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fluid.cpp
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fluid.cpp
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// Copyright (c) 2016-2021 Duality Blockchain Solutions Developers
#include "fluid.h"
#include "bdap/domainentry.h"
#include "bdap/domainentrydb.h"
#include "bdap/utils.h"
#include "chain.h"
#include "core_io.h"
#include "keepass.h"
#include "net.h"
#include "netbase.h"
#include "timedata.h"
#include "txmempool.h"
#include "util.h"
#include "utilmoneystr.h"
#include "utiltime.h"
#include "validation.h"
#include "wallet/wallet.h"
#include "wallet/walletdb.h"
CFluid fluid;
#ifdef ENABLE_WALLET
extern CWallet* pwalletMain;
#endif //ENABLE_WALLET
bool IsTransactionFluid(const CScript& txOut)
{
return (txOut.IsProtocolInstruction(MINT_TX) || txOut.IsProtocolInstruction(DYNODE_MODFIY_TX) || txOut.IsProtocolInstruction(MINING_MODIFY_TX) ||
txOut.IsProtocolInstruction(BDAP_REVOKE_TX));
}
bool IsTransactionFluid(const CTransaction& tx, CScript& fluidScript)
{
for (const CTxOut& txout : tx.vout) {
CScript txOut = txout.scriptPubKey;
if (IsTransactionFluid(txOut)) {
fluidScript = txOut;
return true;
}
}
return false;
}
int GetFluidOpCode(const CScript& fluidScript)
{
if (fluidScript.IsProtocolInstruction(MINT_TX)) {
return OP_MINT;
} else if (fluidScript.IsProtocolInstruction(DYNODE_MODFIY_TX)) {
return OP_REWARD_DYNODE;
} else if (fluidScript.IsProtocolInstruction(MINING_MODIFY_TX)) {
return OP_REWARD_MINING;
} else if (fluidScript.IsProtocolInstruction(BDAP_REVOKE_TX)) {
return OP_BDAP_REVOKE;
}
return 0;
}
/** Initialise sovereign identities that are able to run fluid commands */
std::vector<std::pair<std::string, CDynamicAddress> > CFluidParameters::InitialiseSovereignIdentities()
{
std::vector<std::pair<std::string, CDynamicAddress> > x;
if (Params().NetworkIDString() == CBaseChainParams::MAIN) {
x.push_back(std::make_pair("CEO", CDynamicAddress("D9avNWVBmaUNevMNnkcLMrQpze8M2mKURu")));
x.push_back(std::make_pair("CTO", CDynamicAddress("DRoyjRoxP4qfeAiiZHX1dmSkbUJiBSXBt7")));
x.push_back(std::make_pair("CFO", CDynamicAddress("DHkD6oBQ5PtCiKo4wX8CRWrG61Vy5hEu4t")));
x.push_back(std::make_pair("COO", CDynamicAddress("DKyqamefa7YdbqrP5pdTfNVVuq1gerNhMH")));
x.push_back(std::make_pair("CDOO", CDynamicAddress("DUDE1zFKK4fezCgcxdGbFh4yHJMcg8qpoP")));
} else if (Params().NetworkIDString() == CBaseChainParams::TESTNET) {
x.push_back(std::make_pair("Test01", CDynamicAddress("DSCex4e189aULrig3nLd42gVf7AbjTwnP5"))); //importprivkey QVKXuZ2hSo2cT9BhkN3CApLuZYVsuzNvidJRt1ucyniHheZ2Pfq5
x.push_back(std::make_pair("Test02", CDynamicAddress("DMAh37n3RUdDxox3uiWAnc1zEPp5yFbHiL"))); //importprivkey QU4VGDcVoej7nDZiyaSgoL7foG8xKiaVyk5odHnJdtyv4tYkmBw1
x.push_back(std::make_pair("Test03", CDynamicAddress("DN4KvqtXyygooPV3oha72TyBB5nqBbkxwj"))); //importprivkey QWjTe6sCFVtKBsXfrYDyrHzn7eBeJktsQnWzfiANkMd9PhVM4Qnp
x.push_back(std::make_pair("Test04", CDynamicAddress("DHVmS621KBBZJTJSxGDdLxoU7LCmpexWDa"))); //importprivkey QScWuazWgWDTj8cXXz1YFKJW7mNJHJgMFY2FB6hkNyh3SJDUhPZt
x.push_back(std::make_pair("Test05", CDynamicAddress("DCZXDSRB3cJdCCUSerE4pvSfGQoXUivUxo"))); //importprivkey QUt4pEDanRPzos3meoiNGUG9g7RctCtiwLoPjhDKfNPK99oLuzcU
} else if (Params().NetworkIDString() == CBaseChainParams::REGTEST) {
x.push_back(std::make_pair("RegTest01", CDynamicAddress("DSCex4e189aULrig3nLd42gVf7AbjTwnP5"))); //importprivkey QVKXuZ2hSo2cT9BhkN3CApLuZYVsuzNvidJRt1ucyniHheZ2Pfq5
x.push_back(std::make_pair("RegTest02", CDynamicAddress("DMAh37n3RUdDxox3uiWAnc1zEPp5yFbHiL"))); //importprivkey QU4VGDcVoej7nDZiyaSgoL7foG8xKiaVyk5odHnJdtyv4tYkmBw1
x.push_back(std::make_pair("RegTest03", CDynamicAddress("DN4KvqtXyygooPV3oha72TyBB5nqBbkxwj"))); //importprivkey QWjTe6sCFVtKBsXfrYDyrHzn7eBeJktsQnWzfiANkMd9PhVM4Qnp
x.push_back(std::make_pair("RegTest04", CDynamicAddress("DHVmS621KBBZJTJSxGDdLxoU7LCmpexWDa"))); //importprivkey QScWuazWgWDTj8cXXz1YFKJW7mNJHJgMFY2FB6hkNyh3SJDUhPZt
x.push_back(std::make_pair("RegTest05", CDynamicAddress("DCZXDSRB3cJdCCUSerE4pvSfGQoXUivUxo"))); //importprivkey QUt4pEDanRPzos3meoiNGUG9g7RctCtiwLoPjhDKfNPK99oLuzcU
}
else if (Params().NetworkIDString() == CBaseChainParams::PRIVATENET) {
x.push_back(std::make_pair("Priv01", CDynamicAddress("D6wUMdGtoXtj4zjyk4kYu6cL8LM5j6bEd7"))); //importprivkey QUQsWaE1LRdW95gLgyQgjkUjR4eqhbigmDHENzyTVYy7JCgQcYMd
x.push_back(std::make_pair("Priv02", CDynamicAddress("DKLWazjY91KKWekxPxwjznx56tX1KYtTiy"))); //importprivkey QWR6WRSKZZrpDBM3q2jqyhB5xmE5YDdc72trHzznTLwBEJBbeWKm
x.push_back(std::make_pair("Priv03", CDynamicAddress("DNsEXkNEdzvNbR3zjaDa3TEVPtwR6Efbmd"))); //importprivkey QPWaY6RAm44zFQ9gktpHFwaCLQc1nCGwPaVAnXAZsFMyGXzLce35
x.push_back(std::make_pair("Priv04", CDynamicAddress("DG2NCt5Z35cLRYnNCDXdVJTbPh3NSScAmF"))); //importprivkey QRF11rngYqeVv4mSE4SCGU8P3MQgZwJaRQQJsknjVa5QqhkFCGW4
x.push_back(std::make_pair("Priv05", CDynamicAddress("DRqqngX1mPUjKFXPQDdHRmy2jBk9DKUjkx"))); //importprivkey QQja2KMbhyaat4HJLUiEr2PVmb33CtuVN7KgbmTq9ivVwnaZvFUE
}
return x;
}
std::vector<std::string> InitialiseAddresses()
{
CFluidParameters params;
return params.InitialiseAddresses();
}
std::vector<std::string> CFluidParameters::InitialiseAddresses()
{
std::vector<std::string> initialSovereignAddresses;
std::vector<std::pair<std::string, CDynamicAddress> > fluidIdentities = InitialiseSovereignIdentities();
for (const std::pair<std::string, CDynamicAddress>& sovereignId : fluidIdentities) {
initialSovereignAddresses.push_back(sovereignId.second.ToString());
}
return initialSovereignAddresses;
}
std::vector<std::vector<unsigned char> > CFluidParameters::InitialiseAddressCharVector()
{
std::vector<std::vector<unsigned char> > initialSovereignAddresses;
std::vector<std::pair<std::string, CDynamicAddress> > fluidIdentities = InitialiseSovereignIdentities();
for (const std::pair<std::string, CDynamicAddress>& sovereignId : fluidIdentities) {
initialSovereignAddresses.push_back(CharVectorFromString(sovereignId.second.ToString()));
}
return initialSovereignAddresses;
}
/** Checks fluid transactoin operation script amount for invalid values. */
bool CFluid::CheckFluidOperationScript(const CScript& fluidScriptPubKey, const int64_t& timeStamp, std::string& errorMessage, const bool fSkipTimeStampCheck)
{
std::string strFluidOpScript = ScriptToAsmStr(fluidScriptPubKey);
std::string verificationWithoutOpCode = GetRidOfScriptStatement(strFluidOpScript);
std::string strOperationCode = GetRidOfScriptStatement(strFluidOpScript, 0);
if (!fSkipTimeStampCheck) {
if (!ExtractCheckTimestamp(strOperationCode, strFluidOpScript, timeStamp)) {
errorMessage = "CheckFluidOperationScript fluid timestamp is too old.";
return false;
}
}
if (IsHex(verificationWithoutOpCode)) {
std::string strUnHexedFluidOpScript = HexToString(verificationWithoutOpCode);
std::vector<std::string> vecSplitScript;
SeparateString(strUnHexedFluidOpScript, vecSplitScript, "$");
if (strOperationCode == "OP_MINT" || strOperationCode == "OP_REWARD_MINING" || strOperationCode == "OP_REWARD_DYNODE") {
if (vecSplitScript.size() > 1) {
std::string strAmount = vecSplitScript[0];
CAmount fluidAmount;
if (ParseFixedPoint(strAmount, 8, &fluidAmount)) {
if ((strOperationCode == "OP_REWARD_MINING" || strOperationCode == "OP_REWARD_DYNODE") && fluidAmount < 0) {
errorMessage = "CheckFluidOperationScript fluid reward amount is less than zero: " + strAmount;
return false;
} else if (strOperationCode == "OP_MINT" && (fluidAmount > FLUID_MAX_FOR_MINT)) {
errorMessage = "CheckFluidOperationScript fluid OP_MINT amount exceeds maximum: " + strAmount;
return false;
} else if (strOperationCode == "OP_REWARD_MINING" && (fluidAmount > FLUID_MAX_REWARD_FOR_MINING)) {
errorMessage = "CheckFluidOperationScript fluid OP_REWARD_MINING amount exceeds maximum: " + strAmount;
return false;
} else if (strOperationCode == "OP_REWARD_DYNODE" && (fluidAmount > FLUID_MAX_REWARD_FOR_DYNODE)) {
errorMessage = "CheckFluidOperationScript fluid OP_REWARD_DYNODE amount exceeds maximum: " + strAmount;
return false;
}
}
} else {
errorMessage = "CheckFluidOperationScript fluid token invalid. " + strUnHexedFluidOpScript;
return false;
}
}
else if (strOperationCode == "OP_BDAP_REVOKE") {
if (vecSplitScript.size() > 1) {
if (!fSkipTimeStampCheck) {
for (uint32_t iter = 1; iter != vecSplitScript.size(); iter++) {
CDomainEntry entry;
std::string strBanAccountFQDN = DecodeBase64(vecSplitScript[iter]);
std::vector<unsigned char> vchBanAccountFQDN = vchFromString(strBanAccountFQDN);
if (!DomainEntryExists(vchBanAccountFQDN)) {
LogPrintf("%s -- Can't ban %s account because it was not found.\n", __func__, strBanAccountFQDN);
errorMessage = strprintf("Skipping... Can't ban %s account because it was not found.", strBanAccountFQDN);
}
}
}
}
else {
errorMessage = strprintf("CheckFluidOperationScript fluid OP_BDAP_REVOKE incorrect paramaters %d", vecSplitScript.size());
return false;
}
}
else {
errorMessage = strprintf("%s -- %s is an unknown fluid operation", __func__, strOperationCode);
return false;
}
} else {
errorMessage = "CheckFluidOperationScript fluid token is not hex. " + verificationWithoutOpCode;
return false;
}
return true;
}
/** Checks whether fluid transaction is in the memory pool already */
bool CFluid::CheckIfExistsInMemPool(const CTxMemPool& pool, const CScript& fluidScriptPubKey, std::string& errorMessage)
{
for (const CTxMemPoolEntry& e : pool.mapTx) {
const CTransaction& tx = e.GetTx();
for (const CTxOut& txOut : tx.vout) {
if (IsTransactionFluid(txOut.scriptPubKey)) {
std::string strNewFluidScript = ScriptToAsmStr(fluidScriptPubKey);
std::string strMemPoolFluidScript = ScriptToAsmStr(txOut.scriptPubKey);
std::string strNewTxWithoutOpCode = GetRidOfScriptStatement(strNewFluidScript);
std::string strMemPoolTxWithoutOpCode = GetRidOfScriptStatement(strMemPoolFluidScript);
if (strNewTxWithoutOpCode == strMemPoolTxWithoutOpCode) {
errorMessage = "CheckIfExistsInMemPool: fluid transaction is already in the memory pool!";
LogPrintf("CheckIfExistsInMemPool: fluid transaction, %s is already in the memory pool! %s\n", tx.GetHash().ToString(), strNewTxWithoutOpCode);
return true;
}
}
}
}
return false;
}
bool CFluid::CheckAccountBanScript(const CScript& fluidScript, const uint256& txHashId, const unsigned int& nHeight, std::vector<CDomainEntry>& vBanAccounts, std::string& strErrorMessage)
{
std::string strFluidOpScript = ScriptToAsmStr(fluidScript);
std::string verificationWithoutOpCode = GetRidOfScriptStatement(strFluidOpScript);
if (!IsHex(verificationWithoutOpCode)) {
strErrorMessage = "Fluid token is not a valid hexidecimal value.";
return false;
}
std::string strUnHexedFluidOpScript = HexToString(verificationWithoutOpCode);
std::vector<std::string> vecSplitScript;
SeparateString(strUnHexedFluidOpScript, vecSplitScript, "$");
if (vecSplitScript.size() == 0) {
strErrorMessage = "Could not split fluid command script.";
return false;
}
for (uint32_t iter = 1; iter != vecSplitScript.size(); iter++) {
CDomainEntry entry;
std::string strBanAccountFQDN = DecodeBase64(vecSplitScript[iter]);
std::vector<unsigned char> vchBanAccountFQDN = vchFromString(strBanAccountFQDN);
if (GetDomainEntry(vchBanAccountFQDN, entry)) {
vBanAccounts.push_back(entry);
}
else {
LogPrintf("%s -- Skipping... Can't ban %s account because it was not found.\n", __func__, strBanAccountFQDN);
}
}
return true;
}
/** Checks whether as to parties have actually signed it - please use this with ones with the OP_CODE */
bool CFluid::CheckIfQuorumExists(const std::string& consentToken, std::string& message, const bool individual)
{
std::vector<std::string> fluidSovereigns;
std::pair<CDynamicAddress, bool> keyOne;
std::pair<CDynamicAddress, bool> keyTwo;
std::pair<CDynamicAddress, bool> keyThree;
keyOne.second = false, keyTwo.second = false;
keyThree.second = false;
GetLastBlockIndex(chainActive.Tip());
CBlockIndex* pindex = chainActive.Tip();
if (pindex != NULL) {
//TODO fluid
fluidSovereigns = InitialiseAddresses();
} else
fluidSovereigns = InitialiseAddresses();
for (const std::string& address : fluidSovereigns) {
CDynamicAddress attemptKey, xAddress(address);
if (!xAddress.IsValid())
return false;
if (GenericVerifyInstruction(consentToken, attemptKey, message, 1) && xAddress == attemptKey) {
keyOne = std::make_pair(attemptKey.ToString(), true);
}
if (GenericVerifyInstruction(consentToken, attemptKey, message, 2) && xAddress == attemptKey) {
keyTwo = std::make_pair(attemptKey.ToString(), true);
}
if (GenericVerifyInstruction(consentToken, attemptKey, message, 3) && xAddress == attemptKey) {
keyThree = std::make_pair(attemptKey.ToString(), true);
}
}
bool fValid = (keyOne.first.ToString() != keyTwo.first.ToString() && keyTwo.first.ToString() != keyThree.first.ToString() && keyOne.first.ToString() != keyThree.first.ToString());
LogPrintf("CheckIfQuorumExists(): Addresses validating this consent token are: %s, %s and %s\n", keyOne.first.ToString(), keyTwo.first.ToString(), keyThree.first.ToString());
if (individual)
return (keyOne.second || keyTwo.second || keyThree.second);
else if (fValid)
return (keyOne.second && keyTwo.second && keyThree.second);
return false;
}
/** Checks whether as to parties have actually signed it - please use this with ones **without** the OP_CODE */
bool CFluid::CheckNonScriptQuorum(const std::string& consentToken, std::string& message, const bool individual)
{
std::string result = "12345 " + consentToken;
return CheckIfQuorumExists(result, message, individual);
}
/** It will append a signature of the new information */
bool CFluid::GenericConsentMessage(const std::string& message, std::string& signedString, const CDynamicAddress& signer)
{
std::string token, digest;
if (!IsHex(message))
return false;
if (!CheckNonScriptQuorum(message, token, true))
return false;
if (token == "")
return false;
if (!SignTokenMessage(signer, token, digest, false))
return false;
std::string strConvertedMessage = message;
ConvertToString(strConvertedMessage);
signedString = StitchString(strConvertedMessage, digest, false);
ConvertToHex(signedString);
return true;
}
/** Extract timestamp from a Fluid Transaction */
bool CFluid::ExtractCheckTimestamp(const std::string& strOpCode, const std::string& consentToken, const int64_t& timeStamp)
{
std::string consentTokenNoScript = GetRidOfScriptStatement(consentToken);
std::string dehexString = HexToString(consentTokenNoScript);
std::vector<std::string> strs, ptrs;
SeparateString(dehexString, strs, false);
if (strs.size() == 0)
return false;
SeparateString(strs.at(0), ptrs, true);
if (1 >= (int)strs.size())
return false;
std::string ls;
if (strOpCode == "OP_MINT" || strOpCode == "OP_REWARD_MINING" || strOpCode == "OP_REWARD_DYNODE") {
ls = ptrs.at(1);
}
else if (strOpCode == "OP_BDAP_REVOKE") {
ls = ptrs.at(0);
}
else {
return false;
}
ScrubString(ls, true);
int64_t tokenTimeStamp;
ParseInt64(ls, &tokenTimeStamp);
if (timeStamp > tokenTimeStamp + fluid.MAX_FLUID_TIME_DISTORT)
return false;
return true;
}
bool CFluid::ProcessFluidToken(const std::string& consentToken, std::vector<std::string>& ptrs, const int& strVecNo)
{
std::string consentTokenNoScript = GetRidOfScriptStatement(consentToken);
std::string message;
if (!CheckNonScriptQuorum(consentTokenNoScript, message))
return false;
std::string dehexString = HexToString(consentTokenNoScript);
std::vector<std::string> strs;
SeparateString(dehexString, strs, false);
SeparateString(strs.at(0), ptrs, true);
if (strVecNo >= (int)strs.size())
return false;
return true;
}
/** It gets a number from the ASM of an OP_CODE without signature verification */
bool CFluid::GenericParseNumber(const std::string consentToken, const int64_t timeStamp, CAmount& coinAmount, bool txCheckPurpose)
{
std::vector<std::string> ptrs;
if (!ProcessFluidToken(consentToken, ptrs, 1))
return false;
std::string lr = ptrs.at(0);
ScrubString(lr, true);
std::string ls = ptrs.at(1);
ScrubString(ls, true);
int64_t tokenTimeStamp;
ParseInt64(ls, &tokenTimeStamp);
if (timeStamp > tokenTimeStamp + fluid.MAX_FLUID_TIME_DISTORT && !txCheckPurpose)
return false;
ParseFixedPoint(lr, 8, &coinAmount);
return true;
}
CDynamicAddress CFluid::GetAddressFromDigestSignature(const std::string& digestSignature, const std::string& messageTokenKey)
{
bool fInvalid = false;
std::vector<unsigned char> vchSig = DecodeBase64(digestSignature.c_str(), &fInvalid);
if (fInvalid) {
LogPrintf("GetAddressFromDigestSignature(): Digest Signature Found Invalid, Signature: %s \n", digestSignature);
return nullptr;
}
CHashWriter ss(SER_GETHASH, 0);
ss << strMessageMagic;
ss << messageTokenKey;
CPubKey pubkey;
if (!pubkey.RecoverCompact(ss.GetHash(), vchSig)) {
LogPrintf("GetAddressFromDigestSignature(): Public Key Recovery Failed! Hash: %s\n", ss.GetHash().ToString());
return nullptr;
}
CDynamicAddress newAddress;
newAddress.Set(pubkey.GetID());
return newAddress;
}
/** Individually checks the validity of an instruction */
bool CFluid::GenericVerifyInstruction(const std::string& consentToken, CDynamicAddress& signer, std::string& messageTokenKey, const int& whereToLook)
{
std::string consentTokenNoScript = GetRidOfScriptStatement(consentToken);
messageTokenKey = "";
std::vector<std::string> strs;
ConvertToString(consentTokenNoScript);
SeparateString(consentTokenNoScript, strs, false);
messageTokenKey = strs.at(0);
/* Don't even bother looking there there aren't enough digest keys or we are checking in the wrong place */
if (whereToLook >= (int)strs.size() || whereToLook == 0)
return false;
std::string digestSignature = strs.at(whereToLook);
signer = GetAddressFromDigestSignature(digestSignature, messageTokenKey);
return true;
}
bool CFluid::ParseMintKey(const int64_t& nTime, CDynamicAddress& destination, CAmount& coinAmount, const std::string& uniqueIdentifier, const bool txCheckPurpose)
{
std::vector<std::string> ptrs;
if (!ProcessFluidToken(uniqueIdentifier, ptrs, 1))
return false;
if (2 >= (int)ptrs.size())
return false;
std::string lr = ptrs.at(0);
ScrubString(lr, true);
std::string ls = ptrs.at(1);
ScrubString(ls, true);
int64_t tokenTimeStamp;
ParseInt64(ls, &tokenTimeStamp);
if (nTime > tokenTimeStamp + fluid.MAX_FLUID_TIME_DISTORT && !txCheckPurpose)
return false;
ParseFixedPoint(lr, 8, &coinAmount);
std::string recipientAddress = ptrs.at(2);
destination.SetString(recipientAddress);
if (!destination.IsValid())
return false;
LogPrintf("ParseMintKey(): Token Data -- Address %s | Coins to be minted: %s | Time: %s\n", ptrs.at(2), coinAmount / COIN, ls);
return true;
}
bool GetFluidBlock(const CBlockIndex* pblockindex, CBlock& block)
{
if (pblockindex != nullptr) {
// Check for invalid block position and file.
const CDiskBlockPos pos = pblockindex->GetBlockPos();
if (pos.nFile > -1 && pos.nPos > 0) {
if (!ReadBlockFromDisk(block, pblockindex, Params().GetConsensus())) {
LogPrintf("Unable to read from disk! Highly unlikely but has occured, may be bug or damaged blockchain copy!\n");
return false;
}
} else {
return false;
}
} else {
return false;
}
return true;
}
bool CFluid::GetMintingInstructions(const CBlockIndex* pblockindex, CDynamicAddress& toMintAddress, CAmount& mintAmount)
{
CBlock block;
if (GetFluidBlock(pblockindex, block)) {
for (const CTransactionRef& tx : block.vtx) {
for (const CTxOut& txout : tx->vout) {
if (txout.scriptPubKey.IsProtocolInstruction(MINT_TX)) {
std::string message;
if (CheckIfQuorumExists(ScriptToAsmStr(txout.scriptPubKey), message))
return ParseMintKey(block.nTime, toMintAddress, mintAmount, ScriptToAsmStr(txout.scriptPubKey));
}
}
}
}
return false;
}
/* Check if transaction exists in record */
bool CFluid::CheckTransactionInRecord(const CScript& fluidInstruction, CBlockIndex* pindex)
{
if (IsTransactionFluid(fluidInstruction)) {
std::string verificationString = ScriptToAsmStr(fluidInstruction);
std::vector<std::string> transactionRecord;
std::string verificationWithoutOpCode = GetRidOfScriptStatement(verificationString);
std::string message;
if (CheckIfQuorumExists(verificationString, message)) {
for (const std::string& existingRecord : transactionRecord) {
std::string existingWithoutOpCode = GetRidOfScriptStatement(existingRecord);
LogPrint("fluid", "CheckTransactionInRecord(): operation code removed. existingRecord = %s verificationString = %s\n", existingWithoutOpCode, verificationWithoutOpCode);
if (existingWithoutOpCode == verificationWithoutOpCode) {
LogPrintf("CheckTransactionInRecord(): Attempt to repeat Fluid Transaction: %s\n", existingRecord);
return true;
}
}
}
}
return false;
}
CAmount GetStandardPoWBlockPayment(const int& nHeight)
{
if (nHeight == 1) {
CAmount nSubsidy = INITIAL_SUPERBLOCK_PAYMENT;
LogPrint("superblock creation", "GetStandardPoWBlockPayment() : create=%s nSubsidy=%d\n", FormatMoney(nSubsidy), nSubsidy);
return nSubsidy;
} else if (nHeight > 1 && nHeight <= Params().GetConsensus().nRewardsStart) {
LogPrint("zero-reward block creation", "GetStandardPoWBlockPayment() : create=%s nSubsidy=%d\n", FormatMoney(BLOCKCHAIN_INIT_REWARD), BLOCKCHAIN_INIT_REWARD);
return BLOCKCHAIN_INIT_REWARD; // Burn transaction fees
} else if (nHeight > Params().GetConsensus().nRewardsStart) {
LogPrint("creation", "GetStandardPoWBlockPayment() : create=%s PoW Reward=%d\n", FormatMoney(PHASE_1_POW_REWARD), PHASE_1_POW_REWARD);
return PHASE_1_POW_REWARD; // 1 DYN and burn transaction fees
} else
return BLOCKCHAIN_INIT_REWARD; // Burn transaction fees
}
CAmount GetStandardDynodePayment(const int& nHeight)
{
if (nHeight > Params().GetConsensus().nDynodePaymentsStartBlock) {
LogPrint("fluid", "GetStandardDynodePayment() : create=%s DN Payment=%d\n", FormatMoney(PHASE_2_DYNODE_PAYMENT), PHASE_2_DYNODE_PAYMENT);
return PHASE_2_DYNODE_PAYMENT; // 1.618 DYN
} else {
return BLOCKCHAIN_INIT_REWARD; // 0 DYN
}
}
bool CFluid::ValidationProcesses(CValidationState& state, const CScript& txOut, const CAmount& txValue)
{
std::string message;
CAmount mintAmount;
CDynamicAddress toMintAddress;
if (IsTransactionFluid(txOut)) {
if (!CheckIfQuorumExists(ScriptToAsmStr(txOut), message)) {
return state.DoS(100, false, REJECT_INVALID, "bad-txns-fluid-auth-failure");
}
if (txOut.IsProtocolInstruction(MINT_TX) &&
!ParseMintKey(0, toMintAddress, mintAmount, ScriptToAsmStr(txOut), true)) {
return state.DoS(100, false, REJECT_INVALID, "bad-txns-fluid-mint-auth-failure");
}
if ((txOut.IsProtocolInstruction(DYNODE_MODFIY_TX) ||
txOut.IsProtocolInstruction(MINING_MODIFY_TX)) &&
!GenericParseNumber(ScriptToAsmStr(txOut), 0, mintAmount, true)) {
return state.DoS(100, false, REJECT_INVALID, "bad-txns-fluid-modify-parse-failure");
}
}
return true;
}
bool CFluid::ProvisionalCheckTransaction(const CTransaction& transaction)
{
for (const CTxOut& txout : transaction.vout) {
CScript txOut = txout.scriptPubKey;
if (IsTransactionFluid(txOut) && CheckTransactionInRecord(txOut)) {
LogPrintf("ProvisionalCheckTransaction(): Fluid Transaction %s has already been executed!\n", transaction.GetHash().ToString());
return false;
}
}
return true;
}
bool CFluid::CheckTransactionToBlock(const CTransaction& transaction, const CBlockHeader& blockHeader)
{
uint256 hash = blockHeader.GetHash();
return CheckTransactionToBlock(transaction, hash);
}
bool CFluid::CheckTransactionToBlock(const CTransaction& transaction, const uint256 hash)
{
if (mapBlockIndex.count(hash) == 0)
return true;
CBlockIndex* pblockindex = mapBlockIndex[hash];
for (const CTxOut& txout : transaction.vout) {
CScript txOut = txout.scriptPubKey;
if (IsTransactionFluid(txOut) && CheckTransactionInRecord(txOut, pblockindex)) {
LogPrintf("CheckTransactionToBlock(): Fluid Transaction %s has already been executed!\n", transaction.GetHash().ToString());
return false;
}
}
return true;
}
std::vector<unsigned char> CharVectorFromString(const std::string& str)
{
return std::vector<unsigned char>(str.begin(), str.end());
}
std::string StringFromCharVector(const std::vector<unsigned char>& vch)
{
std::string strReturn;
std::vector<unsigned char>::const_iterator vi = vch.begin();
while (vi != vch.end()) {
strReturn += (char)(*vi);
vi++;
}
return strReturn;
}
std::vector<unsigned char> FluidScriptToCharVector(const CScript& fluidScript)
{
std::string fluidOperationString = ScriptToAsmStr(fluidScript);
return vchFromString(fluidOperationString);
}
bool CFluid::ExtractTimestampWithAddresses(const std::string& strOpCode, const CScript& fluidScript, int64_t& nTimeStamp, std::vector<std::vector<unsigned char>>& vSovereignAddresses)
{
std::string fluidOperationString = ScriptToAsmStr(fluidScript);
std::string consentTokenNoScript = GetRidOfScriptStatement(fluidOperationString);
std::string strDehexedToken = HexToString(consentTokenNoScript);
std::vector<std::string> strs, ptrs;
SeparateString(strDehexedToken, strs, false);
if (strs.size() == 0)
return false;
SeparateString(strs.at(0), ptrs, true);
if (1 >= (int)strs.size())
return false;
std::string strTimeStamp;
if (strOpCode == "OP_MINT" || strOpCode == "OP_REWARD_MINING" || strOpCode == "OP_REWARD_DYNODE") {
strTimeStamp = ptrs.at(1);
} else if (strOpCode == "OP_BDAP_REVOKE") {
strTimeStamp = ptrs.at(0);
} else {
return false;
}
ScrubString(strTimeStamp, true);
ParseInt64(strTimeStamp, &nTimeStamp);
if (strs.size() > 1) {
std::string strToken = strs.at(0);
for (uint32_t iter = 1; iter != strs.size(); iter++) {
std::string strSignature = strs.at(iter);
CDynamicAddress address = GetAddressFromDigestSignature(strSignature, strToken);
vSovereignAddresses.push_back(CharVectorFromString(address.ToString()));
}
}
else {
return false;
}
return true;
}