diff --git a/src/interfaces/DispenserInterface.ts b/src/interfaces/DispenserInterface.ts
new file mode 100644
index 00000000..e69de29b
diff --git a/src/interfaces/Erc20Interface.ts b/src/interfaces/Erc20Interface.ts
new file mode 100644
index 00000000..a7a0892d
--- /dev/null
+++ b/src/interfaces/Erc20Interface.ts
@@ -0,0 +1,11 @@
+export interface Erc20CreateParams {
+  templateIndex: number
+  minter: string
+  feeManager: string
+  mpFeeAddress: string
+  feeToken: string
+  feeAmount: string
+  cap: string
+  name?: string
+  symbol?: string
+}
diff --git a/src/interfaces/FixedRateInterface.ts b/src/interfaces/FixedRateInterface.ts
new file mode 100644
index 00000000..7e3c5364
--- /dev/null
+++ b/src/interfaces/FixedRateInterface.ts
@@ -0,0 +1,18 @@
+export interface FreCreationParams {
+  fixedRateAddress: string
+  baseTokenAddress: string
+  owner: string
+  marketFeeCollector: string
+  baseTokenDecimals: number
+  dataTokenDecimals: number
+  fixedRate: string
+  marketFee: number
+  withMint?: boolean // add FixedPriced contract as minter if withMint == true
+  allowedConsumer?: string //  only account that consume the exhchange
+}
+
+export interface FreOrderParams {
+  exchangeContract: string
+  exchangeId: string
+  maxBaseTokenAmount: string
+}
diff --git a/src/interfaces/PoolInterface.ts b/src/interfaces/PoolInterface.ts
new file mode 100644
index 00000000..22b12fa3
--- /dev/null
+++ b/src/interfaces/PoolInterface.ts
@@ -0,0 +1,15 @@
+export interface PoolCreationParams {
+  ssContract: string
+  basetokenAddress: string
+  basetokenSender: string
+  publisherAddress: string
+  marketFeeCollector: string
+  poolTemplateAddress: string
+  rate: string
+  basetokenDecimals: number
+  vestingAmount: string
+  vestedBlocks: number
+  initialBasetokenLiquidity: string
+  swapFeeLiquidityProvider: number
+  swapFeeMarketPlaceRunner: number
+}
diff --git a/src/interfaces/index.ts b/src/interfaces/index.ts
new file mode 100644
index 00000000..74a4e79c
--- /dev/null
+++ b/src/interfaces/index.ts
@@ -0,0 +1,4 @@
+export * from './FixedRateInterface'
+export * from './PoolInterface'
+export * from './Erc20Interface'
+// export * from './DispenserInterface'
diff --git a/src/utils/ContractParams.ts b/src/utils/ContractParams.ts
new file mode 100644
index 00000000..84688f67
--- /dev/null
+++ b/src/utils/ContractParams.ts
@@ -0,0 +1,68 @@
+import { Erc20CreateParams, FreCreationParams, PoolCreationParams } from '../interfaces'
+import { generateDtName } from '.'
+import Web3 from 'web3'
+
+export function getErcCreationParams(ercParams: Erc20CreateParams, web3: Web3): any {
+  let name: string, symbol: string
+  // Generate name & symbol if not present
+  if (!ercParams.name || !ercParams.symbol) {
+    ;({ name, symbol } = generateDtName())
+  }
+
+  return {
+    templateIndex: ercParams.templateIndex,
+    strings: [ercParams.name || name, ercParams.symbol || symbol],
+    addresses: [
+      ercParams.minter,
+      ercParams.feeManager,
+      ercParams.mpFeeAddress,
+      ercParams.feeToken
+    ],
+    uints: [web3.utils.toWei(ercParams.cap), web3.utils.toWei(ercParams.feeAmount)],
+    bytess: []
+  }
+}
+
+export function getFreCreationParams(freParams: FreCreationParams, web3: Web3): any {
+  if (!freParams.allowedConsumer)
+    freParams.allowedConsumer = '0x0000000000000000000000000000000000000000'
+  const withMint = freParams.withMint ? 1 : 0
+
+  return {
+    fixedPriceAddress: freParams.fixedRateAddress,
+    addresses: [
+      freParams.baseTokenAddress,
+      freParams.owner,
+      freParams.marketFeeCollector,
+      freParams.allowedConsumer
+    ],
+    uints: [
+      freParams.baseTokenDecimals,
+      freParams.dataTokenDecimals,
+      freParams.fixedRate,
+      freParams.marketFee,
+      withMint
+    ]
+  }
+}
+
+export function getPoolCreationParams(poolParams: PoolCreationParams, web3: Web3): any {
+  return {
+    addresses: [
+      poolParams.ssContract,
+      poolParams.basetokenAddress,
+      poolParams.basetokenSender,
+      poolParams.publisherAddress,
+      poolParams.marketFeeCollector,
+      poolParams.poolTemplateAddress
+    ],
+    ssParams: [
+      web3.utils.toWei(poolParams.rate),
+      poolParams.basetokenDecimals,
+      web3.utils.toWei(poolParams.vestingAmount),
+      poolParams.vestedBlocks,
+      web3.utils.toWei(poolParams.initialBasetokenLiquidity)
+    ],
+    swapFees: [poolParams.swapFeeLiquidityProvider, poolParams.swapFeeMarketPlaceRunner]
+  }
+}