Questions tagged [usdc]

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Why I can't get meta data of USDC in ethereum?

I tried to get USDC's meta data specifically symbol, name, decimals with ethers.js. However I caught below data name: '', symbol: '', decimals: 0 Are there who meet the same situation? I call ...
ttt's user avatar
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Uniswap: get token price for USDC in solidity

I try to create a function in Solidity which returns the amount of a ERC20 token for a set amount of USDC. For that I go through the following steps: Get the address of the pair. address pairAddress =...
rajohs's user avatar
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Help, my usdcs are lost in genosis safe wallet :)

My USDCs were in the Genosys safe wallet, and I connected the Genosys to Orbiter and bridged from Optimism to Zksync. But now I found out that Ginosys wallet doesn't have ZkSync network 😐 I mean, ...
ehsan h's user avatar
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How a stable coin, like USDT and USDC works?

I need help regarding stable coin, particularly like USDT and BUSD, pegged to US Dollar. I am working on a stable coin project. The smart contract needed to be developed in solidity and deployed on ...
Asad Hayat's user avatar
1 vote
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Invalid signature when siging EIP-712 data

I am trying call transferWithAuthorization on the USDC contract (which implements EIP-3009). To do this I need to sign the transaction data and then execute the transaction, however I am getting the ...
ljenkins's user avatar
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Im trying to make gnosis into etherium on coinbase

I got four transfer on gnosis network to Coinbase. Im not able to get them into etherium on Coinbase. Can you help me?
Morten Tell Augustin's user avatar
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Uniswap Allow USDT fee

I want to swap USDT to USDC, but Uniswap shows huge fees, especially Allow USDT (one time). Can someone explain why it happens and what to do?
vqdym's user avatar
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Token Balances for sepolia testnet not updating in metamask

Token Balances for sepolia testnet not updating in metamask when sent from faucet (aave in this case). I can send test ether which works appropriately. I have added tke token contract address (see ...
John Daniels's user avatar
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As of 2023 June, what is the best method to swap USDC from Arbitrum to Polygon with the least slippage

It's June 2023, what is the most cost effective way to swap USDC from Arbitrum to Polygon?
Patoshi パトシ's user avatar
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Can i receive usdc to my coinbase wallet via email address

I work at a company that has usdc voia coinbase payment method, and it only asks for the email, given thay, coinbase.com doesn't support my country and only coinbase wallet is available, so i provided ...
winteri3coming's user avatar
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Fantom cannot approve spending USDC token

I am doing simple approve operation on USDC token in Fantom network. Here is my payload: functionParams { from: '0xd775b00b5cf6e954aed8408202367a1bae6ac55f', to: '...
Oleksandr Tserkovnyi's user avatar
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Current tick falling outside of position's lower and upper tick

I would like some assistance on this matter: My pool of reference is ETH/USDC and if my current tick is below my position’s lower tick, am I right to state that all of my position ETH will be ...
Porsche Lim's user avatar
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1 answer
57 views

Zksync USDC Events

I'm trying to interpret the tx https://explorer.zksync.io/tx/0x97ab638ce8646f058c9fdafa1d30357a4ed9ecb2c5cb0976e60d897a425ffe83#eventlog First log event's data value is 426912250000000. The USDC ...
att's user avatar
  • 165
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How To Do Bulk Transaction with USDC(AVAX)

I am trying to make a bulk transaction using USDC (AVAX). I saw that it was recommended to use transaction builder. But the directions to use it was unclear to me. i was hoping that someone could help ...
Raphael's user avatar
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Transaction error. Unable to resolve host "ethereum-rpc.trustwalletapp.com": no address associated with hostname

I got usdc on erc-20 as payment from my client and I am trying to send the usdc from trust wallet to another wallet however I got this response. Transaction error. Unable to resolve host "...
Obee's user avatar
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2 answers
249 views

How to get totalSupply of USDC using solidity?

// SPDX-License-Identifier: MIT pragma solidity ^0.8.7; // import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; interface IERC20 { /** * @dev Returns the amount of tokens in ...
1111's user avatar
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1 answer
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Accidently sent TRC20 Tether to an ERC20 wallet, what do I do?

Used Kraken to Send TRC20 to an ERC20 wallet and i do not see funds in erc20 wallet trans id: 0x60f487f0e36b8be315b3955188bba8b3e62ab60b8f41e1fea256a304ecf0acee
sam's user avatar
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Unable to withdraw from Aave using contracts

I am using Polygon mainnet. Below are the steps I am trying to follow. address private constant _lendingPoolAddressesProvider = 0xd05e3E715d945B59290df0ae8eF85c1BdB684744; address private constant ...
Palakonda Shiva Prasad's user avatar
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39 views

How can I find out what token was sent from the transaction "input"?

How can I find out what token was sent from the transaction input? Example: This input is from some random transaction. I can find out how many tokens are transferred during the transaction but how ...
Laralex's user avatar
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1 answer
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How do you validate a Token is USDC or any specific Token?

For my usecase I want to check if msg.value, sent to my smart contract, is actually 10 USDC and not any Shitcoin. Is this done with the approve function of ERC20 interface? Because right now I have ...
Markus Haas's user avatar
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154 views

Wallet with Tether and ERC20 networks

I am just starting my research in blockchain development, and after some time surfing in this website, I realized that it would be better if I ask my specific question by myself. I am trying to find ...
Yessen Yermukhanbet's user avatar
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0 answers
27 views

How to verify that an address is mine

I transferred usdc to an ethereum address apparently and now am supposed to verify that the address is indeed mine. I see the amount (token) on etherscan but don't know how to claim it. It's asking me ...
Cristal Brown's user avatar
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1 answer
126 views

USDC Transaction "Balance" vs. "Token Balance"

I initiated a transaction to transfer from an AAVE wallet to USDC address which shows as successful. However, I do not see the balanced transferred to my USDC (Coinbase) address. Looking on Etherscan....
user2328515's user avatar
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2 answers
3k views

Transaction shows up on etherscan and metamask said it was sent, but my token balance is still the same

I made USDC transaction and metamask said it was sent and etherscan also say there was a transaction made as seen below. But my USDC balance is still the same as if it never left my account. And ...
Patoshi パトシ's user avatar