use nixpkgs 23.05

default.nix

@@ -39,7 +39,7 @@ in
 buildGoApplication rec {
   pname = "chain-maind";
   version = "4.2.8";
-  go = buildPackages.go_1_21;
+  go = buildPackages.go_1_20;
   src = lib.cleanSourceWith {
     name = "src";
     src = lib.sourceByRegex ./. src_regexes;

flake.nix

@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/release-23.11";
+    nixpkgs.url = "github:NixOS/nixpkgs/release-23.05";
     flake-utils.url = "github:numtide/flake-utils";
     nix-bundle-exe = {
       url = "github:3noch/nix-bundle-exe";

go.mod

@@ -1,6 +1,6 @@
 module github.com/crypto-org-chain/chain-main/v4
 
-go 1.21
+go 1.20
 
 require (
 	cosmossdk.io/errors v1.0.0-beta.7

nix/default.nix

@@ -11,7 +11,6 @@ import sources.nixpkgs {
       };
       hermes = pkgs.callPackage ./hermes.nix { src = sources.ibc-rs; };
     })
-    (import "${sources.poetry2nix}/overlay.nix")
     (import "${sources.gomod2nix}/overlay.nix")
     (import ./build_overlay.nix)
     (pkgs: prev: {

nix/hermes.nix

@@ -2,14 +2,14 @@
 , lib
 , stdenv
 , darwin
-, rustPlatform
+, rustPackages_1_70
 , symlinkJoin
 , openssl
 }:
-rustPlatform.buildRustPackage rec {
+rustPackages_1_70.rustPlatform.buildRustPackage rec {
   name = "hermes";
   inherit src;
-  cargoSha256 = "sha256-Pkdc1XrhMFjuUcMsMfvltOynCIJtfeWmwEBTPz8Exok=";
+  cargoSha256 = "sha256-jqmIBmvY3PXpLFfv6XrnXJ0RmR6amFFMNfgK8qDFHb8=";
   cargoBuildFlags = "-p ibc-relayer-cli";
   buildInputs = lib.optionals stdenv.isDarwin [
     darwin.apple_sdk.frameworks.Security

nix/sources.json

@@ -24,27 +24,27 @@
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "ibc-rs": {
-        "branch": "v1.4.0",
+        "branch": "v1.6.0",
         "description": "IBC modules and relayer - Formal specifications and Rust implementation",
         "homepage": "",
         "owner": "informalsystems",
         "repo": "ibc-rs",
-        "rev": "daad02843a091bbdb3dd608e5f4ce790895c8845",
-        "sha256": "1n90sl5mcw4q6xri9k6rlhavxl43nxaza4ma9qwbhz2sh63sbh1l",
+        "rev": "1c1cf02988db67507de7d484e1a7f317fe494d6c",
+        "sha256": "08a92qw7mbag51lphxj3515i17qwsqhlam2q0g6fhldhfisa7bya",
         "type": "tarball",
-        "url": "https://github.com/informalsystems/ibc-rs/archive/daad02843a091bbdb3dd608e5f4ce790895c8845.tar.gz",
+        "url": "https://github.com/informalsystems/ibc-rs/archive/1c1cf02988db67507de7d484e1a7f317fe494d6c.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs": {
-        "branch": "release-23.11",
+        "branch": "release-23.05",
         "description": "Nix Packages collection",
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0ed7136921ea094c771db674c9d2566b14852a01",
-        "sha256": "0bhi67drgldn1hj464k9l749dyncgpq9j5a997rwsf0wksxh5a9b",
+        "rev": "9a333eaa80901efe01df07eade2c16d183761fa3",
+        "sha256": "0xhqjli4m9wkzv7xhs6fr1iajdjbv7xnj0bwvwldq9s6arlwkhj3",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/0ed7136921ea094c771db674c9d2566b14852a01.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/9a333eaa80901efe01df07eade2c16d183761fa3.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "poetry2nix": {

nix/testenv.nix

@@ -1,6 +1,6 @@
-{ poetry2nix, python39, lib }:
+{ poetry2nix, python310, lib }:
 poetry2nix.mkPoetryEnv {
-  python = python39;
+  python = python310;
   projectDir = ../integration_tests;
   overrides = poetry2nix.overrides.withDefaults (lib.composeManyExtensions [
     (self: super: