djdZddlmZddlmZmZmZGddeeZGddeeZ Gdd Z d S) z FreeExile Currency Exchange & Purchasing Power Parity (PPP) Engine. Calculates localized fiat pricing, exchange rates, web/crypto bonus coin incentives, and prevents fraudulent cross-border VPN region arbitrage. )Enum)DictTupleOptionalceZdZdZdZdZdS)RegionalPricingTierTIER_1_STANDARDTIER_2_MODERATETIER_3_EMERGINGN)__name__ __module__ __qualname__r r r 6C:\Projects\FreeExile\server\shop\currency_exchange.pyrr s'O'O'OOOrrc2eZdZdZdZdZdZdZdZdZ dZ d Z d S) FiatCurrencyUSDVNDEURGBPJPYKRWCNYTHBBRLN) r r rrrrrrrrrrrrrrrs; C C C C C C C C CCCrrc eZdZUdZdZddddddd d d d Zeeefe d <dddddddddddd Z eeefe d<e j de j de jdiZee efe d<e j e j e j e j e j e j e j e j e je je je jd Zeee fe d<dedefd Zd!ede fd"Zd!edefd#Zd$ed!edefd%Z d.d$ed'ed(edefd)Zd*ed+edeeeffd,Zd-S)/CurrencyExchangeEnginez[Calculates authoritative FX rates, Purchasing Power Parity adjustments, and reward bonuses.d?gj@gq= ףp?g(\?g`c@g@g@gB@g@) rrrrrrrrrFX_RATES_PER_USDrrrrrrrrr) USVNJPKRCNTHDEFRGBBRSGCOUNTRY_TO_CURRENCYg?g?PPP_MULTIPLIERS) r"r$r*r(r)r%r,TWr#r'IDr+ COUNTRY_TIERS usd_amountreturncJtt||jzS)z5Standard baseline conversion: $1.00 = 100 Gold Cores.)introundBASE_COIN_PER_USD)selfr2s rconvert_usd_to_coinsz+CurrencyExchangeEngine.convert_usd_to_coinsVs 5d&<<==>>>r country_codecp|j|tjS)N)r1getupperrr r8r:s rget_regional_tierz(CurrencyExchangeEngine.get_regional_tierZs+!%%l&8&8&:&:s rget_currency_for_countryz/CurrencyExchangeEngine.get_currency_for_country]s''++L,>,>,@,@%HHHrbase_usdc2||}|j|}||}|j|d}||z|z}|dvrt t |dSt t |dS)z Calculates localized fiat pricing adjusted for regional Purchasing Power Parity (PPP). Example: $10 base in VN (PPP 0.50, FX 25,000) = 10 * 25,000 * 0.50 = 125,000 VND. r )rrr)r?r.rAr!r<floatr6)r8rBr:tier ppp_factorcurrencyfx_rate raw_prices rcalculate_localized_fiat_pricez5CurrencyExchangeEngine.calculate_localized_fiat_price`s %%l33)$/ 00>>'++Hc::w&3  , , ,y"--.. .U9a(()))rFplatformis_web3_cryptoc||}|s|dvr$tt|dz}||zS|S)z Calculates final delivered coins. Web Direct Store and Web3 Crypto enjoy a +10% bonus incentive because they bypass the 30% Apple/Google mobile platform cut. )PLATFORM_WEB_PCPLATFORM_ANDROID_SIDELOADg?)r9r5r6)r8rBrMrN base_coins bonus_coinss rcalculate_coins_rewardz-CurrencyExchangeEngine.calculate_coins_rewardqsW..x88   ,X)YYYeJ$56677K + +r ip_countrypayment_countryc|}|}||kr dd|d|dfSdS)z Guards against VPN region-hopping arbitrage. If a user with a Tier 1 IP attempts to pay with a Tier 3 subsidized method, reject or flag. FzREGION_MISMATCH: IP origin 'z)' does not match payment method country '')T REGION_VALID)stripr=)r8rUrVip_normpm_norms rvalidate_billing_regionz.CurrencyExchangeEngine.validate_billing_regionso""$$**,,!''))//11 g  uuukruuuu u##rN)F)r r r__doc__r7r!rstrrF__annotations__r-rr r r r.r1r5r9r?rArLboolrTrr]rrrrrszee * *d3:&    + +c3h    +T+T+T9OT-u45"1!1!1!1!1!1!1!1!1!1!1!1 5 5M4001   ?u?????aca6IaaaaISISIIII*u*C*TY***** %   ($$$ tSy  $$$$$$rrN) r^enumrtypingrrrr_rrrrrrrds (((((((((((((((#t(((     3   w$w$w$w$w$w$w$w$w$w$r