From 876f1bf9e502aaab60cfff6657ad802224060eee Mon Sep 17 00:00:00 2001
From: Ayrat Badykov <ayratin555@gmail.com>
Date: Mon, 11 Mar 2019 15:43:29 +0300
Subject: [PATCH] verify smart contracts with evm versions

---
 ...ddress_contract_verification_controller.ex |    7 +-
 .../new.html.eex                              |    5 +
 .../fixture/smart_contract/solc_bin.json      | 2018 ++++++++++++++++-
 .../smart_contract/solidity/code_compiler.ex  |   13 +-
 .../lib/explorer/smart_contract/verifier.ex   |    4 +-
 apps/explorer/priv/compile_solc.js            |    3 +-
 .../solidity/code_compiler_test.exs           |   46 +-
 7 files changed, 2011 insertions(+), 85 deletions(-)

diff --git a/apps/block_scout_web/lib/block_scout_web/controllers/address_contract_verification_controller.ex b/apps/block_scout_web/lib/block_scout_web/controllers/address_contract_verification_controller.ex
index febfadef62..a8227cd4eb 100644
--- a/apps/block_scout_web/lib/block_scout_web/controllers/address_contract_verification_controller.ex
+++ b/apps/block_scout_web/lib/block_scout_web/controllers/address_contract_verification_controller.ex
@@ -21,10 +21,13 @@ defmodule BlockScoutWeb.AddressContractVerificationController do
         %{
           "address_id" => address_hash_string,
           "smart_contract" => smart_contract,
-          "external_libraries" => external_libraries
+          "external_libraries" => external_libraries,
+          "evm_version" => evm_version
         }
       ) do
-    case Publisher.publish(address_hash_string, smart_contract, external_libraries) do
+    smart_sontact_with_evm_version = Map.put(smart_contract, "evm_version", evm_version)
+
+    case Publisher.publish(address_hash_string, smart_sontact_with_evm_version, external_libraries) do
       {:ok, _smart_contract} ->
         redirect(conn, to: address_contract_path(conn, :index, address_hash_string))
 
diff --git a/apps/block_scout_web/lib/block_scout_web/templates/address_contract_verification/new.html.eex b/apps/block_scout_web/lib/block_scout_web/templates/address_contract_verification/new.html.eex
index 220426b31f..868cc1af38 100644
--- a/apps/block_scout_web/lib/block_scout_web/templates/address_contract_verification/new.html.eex
+++ b/apps/block_scout_web/lib/block_scout_web/templates/address_contract_verification/new.html.eex
@@ -27,6 +27,11 @@
           <%= error_tag f, :compiler_version, id: "compiler-help-block", class: "text-danger" %>
         </div>
 
+        <div class="form-group">
+          <%= label :evm_version, :evm_version, gettext("EVM Vesion") %>
+          <%= text_input :evm_version, :evmversion, class: "form-control", "aria-describedby": "contract-name-help-block" %>
+        </div>
+
         <div class="form-group mb-4">
           <%= label f, "Optimization" %>
 
diff --git a/apps/block_scout_web/test/support/fixture/smart_contract/solc_bin.json b/apps/block_scout_web/test/support/fixture/smart_contract/solc_bin.json
index 454cef29f7..263ede4fc8 100644
--- a/apps/block_scout_web/test/support/fixture/smart_contract/solc_bin.json
+++ b/apps/block_scout_web/test/support/fixture/smart_contract/solc_bin.json
@@ -1,3 +1,6 @@
+// 20190311153836
+// https://raw.githubusercontent.com/ethereum/solc-bin/gh-pages/bin/list.json
+
 {
   "builds": [
     {
@@ -728,25 +731,25 @@
       ]
     },
     {
-      "path": "soljson-v0.3.0-nightly.2016.3.30+commit.c2cf806.js",
+      "path": "soljson-v0.3.0-nightly.2016.3.30+commit.2acdfc5.js",
       "version": "0.3.0",
       "prerelease": "nightly.2016.3.30",
-      "build": "commit.c2cf806",
-      "longVersion": "0.3.0-nightly.2016.3.30+commit.c2cf806",
-      "keccak256": "0xc87e8cd1b4ef246eb76137265ea40490eb9be91024767b5d298c7dd0b46107dc",
+      "build": "commit.2acdfc5",
+      "longVersion": "0.3.0-nightly.2016.3.30+commit.2acdfc5",
+      "keccak256": "0x941db66dc175ec3a7e26bf191480f13f7835c4e24fd19a0d081754451a617a40",
       "urls": [
-        "bzzr://ddbb6ecffbdbb42afb09812ce9b02fabe053b0be8eac465e5686bc03f30a5043"
+        "bzzr://845b79a638cc6e4c689e4eee8d7e6b65e67fc0f2c089301318fdd6f3290303da"
       ]
     },
     {
-      "path": "soljson-v0.3.0-nightly.2016.3.30+commit.2acdfc5.js",
+      "path": "soljson-v0.3.0-nightly.2016.3.30+commit.c2cf806.js",
       "version": "0.3.0",
       "prerelease": "nightly.2016.3.30",
-      "build": "commit.2acdfc5",
-      "longVersion": "0.3.0-nightly.2016.3.30+commit.2acdfc5",
-      "keccak256": "0x941db66dc175ec3a7e26bf191480f13f7835c4e24fd19a0d081754451a617a40",
+      "build": "commit.c2cf806",
+      "longVersion": "0.3.0-nightly.2016.3.30+commit.c2cf806",
+      "keccak256": "0xc87e8cd1b4ef246eb76137265ea40490eb9be91024767b5d298c7dd0b46107dc",
       "urls": [
-        "bzzr://845b79a638cc6e4c689e4eee8d7e6b65e67fc0f2c089301318fdd6f3290303da"
+        "bzzr://ddbb6ecffbdbb42afb09812ce9b02fabe053b0be8eac465e5686bc03f30a5043"
       ]
     },
     {
@@ -902,25 +905,25 @@
       ]
     },
     {
-      "path": "soljson-v0.3.2-nightly.2016.5.12+commit.c06051d.js",
+      "path": "soljson-v0.3.2-nightly.2016.5.12+commit.73ede5b.js",
       "version": "0.3.2",
       "prerelease": "nightly.2016.5.12",
-      "build": "commit.c06051d",
-      "longVersion": "0.3.2-nightly.2016.5.12+commit.c06051d",
-      "keccak256": "0xde87b806132ac2e7aa80942e562aa07c0ae289ad6f8652795c73cc17a839bd8b",
+      "build": "commit.73ede5b",
+      "longVersion": "0.3.2-nightly.2016.5.12+commit.73ede5b",
+      "keccak256": "0xb6123a4f4145798d586cd4dab2bb33407f8bfc7fc4e3b888a69ff72b0fec3dc9",
       "urls": [
-        "bzzr://50eecd81d0d0450ae1a9b96dc4b326ccea3b808d59b95db44b828c0e2dac5d87"
+        "bzzr://e6e12735593aea666821ccdaddff3f75bf1f59228060b28928cd54cd946397b6"
       ]
     },
     {
-      "path": "soljson-v0.3.2-nightly.2016.5.12+commit.73ede5b.js",
+      "path": "soljson-v0.3.2-nightly.2016.5.12+commit.c06051d.js",
       "version": "0.3.2",
       "prerelease": "nightly.2016.5.12",
-      "build": "commit.73ede5b",
-      "longVersion": "0.3.2-nightly.2016.5.12+commit.73ede5b",
-      "keccak256": "0xb6123a4f4145798d586cd4dab2bb33407f8bfc7fc4e3b888a69ff72b0fec3dc9",
+      "build": "commit.c06051d",
+      "longVersion": "0.3.2-nightly.2016.5.12+commit.c06051d",
+      "keccak256": "0xde87b806132ac2e7aa80942e562aa07c0ae289ad6f8652795c73cc17a839bd8b",
       "urls": [
-        "bzzr://e6e12735593aea666821ccdaddff3f75bf1f59228060b28928cd54cd946397b6"
+        "bzzr://50eecd81d0d0450ae1a9b96dc4b326ccea3b808d59b95db44b828c0e2dac5d87"
       ]
     },
     {
@@ -1098,22 +1101,22 @@
       ]
     },
     {
-      "path": "soljson-v0.3.4-nightly.2016.6.8+commit.ccddd6f.js",
+      "path": "soljson-v0.3.4-nightly.2016.6.8+commit.93790d.js",
       "version": "0.3.4",
       "prerelease": "nightly.2016.6.8",
-      "build": "commit.ccddd6f",
-      "longVersion": "0.3.4-nightly.2016.6.8+commit.ccddd6f",
+      "build": "commit.93790d",
+      "longVersion": "0.3.4-nightly.2016.6.8+commit.93790d",
       "keccak256": "0xe12afc1c789ce1411099d38d7d7753a84639667c5ecd3baa2f0ed03b39566f9f",
       "urls": [
         "bzzr://655262be96635213d044d344bbb5158ec70d036bbc3efe068bf89361eaa5cd80"
       ]
     },
     {
-      "path": "soljson-v0.3.4-nightly.2016.6.8+commit.93790d.js",
+      "path": "soljson-v0.3.4-nightly.2016.6.8+commit.ccddd6f.js",
       "version": "0.3.4",
       "prerelease": "nightly.2016.6.8",
-      "build": "commit.93790d",
-      "longVersion": "0.3.4-nightly.2016.6.8+commit.93790d",
+      "build": "commit.ccddd6f",
+      "longVersion": "0.3.4-nightly.2016.6.8+commit.ccddd6f",
       "keccak256": "0xe12afc1c789ce1411099d38d7d7753a84639667c5ecd3baa2f0ed03b39566f9f",
       "urls": [
         "bzzr://655262be96635213d044d344bbb5158ec70d036bbc3efe068bf89361eaa5cd80"
@@ -1306,14 +1309,14 @@
       ]
     },
     {
-      "path": "soljson-v0.3.5-nightly.2016.8.8+commit.c3ed550.js",
+      "path": "soljson-v0.3.5-nightly.2016.8.8+commit.b13e581.js",
       "version": "0.3.5",
       "prerelease": "nightly.2016.8.8",
-      "build": "commit.c3ed550",
-      "longVersion": "0.3.5-nightly.2016.8.8+commit.c3ed550",
-      "keccak256": "0x9cdeb8e6a6e278eb0279ef3bd501e88e0d9a8ab5832b648be5ccfe4bb190e386",
+      "build": "commit.b13e581",
+      "longVersion": "0.3.5-nightly.2016.8.8+commit.b13e581",
+      "keccak256": "0x8357db2c7b425a685fc6cefe46231398825dbfb73c65f8d450b7773d119f424f",
       "urls": [
-        "bzzr://b41dc93f2b2b8ffbe8e75cd7a81acc94ec9af105c1ed0633a296d9778dd89953"
+        "bzzr://d02f684350666829cfb6cb4ba4601a5e5c76a601fc7f3c22f9c4d2e58c9b3297"
       ]
     },
     {
@@ -1339,25 +1342,25 @@
       ]
     },
     {
-      "path": "soljson-v0.3.5-nightly.2016.8.8+commit.b13e581.js",
+      "path": "soljson-v0.3.5-nightly.2016.8.8+commit.c3ed550.js",
       "version": "0.3.5",
       "prerelease": "nightly.2016.8.8",
-      "build": "commit.b13e581",
-      "longVersion": "0.3.5-nightly.2016.8.8+commit.b13e581",
-      "keccak256": "0x8357db2c7b425a685fc6cefe46231398825dbfb73c65f8d450b7773d119f424f",
+      "build": "commit.c3ed550",
+      "longVersion": "0.3.5-nightly.2016.8.8+commit.c3ed550",
+      "keccak256": "0x9cdeb8e6a6e278eb0279ef3bd501e88e0d9a8ab5832b648be5ccfe4bb190e386",
       "urls": [
-        "bzzr://d02f684350666829cfb6cb4ba4601a5e5c76a601fc7f3c22f9c4d2e58c9b3297"
+        "bzzr://b41dc93f2b2b8ffbe8e75cd7a81acc94ec9af105c1ed0633a296d9778dd89953"
       ]
     },
     {
-      "path": "soljson-v0.3.5-nightly.2016.8.10+commit.fc60839.js",
+      "path": "soljson-v0.3.5-nightly.2016.8.10+commit.e6a031d.js",
       "version": "0.3.5",
       "prerelease": "nightly.2016.8.10",
-      "build": "commit.fc60839",
-      "longVersion": "0.3.5-nightly.2016.8.10+commit.fc60839",
-      "keccak256": "0x170aaf57cce5775e54d911e667f6fe429b229642d6bd2af64cb81e15c340b1d5",
+      "build": "commit.e6a031d",
+      "longVersion": "0.3.5-nightly.2016.8.10+commit.e6a031d",
+      "keccak256": "0xb35ead8bcc99a124a721833d8d6f1d1c275f7585d1c356c307ca455aadc1eca5",
       "urls": [
-        "bzzr://779e608822be84bea08e72d7e2e21afe77592f46865618e4f3bee756d0d75bb7"
+        "bzzr://302edd503fca336fe7d0cb2b17068d749558d264606776fa169cd485016716e8"
       ]
     },
     {
@@ -1372,14 +1375,14 @@
       ]
     },
     {
-      "path": "soljson-v0.3.5-nightly.2016.8.10+commit.e6a031d.js",
+      "path": "soljson-v0.3.5-nightly.2016.8.10+commit.fc60839.js",
       "version": "0.3.5",
       "prerelease": "nightly.2016.8.10",
-      "build": "commit.e6a031d",
-      "longVersion": "0.3.5-nightly.2016.8.10+commit.e6a031d",
-      "keccak256": "0xb35ead8bcc99a124a721833d8d6f1d1c275f7585d1c356c307ca455aadc1eca5",
+      "build": "commit.fc60839",
+      "longVersion": "0.3.5-nightly.2016.8.10+commit.fc60839",
+      "keccak256": "0x170aaf57cce5775e54d911e667f6fe429b229642d6bd2af64cb81e15c340b1d5",
       "urls": [
-        "bzzr://302edd503fca336fe7d0cb2b17068d749558d264606776fa169cd485016716e8"
+        "bzzr://779e608822be84bea08e72d7e2e21afe77592f46865618e4f3bee756d0d75bb7"
       ]
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@@ -1393,25 +1396,25 @@
       ]
     },
     {
-      "path": "soljson-v0.3.6-nightly.2016.8.10+commit.5a37403.js",
+      "path": "soljson-v0.3.6-nightly.2016.8.10+commit.55858de.js",
       "version": "0.3.6",
       "prerelease": "nightly.2016.8.10",
-      "build": "commit.5a37403",
-      "longVersion": "0.3.6-nightly.2016.8.10+commit.5a37403",
-      "keccak256": "0x9f0aab369eba0ee040e48a1fe8a0bc32c5f3c30738086a109384aa004982ce1a",
+      "build": "commit.55858de",
+      "longVersion": "0.3.6-nightly.2016.8.10+commit.55858de",
+      "keccak256": "0xe56b296cd823483b2137ffa47eb6a1749a8b69c7d54dc051104b94da6049a987",
       "urls": [
-        "bzzr://b529c664ed0eb282ca2401ec5b6b5a5991b8fad6e5a7674d90690a688b78b3ec"
+        "bzzr://95cb5155dec82805ccf1cd4aeaa60f980d270766852d23e78c54b336bba67f12"
       ]
     },
     {
-      "path": "soljson-v0.3.6-nightly.2016.8.10+commit.55858de.js",
+      "path": "soljson-v0.3.6-nightly.2016.8.10+commit.5a37403.js",
       "version": "0.3.6",
       "prerelease": "nightly.2016.8.10",
-      "build": "commit.55858de",
-      "longVersion": "0.3.6-nightly.2016.8.10+commit.55858de",
-      "keccak256": "0xe56b296cd823483b2137ffa47eb6a1749a8b69c7d54dc051104b94da6049a987",
+      "build": "commit.5a37403",
+      "longVersion": "0.3.6-nightly.2016.8.10+commit.5a37403",
+      "keccak256": "0x9f0aab369eba0ee040e48a1fe8a0bc32c5f3c30738086a109384aa004982ce1a",
       "urls": [
-        "bzzr://95cb5155dec82805ccf1cd4aeaa60f980d270766852d23e78c54b336bba67f12"
+        "bzzr://b529c664ed0eb282ca2401ec5b6b5a5991b8fad6e5a7674d90690a688b78b3ec"
       ]
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     {
@@ -1763,17 +1766,6 @@
         "bzzr://76469bdc088b6b397b763321fdfbaf7991e2736bdbaabb03233a1d0e9dc30ee0"
       ]
     },
-    {
-      "path": "soljson-v0.4.2-nightly.2016.9.17+commit.62f13ad8.js",
-      "version": "0.4.2",
-      "prerelease": "nightly.2016.9.17",
-      "build": "commit.62f13ad8",
-      "longVersion": "0.4.2-nightly.2016.9.17+commit.62f13ad8",
-      "keccak256": "0x853dd52bc89a2bfef3a2ce38c09d56b822822f5145c30e0753a6520a08816dce",
-      "urls": [
-        "bzzr://efa398a84d2cbe23036ba95ee12afa2f31721ea7124e4c40a391cbde2bb4f4c4"
-      ]
-    },
     {
       "path": "soljson-v0.4.2-nightly.2016.9.17+commit.bc8476a.js",
       "version": "0.4.2",
@@ -1786,14 +1778,14 @@
       ]
     },
     {
-      "path": "soljson-v0.4.2-nightly.2016.9.17+commit.60f432e8.js",
+      "path": "soljson-v0.4.2-nightly.2016.9.17+commit.a78e7794.js",
       "version": "0.4.2",
       "prerelease": "nightly.2016.9.17",
-      "build": "commit.60f432e8",
-      "longVersion": "0.4.2-nightly.2016.9.17+commit.60f432e8",
-      "keccak256": "0x0bcb25fd69cbb24655466c203c866e3cc4d92d9551bab4c53f420ab025eac337",
+      "build": "commit.a78e7794",
+      "longVersion": "0.4.2-nightly.2016.9.17+commit.a78e7794",
+      "keccak256": "0xd1bb55279a6297283df0065f0c735602dd3e71a4397b75783b1e22af3c797d19",
       "urls": [
-        "bzzr://2efa3a6cb5c030bb53bc03c4cf78e2dd48a5d4872bd0f4a3c337ec19b2dc933f"
+        "bzzr://d8fe745cc4d7ff97f151cb849cc1944138dc3821cb352472cc3bf01ee1cad4a8"
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     {
@@ -1808,14 +1800,25 @@
       ]
     },
     {
-      "path": "soljson-v0.4.2-nightly.2016.9.17+commit.a78e7794.js",
+      "path": "soljson-v0.4.2-nightly.2016.9.17+commit.60f432e8.js",
       "version": "0.4.2",
       "prerelease": "nightly.2016.9.17",
-      "build": "commit.a78e7794",
-      "longVersion": "0.4.2-nightly.2016.9.17+commit.a78e7794",
-      "keccak256": "0xd1bb55279a6297283df0065f0c735602dd3e71a4397b75783b1e22af3c797d19",
+      "build": "commit.60f432e8",
+      "longVersion": "0.4.2-nightly.2016.9.17+commit.60f432e8",
+      "keccak256": "0x0bcb25fd69cbb24655466c203c866e3cc4d92d9551bab4c53f420ab025eac337",
       "urls": [
-        "bzzr://d8fe745cc4d7ff97f151cb849cc1944138dc3821cb352472cc3bf01ee1cad4a8"
+        "bzzr://2efa3a6cb5c030bb53bc03c4cf78e2dd48a5d4872bd0f4a3c337ec19b2dc933f"
+      ]
+    },
+    {
+      "path": "soljson-v0.4.2-nightly.2016.9.17+commit.62f13ad8.js",
+      "version": "0.4.2",
+      "prerelease": "nightly.2016.9.17",
+      "build": "commit.62f13ad8",
+      "longVersion": "0.4.2-nightly.2016.9.17+commit.62f13ad8",
+      "keccak256": "0x853dd52bc89a2bfef3a2ce38c09d56b822822f5145c30e0753a6520a08816dce",
+      "urls": [
+        "bzzr://efa398a84d2cbe23036ba95ee12afa2f31721ea7124e4c40a391cbde2bb4f4c4"
       ]
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@@ -5985,9 +5988,1868 @@
       "urls": [
         "bzzr://0005e5682dd04228df8307d747263acf0c441fcadccceeb48c8174e92783aed2"
       ]
+    },
+    {
+      "path": "soljson-v0.4.25-nightly.2018.6.22+commit.9b67bdb3.js",
+      "version": "0.4.25",
+      "prerelease": "nightly.2018.6.22",
+      "build": "commit.9b67bdb3",
+      "longVersion": "0.4.25-nightly.2018.6.22+commit.9b67bdb3",
+      "keccak256": "0xd15d991e87f04bebd172121d28f52a322d25e987eb777c672808761600fee06c",
+      "urls": [
+        "bzzr://06df461b1657373167dae4f6c8301c0c3b44b7260731e9d7729afb756dcaa186"
+      ]
+    },
+    {
+      "path": "soljson-v0.4.25-nightly.2018.6.25+commit.b7003505.js",
+      "version": "0.4.25",
+      "prerelease": "nightly.2018.6.25",
+      "build": "commit.b7003505",
+      "longVersion": "0.4.25-nightly.2018.6.25+commit.b7003505",
+      "keccak256": "0x1f79c6d21b4aa1cbf2c304d976e7c1625b4984c4aa9ef511ac3b17ad890cd8de",
+      "urls": [
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+    "0.5.4": "soljson-v0.5.4+commit.9549d8ff.js",
+    "0.5.3": "soljson-v0.5.3+commit.10d17f24.js",
+    "0.5.2": "soljson-v0.5.2+commit.1df8f40c.js",
+    "0.5.1": "soljson-v0.5.1+commit.c8a2cb62.js",
+    "0.5.0": "soljson-v0.5.0+commit.1d4f565a.js",
+    "0.4.25": "soljson-v0.4.25+commit.59dbf8f1.js",
     "0.4.24": "soljson-v0.4.24+commit.e67f0147.js",
     "0.4.23": "soljson-v0.4.23+commit.124ca40d.js",
     "0.4.22": "soljson-v0.4.22+commit.4cb486ee.js",
@@ -6031,5 +7893,5 @@
     "0.1.2": "soljson-v0.1.2+commit.d0d36e3.js",
     "0.1.1": "soljson-v0.1.1+commit.6ff4cd6.js"
   },
-  "latestRelease": "0.4.24"
+  "latestRelease": "0.5.5"
 }
diff --git a/apps/explorer/lib/explorer/smart_contract/solidity/code_compiler.ex b/apps/explorer/lib/explorer/smart_contract/solidity/code_compiler.ex
index e9b01836c4..0b3bd7dd2a 100644
--- a/apps/explorer/lib/explorer/smart_contract/solidity/code_compiler.ex
+++ b/apps/explorer/lib/explorer/smart_contract/solidity/code_compiler.ex
@@ -4,6 +4,7 @@ defmodule Explorer.SmartContract.Solidity.CodeCompiler do
   """
 
   @new_contract_name "New.sol"
+  @allowed_evm_versions ["homestead", "tangerineWhistle", "spuriousDragon", "byzantium", "constantinople"]
 
   @doc """
   Compiles a code in the solidity command line.
@@ -60,9 +61,16 @@ defmodule Explorer.SmartContract.Solidity.CodeCompiler do
         }
       }
   """
-  def run(name, compiler_version, code, optimize, external_libs \\ %{}) do
+  def run(name, compiler_version, code, optimize, evm_version \\ "byzantium", external_libs \\ %{}) do
     external_libs_string = Jason.encode!(external_libs)
 
+    evm_version =
+      if evm_version in @allowed_evm_versions do
+        evm_version
+      else
+        "byzantium"
+      end
+
     {response, _status} =
       System.cmd(
         "node",
@@ -72,7 +80,8 @@ defmodule Explorer.SmartContract.Solidity.CodeCompiler do
           compiler_version,
           optimize_value(optimize),
           @new_contract_name,
-          external_libs_string
+          external_libs_string,
+          evm_version
         ]
       )
 
diff --git a/apps/explorer/lib/explorer/smart_contract/verifier.ex b/apps/explorer/lib/explorer/smart_contract/verifier.ex
index d7df613f33..1e348bfd12 100644
--- a/apps/explorer/lib/explorer/smart_contract/verifier.ex
+++ b/apps/explorer/lib/explorer/smart_contract/verifier.ex
@@ -23,8 +23,10 @@ defmodule Explorer.SmartContract.Verifier do
     compiler_version = Map.fetch!(params, "compiler_version")
     external_libraries = Map.get(params, "external_libraries", %{})
     constructor_arguments = Map.get(params, "constructor_arguments", "")
+    evm_version = Map.get(params, "evm_version", "byzantium")
 
-    solc_output = CodeCompiler.run(name, compiler_version, contract_source_code, optimization, external_libraries)
+    solc_output =
+      CodeCompiler.run(name, compiler_version, contract_source_code, optimization, evm_version, external_libraries)
 
     compare_bytecodes(solc_output, address_hash, constructor_arguments)
   end
diff --git a/apps/explorer/priv/compile_solc.js b/apps/explorer/priv/compile_solc.js
index 3c4bd0b78b..2ed0ff2664 100755
--- a/apps/explorer/priv/compile_solc.js
+++ b/apps/explorer/priv/compile_solc.js
@@ -7,6 +7,7 @@ var version = process.argv[3];
 var optimize = process.argv[4];
 var newContractName = process.argv[5];
 var externalLibraries = JSON.parse(process.argv[6])
+var evmVersion = process.argv[7]
 
 var compiled_code = solc.loadRemoteVersion(version, function (err, solcSnapshot) {
   if (err) {
@@ -20,7 +21,7 @@ var compiled_code = solc.loadRemoteVersion(version, function (err, solcSnapshot)
         }
       },
       settings: {
-        evmVersion: 'byzantium',
+        evmVersion: evmVersion,
         optimizer: {
           enabled: optimize == '1',
           runs: 200
diff --git a/apps/explorer/test/explorer/smart_contract/solidity/code_compiler_test.exs b/apps/explorer/test/explorer/smart_contract/solidity/code_compiler_test.exs
index b48a6650af..ebf13a4d41 100644
--- a/apps/explorer/test/explorer/smart_contract/solidity/code_compiler_test.exs
+++ b/apps/explorer/test/explorer/smart_contract/solidity/code_compiler_test.exs
@@ -65,6 +65,7 @@ defmodule Explorer.SmartContract.Solidity.CodeCompilerTest do
             compiler_version,
             contract,
             optimize,
+            "byzantium",
             external_libraries
           )
 
@@ -75,7 +76,50 @@ defmodule Explorer.SmartContract.Solidity.CodeCompilerTest do
       end)
     end
 
-    test "compile in an older solidity version" do
+    test "compiles with constantinople evm version" do
+      optimize = false
+      name = "MyTest"
+
+      code = """
+       pragma solidity 0.5.2;
+
+       contract MyTest {
+           constructor() public {
+           }
+
+           mapping(address => bytes32) public myMapping;
+
+           function contractHash(address _addr) public {
+               bytes32 hash;
+               assembly { hash := extcodehash(_addr) }
+               myMapping[_addr] = hash;
+           }
+
+           function justHash(bytes memory _bytes)
+               public
+               pure
+               returns (bytes32)
+           {
+               return keccak256(_bytes);
+           }
+       }
+      """
+
+      version = "v0.5.2+commit.1df8f40c"
+
+      evm_version = "constantinople"
+
+      response = CodeCompiler.run(name, version, code, optimize, evm_version)
+
+      assert {:ok,
+              %{
+                "abi" => _,
+                "bytecode" => _,
+                "name" => _
+              }} = response
+    end
+
+    test "compiles in an older solidity version" do
       optimize = false
       name = "SimpleStorage"