From b3102c78c12349d78d9118ae587080c00a8aa141 Mon Sep 17 00:00:00 2001
From: "Miquel A. Cabot" <miquel.cabot@gmail.com>
Date: Fri, 27 May 2022 10:55:12 +0200
Subject: [PATCH] add decimals() function

---
 src/utils/ContractUtils.ts |  1 +
 src/utils/TokenUtils.ts    | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/src/utils/ContractUtils.ts b/src/utils/ContractUtils.ts
index 17066603..94012c76 100644
--- a/src/utils/ContractUtils.ts
+++ b/src/utils/ContractUtils.ts
@@ -117,6 +117,7 @@ export async function getPoolCreationParams(
     ]
   }
 }
+
 export async function unitsToAmount(
   web3: Web3,
   token: string,
diff --git a/src/utils/TokenUtils.ts b/src/utils/TokenUtils.ts
index c8008c3f..a22a5e0c 100644
--- a/src/utils/TokenUtils.ts
+++ b/src/utils/TokenUtils.ts
@@ -183,3 +183,14 @@ export async function balance(
 
   return await unitsToAmount(web3, tokenAddress, trxReceipt, tokenDecimals)
 }
+
+/**
+ * Get decimals for any erc20
+ * @param {Web3} web3
+ * @param {String} tokenAdress
+ * @return {Promise<number>} Number of decimals of the token
+ */
+export async function decimals(web3: Web3, tokenAddress: string): Promise<number> {
+  const tokenContract = new web3.eth.Contract(minAbi, tokenAddress)
+  return await tokenContract.methods.decimals().call()
+}