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Returned input hash and ledger info for input submissions. (#283)

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- Introduced input hash which can later be used to query the ledger.
- Returned input hash and ledger info at input submission.
- Updated js client lib to support input hash.
- Updated consensus proposal candidate expiration rules.
This commit is contained in:
Ravin Perera
2021-04-07 21:22:29 +05:30
committed by GitHub
parent 137d7633e0
commit d4646179c2
33 changed files with 668 additions and 393 deletions
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45
src/crypto.cpp
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@@ -154,14 +154,17 @@ namespace crypto
}
/**
* Generates blake3 hash for the given string view vector using stream hashing.
* Generates blake3 hash for the given list of strings using stream hashing.
* @param str_list Any list container of list of strings or string_views.
* @return The combined blake32 hash of elements in listed order.
*/
const std::string get_hash(const std::vector<std::string_view> &sw_vect)
template <typename T>
const std::string get_list_hash(const T &str_list)
{
std::string hash;
hash.resize(BLAKE3_OUT_LEN);
if (sw_vect.empty())
if (str_list.empty())
{
return hash;
}
@@ -171,41 +174,17 @@ namespace crypto
blake3_hasher_init(&hasher);
// Hash is generated only using message in contract output struct.
for (std::string_view sw : sw_vect)
blake3_hasher_update(&hasher, reinterpret_cast<const unsigned char *>(sw.data()), sw.length());
// Get the final hash.
blake3_hasher_finalize(&hasher, reinterpret_cast<unsigned char *>(hash.data()), hash.length());
return hash;
}
/**
* Generates blake3 hash for the given string set using stream hashing.
*/
const std::string get_hash(const std::set<std::string> &sw_set)
{
std::string hash;
hash.resize(BLAKE3_OUT_LEN);
if (sw_set.empty())
{
return hash;
}
// Init stream hashing.
blake3_hasher hasher;
blake3_hasher_init(&hasher);
// Hash is generated only using message in contract output struct.
for (std::string_view sw : sw_set)
blake3_hasher_update(&hasher, reinterpret_cast<const unsigned char *>(sw.data()), sw.length());
for (std::string_view sv : str_list)
blake3_hasher_update(&hasher, reinterpret_cast<const unsigned char *>(sv.data()), sv.length());
// Get the final hash.
blake3_hasher_finalize(&hasher, reinterpret_cast<unsigned char *>(hash.data()), hash.length());
return hash;
}
template const std::string get_list_hash<std::set<std::string>>(const std::set<std::string> &str_list);
template const std::string get_list_hash<std::vector<std::string>>(const std::vector<std::string> &str_list);
template const std::string get_list_hash<std::vector<std::string_view>>(const std::vector<std::string_view> &str_list);
const std::string generate_uuid()
{