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StorageMarket.java
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package org.tron.core.db;
import lombok.extern.slf4j.Slf4j;
import org.tron.core.capsule.AccountCapsule;
import org.tron.core.config.Parameter.ChainConstant;
@Slf4j(topic = "DB")
public class StorageMarket {
private Manager dbManager;
private long supply = 1_000_000_000_000_000L;
public StorageMarket(Manager manager) {
this.dbManager = manager;
}
private long exchange_to_supply(boolean isTRX, long quant) {
logger.info("isTRX: " + isTRX);
long balance = isTRX ? dbManager.getDynamicPropertiesStore().getTotalStoragePool() :
dbManager.getDynamicPropertiesStore().getTotalStorageReserved();
logger.info("balance: " + balance);
long newBalance = balance + quant;
logger.info("balance + quant: " + (balance + quant));
// if (isTRX) {
// dbManager.getDynamicPropertiesStore().saveTotalStoragePool(newBalance);
// } else {
// dbManager.getDynamicPropertiesStore().saveTotalStorageReserved(newBalance);
// }
double issuedSupply = -supply * (1.0 - Math.pow(1.0 + (double) quant / newBalance, 0.0005));
logger.info("issuedSupply: " + issuedSupply);
long out = (long) issuedSupply;
supply += out;
return out;
}
private long exchange_to_supply2(boolean isTRX, long quant) {
logger.info("isTRX: " + isTRX);
long balance = isTRX ? dbManager.getDynamicPropertiesStore().getTotalStoragePool() :
dbManager.getDynamicPropertiesStore().getTotalStorageReserved();
logger.info("balance: " + balance);
long newBalance = balance - quant;
logger.info("balance - quant: " + (balance - quant));
// if (isTRX) {
// dbManager.getDynamicPropertiesStore().saveTotalStoragePool(newBalance);
// } else {
// dbManager.getDynamicPropertiesStore().saveTotalStorageReserved(newBalance);
// }
double issuedSupply = -supply * (1.0 - Math.pow(1.0 + (double) quant / newBalance, 0.0005));
logger.info("issuedSupply: " + issuedSupply);
long out = (long) issuedSupply;
supply += out;
return out;
}
private long exchange_from_supply(boolean isTRX, long supplyQuant) {
long balance = isTRX ? dbManager.getDynamicPropertiesStore().getTotalStoragePool() :
dbManager.getDynamicPropertiesStore().getTotalStorageReserved();
supply -= supplyQuant;
double exchangeBalance =
balance * (Math.pow(1.0 + (double) supplyQuant / supply, 2000.0) - 1.0);
logger.info("exchangeBalance: " + exchangeBalance);
long out = (long) exchangeBalance;
if (isTRX) {
out = Math.round(exchangeBalance / 100000) * 100000;
logger.info("---out: " + out);
}
return out;
}
public long exchange(long from, boolean isTRX) {
long relay = exchange_to_supply(isTRX, from);
return exchange_from_supply(!isTRX, relay);
}
public long calculateTax(long duration, long limit) {
// todo: Support for change by the committee
double ratePerYear = dbManager.getDynamicPropertiesStore().getStorageExchangeTaxRate() / 100.0;
double millisecondPerYear = (double) ChainConstant.MS_PER_YEAR;
double feeRate = duration / millisecondPerYear * ratePerYear;
long storageTax = (long) (limit * feeRate);
logger.info("storageTax: " + storageTax);
return storageTax;
}
public long tryPayTax(long duration, long limit) {
long storageTax = calculateTax(duration, limit);
long tax = exchange(storageTax, false);
logger.info("tax: " + tax);
long newTotalTax = dbManager.getDynamicPropertiesStore().getTotalStorageTax() + tax;
long newTotalPool = dbManager.getDynamicPropertiesStore().getTotalStoragePool() - tax;
long newTotalReserved = dbManager.getDynamicPropertiesStore().getTotalStorageReserved()
+ storageTax;
logger.info("reserved: " + dbManager.getDynamicPropertiesStore().getTotalStorageReserved());
boolean eq = dbManager.getDynamicPropertiesStore().getTotalStorageReserved()
== 128L * 1024 * 1024 * 1024;
logger.info("reserved == 128GB: " + eq);
logger.info("newTotalTax: " + newTotalTax + " newTotalPool: " + newTotalPool
+ " newTotalReserved: " + newTotalReserved);
return storageTax;
}
public long payTax(long duration, long limit) {
long storageTax = calculateTax(duration, limit);
long tax = exchange(storageTax, false);
logger.info("tax: " + tax);
long newTotalTax = dbManager.getDynamicPropertiesStore().getTotalStorageTax() + tax;
long newTotalPool = dbManager.getDynamicPropertiesStore().getTotalStoragePool() - tax;
long newTotalReserved = dbManager.getDynamicPropertiesStore().getTotalStorageReserved()
+ storageTax;
logger.info("reserved: " + dbManager.getDynamicPropertiesStore().getTotalStorageReserved());
boolean eq = dbManager.getDynamicPropertiesStore().getTotalStorageReserved()
== 128L * 1024 * 1024 * 1024;
logger.info("reserved == 128GB: " + eq);
logger.info("newTotalTax: " + newTotalTax + " newTotalPool: " + newTotalPool
+ " newTotalReserved: " + newTotalReserved);
dbManager.getDynamicPropertiesStore().saveTotalStorageTax(newTotalTax);
dbManager.getDynamicPropertiesStore().saveTotalStoragePool(newTotalPool);
dbManager.getDynamicPropertiesStore().saveTotalStorageReserved(newTotalReserved);
return storageTax;
}
public long tryBuyStorageBytes(long storageBought) {
long relay = exchange_to_supply2(false, storageBought);
return exchange_from_supply(true, relay);
}
public long tryBuyStorage(long quant) {
return exchange(quant, true);
}
public long trySellStorage(long bytes) {
return exchange(bytes, false);
}
public AccountCapsule buyStorageBytes(AccountCapsule accountCapsule, long storageBought) {
long now = dbManager.getHeadBlockTimeStamp();
long currentStorageLimit = accountCapsule.getStorageLimit();
long relay = exchange_to_supply2(false, storageBought);
long quant = exchange_from_supply(true, relay);
long newBalance = accountCapsule.getBalance() - quant;
logger.info("newBalance： " + newBalance);
long newStorageLimit = currentStorageLimit + storageBought;
logger.info(
"storageBought: " + storageBought + " newStorageLimit: "
+ newStorageLimit);
accountCapsule.setLatestExchangeStorageTime(now);
accountCapsule.setStorageLimit(newStorageLimit);
accountCapsule.setBalance(newBalance);
dbManager.getAccountStore().put(accountCapsule.createDbKey(), accountCapsule);
long newTotalPool = dbManager.getDynamicPropertiesStore().getTotalStoragePool() + quant;
long newTotalReserved = dbManager.getDynamicPropertiesStore().getTotalStorageReserved()
- storageBought;
logger.info("newTotalPool: " + newTotalPool + " newTotalReserved: " + newTotalReserved);
dbManager.getDynamicPropertiesStore().saveTotalStoragePool(newTotalPool);
dbManager.getDynamicPropertiesStore().saveTotalStorageReserved(newTotalReserved);
return accountCapsule;
}
public void buyStorage(AccountCapsule accountCapsule, long quant) {
long now = dbManager.getHeadBlockTimeStamp();
long currentStorageLimit = accountCapsule.getStorageLimit();
long newBalance = accountCapsule.getBalance() - quant;
logger.info("newBalance： " + newBalance);
long storageBought = exchange(quant, true);
long newStorageLimit = currentStorageLimit + storageBought;
logger.info(
"storageBought: " + storageBought + " newStorageLimit: "
+ newStorageLimit);
accountCapsule.setLatestExchangeStorageTime(now);
accountCapsule.setStorageLimit(newStorageLimit);
accountCapsule.setBalance(newBalance);
dbManager.getAccountStore().put(accountCapsule.createDbKey(), accountCapsule);
long newTotalPool = dbManager.getDynamicPropertiesStore().getTotalStoragePool() + quant;
long newTotalReserved = dbManager.getDynamicPropertiesStore().getTotalStorageReserved()
- storageBought;
logger.info("newTotalPool: " + newTotalPool + " newTotalReserved: " + newTotalReserved);
dbManager.getDynamicPropertiesStore().saveTotalStoragePool(newTotalPool);
dbManager.getDynamicPropertiesStore().saveTotalStorageReserved(newTotalReserved);
}
public void sellStorage(AccountCapsule accountCapsule, long bytes) {
long now = dbManager.getHeadBlockTimeStamp();
long currentStorageLimit = accountCapsule.getStorageLimit();
long quant = exchange(bytes, false);
long newBalance = accountCapsule.getBalance() + quant;
long newStorageLimit = currentStorageLimit - bytes;
logger.info("quant: " + quant + " newStorageLimit: " + newStorageLimit);
accountCapsule.setLatestExchangeStorageTime(now);
accountCapsule.setStorageLimit(newStorageLimit);
accountCapsule.setBalance(newBalance);
dbManager.getAccountStore().put(accountCapsule.createDbKey(), accountCapsule);
long newTotalPool = dbManager.getDynamicPropertiesStore().getTotalStoragePool() - quant;
long newTotalReserved = dbManager.getDynamicPropertiesStore().getTotalStorageReserved()
+ bytes;
logger.info("newTotalPool: " + newTotalPool + " newTotalReserved: " + newTotalReserved);
dbManager.getDynamicPropertiesStore().saveTotalStoragePool(newTotalPool);
dbManager.getDynamicPropertiesStore().saveTotalStorageReserved(newTotalReserved);
}
public long getAccountLeftStorageInByteFromBought(AccountCapsule accountCapsule) {
return accountCapsule.getStorageLimit() - accountCapsule.getStorageUsage();
}
}