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Results tagged with solidity
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user 90305
Solidity is a contract-oriented, high-level language whose syntax is similar to that of JavaScript and it is designed for writing smart contracts in Ethereum to run on the EVM. Solidity is statically typed, supports inheritance, libraries and complex user-defined types among other features.
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Incrementing a unique return value from a mapping
Let's say I have a mapping called Tries. each time a function is called I want to increment the return value from 0 to x depending on the number of tries (trying to call the function).
here's the mapp …
- 15
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1
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How to add separative commas every 3 digits in solidity to an input integer?
Is there a way to add separative commas to large input numbers? let's say the input was 1000, I want the output for this function to be a casted string that has this format "1,000".
Note: I'm using th …
- 15
0
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1
answer
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Receiving ERC20 tokens as paymant inside my smart contracts
Is there a way to receive X amount of ERC20 tokens to transact certain methods inside my smart contracts?
So let's say a mint method is payable and receives ether as a value instead, it requires the m …
- 15
1
vote
1
answer
220
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Why can't I Transfer ERC20 Tokens through my ERC721 contract as payment?
Here's the function:
function transferERC20() external {
_erc20.transferFrom(msg.sender, erc20Recipient, 6*10**18);
}
After I imported the IERC20 Interface to interact with ERC20 tokens i …
- 15