From 28679089ea8349d4acaa02ba71ff746cfed4fc47 Mon Sep 17 00:00:00 2001
From: Ivanov N <nik@tmails.net>
Date: Thu, 26 Dec 2024 18:44:53 +0300
Subject: [PATCH] fix: bug kly amount more than n characters

---
 src/components/SendFundsForm.vue |  9 +++++-
 src/lib/klayr/klayr-utils.ts     | 53 +++++++++++++++++---------------
 2 files changed, 37 insertions(+), 25 deletions(-)

diff --git a/src/components/SendFundsForm.vue b/src/components/SendFundsForm.vue
index bd624e61e..32382795b 100644
--- a/src/components/SendFundsForm.vue
+++ b/src/components/SendFundsForm.vue
@@ -527,7 +527,14 @@ export default {
           () =>
             isErc20(this.currency)
               ? this.ethBalance >= this.transferFee || this.$t('transfer.error_not_enough_eth_fee')
-              : true
+              : true,
+          (v) => {
+            const isKlyTransfer = this.currency === Cryptos.KLY
+            if (!isKlyTransfer) return true
+            const MAX_UINT64 = BigInt('18446744073709551615')
+            const isKlyTransferAllowed = isKlyTransfer && this.transferFee && v < MAX_UINT64
+            return isKlyTransferAllowed || this.$t('transfer.error_incorrect_amount')
+          }
         ]
       }
     },
diff --git a/src/lib/klayr/klayr-utils.ts b/src/lib/klayr/klayr-utils.ts
index 8f4a521a9..05f7eccbf 100644
--- a/src/lib/klayr/klayr-utils.ts
+++ b/src/lib/klayr/klayr-utils.ts
@@ -232,32 +232,37 @@ type EstimateFeeParams = {
  * @param params Transaction params
  */
 export function estimateFee(params?: EstimateFeeParams) {
-  const {
-    amount = '1',
-    keyPair = KLY_DEMO_ACCOUNT.keyPair,
-    recipientAddress = KLY_DEMO_ACCOUNT.address,
-    data = '',
-    nonce = 0,
-    isNewAccount
-  } = params || {}
+  try {
+    const {
+      amount = '1',
+      keyPair = KLY_DEMO_ACCOUNT.keyPair,
+      recipientAddress = KLY_DEMO_ACCOUNT.address,
+      data = '',
+      nonce = 0,
+      isNewAccount
+    } = params || {}
 
-  const transaction = createTransaction(
-    {
-      publicKey: Buffer.from(keyPair.publicKey, 'hex'),
-      secretKey: Buffer.from(keyPair.secretKey, 'hex')
-    },
-    recipientAddress,
-    amount,
-    1,
-    nonce,
-    data
-  )
-  const transactionBytes = hexToBytes(transaction.hex)
+    const transaction = createTransaction(
+      {
+        publicKey: Buffer.from(keyPair.publicKey, 'hex'),
+        secretKey: Buffer.from(keyPair.secretKey, 'hex')
+      },
+      recipientAddress,
+      amount,
+      1,
+      nonce,
+      data
+    )
+    const transactionBytes = hexToBytes(transaction.hex)
 
-  const fee = BigInt(transactionBytes.length) * KLY_MIN_FEE_PER_BYTE
-  const transferToNewAccountFee = isNewAccount ? KLY_TRANSFER_TO_NEW_ACCOUNT_FEE : BigInt(0)
+    const fee = BigInt(transactionBytes.length) * KLY_MIN_FEE_PER_BYTE
+    const transferToNewAccountFee = isNewAccount ? KLY_TRANSFER_TO_NEW_ACCOUNT_FEE : BigInt(0)
 
-  const totalFee = fee + transferToNewAccountFee
+    const totalFee = fee + transferToNewAccountFee
 
-  return convertBeddowsTokly(totalFee.toString())
+    return convertBeddowsTokly(totalFee.toString())
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  } catch (err) {
+    return 0
+  }
 }