diff --git a/src/contracts/SmartContract.ts b/src/contracts/SmartContract.ts
index 68f5d0e6..d7430ac3 100644
--- a/src/contracts/SmartContract.ts
+++ b/src/contracts/SmartContract.ts
@@ -34,7 +34,7 @@ export abstract class SmartContract {
     this.abi = abi || (this.getDefaultAbi() as AbiItem[])
   }
 
-  async amountToUnits(
+  protected async amountToUnits(
     token: string,
     amount: string,
     tokenDecimals?: number
@@ -42,7 +42,7 @@ export abstract class SmartContract {
     return amountToUnits(this.web3, token, amount, tokenDecimals)
   }
 
-  async unitsToAmount(
+  protected async unitsToAmount(
     token: string,
     amount: string,
     tokenDecimals?: number
@@ -50,11 +50,15 @@ export abstract class SmartContract {
     return unitsToAmount(this.web3, token, amount, tokenDecimals)
   }
 
-  async getFairGasPrice(): Promise<string> {
+  protected async getFairGasPrice(): Promise<string> {
     return getFairGasPrice(this.web3, this.config)
   }
 
-  getContract(address: string, account?: string, abi?: AbiItem | AbiItem[]): Contract {
+  protected getContract(
+    address: string,
+    account?: string,
+    abi?: AbiItem | AbiItem[]
+  ): Contract {
     const contract = new this.web3.eth.Contract(abi || this.abi, address, {
       from: account
     })
diff --git a/src/contracts/factories/NFTFactory.ts b/src/contracts/factories/NFTFactory.ts
index 795c831e..4faa1c49 100644
--- a/src/contracts/factories/NFTFactory.ts
+++ b/src/contracts/factories/NFTFactory.ts
@@ -499,7 +499,7 @@ export class NftFactory extends SmartContractWithAddress {
     poolParams: PoolCreationParams
   ): Promise<TransactionReceipt> {
     const ercCreateData = this.getErcCreationParams(ercParams)
-    const poolData = await this.getPoolCreationParams(this.web3, poolParams)
+    const poolData = await this.getPoolCreationParams(poolParams)
 
     const estGas = await calculateEstimatedGas(
       address,
@@ -601,7 +601,7 @@ export class NftFactory extends SmartContractWithAddress {
     return trxReceipt
   }
 
-  getErcCreationParams(ercParams: DatatokenCreateParams): any {
+  private getErcCreationParams(ercParams: DatatokenCreateParams): any {
     let name: string, symbol: string
     // Generate name & symbol if not present
     if (!ercParams.name || !ercParams.symbol) {
@@ -621,7 +621,7 @@ export class NftFactory extends SmartContractWithAddress {
     }
   }
 
-  getFreCreationParams(freParams: FreCreationParams): any {
+  private getFreCreationParams(freParams: FreCreationParams): any {
     if (!freParams.allowedConsumer) freParams.allowedConsumer = ZERO_ADDRESS
     const withMint = freParams.withMint ? 1 : 0
 
@@ -643,7 +643,7 @@ export class NftFactory extends SmartContractWithAddress {
     }
   }
 
-  async getPoolCreationParams(web3: Web3, poolParams: PoolCreationParams): Promise<any> {
+  private async getPoolCreationParams(poolParams: PoolCreationParams): Promise<any> {
     return {
       addresses: [
         poolParams.ssContract,
diff --git a/src/contracts/pools/FixedRateExchange.ts b/src/contracts/pools/FixedRateExchange.ts
index 69ccf42c..9f9efe91 100644
--- a/src/contracts/pools/FixedRateExchange.ts
+++ b/src/contracts/pools/FixedRateExchange.ts
@@ -677,7 +677,7 @@ export class FixedRateExchange extends SmartContractWithAddress {
    * Get Router address set in fixed rate contract
    * @return {String}
    */
-  async getRouter(): Promise<string> {
+  public async getRouter(): Promise<string> {
     let result = null
     try {
       result = await this.contract.methods.router().call()
diff --git a/src/contracts/pools/SideStaking.ts b/src/contracts/pools/SideStaking.ts
index e9e9107f..01799d1e 100644
--- a/src/contracts/pools/SideStaking.ts
+++ b/src/contracts/pools/SideStaking.ts
@@ -274,7 +274,7 @@ export class SideStaking extends SmartContract {
    * @param {String} datatokenAddress datatokenAddress
    * @return {TransactionReceipt}
    */
-  async setPoolSwapFee(
+  private async setPoolSwapFee(
     account: string,
     ssAddress: string,
     datatokenAddress: string,
@@ -311,7 +311,7 @@ export class SideStaking extends SmartContract {
    * @param {String} ssAddress side staking contract address
    * @return {String}
    */
-  async getRouter(ssAddress: string): Promise<string> {
+  public async getRouter(ssAddress: string): Promise<string> {
     const sideStaking = this.getContract(ssAddress)
     let result = null
     try {
diff --git a/src/contracts/tokens/Datatoken.ts b/src/contracts/tokens/Datatoken.ts
index 81fa9e3a..e777e31a 100644
--- a/src/contracts/tokens/Datatoken.ts
+++ b/src/contracts/tokens/Datatoken.ts
@@ -847,7 +847,7 @@ export class Datatoken extends SmartContract {
     return returnValues
   }
 
-  getFreOrderParams(freParams: FreOrderParams): any {
+  private getFreOrderParams(freParams: FreOrderParams): any {
     return {
       exchangeContract: freParams.exchangeContract,
       exchangeId: freParams.exchangeId,