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updated to support Haven 2.0 (untested)

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This commit is contained in:
Neil Coggins
2021-10-14 09:08:53 +01:00
committed by MoneroOcean
parent 22f9cf0bca
commit f5ccc22d2c
6 changed files with 364 additions and 189 deletions
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src/offshore/pricing_record.cpp
+112 -43
View File
@@ -32,6 +32,11 @@
#include "serialization/keyvalue_serialization.h"
#include "storages/portable_storage.h"
#include "string_tools.h"
#define PRICING_RECORD_VALID_BLOCKS 10
#define PRICING_RECORD_VALID_TIME_DIFF_FROM_BLOCK 120 // seconds
namespace offshore
{
@@ -127,8 +132,8 @@ namespace offshore
unused3 = in.unused3;
timestamp = in.timestamp;
for (unsigned int i = 0; i < in.signature.length(); i += 2) {
std::string byteString = in.signature.substr(i, 2);
signature[i>>1] = (char) strtol(byteString.c_str(), NULL, 16);
std::string byteString = in.signature.substr(i, 2);
signature[i>>1] = (char) strtol(byteString.c_str(), NULL, 16);
}
return true;
}
@@ -194,7 +199,7 @@ namespace offshore
return *this;
}
uint64_t pricing_record::operator[](const std::string asset_type) const
uint64_t pricing_record::operator[](const std::string& asset_type) const
{
if (asset_type == "XHV") {
return 1000000000000;
@@ -251,17 +256,44 @@ namespace offshore
!::memcmp(signature, other.signature, sizeof(signature)));
}
bool pricing_record::is_empty() const noexcept
bool pricing_record::empty() const noexcept
{
const pricing_record empty_pr = offshore::pricing_record();
return (*this).equal(empty_pr);
}
bool pricing_record::verifySignature(EVP_PKEY* public_key) const noexcept
bool pricing_record::verifySignature() const
{
// Sanity check - accept empty pricing records
if ((*this).is_empty())
return true;
// Oracle public keys
std::string const mainnet_public_key = "-----BEGIN PUBLIC KEY-----\n"
"MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE5YBxWx1AZCA9jTUk8Pr2uZ9jpfRt\n"
"KWv3Vo1/Gny+1vfaxsXhBQiG1KlHkafNGarzoL0WHW4ocqaaqF5iv8i35A==\n"
"-----END PUBLIC KEY-----\n";
std::string const testnet_public_key = "-----BEGIN PUBLIC KEY-----\n"
"MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEtWqvQh7OdXrdgXcDeBMRVfLWTW3F\n"
"wByeoVJFBfZymScJIJl46j66xG6ngnyj4ai4/QPFnSZ1I9jjMRlTWC4EPA==\n"
"-----END PUBLIC KEY-----\n";
std::string const stagenet_public_key = "-----BEGIN PUBLIC KEY-----\n"
"MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEtWqvQh7OdXrdgXcDeBMRVfLWTW3F\n"
"wByeoVJFBfZymScJIJl46j66xG6ngnyj4ai4/QPFnSZ1I9jjMRlTWC4EPA==\n"
"-----END PUBLIC KEY-----\n";
// Comment out all but 1 of the following lines to select the correct Oracle PK
std::string const public_key = mainnet_public_key;
//std::string const public_key = testnet_public_key;
//std::string const public_key = stagenet_public_key;
CHECK_AND_ASSERT_THROW_MES(!public_key.empty(), "Pricing record verification failed. NULL public key. PK Size: " << public_key.size()); // TODO: is this necessary or the one below already covers this case, meannin it will produce empty pubkey?
// extract the key
EVP_PKEY* pubkey;
BIO* bio = BIO_new_mem_buf(public_key.c_str(), public_key.size());
if (!bio) {
return false;
}
pubkey = PEM_read_bio_PUBKEY(bio, NULL, NULL, NULL);
BIO_free(bio);
CHECK_AND_ASSERT_THROW_MES(pubkey != NULL, "Pricing record verification failed. NULL public key.");
// Convert our internal 64-byte binary representation into 128-byte hex string
std::string sig_hex;
@@ -330,50 +362,23 @@ namespace offshore
compact += (byte);
}
// Check to see if we have been passed a public key to use
EVP_PKEY* pubkey = NULL;
if (public_key) {
// Take a copy for local use
pubkey = public_key;
} else {
// No public key provided - failover to embedded key
static const char public_key[] = "-----BEGIN PUBLIC KEY-----\n"
"MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE5YBxWx1AZCA9jTUk8Pr2uZ9jpfRt\n"
"KWv3Vo1/Gny+1vfaxsXhBQiG1KlHkafNGarzoL0WHW4ocqaaqF5iv8i35A==\n"
"-----END PUBLIC KEY-----\n";
BIO* bio = BIO_new_mem_buf(public_key, (int)sizeof(public_key));
if (!bio) {
return false;
}
pubkey = PEM_read_bio_PUBKEY(bio, NULL, NULL, NULL);
BIO_free(bio);
}
assert(pubkey != NULL);
// Create a verify digest from the message
EVP_MD_CTX *ctx = EVP_MD_CTX_create();
int ret = 0;
if (ctx) {
ret=EVP_DigestVerifyInit(ctx, NULL, EVP_sha256(), NULL, pubkey);
ret = EVP_DigestVerifyInit(ctx, NULL, EVP_sha256(), NULL, pubkey);
if (ret == 1) {
ret=EVP_DigestVerifyUpdate(ctx, message.data(), message.length());
if (ret == 1) {
ret=EVP_DigestVerifyFinal(ctx, (const unsigned char *)compact.data(), compact.length());
}
ret = EVP_DigestVerifyUpdate(ctx, message.data(), message.length());
if (ret == 1) {
ret = EVP_DigestVerifyFinal(ctx, (const unsigned char *)compact.data(), compact.length());
}
}
}
// Cleanup the context we created
EVP_MD_CTX_destroy(ctx);
// Was the key provided by the caller?
if (pubkey != public_key) {
// Cleanup the openssl stuff
EVP_PKEY_free(pubkey);
}
// Cleanup the openssl stuff
EVP_PKEY_free(pubkey);
if (ret == 1)
return true;
@@ -383,4 +388,68 @@ namespace offshore
return false;
}
void pricing_record::set_for_height_821428() {
const std::string pr_821428 = "9b3f6f2f8f0000003d620e1202000000be71be2555120000b8627010000000000000000000000000ea0885b2270d00000000000000000000f797ff9be00b0000ddbdb005270a0000fc90cfe02b01060000000000000000000000000000000000d0a28224000e000000d643be960e0000002e8bb6a40e000000f8a817f80d00002f5d27d45cdbfbac3d0f6577103f68de30895967d7562fbd56c161ae90130f54301b1ea9d5fd062f37dac75c3d47178bc6f149d21da1ff0e8430065cb762b93a";
this->xAG = 614976143259;
this->xAU = 8892867133;
this->xAUD = 20156914758078;
this->xBTC = 275800760;
this->xCAD = 0;
this->xCHF = 14464149948650;
this->xCNY = 0;
this->xEUR = 13059317798903;
this->xGBP = 11162715471325;
this->xJPY = 1690137827184892;
this->xNOK = 0;
this->xNZD = 0;
this->xUSD = 15393775330000;
this->unused1 = 16040600000000;
this->unused2 = 16100600000000;
this->unused3 = 15359200000000;
this->timestamp = 0;
std::string sig = "2f5d27d45cdbfbac3d0f6577103f68de30895967d7562fbd56c161ae90130f54301b1ea9d5fd062f37dac75c3d47178bc6f149d21da1ff0e8430065cb762b93a";
int j=0;
for (unsigned int i = 0; i < sig.size(); i += 2) {
std::string byteString = sig.substr(i, 2);
this->signature[j++] = (char) strtol(byteString.c_str(), NULL, 16);
}
}
// overload for pr validation for block
bool pricing_record::valid(uint32_t hf_version, uint64_t bl_timestamp, uint64_t last_bl_timestamp) const
{
// check for empty pr
if (hf_version >= HF_VERSION_XASSET_FEES_V2) {
if (this->empty())
return true;
} else {
unsigned char test_sig[64];
std::memset(test_sig, 0, sizeof(test_sig));
if (std::memcmp(test_sig, this->signature, sizeof(this->signature)) == 0) {
return true;
}
}
// verify the signature
if (!verifySignature()) {
LOG_ERROR("Invalid pricing record signature.");
return false;
}
// valiadte the timestmap
if (hf_version >= HF_VERSION_XASSET_FEES_V2) {
if (this->timestamp > bl_timestamp + PRICING_RECORD_VALID_TIME_DIFF_FROM_BLOCK) {
LOG_ERROR("Pricing record timestamp is too far in the future.");
return false;
}
if (this->timestamp <= last_bl_timestamp) {
LOG_ERROR("Pricing record timestamp is too old.");
return false;
}
}
return true;
}
}
src/offshore/pricing_record.h
+99 -30
View File
@@ -42,6 +42,8 @@
#include <cstdint>
#include <string>
#include <cstring>
#include "cryptonote_config.h"
#include "crypto/hash.h"
namespace epee
{
@@ -80,9 +82,61 @@ namespace offshore
class pricing_record
{
public:
public:
// Fields
// Fields
uint64_t xAG;
uint64_t xAU;
uint64_t xAUD;
uint64_t xBTC;
uint64_t xCAD;
uint64_t xCHF;
uint64_t xCNY;
uint64_t xEUR;
uint64_t xGBP;
uint64_t xJPY;
uint64_t xNOK;
uint64_t xNZD;
uint64_t xUSD;
uint64_t unused1;
uint64_t unused2;
uint64_t unused3;
uint64_t timestamp;
unsigned char signature[64];
// Default c'tor
pricing_record() noexcept;
//! Load from epee p2p format
bool _load(epee::serialization::portable_storage& src, epee::serialization::section* hparent);
//! Store in epee p2p format
bool store(epee::serialization::portable_storage& dest, epee::serialization::section* hparent) const;
pricing_record(const pricing_record& orig) noexcept;
~pricing_record() = default;
void set_for_height_821428();
bool equal(const pricing_record& other) const noexcept;
bool empty() const noexcept;
bool verifySignature() const;
bool valid(uint32_t hf_version, uint64_t bl_timestamp, uint64_t last_bl_timestamp) const;
pricing_record& operator=(const pricing_record& orig) noexcept;
uint64_t operator[](const std::string& asset_type) const;
};
inline bool operator==(const pricing_record& a, const pricing_record& b) noexcept
{
return a.equal(b);
}
inline bool operator!=(const pricing_record& a, const pricing_record& b) noexcept
{
return !a.equal(b);
}
// did not have a timestamp
class pricing_record_v1
{
public:
uint64_t xAG;
uint64_t xAU;
uint64_t xAUD;
@@ -102,37 +156,52 @@ namespace offshore
uint64_t timestamp;
unsigned char signature[64];
// Default c'tor
pricing_record() noexcept;
//! Load from epee p2p format
bool _load(epee::serialization::portable_storage& src, epee::serialization::section* hparent);
//! Store in epee p2p format
bool store(epee::serialization::portable_storage& dest, epee::serialization::section* hparent) const;
pricing_record(const pricing_record& orig) noexcept;
~pricing_record() = default;
pricing_record& operator=(const pricing_record& orig) noexcept;
bool write_to_pr(offshore::pricing_record &pr)
{
pr.xAG = xAG;
pr.xAU = xAU;
pr.xAUD = xAUD;
pr.xBTC = xBTC;
pr.xCAD = xCAD;
pr.xCHF = xCHF;
pr.xCNY = xCNY;
pr.xEUR = xEUR;
pr.xGBP = xGBP;
pr.xJPY = xJPY;
pr.xNOK = xNOK;
pr.xNZD = xNZD;
pr.xUSD = xUSD;
pr.unused1 = unused1;
pr.unused2 = unused2;
pr.unused3 = unused3;
pr.timestamp = 0;
::memcpy(pr.signature, signature, sizeof(pr.signature));
return true;
};
uint64_t operator[](const std::string asset_type) const;
bool equal(const pricing_record& other) const noexcept;
bool is_empty() const noexcept;
bool verifySignature(EVP_PKEY* public_key = NULL) const noexcept;
bool read_from_pr(offshore::pricing_record &pr)
{
xAG = pr.xAG;
xAU = pr.xAU;
xAUD = pr.xAUD;
xBTC = pr.xBTC;
xCAD = pr.xCAD;
xCHF = pr.xCHF;
xCNY = pr.xCNY;
xEUR = pr.xEUR;
xGBP = pr.xGBP;
xJPY = pr.xJPY;
xNOK = pr.xNOK;
xNZD = pr.xNZD;
xUSD = pr.xUSD;
unused1 = pr.unused1;
unused2 = pr.unused2;
unused3 = pr.unused3;
::memcpy(signature, pr.signature, sizeof(signature));
return true;
};
};
inline bool operator==(const pricing_record& a, const pricing_record& b) noexcept
{
return a.equal(b);
}
inline bool operator!=(const pricing_record& a, const pricing_record& b) noexcept
{
return !a.equal(b);
}
// did not have a timestamp
class pricing_record_v1
{