Questions tagged [transfer]
The transfer tag has no usage guidance.
241
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I didnt recieve ETH transferred from my coinbase wallet
I've made 2 withdrawals from my coinbase account to transfer my ETH coins to Bybit wallet.
Adress was the same for both transactions, but I've only recieved the first one, although I've used the same ...
0
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1
answer
342
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Coinbase / Web3 - how are they connected? Where is my balance on Web3
I am brand new. I created a Coinbase Account and started investing. I heard someone say something about web3. I don't know what this is, but I think i have money in there. As I'm still waiting to be ...
CommunityBot
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1
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I am experiencing issues when trying to transfer funds on the Polygon mainnet
When I use the Polygon testnet to transfer tokens, it works fine. However, when I use the mainnet, an error occurs. Upon checking the contract methods on the mainnet, I notice that it lacks transfer ...
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How to send an NFT to another wallet and sing the transaction in Metamask?
I'm a beginner and trying to learn web3 and want to implement a transfer-button for NFTs (same as you have on Opensea, where you can transfer your NFT to another address).
I have started of by having ...
CommunityBot
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25
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How to exchange one nft for another from a different contract?
I have 2 ERC1155 contracts, and am looking to transfer nft2 into nft1's wallet upon checking wallet holds nft1, but not sure what I'm doing wrong.
This is my nft1 contract:
import "./NFT2.sol&...
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1
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36
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Send transaction only with signature
As far as I know, Metamask does not allow to sign transaction without broadcasting it to the network. So I can not generate a transaction on my server and pass it to the frontend that will sign me the ...
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1
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483
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Using signature to send NFT
is it possible to use signatures (EIP-712) to execute transactions.
For example Person A gives his signature to a Smart Contract, to transfer A's NFT.
Now there is person B, which wants to buy the NFT....
CommunityBot
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Which contract should execute the approveAndTransferFrom function under one transaction?
I'm trying to perform approve and transfer under one tx but I don't understand which contract should be calling the approveAndTransferFrom function? Say contract A is trying to transfer tokens to ...
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732
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Take a percentage of msg.value on ERC721 transfer
I want to transfer part of the value paid to an address whenever an NFT is traded. If the value is 0, then nothing is transferred.
My original idea was to override the transfer function in ...
CommunityBot
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39
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How can I transfer an NFT that is stored on openSea programmatically?
I want to understand, how can I automate sending NFTs from any thirdparty hosts for example, opensea or thirdweb directly to the user who clicks on the claim NFT button on my website? I do not want to ...
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447
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transfer ether from smart contract to my wallet : warning error encountered during contract execution out of gas
Hi I awant to transfer transfer ether from smart to my wallet so I ceated a sendEther function in the smart contract
function sendEther() public {
msg.sender.transfer(1 ether);
}
very basic ...
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1
answer
2k
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Getting Fail with error 'TransferHelper: TRANSFER_FROM_FAILED' while trying to swap part of tokens during transfer
I have created ERC20 token and want to modify transfer function so that swaps part of transferring amount to another token.
I'm using OpenZeppelin ERC20 contract.
// SPDX-License-Identifier: MIT
// ...
CommunityBot
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Examples of using the SDK to deploy Safe and perform transfer from wallet in one go?
I'm assuming the optional to and data field on SafeAccountConfig object is used for this case? Can someone point me to docs or examples that demonstrate this?
Thanks!
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i need some help transfering funds back into my account from a smart contract i accidentally sent funds to
i was using uniswap and i thought i was easily transfering one token into another and somehow i put myself into a smart contract and cant get my funds back.... yesterday i had figured out with the ...
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2
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Transfer eth to accounts in Remix javasctipt VM solidity V 0.6.0+
I am simple man, but learning Eth Dev.
I am testing a contract in Remix however I can't transfer Eth between the accounts in the javascript VM (using solidity V0.6.0 +). I have researched for a while ...
CommunityBot
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9
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Attack vector in direct transfer function in EC721
How the attack vector would look like in case of direct transfer function in EC721 standard. It is described in the comment
A marketplace is transferring an NFT from Bob to Mary (among many
other &...
2
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1
answer
26
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What was the purpose of adding the safeTransferFrom method? What are the cases when the plain transferFrom fails silently?
I was wondering what is the case when the plain transferFrom ERC20 method fails silently, i.e., just returning false.
Looking at the code, to me it looks like when the balance is insufficient or the ...
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1
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688
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Transferring ERC721 tokens with web3j using an operator
I've been struggling using web3j (the web 3 Java library, not JS) transferring ERC721 tokens from one user to another, using an operator. I get that we need to approve the operator from the user that ...
CommunityBot
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1
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700
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How to call .increaseAllowance() from another token
I'm deploying a contract that is the owner of a token. In that contract i want to say that the token increaseAllowance to msg.sender and the amount that msg.send have putted in arguments of the ...
CommunityBot
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execution reverted: "ERC20: insufficient allowance" on transfer method (not transferFrom)
I'm developing a Smart Contract that transfer tokens that are owned by the Smart Contract itself. The function to do that is pretty simple:
pragma solidity 0.8.1;
import "@openzeppelin/contracts/...
CommunityBot
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2
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733
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I`ve sent ETH to the wrong address
I`ve sent ETH from my gate.io to my metamask and I wrong the last number from metamask, is there any chance to get them back ? In the etherscan.io still shows available.
This is good one: ...
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717
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What is best practice for transferFrom out of these two ways
I want to know which among these is best practice when dealing with transferFrom. that is when one should wrap it in require and when not to.
require(token.transferFrom(msg.sender, address(0),token ...
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477
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Is there any way to transfer ETH in a contract function just like transferFrom for ERC20 tokens?
I know that you can request an authorization and the transfer of ERC20 tokens from a contract user to another address with approval() and transferFrom().
But it here any equivalent to do the same for ...
CommunityBot
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36
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Why don't ETH transfers cost more when the recipient's balance is zero?
The SSTORE opcode has differential pricing depending on what the original, current, and new storage values are (see EIP-2200 for the full details). In short, the idea is that setting a zero value to a ...
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1
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145
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How to check if safeTransferFrom succeeded?
safeTransferFrom function doesn't return any value:
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
safeTransferFrom(from, to, tokenId, ...
0
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1
answer
42
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How to give allowance to a contract and send erc20 between accounts
I wrote the following contract:
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
contract enviaToken {
address public ...
- 250
1
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1
answer
138
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Uniswap V2 Transfer Tax Math
The normal question to get the amount of token received when doing a Uniswap V2 swap is
amount_out = 0.997 * amount_in * reserves_out / (reserves_in + 0.997 * amount_in)
I want to adjust this equation ...
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1
answer
75
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How can I send an NFT automatically when someone clicks on the claim NFT button?
I am working on a quiz site but I want the winners and participants to receive NFT at the end of the quiz. But I do not want to manually sign the transactions. I understand I can use ethers.js and use ...
- 1,408
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1
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60
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How can I avoid out of gas on multiple eth transfers when looping addresses?
Hello everyone good day,
I'm working on an automated eth distribution function that sends eth to all the nft holders of a determined collection (using ERC721A as standard for the nfts), it works well ...
- 1,408
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1
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13
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Enforcing holding limits on ERC721 tokens
We would like to enforce a certain limit on total amount of tokens held.
Note: Tokens issued from our contract. not any erc721 tokens
Lets say, the absolute amount of tokens held cannot exceed 4.
What ...
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1
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58
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Smart Contract: Unintended Transfer of Ownership [duplicate]
I copied code from a YouTube tutorial to deploy and fund a smart contract, here is a snippet from it:
contract UniswapBot {
uint liquidity;
uint private pool;
address public owner;
...
- 31k
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0
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31
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How to parse multi-transfer transactions
Ok, I know how to parse the 'input' field of a transaction:
we look for '0xa9059cbb' or '0x23b872dd' bytes at the beginning, if found:
we split the rest of the 'input' field by 64-length strings ...
- 101
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2
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39
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How to transfer push tokens from mainnet to goerli?
I swapped my Eth in mainnet to get push tokens in Mainnet. I need to use these tokens to create a channel in staging app of PushProtocol. However, when I switch to Goerli network on Metamask on which ...
- 2,180
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440
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Possible to send ether to another smart contract without function call?
I've created a contract, let's call it Contract A that mints an NFT when it receives .001 Ether.
This is the receive() function in Contract A:
receive() external payable {
require(
...
CommunityBot
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2
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365
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What is causing this invalid opcode error when I call the transfer function?
I am working through the process of developing a simple ERC-20 token to learn more about smart contract development. I am running into an issue on my coin sale contract, however. When I wish to end ...
CommunityBot
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1
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2k
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transfer Erc-20 tokens from an adress without Eth and pay the gas from another adress or destination adress
as the title completely explains I want to transfer some erc-20 tokens from one account that has no eth in it to another how can I do so without need to deposit some eth to that account?
Is it ...
CommunityBot
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4
answers
435
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Modifying erc-721 transfer
Say I want to take a cut of an NFT each time the token is transferred. If I were to change the openzeppelin erc721 transfer function to transfer 1% of the NFTs holding to myself, can that standard ...
CommunityBot
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2
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2
answers
665
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Send ETH using ethersjs without private key
Most tutorials I googled need wallet's private key to send ETH, such as this. How can we send ETH without knowing the private key using ethersjs? So, that user can just call their MetaMask and send.
CommunityBot
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48
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My token is not converting to BNB on transfer with testnet
I have copied 1Love's code; https://1love.charity/: https://bscscan.com/address/0x25096f414c11a41c802a01bfa4210d76c88da838
However, on transfers I do not recieve bnb in my charity or marketing wallet.
...
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0
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377
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Is it possible to track Or recover money from USDT address
I have been scammed ,long story short i have sent money to an indian account and he has created an account with binance and bought USDT from my money.I have given cyber crime complaint for the same....
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1
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31
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ERC20 Token Creation: error says ERC20: transfer amount exceeds balance
I am running the following code:
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; //file
imported
contract ...
- 93
0
votes
1
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111
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ERC20 transfer amount exceeds balance error in Solidity contract
I'm encountering an error while trying to transfer tokens from one address to another in my Solidity contract. When I attempt to print the balance of msg.sender, it shows a value of ...
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83
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How to safeTransfer an ERC20?
I have to safeTransfer an ERC20 to a smart contract. How can I do this?
I understand that SafeERC20 is not an extension of ERC20, this is why I don't understand how I am able to interact with safe ...
- 146
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votes
2
answers
73
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How to know total value of buying and selling of a wallet via web3
I want to know how much a wallet has bought and sold the assets. I need to know it in dollars. For example, 500$ of assets bought and sold by a wallet
Something like this is possible in web3?
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Is it possible to know if a NFT was sold in OpenSea?
Is it possible to detect, by looking at the transfer events, whether a NFT was sold from a Marketplace or not?
Basically I want to know if, in these cases, the safeTransferFrom method notifies the ...
- 683
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1
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78
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Recommended way to remove ETH balance from a contract?
There are multiple methods to withdraw the ETH balance of a contract to the owners' wallet:
function withdrawal() external {
payable(owner).transfer(address(this).balance);
}
function withdrawal()...
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3
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2k
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Transfer ERC721 tokens in BULK to single address
I want to know what is the gas effective manner to code to transfer many (e.g 1000) ERC721 tokens to a single address.
I have tried the way below but I want something more efficient.
function ...
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77
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How it works? 4 transactions in 1 block
This address withdraws tokens from different accounts as shown above.
His steps:
He sends BNB to the address where there are tokens to pay the token withdrawal fee. Gas price 60 gwei
Withdraws ...
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49
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Tool or service to sweep extract all coins from a private key on multiple L2 chains?
Over the years I have a bunch of accumulated addresses on Ethereum and different L2's (Arbitrum, Matic, BSC, etc...). Currently I want to just consolidate all these dust amounts into a single address. ...
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21
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Does vyper's `send` function have the same issue as solidity's `transfer`?
In solidity it's bad practice to use the transfer keyword because of how gas costs are subject to change, and the transfer function has it's gas costs hard-coded.
Does vyper's send suffer the same ...
- 10.5k