Questions tagged [meta-transactions]

Meta Transactions allows users to perform regular transactions without having to own ether instead a third party relayer will pay for gas.

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Can you use biconomy or GSN to pay for gas when deploying a contract?

I'm building a small dapp to allow users to deploy smart contracts without needed gas, where I'll use GSN or biconomy. I'm not sure you can use meta-transaction services like these for transactions ...
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48 views

What means relay in ethereum?

What is relay in ethereum?For doing transactions, any difference? I am not sure the concept of relay, it looks like one account can pay gas for transaction on another account.
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Error: "Transaction ran out of gas. Please provide more gas:

I'm facing a little issue here, that's the mintTo function from contract for NFT. Which I require the sender to send a value with >= 0.1 Ether: pragma solidity ^0.5.0; import "./TradeableERC721Token....
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Loader when confirm clicked in metamask

I want to add a loader to UI when there is a click on confirm transaction popup on metamask. When user clicks on confirm I want to show the loader until the transaction is confirmed. Is there a way to ...
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1answer
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let user create and sign erc20 transactions but i pay the fees?

I try to build an app where users can send and receive ERC20 tokens. I want the transactions for my user to be feeless. So is it possible for a user to create and sign the transactions, my system ...
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Meta transaction using ethers.js

How can I implement a meta transaction using ethers.js library. My transaction is to transfer 100 tokens from 0xAccountA to 0xAccountB. The transaction will be signed by 0xAccountA but the gas ...
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65 views

scatter confirmation for sign a transaction?

I have built an dapp. It's almost like twitter where the user can tweet and also use as a microblogging site in blockchain.I have used scatter as transaction signer for using my dapp. The real problem ...
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145 views

How does a message signed in Remix IDE?

What is signing method that is used in remix IDE and how is the hash value calculated from the message that is being signed?
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2answers
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Meta-transaction explanation

If I understand correctly, A meta-transaction pattern is a like a middleware software between the client and the blockchain that pays for the transaction fees. If I sign a transaction and send it to ...
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1answer
438 views

What is a relayer? (Meta Transactions)

I don't quite understand this concept yet but is this term related to this question/answer? Link: what is the role of relayer in 0x protocol?
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1answer
794 views

Meta transaction with web3

iam just wondering. Are meta transactions not the same like raw transactions, which are signed by the user in frontend and send to a backend, where the transaction gets deployed?
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1answer
81 views

MetaMask transaction popup opens on another computer

We have two computers on the same local network with Static IP for internet. When Computer A calls a transaction through a DApp for an address X, Computer B Metamask is also getting triggered with the ...
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1answer
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ECASH transaction to the ECH Token Address on Metamask

I bought some Ecash from etherdelta and transfered to my Metamask wallet but the token address belongs to ECH that'swhy i did'nt get my fund. Is there any possibility to get my fund back? Thanks in ...
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Crowdsale tokens count is not reducing even user gets the tokens to his account

I had created 100 million tokens and created a contract for crowdsale in test network If user sends a 1 ether using contract address i am able to receive 1 ether and send 1000 tokens to user who send ...
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What are the alternative methods of specifying gas price for contract execution?

This is possibly a rhetoric question, but I didn't find an answer to it. There are excellent answers to similar questions from @eth How much does it cost to use a contract? and When calling a smart ...