Questions tagged [ethereum-wallet-dapp]

Tag for the questions related to the deployment of the contracts using Ethereum wallet.

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Uncaught runtime errors:

ERROR Cannot read properties of undefined (reading 'methods') TypeError: Cannot read properties of undefined (reading 'methods') at App.createProduct (http://localhost:3000/static/js/bundle.js:9909:28)...
user128853's user avatar
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WETH not reflected on my COINS PH WALLET [duplicate]

Coins ph supported ETH (ERC20) and i thought my WETH TOKEN from my ronin wallet is the same as ETH that's why i transferred it but unfortunately i haven't received it yet, it almost 10hrs pas. Is ...
Omar's user avatar
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"Params specify an EIP-1559 transaction but the current network does not support EIP-1559"

I am working on a decentralized application project. Whenever I am trying to do any write operation on smart contract from my react application I am getting this error. Smart Contract is fine, fully ...
Shekh Shihab Uddin's user avatar
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1 answer
22 views

Consolidate multiple Ethereum accounts

I have multiple Ethereum accounts with pretty small amount of Ether, like equivalent of $20…$50 Is it possible to consolidate all wallets and/or transfer the all coins to a single wallet in Ethereum ...
Xytrax's user avatar
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1 answer
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"eth_estimateGas" throws execution reverted error

I was trying to use eth_estimateGas but It throws execution reverted, The error doesn't indicate anything. This is my code : final gas = await _web3Client.estimateGas( sender: sender, ...
Reza Aslejeddian's user avatar
1 vote
1 answer
37 views

Metamask getBalance method doesnt work

When I wanted show my eth balance in my web site it gives me this "0x103cf17cc1518eb4" how can i turn into string?
seojunchian's user avatar
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1 answer
23 views

Stuck in Smart Contract

I paid the fees on ethereum for item but received nothing what can I do for this? I think there is an error in smart contract please check for me my address is ...
Muhammad's user avatar
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2 answers
23 views

New Account with no transaction

I'm working with my metamask wallet to interact with my DApp. While reading about data in Ethereum, I read that the blocks in the chain do not store any account information. It will have only ...
Valli Nayaki's user avatar
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1 answer
62 views

Display token balance of test tokens

I am working on a React-Native crypto application for fun, and I am trying to show the test tokens that I have inside my metamask wallet to display on my app to display the token balances. I have ...
Scott's user avatar
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0 answers
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How to Implement User Account Switching in a Mobile DApp without Hardcod Wallet Private Keys?

I'm currently developing a mobile decentralized application (DApp) and I've had to hardcode the private key of the wallet to sign transactions. However, I'm facing a challenge when it comes to ...
kaustubh sharma's user avatar
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2 answers
58 views

Error Handling in Solidity Using Custom Errors with Web3js

In many posts, I've noticed discussions about handling this using the Ethers library. However, my implementation is based on Web3.js, and I'm facing a challenge. My contract is set to revert a ...
nunurao's user avatar
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1 answer
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ERC721: invalid token ID"

I'm minting an NFT and listed it on my NFTMarketplace, after minting I keep getting ERC721: invalid token ID, whenever I try to create the sale on the market place. this is my nft code // SPDX-...
Santos's user avatar
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1 answer
27 views

Dose contracts must be deployed?

I see js programmers compile and call solidity contract without actually deploying it using hardhat and/or similar tools. Do they really can use the contract without deploying on the chain(like swap ...
Biruk Damte's user avatar
1 vote
2 answers
71 views

Error: VM Exception while processing transaction: reverted with reason string '12'

I'm getting an error like: Got 20000000000000000 WETH. Approved! Depositing... Deposited! You have 20000000000000000 worth of ETH deposited. Yoy have 0 worth of ETH borrowed. You can borrow ...
manu sharma's user avatar
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1 answer
63 views

1Inch with flashloan provider

Is there a way to trade on 1Inch using the API and flash-loaned balance. If it is possible please give me some info. I was seeing the DOC to find how to integrate the flash-loan provider with 1Inch ...
Biruk Damte's user avatar
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1 answer
101 views

TypeError: Cannot read properties of undefined (reading 'match')

I'm new to Solidity and ether js. I'm stuck with error below in VSCode. Can anybody help explain what this error means and advise how to fix this? Thank you so much! ERROR BELOW: (node:5884) ...
David Blake's user avatar
2 votes
1 answer
148 views

Why Ethereum addresses contain lowercase and uppercase letters

Take my address for example : 0xc9d7b2e7fb30613cf0303438e739ff0aa7c856ef You can see all of the alphabet letters are small case . But when I search this address in polygon mumbai for example , I get ...
Gaurav Pant's user avatar
3 votes
1 answer
52 views

Smart Contract/Nextjs Error: Returned values aren't valid, did it run Out of Gas?

I'm having an error while calling one of the function of the deployed contract from Next.js Error: Parameter decoding error: Returned values aren't valid, did it run Out of Gas? You might also see ...
Mohsin's user avatar
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1 answer
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getAmountsOut and sushiswap user interface shows different result

Hello eth communities.. I am trying to interact with ethereum chain using programming and I'm using getAmountsOut to get swap path quote using sushiswap's contract. But the result in my vscode and ...
Biruk Damte's user avatar
0 votes
3 answers
77 views

fallback and receive function on WETH

Does a contract that works with Wrapped Ether(WETH) require a fallback or receive functions? Let say I send WETH to a smart contract with/without fallback functions, what will happen?
anonauditor's user avatar
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2 answers
18 views

What are the standard solutions to enable new users to interact with a DApp contract for free without gas fees?

I'm developing a decentralized application (Dapp) where new users receive a free NFT upon registration. I want to allow these users to list their NFTs for sale without requiring them to have any ...
kat N's user avatar
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1 vote
1 answer
36 views

Building Cryptocurrency Tracking system for monitoring stolen cryptocurrency transactions

When hackers steal tokens from an account, what they generally do is divert the flow of tokens via multiple proxy accounts making it complicated for the cyber-forensics department to track final ...
Rohit Jambhulkar's user avatar
1 vote
0 answers
102 views

Pancake swap hack

I have been recently victim of a pancake swap by buying some custom token. My Ledger and my Metamask were connected to pancake swap while i tried for the 1st time a Crypto Pump found on Telegram (a ...
soleshoe's user avatar
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2 votes
2 answers
31 views

How to Reduce Wallet Prompts for Enhanced User Experience in a Blockchain Gaming dApp?

I am developing a gaming dApp on the Ethereum network and aim to optimize the user experience, particularly in interactions with the blockchain. A major challenge is the frequent Metamask prompts ...
blockchaineng's user avatar
1 vote
0 answers
63 views

Uniswapv2 "quote" ABI

I am trying to sign contractof Uniswapv2 on ethereum mainnet using "quote" ABI. the function is quote(uint amountA, uint reserveA, uint reserveB) I use c++ to make the raw transaction and ...
Biruk Damte's user avatar
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0 answers
28 views

Connect & interact with dApp without wallet connection

I have a question regarding the issues I am facing on my current project. I am building NFT marketplace on the Polygon network. The specific requirement is we should allow the users can interact with ...
legendary's user avatar
4 votes
1 answer
149 views

How to sign message EIP-712 with whitespace in name?

I have a message need to sign like below message = { "types": { 'EIP712Domain': [{ 'name': "name", 'type': "string" ...
Mike's user avatar
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High fee uniswap liquid add for my new erc20 token

Uniswap.Today I tried to add liquidity to my new ERC20 token, I chose a pair, set up a range, clicked add and I was asked for 0.2 ether gas fee, which is almost $350, why so much? And will liquidity ...
Peter's user avatar
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2 answers
27 views

What is the purpose of the constructor?

contract Constructor { string public name; // I thought constructor will prevent the name to change but after deployed the contract, calling the function resulted in changing the name????? ...
Majed Alshaikhi's user avatar
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0 answers
10 views

I got Session proposal trying to log in to Opensea: Events: chainChanged, accountsChanged

Would really appreciate your help. Is that a scam? I cannot log in without resolving the wallet Session proposal. So far i have denied request several times. What happens is i Approve? NetworkEthereum ...
Homm3's user avatar
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1 answer
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Someone has defrauded me using this contract. What should i do to get my money back?

/** *Submitted for verification at Etherscan.io on 2023-06-22 */ // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /**...
Hamid Shervin's user avatar
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1 answer
73 views

Not able to install rainbow kit

How to deal with these errors to install and integrate wallets
JIMIT THAKKAR's user avatar
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0 answers
21 views

How to Un-flatten a smart contract in Solidity?

how to un-flatten this smart contract? https://etherscan.io/address/0x789e35a999c443fe6089544056f728239b8ffee7#code
asd youa's user avatar
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0 answers
21 views

Safe-CLI not working on BSC

I have a contract wallet created by 1.1.1 manually on BSC. It seems the only way to interact with it is through SAFE-CLI (Command Line Interface). However, I find the CLI package seems down on BSC ...
Bane Zhang's user avatar
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0 answers
13 views

Lost ETH, can't work out what wallet was used to store it

I bought some Ethereum on behalf of my parents in 2017. I think we decided to store the currency on my Ledger Live but on a different address. I have the password for every wallet I've ever created by ...
Declan Kirk's user avatar
0 votes
1 answer
343 views

What are Ethereum Genesis transactions?

I recently came across these transactions on Ethereum that don't have a typical transaction hash. They are sent by a wallet named "GENESIS," which is not associated with any specific address ...
0xWenMoon's user avatar
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1 answer
8 views

Can user buy NFT without external wallet

This is a client request I got. The client is having a platform where he sells NFTs as tickets for events. The client needs all users to have a internal wallet that is within the application so that ...
gauthami vijay's user avatar
1 vote
1 answer
54 views

State variable not returning value when the contract is deployed into sepolia test network

The manager state variable captures the value of account that deploys the contract on the network. When deploying the contract on Ganache and calling ContractName.methods.manager().call(), it returns ...
Rakshith's user avatar
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0 answers
32 views

Newbie to hardhat, I am able to make transactions to smart contract but when I return a data it complains: Calling an account which is not a contract

I am a complete newbie in hardhat, web3 and smart contracts. I wrote a simple sol file: // SPDX-License-Identifier: MIT pragma solidity ^0.8.18; contract CreatorRegistry { struct Creator { ...
Shivam Sahil's user avatar
0 votes
1 answer
11 views

Why Cic testnet transaction cost is high?

I was testing my smart contract on cic testnet but the transaction cost for a simple transaction like updating the string was asked for 65 cict how to resolve this issue?
Anwar's user avatar
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1 vote
1 answer
39 views

View Function Error in Ethers js

I Use ethersjs Cdn when i call getCounter Function in my SmartContract it return me transaction object not give me counter value. View Function not give me value it give me transaction object async ...
adil-techcode's user avatar
1 vote
1 answer
328 views

taking too long time to sync Ethereum Full Node

I'm trying to sync full node for ethereum by using Vultr service. I borrowed VPS from Vultr service and I try to sync to it but after 3 days, it's still working. It takes too long time. At first, ...
Kevin Lee's user avatar
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0 answers
9 views

How to create provance hash for NFTs

i am working on the NFT project where i need to implement the provance hash. but i am unable sure from where is should start. like it is doen through smart contracts are from JS Libraries or node js ...
Umar Raza's user avatar
0 votes
2 answers
72 views

How to check the life of the wallet address?

I want to know if there is a way to check how long ago is the wallet created? like 2 days ago, 6 months ago? Is there a way we can check?
Fariha Abbasi's user avatar
0 votes
1 answer
33 views

Can i transfer token to a account for next 180 days automatically without any further interaction with function using for loop?

I have written a function to lock some amount of tokens. If user lock tokens then by calling this function then token will be locked for 180 days. One of the important logic I wanted to implement is I ...
Hacek 's user avatar
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1 vote
0 answers
316 views

wallet connect button integration using web3Modal

I'm trying to integrate wallet connect to my dApp using web3modal. Link to the docs -> https://docs.walletconnect.com/2.0/web3modal/react/installation The dApp is about token swapping. When I try ...
Bhavishyag2's user avatar
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1 answer
33 views

Is there any way to interact with current status of a deployed contract from another smart contract?

Suppose a contract,which is working with ERC20, lets call it contract-1, is already deployed onchain and functioning properly in real world. I want to add some functionality in it. But as we know ...
Hacek 's user avatar
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0 answers
34 views

'Execution Reverts' when sending ERC-20 token on Swift

When I run this method in Swift, the transaction fails. And I get the following error in Polygon Scan Mumbai: Warning! Error encountered during contract execution [execution reverted]. When I print ...
Karthik's user avatar
1 vote
0 answers
33 views

Polygon Top addresses Polygon chain vs Ethereum chain

If I check Polygon top addresses on Polygon chain, I see the following list on https://polygonscan.com/accounts. With top1 address 0x0000000000000000000000000000000000001010 containing 9,070,304,832....
mindaugasj's user avatar
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0 answers
133 views

How i can install eth infinitism bundler locally to my system

i am new to learning account abstraction which is defined in ERC-4337. i had found the following repo on the github which is the implementation of bundler from the original authors of ERC-4337. https:/...
Umar Raza's user avatar

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