Questions tagged [balances]

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8 views

Multiply ray with wad to get wad

What's the correct way to multiply a number in ray (1e27) with a number in wad (1e18) to get the result in wad? E.g., I have an interest rate [ray] and a balance [wad] that I am multiplying to get a ...
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1answer
12 views

Getting current user balance of an aToken for a specific asset in AAVE v2 protocol

As AAVE protocol V2 documentation says: aTokens are interest-bearing tokens that are minted and burned upon deposit and withdraw. The aTokens' value is pegged to the value of the corresponding ...
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19 views

Able to Produce Blocks but Still Balance is Zero

Kindly find the following results below from my Mac Terminal: miner.start(1) --> null miner.stop() --> null eth.getBalance(eth.accounts[0]) --> 350000000000000000000 eth.syncing --> ...
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Able to Import my Account from Geth to MetaMask but No Balance Shown

I'm able to mined to my Accounts in Geth and have successfully imported to MetaMask. Problem, is in my Geth Console, I have the balance of the Mined Accounts but after imported to MetaMask, the ...
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1answer
22 views

How to store the balance in a variable when running on client-side?

Context I am learning web3 after having written some smart contracts on the Ropsten and Kovan test networks. I'm trying to simply read the balance of an address and store it in a variable, in order to ...
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1answer
35 views

How to have the contract check if the msg.sender currently owns a specific token. (erc721)

Assuming I have a contract to mint my own NFTs: (I'm thinking ERC-721, but not necessarily). I want to create another smart contract that before doing anything, verifies that the address interacting ...
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1answer
19 views

how to fetch net worth of a given address?

Take this whale wallet for example: https://etherscan.io/tokenholdings?a=0xa929022c9107643515f5c777ce9a910f0d1e490c If you look at the top right, it says Value in USD. Is there any any API that can ...
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1answer
16 views

How can I ensure a player matches another player's bet?

First, I want someone to send a bet (money) to the contract. Then I want someone to match the original bet. (There are many more safety checks in the contract. I just removed them to keep this as ...
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16 views

Get balance in fast node by Geth

Is it possible to get account Balance in fast node with Geth ? and what is the size of fast node currently?
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1answer
141 views

Swap error balancer.exchange

I am using balancer.exchange to swap Dai for xHDX. It says the swap was successful but did not swap. I still have my Dai and did not get the xHDX. https://etherscan.io/tx/...
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16 views

How to properly close web3 after execution? - Java

Here is what I am trying to do: String amt = Web3j.build(new HttpService("https://ropsten.infura.io/v3/123blahblah")) .ethGetBalance("0xblahblah", DefaultBlockParameterName.LATEST) ...
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Ganache does not update account balance after contract deploying

I work with Ganache and nodeJS. Whenever i effort to deploy my contract with JavaScript the related block is mined, that demonstrate the given contract is deployed, but the balance of the sender ...
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2answers
70 views

Etherscan API Get Balance - Decimals Not Showing In Response

Expected Use the Etherscan API to make a GET request for an ETH address' balance in order to receive a response providing the Ether token quantity representing all decimal places. Observed The ...
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2answers
54 views

Best way to check balance? msg.sender.balance vs balances[msg.sender]

If I want to check if the payer has enough funds, should I use... msg.sender.balance or balances[msg.sender] ? I also see that people usually check balance in the following way: require((balances[...
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1answer
26 views

Discrepancy between Etherscan.io and Google Big Query information

I noticed that there are large discrepancies between the balances of addresses in Etherscan vs Google Big Query. Also some addresses that are listed in Etherscan are not existing in the balances table ...
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1answer
24 views

Query token balance before transferFrom

I am trying, but without luck, to query the token balance of the approver address before transferFrom event. function transferFrom(IERC20Token _token, address _sender, address _receiver) external ...
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20 views

Why is my ether balance 0 in geth after complete sync

I setup geth on clouding server 2 weeks ago and it was synchronized already. And I deposit some eth to my account. By Etherscan, I can see my balance but web3.eth.getBalance always return 0. I create ...
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1answer
66 views

pre_sending Ether

I recently read an article about pre-sending Ether to a not deployed smart contract from hashing the knowned EOA address plus the nonce of it. Could somebody please tell me how is this possible? ...
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1answer
282 views

Find an ethereum address with a given balance of an ERC-20 token

I know it is easy to lookup the token balance of a particular Ethereum address (e.g. etherscan or via code such as this stackexchange question). If I want to find a wallet with a particular ERC-20 ...
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1answer
182 views

Get ERC20 balance of token holder as of block number with C# Nethereum and Infura

When this code runs, it throws an error "RpcResponseException: header not found", and I don't understand why or how to fix it. Any advice? Notes: I am using Nethereum in C#.net and using ...
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1answer
2k views

How to get ETH contract balance with Ethers.js

I am trying to get the ETH balance of a contract: const balance = await contract.getBalance(); but it fails: TypeError: contract.getBalance is not a function What I do wrong and how to fix the error?...
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1answer
145 views

Best practice for fetching ERC20 token balances for a given address

Are there any best practices to fetching all ERC20 token balances for a given address? I am open to using external APIs.
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1answer
20 views

How much Ether does a Smart Contract Address hold before a Payable Instantiation?

The following code always reverts to "Contract must be empty". But shouldn't address(this).balance == 0 if the contract hasn't even been instantiated yet? Maybe since the contract doesn't ...
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53 views

BlockNumber stuck on 0 while a private network node is looking for peers

I'm extremely new to Blockchain and mining, and I've followed this tutorial to create my first private blockchain. I am stuck when it comes to mining and I'm afraid I'm quite lost. Afte I've started ...
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1answer
2k views

Problem loading token balances [solved]

I have a contract with the decimals hardcoded to 8 // Hardcoded to be a constant uint8 public constant decimals = 8; I think this is the reason Im having problems with wallets and explorer ...
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1answer
538 views

While testing wrap & unwrap of ETH to WETH on Kovan ,however the wrap function is fine but unwrap func fails,is anything wrong in my approach?

trx fails at & debug at tenderly pragma solidity 0.5.12; contract WETH9_ { mapping (address => uint) public balanceOf; mapping (address => mapping (address => ...
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178 views

Ethereum noob. Internal TX not reflecting in balance on metamask. “bad jump destination” error. Going crazy

New to the Ethereum environment. Using metamask, I initiated three transfers of STA for ETH. The STA was deduced from my wallet, however the ETH I was to get in return is not showing. The only new ...
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1answer
30 views

How to make my contract balance as private in Ethereum?

Suppose there are two contracts, A and B. Obviously, balance of A is public and B can read it with address_of_A.balance. Is there a way to make balance of A as a private data and B can't read it with ...
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1answer
44 views

Problem: Payment between smart contracts without reducing the balance of the sender contract

I work on Truffle. I have two smart contracts A and B. Codes of them are same. A should transfer some ether to B and store some information about this payment. I funded A with METAMASK. But, whenever ...
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1answer
102 views

Withdraw balance from external contract in Solidity 0.6

Getting two errors with the following code. abstract contract ReceiveBalanceContract is Ownable { receive() external payable { require(msg.sender == address(SendBalanceContract)); } ...
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53 views

ERC20 balance Storage Address key - how to tell which key belongs to which wallet address

I am trying to derive changes of account storage by mapping accounts (here, the accounts represent the key address in the ERC20 balances mapping mapping(address => uint256)) to their corresponding ...
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606 views

ERC20 Token balance isn't showing up in metamask [closed]

I'm making an ERC20 Token using OpenZeppelin, and I keep running into the same issue. My balance shows up in remix when I call "balanceOf," however, when I add the coin to my metamask wallet, it shows ...
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2answers
76 views

Accessing Ethereum network via JSON RPC from wallet balance/transactions

sorry if the question is silly.... I am tying to build a simple app that checks ETH wallet addresses balances and transactions (for both ETH and Tokens). As far as my knowledge goes, I think that I ...
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1answer
288 views

ETH internal transaction means i received money and it became part of my wallet balance?

When someone send a money and it is shown within internal transactions like here, then does it mean this money was added to my wallet balance and available for withdrawal same as "normal" transactions ...
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1answer
88 views

ERC 20 - very large balance created on a wallet

I deployed an ERC20 at this address: 0x60c56fb23dc18c719491759b6c40cd46e502fcbd One of the addresses I own got a huge balance (more then the token supply) couple of days back. The address is: ...
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1answer
187 views

Why Etherscan is reporting negative token balances?

I am wondering if its possible a holder to have negative balances as reported by Etherscan. Bellow are the links for the cases that I spotted: KICK token holder ...
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1answer
168 views

How can I query an API to get my erc20 token balance of an address in JSON format?

Is there an api where I can query if an address contains an erc20 token? I need it returned in JSON format.
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1answer
107 views

How to handle an ERC20 token which does not return true/false at the end of transfer/transferFrom

The ERC20 Token Standard dictates that functions transfer and transferFrom should return true for success and false for failure. However, various ERC20 tokens deployed on the network have not ...
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1answer
897 views

Total metamask balance

I am curious how to get the total current balance of my metamask wallet with as many "accounts" inside it as it bears in the moment? As I can understand metamask is the HD wallet and all my addresses ...
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1answer
37 views

ETC - Negative Balance

So playing around with ETC and wondering how in the world this address doesn't have a negative balance? https://gastracker.io/addr/0x6f1f8a70e2257354e81c306f130f7976dead8e8b First transactions are ...
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2answers
278 views

I want the full list of ethereum smart‑contracts whose balances increased by 1000 Ethers above the past week

How to make this kind of query using my 200kb/s second Internet connection speed ? With such speed, there’s no possibility to run an archival node (except maybe with a service allowing to download ...
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1answer
65 views

Why Ethereum sets user balance to MaxBig256 whenever a contract query is performed?

There is a strange behaviour on user wallet balances when performing a contract call (that is supposed to have no cost). Balance is right (expected value) until a free call is requested to a contract. ...
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1answer
122 views

How to get top 5 token holders?

I want to keep a track of top 5 token holders inside the contract in terms of their token balances, is there any efficient way to do that in solidity?
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1answer
49 views

Web3 balance is showing OmiseGo balance but not Bitball

You can see on Etherscan that I have 2 types of tokens in my wallet: https://etherscan.io/address/0xb8fd65fc6919c5b97453eaba6b895144597985b2#tokentxns 2.3 OmiseGo and 10,000 Bitball I have a short ...
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1answer
47 views

Return values after verifying an account balance on private network

When i verify the balance of an account after deploing an ERC20 token, i receive this returns: BN { negative: 0, words: [ 50, <1 empty item> ], length: 1, red: null } I know that "50" is the ...
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1answer
651 views

Etherscan api for Ropsten testnet

I found this endpoint is to obtain the token balance from Ethereum blockchain, however, I noticed that this function doesn't work on Rospten network. Please advise https://api.etherscan.io/api?module=...
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32 views

Geth returning balance 0 [duplicate]

I started my geth using fast sync first and then normal sync once it was almost synced. 'currentBlock' is not increasing since hour and 'highestBlock' keep on increasing. geth --testnet --rpc --cache=...
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2answers
2k views

Infura Request Limitations

Are there any official information about request limitations? I know for example that there is a limit for the amount of results in getLogs: https://infura.io/docs/ethereum/json-rpc/eth_getLogs ...
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1answer
132 views

How to get notification right after account has received eth by geth?

My server stores many accounts. How do i know when and what account has received eth or i have to check them manually one by one by looping many address to check the balance? account := common....
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1answer
822 views

How to check balance of a smart contract in Remix IDE Javascript VM?

I'm working on a smart contract that can hold some ETH. Currently, I'm unable to see what is its balance in the Remix IDE. I'm trying to use the console: I have access to web3 but how to check the ...

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