cosmos · webmaster128 · Nov 12, 2025 · Nov 5, 2025 · Nov 5, 2025 · Nov 12, 2025
diff --git a/.pnp.cjs b/.pnp.cjs
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -84,9 +84,11 @@ and this project adheres to
 - @cosmjs/crypto: Make
   `Secp256k1.verifySignature`/`.createSignature`/`.makeKeypair` synchonous and
   let them not return a Promise.
+- @cosmjs/cosmwasm-stargate: Rename package to @cosmjs/cosmwasm. ([#1903])
 
 [#1883]: https://github.com/cosmos/cosmjs/issues/1883
 [#1866]: https://github.com/cosmos/cosmjs/issues/1866
+[#1903]: https://github.com/cosmos/cosmjs/pull/1903
 
 ## [0.37.0] - 2025-10-29
 

diff --git a/HACKING.md b/HACKING.md
@@ -105,18 +105,18 @@ In the `scripts/` folder, a bunch of blockchains and other backend systems are
 started for testing purposes. Some ports need to be changed from the default in
 order to avoid conflicts. Here is an overview of the ports used:
 
-| Port  | Application                    | Usage                           |
-| ----- | ------------------------------ | ------------------------------- |
-| 1318  | simapp LCD API                 | Manual Stargate debugging       |
-| 1319  | wasmd LCD API                  | Manual Stargate debugging       |
-| 1320  | simapp slow LCD API            | Manual Stargate debugging       |
-| 4444  | socketserver                   | @cosmjs/sockets tests           |
-| 4445  | socketserver slow              | @cosmjs/sockets tests           |
-| 5555  | httpserver                     | @cosmjs/tendermint-rpc tests    |
-| 9090  | simapp gRPC                    | Manual Stargate debugging       |
-| 11101 | Standalone CometBFT 1.x RPC    | @cosmjs/tendermint-rpc tests    |
-| 11137 | Standalone Tendermint 0.37 RPC | @cosmjs/tendermint-rpc tests    |
-| 11138 | Standalone CometBFT 0.38 RPC   | @cosmjs/tendermint-rpc tests    |
-| 26658 | simapp Tendermint RPC          | Stargate client tests           |
-| 26659 | wasmd Tendermint RPC           | @cosmjs/cosmwasm-stargate tests |
-| 26660 | simapp slow Tendermint RPC     | Stargate client tests           |
+| Port  | Application                    | Usage                        |
+| ----- | ------------------------------ | ---------------------------- |
+| 1318  | simapp LCD API                 | Manual Stargate debugging    |
+| 1319  | wasmd LCD API                  | Manual Stargate debugging    |
+| 1320  | simapp slow LCD API            | Manual Stargate debugging    |
+| 4444  | socketserver                   | @cosmjs/sockets tests        |
+| 4445  | socketserver slow              | @cosmjs/sockets tests        |
+| 5555  | httpserver                     | @cosmjs/tendermint-rpc tests |
+| 9090  | simapp gRPC                    | Manual Stargate debugging    |
+| 11101 | Standalone CometBFT 1.x RPC    | @cosmjs/tendermint-rpc tests |
+| 11137 | Standalone Tendermint 0.37 RPC | @cosmjs/tendermint-rpc tests |
+| 11138 | Standalone CometBFT 0.38 RPC   | @cosmjs/tendermint-rpc tests |
+| 26658 | simapp Tendermint RPC          | Stargate client tests        |
+| 26659 | wasmd Tendermint RPC           | @cosmjs/cosmwasm tests       |
+| 26660 | simapp slow Tendermint RPC     | Stargate client tests        |
diff --git a/README.md b/README.md
@@ -50,14 +50,14 @@ CosmJS is a library that consists of many smaller npm packages within the
 [@cosmjs namespace](https://www.npmjs.com/org/cosmjs), a so-called monorepo.
 Here are some of them to get an idea:
 
-| Package                                                 | Description                                                                                                                                                                                                                              | Latest                                                                                                                                |
-| ------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------- |
-| [@cosmjs/stargate](packages/stargate)                   | A client library for the Cosmos SDK 0.40+ (Stargate)                                                                                                                                                                                     | [![npm version](https://img.shields.io/npm/v/@cosmjs/stargate.svg)](https://www.npmjs.com/package/@cosmjs/stargate)                   |
-| [@cosmjs/faucet](packages/faucet)                       | A faucet application for node.js                                                                                                                                                                                                         | [![npm version](https://img.shields.io/npm/v/@cosmjs/faucet.svg)](https://www.npmjs.com/package/@cosmjs/faucet)                       |
-| [@cosmjs/cosmwasm-stargate](packages/cosmwasm-stargate) | Client for Stargate chains with the CosmWasm module enabled                                                                                                                                                                              | [![npm version](https://img.shields.io/npm/v/@cosmjs/cosmwasm-stargate.svg)](https://www.npmjs.com/package/@cosmjs/cosmwasm-stargate) |
-| [@cosmjs/crypto](packages/crypto)                       | Cryptography for blockchain projects, e.g. hashing (SHA-2, Keccak256, Ripemd160), signing (secp256k1, ed25519), HD key derivation (BIP-39, SLIP-0010), KDFs and symmetric encryption for key storage (PBKDF2, Argon2, XChaCha20Poly1305) | [![npm version](https://img.shields.io/npm/v/@cosmjs/crypto.svg)](https://www.npmjs.com/package/@cosmjs/crypto)                       |
-| [@cosmjs/encoding](packages/encoding)                   | Encoding helpers for blockchain projects                                                                                                                                                                                                 | [![npm version](https://img.shields.io/npm/v/@cosmjs/encoding.svg)](https://www.npmjs.com/package/@cosmjs/encoding)                   |
-| [@cosmjs/math](packages/math)                           | Safe integers; decimals for handling financial amounts                                                                                                                                                                                   | [![npm version](https://img.shields.io/npm/v/@cosmjs/math.svg)](https://www.npmjs.com/package/@cosmjs/math)                           |
+| Package                               | Description                                                                                                                                                                                                                              | Latest                                                                                                              |
+| ------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------- |
+| [@cosmjs/stargate](packages/stargate) | A client library for the Cosmos SDK 0.40+ (Stargate)                                                                                                                                                                                     | [![npm version](https://img.shields.io/npm/v/@cosmjs/stargate.svg)](https://www.npmjs.com/package/@cosmjs/stargate) |
+| [@cosmjs/faucet](packages/faucet)     | A faucet application for node.js                                                                                                                                                                                                         | [![npm version](https://img.shields.io/npm/v/@cosmjs/faucet.svg)](https://www.npmjs.com/package/@cosmjs/faucet)     |
+| [@cosmjs/cosmwasm](packages/cosmwasm) | Client for Stargate chains with the CosmWasm module enabled                                                                                                                                                                              | [![npm version](https://img.shields.io/npm/v/@cosmjs/cosmwasm.svg)](https://www.npmjs.com/package/@cosmjs/cosmwasm) |
+| [@cosmjs/crypto](packages/crypto)     | Cryptography for blockchain projects, e.g. hashing (SHA-2, Keccak256, Ripemd160), signing (secp256k1, ed25519), HD key derivation (BIP-39, SLIP-0010), KDFs and symmetric encryption for key storage (PBKDF2, Argon2, XChaCha20Poly1305) | [![npm version](https://img.shields.io/npm/v/@cosmjs/crypto.svg)](https://www.npmjs.com/package/@cosmjs/crypto)     |
+| [@cosmjs/encoding](packages/encoding) | Encoding helpers for blockchain projects                                                                                                                                                                                                 | [![npm version](https://img.shields.io/npm/v/@cosmjs/encoding.svg)](https://www.npmjs.com/package/@cosmjs/encoding) |
+| [@cosmjs/math](packages/math)         | Safe integers; decimals for handling financial amounts                                                                                                                                                                                   | [![npm version](https://img.shields.io/npm/v/@cosmjs/math.svg)](https://www.npmjs.com/package/@cosmjs/math)         |
 
 ### Modularity
 

diff --git a/package.json b/package.json
@@ -43,7 +43,7 @@
   },
   "devDependencies": {
     "@cosmjs/amino": "workspace:^",
-    "@cosmjs/cosmwasm-stargate": "workspace:^",
+    "@cosmjs/cosmwasm": "workspace:^",
     "@cosmjs/crypto": "workspace:^",
     "@cosmjs/encoding": "workspace:^",
     "@cosmjs/proto-signing": "workspace:^",

diff --git a/packages/cosmwasm-stargate/README.md b/packages/cosmwasm-stargate/README.md
@@ -7,30 +7,5 @@
 ![minified size](https://img.shields.io/bundlephobia/min/@cosmjs/cosmwasm-stargate.svg)
 ![monthly downloads](https://img.shields.io/npm/dm/@cosmjs/cosmwasm-stargate.svg)
 
-An SDK to build CosmWasm clients.
-
-## Compatibility
-
-| CosmWasm        | x/wasm    | @cosmjs/cosmwasm-stargate |
-| --------------- | --------- | ------------------------- |
-| 0.16-1.0.0-beta | 0.21-0.23 | `^0.28.0`                 |
-| 0.16-1.0.0-beta | 0.21-0.23 | `^0.27.0`                 |
-| 0.16-1.0.0-beta | 0.18-0.20 | `^0.26.0`                 |
-| 0.14            | 0.16      | `^0.25.0`                 |
-| 0.13            | 0.14-0.15 | `^0.24.0`                 |
-
-## Development
-
-Updating Hackatom development contract in `src/testdata/contract.json`:
-
-```sh
-cd packages/cosmwasm-stargate
-export HACKATOM_URL=https://github.com/CosmWasm/cosmwasm/releases/download/v1.0.0-beta/hackatom.wasm
-echo "{\"// source\": \"$HACKATOM_URL\", \"data\": \"$(curl -sS  --location $HACKATOM_URL | base64 | tr -d '[:space:]')\" }" | jq > src/testdata/contract.json
-```
-
-## License
-
-This package is part of the cosmjs repository, licensed under the Apache License
-2.0 (see [NOTICE](https://github.com/cosmos/cosmjs/blob/main/NOTICE) and
-[LICENSE](https://github.com/cosmos/cosmjs/blob/main/LICENSE)).
+@cosmjs/cosmwasm-stargate was renamed to @cosmjs/cosmwasm in CosmJS 0.38. Use
+@cosmjs/cosmwasm instead.
diff --git a/packages/cosmwasm-stargate/package.json b/packages/cosmwasm-stargate/package.json
@@ -1,9 +1,9 @@
 {
   "name": "@cosmjs/cosmwasm-stargate",
-  "version": "0.37.0",
-  "description": "CosmWasm SDK",
+  "version": "0.38.0",
+  "description": "Old name of @cosmjs/cosmwasm. Use @cosmjs/cosmwasm instead.",
   "contributors": [
-    "Will Clark <willclarktech@users.noreply.github.com>"
+    "Simon Warta <webmaster128@users.noreply.github.com>"
   ],
   "license": "Apache-2.0",
   "exports": {
@@ -32,47 +32,20 @@
     "format-text": "prettier --write \"./*.md\"",
     "build": "rm -rf ./build && tsc",
     "build-or-skip": "[ -n \"${SKIP_BUILD:-}\" ] || yarn build",
-    "test-node": "yarn node jasmine-testrunner.cjs",
-    "test-firefox": "yarn pack-web && karma start --single-run --browsers Firefox karma.conf.cjs",
-    "test-chrome": "yarn pack-web && karma start --single-run --browsers ChromeHeadless karma.conf.cjs",
+    "test-node": "exit 0",
+    "test-firefox": "exit 0",
+    "test-chrome": "exit 0",
     "test": "yarn build-or-skip && yarn test-node",
-    "coverage": "nyc --reporter=text --reporter=lcov yarn test --quiet",
-    "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.cjs"
+    "coverage": "exit 0"
   },
   "dependencies": {
-    "@cosmjs/amino": "workspace:^",
-    "@cosmjs/crypto": "workspace:^",
-    "@cosmjs/encoding": "workspace:^",
-    "@cosmjs/math": "workspace:^",
-    "@cosmjs/proto-signing": "workspace:^",
-    "@cosmjs/stargate": "workspace:^",
-    "@cosmjs/tendermint-rpc": "workspace:^",
-    "@cosmjs/utils": "workspace:^",
-    "cosmjs-types": "^0.10.1"
+    "@cosmjs/cosmwasm": "workspace:^"
   },
   "devDependencies": {
-    "@istanbuljs/nyc-config-typescript": "^1.0.1",
-    "@types/jasmine": "^4",
-    "@types/karma-firefox-launcher": "^2",
-    "@types/karma-jasmine": "^4",
-    "@types/karma-jasmine-html-reporter": "^1",
     "@types/node": "*",
     "glob": "^11",
-    "jasmine": "^4",
-    "jasmine-spec-reporter": "^6",
-    "karma": "^6.3.14",
-    "karma-chrome-launcher": "^3.1.0",
-    "karma-firefox-launcher": "^2.1.0",
-    "karma-jasmine": "^5",
-    "karma-jasmine-html-reporter": "^1.5.4",
-    "nyc": "^17.1.0",
     "prettier": "^3.6.2",
-    "readonly-date": "^1.0.0",
-    "ses": "^1.13.0",
-    "source-map-support": "^0.5.19",
     "typedoc": "^0.28",
-    "typescript": "~5.9",
-    "webpack": "^5.76.0",
-    "webpack-cli": "^4.6.0"
+    "typescript": "~5.9"
   }
 }
diff --git a/packages/cosmwasm-stargate/src/index.ts b/packages/cosmwasm-stargate/src/index.ts
@@ -1,42 +1 @@
-export type { Code, CodeDetails, Contract, ContractCodeHistoryEntry } from "./cosmwasmclient";
-export { CosmWasmClient } from "./cosmwasmclient";
-export { fromBinary, toBinary } from "./encoding";
-export { _instantiate2AddressIntermediate, instantiate2Address } from "./instantiate2";
-export type {
-  JsonObject,
-  MsgClearAdminEncodeObject,
-  MsgExecuteContractEncodeObject,
-  MsgInstantiateContract2EncodeObject,
-  MsgInstantiateContractEncodeObject,
-  MsgMigrateContractEncodeObject,
-  MsgStoreCodeEncodeObject,
-  MsgUpdateAdminEncodeObject,
-  WasmExtension,
-} from "./modules";
-export {
-  createWasmAminoConverters,
-  isMsgClearAdminEncodeObject,
-  isMsgExecuteEncodeObject,
-  isMsgInstantiateContract2EncodeObject,
-  isMsgInstantiateContractEncodeObject,
-  isMsgMigrateEncodeObject,
-  isMsgStoreCodeEncodeObject,
-  isMsgUpdateAdminEncodeObject,
-  setupWasmExtension,
-  wasmTypes,
-} from "./modules";
-export type {
-  ChangeAdminResult,
-  ExecuteInstruction,
-  ExecuteResult,
-  InstantiateOptions,
-  InstantiateResult,
-  MigrateResult,
-  SigningCosmWasmClientOptions,
-  UploadResult,
-} from "./signingcosmwasmclient";
-export { SigningCosmWasmClient } from "./signingcosmwasmclient";
-
-// Re-exported because this is part of the CosmWasmClient/SigningCosmWasmClient APIs
-export type { Attribute, DeliverTxResponse, Event, IndexedTx } from "@cosmjs/stargate";
-export type { HttpEndpoint } from "@cosmjs/tendermint-rpc";
+export * from "@cosmjs/cosmwasm";
diff --git a/packages/cosmwasm/.gitignore b/packages/cosmwasm/.gitignore
@@ -0,0 +1,4 @@
+build/
+dist/
+docs/
+tmp/
diff --git a/packages/cosmwasm-stargate/.nycrc.yml → packages/cosmwasm/.nycrc.yml b/packages/cosmwasm-stargate/.nycrc.yml → packages/cosmwasm/.nycrc.yml
diff --git a/packages/cosmwasm/README.md b/packages/cosmwasm/README.md
@@ -0,0 +1,36 @@
+# @cosmjs/cosmwasm-stargate
+
+![typescript](https://img.shields.io/npm/types/@cosmjs/cosmwasm-stargate.svg)
+[![npm version](https://img.shields.io/npm/v/@cosmjs/cosmwasm-stargate.svg)](https://www.npmjs.com/package/@cosmjs/cosmwasm-stargate)
+[![license](https://img.shields.io/npm/l/@cosmjs/cosmwasm-stargate.svg)](https://github.com/cosmos/cosmjs/blob/v0.35.0/LICENSE)
+![minimum node version](https://img.shields.io/node/v/@cosmjs/cosmwasm-stargate.svg)
+![minified size](https://img.shields.io/bundlephobia/min/@cosmjs/cosmwasm-stargate.svg)
+![monthly downloads](https://img.shields.io/npm/dm/@cosmjs/cosmwasm-stargate.svg)
+
+An SDK to build CosmWasm clients.
+
+## Compatibility
+
+| CosmWasm        | x/wasm    | @cosmjs/cosmwasm-stargate |
+| --------------- | --------- | ------------------------- |
+| 0.16-1.0.0-beta | 0.21-0.23 | `^0.28.0`                 |
+| 0.16-1.0.0-beta | 0.21-0.23 | `^0.27.0`                 |
+| 0.16-1.0.0-beta | 0.18-0.20 | `^0.26.0`                 |
+| 0.14            | 0.16      | `^0.25.0`                 |
+| 0.13            | 0.14-0.15 | `^0.24.0`                 |
+
+## Development
+
+Updating Hackatom development contract in `src/testdata/contract.json`:
+
+```sh
+cd packages/cosmwasm-stargate
+export HACKATOM_URL=https://github.com/CosmWasm/cosmwasm/releases/download/v1.0.0-beta/hackatom.wasm
+echo "{\"// source\": \"$HACKATOM_URL\", \"data\": \"$(curl -sS  --location $HACKATOM_URL | base64 | tr -d '[:space:]')\" }" | jq > src/testdata/contract.json
+```
+
+## License
+
+This package is part of the cosmjs repository, licensed under the Apache License
+2.0 (see [NOTICE](https://github.com/cosmos/cosmjs/blob/main/NOTICE) and
+[LICENSE](https://github.com/cosmos/cosmjs/blob/main/LICENSE)).
diff --git a/.../cosmwasm-stargate/jasmine-testrunner.cjs → packages/cosmwasm/jasmine-testrunner.cjs b/.../cosmwasm-stargate/jasmine-testrunner.cjs → packages/cosmwasm/jasmine-testrunner.cjs
diff --git a/packages/cosmwasm-stargate/karma.conf.cjs → packages/cosmwasm/karma.conf.cjs b/packages/cosmwasm-stargate/karma.conf.cjs → packages/cosmwasm/karma.conf.cjs
diff --git a/packages/cosmwasm/package.json b/packages/cosmwasm/package.json
@@ -0,0 +1,79 @@
+{
+  "name": "@cosmjs/cosmwasm",
+  "version": "0.37.0",
+  "description": "CosmWasm SDK",
+  "contributors": [
+    "Will Clark <willclarktech@users.noreply.github.com>",
+    "Simon Warta <webmaster128@users.noreply.github.com>"
+  ],
+  "license": "Apache-2.0",
+  "exports": {
+    "types": "./build/index.d.ts",
+    "default": "./build/index.js"
+  },
+  "files": [
+    "build/",
+    "*.md",
+    "!*.spec.*",
+    "!*testutils.*",
+    "!**/karma-bundle/",
+    "!**/testdata/"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/cosmos/cosmjs/tree/main/packages/cosmwasm"
+  },
+  "publishConfig": {
+    "access": "public",
+    "registry": "https://registry.npmjs.org"
+  },
+  "scripts": {
+    "docs": "typedoc",
+    "format": "prettier --write --log-level warn \"./src/**/*.ts\"",
+    "format-text": "prettier --write \"./*.md\"",
+    "build": "rm -rf ./build && tsc",
+    "build-or-skip": "[ -n \"${SKIP_BUILD:-}\" ] || yarn build",
+    "test-node": "yarn node jasmine-testrunner.cjs",
+    "test-firefox": "yarn pack-web && karma start --single-run --browsers Firefox karma.conf.cjs",
+    "test-chrome": "yarn pack-web && karma start --single-run --browsers ChromeHeadless karma.conf.cjs",
+    "test": "yarn build-or-skip && yarn test-node",
+    "coverage": "nyc --reporter=text --reporter=lcov yarn test --quiet",
+    "pack-web": "yarn build-or-skip && webpack --mode development --config webpack.web.config.cjs"
+  },
+  "dependencies": {
+    "@cosmjs/amino": "workspace:^",
+    "@cosmjs/crypto": "workspace:^",
+    "@cosmjs/encoding": "workspace:^",
+    "@cosmjs/math": "workspace:^",
+    "@cosmjs/proto-signing": "workspace:^",
+    "@cosmjs/stargate": "workspace:^",
+    "@cosmjs/tendermint-rpc": "workspace:^",
+    "@cosmjs/utils": "workspace:^",
+    "cosmjs-types": "^0.10.1"
+  },
+  "devDependencies": {
+    "@istanbuljs/nyc-config-typescript": "^1.0.1",
+    "@types/jasmine": "^4",
+    "@types/karma-firefox-launcher": "^2",
+    "@types/karma-jasmine": "^4",
+    "@types/karma-jasmine-html-reporter": "^1",
+    "@types/node": "*",
+    "glob": "^11",
+    "jasmine": "^4",
+    "jasmine-spec-reporter": "^6",
+    "karma": "^6.3.14",
+    "karma-chrome-launcher": "^3.1.0",
+    "karma-firefox-launcher": "^2.1.0",
+    "karma-jasmine": "^5",
+    "karma-jasmine-html-reporter": "^1.5.4",
+    "nyc": "^17.1.0",
+    "prettier": "^3.6.2",
+    "readonly-date": "^1.0.0",
+    "ses": "^1.13.0",
+    "source-map-support": "^0.5.19",
+    "typedoc": "^0.28",
+    "typescript": "~5.9",
+    "webpack": "^5.76.0",
+    "webpack-cli": "^4.6.0"
+  }
+}
diff --git a/...cosmwasm-stargate/src/compression.spec.ts → packages/cosmwasm/src/compression.spec.ts b/...cosmwasm-stargate/src/compression.spec.ts → packages/cosmwasm/src/compression.spec.ts
diff --git a/...ages/cosmwasm-stargate/src/compression.ts → packages/cosmwasm/src/compression.ts b/...ages/cosmwasm-stargate/src/compression.ts → packages/cosmwasm/src/compression.ts
diff --git a/...rgate/src/cosmwasmclient.searchtx.spec.ts → ...mwasm/src/cosmwasmclient.searchtx.spec.ts b/...rgate/src/cosmwasmclient.searchtx.spec.ts → ...mwasm/src/cosmwasmclient.searchtx.spec.ts
diff --git a/...mwasm-stargate/src/cosmwasmclient.spec.ts → packages/cosmwasm/src/cosmwasmclient.spec.ts b/...mwasm-stargate/src/cosmwasmclient.spec.ts → packages/cosmwasm/src/cosmwasmclient.spec.ts
diff --git a/...s/cosmwasm-stargate/src/cosmwasmclient.ts → packages/cosmwasm/src/cosmwasmclient.ts b/...s/cosmwasm-stargate/src/cosmwasmclient.ts → packages/cosmwasm/src/cosmwasmclient.ts
diff --git a/...es/cosmwasm-stargate/src/encoding.spec.ts → packages/cosmwasm/src/encoding.spec.ts b/...es/cosmwasm-stargate/src/encoding.spec.ts → packages/cosmwasm/src/encoding.spec.ts
diff --git a/packages/cosmwasm-stargate/src/encoding.ts → packages/cosmwasm/src/encoding.ts b/packages/cosmwasm-stargate/src/encoding.ts → packages/cosmwasm/src/encoding.ts
-Original file line number
+Diff line change
@@ -0,0 +1,4 @@
+    build/
+    dist/
+    docs/
+    tmp/