updated to support Haven 2.0 (untested)
This commit is contained in:
Neil Coggins
committed by
MoneroOcean
MoneroOcean
parent
22f9cf0bca
commit
f5ccc22d2c
+112
-43
@@ -32,6 +32,11 @@
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#include "serialization/keyvalue_serialization.h"
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#include "storages/portable_storage.h"
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#include "string_tools.h"
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#define PRICING_RECORD_VALID_BLOCKS 10
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#define PRICING_RECORD_VALID_TIME_DIFF_FROM_BLOCK 120 // seconds
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namespace offshore
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{
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@@ -127,8 +132,8 @@ namespace offshore
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unused3 = in.unused3;
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timestamp = in.timestamp;
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for (unsigned int i = 0; i < in.signature.length(); i += 2) {
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std::string byteString = in.signature.substr(i, 2);
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signature[i>>1] = (char) strtol(byteString.c_str(), NULL, 16);
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std::string byteString = in.signature.substr(i, 2);
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signature[i>>1] = (char) strtol(byteString.c_str(), NULL, 16);
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}
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return true;
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}
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@@ -194,7 +199,7 @@ namespace offshore
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return *this;
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}
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uint64_t pricing_record::operator[](const std::string asset_type) const
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uint64_t pricing_record::operator[](const std::string& asset_type) const
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{
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if (asset_type == "XHV") {
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return 1000000000000;
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@@ -251,17 +256,44 @@ namespace offshore
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!::memcmp(signature, other.signature, sizeof(signature)));
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}
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bool pricing_record::is_empty() const noexcept
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bool pricing_record::empty() const noexcept
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{
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const pricing_record empty_pr = offshore::pricing_record();
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return (*this).equal(empty_pr);
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}
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bool pricing_record::verifySignature(EVP_PKEY* public_key) const noexcept
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bool pricing_record::verifySignature() const
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{
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// Sanity check - accept empty pricing records
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if ((*this).is_empty())
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return true;
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// Oracle public keys
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std::string const mainnet_public_key = "-----BEGIN PUBLIC KEY-----\n"
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"MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE5YBxWx1AZCA9jTUk8Pr2uZ9jpfRt\n"
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"KWv3Vo1/Gny+1vfaxsXhBQiG1KlHkafNGarzoL0WHW4ocqaaqF5iv8i35A==\n"
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"-----END PUBLIC KEY-----\n";
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std::string const testnet_public_key = "-----BEGIN PUBLIC KEY-----\n"
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"MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEtWqvQh7OdXrdgXcDeBMRVfLWTW3F\n"
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"wByeoVJFBfZymScJIJl46j66xG6ngnyj4ai4/QPFnSZ1I9jjMRlTWC4EPA==\n"
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"-----END PUBLIC KEY-----\n";
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std::string const stagenet_public_key = "-----BEGIN PUBLIC KEY-----\n"
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"MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEtWqvQh7OdXrdgXcDeBMRVfLWTW3F\n"
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"wByeoVJFBfZymScJIJl46j66xG6ngnyj4ai4/QPFnSZ1I9jjMRlTWC4EPA==\n"
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"-----END PUBLIC KEY-----\n";
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// Comment out all but 1 of the following lines to select the correct Oracle PK
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std::string const public_key = mainnet_public_key;
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//std::string const public_key = testnet_public_key;
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//std::string const public_key = stagenet_public_key;
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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?
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// extract the key
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EVP_PKEY* pubkey;
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BIO* bio = BIO_new_mem_buf(public_key.c_str(), public_key.size());
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if (!bio) {
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return false;
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}
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pubkey = PEM_read_bio_PUBKEY(bio, NULL, NULL, NULL);
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BIO_free(bio);
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CHECK_AND_ASSERT_THROW_MES(pubkey != NULL, "Pricing record verification failed. NULL public key.");
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// Convert our internal 64-byte binary representation into 128-byte hex string
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std::string sig_hex;
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@@ -330,50 +362,23 @@ namespace offshore
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compact += (byte);
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}
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// Check to see if we have been passed a public key to use
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EVP_PKEY* pubkey = NULL;
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if (public_key) {
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// Take a copy for local use
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pubkey = public_key;
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} else {
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// No public key provided - failover to embedded key
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static const char public_key[] = "-----BEGIN PUBLIC KEY-----\n"
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"MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE5YBxWx1AZCA9jTUk8Pr2uZ9jpfRt\n"
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"KWv3Vo1/Gny+1vfaxsXhBQiG1KlHkafNGarzoL0WHW4ocqaaqF5iv8i35A==\n"
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"-----END PUBLIC KEY-----\n";
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BIO* bio = BIO_new_mem_buf(public_key, (int)sizeof(public_key));
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if (!bio) {
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return false;
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}
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pubkey = PEM_read_bio_PUBKEY(bio, NULL, NULL, NULL);
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BIO_free(bio);
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}
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assert(pubkey != NULL);
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// Create a verify digest from the message
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EVP_MD_CTX *ctx = EVP_MD_CTX_create();
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int ret = 0;
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if (ctx) {
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ret=EVP_DigestVerifyInit(ctx, NULL, EVP_sha256(), NULL, pubkey);
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ret = EVP_DigestVerifyInit(ctx, NULL, EVP_sha256(), NULL, pubkey);
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if (ret == 1) {
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ret=EVP_DigestVerifyUpdate(ctx, message.data(), message.length());
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if (ret == 1) {
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ret=EVP_DigestVerifyFinal(ctx, (const unsigned char *)compact.data(), compact.length());
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}
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ret = EVP_DigestVerifyUpdate(ctx, message.data(), message.length());
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if (ret == 1) {
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ret = EVP_DigestVerifyFinal(ctx, (const unsigned char *)compact.data(), compact.length());
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}
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}
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}
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// Cleanup the context we created
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EVP_MD_CTX_destroy(ctx);
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// Was the key provided by the caller?
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if (pubkey != public_key) {
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// Cleanup the openssl stuff
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EVP_PKEY_free(pubkey);
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}
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// Cleanup the openssl stuff
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EVP_PKEY_free(pubkey);
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if (ret == 1)
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return true;
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@@ -383,4 +388,68 @@ namespace offshore
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return false;
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}
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void pricing_record::set_for_height_821428() {
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const std::string pr_821428 = "9b3f6f2f8f0000003d620e1202000000be71be2555120000b8627010000000000000000000000000ea0885b2270d00000000000000000000f797ff9be00b0000ddbdb005270a0000fc90cfe02b01060000000000000000000000000000000000d0a28224000e000000d643be960e0000002e8bb6a40e000000f8a817f80d00002f5d27d45cdbfbac3d0f6577103f68de30895967d7562fbd56c161ae90130f54301b1ea9d5fd062f37dac75c3d47178bc6f149d21da1ff0e8430065cb762b93a";
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this->xAG = 614976143259;
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this->xAU = 8892867133;
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this->xAUD = 20156914758078;
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this->xBTC = 275800760;
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this->xCAD = 0;
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this->xCHF = 14464149948650;
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this->xCNY = 0;
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this->xEUR = 13059317798903;
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this->xGBP = 11162715471325;
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this->xJPY = 1690137827184892;
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this->xNOK = 0;
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this->xNZD = 0;
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this->xUSD = 15393775330000;
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this->unused1 = 16040600000000;
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this->unused2 = 16100600000000;
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this->unused3 = 15359200000000;
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this->timestamp = 0;
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std::string sig = "2f5d27d45cdbfbac3d0f6577103f68de30895967d7562fbd56c161ae90130f54301b1ea9d5fd062f37dac75c3d47178bc6f149d21da1ff0e8430065cb762b93a";
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int j=0;
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for (unsigned int i = 0; i < sig.size(); i += 2) {
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std::string byteString = sig.substr(i, 2);
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this->signature[j++] = (char) strtol(byteString.c_str(), NULL, 16);
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}
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}
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// overload for pr validation for block
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bool pricing_record::valid(uint32_t hf_version, uint64_t bl_timestamp, uint64_t last_bl_timestamp) const
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{
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// check for empty pr
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if (hf_version >= HF_VERSION_XASSET_FEES_V2) {
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if (this->empty())
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return true;
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} else {
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unsigned char test_sig[64];
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std::memset(test_sig, 0, sizeof(test_sig));
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if (std::memcmp(test_sig, this->signature, sizeof(this->signature)) == 0) {
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return true;
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}
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}
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// verify the signature
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if (!verifySignature()) {
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LOG_ERROR("Invalid pricing record signature.");
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return false;
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}
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// valiadte the timestmap
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if (hf_version >= HF_VERSION_XASSET_FEES_V2) {
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if (this->timestamp > bl_timestamp + PRICING_RECORD_VALID_TIME_DIFF_FROM_BLOCK) {
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LOG_ERROR("Pricing record timestamp is too far in the future.");
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return false;
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}
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if (this->timestamp <= last_bl_timestamp) {
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LOG_ERROR("Pricing record timestamp is too old.");
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return false;
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}
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}
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return true;
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}
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}
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