Questions tagged [erc-1155]

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Are ERC-1155 tokens always atomic?

I am creating an ERC-1155 smart contract whereby I create a number of different tokens and also want to be able to create new tokens on the fly. The code is something like: import "@openzeppelin/...
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309 views

Using Uniswap for trading ERC-721 or ERC-1155 Tokens

Is it feasible to use Uniswap for buying and selling NFT's (ERC-721) or Semi-NFT's (ERC-1155) tokens? It would seem to me that it could be an easy way to implement a DEX for unique digital assets with ...
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357 views

Implementing ERC-1155 contract on the fly

I want to implement an ERC-1155 token to represent ownership of videos. Creating such a contract is relatively easy: import "@openzeppelin/contracts/token/ERC1155/ERC1155.sol"; contract ...
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1answer
157 views

What is operator approval in context of ERC-1155?

https://github.com/enjin/erc-1155/blob/master/contracts/ERC1155.sol says something about "operator approval". What is an operator and what is operator approval?
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53 views

ERC-1155 events for approval

ERC-1155: function approve(address _spender, uint256 _id, uint256 _currentValue, uint256 _value) external; /** @dev Allow other accounts/contracts to spend tokens on behalf of msg....
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1answer
90 views

Can we say ERC-1155 is the same thing than SFT

I have understood the differences between Fongible tokens and Non Fongibles tokens (NFT). I have read a new kind of token called SFT: Semi interchangeable token. It is supposed to be a mix between FT ...
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16 views

Limiting operator transactions in ERC-1155

ERC-1155 has an API for somebody other to be allowed to transfer somebody's funds. Is there any "standard" extension of ERC-1155 allowing to limit which tokens and in which amounts can be ...
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1answer
96 views

How can I determine which smart contract belongs to which vendor/app/etc. I am interacting with?

Rarible lists (on https://rarible.com/contracts.txt): RC721Sale Contract - 0x131aebbfe55bca0c9eaad4ea24d386c5c082dd58 ERC1155Sale Contract - 0x93f2a75d771628856f37f256da95e99ea28aafbe ERC721 Nonce ...
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66 views

Mint ERC-1155 Token with user defined variables

I would like to allow users to change the property of their items. Let it be the color. In my understanding though there is no way of changing the property of an already minted erc-1155 token. ...
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1answer
167 views

Which token standard should be use to create different tokens for different users?

I have read several differences between fungible and non fungible tokens. It cleared my few doubts though, I have few more remaining. I have requirement to create a platform on which users can ...
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1answer
37 views

An attack to my contract similar to ERC-20 approval() exploit

I have function setNonRecurringFlow(uint256 _child, int256 _remainingSwapCredit) external; function setRecurringFlow( uint256 _child, int256 _maxSwapCredit, int256 ...
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1answer
42 views

Should increase/decrease token supply on transfer to/from 0x0?

I am about both ERC-20 and ERC-1155. Should totalSupply be increased/decreased, when: transferring to 0x0? burning an amount already placed at 0x0 address? By the way, should 0x0 be allowed to have ...
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21 views

ERC Standard for Interesting Use Case?

So the best way I can describe what I am trying to implement is with an example... Let's say you have a bunch of journalists, and each journalist has beneath them all of the articles they have written ...
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21 views

IERC1155Views - whether and how to use it?

Do I need to have IERC1155Views interface in my ERC-1155 contract to determine the number of decimals after the dot for the exchanges? If I don't specify IERC1155Views, what number of decimals will ...
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181 views

An ERC-1151 with two kinds of tokens, how to number them?

I have a potentially infinite set of each of the two kinds of tokens: seller tokens corresponding to Ethereum addresses; merchandise tokens corresponding to small uint256 values (item IDs). What is ...
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32 views

I developed this Entity relationship Attribute Diagram for the Ethereum erc 20 erc 1155 and erc 721 . Can anyone help find errors or misplaced details

I developed this ERA in order to compare the 3 token families, but I am not sure I am misplacing or missing something. Any suggestion or correction will be greatly appreciated . Ricardo Borges dos ...
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180 views

Precision (digits) of ERC-1155 tokens [closed]

How the precision (number of digits after the dot) for a ERC-1155 token is determined?

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