From b235be554cb73576f698baa2285f5b38d1ee8430 Mon Sep 17 00:00:00 2001
From: daoready <info@daoready.com>
Date: Fri, 30 Nov 2018 00:34:17 +0300
Subject: [PATCH 01/36] ABI tuple parser

---
 lib/web3/eth/abi/abi_coder.rb |  4 +++-
 lib/web3/eth/abi/type.rb      | 27 +++++++++++++++++++++++++++
 lib/web3/eth/contract.rb      | 12 ++++++++++--
 lib/web3/eth/version.rb       |  2 +-
 web3-eth.gemspec              |  2 +-
 5 files changed, 42 insertions(+), 5 deletions(-)

diff --git a/lib/web3/eth/abi/abi_coder.rb b/lib/web3/eth/abi/abi_coder.rb
index a131b39..326c393 100644
--- a/lib/web3/eth/abi/abi_coder.rb
+++ b/lib/web3/eth/abi/abi_coder.rb
@@ -248,7 +248,9 @@ def decode_typed_data type_name, data
     end
 
     def decode_type(type, arg)
-      if %w(string bytes).include?(type.base) && type.sub.empty?
+      if type.kind_of?(Tuple)
+        decode_abi(type.types, arg)
+      elsif %w(string bytes).include?(type.base) && type.sub.empty?
         l = Utils.big_endian_to_int arg[0,32]
         data = arg[32..-1]
         data[0, l]
diff --git a/lib/web3/eth/abi/type.rb b/lib/web3/eth/abi/type.rb
index c0c01ad..edd3484 100644
--- a/lib/web3/eth/abi/type.rb
+++ b/lib/web3/eth/abi/type.rb
@@ -12,6 +12,11 @@ class <<self
       # 256, 128x128, nil), array component (eg. [], [45], nil)
       #
       def parse(type)
+
+        if type =~ /^\((.*)\)((\[[0-9]*\])*)/
+          return Tuple.new $1.split(','), $2.scan(/\[[0-9]*\]/)
+        end
+
         _, base, sub, dimension = /([a-z]*)([0-9]*x?[0-9]*)((\[[0-9]*\])*)/.match(type).to_a
 
         dims = dimension.scan(/\[[0-9]*\]/)
@@ -115,4 +120,26 @@ def subtype
     end
 
   end
+
+  class Tuple < Type
+
+    attr_reader :types
+    def initialize types, dims
+      super('tuple', '', dims)
+      @types = types
+    end
+
+    def ==(another_type)
+      another_type.kind_of?(Tuple) &&
+          another_type.types == types &&
+          another_type.dims == dims
+    end
+
+    def size
+      nil
+    end
+
+
+  end
+
 end
diff --git a/lib/web3/eth/contract.rb b/lib/web3/eth/contract.rb
index 5dfaf51..596af04 100644
--- a/lib/web3/eth/contract.rb
+++ b/lib/web3/eth/contract.rb
@@ -35,12 +35,20 @@ def initialize abi
           @abi = abi
           @name = abi['name']
           @constant = !!abi['constant']
-          @input_types = abi['inputs'].map{|a| a['type']}
-          @output_types = abi['outputs'].map{|a| a['type']} if abi['outputs']
+          @input_types = abi['inputs'].map{|a| parse_component_type a }
+          @output_types = abi['outputs'].map{|a| parse_component_type a } if abi['outputs']
           @signature = Abi::Utils.function_signature @name, @input_types
           @signature_hash = Abi::Utils.signature_hash @signature, (abi['type']=='event' ? 64 : 8)
         end
 
+        def parse_component_type argument
+          if argument['type']=='tuple'
+            argument['components'] ? "(#{argument['components'].collect{|c| c['type'] }.join(',')})" : '()'
+          else
+            argument['type']
+          end
+        end
+
         def parse_event_args log
 
           log_data = remove_0x_head log.raw_data['data']
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index de858ed..3910328 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.16"
+    VERSION = "0.2.17"
   end
 end
diff --git a/web3-eth.gemspec b/web3-eth.gemspec
index ee4cec1..adf92ca 100644
--- a/web3-eth.gemspec
+++ b/web3-eth.gemspec
@@ -7,7 +7,7 @@ Gem::Specification.new do |spec|
   spec.name          = "web3-eth"
   spec.version       = Web3::Eth::VERSION
   spec.authors       = ["studnev"]
-  spec.email         = ["studnev@izx.io"]
+  spec.email         = ["aleksey@bloxy.info"]
 
   spec.summary       = %q{Web3 client to connect to Ethereum node by RPC.}
   spec.description   = %q{Calling RPC methods of Ethereum node with Ruby.}

From 8c4bb636b41f66f89c73ce016f0fd028c97a142a Mon Sep 17 00:00:00 2001
From: daoready <info@daoready.com>
Date: Fri, 30 Nov 2018 00:42:00 +0300
Subject: [PATCH 02/36] https://github.com/Bloxy-info/web3-eth

---
 README.md        | 2 +-
 web3-eth.gemspec | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 0167b24..b1f687d 100644
--- a/README.md
+++ b/README.md
@@ -211,7 +211,7 @@ To install this gem onto your local machine, run `bundle exec rake install`. To
 
 ## Contributing
 
-Bug reports and pull requests are welcome on GitHub at https://github.com/izetex/web3-eth. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant](http://contributor-covenant.org) code of conduct.
+Bug reports and pull requests are welcome on GitHub at https://github.com/Bloxy-info/web3-eth. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant](http://contributor-covenant.org) code of conduct.
 
 
 ## License
diff --git a/web3-eth.gemspec b/web3-eth.gemspec
index adf92ca..bbfacec 100644
--- a/web3-eth.gemspec
+++ b/web3-eth.gemspec
@@ -11,7 +11,7 @@ Gem::Specification.new do |spec|
 
   spec.summary       = %q{Web3 client to connect to Ethereum node by RPC.}
   spec.description   = %q{Calling RPC methods of Ethereum node with Ruby.}
-  spec.homepage      = "https://github.com/izetex/web3-eth"
+  spec.homepage      = "https://github.com/Bloxy-info/web3-eth"
   spec.license       = "MIT"
 
 

From c24a2f11d1bae6829e8dabde540523fe92215c83 Mon Sep 17 00:00:00 2001
From: daoready <info@daoready.com>
Date: Fri, 30 Nov 2018 01:32:30 +0300
Subject: [PATCH 03/36] fix event with tuple parse

---
 lib/web3/eth/abi/abi_coder.rb | 2 +-
 lib/web3/eth/contract.rb      | 6 +++---
 lib/web3/eth/version.rb       | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/web3/eth/abi/abi_coder.rb b/lib/web3/eth/abi/abi_coder.rb
index 326c393..317a39a 100644
--- a/lib/web3/eth/abi/abi_coder.rb
+++ b/lib/web3/eth/abi/abi_coder.rb
@@ -249,7 +249,7 @@ def decode_typed_data type_name, data
 
     def decode_type(type, arg)
       if type.kind_of?(Tuple)
-        decode_abi(type.types, arg)
+        arg ? decode_abi(type.types, arg) : []
       elsif %w(string bytes).include?(type.base) && type.sub.empty?
         l = Utils.big_endian_to_int arg[0,32]
         data = arg[32..-1]
diff --git a/lib/web3/eth/contract.rb b/lib/web3/eth/contract.rb
index 596af04..519e4d3 100644
--- a/lib/web3/eth/contract.rb
+++ b/lib/web3/eth/contract.rb
@@ -52,8 +52,8 @@ def parse_component_type argument
         def parse_event_args log
 
           log_data = remove_0x_head log.raw_data['data']
-          indexed_types = abi['inputs'].select{|a| a['indexed']}.collect{|a| a['type']}
-          not_indexed_types = abi['inputs'].select{|a| !a['indexed']}.collect{|a| a['type']}
+          indexed_types = abi['inputs'].select{|a| a['indexed']}.collect{|a| parse_component_type a }
+          not_indexed_types = abi['inputs'].select{|a| !a['indexed']}.collect{|a| parse_component_type a }
 
           indexed_args = log.indexed_args
 
@@ -73,7 +73,7 @@ def parse_event_args log
             }
 
           elsif !indexed_args.empty? || !log_data.empty?
-            all_types = abi['inputs'].collect{|a| a['type']}
+            all_types = abi['inputs'].collect{|a| parse_component_type a }
             [all_types[0...indexed_args.size], indexed_args].transpose.collect{|arg|
               decode_typed_data( arg.first, [arg.second].pack('H*') )
             } + decode_abi(all_types[indexed_args.size..-1], [log_data].pack('H*') )
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 3910328..c3dd052 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.17"
+    VERSION = "0.2.18"
   end
 end

From 24e20f2e7d40ed41b4560b187a53260e603a6269 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Sun, 31 Mar 2019 12:45:23 +0300
Subject: [PATCH 04/36] Structures of tuples

---
 lib/web3/eth/contract.rb | 4 ++--
 lib/web3/eth/version.rb  | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/web3/eth/contract.rb b/lib/web3/eth/contract.rb
index 519e4d3..0a7f2a6 100644
--- a/lib/web3/eth/contract.rb
+++ b/lib/web3/eth/contract.rb
@@ -42,8 +42,8 @@ def initialize abi
         end
 
         def parse_component_type argument
-          if argument['type']=='tuple'
-            argument['components'] ? "(#{argument['components'].collect{|c| c['type'] }.join(',')})" : '()'
+          if argument['type']=~/^tuple((\[[0-9]*\])*)/
+            argument['components'] ? "(#{argument['components'].collect{|c| parse_component_type c['type'] }.join(',')})#{$1}" : "()#{$1}"
           else
             argument['type']
           end
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index c3dd052..43bbdd7 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.18"
+    VERSION = "0.2.19"
   end
 end

From ef34f18162f5eb8528a143f6745d41b8b48f06a8 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Sun, 31 Mar 2019 13:25:06 +0300
Subject: [PATCH 05/36] Structures of tuples

---
 lib/web3/eth/contract.rb | 2 +-
 lib/web3/eth/version.rb  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/web3/eth/contract.rb b/lib/web3/eth/contract.rb
index 0a7f2a6..4cf68e1 100644
--- a/lib/web3/eth/contract.rb
+++ b/lib/web3/eth/contract.rb
@@ -43,7 +43,7 @@ def initialize abi
 
         def parse_component_type argument
           if argument['type']=~/^tuple((\[[0-9]*\])*)/
-            argument['components'] ? "(#{argument['components'].collect{|c| parse_component_type c['type'] }.join(',')})#{$1}" : "()#{$1}"
+            argument['components'] ? "(#{argument['components'].collect{|c| parse_component_type c }.join(',')})#{$1}" : "()#{$1}"
           else
             argument['type']
           end
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 43bbdd7..9e1d613 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.19"
+    VERSION = "0.2.20"
   end
 end

From 8c0758cc5b33deab46ce8dd238b233c35c985de3 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Mon, 1 Apr 2019 12:51:51 +0300
Subject: [PATCH 06/36] array of tuples ABI parse

---
 lib/web3/eth/abi/abi_coder.rb | 5 +++--
 lib/web3/eth/abi/type.rb      | 3 +++
 lib/web3/eth/version.rb       | 2 +-
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/web3/eth/abi/abi_coder.rb b/lib/web3/eth/abi/abi_coder.rb
index 317a39a..0bacace 100644
--- a/lib/web3/eth/abi/abi_coder.rb
+++ b/lib/web3/eth/abi/abi_coder.rb
@@ -248,7 +248,8 @@ def decode_typed_data type_name, data
     end
 
     def decode_type(type, arg)
-      if type.kind_of?(Tuple)
+      return nil if arg.nil?
+      if type.kind_of?(Tuple) && type.dims.empty?
         arg ? decode_abi(type.types, arg) : []
       elsif %w(string bytes).include?(type.base) && type.sub.empty?
         l = Utils.big_endian_to_int arg[0,32]
@@ -261,7 +262,7 @@ def decode_type(type, arg)
         if subtype.dynamic?
           raise DecodingError, "Not enough data for head" unless arg.size >= 32 + 32*l
 
-          start_positions = (1..l).map {|i| Utils.big_endian_to_int arg[32*i, 32] }
+          start_positions = (1..l).map {|i| 32+Utils.big_endian_to_int(arg[32*i, 32]) }
           start_positions.push arg.size
 
           outputs = (0...l).map {|i| arg[start_positions[i]...start_positions[i+1]] }
diff --git a/lib/web3/eth/abi/type.rb b/lib/web3/eth/abi/type.rb
index edd3484..6dacd69 100644
--- a/lib/web3/eth/abi/type.rb
+++ b/lib/web3/eth/abi/type.rb
@@ -139,6 +139,9 @@ def size
       nil
     end
 
+    def subtype
+      @subtype ||= Tuple.new(types, dims[0...-1])
+    end
 
   end
 
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 9e1d613..8d924a7 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.20"
+    VERSION = "0.2.21"
   end
 end

From 39884761d1bbd6f64c58fac721d7b7c4b85292df Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Tue, 2 Apr 2019 18:52:50 +0300
Subject: [PATCH 07/36] fixed tuple structures parse

---
 lib/web3/eth/abi/type.rb | 61 +++++++++++++++++++++++++++++++++++++---
 lib/web3/eth/version.rb  |  2 +-
 2 files changed, 58 insertions(+), 5 deletions(-)

diff --git a/lib/web3/eth/abi/type.rb b/lib/web3/eth/abi/type.rb
index 6dacd69..4baaf84 100644
--- a/lib/web3/eth/abi/type.rb
+++ b/lib/web3/eth/abi/type.rb
@@ -14,7 +14,7 @@ class <<self
       def parse(type)
 
         if type =~ /^\((.*)\)((\[[0-9]*\])*)/
-          return Tuple.new $1.split(','), $2.scan(/\[[0-9]*\]/)
+          return Tuple.parse $1, $2.scan(/\[[0-9]*\]/)
         end
 
         _, base, sub, dimension = /([a-z]*)([0-9]*x?[0-9]*)((\[[0-9]*\])*)/.match(type).to_a
@@ -123,10 +123,43 @@ def subtype
 
   class Tuple < Type
 
-    attr_reader :types
+    def self.parse types, dims
+
+      depth = 0
+      collected = []
+      current = ''
+
+      types.split('').each do |c|
+        case c
+          when ',' then
+            if depth==0
+              collected << current
+              current = ''
+            else
+              current += c
+            end
+          when '(' then
+            depth += 1
+            current += c
+          when ')' then
+            depth -= 1
+            current += c
+          else
+            current += c
+        end
+
+      end
+      collected << current unless current.empty?
+
+      Tuple.new collected, dims
+
+    end
+
+    attr_reader :types, :parsed_types
     def initialize types, dims
-      super('tuple', '', dims)
+      super('tuple', '', dims.map {|x| x[1...-1].to_i})
       @types = types
+      @parsed_types = types.map{|t| Type.parse t}
     end
 
     def ==(another_type)
@@ -136,7 +169,27 @@ def ==(another_type)
     end
 
     def size
-      nil
+      @size ||= calculate_size
+    end
+
+    def calculate_size
+      if dims.empty?
+        s = 0
+        parsed_types.each do |type|
+          ts = type.size
+          return nil if ts.nil?
+          s += ts
+        end
+        s
+      else
+        if dims.last == 0 # 0 for dynamic array []
+          nil
+        else
+          subtype.dynamic? ? nil : dims.last * subtype.size
+        end
+      end
+
+
     end
 
     def subtype
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 8d924a7..36beed6 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.21"
+    VERSION = "0.2.22"
   end
 end

From 4c1e8bc078e2d807ae6e8f8d649f2bdedf338a53 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Tue, 2 Apr 2019 19:19:42 +0300
Subject: [PATCH 08/36] fixed tuple structures parse

---
 lib/web3/eth/abi/abi_coder.rb | 2 +-
 lib/web3/eth/version.rb       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/web3/eth/abi/abi_coder.rb b/lib/web3/eth/abi/abi_coder.rb
index 0bacace..4cb5623 100644
--- a/lib/web3/eth/abi/abi_coder.rb
+++ b/lib/web3/eth/abi/abi_coder.rb
@@ -248,7 +248,7 @@ def decode_typed_data type_name, data
     end
 
     def decode_type(type, arg)
-      return nil if arg.nil?
+      return nil if arg.nil? || arg.empty?
       if type.kind_of?(Tuple) && type.dims.empty?
         arg ? decode_abi(type.types, arg) : []
       elsif %w(string bytes).include?(type.base) && type.sub.empty?
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 36beed6..d5dfbc6 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.22"
+    VERSION = "0.2.23"
   end
 end

From 5724059edbcccb8b59b0dbd5a5c0cd43444e8837 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Tue, 2 Apr 2019 20:17:53 +0300
Subject: [PATCH 09/36] fixed tuple structures parse

---
 lib/web3/eth/abi/abi_coder.rb | 4 +++-
 lib/web3/eth/version.rb       | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/web3/eth/abi/abi_coder.rb b/lib/web3/eth/abi/abi_coder.rb
index 4cb5623..c697b81 100644
--- a/lib/web3/eth/abi/abi_coder.rb
+++ b/lib/web3/eth/abi/abi_coder.rb
@@ -235,7 +235,9 @@ def decode_abi(types, data)
       parsed_types.each_with_index do |t, i|
         if t.dynamic?
           offset, next_offset = start_positions[i, 2]
-          outputs[i] = data[offset...next_offset]
+          if offset<=data.size && next_offset<=data.size
+            outputs[i] = data[offset...next_offset]
+          end
         end
       end
 
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index d5dfbc6..eed91d2 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.23"
+    VERSION = "0.2.24"
   end
 end

From 2122429cd2b43690dec514372ef258afc0b16026 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Wed, 29 May 2019 14:41:52 +0300
Subject: [PATCH 10/36] Constructor arguments parsed in trial cycle if can not
 detect automatically

---
 lib/web3/eth/abi/abi_coder.rb | 25 ++++++++++++++++--
 lib/web3/eth/contract.rb      | 49 +++++++++++++++++++++++++++++++++--
 lib/web3/eth/transaction.rb   | 14 +---------
 lib/web3/eth/version.rb       |  2 +-
 4 files changed, 72 insertions(+), 18 deletions(-)

diff --git a/lib/web3/eth/abi/abi_coder.rb b/lib/web3/eth/abi/abi_coder.rb
index c697b81..0c28b73 100644
--- a/lib/web3/eth/abi/abi_coder.rb
+++ b/lib/web3/eth/abi/abi_coder.rb
@@ -192,10 +192,15 @@ def encode_primitive_type(type, arg)
       end
     end
 
+
+    def min_data_size types
+      types.size*32
+    end
+    
     ##
     # Decodes multiple arguments using the head/tail mechanism.
     #
-    def decode_abi(types, data)
+    def decode_abi types, data, raise_errors = false
       parsed_types = types.map {|t| Type.parse(t) }
 
       outputs = [nil] * types.size
@@ -207,8 +212,17 @@ def decode_abi(types, data)
         # If a type is static, grab the data directly, otherwise record its
         # start position
         if t.dynamic?
+
+          if raise_errors && pos>data.size-1
+            raise DecodingError, "Position out of bounds #{pos}>#{data.size-1}"
+          end
+
           start_positions[i] = Utils.big_endian_to_int(data[pos, 32])
 
+          if raise_errors && start_positions[i]>data.size-1
+            raise DecodingError, "Start position out of bounds #{start_positions[i]}>#{data.size-1}"
+          end
+
           j = i - 1
           while j >= 0 && start_positions[j].nil?
             start_positions[j] = start_positions[i]
@@ -230,7 +244,10 @@ def decode_abi(types, data)
         j -= 1
       end
 
-#      raise DecodingError, "Not enough data for head" unless pos <= data.size
+      if raise_errors && pos > data.size
+        raise DecodingError, "Not enough data for head"
+      end
+
 
       parsed_types.each_with_index do |t, i|
         if t.dynamic?
@@ -241,6 +258,10 @@ def decode_abi(types, data)
         end
       end
 
+      if raise_errors && outputs.include?(nil)
+        raise DecodingError, "Not all data can be parsed"
+      end
+
       parsed_types.zip(outputs).map {|(type, out)| decode_type(type, out) }
     end
     alias :decode :decode_abi
diff --git a/lib/web3/eth/contract.rb b/lib/web3/eth/contract.rb
index 4cf68e1..554432e 100644
--- a/lib/web3/eth/contract.rb
+++ b/lib/web3/eth/contract.rb
@@ -103,6 +103,52 @@ def do_call web3_rpc, contract_address, args
 
       end
 
+      class ContractConstructor < ContractMethod
+
+        def initialize abi
+          super abi
+        end
+
+        def parse_method_args transaction
+          return [] if input_types.empty?
+
+          input = transaction.input
+
+          d = fetch_constructor_data input
+          result = (d && !d.empty? && try_parse(d))
+
+          unless result
+            start = input.length-1-min_data_size(input_types)
+            while start>=0 && !result
+              result = try_parse input, start
+              start -= 1
+            end
+          end
+
+          result
+        end
+
+        private
+
+        CONSTRUCTOR_SEQ = /a165627a7a72305820\w{64}0029(\w*)$/
+        def fetch_constructor_data input
+          data = input[CONSTRUCTOR_SEQ,1]
+          while data && (d = data[CONSTRUCTOR_SEQ,1])
+            data = d
+          end
+          data
+        end
+
+        def try_parse input, start = 0
+          d = start==0  ? input : input.slice(start, input.length-start-1)
+          decode_abi input_types, [d].pack('H*'), true
+        rescue Exception => err
+          nil
+        end
+
+      end
+
+
       attr_reader :web3_rpc, :abi, :functions, :events, :constructor, :functions_by_hash, :events_by_hash
 
       def initialize abi, web_rpc = nil
@@ -168,8 +214,7 @@ def parse_abi abi
               @events[method.name] = method
               @events_by_hash[method.signature_hash] = method
             when 'constructor'
-              method = ContractMethod.new(a)
-              @constructor = method
+              @constructor = ContractConstructor.new(a)
           end
         }
       end
diff --git a/lib/web3/eth/transaction.rb b/lib/web3/eth/transaction.rb
index d648fbe..9201c73 100644
--- a/lib/web3/eth/transaction.rb
+++ b/lib/web3/eth/transaction.rb
@@ -26,9 +26,7 @@ def method_hash
       # suffix # 0xa1 0x65 'b' 'z' 'z' 'r' '0' 0x58 0x20 <32 bytes swarm hash> 0x00 0x29
       # look http://solidity.readthedocs.io/en/latest/metadata.html for details
       def call_input_data
-        if raw_data['creates'] && input
-          fetch_constructor_data input
-        elsif input && input.length>10
+        if input && input.length>10
           input[10..input.length]
         else
           []
@@ -57,16 +55,6 @@ def gasPrice_eth
         wei_to_ether from_hex gasPrice
       end
 
-      private
-
-      CONSTRUCTOR_SEQ = /a165627a7a72305820\w{64}0029(\w*)$/
-      def fetch_constructor_data input
-        data = input[CONSTRUCTOR_SEQ,1]
-        while data && (d = data[CONSTRUCTOR_SEQ,1])
-          data = d
-        end
-        data
-      end
 
     end
   end
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index eed91d2..573ad88 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.24"
+    VERSION = "0.2.25"
   end
 end

From e3419c5c2bf5342c9c18b257d73265feac293555 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Wed, 3 Jul 2019 16:59:00 +0300
Subject: [PATCH 11/36] Fix for decoding wrong data set

---
 lib/web3/eth/abi/abi_coder.rb | 1 +
 lib/web3/eth/version.rb       | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/web3/eth/abi/abi_coder.rb b/lib/web3/eth/abi/abi_coder.rb
index 0c28b73..bb419b8 100644
--- a/lib/web3/eth/abi/abi_coder.rb
+++ b/lib/web3/eth/abi/abi_coder.rb
@@ -280,6 +280,7 @@ def decode_type(type, arg)
         data[0, l]
       elsif type.dynamic?
         l = Utils.big_endian_to_int arg[0,32]
+        raise DecodingError, "Too long length: #{l}" if l>1000
         subtype = type.subtype
 
         if subtype.dynamic?
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 573ad88..aa4ff9b 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.25"
+    VERSION = "0.2.26"
   end
 end

From 85ac968f16859617d9798784b94aa17c3f61e7f0 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Fri, 23 Aug 2019 22:43:17 +0300
Subject: [PATCH 12/36] fixes for TRON compatibility

---
 lib/web3/eth/contract.rb | 6 +++---
 lib/web3/eth/utility.rb  | 1 +
 lib/web3/eth/version.rb  | 2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/lib/web3/eth/contract.rb b/lib/web3/eth/contract.rb
index 554432e..fe3cf37 100644
--- a/lib/web3/eth/contract.rb
+++ b/lib/web3/eth/contract.rb
@@ -35,10 +35,10 @@ def initialize abi
           @abi = abi
           @name = abi['name']
           @constant = !!abi['constant']
-          @input_types = abi['inputs'].map{|a| parse_component_type a }
+          @input_types = abi['inputs'] ? abi['inputs'].map{|a| parse_component_type a } : []
           @output_types = abi['outputs'].map{|a| parse_component_type a } if abi['outputs']
           @signature = Abi::Utils.function_signature @name, @input_types
-          @signature_hash = Abi::Utils.signature_hash @signature, (abi['type']=='event' ? 64 : 8)
+          @signature_hash = Abi::Utils.signature_hash @signature, (abi['type'].try(:downcase)=='event' ? 64 : 8)
         end
 
         def parse_component_type argument
@@ -204,7 +204,7 @@ def parse_abi abi
 
         abi.each{|a|
 
-          case a['type']
+          case a['type'].try(:downcase)
             when 'function'
               method = ContractMethod.new(a)
               @functions[method.name] = method
diff --git a/lib/web3/eth/utility.rb b/lib/web3/eth/utility.rb
index 500699c..08decf0 100644
--- a/lib/web3/eth/utility.rb
+++ b/lib/web3/eth/utility.rb
@@ -16,6 +16,7 @@ def from_hex h
       end
 
       def remove_0x_head(s)
+        return s if !s || s.length<2
         s[0,2] == '0x' ? s[2..-1] : s
       end
 
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index aa4ff9b..e7a16e4 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.26"
+    VERSION = "0.2.27"
   end
 end

From d3fbfb36cb3b03d5cef25175b07525f3b5b60b09 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Sun, 25 Aug 2019 22:44:07 +0300
Subject: [PATCH 13/36] string[32] support

---
 lib/web3/eth/abi/type.rb | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/web3/eth/abi/type.rb b/lib/web3/eth/abi/type.rb
index 4baaf84..eac8f7f 100644
--- a/lib/web3/eth/abi/type.rb
+++ b/lib/web3/eth/abi/type.rb
@@ -25,9 +25,7 @@ def parse(type)
         case base
           when ''
             return parse 'address'
-          when 'string'
-            raise ParseError, "String type must have no suffix or numerical suffix" unless sub.empty?
-          when 'bytes'
+          when 'bytes', 'string'
             raise ParseError, "Maximum 32 bytes for fixed-length string or bytes" unless sub.empty? || sub.to_i <= 32
           when 'uint', 'int'
             raise ParseError, "Integer type must have numerical suffix" unless sub =~ /\A[0-9]+\z/

From fdc9f47a48f3287c698041db8e383460be5d5b82 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Sun, 25 Aug 2019 23:27:20 +0300
Subject: [PATCH 14/36] string[32] support

---
 lib/web3/eth/version.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index e7a16e4..868590b 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.27"
+    VERSION = "0.2.28"
   end
 end

From a22a93ddfb17626fbaf3c5dd896017b2b5646f2d Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Tue, 27 Aug 2019 15:16:56 +0300
Subject: [PATCH 15/36] trc token type

---
 lib/web3/eth/abi/type.rb | 2 ++
 lib/web3/eth/version.rb  | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/web3/eth/abi/type.rb b/lib/web3/eth/abi/type.rb
index eac8f7f..43200af 100644
--- a/lib/web3/eth/abi/type.rb
+++ b/lib/web3/eth/abi/type.rb
@@ -13,6 +13,8 @@ class <<self
       #
       def parse(type)
 
+        return parse('uint256') if type=='trcToken'
+        
         if type =~ /^\((.*)\)((\[[0-9]*\])*)/
           return Tuple.parse $1, $2.scan(/\[[0-9]*\]/)
         end
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 868590b..905d662 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.28"
+    VERSION = "0.2.29"
   end
 end

From 132d96760ff453e6d63b9266160a158f6159d848 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Wed, 28 Aug 2019 17:26:14 +0300
Subject: [PATCH 16/36] fix parser for dynamic types

---
 lib/web3/eth/abi/abi_coder.rb | 2 +-
 lib/web3/eth/version.rb       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/web3/eth/abi/abi_coder.rb b/lib/web3/eth/abi/abi_coder.rb
index bb419b8..5327e3f 100644
--- a/lib/web3/eth/abi/abi_coder.rb
+++ b/lib/web3/eth/abi/abi_coder.rb
@@ -280,7 +280,7 @@ def decode_type(type, arg)
         data[0, l]
       elsif type.dynamic?
         l = Utils.big_endian_to_int arg[0,32]
-        raise DecodingError, "Too long length: #{l}" if l>1000
+        raise DecodingError, "Too long length: #{l}" if l>100000
         subtype = type.subtype
 
         if subtype.dynamic?
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 905d662..4fad251 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.29"
+    VERSION = "0.2.30"
   end
 end

From 84715b35b71f687fb7a5a3f8698cab0b9cee2bb5 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Wed, 18 Sep 2019 10:06:14 +0300
Subject: [PATCH 17/36] fix parser for fixed types

---
 lib/web3/eth/abi/type.rb | 3 ++-
 lib/web3/eth/version.rb  | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/web3/eth/abi/type.rb b/lib/web3/eth/abi/type.rb
index 43200af..00571aa 100644
--- a/lib/web3/eth/abi/type.rb
+++ b/lib/web3/eth/abi/type.rb
@@ -42,7 +42,8 @@ def parse(type)
             total = high + low
 
             raise ParseError, "Fixed size out of bounds (max 32 bytes)" unless total >= 8 && total <= 256
-            raise ParseError, "Fixed high/low sizes must be multiples of 8" unless high % 8 == 0 && low % 8 == 0
+            raise ParseError, "Fixed high size must be multiple of 8" unless high % 8 == 0
+            raise ParseError, "Low sizes must be 0 to 80" unless low>0 && low<=80
           when 'hash'
             raise ParseError, "Hash type must have numerical suffix" unless sub =~ /\A[0-9]+\z/
           when 'address'
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 4fad251..37a6033 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.30"
+    VERSION = "0.2.31"
   end
 end

From fe63311c6112742806f58aa2d9b30c92d8e26618 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Thu, 26 Mar 2020 15:37:03 +0300
Subject: [PATCH 18/36] debug module added

---
 lib/web3/eth.rb                              |  2 +
 lib/web3/eth/debug/debug_module.rb           | 36 ++++++++
 lib/web3/eth/debug/transaction_call_trace.rb | 86 ++++++++++++++++++++
 lib/web3/eth/rpc.rb                          |  5 ++
 lib/web3/eth/utility.rb                      |  2 +-
 lib/web3/eth/version.rb                      |  2 +-
 6 files changed, 131 insertions(+), 2 deletions(-)
 create mode 100644 lib/web3/eth/debug/debug_module.rb
 create mode 100644 lib/web3/eth/debug/transaction_call_trace.rb

diff --git a/lib/web3/eth.rb b/lib/web3/eth.rb
index f98d545..e287898 100644
--- a/lib/web3/eth.rb
+++ b/lib/web3/eth.rb
@@ -8,6 +8,8 @@
 require "web3/eth/log"
 require "web3/eth/transaction_receipt"
 require "web3/eth/eth_module"
+require "web3/eth/debug/debug_module"
+require "web3/eth/debug/transaction_call_trace"
 require "web3/eth/trace_module"
 require "web3/eth/etherscan"
 require "web3/eth/rpc"
diff --git a/lib/web3/eth/debug/debug_module.rb b/lib/web3/eth/debug/debug_module.rb
new file mode 100644
index 0000000..6e43bff
--- /dev/null
+++ b/lib/web3/eth/debug/debug_module.rb
@@ -0,0 +1,36 @@
+module Web3::Eth::Debug
+
+    class DebugModule
+
+      include Web3::Eth::Utility
+
+      PREFIX = 'debug_'
+
+      def initialize web3_rpc
+        @web3_rpc = web3_rpc
+      end
+
+      def traceTransaction hash, tracer = 'callTracer',  convert_to_object = true
+        raw = @web3_rpc.request("#{PREFIX}#{__method__}", [hash, {tracer: tracer}])
+        convert_to_object ? TransactionCallTrace.new(raw) : raw
+      end
+
+      def traceBlockByNumber number, tracer = 'callTracer',  convert_to_object = true
+        raw = @web3_rpc.request("#{PREFIX}#{__method__}", [hex(number), {tracer: tracer}])
+        convert_to_object ? raw.map{|r| TransactionCallTrace.new(r['result'])} : raw
+      end
+
+      def traceBlockByHash hash, tracer = 'callTracer',  convert_to_object = true
+        raw = @web3_rpc.request("#{PREFIX}#{__method__}", [hash, {tracer: tracer}])
+        convert_to_object ? raw.map{|r| TransactionCallTrace.new(r['result'])} : raw
+      end
+
+
+      def method_missing m, *args
+        @web3_rpc.request "#{PREFIX}#{m}", args[0]
+      end
+
+
+    end
+
+end
diff --git a/lib/web3/eth/debug/transaction_call_trace.rb b/lib/web3/eth/debug/transaction_call_trace.rb
new file mode 100644
index 0000000..0c3fc31
--- /dev/null
+++ b/lib/web3/eth/debug/transaction_call_trace.rb
@@ -0,0 +1,86 @@
+module Web3::Eth::Debug
+
+    class TransactionCallTrace
+
+      include Web3::Eth::Utility
+
+      attr_reader :raw_data, :calls, :traceAddress
+      def initialize raw, traceAddress = []
+        @raw_data = raw
+        @traceAddress = traceAddress
+        @calls = raw['calls'] ? raw['calls'].each_with_index.map{|c,i| TransactionCallTrace.new c, (traceAddress + [i]) } : []
+      end
+
+      # CALL STATICCALL DELEGATECALL CREATE SELFDESTRUCT
+      def type
+        raw_data['type']
+      end
+
+      def creates
+        (type=='CREATE' || type=='CREATE2') ? to : nil
+      end
+
+      def suicide?
+        type=='SELFDESTRUCT'
+      end
+
+      def from
+        raw_data['from']
+      end
+
+      def to
+        raw_data['to']
+      end
+
+      def value_wei
+        from_hex raw_data['value']
+      end
+
+      def value_eth
+        wei_to_ether value_wei
+      end
+
+      def gas
+        from_hex raw_data['gas']
+      end
+
+      def gas_used
+        from_hex raw_data['gasUsed']
+      end
+
+      def input
+        raw_data['input']
+      end
+
+      def output
+        raw_data['output']
+      end
+
+      def time
+        raw_data['time']
+      end
+
+      def error
+        raw_data['error']
+      end
+
+      def success?
+        !raw_data['error']
+      end
+
+      # suffix # 0xa1 0x65 'b' 'z' 'z' 'r' '0' 0x58 0x20 <32 bytes swarm hash> 0x00 0x29
+      # look http://solidity.readthedocs.io/en/latest/metadata.html for details
+      def call_input_data
+        if creates && input
+          input[/a165627a7a72305820\w{64}0029(\w*)/,1]
+        elsif input && input.length>10
+          input[10..input.length]
+        else
+          []
+        end
+      end
+
+    end
+
+
+end
diff --git a/lib/web3/eth/rpc.rb b/lib/web3/eth/rpc.rb
index 095dcc2..e661b5e 100644
--- a/lib/web3/eth/rpc.rb
+++ b/lib/web3/eth/rpc.rb
@@ -32,6 +32,11 @@ def initialize host: DEFAULT_HOST, port: DEFAULT_PORT, connect_options: DEFAULT_
       end
 
 
+      def debug
+        Debug::DebugModule.new self
+      end
+
+
       def request method, params = nil
 
 
diff --git a/lib/web3/eth/utility.rb b/lib/web3/eth/utility.rb
index 08decf0..8fc8c50 100644
--- a/lib/web3/eth/utility.rb
+++ b/lib/web3/eth/utility.rb
@@ -12,7 +12,7 @@ def wei_to_ether(wei)
       end
 
       def from_hex h
-        h.to_i 16
+        h.nil? ? 0 : h.to_i(16)
       end
 
       def remove_0x_head(s)
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 37a6033..f6511e7 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.31"
+    VERSION = "0.2.32"
   end
 end

From 5c8f85a216cc7c1594fced805e5035f6f7f63ffc Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Thu, 26 Mar 2020 18:01:16 +0300
Subject: [PATCH 19/36] bulk simulation for geth method hash

---
 lib/web3/eth/debug/transaction_call_trace.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/web3/eth/debug/transaction_call_trace.rb b/lib/web3/eth/debug/transaction_call_trace.rb
index 0c3fc31..8d2da3a 100644
--- a/lib/web3/eth/debug/transaction_call_trace.rb
+++ b/lib/web3/eth/debug/transaction_call_trace.rb
@@ -20,6 +20,14 @@ def creates
         (type=='CREATE' || type=='CREATE2') ? to : nil
       end
 
+      def method_hash
+        if input && input.length>=10
+          input[2...10]
+        else
+          nil
+        end
+      end
+
       def suicide?
         type=='SELFDESTRUCT'
       end

From d7c586bd4e52a8c5ca4014a3e535ca73241567a5 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Sat, 28 Mar 2020 14:06:28 +0300
Subject: [PATCH 20/36] added properties for transaction

---
 lib/web3/eth/block.rb               | 24 ++++++++++++++++++++++++
 lib/web3/eth/transaction.rb         |  9 +++++++++
 lib/web3/eth/transaction_receipt.rb |  5 ++++-
 3 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/lib/web3/eth/block.rb b/lib/web3/eth/block.rb
index 17dc3c6..074b89e 100644
--- a/lib/web3/eth/block.rb
+++ b/lib/web3/eth/block.rb
@@ -27,6 +27,30 @@ def block_number
         from_hex number
       end
 
+      def block_difficulty
+        from_hex difficulty
+      end
+
+      def block_gasLimit
+        from_hex gasLimit
+      end
+
+      def block_gasUsed
+        from_hex gasUsed
+      end
+
+      def block_nonce
+        from_hex nonce
+      end
+
+      def block_size
+        from_hex size
+      end
+
+      def block_totalDifficulty
+        from_hex totalDifficulty
+      end
+
     end
 
   end
diff --git a/lib/web3/eth/transaction.rb b/lib/web3/eth/transaction.rb
index 9201c73..4586d61 100644
--- a/lib/web3/eth/transaction.rb
+++ b/lib/web3/eth/transaction.rb
@@ -55,6 +55,15 @@ def gasPrice_eth
         wei_to_ether from_hex gasPrice
       end
 
+      def gasPrice_weth
+        from_hex gasPrice
+      end
+
+
+      def transaction_nonce
+        from_hex nonce
+      end
+
 
     end
   end
diff --git a/lib/web3/eth/transaction_receipt.rb b/lib/web3/eth/transaction_receipt.rb
index 0ac8a09..779ba41 100644
--- a/lib/web3/eth/transaction_receipt.rb
+++ b/lib/web3/eth/transaction_receipt.rb
@@ -31,11 +31,14 @@ def gas_used
         from_hex gasUsed
       end
 
-
       def cumulative_gas_used
         from_hex cumulativeGasUsed
       end
 
+      def transaction_index
+        from_hex transactionIndex
+      end
+
     end
   end
 end
\ No newline at end of file

From fb2f077b19a2dc0a7a66669228f7fd7a856cb2b3 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Sat, 28 Mar 2020 22:05:26 +0300
Subject: [PATCH 21/36] added properties for transaction

---
 lib/web3/eth/debug/transaction_call_trace.rb | 7 +++++++
 lib/web3/eth/version.rb                      | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/web3/eth/debug/transaction_call_trace.rb b/lib/web3/eth/debug/transaction_call_trace.rb
index 8d2da3a..5feaaba 100644
--- a/lib/web3/eth/debug/transaction_call_trace.rb
+++ b/lib/web3/eth/debug/transaction_call_trace.rb
@@ -16,6 +16,13 @@ def type
         raw_data['type']
       end
 
+      def action
+        {
+            'callType' => type.downcase,
+            'address' => raw_data['to']
+        }
+      end
+
       def creates
         (type=='CREATE' || type=='CREATE2') ? to : nil
       end
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index f6511e7..a4adae5 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.32"
+    VERSION = "0.2.33"
   end
 end

From f50f170bc3098ee21cbd32ee0761e47d6ddbe878 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Fri, 24 Apr 2020 12:05:04 +0300
Subject: [PATCH 22/36] Celo blockchain does not have difficulty on web3

---
 lib/web3/eth/block.rb   | 12 ++++++------
 lib/web3/eth/version.rb |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/lib/web3/eth/block.rb b/lib/web3/eth/block.rb
index 074b89e..7a15dd0 100644
--- a/lib/web3/eth/block.rb
+++ b/lib/web3/eth/block.rb
@@ -28,27 +28,27 @@ def block_number
       end
 
       def block_difficulty
-        from_hex difficulty
+        self.respond_to?(:difficulty) ? from_hex(difficulty) : 0
       end
 
       def block_gasLimit
-        from_hex gasLimit
+        self.respond_to?(:gasLimit) ? from_hex(gasLimit) : 0
       end
 
       def block_gasUsed
-        from_hex gasUsed
+        self.respond_to?(:gasUsed) ? from_hex(gasUsed) : 0
       end
 
       def block_nonce
-        from_hex nonce
+        self.respond_to?(:nonce) ? from_hex(nonce) : 0
       end
 
       def block_size
-        from_hex size
+        self.respond_to?(:size) ?  from_hex(size) : 0
       end
 
       def block_totalDifficulty
-        from_hex totalDifficulty
+        self.respond_to?(:totalDifficulty) ? from_hex(totalDifficulty) : 0
       end
 
     end
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index a4adae5..b9f0a66 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.33"
+    VERSION = "0.2.34"
   end
 end

From 9214ee918a34e1d6713cd64251e2436229eb942c Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Fri, 24 Apr 2020 18:57:49 +0300
Subject: [PATCH 23/36] suicide address field

---
 lib/web3/eth/debug/transaction_call_trace.rb | 13 +++++++++----
 lib/web3/eth/version.rb                      |  2 +-
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/lib/web3/eth/debug/transaction_call_trace.rb b/lib/web3/eth/debug/transaction_call_trace.rb
index 5feaaba..5e60b10 100644
--- a/lib/web3/eth/debug/transaction_call_trace.rb
+++ b/lib/web3/eth/debug/transaction_call_trace.rb
@@ -4,11 +4,12 @@ class TransactionCallTrace
 
       include Web3::Eth::Utility
 
-      attr_reader :raw_data, :calls, :traceAddress
-      def initialize raw, traceAddress = []
+      attr_reader :raw_data, :calls, :traceAddress, :parent
+      def initialize raw, traceAddress = [], parent = nil
         @raw_data = raw
         @traceAddress = traceAddress
-        @calls = raw['calls'] ? raw['calls'].each_with_index.map{|c,i| TransactionCallTrace.new c, (traceAddress + [i]) } : []
+        @parent = parent
+        @calls = raw['calls'] ? raw['calls'].each_with_index.map{|c,i| TransactionCallTrace.new c, (traceAddress + [i]), parent } : []
       end
 
       # CALL STATICCALL DELEGATECALL CREATE SELFDESTRUCT
@@ -19,10 +20,14 @@ def type
       def action
         {
             'callType' => type.downcase,
-            'address' => raw_data['to']
+            'address' => ( suicide? ? parent.smart_contract : raw_data['to'])
         }
       end
 
+      def smart_contract
+        ['DELEGATECALL','CALL'].include?(type) ? to : from
+      end
+
       def creates
         (type=='CREATE' || type=='CREATE2') ? to : nil
       end
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index b9f0a66..64b0179 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.34"
+    VERSION = "0.2.35"
   end
 end

From 1a67dbfa53522306751127ea51a74df57ff7d2a1 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Fri, 24 Apr 2020 19:02:13 +0300
Subject: [PATCH 24/36] suicide address field

---
 lib/web3/eth/debug/transaction_call_trace.rb | 2 +-
 lib/web3/eth/version.rb                      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/web3/eth/debug/transaction_call_trace.rb b/lib/web3/eth/debug/transaction_call_trace.rb
index 5e60b10..3f9150c 100644
--- a/lib/web3/eth/debug/transaction_call_trace.rb
+++ b/lib/web3/eth/debug/transaction_call_trace.rb
@@ -9,7 +9,7 @@ def initialize raw, traceAddress = [], parent = nil
         @raw_data = raw
         @traceAddress = traceAddress
         @parent = parent
-        @calls = raw['calls'] ? raw['calls'].each_with_index.map{|c,i| TransactionCallTrace.new c, (traceAddress + [i]), parent } : []
+        @calls = raw['calls'] ? raw['calls'].each_with_index.map{|c,i| TransactionCallTrace.new c, (traceAddress + [i]), self } : []
       end
 
       # CALL STATICCALL DELEGATECALL CREATE SELFDESTRUCT
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 64b0179..7031648 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.35"
+    VERSION = "0.2.36"
   end
 end

From b98be95bdd8d05b768b2a597faeaa921a52d437b Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Fri, 24 Apr 2020 19:06:25 +0300
Subject: [PATCH 25/36] suicide address field

---
 lib/web3/eth/debug/transaction_call_trace.rb | 2 +-
 lib/web3/eth/version.rb                      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/web3/eth/debug/transaction_call_trace.rb b/lib/web3/eth/debug/transaction_call_trace.rb
index 3f9150c..9f5f2ba 100644
--- a/lib/web3/eth/debug/transaction_call_trace.rb
+++ b/lib/web3/eth/debug/transaction_call_trace.rb
@@ -25,7 +25,7 @@ def action
       end
 
       def smart_contract
-        ['DELEGATECALL','CALL'].include?(type) ? to : from
+        ['STATICCALL','CALL'].include?(type) ? to : from
       end
 
       def creates
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 7031648..836d2b8 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.36"
+    VERSION = "0.2.37"
   end
 end

From 7cbbed295ab8de20edfa7ca1e5b935a9b035122a Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Mon, 27 Apr 2020 22:08:36 +0300
Subject: [PATCH 26/36] Added timeout for debug_module tracing

---
 lib/web3/eth/debug/debug_module.rb | 5 ++++-
 lib/web3/eth/rpc.rb                | 2 +-
 lib/web3/eth/version.rb            | 2 +-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/lib/web3/eth/debug/debug_module.rb b/lib/web3/eth/debug/debug_module.rb
index 6e43bff..460dbc6 100644
--- a/lib/web3/eth/debug/debug_module.rb
+++ b/lib/web3/eth/debug/debug_module.rb
@@ -16,7 +16,10 @@ def traceTransaction hash, tracer = 'callTracer',  convert_to_object = true
       end
 
       def traceBlockByNumber number, tracer = 'callTracer',  convert_to_object = true
-        raw = @web3_rpc.request("#{PREFIX}#{__method__}", [hex(number), {tracer: tracer}])
+        timeout = @web3_rpc.connect_options[:read_timeout] || 120
+        raw = @web3_rpc.request("#{PREFIX}#{__method__}", [hex(number), {tracer: tracer,
+                                                                         timeout: "#{timeout}s"}])
+        raise raw.first['error'] if (raw.first && raw.first['error'])
         convert_to_object ? raw.map{|r| TransactionCallTrace.new(r['result'])} : raw
       end
 
diff --git a/lib/web3/eth/rpc.rb b/lib/web3/eth/rpc.rb
index e661b5e..180c516 100644
--- a/lib/web3/eth/rpc.rb
+++ b/lib/web3/eth/rpc.rb
@@ -17,7 +17,7 @@ class Rpc
       DEFAULT_HOST = 'localhost'
       DEFAULT_PORT = 8545
 
-      attr_reader :eth, :trace
+      attr_reader :eth, :trace, :connect_options
 
       def initialize host: DEFAULT_HOST, port: DEFAULT_PORT, connect_options: DEFAULT_CONNECT_OPTIONS
 
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 836d2b8..631fb7b 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.37"
+    VERSION = "0.2.38"
   end
 end

From c645b5f16bc750bd9c6b234d970cb7d40a883b45 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Mon, 1 Jun 2020 14:18:58 +0300
Subject: [PATCH 27/36] tracesByBlockNumber added

---
 lib/web3/eth/trace_module.rb | 6 ++++++
 lib/web3/eth/version.rb      | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/web3/eth/trace_module.rb b/lib/web3/eth/trace_module.rb
index 19ac43f..8060206 100644
--- a/lib/web3/eth/trace_module.rb
+++ b/lib/web3/eth/trace_module.rb
@@ -21,6 +21,12 @@ def internalCallsByHash tx_hash
         }
       end
 
+      def tracesByBlockNumber block
+        @web3_rpc.request("#{PREFIX}block", [hex(block)]).collect{|t|
+          CallTrace.new t
+        }
+      end
+
     end
   end
 end
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 631fb7b..9e799a5 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.38"
+    VERSION = "0.2.39"
   end
 end

From 70144cf57da51b1546c954df8255822778dcd9af Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Mon, 1 Jun 2020 16:41:29 +0300
Subject: [PATCH 28/36] parity_module.rb module added

---
 lib/web3/eth.rb               |  1 +
 lib/web3/eth/parity_module.rb | 26 ++++++++++++++++++++++++++
 lib/web3/eth/rpc.rb           | 13 +++++++++----
 lib/web3/eth/version.rb       |  2 +-
 4 files changed, 37 insertions(+), 5 deletions(-)
 create mode 100644 lib/web3/eth/parity_module.rb

diff --git a/lib/web3/eth.rb b/lib/web3/eth.rb
index e287898..f3e11e3 100644
--- a/lib/web3/eth.rb
+++ b/lib/web3/eth.rb
@@ -11,5 +11,6 @@
 require "web3/eth/debug/debug_module"
 require "web3/eth/debug/transaction_call_trace"
 require "web3/eth/trace_module"
+require "web3/eth/parity_module"
 require "web3/eth/etherscan"
 require "web3/eth/rpc"
diff --git a/lib/web3/eth/parity_module.rb b/lib/web3/eth/parity_module.rb
new file mode 100644
index 0000000..b34cb49
--- /dev/null
+++ b/lib/web3/eth/parity_module.rb
@@ -0,0 +1,26 @@
+module Web3
+  module Eth
+
+    class ParityModule
+
+      include Web3::Eth::Utility
+
+      PREFIX = 'parity_'
+
+      def initialize web3_rpc
+        @web3_rpc = web3_rpc
+      end
+
+      def method_missing m, *args
+        @web3_rpc.request "#{PREFIX}#{m}", args[0]
+      end
+
+      def getBlockReceiptsByBlockNumber block
+        @web3_rpc.request("#{PREFIX}getBlockReceipts", [hex(block)]).collect{|tr|
+          TransactionReceipt.new tr
+        }
+      end
+
+    end
+  end
+end
diff --git a/lib/web3/eth/rpc.rb b/lib/web3/eth/rpc.rb
index 180c516..cc3420c 100644
--- a/lib/web3/eth/rpc.rb
+++ b/lib/web3/eth/rpc.rb
@@ -17,7 +17,7 @@ class Rpc
       DEFAULT_HOST = 'localhost'
       DEFAULT_PORT = 8545
 
-      attr_reader :eth, :trace, :connect_options
+      attr_reader :eth, :connect_options
 
       def initialize host: DEFAULT_HOST, port: DEFAULT_PORT, connect_options: DEFAULT_CONNECT_OPTIONS
 
@@ -27,15 +27,20 @@ def initialize host: DEFAULT_HOST, port: DEFAULT_PORT, connect_options: DEFAULT_
         @connect_options = connect_options
 
         @eth = EthModule.new self
-        @trace = TraceModule.new self
 
       end
 
+      def trace
+        @trace ||= TraceModule.new(self)
+      end
 
-      def debug
-        Debug::DebugModule.new self
+      def parity
+        @parity ||= ParityModule.new(self)
       end
 
+      def debug
+        @debug ||= Debug::DebugModule.new(self)
+      end
 
       def request method, params = nil
 
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 9e799a5..07965e3 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.39"
+    VERSION = "0.2.40"
   end
 end

From 9af1287fe013d5924da3a3b64873ea78d2849ca3 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Tue, 2 Jun 2020 20:39:12 +0300
Subject: [PATCH 29/36] web3.eth call used instead of direct name

---
 lib/web3/eth/contract.rb | 2 +-
 lib/web3/eth/version.rb  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/web3/eth/contract.rb b/lib/web3/eth/contract.rb
index fe3cf37..6a18e6c 100644
--- a/lib/web3/eth/contract.rb
+++ b/lib/web3/eth/contract.rb
@@ -92,7 +92,7 @@ def parse_method_args transaction
         def do_call web3_rpc, contract_address, args
           data = '0x' + signature_hash + encode_hex(encode_abi(input_types, args) )
 
-          response = web3_rpc.request "eth_call", [{ to: contract_address, data: data}, 'latest']
+          response = web3_rpc.eth.call [{ to: contract_address, data: data}, 'latest']
 
           string_data = [remove_0x_head(response)].pack('H*')
           return nil if string_data.empty?
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 07965e3..aa216b8 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.40"
+    VERSION = "0.2.41"
   end
 end

From 6aae6f7b0341a93079d60a9b1e45e6d7255752e1 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Thu, 18 Jun 2020 19:14:40 +0300
Subject: [PATCH 30/36] JSON level up to 1500

---
 lib/web3/eth/rpc.rb     | 2 +-
 lib/web3/eth/version.rb | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/web3/eth/rpc.rb b/lib/web3/eth/rpc.rb
index cc3420c..8e50da1 100644
--- a/lib/web3/eth/rpc.rb
+++ b/lib/web3/eth/rpc.rb
@@ -53,7 +53,7 @@ def request method, params = nil
 
           raise "Error code #{response.code} on request #{@uri.to_s} #{request.body}" unless response.kind_of? Net::HTTPOK
 
-          body = JSON.parse(response.body)
+          body = JSON.parse(response.body, max_nesting: 1500)
 
           if body['result']
             body['result']
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index aa216b8..85f32a6 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.41"
+    VERSION = "0.2.42"
   end
 end

From e9ec838c80162857e0fbaf2658274fd88732b428 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Thu, 23 Jul 2020 15:19:59 +0300
Subject: [PATCH 31/36] Padding fixed size data with zeros added

---
 lib/web3/eth/abi/abi_coder.rb | 14 +++++++++++++-
 lib/web3/eth/version.rb       |  2 +-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/lib/web3/eth/abi/abi_coder.rb b/lib/web3/eth/abi/abi_coder.rb
index 5327e3f..7b93213 100644
--- a/lib/web3/eth/abi/abi_coder.rb
+++ b/lib/web3/eth/abi/abi_coder.rb
@@ -231,7 +231,7 @@ def decode_abi types, data, raise_errors = false
 
           pos += 32
         else
-          outputs[i] = data[pos, t.size]
+          outputs[i] = zero_padding data, pos, t.size, start_positions
           pos += t.size
         end
       end
@@ -266,6 +266,18 @@ def decode_abi types, data, raise_errors = false
     end
     alias :decode :decode_abi
 
+    def zero_padding data, pos, count, start_positions
+      if pos >= data.size
+        start_positions[start_positions.size-1] += count
+        "\x00"*count
+      elsif pos + count > data.size
+        start_positions[start_positions.size-1] += ( count - (data.size-pos))
+        data[pos,data.size-pos] + "\x00"*( count - (data.size-pos))
+      else
+        data[pos, count]
+      end
+    end
+
     def decode_typed_data type_name, data
       decode_primitive_type Type.parse(type_name), data
     end
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 85f32a6..5988bb4 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.42"
+    VERSION = "0.2.43"
   end
 end

From 7d3eec1ab574b878464fc99d12e00ddb9155a302 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Tue, 18 Aug 2020 21:11:25 +0300
Subject: [PATCH 32/36] Fix utiliity

---
 lib/web3/eth/utility.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/web3/eth/utility.rb b/lib/web3/eth/utility.rb
index 8fc8c50..1354a52 100644
--- a/lib/web3/eth/utility.rb
+++ b/lib/web3/eth/utility.rb
@@ -12,7 +12,7 @@ def wei_to_ether(wei)
       end
 
       def from_hex h
-        h.nil? ? 0 : h.to_i(16)
+        h.nil? ? 0 : (h.kind_of?(String) ? h.to_i(16) : h)
       end
 
       def remove_0x_head(s)

From bf7b605fd4cb9dd8302af936a7aba48b18c2c71d Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Tue, 18 Aug 2020 21:11:41 +0300
Subject: [PATCH 33/36] Fix utiliity

---
 lib/web3/eth/version.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 5988bb4..80eedc1 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.43"
+    VERSION = "0.2.44"
   end
 end

From 4318aacd40ca2c9ca3d14537e0bc75df0bb2a13e Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Fri, 28 Aug 2020 18:25:35 +0300
Subject: [PATCH 34/36] Fix contsnat for views

---
 lib/web3/eth/contract.rb | 2 +-
 lib/web3/eth/version.rb  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/web3/eth/contract.rb b/lib/web3/eth/contract.rb
index 6a18e6c..9ed4082 100644
--- a/lib/web3/eth/contract.rb
+++ b/lib/web3/eth/contract.rb
@@ -34,7 +34,7 @@ class ContractMethod
         def initialize abi
           @abi = abi
           @name = abi['name']
-          @constant = !!abi['constant']
+          @constant = !!abi['constant'] || abi['stateMutability']=='view'
           @input_types = abi['inputs'] ? abi['inputs'].map{|a| parse_component_type a } : []
           @output_types = abi['outputs'].map{|a| parse_component_type a } if abi['outputs']
           @signature = Abi::Utils.function_signature @name, @input_types
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 80eedc1..8c4a936 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.44"
+    VERSION = "0.2.45"
   end
 end

From a631f0d3f3d62dbd622a8f9f54708a2ebe4d6f90 Mon Sep 17 00:00:00 2001
From: astudnev <astudnev@gmail.com>
Date: Mon, 7 Dec 2020 13:48:58 +0300
Subject: [PATCH 35/36] Fixed tuple array parse

---
 lib/web3/eth/abi/type.rb | 4 ++--
 lib/web3/eth/version.rb  | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/web3/eth/abi/type.rb b/lib/web3/eth/abi/type.rb
index 00571aa..e29fecd 100644
--- a/lib/web3/eth/abi/type.rb
+++ b/lib/web3/eth/abi/type.rb
@@ -152,13 +152,13 @@ def self.parse types, dims
       end
       collected << current unless current.empty?
 
-      Tuple.new collected, dims
+      Tuple.new collected, dims.map {|x| x[1...-1].to_i}
 
     end
 
     attr_reader :types, :parsed_types
     def initialize types, dims
-      super('tuple', '', dims.map {|x| x[1...-1].to_i})
+      super('tuple', '', dims)
       @types = types
       @parsed_types = types.map{|t| Type.parse t}
     end
diff --git a/lib/web3/eth/version.rb b/lib/web3/eth/version.rb
index 8c4a936..a0ddfab 100644
--- a/lib/web3/eth/version.rb
+++ b/lib/web3/eth/version.rb
@@ -1,5 +1,5 @@
 module Web3
   module Eth
-    VERSION = "0.2.45"
+    VERSION = "0.2.46"
   end
 end

From 672f94081a70f3ece3d9b77d144364a51e88ffbc Mon Sep 17 00:00:00 2001
From: Quentin <quentin.github@bonnard.eu>
Date: Mon, 5 Apr 2021 13:29:49 +0200
Subject: [PATCH 36/36] Fix exception when etherscan responds no status

---
 lib/web3/eth/etherscan.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/web3/eth/etherscan.rb b/lib/web3/eth/etherscan.rb
index eea92f7..385ab1d 100644
--- a/lib/web3/eth/etherscan.rb
+++ b/lib/web3/eth/etherscan.rb
@@ -58,7 +58,7 @@ def request api_module, action, args = {}
 
           json = JSON.parse(response.body)
 
-          raise "Response #{json['message']} on request #{uri.to_s}" unless json['status']=='1'
+          raise "Response #{json['message']} on request #{uri.to_s}" if json['status'] && json['status']!='1'
 
           json['result']
 
@@ -68,4 +68,4 @@ def request api_module, action, args = {}
 
     end
   end
-end
\ No newline at end of file
+end