refactor(@desktop/wallet): add balance and price

src/app_service/service/wallet_account/dto.nim

@@ -11,8 +11,8 @@ type
     hasIcon*: bool
     color*: string
     isCustom*: bool
-    balance*: string
+    balance*: float64
-    currencyBalance*: string
+    currencyBalance*: float64
 
 type
   WalletAccountDto* = ref object of RootObj

src/app_service/service/wallet_account/service.nim

@@ -1,23 +1,53 @@
-import Tables, json, sequtils, sugar, chronicles
+import Tables, json, sequtils, sugar, chronicles, strformat, stint, httpclient, net, strutils
-from web3/conversions import `$`
+import web3/[ethtypes, conversions]
 
 import ../setting/service as setting_service
 import ../token/service as token_service
 
 import ./service_interface, ./dto
-import status/statusgo_backend_new/accounts as status_go
+import status/statusgo_backend_new/accounts as status_go_accounts
+import status/statusgo_backend_new/eth as status_go_eth
 
 export service_interface
 
 logScope:
   topics = "wallet-account-service"
 
+proc hex2Balance*(input: string, decimals: int): string =
+  var value = fromHex(Stuint[256], input)
+
+  if decimals == 0:
+    return fmt"{value}"
+  
+  var p = u256(10).pow(decimals)
+  var i = value.div(p)
+  var r = value.mod(p)
+  var leading_zeros = "0".repeat(decimals - ($r).len)
+  var d = fmt"{leading_zeros}{$r}"
+  result = $i
+  if(r > 0): result = fmt"{result}.{d}"
+
+
+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()
+
 type
   Service* = ref object of service_interface.ServiceInterface
     settingService: setting_service.Service
     tokenService: token_service.Service
     accounts: Table[string, WalletAccountDto]
-    currencyBalance: float64
 
 method delete*(self: Service) =
   discard
@@ -28,20 +58,29 @@ proc newService*(settingService: setting_service.Service, tokenService: token_se
   result.tokenService = tokenService
   result.accounts = initTable[string, WalletAccountDto]()
 
-method buildTokens(self: Service, account: WalletAccountDto, tokens: seq[TokenDto]): seq[WalletTokenDto] =
+method buildTokens(
+  self: Service,
+  account: WalletAccountDto,
+  tokens: seq[TokenDto],
+  prices: Table[string, float64]
+): seq[WalletTokenDto] =
+  let ethBalanceResponse = status_go_eth.getEthBalance(account.address)
+  let balance = parsefloat(hex2Balance(ethBalanceResponse.result.getStr, 18))
   result = @[WalletTokenDto(
     name:"Ethereum",
-    address: "0x0",
+    address: account.address,
     symbol: "ETH",
     decimals: 18,
     hasIcon: true,
     color: "blue",
     isCustom: false,
-    balance: "0.0",
+    balance: balance,
-    currencyBalance: "0.0"
+    currencyBalance: balance * prices["ETH"]
   )]
 
   for token in tokens:
+    let tokenBalanceResponse = status_go_eth.getTokenBalance($token.address, account.address)
+    let balance = parsefloat(hex2Balance(tokenBalanceResponse.result.getStr, token.decimals))
     result.add(
       WalletTokenDto(
         name: token.name,
@@ -51,23 +90,26 @@ method buildTokens(self: Service, account: WalletAccountDto, tokens: seq[TokenDt
         hasIcon: token.hasIcon,
         color: token.color,
         isCustom: token.isCustom,
-        balance: "0.0",
+        balance: balance,
-        currencyBalance: "0.0"
+        currencyBalance: balance * prices[token.symbol]
       )
     )
 
 method init*(self: Service) =
   try:
-    let response = status_go.getAccounts()
+    let response = status_go_accounts.getAccounts()
     let accounts = map(
       response.result.getElems(),
       proc(x: JsonNode): WalletAccountDto = x.toWalletAccountDto()
     )
     let currency = self.settingService.getSetting().currency
     let tokens = self.tokenService.getTokens().filter(t => t.visible)
+    var prices = {"ETH": parsefloat(getPrice("ETH", currency))}.toTable
+    for token in tokens:
+      prices[token.symbol] = parsefloat(getPrice(token.symbol, currency))
 
     for account in accounts:
-      account.tokens = self.buildTokens(account, tokens)
+      account.tokens = self.buildTokens(account, tokens, prices)
       self.accounts[account.address] = account
 
   except Exception as e:
@@ -79,4 +121,4 @@ method getAccounts*(self: Service): seq[WalletAccountDto] =
   return toSeq(self.accounts.values).filter(a => a.isChat)
 
 method getCurrencyBalance*(self: Service): float64 =
-  return self.currencyBalance
+  return 0.0

vendor/status-lib

@@ -1 +1 @@
-Subproject commit f320378bd5fee8fa4b1af66e608ef352bbf0a215
+Subproject commit 5de6e894a57eaa2665d0d3c2207f9bd836ac82ff