fix assigning user gas limit before sending a transaction

Author: Alex Vlasov

Podfile

@@ -1,8 +1,6 @@
 def import_pods
-#  pod 'Alamofire', '~> 4.7'
-#  pod 'Alamofire-Synchronous', '~> 4.0'
-  pod "PromiseKit", "~> 6.0"
-  pod 'BigInt', '~> 3.0.1'
+  pod "PromiseKit", "~> 6.3"
+  pod 'BigInt', '~> 3.1.0'
   pod 'CryptoSwift', '~> 0.10.0'
   pod 'Result', '~> 3.0.0'
   pod 'libsodium', :modular_headers => true

Podfile.lock

@@ -1,5 +1,5 @@
 PODS:
-  - BigInt (3.0.1):
+  - BigInt (3.1.0):
     - SipHash (~> 1.2)
   - CryptoSwift (0.10.0)
   - libsodium (1.0.12)
@@ -17,10 +17,10 @@ PODS:
   - SipHash (1.2.2)
 
 DEPENDENCIES:
-  - BigInt (~> 3.0.1)
+  - BigInt (~> 3.1.0)
   - CryptoSwift (~> 0.10.0)
   - libsodium
-  - PromiseKit (~> 6.0)
+  - PromiseKit (~> 6.3)
   - Result (~> 3.0.0)
   - secp256k1_ios (from `https://github.com/shamatar/secp256k1_ios.git`)
 
@@ -43,14 +43,14 @@ CHECKOUT OPTIONS:
     :git: https://github.com/shamatar/secp256k1_ios.git
 
 SPEC CHECKSUMS:
-  BigInt: 8e8a52161c745cd3ab78e3dc346a9fbee51e6cf6
+  BigInt: 76b5dfdfa3e2e478d4ffdf161aeede5502e2742f
   CryptoSwift: 6c778d69282bed3b4e975ff97a79d074f20bb011
   libsodium: 9a8faa5ef2fa0d2d57bd7f7d79bf8fb7c1a9f0ea
   PromiseKit: e1425568123ec844a944c93f2bcb29d511d39cf5
   Result: 1b3e431f37cbcd3ad89c6aa9ab0ae55515fae3b6
   secp256k1_ios: ac9ef04e761f43c58012b28548afa91493761f17
   SipHash: fad90a4683e420c52ef28063063dbbce248ea6d4
 
-PODFILE CHECKSUM: 33b88104c0e3c95fe413feb0b3b3a1e30c9cfb58
+PODFILE CHECKSUM: 693ca0807c60f75760d9a1fb2f1f3f534e248f10
 
 COCOAPODS: 1.5.3