Questions tagged [transfer]
The transfer tag has no usage guidance.
9
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13
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Using ".value(...)" is deprecated. Use "{value: ...}" instead
This works fine in Remix but when trying to work in VSCode (for compiling purposes; DApp course, trying to build .json through compile.js ) it throws the error
Using ".value(....
- 133
6
votes
1
answer
356
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Why ERC721 does not have direct transfer function?
I was researching the ERC721 standard on Openzeppelin and I have noticed that there is not public or external "transfer" function.
I see internal "_transfer" function, that is ...
- 1,731
3
votes
1
answer
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Why does Uniswap V2 use `_safeTransfer` to transfer tokens?
I'm looking into Uniswap V2 code and found that it uses _safeTransfer function to transfer ERC20 tokens in the Pair contract.
function _safeTransfer(address token, address to, uint value) private {...
- 177
2
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2
answers
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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 ...
- 35
2
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1
answer
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Ethers.js transfer event filters
In my dapp I'm building I want to update the contracts' balance of an ERC20 token automatically using the transfer event from the token contract. I have created the contract object using:
const ...
- 325
1
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1
answer
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deposite and withdraw erc20 token using smart contract
my goal is to create a smart contract which user can deposit erc20 and withdraw erc20 token using.i tried to implement this functionality using token transfer and transferfrom functions tried to send ...
1
vote
1
answer
388
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How is this scam code transferring tokens to the unspecified wallet within?
Below is the exact solidity code that the scammer were manipulating people to run by themselves. I checked that there is no wallet address specified within the code but this code will transfer the ...
- 11
1
vote
1
answer
2k
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How to test sending eth to function using ethers.js?
I'm net to eth dev and trying to test sending eth while assigning a value to betOnTeam function:
function betOnTeam(uint8 _team) public payable {
// assign usre to _team and add betting ...
- 165
0
votes
1
answer
3k
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ERC721 approve Smart Contract and send transaction from it
I am developing an ERC721. I want the NFT to be approved and to do transactions. When I call getApproved() the address is the Smart Contracts address, but when I try to do a transaction by calling the ...
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