From 8589c52cda976bc4cd32d2172526feb0cef018d3 Mon Sep 17 00:00:00 2001
From: "T.Todua" <7117978+ttodua@users.noreply.github.com>
Date: Fri, 30 Dec 2022 16:02:03 +0400
Subject: [PATCH] precision update

---
 js/base/functions/number.js  |  4 ++++
 js/digifinex.js              | 17 +++++++----------
 php/Exchange.php             |  4 ++++
 python/ccxt/base/exchange.py |  5 ++++-
 4 files changed, 19 insertions(+), 11 deletions(-)

diff --git a/js/base/functions/number.js b/js/base/functions/number.js
index 16dc1b98748b..1ee8e049215a 100644
--- a/js/base/functions/number.js
+++ b/js/base/functions/number.js
@@ -93,6 +93,10 @@ function precisionFromString (str) {
         const numStr = str.replace (/\de/, '')
         return parseInt (numStr) * -1
     }
+    // support integer formats (without dot) like '1', '10' etc
+    if (str.indexOf ('.') === -1) {
+        return str.length * -1
+    }
     // default strings like '0.0001'
     const split = str.replace (/0+$/g, '').split ('.')
     return (split.length > 1) ? (split[1].length) : 0
diff --git a/js/digifinex.js b/js/digifinex.js
index 6045c66d5e7c..e243c71b5f72 100644
--- a/js/digifinex.js
+++ b/js/digifinex.js
@@ -408,17 +408,14 @@ module.exports = class digifinex extends Exchange {
             const withdraw = withdrawStatus > 0;
             const active = deposit && withdraw;
             const feeString = this.safeString (currency, 'min_withdraw_fee'); // withdraw_fee_rate was zero for all currencies, so this was the worst case scenario
-            const fee = this.parseNumber (feeString);
             const minWithdrawString = this.safeString (currency, 'min_withdraw_amount');
-            const minWithdraw = this.parseNumber (minWithdrawString);
             const minDepositString = this.safeString (currency, 'min_deposit_amount');
-            const minDepositPrecisionLength = this.precisionFromString (minDepositString);
-            // define precision with temporary way
-            const feePrecisionLength = this.precisionFromString (feeString);
-            const minWithdrawPrecisionLength = this.precisionFromString (minWithdrawString);
             const minDeposit = this.parseNumber (minDepositString);
-            const maxFoundPrecision = Math.max (feePrecisionLength, Math.max (minWithdrawPrecisionLength, minDepositPrecisionLength));
-            const precision = this.parseNumber (this.parsePrecision (this.numberToString (maxFoundPrecision)));
+            const minWithdraw = this.parseNumber (minWithdrawString);
+            const fee = this.parseNumber (feeString);
+            // define precision with temporary way
+            const minFoundPrecision = Precise.stringMin (feeString, Precise.stringMin (minDepositString, minWithdrawString));
+            const precision = this.parseNumber (minFoundPrecision);
             const networkId = this.safeString (currency, 'chain');
             const networkCode = this.networkIdToCode (networkId);
             const network = {
@@ -426,7 +423,7 @@ module.exports = class digifinex extends Exchange {
                 'id': networkId,
                 'network': networkCode,
                 'active': active,
-                'fee': this.parseNumber (feeString),
+                'fee': fee,
                 'precision': precision,
                 'deposit': deposit,
                 'withdraw': withdraw,
@@ -472,7 +469,7 @@ module.exports = class digifinex extends Exchange {
                     'active': active,
                     'deposit': deposit,
                     'withdraw': withdraw,
-                    'fee': fee,
+                    'fee': this.parseNumber (feeString),
                     'precision': undefined,
                     'limits': {
                         'amount': {
diff --git a/php/Exchange.php b/php/Exchange.php
index d803c7019b25..3764d6019ae6 100644
--- a/php/Exchange.php
+++ b/php/Exchange.php
@@ -1949,6 +1949,10 @@ public function precision_from_string($str) {
             $numStr = preg_replace ('/\de/', '', $str);
             return ((int)$numStr) * -1;
         }
+        // support integer formats (without dot) like '1', '10' etc
+        if (strpos($str, '.') === -1) {
+            return strlen(str) * -1;
+        }
         // default strings like '0.0001'
         $parts = explode('.', preg_replace('/0+$/', '', $str));
         return (count($parts) > 1) ? strlen($parts[1]) : 0;
diff --git a/python/ccxt/base/exchange.py b/python/ccxt/base/exchange.py
index ece48cf2927a..62009d94e07c 100644
--- a/python/ccxt/base/exchange.py
+++ b/python/ccxt/base/exchange.py
@@ -1435,9 +1435,12 @@ def check_address(self, address):
 
     def precision_from_string(self, str):
         # support string formats like '1e-4'
-        if ('e' in str):
+        if 'e' in str:
             numStr = re.sub(r'\de', '', str)
             return int(numStr) * -1
+        # support integer formats (without dot) like '1', '10' etc
+        if not ('.' in str):
+            return len(str) * -1
         # default strings like '0.0001'
         parts = re.sub(r'0+$', '', str).split('.')
         return len(parts[1]) if len(parts) > 1 else 0