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ETH to RXS token exchange showing incorrect balance in Coinbase wallet

I exchanged ETH for RXS finance at 0.06 and 0.08. About $5200 total worth. I have just above 62000 RXS tokens showing in my Ethereum Coinbase wallet after all fees, but value balance only shows $430 ...
Easy's user avatar
  • 1
0 votes
0 answers
13 views

How to recover a tokens in base network that was sent to a non listed exchange in base network

Can anyone help? I transferred some tokens from the Metamask base network wallet to the Binance base network but later, I found that the token was not listed on Binance, and Binance customer care said ...
sumeet's user avatar
  • 1
0 votes
2 answers
26 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
  • 1
0 votes
1 answer
77 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
  • 677
2 votes
3 answers
383 views

I have an existing ERC721A smart contract deployed but how can I change public mint price and open that contract?

My team and I deployed an ERC721A smart contract months ago and we need to open that contract and change the public mint price on that which is mutable because we have done that before too but the ...
Chirag's user avatar
  • 23
1 vote
0 answers
128 views

Can’t perform transactions on my gnosis safe as I misplaced my Two other wallet information

Been a while I used my gnosis safe and now I’m trying to claim my safe airdrop and discovered I can’t find my 2 other wallet information and I’ve got access to only one out of my 3 wallets. I can’t ...
Biggunt's user avatar
  • 11
0 votes
0 answers
67 views

How can I access current time inside transfer function in ERC20 contract?

I want to create a ERC20 contract in which inside the transfer() function I would check if the msg.sender can transfer tokens. This check will be like those we have in stock markets where when someone ...
Gaurav Pant's user avatar
1 vote
0 answers
141 views

Scam wallet token recovery

How to build a code to recover the remaining coins from a hacked wallet Assume a hacker has compromised the wallet and automatically withdraws some funds how do I recover the remaining funds and there ...
Pedro Ezekiel's user avatar
0 votes
1 answer
84 views

Tracking newer ERC20 tokens in a portfolio manager type of app

Currently I'm using Blockfolio to track my portfolio of ERC20 tokens and other non-erc20 tokens that I input manually. But many times blockfolio doesn't have newer coins that are on coingecko or even ...
Patoshi パトシ's user avatar
1 vote
1 answer
359 views

Lock and unlock token smart contract

What is best way to write a smart-contract that can allow manual locking and unlocking of token specified by user without requiring transaction fee? say and escrow lock and unlock of of asset.
Csmart's user avatar
  • 11
0 votes
1 answer
111 views

How can i create a token ERC20 with a customized function

I want to create a and ERC20 token with a specially function. The question is the following: PERSON A: Create 1000 example Tokens. PERSON B: Execute a function that mint 10 of that example Tokens. Im ...
Fr4nc0's user avatar
  • 25
0 votes
0 answers
103 views

Safest way to manage my assets from a smart contract

I am working in a develop for manage all the assets of my company. Actually we are using fireblocks for have all of our asset safety. But the problem with this service is, that they do not have ...
Germán Küber's user avatar
0 votes
1 answer
3k views

How to remove Fake token contact signed

I participated in multiple airdrops and recently checked the account on etherscan which was showing multiple Coins in my wallet... I approved one of them and got some sort of "sign" pop up ...
danny's user avatar
  • 1
0 votes
0 answers
272 views

Error encoding arguments: Error: types/values length mismatch (count={"types":2,"values":5}

struct 721Data { uint tokenId; string tokenURI; LibPart.Part[] creators; LibPart.Part[] royalties; bytes[] signatures; } struct Part { address ...
Muhammad Ali's user avatar
1 vote
1 answer
2k views

Can someone help me get my funds back in my possession from a contract?

So first off, buyer beware: do not mess around with gameswap.org it appears I made a mistake in doing so. Luckily I never invest more than I can stand to lose unless I really trust the project. So not ...
Legionz's user avatar
  • 47
0 votes
0 answers
362 views

How can I create an ethereum wallet which can show many addresses balance?

I'm looking for a wallet which can scan many ethereum addresses balance,(like electrum for bitcoin). I need to import 200 (or more) eth addresses and scan their balances include their tokens(if funded)...
Hre Trader's user avatar
0 votes
1 answer
954 views

I have WETH in my ETH wallet but I can't send it

As you see, I have 1.7 WETH. When I try to withdraw, it shows me this
Tariq Almutairi's user avatar
0 votes
1 answer
883 views

why does ERC20 Token Balance shows 0 frequently?

I have a DAPP and ERC20 Token which has an initial supply of 9000 for testing purpose..First step is to login/register into the DAPP where all the information resides..There is an element in the DAPP ...
Yash's user avatar
  • 11
0 votes
1 answer
328 views

Can not Open Ethereum Wallet on Window 10

I did trying install soft Ethereum wallet on windows 10, But I can't open the program. It looks like the picture below. Help me pls, Thank everyone.
Blackberry 's user avatar
0 votes
1 answer
96 views

how to create an address or wallet in several tokens

Hello community I am using nodejs and web3, I would like to know if it is possible to create an address in each token and then bring the corresponding balance of each token
Edinson CS's user avatar
1 vote
1 answer
101 views

Receiving error while getting state variable value after using selfdestruct method "Error: Returned values aren't valid, did it run Out of Gas?"

I am using selfdestruct method and passing the payable address to it but receiving the following error when trying to get the value of a state variable : "Error: Returned values aren't valid, did it ...
Shubham Pal's user avatar
0 votes
2 answers
234 views

What triggers a transaction to be recorded on the Blockchain?

I am new to blockchain development. I am trying to understand where, when, and how a transaction is sent to the blockchain to be recorded. Here is the sample code I am studying: pragma solidity ^0.4....
Walter M's user avatar
  • 101
0 votes
1 answer
153 views

Create multiple tokens for a unique property

here is the idea: we assign a set of unique tokens to a company and then we allow people to buy some tokens and get partial ownership of that company. How can I achieve this? I was thinking of ...
SSS's user avatar
  • 11
0 votes
1 answer
503 views

Create custom mobile wallet for my two ERC20 Tokens

I have two ERC20 tokens that I created on Ethereum. I would like to know if it is possible for me to create a mobile application that will allow my users to check their balance (for tokens) and ...
Samaritain Sims's user avatar
0 votes
1 answer
525 views

Ethereum Smart Contract with Custom Fee and Percentage of the collected Fee Distrusted token holder

I wanted to know is there a possibility to create a smart contract for a token wherein the transaction fee could be overridden with the network fee and the fee collected on the transaction can be ...
Nitin Jagtiani's user avatar
0 votes
1 answer
111 views

Mineable Tokens? Is it possible? If so, how can I make one? [duplicate]

Just wondering if you could make a ethereum token that is mineable. I saw this link, but don't really know about it and i dont know anything about solidity. Can someone please help me? Thanks, ...
Crypthusiast's user avatar
0 votes
1 answer
38 views

Error creating contracts on Ethereum wallet. Need help [duplicate]

I am trying to create an ERC20 token off of ethereum, but when I put the code in the editor in the ethereum wallet, I get a weird error. It says: "throw" is deprecated in favour of "revert()", "...
Crypthusiast's user avatar
1 vote
2 answers
458 views

Can security tokens (ST-20) and utility tokens (ERC-20) exists on same blockchain?

I am trying to build a dApp in which the functionalities of the dApp can be accessed by utility token but in the same app I wish to tokenize the securities as well. Can my utility tokens and the ...
Prateek's user avatar
  • 13
0 votes
1 answer
60 views

The Token sale contract is returning an exception everytime. Tested on ropsten and there it is working fine

The below is the code for The token: pragma solidity ^0.4.16; interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; }...
Deependra singh's user avatar
2 votes
1 answer
160 views

Can't use constructor() when deploying a contract from ethereum wallet

Take the following code: pragma solidity 0.4.24; contract TestCoin { mapping(address => uint256) public balanceOf; uint256 public totalSupply; constructor(uint256 initialSupply) ...
Dean Brown's user avatar
1 vote
1 answer
755 views

Transfer data using solidity transfer function

Can we use transfer function in solidity to transfer the data? My code _dest.transfer(txn.value)(txn.data); and it is showing the error that this type is not callable.
user41280's user avatar
1 vote
1 answer
84 views

Transaction fees in ethereum [duplicate]

I have created an ERC20 token, but whenever I want to trnasfer it, transaction fees is deducted in ethers. But I donot want to but ethers. Cant the fee be deducted in terms of my custom token? Thanks
Arshima's user avatar
  • 103
2 votes
1 answer
2k views

What is a Erc20 (UBT) token I received in my wallet according to EtherScan?

I look in my EtherScan and it says that 5 days ago and 10 in value I received a token called Erc20(UBT) and I click on it, it's a Universal Bonus Token that came from an address = 0x00000000000... ...
Michael's user avatar
  • 31
0 votes
1 answer
95 views

Can ERC-20 Token be attained/transfered based on actions?

I had a quick question about an abnormal ways to buy ERC-20 Tokens and hear if this is technically possible. Let's assume there is a smart contract that generates and holds ERC-20Token called '...
Harris Lee's user avatar
4 votes
2 answers
5k views

Solidity Help - Undeclared Identifier - onlyOwner WithdrawEther

I'm new to Solidity and attempting to add a withdraw ether function for my contract which enables me to release funds the parent contract account, but the compiler (remix) keeps on giving me an ...
Dr Brule's user avatar
1 vote
1 answer
100 views

Incorrect Values for total supply/distributed amount

I am working on releasing a token on Eth and have been tinkering with some code to allow the token to be claimed via people sending 0 eth to the contract address. So far I have managed to implement ...
MakingStuffs's user avatar
-1 votes
1 answer
56 views

What are the conditions in a smart contract of an ICO [closed]

my question may be wrong, hope people understand i basically want to know what do people mean by "smart contracts" for ICO
Shaun Ferns's user avatar
1 vote
2 answers
84 views

Compile errror in remix doesn't make the thing clear

Doing lesson 5 from here how to write smart-contract, lesson 5 I got compile error in remix. It goes: browser/ballot.sol:40:2: ParserError: Expected pragma, import directive or contract/...
Kristina's user avatar
  • 145
1 vote
2 answers
928 views

How can I set gas and/or gasPrice on a Token Contract ?

I copied this token contract from Ethereum.org, and after deploy to Rinkeby, I could not buy tokens. I really do not know why, but I think that's because I did not set the gas on contract. is there ...
Macgyver Martins's user avatar
1 vote
1 answer
1k views

Where else can I get Rinkeby Ether apart from faucet.rinkeby.io/

I have been trying to get rinkeby ether from faucet.rinkeby.io/ but couldn't. Any alternative?
Antonio Francesco's user avatar
0 votes
2 answers
403 views

How can I use token functions of an ERC20 token bought in a crowdsale in Ethereum Wallet?

I am using Rinkeby in Ethereum Wallet and have created a crowdsale contract which created ERC20 tokens, assigned the crowdsale as the owner and then sold them to addresses which bought them using the ...
John Murphy's user avatar
0 votes
1 answer
204 views

Why are token purchases on Rinkeby test net showing up on etherscan but the tokens not showing up in Ethereum Wallet?

The Ethereum Wallet is synced to the network, and it is the most up to date version. But the address that was the beneficiary of the tokens when purchased does not have any tokens in the account on ...
John Murphy's user avatar
0 votes
1 answer
47 views

problem with sending token

I always having issue with sending token. when I send token even transaction get confirm, the token remain in my wallet and I lost only ether on fees! what wrong with ethereum!
Alex Marcino's user avatar
0 votes
0 answers
81 views

API for tokensvalue

I was wondering if there is any API service for getting info about tokens on an ethereum wallet, I found https://ethplorer.io/, but unfortunately with that service there is no possibility to get ...
ndreuccio's user avatar
0 votes
1 answer
47 views

External purchase of tokens

I have a problem with development of the smart-contract for ICO: i need to implement accounting of tokens, which will be sold outside the smart-contract (e.g. if somebody bye tokens with other crypto-...
Arthauze's user avatar
0 votes
1 answer
85 views

How to customize/modify the default startup url in Mist brwoser for ERC20 tokens on Ethereum?

Hi I am making an ICO wallet. I know Mist browser(https://github.com/ethereum/mist) has a lightweight version coming up soon and ConsenSys(https://github.com/ConsenSys/eth-lightwallet) has one, but I ...
Russo's user avatar
  • 1,814
2 votes
1 answer
894 views

In an Ethereum smart contract, can I check the balance of other ERC20 tokens from the sending address of a recieved transaction?

I'm currently designing a smart contract, where I'd basically like to incorporate a "coupon" like relationship between two different coins. Bob can send the smart contract CoinA, and receive CoinB as ...
Ariel Deschapell's user avatar
0 votes
3 answers
598 views

Required api's for crypto token wallet

I am creating the api server for creating the interaction with crypto token smart contract , i want to know the required api's through which i can perform basic functionality of sending and receiving ...
Satyam Agrawal's user avatar
0 votes
1 answer
174 views

Trying to understand token creation in Ethereum

I am looking at Tenx token on the ethereum platform: https://etherscan.io/token/TenXPay Here's what I understand, total supply - 205,218,255.9485 Now when I go to: coinmarketcap.com/assets/tenx/ ...
Nona Shah's user avatar
1 vote
1 answer
534 views

Getting error while creating a contract using token

I am very new into this, while following this guide. Ethereum Token I am getting error. pragma solidity ^0.4.8; contract tokenRecipient { function receiveApproval(address _from, uint256 _value, ...
Elina Mohanty's user avatar