diff --git a/codex.nimble b/codex.nimble
index 9dda10ba..edc777f3 100644
--- a/codex.nimble
+++ b/codex.nimble
@@ -24,7 +24,11 @@ requires "nim >= 1.2.0",
          "questionable >= 0.10.2 & < 0.11.0",
          "secp256k1",
          "stew",
-         "upraises >= 0.1.0 & < 0.2.0"
+         "upraises >= 0.1.0 & < 0.2.0",
+         "lrucache",
+         "leopard",
+         "blscurve",
+         "libp2pdht"
 
 when declared(namedBin):
   namedBin = {
diff --git a/nimble.lock b/nimble.lock
index 00297892..d001256f 100644
--- a/nimble.lock
+++ b/nimble.lock
@@ -3,41 +3,40 @@
   "packages": {
     "stew": {
       "version": "0.1.0",
-      "vcsRevision": "bb705bf17b46d2c8f9bfb106d9cc7437009a2501",
-      "url": "https://github.com/status-im/nim-stew",
+      "vcsRevision": "6ad35b876fb6ebe0dfee0f697af173acc47906ee",
+      "url": "https://github.com/status-im/nim-stew.git",
       "downloadMethod": "git",
       "dependencies": [],
       "checksums": {
-        "sha1": "adac4b56a0dc35b1f5fc8fb66e8bb182100c857a"
+        "sha1": "46d58c4feb457f3241e3347778334e325dce5268"
       }
     },
     "unittest2": {
-      "version": "0.0.3",
-      "vcsRevision": "24eb5e829ed07e71e3a5d09786d5f80aa988874f",
+      "version": "0.0.4",
+      "vcsRevision": "f180f596c88dfd266f746ed6f8dbebce39c824db",
       "url": "https://github.com/status-im/nim-unittest2.git",
       "downloadMethod": "git",
       "dependencies": [],
       "checksums": {
-        "sha1": "0140709df36bca378cfa8678e04082f9a1fccabf"
+        "sha1": "fa309c41eaf6ef57895b9e603f2620a2f6e11780"
       }
     },
     "httputils": {
       "version": "0.3.0",
-      "vcsRevision": "40048e8b3e69284bdb5d4daa0a16ad93402c55db",
-      "url": "https://github.com/status-im/nim-http-utils",
+      "vcsRevision": "689da19e9e9cfff4ced85e2b25c6b2b5598ed079",
+      "url": "https://github.com/status-im/nim-http-utils.git",
       "downloadMethod": "git",
       "dependencies": [
-        "stew",
-        "unittest2"
+        "stew"
       ],
       "checksums": {
-        "sha1": "7a3ddd118b1f5eecd413a2effcc289cd19cb812e"
+        "sha1": "4ad3ad68d13c50184180ab4b2eacc0bd7ed2ed44"
       }
     },
     "nimcrypto": {
       "version": "0.5.4",
       "vcsRevision": "a5742a9a214ac33f91615f3862c7b099aec43b00",
-      "url": "https://github.com/cheatfate/nimcrypto",
+      "url": "https://github.com/cheatfate/nimcrypto.git",
       "downloadMethod": "git",
       "dependencies": [],
       "checksums": {
@@ -45,83 +44,100 @@
       }
     },
     "questionable": {
-      "version": "0.9.1",
-      "vcsRevision": "54516fd2d1afb9ac556099c061ec60aa201cae74",
-      "url": "https://github.com/markspanbroek/questionable",
+      "version": "0.10.2",
+      "vcsRevision": "6018fd43e033d5a5310faa45bcaa1b44049469a4",
+      "url": "https://github.com/status-im/questionable.git",
       "downloadMethod": "git",
       "dependencies": [],
       "checksums": {
-        "sha1": "534951f20e446566ab1f2a412a924b1f0da943af"
+        "sha1": "36a6c012637c7736a390e74a7f94667bca562073"
       }
     },
     "upraises": {
       "version": "0.1.0",
-      "vcsRevision": "d9f268db1021959fe0f2c7a5e49fba741f9932a0",
-      "url": "https://github.com/markspanbroek/upraises",
+      "vcsRevision": "ff4f8108e44fba9b35cac535ab63d3927e8fd3c2",
+      "url": "https://github.com/markspanbroek/upraises.git",
       "downloadMethod": "git",
       "dependencies": [],
       "checksums": {
-        "sha1": "176234f808b44a0be763df706ed634d6e8df17bb"
+        "sha1": "a0243c8039e12d547dbb2e9c73789c16bb8bc956"
       }
     },
     "secp256k1": {
       "version": "0.5.2",
-      "vcsRevision": "e092373a5cbe1fa25abfc62e0f2a5f138dc3fb13",
-      "url": "https://github.com/status-im/nim-secp256k1",
+      "vcsRevision": "5340cf188168d6afcafc8023770d880f067c0b2f",
+      "url": "https://github.com/status-im/nim-secp256k1.git",
       "downloadMethod": "git",
       "dependencies": [
         "stew",
         "nimcrypto"
       ],
       "checksums": {
-        "sha1": "75aafb13984bb6006e3c2a1e74be19ff40a08b0f"
+        "sha1": "ae9cbea4487be94a06653ffee075a7f1bd1e231e"
       }
     },
     "stint": {
       "version": "0.0.1",
-      "vcsRevision": "ddfa6c608a6c2a843d7b405f377a22703947267a",
-      "url": "https://github.com/status-im/nim-stint",
+      "vcsRevision": "036c71d06a6b22f8f967ba9d54afd2189c3872ca",
+      "url": "https://github.com/status-im/stint.git",
       "downloadMethod": "git",
       "dependencies": [
         "stew"
       ],
       "checksums": {
-        "sha1": "b08fe1fc190d9e07016cd4047d872836264adebe"
+        "sha1": "0f187a2115315ca898e5f9a30c5e506cf6057062"
+      }
+    },
+    "contractabi": {
+      "version": "0.4.4",
+      "vcsRevision": "b111c27b619fc1d81fb1c6942372824a18a71960",
+      "url": "https://github.com/status-im/nim-contract-abi",
+      "downloadMethod": "git",
+      "dependencies": [
+        "stint",
+        "stew",
+        "nimcrypto",
+        "questionable",
+        "upraises"
+      ],
+      "checksums": {
+        "sha1": "3ed10b11eec8fe14a81e4e58dbc41f88fd6ddf7a"
       }
     },
     "nitro": {
-      "version": "0.4.0",
-      "vcsRevision": "adcd534eb57be1c2535c2b34c62c8dd45e9e8252",
-      "url": "https://github.com/status-im/nim-nitro",
+      "version": "0.5.1",
+      "vcsRevision": "6b4c455bf4dad7449c1580055733a1738fcd5aec",
+      "url": "https://github.com/status-im/nim-nitro.git",
       "downloadMethod": "git",
       "dependencies": [
         "nimcrypto",
         "questionable",
         "upraises",
+        "contractabi",
         "secp256k1",
         "stint",
         "stew"
       ],
       "checksums": {
-        "sha1": "a1d33ed5176aa7c0bc112d5174187afee888e58d"
+        "sha1": "19d90deaeb84b19214dc2aab28a466f0bc4a7e2e"
       }
     },
     "bearssl": {
       "version": "0.1.5",
-      "vcsRevision": "ba80e2a0d7ae8aab666cee013e38ff8d33a3e5e7",
-      "url": "https://github.com/status-im/nim-bearssl",
+      "vcsRevision": "32e125015ae4251675763842366380795a91b722",
+      "url": "https://github.com/status-im/nim-bearssl.git",
       "downloadMethod": "git",
       "dependencies": [
         "unittest2"
       ],
       "checksums": {
-        "sha1": "383abd5becc77bf8e365b780a29d20529e1d9c4c"
+        "sha1": "c58a61e71c49ed7c7fe7608df40d60945f7c4bad"
       }
     },
     "chronos": {
       "version": "3.0.11",
-      "vcsRevision": "b47b2a96ce824fa331a76877df0b1764a0bcb6d9",
-      "url": "https://github.com/status-im/nim-chronos",
+      "vcsRevision": "17fed89c99beac5a92d3668d0d3e9b0e4ac13936",
+      "url": "https://github.com/status-im/nim-chronos.git",
       "downloadMethod": "git",
       "dependencies": [
         "stew",
@@ -130,7 +146,7 @@
         "unittest2"
       ],
       "checksums": {
-        "sha1": "b74877f986ee5128261dc863c647cbfbc895a686"
+        "sha1": "f6fffc87571e5f76af2a77c4ebcc0e00909ced4e"
       }
     },
     "testutils": {
@@ -147,8 +163,8 @@
     },
     "faststreams": {
       "version": "0.3.0",
-      "vcsRevision": "37a183153c071539ab870f427c09a1376ba311b9",
-      "url": "https://github.com/status-im/nim-faststreams",
+      "vcsRevision": "1b561a9e71b6bdad1c1cdff753418906037e9d09",
+      "url": "https://github.com/status-im/nim-faststreams.git",
       "downloadMethod": "git",
       "dependencies": [
         "stew",
@@ -157,13 +173,13 @@
         "unittest2"
       ],
       "checksums": {
-        "sha1": "5f7dbee99012f64e5d2365337e0a1fa056af63a0"
+        "sha1": "97edf9797924af48566a0af8267203dc21d80c77"
       }
     },
     "serialization": {
       "version": "0.1.0",
-      "vcsRevision": "37bc0db558d85711967acb16e9bb822b06911d46",
-      "url": "https://github.com/status-im/nim-serialization",
+      "vcsRevision": "fcd0eadadde0ee000a63df8ab21dc4e9f015a790",
+      "url": "https://github.com/status-im/nim-serialization.git",
       "downloadMethod": "git",
       "dependencies": [
         "faststreams",
@@ -171,39 +187,39 @@
         "stew"
       ],
       "checksums": {
-        "sha1": "5420a09b1d955e77971389852951892f42150241"
+        "sha1": "fef59519892cac70cccd81b612085caaa5e3e6cf"
       }
     },
     "json_serialization": {
       "version": "0.1.0",
-      "vcsRevision": "4b8f487d2dfdd941df7408ceaa70b174cce02180",
-      "url": "https://github.com/status-im/nim-json-serialization",
+      "vcsRevision": "c5f0e2465e8375dfc7aa0f56ccef67cb680bc6b0",
+      "url": "https://github.com/status-im/nim-json-serialization.git",
       "downloadMethod": "git",
       "dependencies": [
         "serialization",
         "stew"
       ],
       "checksums": {
-        "sha1": "942d54991c742b5d21c6999b0481e0f276650c62"
+        "sha1": "d89d79d0679a3a41b350e3ad4be56c0308cc5ec6"
       }
     },
     "chronicles": {
       "version": "0.10.2",
-      "vcsRevision": "2a2681b60289aaf7895b7056f22616081eb1a882",
-      "url": "https://github.com/status-im/nim-chronicles",
+      "vcsRevision": "1682096306ddba8185dcfac360a8c3f952d721e4",
+      "url": "https://github.com/status-im/nim-chronicles.git",
       "downloadMethod": "git",
       "dependencies": [
         "testutils",
         "json_serialization"
       ],
       "checksums": {
-        "sha1": "25a184d59b6ffa7e47498a56a12f8a313c748863"
+        "sha1": "9a5bebb76b0f7d587a31e621d260119279e91c76"
       }
     },
     "presto": {
       "version": "0.0.4",
-      "vcsRevision": "22746c5cd20522176a4a4de1d660c735087517e9",
-      "url": "https://github.com/status-im/nim-presto",
+      "vcsRevision": "962bb588d19c7180e39f0d9f18131e75861bab20",
+      "url": "https://github.com/status-im/nim-presto.git",
       "downloadMethod": "git",
       "dependencies": [
         "chronos",
@@ -211,7 +227,7 @@
         "stew"
       ],
       "checksums": {
-        "sha1": "7b7b6977d77fa4b403c7ce6fc11de7a46950fe6d"
+        "sha1": "8d3e77d7ddf14606504fe86c430b1b5712aada92"
       }
     },
     "zlib": {
@@ -237,60 +253,59 @@
       }
     },
     "dnsclient": {
-      "version": "0.1.0",
-      "vcsRevision": "647ed10deca7758a147c7f0af90d5addfe514c0f",
-      "url": "https://github.com/ba0f3/dnsclient.nim",
+      "version": "0.1.2",
+      "vcsRevision": "fbb76f8af8a33ab818184a7d4406d9fee20993be",
+      "url": "https://github.com/ba0f3/dnsclient.nim.git",
       "downloadMethod": "git",
       "dependencies": [],
       "checksums": {
-        "sha1": "ddf1f02944db2802fbb9dfe8b11085681b3b2a46"
+        "sha1": "663239a914c814204b30dda6e0902cc0fbd0b8ee"
       }
     },
     "metrics": {
       "version": "0.0.1",
-      "vcsRevision": "71e0f0e354e1f4c59e3dc92153989c8b723c3440",
-      "url": "https://github.com/status-im/nim-metrics",
+      "vcsRevision": "743f81d4f6c6ebf0ac02389f2392ff8b4235bee5",
+      "url": "https://github.com/status-im/nim-metrics.git",
       "downloadMethod": "git",
       "dependencies": [
         "chronos"
       ],
       "checksums": {
-        "sha1": "86da251fe532ef2163da30343688ab1c148c0340"
+        "sha1": "6274c7ae424b871bc21ca3a6b6713971ff6a8095"
       }
     },
     "asynctest": {
-      "version": "0.3.0",
-      "vcsRevision": "3882ed64ed3159578f796bc5ae0c6b13837fe798",
-      "url": "https://github.com/markspanbroek/asynctest",
+      "version": "0.3.1",
+      "vcsRevision": "5347c59b4b057443a014722aa40800cd8bb95c69",
+      "url": "https://github.com/status-im/asynctest.git",
       "downloadMethod": "git",
       "dependencies": [],
       "checksums": {
-        "sha1": "7a3182c135b291e8e486d83accfc6d960cf75191"
+        "sha1": "53e0b610d13700296755a4ebe789882cae47a3b9"
       }
     },
     "websock": {
       "version": "0.1.0",
-      "vcsRevision": "73edde4417f7b45003113b7a34212c3ccd95b9fd",
-      "url": "https://github.com/status-im/nim-websock",
+      "vcsRevision": "8a433c6ba43940b13ce56f83d79a93273ece5684",
+      "url": "https://github.com/status-im/nim-websock.git",
       "downloadMethod": "git",
       "dependencies": [
         "chronos",
         "httputils",
         "chronicles",
         "stew",
-        "asynctest",
         "nimcrypto",
         "bearssl",
         "zlib"
       ],
       "checksums": {
-        "sha1": "ec2b137543f280298ca48de9ed4461a033ba88d3"
+        "sha1": "1dbb4e1dd8c525c5674dca42b8eb25bdeb2f76b3"
       }
     },
     "libp2p": {
       "version": "0.0.2",
-      "vcsRevision": "58f383e661521314df314e7096c24db5a7490372",
-      "url": "https://github.com/status-im/nim-libp2p",
+      "vcsRevision": "eeb3c210a37408716b6a8b45f578adf87610cef2",
+      "url": "https://github.com/status-im/nim-libp2p.git",
       "downloadMethod": "git",
       "dependencies": [
         "nimcrypto",
@@ -304,13 +319,13 @@
         "websock"
       ],
       "checksums": {
-        "sha1": "58b1e544b91c886a4633946e9685d043417eaf16"
+        "sha1": "e9e9b93e6e425e47df1eea01a8e9efeac6e0fc97"
       }
     },
     "combparser": {
       "version": "0.2.0",
       "vcsRevision": "ba4464c005d7617c008e2ed2ebc1ba52feb469c6",
-      "url": "https://github.com/PMunch/combparser",
+      "url": "https://github.com/PMunch/combparser.git",
       "downloadMethod": "git",
       "dependencies": [],
       "checksums": {
@@ -319,8 +334,8 @@
     },
     "protobuf_serialization": {
       "version": "0.2.0",
-      "vcsRevision": "ae13ff450b9e578d611fea2609aee46fdbd6ca99",
-      "url": "https://github.com/status-im/nim-protobuf-serialization",
+      "vcsRevision": "f7d671f877e01213494aac7903421ccdbe70616f",
+      "url": "https://github.com/status-im/nim-protobuf-serialization.git",
       "downloadMethod": "git",
       "dependencies": [
         "stew",
@@ -329,13 +344,13 @@
         "combparser"
       ],
       "checksums": {
-        "sha1": "8ea4647243be61be816f3a15239e648d1a9c1aed"
+        "sha1": "9418459027d0d5eb30a974649dc615a76e8e4aca"
       }
     },
     "confutils": {
       "version": "0.1.0",
       "vcsRevision": "0435e67832b6bb8dfdf0ddb102903e9d820206d2",
-      "url": "https://github.com/status-im/nim-confutils",
+      "url": "https://github.com/status-im/nim-confutils.git",
       "downloadMethod": "git",
       "dependencies": [
         "stew"
@@ -343,6 +358,124 @@
       "checksums": {
         "sha1": "1edab14b434aca6ae28e2385982fa60d623c600a"
       }
+    },
+    "news": {
+      "version": "0.5",
+      "vcsRevision": "e79420e835489132aaa412f993b565f5dd6295f4",
+      "url": "https://github.com/status-im/news",
+      "downloadMethod": "git",
+      "dependencies": [],
+      "checksums": {
+        "sha1": "a5f1789bf650822156712fd3bdec1bf6ab4ac42e"
+      }
+    },
+    "json_rpc": {
+      "version": "0.0.2",
+      "vcsRevision": "5a281760803907f4989cacf109b516381dfbbe11",
+      "url": "https://github.com/status-im/nim-json-rpc",
+      "downloadMethod": "git",
+      "dependencies": [
+        "stew",
+        "nimcrypto",
+        "stint",
+        "chronos",
+        "httputils",
+        "chronicles",
+        "news",
+        "websock",
+        "json_serialization"
+      ],
+      "checksums": {
+        "sha1": "3ec28a4c9e5dcd3210e85dfcfdd0a6baf46eccbe"
+      }
+    },
+    "ethers": {
+      "version": "0.1.7",
+      "vcsRevision": "270d358b869d02a4c625dde971f799db336670fb",
+      "url": "https://github.com/status-im/nim-ethers",
+      "downloadMethod": "git",
+      "dependencies": [
+        "chronos",
+        "contractabi",
+        "questionable",
+        "upraises",
+        "json_rpc",
+        "stint",
+        "stew"
+      ],
+      "checksums": {
+        "sha1": "3eb78a87744d5894595f33a36b21348a59d8f1a5"
+      }
+    },
+    "libp2pdht": {
+      "version": "0.0.1",
+      "vcsRevision": "9a872518d621bf8b390f88cd65617bca6aca1d2d",
+      "url": "https://github.com/status-im/nim-libp2p-dht.git",
+      "downloadMethod": "git",
+      "dependencies": [
+        "nimcrypto",
+        "bearssl",
+        "chronicles",
+        "chronos",
+        "libp2p",
+        "metrics",
+        "protobuf_serialization",
+        "secp256k1",
+        "stew",
+        "stint",
+        "asynctest"
+      ],
+      "checksums": {
+        "sha1": "d97e8b751e11ccc7e059b79fb1a046d2b0d0e872"
+      }
+    },
+    "lrucache": {
+      "version": "1.2.1",
+      "vcsRevision": "8767ade0b76ea5b5d4ce24a52d0c58a6ebeb66cd",
+      "url": "https://github.com/status-im/lrucache.nim",
+      "downloadMethod": "git",
+      "dependencies": [],
+      "checksums": {
+        "sha1": "2c4365d10029d6f6a8b92a712e9002ac3886b07d"
+      }
+    },
+    "leopard": {
+      "version": "0.0.1",
+      "vcsRevision": "2a6a63923e9b95676b5ae7ff2c346be0e63e753c",
+      "url": "https://github.com/status-im/nim-leopard",
+      "downloadMethod": "git",
+      "dependencies": [
+        "stew",
+        "unittest2",
+        "upraises"
+      ],
+      "checksums": {
+        "sha1": "e71db348018eab26f3059e1c03bf3088c5109cfe"
+      }
+    },
+    "taskpools": {
+      "version": "0.0.3",
+      "vcsRevision": "8d408ac6cfc9c24ec8b7b65d5993e85050dcbaa9",
+      "url": "https://github.com/status-im/nim-taskpools.git",
+      "downloadMethod": "git",
+      "dependencies": [],
+      "checksums": {
+        "sha1": "37bbbbb03d9b893af6980592624211ab057392c0"
+      }
+    },
+    "blscurve": {
+      "version": "0.0.1",
+      "vcsRevision": "0237e4e0e914fc19359c18a66406d33bc942775c",
+      "url": "https://github.com/status-im/nim-blscurve",
+      "downloadMethod": "git",
+      "dependencies": [
+        "nimcrypto",
+        "stew",
+        "taskpools"
+      ],
+      "checksums": {
+        "sha1": "65f58854ffd2098e0d0ca08f6ea0efb3c27529e0"
+      }
     }
   }
-}
\ No newline at end of file
+}