diff --git a/globalSetup.ts b/globalSetup.ts
index de29cbbe..8e2a1e3c 100644
--- a/globalSetup.ts
+++ b/globalSetup.ts
@@ -1,4 +1,4 @@
-import { env } from 'neutronjs';
+import { env } from '@neutron-org/neutronjs';
 
 export default async () => {
   const host1 = process.env.NODE1_URL || 'http://localhost:1317';
diff --git a/package.json b/package.json
index 4bbc4faa..429f92fc 100644
--- a/package.json
+++ b/package.json
@@ -39,6 +39,7 @@
     "@cosmos-client/core": "0.45.13",
     "@cosmos-client/cosmwasm": "^0.20.1",
     "@cosmos-client/ibc": "^1.2.1",
+    "@neutron-org/neutronjs": "^0.0.4",
     "@types/lodash": "^4.14.182",
     "@types/long": "^4.0.2",
     "axios": "^0.27.2",
@@ -51,7 +52,6 @@
     "lodash": "^4.17.21",
     "long": "^5.2.1",
     "merkletreejs": "^0.3.9",
-    "neutronjs": "file:../neutronjs",
     "yesno": "^0.4.0"
   },
   "devDependencies": {
diff --git a/src/testcases/parallel/dao_assert.test.ts b/src/testcases/parallel/dao_assert.test.ts
index 789ee411..0f909452 100644
--- a/src/testcases/parallel/dao_assert.test.ts
+++ b/src/testcases/parallel/dao_assert.test.ts
@@ -5,7 +5,7 @@ import {
   NEUTRON_DENOM,
   TestStateLocalCosmosTestNet,
   types,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const config = require('../../config.json');
 
diff --git a/src/testcases/parallel/governance.test.ts b/src/testcases/parallel/governance.test.ts
index d93ef9a6..096c0b3e 100644
--- a/src/testcases/parallel/governance.test.ts
+++ b/src/testcases/parallel/governance.test.ts
@@ -5,7 +5,7 @@ import {
   TestStateLocalCosmosTestNet,
   types,
   wait,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const config = require('../../config.json');
 
diff --git a/src/testcases/parallel/interchain_tx_query_resubmit.test.ts b/src/testcases/parallel/interchain_tx_query_resubmit.test.ts
index 3958d999..07787b95 100644
--- a/src/testcases/parallel/interchain_tx_query_resubmit.test.ts
+++ b/src/testcases/parallel/interchain_tx_query_resubmit.test.ts
@@ -5,7 +5,7 @@ import {
   NEUTRON_DENOM,
   TestStateLocalCosmosTestNet,
   types,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const config = require('../../config.json');
 
diff --git a/src/testcases/parallel/overrule.test.ts b/src/testcases/parallel/overrule.test.ts
index 400f4a42..e199fd98 100644
--- a/src/testcases/parallel/overrule.test.ts
+++ b/src/testcases/parallel/overrule.test.ts
@@ -4,7 +4,7 @@ import {
   dao,
   NEUTRON_DENOM,
   TestStateLocalCosmosTestNet,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const config = require('../../config.json');
 
diff --git a/src/testcases/parallel/simple.test.ts b/src/testcases/parallel/simple.test.ts
index 5ea3b1eb..a1e86fc1 100644
--- a/src/testcases/parallel/simple.test.ts
+++ b/src/testcases/parallel/simple.test.ts
@@ -7,7 +7,7 @@ import {
   TestStateLocalCosmosTestNet,
   types,
   wait,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const config = require('../../config.json');
 
diff --git a/src/testcases/parallel/stargate_queries.test.ts b/src/testcases/parallel/stargate_queries.test.ts
index 13ee54a6..2aae6228 100644
--- a/src/testcases/parallel/stargate_queries.test.ts
+++ b/src/testcases/parallel/stargate_queries.test.ts
@@ -1,47 +1,47 @@
-import Long from 'long';
 import {
-  CosmosWrapper,
+  cosmosWrapper,
   COSMOS_DENOM,
   NEUTRON_DENOM,
-  WalletWrapper,
-  getEventAttribute,
-} from '../../helpers/cosmos';
-import { NeutronContract } from '../../helpers/types';
-import { msgCreateDenom } from '../../helpers/tokenfactory';
-
-import { TestStateLocalCosmosTestNet } from '../common_localcosmosnet';
-import { CodeId } from '../../types';
+  TestStateLocalCosmosTestNet,
+  tokenfactory,
+  types,
+} from '@neutron-org/neutronjs';
+import Long from 'long';
 
+const config = require('../../config.json');
 describe('Neutron / Simple', () => {
   let testState: TestStateLocalCosmosTestNet;
-  let neutronChain: CosmosWrapper;
-  let neutronAccount: WalletWrapper;
+  let neutronChain: cosmosWrapper.CosmosWrapper;
+  let neutronAccount: cosmosWrapper.WalletWrapper;
   let contractAddress: string;
 
-  let gaiaChain: CosmosWrapper;
-  let gaiaAccount: WalletWrapper;
+  let gaiaChain: cosmosWrapper.CosmosWrapper;
+  let gaiaAccount: cosmosWrapper.WalletWrapper;
 
   let newTokenDenom: string;
 
   beforeAll(async () => {
-    testState = new TestStateLocalCosmosTestNet();
+    cosmosWrapper.registerCodecs();
+    tokenfactory.registerCodecs();
+
+    testState = new TestStateLocalCosmosTestNet(config);
     await testState.init();
-    neutronChain = new CosmosWrapper(
+    neutronChain = new cosmosWrapper.CosmosWrapper(
       testState.sdk1,
       testState.blockWaiter1,
       NEUTRON_DENOM,
     );
-    neutronAccount = new WalletWrapper(
+    neutronAccount = new cosmosWrapper.WalletWrapper(
       neutronChain,
       testState.wallets.qaNeutron.genQaWal1,
     );
 
-    gaiaChain = new CosmosWrapper(
+    gaiaChain = new cosmosWrapper.CosmosWrapper(
       testState.sdk2,
       testState.blockWaiter2,
       COSMOS_DENOM,
     );
-    gaiaAccount = new WalletWrapper(
+    gaiaAccount = new cosmosWrapper.WalletWrapper(
       gaiaChain,
       testState.wallets.qaCosmos.genQaWal1,
     );
@@ -65,12 +65,12 @@ describe('Neutron / Simple', () => {
     test('create denom, mint', async () => {
       const denom = `teststargate`;
 
-      const data = await msgCreateDenom(
+      const data = await tokenfactory.msgCreateDenom(
         neutronAccount,
         neutronAccount.wallet.address.toString(),
         denom,
       );
-      newTokenDenom = getEventAttribute(
+      newTokenDenom = cosmosWrapper.getEventAttribute(
         (data as any).events,
         'create_denom',
         'new_token_denom',
@@ -79,9 +79,11 @@ describe('Neutron / Simple', () => {
   });
 
   describe('Contract instantiation', () => {
-    let codeId: CodeId;
+    let codeId: types.CodeId;
     test('store contract', async () => {
-      codeId = await neutronAccount.storeWasm(NeutronContract.STARGATE_QUERIER);
+      codeId = await neutronAccount.storeWasm(
+        types.NeutronContract.STARGATE_QUERIER,
+      );
       expect(codeId).toBeGreaterThan(0);
     });
     test('instantiate', async () => {
diff --git a/src/testcases/parallel/subdao.test.ts b/src/testcases/parallel/subdao.test.ts
index 6c19f9df..1a5da49d 100644
--- a/src/testcases/parallel/subdao.test.ts
+++ b/src/testcases/parallel/subdao.test.ts
@@ -8,7 +8,7 @@ import {
   TestStateLocalCosmosTestNet,
   types,
   wait,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const config = require('../../config.json');
 
diff --git a/src/testcases/parallel/tge.credits_vault.test.ts b/src/testcases/parallel/tge.credits_vault.test.ts
index d86053d3..e829a667 100644
--- a/src/testcases/parallel/tge.credits_vault.test.ts
+++ b/src/testcases/parallel/tge.credits_vault.test.ts
@@ -7,7 +7,7 @@ import {
   TestStateLocalCosmosTestNet,
   types,
   wait,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const config = require('../../config.json');
 
diff --git a/src/testcases/parallel/tge.investors_vesting_vault.test.ts b/src/testcases/parallel/tge.investors_vesting_vault.test.ts
index b4dd72db..673cce08 100644
--- a/src/testcases/parallel/tge.investors_vesting_vault.test.ts
+++ b/src/testcases/parallel/tge.investors_vesting_vault.test.ts
@@ -5,7 +5,7 @@ import {
   TestStateLocalCosmosTestNet,
   types,
   wait,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const INVESTORS_VESTING_CONTRACT_KEY = 'VESTING_INVESTORS';
 const INVESTORS_VESTING_VAULT_CONTRACT_KEY = 'INVESTORS_VESTING_VAULT';
diff --git a/src/testcases/parallel/tge.vesting_lp_vault.test.ts b/src/testcases/parallel/tge.vesting_lp_vault.test.ts
index a4b5ab30..59ab03ab 100644
--- a/src/testcases/parallel/tge.vesting_lp_vault.test.ts
+++ b/src/testcases/parallel/tge.vesting_lp_vault.test.ts
@@ -6,7 +6,7 @@ import {
   TestStateLocalCosmosTestNet,
   types,
   wait,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 // general contract keys used across the tests
 const ASTRO_PAIR_CONTRACT_KEY = 'ASTRO_PAIR';
diff --git a/src/testcases/parallel/tokenfactory.test.ts b/src/testcases/parallel/tokenfactory.test.ts
index e0b4e6f6..2aaa7a1b 100644
--- a/src/testcases/parallel/tokenfactory.test.ts
+++ b/src/testcases/parallel/tokenfactory.test.ts
@@ -5,7 +5,7 @@ import {
   TestStateLocalCosmosTestNet,
   tokenfactory,
   types,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const config = require('../../config.json');
 
diff --git a/src/testcases/run_in_band/globalfee.test.ts b/src/testcases/run_in_band/globalfee.test.ts
index 2c97494e..9f389b96 100644
--- a/src/testcases/run_in_band/globalfee.test.ts
+++ b/src/testcases/run_in_band/globalfee.test.ts
@@ -6,7 +6,7 @@ import {
   NEUTRON_DENOM,
   TestStateLocalCosmosTestNet,
   wait,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const config = require('../../config.json');
 
diff --git a/src/testcases/run_in_band/ibc_hooks.test.ts b/src/testcases/run_in_band/ibc_hooks.test.ts
index c8a68aed..a2d257b6 100644
--- a/src/testcases/run_in_band/ibc_hooks.test.ts
+++ b/src/testcases/run_in_band/ibc_hooks.test.ts
@@ -5,7 +5,7 @@ import {
   NEUTRON_DENOM,
   TestStateLocalCosmosTestNet,
   types,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const config = require('../../config.json');
 
diff --git a/src/testcases/run_in_band/interchain_kv_query.test.ts b/src/testcases/run_in_band/interchain_kv_query.test.ts
index 79eb519c..1d89654f 100644
--- a/src/testcases/run_in_band/interchain_kv_query.test.ts
+++ b/src/testcases/run_in_band/interchain_kv_query.test.ts
@@ -12,7 +12,7 @@ import {
   TestStateLocalCosmosTestNet,
   types,
   wait,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const getKvCallbackStatus = (
   cm: cosmosWrapper.CosmosWrapper,
diff --git a/src/testcases/run_in_band/interchain_tx_query_plain.test.ts b/src/testcases/run_in_band/interchain_tx_query_plain.test.ts
index e85973aa..92260c4d 100644
--- a/src/testcases/run_in_band/interchain_tx_query_plain.test.ts
+++ b/src/testcases/run_in_band/interchain_tx_query_plain.test.ts
@@ -7,7 +7,7 @@ import {
   NEUTRON_DENOM,
   TestStateLocalCosmosTestNet,
   types,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const config = require('../../config.json');
 
diff --git a/src/testcases/run_in_band/interchaintx.test.ts b/src/testcases/run_in_band/interchaintx.test.ts
index 9b3a7c07..6a54c703 100644
--- a/src/testcases/run_in_band/interchaintx.test.ts
+++ b/src/testcases/run_in_band/interchaintx.test.ts
@@ -10,7 +10,7 @@ import {
   TestStateLocalCosmosTestNet,
   types,
   wait,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const config = require('../../config.json');
 
diff --git a/src/testcases/run_in_band/reserve.test.ts b/src/testcases/run_in_band/reserve.test.ts
index 001f33e1..97e0e062 100644
--- a/src/testcases/run_in_band/reserve.test.ts
+++ b/src/testcases/run_in_band/reserve.test.ts
@@ -6,7 +6,7 @@ import {
   NEUTRON_DENOM,
   TestStateLocalCosmosTestNet,
   types,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const config = require('../../config.json');
 interface ReserveStats {
diff --git a/src/testcases/run_in_band/tge.airdrop.test.ts b/src/testcases/run_in_band/tge.airdrop.test.ts
index 0c48b09c..fa171506 100644
--- a/src/testcases/run_in_band/tge.airdrop.test.ts
+++ b/src/testcases/run_in_band/tge.airdrop.test.ts
@@ -4,7 +4,7 @@ import {
   TestStateLocalCosmosTestNet,
   tge,
   types,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const config = require('../../config.json');
 
diff --git a/src/testcases/run_in_band/tge.auction.test.ts b/src/testcases/run_in_band/tge.auction.test.ts
index 7313121b..26da0214 100644
--- a/src/testcases/run_in_band/tge.auction.test.ts
+++ b/src/testcases/run_in_band/tge.auction.test.ts
@@ -11,7 +11,7 @@ import {
   tokenfactory,
   types,
   wait,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const MIN_LIQUDITY = 1000;
 const ATOM_DEPOSIT_AMOUNT = 10000;
diff --git a/src/testcases/run_in_band/tge.credits.test.ts b/src/testcases/run_in_band/tge.credits.test.ts
index c24d18ce..45b68845 100644
--- a/src/testcases/run_in_band/tge.credits.test.ts
+++ b/src/testcases/run_in_band/tge.credits.test.ts
@@ -4,7 +4,7 @@ import {
   TestStateLocalCosmosTestNet,
   types,
   wait,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const getTimestamp = (secondsFromNow: number): number =>
   (Date.now() / 1000 + secondsFromNow) | 0;
diff --git a/src/testcases/run_in_band/tokenomics.test.ts b/src/testcases/run_in_band/tokenomics.test.ts
index fd33f01f..a3e0a18c 100644
--- a/src/testcases/run_in_band/tokenomics.test.ts
+++ b/src/testcases/run_in_band/tokenomics.test.ts
@@ -6,7 +6,7 @@ import {
   NEUTRON_DENOM,
   TestStateLocalCosmosTestNet,
   wait,
-} from 'neutronjs';
+} from '@neutron-org/neutronjs';
 
 const config = require('../../config.json');
 describe('Neutron / Tokenomics', () => {
diff --git a/src/types.ts b/src/types.ts
deleted file mode 100644
index 6b016f9a..00000000
--- a/src/types.ts
+++ /dev/null
@@ -1,35 +0,0 @@
-import { cosmosclient, proto } from '@cosmos-client/core';
-import bech32 from 'bech32';
-
-export class cosmosWrapper.Wallet {
-  address: cosmosclient.AccAddress | cosmosclient.ValAddress;
-  account: proto.cosmos.auth.v1beta1.BaseAccount | null;
-  pubKey: cosmosclient.PubKey;
-  privKey: cosmosclient.PrivKey;
-  addrPrefix: string;
-  constructor(
-    address: cosmosclient.AccAddress | cosmosclient.ValAddress,
-    account: proto.cosmos.auth.v1beta1.BaseAccount | null,
-    pubKey: cosmosclient.PubKey,
-    privKey: cosmosclient.PrivKey,
-    addrPrefix: string,
-  ) {
-    this.address = address;
-    this.account = account;
-    this.pubKey = pubKey;
-    this.privKey = privKey;
-    this.addrPrefix = addrPrefix;
-    this.address.toString = () => {
-      if (this.address instanceof cosmosclient.AccAddress) {
-        const words = bech32.toWords(Buffer.from(this.address.value()));
-        return bech32.encode(addrPrefix, words);
-      } else if (this.address instanceof cosmosclient.ValAddress) {
-        const words = bech32.toWords(Buffer.from(this.address.value()));
-        return bech32.encode(addrPrefix + 'valoper', words);
-      }
-      throw new Error('unexpected addr type');
-    };
-  }
-}
-
-export type CodeId = number;
diff --git a/yarn.lock b/yarn.lock
index febe526d..8e6c6c6c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1591,6 +1591,17 @@
     "@jridgewell/resolve-uri" "^3.0.3"
     "@jridgewell/sourcemap-codec" "^1.4.10"
 
+"@neutron-org/neutronjs@^0.0.4":
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/@neutron-org/neutronjs/-/neutronjs-0.0.4.tgz#c9de82542e2b1515db6e62c92e29c604be72d8d6"
+  integrity sha512-RB8aoj5WLW1qgpRZSguJxb0UXcjUy71mgewp81nBquiqtOvSBdFegP0qKwVE056We+cMSWPR2CpGSdnDIjap8w==
+  dependencies:
+    "@cosmos-client/core" "0.45.13"
+    "@cosmos-client/cosmwasm" "^0.20.1"
+    "@cosmos-client/ibc" "^1.2.1"
+    axios "^0.27.2"
+    merkletreejs "^0.3.9"
+
 "@nodelib/fs.scandir@2.1.5":
   version "2.1.5"
   resolved "https://registry.yarnpkg.com/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz#7619c2eb21b25483f6d167548b4cfd5a7488c3d5"
@@ -4615,15 +4626,6 @@ negotiator@0.6.3:
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.3.tgz#58e323a72fedc0d6f9cd4d31fe49f51479590ccd"
   integrity sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==
 
-"neutronjs@file:../neutronjs":
-  version "0.0.1"
-  dependencies:
-    "@cosmos-client/core" "0.45.13"
-    "@cosmos-client/cosmwasm" "^0.20.1"
-    "@cosmos-client/ibc" "^1.2.1"
-    axios "^0.27.2"
-    merkletreejs "^0.3.9"
-
 node-addon-api@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/node-addon-api/-/node-addon-api-2.0.2.tgz#432cfa82962ce494b132e9d72a15b29f71ff5d32"