check that a separator is found for psbt inputs, outputs, and global map

Github-Pull: #14377
Rebased-From: 4fb3388db9
This commit is contained in:
Andrew Chow 2018-10-02 20:33:31 -04:00 committed by Pieter Wuille
parent 3362a95be3
commit a3fe125490
2 changed files with 29 additions and 4 deletions

View file

@ -286,6 +286,7 @@ struct PSBTInput
template <typename Stream>
inline void Unserialize(Stream& s) {
// Read loop
bool found_sep = false;
while(!s.empty()) {
// Read
std::vector<unsigned char> key;
@ -293,7 +294,10 @@ struct PSBTInput
// the key is empty if that was actually a separator byte
// This is a special case for key lengths 0 as those are not allowed (except for separator)
if (key.empty()) return;
if (key.empty()) {
found_sep = true;
break;
}
// First byte of key is the type
unsigned char type = key[0];
@ -408,6 +412,10 @@ struct PSBTInput
break;
}
}
if (!found_sep) {
throw std::ios_base::failure("Separator is missing at the end of an input map");
}
}
template <typename Stream>
@ -461,6 +469,7 @@ struct PSBTOutput
template <typename Stream>
inline void Unserialize(Stream& s) {
// Read loop
bool found_sep = false;
while(!s.empty()) {
// Read
std::vector<unsigned char> key;
@ -468,7 +477,10 @@ struct PSBTOutput
// the key is empty if that was actually a separator byte
// This is a special case for key lengths 0 as those are not allowed (except for separator)
if (key.empty()) return;
if (key.empty()) {
found_sep = true;
break;
}
// First byte of key is the type
unsigned char type = key[0];
@ -513,6 +525,10 @@ struct PSBTOutput
}
}
}
if (!found_sep) {
throw std::ios_base::failure("Separator is missing at the end of an output map");
}
}
template <typename Stream>
@ -588,6 +604,7 @@ struct PartiallySignedTransaction
}
// Read global data
bool found_sep = false;
while(!s.empty()) {
// Read
std::vector<unsigned char> key;
@ -595,7 +612,10 @@ struct PartiallySignedTransaction
// the key is empty if that was actually a separator byte
// This is a special case for key lengths 0 as those are not allowed (except for separator)
if (key.empty()) break;
if (key.empty()) {
found_sep = true;
break;
}
// First byte of key is the type
unsigned char type = key[0];
@ -635,6 +655,10 @@ struct PartiallySignedTransaction
}
}
if (!found_sep) {
throw std::ios_base::failure("Separator is missing at the end of the global map");
}
// Make sure that we got an unsigned tx
if (!tx) {
throw std::ios_base::failure("No unsigned transcation was provided");

View file

@ -17,7 +17,8 @@
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