diff --git a/flake.lock b/flake.lock
index 61a86981..48f562f0 100644
--- a/flake.lock
+++ b/flake.lock
@@ -137,15 +137,16 @@
     "cometbft-src": {
       "flake": false,
       "locked": {
-        "narHash": "sha256-G5gchJMn/BFzwYx8/ikPDL5fS/TuFIBF4DKJbkalp/M=",
+        "lastModified": 1723450629,
+        "narHash": "sha256-2QO4KeEUX4HHT1AKhEdPplJHjBhalfM11Dn3/urIVig=",
         "owner": "cometbft",
         "repo": "cometbft",
-        "rev": "66a5a9da9f7a3306f382eb9142ccb9c9f7997d3f",
+        "rev": "e1b4453baf0af6487ad187c7f17dc50517126673",
         "type": "github"
       },
       "original": {
         "owner": "cometbft",
-        "ref": "v0.38.0",
+        "ref": "v0.38.11",
         "repo": "cometbft",
         "type": "github"
       }
@@ -194,6 +195,7 @@
         "gaia17-src": "gaia17-src",
         "gaia18-src": "gaia18-src",
         "gaia19-src": "gaia19-src",
+        "gaia20-src": "gaia20-src",
         "gaia5-src": "gaia5-src",
         "gaia6-ordered-src": "gaia6-ordered-src",
         "gaia6-src": "gaia6-src",
@@ -259,14 +261,15 @@
         "wasmvm_2_0_0-src": "wasmvm_2_0_0-src",
         "wasmvm_2_0_3-src": "wasmvm_2_0_3-src",
         "wasmvm_2_1_0-src": "wasmvm_2_1_0-src",
-        "wasmvm_2_1_2-src": "wasmvm_2_1_2-src"
+        "wasmvm_2_1_2-src": "wasmvm_2_1_2-src",
+        "wasmvm_2_1_3-src": "wasmvm_2_1_3-src"
       },
       "locked": {
-        "lastModified": 1728982270,
-        "narHash": "sha256-iAzKmzrUm6BD6Vwb6rtbkTy1e/nFTsgo+Y5WNrrY2vc=",
+        "lastModified": 1733317488,
+        "narHash": "sha256-Kr/h0A92hdsnFGAX4ujwLrwlk1voYJkkBp7pHwa4/ag=",
         "owner": "informalsystems",
         "repo": "cosmos.nix",
-        "rev": "8b7f6e8d2c2e6455fcc9d86ef098e7f182827637",
+        "rev": "a615496057a069e03674f804e2b089ac67aac925",
         "type": "github"
       },
       "original": {
@@ -552,11 +555,11 @@
         "systems": "systems_7"
       },
       "locked": {
-        "lastModified": 1726560853,
-        "narHash": "sha256-X6rJYSESBVr3hBoH0WbKE5KvhPU5bloyZ2L4K60/fPQ=",
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "c1dfcf08411b08f6b8615f7d8971a2bfa81d5e8a",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {
@@ -728,6 +731,23 @@
         "type": "github"
       }
     },
+    "gaia20-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1726853009,
+        "narHash": "sha256-N7x3k56AtPbIbbJjqKmlEJIytKElALJwj14lZ2pewZg=",
+        "owner": "cosmos",
+        "repo": "gaia",
+        "rev": "2dba9d471ef73b0a99e844bf55a44ddae700ea06",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cosmos",
+        "ref": "v20.0.0",
+        "repo": "gaia",
+        "type": "github"
+      }
+    },
     "gaia5-src": {
       "flake": false,
       "locked": {
@@ -1186,15 +1206,16 @@
     "interchain-security-src": {
       "flake": false,
       "locked": {
-        "narHash": "sha256-adBzn51PKoRsCL9gIzC5Tcqmu7u3GjxTcDj2jpZ/da8=",
+        "lastModified": 1726849313,
+        "narHash": "sha256-1WEvV3LoXfGvZC9fXOb8mBLKVGCVBiXZcwUewSPit+8=",
         "owner": "cosmos",
         "repo": "interchain-security",
-        "rev": "03aada4af3243dbf739a12adfacc7b37232df694",
+        "rev": "1e60637f9d8f3505208282416abfbb87fabc4795",
         "type": "github"
       },
       "original": {
         "owner": "cosmos",
-        "ref": "feat/ics-misbehaviour-handling",
+        "ref": "v6.1.0",
         "repo": "interchain-security",
         "type": "github"
       }
@@ -1515,11 +1536,11 @@
     },
     "nixpkgs_6": {
       "locked": {
-        "lastModified": 1729265718,
-        "narHash": "sha256-4HQI+6LsO3kpWTYuVGIzhJs1cetFcwT7quWCk/6rqeo=",
+        "lastModified": 1733097829,
+        "narHash": "sha256-9hbb1rqGelllb4kVUCZ307G2k3/UhmA8PPGBoyuWaSw=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "ccc0c2126893dd20963580b6478d1a10a4512185",
+        "rev": "2c15aa59df0017ca140d9ba302412298ab4bf22a",
         "type": "github"
       },
       "original": {
@@ -1548,16 +1569,16 @@
     "osmosis-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1719537675,
-        "narHash": "sha256-8Lb2SppNfq3+JwP3uanmCxuCek6tXOO/GcG27XGxRrE=",
+        "lastModified": 1731942173,
+        "narHash": "sha256-Ie+LKLrWthkGgJGlVpiTDwBvgA+Mo77Isa65vIOr1Ao=",
         "owner": "osmosis-labs",
         "repo": "osmosis",
-        "rev": "b973bffdf127866f45624d7e5a81f31fdc8e8e0b",
+        "rev": "100ba81036f01a348271ed59917881e2b83d0fbc",
         "type": "github"
       },
       "original": {
         "owner": "osmosis-labs",
-        "ref": "v25.2.0",
+        "ref": "v27.0.1",
         "repo": "osmosis",
         "type": "github"
       }
@@ -1695,11 +1716,11 @@
         "nixpkgs": "nixpkgs_7"
       },
       "locked": {
-        "lastModified": 1729477859,
-        "narHash": "sha256-r0VyeJxy4O4CgTB/PNtfQft9fPfN1VuGvnZiCxDArvg=",
+        "lastModified": 1733279627,
+        "narHash": "sha256-NCNDAGPkdFdu+DLErbmNbavmVW9AwkgP7azROFFSB0U=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "ada8266712449c4c0e6ee6fcbc442b3c217c79e1",
+        "rev": "4da5a80ef76039e80468c902f1e9f5c0eab87d96",
         "type": "github"
       },
       "original": {
@@ -1825,11 +1846,11 @@
     "starknet-devnet-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1728925224,
-        "narHash": "sha256-Be+k9Y3jcYUDKKjf5QIoNQNeuFSJwKF4OgX3d85By80=",
+        "lastModified": 1732210861,
+        "narHash": "sha256-8PT1hGYu6AuF8vfzgGja0R9ZpIwgJxSLoqCGSqyJtxQ=",
         "owner": "0xSpaceShard",
         "repo": "starknet-devnet-rs",
-        "rev": "093add70f99c6a3f46b28a377b04a981f0dab341",
+        "rev": "038d94612c6b6e51f06dc124bb320085485f588d",
         "type": "github"
       },
       "original": {
@@ -2286,6 +2307,23 @@
         "repo": "wasmvm",
         "type": "github"
       }
+    },
+    "wasmvm_2_1_3-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1727089467,
+        "narHash": "sha256-gYrK2EHhXnearJgLX38O6NLI6TfoGtpzA9be/7S/0ZU=",
+        "owner": "CosmWasm",
+        "repo": "wasmvm",
+        "rev": "2a104d140a5b2974dab7c15044da652769018cbe",
+        "type": "github"
+      },
+      "original": {
+        "owner": "CosmWasm",
+        "ref": "v2.1.3",
+        "repo": "wasmvm",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index ee9b415c..05a5ce20 100644
--- a/flake.nix
+++ b/flake.nix
@@ -61,6 +61,8 @@
 
           wasm-simapp = cosmos-nix.ibc-go-v8-wasm-simapp;
 
+          osmosis = cosmos-nix.osmosis;
+
           starknet-devnet = import ./nix/starknet-devnet.nix {
             inherit nixpkgs;
             inherit (inputs) starknet-devnet-src;
@@ -92,6 +94,7 @@
               scarb
               universal-sierra-compiler
               wasm-simapp
+              osmosis
               ;
           };
 
diff --git a/relayer/Cargo.lock b/relayer/Cargo.lock
index ffd1966d..eb2bc018 100644
--- a/relayer/Cargo.lock
+++ b/relayer/Cargo.lock
@@ -1942,7 +1942,7 @@ checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 [[package]]
 name = "hermes-any-counterparty"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hermes-cosmos-chain-components",
@@ -1959,7 +1959,7 @@ dependencies = [
 [[package]]
 name = "hermes-async-runtime-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "async-trait",
  "cgp",
@@ -1982,7 +1982,7 @@ dependencies = [
 [[package]]
 name = "hermes-chain-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hermes-chain-type-components",
@@ -1993,7 +1993,7 @@ dependencies = [
 [[package]]
 name = "hermes-chain-type-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
 ]
@@ -2001,7 +2001,7 @@ dependencies = [
 [[package]]
 name = "hermes-cli-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "clap",
@@ -2019,7 +2019,7 @@ dependencies = [
 [[package]]
 name = "hermes-comet-light-client-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hermes-chain-type-components",
@@ -2028,7 +2028,7 @@ dependencies = [
 [[package]]
 name = "hermes-comet-light-client-context"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "eyre",
@@ -2044,7 +2044,7 @@ dependencies = [
 [[package]]
 name = "hermes-cosmos-chain-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "bech32 0.9.1",
  "cgp",
@@ -2086,7 +2086,7 @@ dependencies = [
 [[package]]
 name = "hermes-cosmos-encoding-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hermes-encoding-components",
@@ -2100,7 +2100,7 @@ dependencies = [
 [[package]]
 name = "hermes-cosmos-integration-tests"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "eyre",
@@ -2134,7 +2134,7 @@ dependencies = [
 [[package]]
 name = "hermes-cosmos-relayer"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "dirs-next",
@@ -2185,7 +2185,7 @@ dependencies = [
 [[package]]
 name = "hermes-cosmos-test-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hdpath",
@@ -2212,7 +2212,7 @@ dependencies = [
 [[package]]
 name = "hermes-cosmos-wasm-relayer"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "eyre",
@@ -2263,7 +2263,7 @@ dependencies = [
 [[package]]
 name = "hermes-encoding-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
 ]
@@ -2271,7 +2271,7 @@ dependencies = [
 [[package]]
 name = "hermes-error"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "eyre",
@@ -2281,7 +2281,7 @@ dependencies = [
 [[package]]
 name = "hermes-ibc-test-suite"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hermes-logging-components",
@@ -2292,7 +2292,7 @@ dependencies = [
 [[package]]
 name = "hermes-logger"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hermes-logging-components",
@@ -2304,7 +2304,7 @@ dependencies = [
 [[package]]
 name = "hermes-logging-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
 ]
@@ -2312,7 +2312,7 @@ dependencies = [
 [[package]]
 name = "hermes-protobuf-encoding-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hermes-encoding-components",
@@ -2323,7 +2323,7 @@ dependencies = [
 [[package]]
 name = "hermes-relayer-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hermes-chain-components",
@@ -2336,7 +2336,7 @@ dependencies = [
 [[package]]
 name = "hermes-relayer-components-extra"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hermes-chain-type-components",
@@ -2348,7 +2348,7 @@ dependencies = [
 [[package]]
 name = "hermes-runtime"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hermes-async-runtime-components",
@@ -2360,7 +2360,7 @@ dependencies = [
 [[package]]
 name = "hermes-runtime-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
 ]
@@ -2479,6 +2479,7 @@ dependencies = [
  "hermes-starknet-relayer",
  "hermes-starknet-test-components",
  "hermes-test-components",
+ "hermes-wasm-test-components",
  "ibc",
  "ibc-proto",
  "prost",
@@ -2487,7 +2488,9 @@ dependencies = [
  "serde_json",
  "sha2 0.10.8",
  "starknet",
+ "tendermint-rpc",
  "tokio",
+ "toml",
  "tracing",
  "url",
 ]
@@ -2528,7 +2531,7 @@ dependencies = [
 [[package]]
 name = "hermes-test-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hermes-chain-type-components",
@@ -2540,7 +2543,7 @@ dependencies = [
 [[package]]
 name = "hermes-tokio-runtime-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "futures",
@@ -2554,7 +2557,7 @@ dependencies = [
 [[package]]
 name = "hermes-tracing-logging-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hermes-logging-components",
@@ -2566,7 +2569,7 @@ dependencies = [
 [[package]]
 name = "hermes-wasm-client-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hermes-cosmos-chain-components",
@@ -2585,7 +2588,7 @@ dependencies = [
 [[package]]
 name = "hermes-wasm-encoding-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hermes-cosmos-encoding-components",
@@ -2599,7 +2602,7 @@ dependencies = [
 [[package]]
 name = "hermes-wasm-test-components"
 version = "0.1.0"
-source = "git+https://github.com/informalsystems/hermes-sdk.git#e7bbfad66cf3bcd10f204c705b206252f7f10e2e"
+source = "git+https://github.com/informalsystems/hermes-sdk.git#c262e33a44149267cbd3c992739e6f7626536832"
 dependencies = [
  "cgp",
  "hermes-chain-type-components",
@@ -4654,7 +4657,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e9552f850d5f0964a4e4d0bf306459ac29323ddfbae05e35a7c0d35cb0803cc5"
 dependencies = [
  "anyhow",
- "itertools 0.13.0",
+ "itertools 0.12.1",
  "proc-macro2",
  "quote",
  "syn 2.0.87",
diff --git a/relayer/Cargo.toml b/relayer/Cargo.toml
index 779d548b..a27f55fb 100644
--- a/relayer/Cargo.toml
+++ b/relayer/Cargo.toml
@@ -53,6 +53,7 @@ http                        = { version = "1.0.0" }
 ibc                       = { version = "0.56.0" }
 ibc-proto                 = { version = "0.51.1" }
 ibc-client-starknet-types = { version = "0.1.0" }
+tendermint-rpc            = { version = "0.40" }
 
 hermes-runtime-components           = { version = "0.1.0" }
 hermes-async-runtime-components     = { version = "0.1.0" }
@@ -74,6 +75,7 @@ hermes-cosmos-test-components       = { version = "0.1.0" }
 hermes-cosmos-integration-tests     = { version = "0.1.0" }
 hermes-any-counterparty             = { version = "0.1.0" }
 hermes-wasm-client-components       = { version = "0.1.0" }
+hermes-wasm-test-components         = { version = "0.1.0" }
 hermes-wasm-encoding-components     = { version = "0.1.0" }
 hermes-cli-components               = { version = "0.1.0" }
 hermes-test-components              = { version = "0.1.0" }
diff --git a/relayer/crates/starknet-integration-tests/Cargo.toml b/relayer/crates/starknet-integration-tests/Cargo.toml
index 5c458cc3..8841043b 100644
--- a/relayer/crates/starknet-integration-tests/Cargo.toml
+++ b/relayer/crates/starknet-integration-tests/Cargo.toml
@@ -22,14 +22,16 @@ hermes-starknet-test-components  = { workspace = true }
 hermes-starknet-chain-context    = { workspace = true }
 hermes-starknet-relayer          = { workspace = true }
 hermes-cosmos-test-components    = { workspace = true }
+hermes-wasm-test-components      = { workspace = true }
 hermes-chain-components          = { workspace = true }
 hermes-cosmos-chain-components   = { workspace = true }
 hermes-cosmos-integration-tests  = { workspace = true }
 hermes-cosmos-relayer            = { workspace = true }
 hermes-cosmos-wasm-relayer       = { workspace = true }
 
-ibc       = { workspace = true }
-ibc-proto = { workspace = true }
+ibc            = { workspace = true }
+ibc-proto      = { workspace = true }
+tendermint-rpc = { workspace = true }
 
 starknet    = { workspace = true }
 url         = { workspace = true }
@@ -38,6 +40,7 @@ tokio       = { workspace = true }
 serde_json  = { workspace = true }
 rand        = { workspace = true }
 sha2        = { workspace = true }
+toml        = { workspace = true }
 prost       = { workspace = true }
 prost-types = { workspace = true }
 tracing     = { workspace = true }
diff --git a/relayer/crates/starknet-integration-tests/src/contexts/mod.rs b/relayer/crates/starknet-integration-tests/src/contexts/mod.rs
index dce731ca..9e0d0983 100644
--- a/relayer/crates/starknet-integration-tests/src/contexts/mod.rs
+++ b/relayer/crates/starknet-integration-tests/src/contexts/mod.rs
@@ -1,2 +1,3 @@
 pub mod bootstrap;
 pub mod chain_driver;
+pub mod osmosis_bootstrap;
diff --git a/relayer/crates/starknet-integration-tests/src/contexts/osmosis_bootstrap.rs b/relayer/crates/starknet-integration-tests/src/contexts/osmosis_bootstrap.rs
new file mode 100644
index 00000000..679fa7f1
--- /dev/null
+++ b/relayer/crates/starknet-integration-tests/src/contexts/osmosis_bootstrap.rs
@@ -0,0 +1,121 @@
+use std::path::PathBuf;
+
+use cgp::core::component::UseContext;
+use cgp::core::error::{ErrorRaiserComponent, ErrorTypeComponent};
+use cgp::core::field::impls::use_field::WithField;
+use cgp::core::types::impls::WithType;
+use cgp::prelude::*;
+use hermes_cosmos_chain_components::types::config::gas::dynamic_gas_config::DynamicGasConfig;
+use hermes_cosmos_integration_tests::impls::bootstrap::build_cosmos_chain::BuildCosmosChainWithNodeConfig;
+use hermes_cosmos_integration_tests::impls::bootstrap::build_cosmos_chain_driver::BuildCosmosChainDriver;
+use hermes_cosmos_integration_tests::impls::bootstrap::relayer_chain_config::BuildRelayerChainConfig;
+use hermes_cosmos_integration_tests::impls::bootstrap::types::ProvideCosmosBootstrapChainTypes;
+use hermes_cosmos_integration_tests::traits::bootstrap::build_chain::ChainBuilderWithNodeConfigComponent;
+use hermes_cosmos_integration_tests::traits::bootstrap::compat_mode::{
+    CompatModeGetterComponent, UseCompatMode37,
+};
+use hermes_cosmos_integration_tests::traits::bootstrap::cosmos_builder::CosmosBuilderGetterComponent;
+use hermes_cosmos_integration_tests::traits::bootstrap::relayer_chain_config::RelayerChainConfigBuilderComponent;
+use hermes_cosmos_relayer::contexts::build::CosmosBuilder;
+use hermes_cosmos_test_components::bootstrap::components::cosmos_sdk_legacy::*;
+use hermes_cosmos_test_components::bootstrap::impls::chain::build_wait::BuildAndWaitChainDriver;
+use hermes_cosmos_test_components::bootstrap::impls::generator::wallet_config::GenerateStandardWalletConfig;
+use hermes_cosmos_test_components::bootstrap::impls::modifiers::no_modify_comet_config::NoModifyCometConfig;
+use hermes_cosmos_test_components::bootstrap::impls::modifiers::no_modify_cosmos_sdk_config::NoModifyCosmosSdkConfig;
+use hermes_cosmos_test_components::bootstrap::impls::modifiers::no_modify_genesis_config::NoModifyGenesisConfig;
+use hermes_cosmos_test_components::bootstrap::traits::chain::build_chain_driver::ChainDriverBuilderComponent;
+use hermes_cosmos_test_components::bootstrap::traits::fields::account_prefix::AccountPrefixGetterComponent;
+use hermes_cosmos_test_components::bootstrap::traits::fields::chain_command_path::ChainCommandPathGetterComponent;
+use hermes_cosmos_test_components::bootstrap::traits::fields::chain_store_dir::ChainStoreDirGetterComponent;
+use hermes_cosmos_test_components::bootstrap::traits::fields::denom::DenomPrefixGetterComponent;
+use hermes_cosmos_test_components::bootstrap::traits::fields::dynamic_gas_fee::DynamicGasGetterComponent;
+use hermes_cosmos_test_components::bootstrap::traits::fields::random_id::RandomIdFlagGetterComponent;
+use hermes_cosmos_test_components::bootstrap::traits::generator::generate_wallet_config::WalletConfigGeneratorComponent;
+use hermes_cosmos_test_components::bootstrap::traits::modifiers::modify_comet_config::CometConfigModifierComponent;
+use hermes_cosmos_test_components::bootstrap::traits::modifiers::modify_cosmos_sdk_config::CosmosSdkConfigModifierComponent;
+use hermes_cosmos_test_components::bootstrap::traits::modifiers::modify_genesis_config::CosmosGenesisConfigModifierComponent;
+use hermes_error::handlers::debug::DebugError;
+use hermes_error::impls::ProvideHermesError;
+use hermes_runtime::types::runtime::HermesRuntime;
+use hermes_runtime_components::traits::runtime::{RuntimeGetterComponent, RuntimeTypeComponent};
+use hermes_test_components::chain_driver::traits::types::chain::ChainTypeComponent;
+use hermes_test_components::driver::traits::types::chain_driver::ChainDriverTypeComponent;
+use hermes_wasm_test_components::impls::bootstrap::build_chain_driver::BuildChainDriverAndInitWasmClient;
+use hermes_wasm_test_components::impls::bootstrap::genesis_config::ModifyWasmGenesisConfig;
+use hermes_wasm_test_components::impls::bootstrap::node_config::ModifyWasmNodeConfig;
+use hermes_wasm_test_components::traits::bootstrap::client_byte_code::WasmClientByteCodeGetterComponent;
+use hermes_wasm_test_components::traits::bootstrap::gov_authority::GovernanceProposalAuthorityGetterComponent;
+
+/**
+   A bootstrap context for bootstrapping a new Cosmos chain, and builds
+   a `CosmosChainDriver`.
+*/
+#[derive(HasField)]
+pub struct OsmosisBootstrap {
+    pub runtime: HermesRuntime,
+    pub cosmos_builder: CosmosBuilder,
+    pub should_randomize_identifiers: bool,
+    pub chain_store_dir: PathBuf,
+    pub chain_command_path: PathBuf,
+    pub account_prefix: String,
+    pub staking_denom_prefix: String,
+    pub transfer_denom_prefix: String,
+    pub wasm_client_byte_code: Vec<u8>,
+    pub governance_proposal_authority: String,
+    pub dynamic_gas: Option<DynamicGasConfig>,
+}
+
+impl CanUseLegacyCosmosSdkChainBootstrapper for OsmosisBootstrap {}
+
+pub struct OsmosisBootstrapComponents;
+
+impl HasComponents for OsmosisBootstrap {
+    type Components = OsmosisBootstrapComponents;
+}
+
+impl<Name> DelegateComponent<Name> for OsmosisBootstrapComponents
+where
+    Self: IsLegacyCosmosSdkBootstrapComponents<Name>,
+{
+    type Delegate = LegacyCosmosSdkBootstrapComponents;
+}
+
+delegate_components! {
+    OsmosisBootstrapComponents {
+        ErrorTypeComponent: ProvideHermesError,
+        ErrorRaiserComponent: DebugError,
+        RuntimeTypeComponent: WithType<HermesRuntime>,
+        RuntimeGetterComponent: WithField<symbol!("runtime")>,
+        WalletConfigGeneratorComponent: GenerateStandardWalletConfig,
+        [
+            ChainTypeComponent,
+            ChainDriverTypeComponent,
+        ]:
+            ProvideCosmosBootstrapChainTypes,
+        [
+            ChainStoreDirGetterComponent,
+            ChainCommandPathGetterComponent,
+            AccountPrefixGetterComponent,
+            DenomPrefixGetterComponent,
+            DynamicGasGetterComponent,
+            RandomIdFlagGetterComponent,
+            WasmClientByteCodeGetterComponent,
+            GovernanceProposalAuthorityGetterComponent,
+            CosmosBuilderGetterComponent,
+        ]:
+            UseContext,
+        CosmosSdkConfigModifierComponent:
+            NoModifyCosmosSdkConfig,
+        RelayerChainConfigBuilderComponent:
+            BuildRelayerChainConfig,
+        ChainBuilderWithNodeConfigComponent:
+            BuildCosmosChainWithNodeConfig,
+        ChainDriverBuilderComponent:
+            BuildChainDriverAndInitWasmClient<BuildAndWaitChainDriver<BuildCosmosChainDriver>>,
+        CosmosGenesisConfigModifierComponent:
+            ModifyWasmGenesisConfig<NoModifyGenesisConfig>,
+        CometConfigModifierComponent:
+            ModifyWasmNodeConfig<NoModifyCometConfig>,
+        CompatModeGetterComponent: UseCompatMode37,
+    }
+}
diff --git a/relayer/crates/starknet-integration-tests/src/lib.rs b/relayer/crates/starknet-integration-tests/src/lib.rs
index 4c4e8044..392380c0 100644
--- a/relayer/crates/starknet-integration-tests/src/lib.rs
+++ b/relayer/crates/starknet-integration-tests/src/lib.rs
@@ -1,5 +1,7 @@
 #![recursion_limit = "256"]
 
+extern crate alloc;
+
 pub mod contexts;
 
 #[cfg(test)]
diff --git a/relayer/crates/starknet-integration-tests/src/tests/light_client.rs b/relayer/crates/starknet-integration-tests/src/tests/light_client.rs
index 79936c87..832cced9 100644
--- a/relayer/crates/starknet-integration-tests/src/tests/light_client.rs
+++ b/relayer/crates/starknet-integration-tests/src/tests/light_client.rs
@@ -8,6 +8,8 @@ use std::time::{Duration, SystemTime, UNIX_EPOCH};
 use flate2::write::GzEncoder;
 use flate2::Compression;
 use hermes_cosmos_chain_components::traits::message::ToCosmosMessage;
+use hermes_cosmos_chain_components::types::config::gas::dynamic_gas_config::DynamicGasConfig;
+use hermes_cosmos_chain_components::types::config::gas::eip_type::EipQueryType;
 use hermes_cosmos_chain_components::types::messages::channel::open_ack::CosmosChannelOpenAckMessage;
 use hermes_cosmos_chain_components::types::messages::channel::open_init::CosmosChannelOpenInitMessage;
 use hermes_cosmos_chain_components::types::messages::connection::open_ack::CosmosConnectionOpenAckMessage;
@@ -16,7 +18,6 @@ use hermes_cosmos_integration_tests::init::init_test_runtime;
 use hermes_cosmos_relayer::contexts::build::CosmosBuilder;
 use hermes_cosmos_relayer::contexts::chain::CosmosChain;
 use hermes_cosmos_relayer::contexts::encoding::CosmosEncoding;
-use hermes_cosmos_wasm_relayer::context::cosmos_bootstrap::CosmosWithWasmClientBootstrap;
 use hermes_encoding_components::traits::convert::CanConvert;
 use hermes_error::types::Error;
 use hermes_relayer_components::chain::traits::payload_builders::create_client::CanBuildCreateClientPayload;
@@ -47,6 +48,7 @@ use starknet::macros::short_string;
 use tracing::info;
 
 use crate::contexts::bootstrap::StarknetBootstrap;
+use crate::contexts::osmosis_bootstrap::OsmosisBootstrap;
 
 #[test]
 fn test_starknet_light_client() -> Result<(), Error> {
@@ -81,20 +83,23 @@ fn test_starknet_light_client() -> Result<(), Error> {
             encoder.finish()?
         };
 
-        info!("Reduced wasm client code size from {} to {} bytes", wasm_client_byte_code.len(), wasm_client_byte_code_gzip.len());
-
-        let cosmos_bootstrap = Arc::new(CosmosWithWasmClientBootstrap {
+        let cosmos_bootstrap = Arc::new(OsmosisBootstrap {
             runtime: runtime.clone(),
             cosmos_builder,
             should_randomize_identifiers: true,
             chain_store_dir: store_dir.join("chains"),
-            chain_command_path: "simd".into(),
-            account_prefix: "cosmos".into(),
+            chain_command_path: "osmosisd".into(),
+            account_prefix: "osmo".into(),
             staking_denom_prefix: "stake".into(),
             transfer_denom_prefix: "coin".into(),
             wasm_client_byte_code: wasm_client_byte_code_gzip,
-            governance_proposal_authority: "cosmos10d07y265gmmuvt4z0w9aw880jnsr700j6zn9kn".into(), // TODO: don't hard code this
-            dynamic_gas: None,
+            governance_proposal_authority: "osmo10d07y265gmmuvt4z0w9aw880jnsr700jjeq4qp".into(), // TODO: don't hard code this
+            dynamic_gas: Some(DynamicGasConfig {
+                multiplier: 1.1,
+                max: 1.6,
+                eip_query_type: EipQueryType::Osmosis,
+                denom: "stake".to_owned(),
+            }),
         });
 
         let starknet_bootstrap = StarknetBootstrap {