diff --git a/lib/src/transaction/msg/distribution/MsgFundCommunityPool.spec.ts b/lib/src/transaction/msg/distribution/MsgFundCommunityPool.spec.ts
index c29fc0a4..2cfdda4d 100644
--- a/lib/src/transaction/msg/distribution/MsgFundCommunityPool.spec.ts
+++ b/lib/src/transaction/msg/distribution/MsgFundCommunityPool.spec.ts
@@ -1,110 +1,139 @@
-import ow from 'ow';
-import { CosmosMsg } from '../cosmosMsg';
-import { Msg } from '../../../cosmos/v1beta1/types/msg';
-import { InitConfigurations, CroSDK } from '../../../core/cro';
-import { AddressType, validateAddress } from '../../../utils/address';
-import { owMsgFundCommunityPoolOptions } from '../ow.types';
-import { COSMOS_MSG_TYPEURL } from '../../common/constants/typeurl';
+/* eslint-disable */
+import { expect } from 'chai';
+import Big from 'big.js';
+import { fuzzyDescribe } from '../../../test/mocha-fuzzy/suite';
+import { CroSDK, CroNetwork } from '../../../core/cro';
+import { Secp256k1KeyPair } from '../../../keypair/secp256k1';
+import { Bytes } from '../../../utils/bytes/bytes';
 import * as legacyAmino from '../../../cosmos/amino';
-import { ICoin } from '../../../coin/coin';
-import { Network } from '../../../network/network';
-
-export const msgFundCommunityPool = function (config: InitConfigurations) {
-    return class MsgFundCommunityPool implements CosmosMsg {
-        // Normal user addresses with (t)cro prefix
-        public readonly depositor: string;
-
-        public amount: ICoin;
-
-        /**
-         * Constructor to create a new MsgFundCommunityPool
-         * @param {MsgFundCommunityPoolOptions} options
-         * @returns {MsgFundCommunityPool}
-         * @throws {Error} when options is invalid
-         */
-        constructor(options: MsgFundCommunityPoolOptions) {
-            ow(options, 'communityPoolOptions', owMsgFundCommunityPoolOptions);
-
-            this.depositor = options.depositor;
-            this.amount = options.amount;
-
-            this.validateAddresses();
-        }
-
-        // eslint-disable-next-line class-methods-use-this
-        toRawAminoMsg(): legacyAmino.Msg {
-            return {
+import { Units } from '../../../coin/coin';
+
+const cro = CroSDK({
+    network: {
+        defaultNodeUrl: '',
+        chainId: 'testnet-croeseid-1',
+        addressPrefix: 'tcro',
+        validatorAddressPrefix: 'tcrocncl',
+        validatorPubKeyPrefix: 'tcrocnclconspub',
+        coin: {
+            baseDenom: 'basetcro',
+            croDenom: 'tcro',
+        },
+        bip44Path: {
+            coinType: 1,
+            account: 0,
+        },
+        rpcUrl: '',
+    },
+});
+let amount = new cro.Coin('1000', Units.BASE)
+
+describe('Testing MsgFundCommunityPool', function () {
+    fuzzyDescribe('should throw Error when options is invalid', function (fuzzy) {
+        const anyValidOptions = {
+            depositor: 'tcro165tzcrh2yl83g8qeqxueg2g5gzgu57y3fe3kc3',
+            amount,
+        };
+        const testRunner = fuzzy(fuzzy.ObjArg(anyValidOptions));
+
+        testRunner(function (options) {
+            if (options.valid) {
+                return;
+            }
+            expect(() => new cro.distribution.MsgFundCommunityPool(options.value)).to.throw(
+                'Expected `communityPoolOptions` to be of type `object`',
+            );
+        });
+    });
+
+    it('Test appending MsgFundCommunityPool and signing it', function () {
+        const anyKeyPair = Secp256k1KeyPair.fromPrivKey(
+            Bytes.fromHexString('66633d18513bec30dd11a209f1ceb1787aa9e2069d5d47e590174dc9665102b3'),
+        );
+
+        const MsgFundCommunityPool = new cro.distribution.MsgFundCommunityPool({
+            depositor: 'tcro165tzcrh2yl83g8qeqxueg2g5gzgu57y3fe3kc3',
+            amount,
+        });
+
+        const anySigner = {
+            publicKey: anyKeyPair.getPubKey(),
+            accountNumber: new Big(0),
+            accountSequence: new Big(10),
+        };
+
+        const rawTx = new cro.RawTransaction();
+
+        const signableTx = rawTx.appendMessage(MsgFundCommunityPool).addSigner(anySigner).toSignable();
+
+        const signedTx = signableTx.setSignature(0, anyKeyPair.sign(signableTx.toSignDocumentHash(0))).toSigned();
+
+        const signedTxHex = signedTx.encode().toHexString();
+        expect(signedTxHex).to.be.eql(
+            '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',
+        );
+    });
+
+    describe('Testing MsgFundCommunityPool json', function () {
+        it('Test MsgFundCommunityPool conversion for amino json', function () {
+            const MsgWithdrawDelegatatorReward = new cro.distribution.MsgFundCommunityPool({
+                depositor: 'tcro165tzcrh2yl83g8qeqxueg2g5gzgu57y3fe3kc3',
+                amount,
+            });
+
+            const rawMsg: legacyAmino.Msg = {
                 type: 'cosmos-sdk/MsgFundCommunityPool',
                 value: {
-                    depositor: this.depositor,
-                    amount: this.amount.toCosmosCoins(),
-                },
-            } as legacyAmino.MsgFundCommunityPool;
-        }
-
-        /**
-         * Returns the raw Msg representation of MsgFundCommunityPool
-         * @returns {Msg}
-         */
-        toRawMsg(): Msg {
-            return {
-                typeUrl: COSMOS_MSG_TYPEURL.distribution.MsgFundCommunityPool,
-                value: {
-                    depositor: this.depositor,
-                    amount: this.amount.toCosmosCoins(),
+                    depositor: 'tcro165tzcrh2yl83g8qeqxueg2g5gzgu57y3fe3kc3',
+                    amount: amount.toCosmosCoins(),
                 },
             };
-        }
-
-        /**
-         * Returns an instance of MsgFundCommunityPool
-         * @param {string} msgJsonStr
-         * @param {Network} network
-         * @returns {MsgFundCommunityPool}
-         */
-        public static fromCosmosMsgJSON(msgJsonStr: string, network: Network): MsgFundCommunityPool {
-            const parsedMsg = JSON.parse(msgJsonStr) as MsgFundCommunityPoolRaw;
-            const cro = CroSDK({ network });
-            if (parsedMsg['@type'] !== COSMOS_MSG_TYPEURL.distribution.MsgFundCommunityPool) {
-                throw new Error(
-                    `Expected ${COSMOS_MSG_TYPEURL.distribution.MsgFundCommunityPool} but got ${parsedMsg['@type']}`,
-                );
-            }
-            if (!parsedMsg.amount || parsedMsg.amount.length !== 1) {
-                throw new Error('Invalid amount in the Msg.');
-            }
 
-            return new MsgFundCommunityPool({
-                depositor: parsedMsg.depositor,
-                amount: cro.Coin.fromCustomAmountDenom(parsedMsg.amount[0].amount, parsedMsg.amount[0].denom),
-            });
-        }
-
-        validateAddresses() {
-            if (
-                !validateAddress({
-                    address: this.depositor,
-                    network: config.network,
-                    type: AddressType.USER,
-                })
-            ) {
-                throw new TypeError('Provided `depositor` address doesnt match network selected');
-            }
-        }
-    };
-};
-
-export type MsgFundCommunityPoolOptions = {
-    depositor: string;
-    amount: ICoin;
-};
-interface MsgFundCommunityPoolRaw {
-    '@type': string;
-    amount: Amount[];
-    depositor: string;
-}
-
-interface Amount {
-    denom: string;
-    amount: string;
-}
+            expect(MsgWithdrawDelegatatorReward.toRawAminoMsg()).to.eqls(rawMsg);
+        });
+    });
+
+    describe('Testing throw scenarios', function () {
+        it('Should throw on invalid depositor', function () {
+            expect(() => {
+                new cro.distribution.MsgFundCommunityPool({
+                    depositor: 'cro1xh3dqgljnydpwelzqf265edryrqrq7wzacx2nr',
+                    amount,
+                });
+            }).to.throw('Provided `depositor` address doesnt match network selected');
+        });
+    });
+    describe('fromCosmosJSON', function () {
+        it('should throw Error if the JSON is not a MsgFundCommunityPool', function () {
+            const json =
+            '{ "@type": "/cosmos.bank.v1beta1.MsgCreateValidator", "amount": [{ "denom": "basetcro", "amount": "3478499933290496" }], "from_address": "tcro1x07kkkepfj2hl8etlcuqhej7jj6myqrp48y4hg", "to_address": "tcro184lta2lsyu47vwyp2e8zmtca3k5yq85p6c4vp3" }';
+            expect(() => cro.distribution.MsgFundCommunityPool.fromCosmosMsgJSON(json, CroNetwork.Testnet)).to.throw(
+                'Expected /cosmos.distribution.v1beta1.MsgFundCommunityPool but got /cosmos.bank.v1beta1.MsgCreateValidator',
+            );
+        });
+
+        it('should throw Error when the `depositor` field is missing', function () {
+            const json =
+                '{"@type":"/cosmos.distribution.v1beta1.MsgFundCommunityPool","amount":[{ "denom": "basetcro", "amount": "3478499933290496" }]}';
+            expect(() => cro.distribution.MsgFundCommunityPool.fromCosmosMsgJSON(json, CroNetwork.Testnet)).to.throw(
+                'Expected property `depositor` to be of type `string` but received type `undefined` in object `communityPoolOptions`',
+            );
+        });
+        it('should throw Error when the amount field is missing', function () {
+            const json =
+                '{"@type":"/cosmos.distribution.v1beta1.MsgFundCommunityPool","depositor":"tcro165tzcrh2yl83g8qeqxueg2g5gzgu57y3fe3kc3"}';
+            expect(() => cro.distribution.MsgFundCommunityPool.fromCosmosMsgJSON(json, CroNetwork.Testnet)).to.throw(
+                'Invalid amount in the Msg.',
+            );
+        });
+        it('should return the `MsgFundCommunityPool` corresponding to the JSON', function () {
+            const json =
+                '{"@type":"/cosmos.distribution.v1beta1.MsgFundCommunityPool","amount":[{ "denom": "basetcro", "amount": "3478499933290496" }],"depositor":"tcro165tzcrh2yl83g8qeqxueg2g5gzgu57y3fe3kc3"}';
+
+            const msgFundCommPool = cro.distribution.MsgFundCommunityPool.fromCosmosMsgJSON(json, CroNetwork.Testnet);
+            expect(msgFundCommPool.depositor).to.eql('tcro165tzcrh2yl83g8qeqxueg2g5gzgu57y3fe3kc3');
+            expect(msgFundCommPool.amount.toCosmosCoin().amount).to.eql('3478499933290496');
+            expect(msgFundCommPool.amount.toCosmosCoin().denom).to.eql('basetcro');
+        });
+    });
+});
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