Script::const_iterator itBegin = it;
opcodetype opcode;
unsigned int nCodeSeparators = 0;
while (scriptCode.GetOp(it, opcode)) {
if (opcode == OP_CODESEPARATOR)
nCodeSeparators++;
}
::WriteCompactSize(s, scriptCode.size() - nCodeSeparators);
it = itBegin;
while (scriptCode.GetOp(it, opcode)) {
if (opcode == OP_CODESEPARATOR) {
s.write((char*)&itBegin[0], it-itBegin-1);
itBegin = it;
}
}
if (itBegin != scriptCode.end())
s.write((char*)&itBegin[0], it-itBegin);
*/
}
/**
| Serialize an input of txTo
|
*/
pub fn serialize_input<S>(&self,
s: &mut S,
n_input: u32) {
todo!();
/*
// In case of SIGHASH_ANYONECANPAY, only the input being signed is serialized
if (fAnyoneCanPay)
nInput = nIn;
// Serialize the prevout
::Serialize(s, txTo.vin[nInput].prevout);
// Serialize the script
if (nInput != nIn)
// Blank out other inputs' signatures
::Serialize(s, Script());
else
SerializeScriptCode(s);
// Serialize the nSequence
if (nInput != nIn && (fHashSingle || fHashNone))
// let the others update at will
::Serialize(s, (int)0);
else
::Serialize(s, txTo.vin[nInput].nSequence);
*/
}
/**
| Serialize an output of txTo
|
*/
pub fn serialize_output<S>(&self,
s: &mut S,
n_output: u32) {
todo!();
/*
if (fHashSingle && nOutput != nIn)
// Do not lock-in the txout payee at other indices as txin
::Serialize(s, CTxOut());
else
::Serialize(s, txTo.vout[nOutput]);
*/
}
/**
| Serialize txTo
|
*/
pub fn serialize<S>(&self, s: &mut S) {
todo!();
/*
// Serialize nVersion
::Serialize(s, txTo.nVersion);
// Serialize vin
unsigned int nInputs = fAnyoneCanPay ? 1 : txTo.vin.size();
::WriteCompactSize(s, nInputs);
for (unsigned int nInput = 0; nInput < nInputs; nInput++)
SerializeInput(s, nInput);
// Serialize vout
unsigned int nOutputs = fHashNone ? 0 : (fHashSingle ? nIn+1 : txTo.vout.size());
::WriteCompactSize(s, nOutputs);
for (unsigned int nOutput = 0; nOutput < nOutputs; nOutput++)
SerializeOutput(s, nOutput);
// Serialize nLockTime
::Serialize(s, txTo.nLockTime);
*/
}
}