94 lines
3.7 KiB
Nim
94 lines
3.7 KiB
Nim
import strformat, strutils, stint, httpclient, json, chronicles, net
|
|
import ../statusgo_backend/wallet as status_wallet
|
|
import ../statusgo_backend/eth as eth
|
|
import ../statusgo_backend/settings as status_settings
|
|
import ../eth/tokens as status_tokens
|
|
import ../types/[rpc_response, network_type]
|
|
import ../utils/cache
|
|
import account
|
|
import options
|
|
|
|
logScope:
|
|
topics = "balance-manager"
|
|
|
|
type BalanceManager* = ref object
|
|
pricePairs: CachedValues
|
|
tokenBalances: CachedValues
|
|
|
|
proc newBalanceManager*(): BalanceManager =
|
|
result = BalanceManager()
|
|
result.pricePairs = newCachedValues()
|
|
result.tokenBalances = newCachedValues()
|
|
|
|
var balanceManager = newBalanceManager()
|
|
|
|
proc getPrice(crypto: string, fiat: string): string =
|
|
let secureSSLContext = newContext()
|
|
let client = newHttpClient(sslContext = secureSSLContext)
|
|
try:
|
|
let url: string = fmt"https://min-api.cryptocompare.com/data/price?fsym={crypto}&tsyms={fiat}"
|
|
client.headers = newHttpHeaders({ "Content-Type": "application/json" })
|
|
|
|
let response = client.request(url)
|
|
result = $parseJson(response.body)[fiat.toUpper]
|
|
except Exception as e:
|
|
error "Error getting price", message = e.msg
|
|
result = "0.0"
|
|
finally:
|
|
client.close()
|
|
|
|
proc getEthBalance(address: string): string =
|
|
var balance = eth.getBalance(address)
|
|
result = status_wallet.hex2token(balance, 18)
|
|
|
|
proc getBalance*(symbol: string, accountAddress: string, tokenAddress: string, refreshCache: bool): string =
|
|
let cacheKey = fmt"{symbol}-{accountAddress}-{tokenAddress}"
|
|
if not refreshCache and balanceManager.tokenBalances.isCached(cacheKey):
|
|
return balanceManager.tokenBalances.get(cacheKey)
|
|
|
|
if symbol == "ETH":
|
|
let ethBalance = getEthBalance(accountAddress)
|
|
return ethBalance
|
|
|
|
let network = status_settings.getCurrentNetwork().toNetwork()
|
|
result = $status_tokens.getTokenBalance(network, tokenAddress, accountAddress)
|
|
balanceManager.tokenBalances.cacheValue(cacheKey, result)
|
|
|
|
proc convertValue*(balance: string, fromCurrency: string, toCurrency: string): float =
|
|
if balance == "0.0": return 0.0
|
|
let cacheKey = fmt"{fromCurrency}-{toCurrency}"
|
|
if balanceManager.pricePairs.isCached(cacheKey):
|
|
return parseFloat(balance) * parseFloat(balanceManager.pricePairs.get(cacheKey))
|
|
|
|
var fiat_crypto_price = getPrice(fromCurrency, toCurrency)
|
|
balanceManager.pricePairs.cacheValue(cacheKey, fiat_crypto_price)
|
|
parseFloat(balance) * parseFloat(fiat_crypto_price)
|
|
|
|
proc updateBalance*(asset: Asset, currency: string, refreshCache: bool): float =
|
|
var token_balance = getBalance(asset.symbol, asset.accountAddress, asset.address, refreshCache)
|
|
let fiat_balance = convertValue(token_balance, asset.symbol, currency)
|
|
asset.value = token_balance
|
|
asset.fiatBalanceDisplay = fmt"{fiat_balance:.2f} {currency}"
|
|
asset.fiatBalance = fmt"{fiat_balance:.2f}"
|
|
return fiat_balance
|
|
|
|
proc updateBalance*(account: WalletAccount, currency: string, refreshCache: bool = false) =
|
|
try:
|
|
var usd_balance = 0.0
|
|
for asset in account.assetList:
|
|
let assetFiatBalance = updateBalance(asset, currency, refreshCache)
|
|
usd_balance = usd_balance + assetFiatBalance
|
|
|
|
account.realFiatBalance = some(usd_balance)
|
|
account.balance = some(fmt"{usd_balance:.2f} {currency}")
|
|
except RpcException:
|
|
error "Error in updateBalance", message = getCurrentExceptionMsg()
|
|
|
|
proc storeBalances*(account: WalletAccount, ethBalance = "0", tokenBalance: JsonNode) =
|
|
let ethCacheKey = fmt"ETH-{account.address}-"
|
|
balanceManager.tokenBalances.cacheValue(ethCacheKey, ethBalance)
|
|
for asset in account.assetList:
|
|
if tokenBalance.hasKey(asset.address):
|
|
let cacheKey = fmt"{asset.symbol}-{account.address}-{asset.address}"
|
|
balanceManager.tokenBalances.cacheValue(cacheKey, tokenBalance{asset.address}.getStr())
|