Questions tagged [erc-677]

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call a function in the same contract

i have a contract who containt a function onTokenTransfer(address _sender, uint256 _fee, bytes memory _data), when i transfer some ERC-20 Token using ERC-677 function transferAndCall, the function ...
noro meb's user avatar
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1 vote
1 answer
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ERC677 transferAndCall

i want to send some LINK to a contract B from a contract A, and in the same function call a function in contract B, im using transferAndCall(address _to, uint _value, bytes _data) function in the ...
noro meb's user avatar
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1 vote
1 answer
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ERC677 - chainlink - approve

I am reading ERC677 EIP and trying to understand the motivation behind it. I understand it extends ERC20 with an additional function that helps to reduce the number of transaction but the motivation ...
Emrah's user avatar
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2 answers
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Kovan Test Net: not receiving test LINK

I tried to receive Link on the Kovan testnet two different ways, with the same result- No error message, it just continues to load endlessly. https://kovan.chain.link/. a) "Send me 100 test link&...
dustycar17's user avatar
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1 answer
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How to interact with a ERC20 / ERC677 token through a smart contract

I'm trying to write a smart contract that can send ERC20 / ERC677 tokens from one user to another. For example send LINK from one address to another. I deployed my contract on the kovan network but it ...
Laurens Wissels's user avatar
3 votes
2 answers
1k views

Update Solidity - 0.5.4 (ERC20 + ERC677)

I'm trying to create an ERC20 Token that can send Tokens to a Receiver Contract similar to how ERC223 does and i decided to try ERC677 but i can't understand how to update this code to match Solidity ...
Liberalite's user avatar
1 vote
1 answer
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How to implement function() tokenFallback and decode the parameter bytes _extraData

I want to use the ERC223 approveAndCall() || ERC677 transferAndCall() functionality in a contract. I can take the _extraData string x="0xe359292df082828f595466de72062f2a1182b077",["...
user1938620's user avatar
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1 answer
217 views

An overview of fungible Ethereum Token standards/proposals?

Beside the well known EIP-20, we have a number of other proposals for fungible tokens. Each of them addressing a different set of requirements. [Q] Is there an overview of fungible Token standards/...
ivicaa's user avatar
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