Questions tagged [fees]

Questions related to the transactions fees and gas costs in Ethereum

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23 views

Why do I pay fee for reading transaction on Ropsten?

I have a doubt. I am using truffle with meta mask to deploy Smart Contract, write transaction and read transaction on Blockchain. Why do I pay fee for reading data on BlockChain? Should it be free? I ...
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1answer
18 views

Why transaction fees depend on DEX?

Since today ETH transaction fees become so high, I (and possibly many people) want to save money by reducing these fees. I notice that transaction fees are cheeper in some DEXs compared to those of ...
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36 views

Why ethereum transaction fee has increased so high?

I'm wondering what has caused this recent spike?
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1answer
13 views

Cost to cancel or change an unfilled Augur order

With the launch of Augur v2, what is the cost to cancel a previously entered order that has not yet been filled? Is this cost the same as the cost to modify the order by changing the bid, ask or ...
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106 views

Ethereum transaction sent from Ledger Nano X stuck because too low tranasction fee used

My ETH are STUCK. 48 hours ago i sent 31 ETH from my Ledger Nano X to my Coinbase account, but i choose the slowest and cheapest method that was diplayed into my ledger ( I don't remember how much gas ...
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1answer
184 views

Etherscan api: how to get transaction fee?

For example: open this https://etherscan.io/tx/0xcb1e3530950cf2c43a307bcb5645ae71a12c76a60831617badd04aea3efe68aa It's a random one I see these infos on webpage: Gas Limit: 136,500 Gas Used by ...
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1answer
238 views

Is it possible to send ERC-20 tokens with the gas from another account? [duplicate]

I'm creating a DApp platform which allows customers to send and receive USDT (ERC-20 Token). The problem I have is that if customer want to send some Tethers out, he should have enough ETH too as the ...
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1answer
26 views

Is it possible that the contract pays to store data coming from an address with no eth?

So the ideia is like this: contract MyContract { uint mydata; function setData1(uint _data) public { mydata = _data; //normal way (msg.sender pays to store _data in mydata (msg....
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34 views

Resources of a miner's reward in Ethereum?

To compensate the miner who could solve the PoW as the first one, they will receive some coins as a reward for keeping them motivated due to the costs related to mining process (electricity and ...
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1answer
77 views

Is it possible to transfer token from other address if I have private key from it?

I know that if someone owns tokens he can simply call transfer method of contract to send money. I also know that for ERC20 contract owner of tokens can call approve for my account, and then I can ...
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27 views

Contract wallet allowance and fees

I just want to ask, does Contract Wallet need an approval/allowance? as far as i know, Contract Wallets are executed by Wallet owner (Owner account) and the gas fees are paid by this owner account. ...
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1answer
62 views

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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1answer
219 views

Apparently some people send transactions with zero gas and positive gas limit, how do they do this? (and I am NOT planning to this but how)

Have a look at this transaction for example: https://etherscan.io/tx/0x11d96986d36240a5e5e7eab78879aa841631705370e707f15f1488a0b9d6704a 0 gas, 0 ether but plenty of tokens transferred. Obviously the ...
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1answer
174 views

How to charge a fee in ethereum smart contract transactions

I need help on how to charge a transaction fee in ethereum smart contract using web3? Also which web3 API can be used to check the validation of enough gas on the frontend of smart contract?
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1answer
29 views

Return fees - is it save?

I would like to return partially fees to users of my dApp. Once they have reached X amount in fees, I want to make a function that will pay them ethereum automatically. Now my question: Is that secure?...
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1answer
126 views

How long did a transaction spend in the mempool?

I'm trying to create some statistics on how long a transaction spends in the mempool before being included in a block, so I can reason about future gas prices. It would appear transactions in Ethereum ...
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1answer
24 views

Second price auctions for more stable transaction fees

Why does Ethereum not use a second price auction for setting transaction fees? This would protect users from paying too much by mistake and lead to more stable and predictable fees for everyone. ...
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15 views

Sending an extra percentage of a token someone is trading to a cold wallet storage address

I have an erc20 token I want to start trading. In the smart contract, can you make it send 1% of the transaction amount in the token being sent to a "company wallet" storage along with the wallet it ...
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1answer
24 views

Why we use 1000 to divide our fees?

function transferToAddress(address _to, uint _value, bytes memory _data) internal returns (bool success) { require (_to != msg.sender && _to != address(0)); uint fee = ...
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51 views

Setting Fees/Prices for Items

I have a question on setting prices for the cards in the card game I'm working on. Right now, I have 2 cards available but there will be more (maybe a couple dozen). I store each card as a struct ...
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2answers
840 views

How is it possible to pay 2,100 Ether ($309,267) for a transaction fee?

Here is the transaction details that has transaction fee for 2,100 Ether ($309,267.00) only for sending 0.1 Ether. There is no fairness for users, hence accidentally adding a zero might cause them ...
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1answer
60 views

How do miners claim gas from an invalid transaction?

Suppose a transaction T changes the state from S to an invalid state S'. For example, say, it ran an long loop of no operations (no_op), and attempted a double spend. Since this T transforms the state ...
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1answer
182 views

I have question about private block chain gas structure

I have a basic question about gas price charged for transaction. Say I have a private ethereum block chain with ten nodes and I don't want to charge any fee for the transaction taking place in this ...
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1answer
141 views

Gas costs of the following contract

I'm calculating the gas costs of the following contract: 0x6001600190016007026005016002900460049060016021900560150160030260059007600303600960110a60005260086000f3. Disassembled versions: contract ...
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0answers
15 views

Ethereum Price - Transaction cost relation [duplicate]

The average transaction cost is around 0.0005ETH which is around 0.06$ right now. Does it mean that the transaction fee decreases whenever the price of Ethereum drops? Isn’t the price closely related ...
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3answers
362 views

Is there any decentralized exchange with zero trading fees for ERC-20 tokens at the moment?

Is there any decentralized exchange with zero trading fees for ERC-20 tokens at the moment? All fees except gas fees should be zero. I already tried Bancor and Kyber but, as far as I can tell, they ...
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145 views

Achieving ZERO fee ethereum transactions like EOS

How would Ethereum take on the approach of how EOS have ZERO fees when making a transaction? EOS has the concept of resources, but is there anything like this in the works of "shared resources" for ...
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1answer
31 views

Change contract transaction payer from initiator to contract

I have smartcontract that creates some internal structures in external call. Now, when calling this creator function transaction paid by initiator. Is it possible to make contract paying for this tx?
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1answer
241 views

“state channel” v.s “micro-payment channel” : are they the same?

We use "micro-payment channels" such as "Bitcoin Lightning Network" or "Duplex Micro-Payment Channels" for saving transaction fee, accelerating payments, supporting better micro-payment and scaling ...
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1answer
804 views

what is difference between “gas” “gas price” and “fee”?

Can we say that gas is the unit of transaction fee ? And gas price is the same transaction fee ? If so, why we do not use ether and wei instead of gas ?
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1answer
47 views

Is it clear that for every “ether” transfering using “address.transfer(amount)” how much “fee” must be paid?

Is it clear that for every "ether" transfer using "address.transfer(amount)" how much "fee" must be paid? I mean how much is the cost of transferring ether by address.transfer(amount)? Is it a fix ...
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0answers
364 views

Dynamic arrays VS mappings when it comes to gas usage?

I'm puzzled what is more efficient to use, from the point of gas consumption (storage and execution), dynamic array or the mapping and element counter. To be more clear, I'm not asking the basic data ...
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2answers
1k views

Who pays transaction fee ? Payer or Recipient of the ETH?

When we call address.transfer() or address.send() to transfer ETH, who has to pay transaction fee ? Payer or Recipient of the ETH? And is there any option to choose payer of the fee or gas? Updating ...
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0answers
35 views

It seems like oraclized takes way more than $0.05 [closed]

When a TX for a random number like such: https://ropsten.etherscan.io/tx/0x54fa389796fea546ac6562bec7cfe4b0daca1b744920a38a0e85036b07a1e0ee It says that 0.004 ehter was send to oraclized and it is ...
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2answers
356 views

Is it possible to batch transactions together?

In bitcoin-land, it's advised to batch transactions to send them to (a) reduce fees and (b) reduce network congestion. Does the same apply to ethereum land? It seems that the to can be only one ...
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1answer
243 views

Smart contract to buy/sell ETH/ERCToken for backed token and fee on each transaction

I did quite a lot of research to find something like this with no success. I would like to create a smart contract that allows any token to be backed by ETH. The user can buy the token directly by ...
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2answers
1k views

Why don't private blockchain networks that do not charge for transactions charge a fee when processing ethereum/ proprietary token on the network?

I ask this questions is there seem to be 2 flavors of blockchain: 1. Public think bitcoin and ethereum. 2. Private hyperledger, SAP Leonaro, etc. The public network charges for transactions which make ...
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2answers
355 views

Can a fee in Ether be added to ERC20 Token transfers

New to Solidity... Is it possible to have a fee for transfers of an ERC20 Token in Ether? The fee would be 0.000001 Ether per transfer. Each time the ERC20 Token is sent to another user, the fee in ...
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1answer
100 views

Why is gas needed when fees can be derived intrinsically?

If fees are derived based on the equation (startGas - remainingGas) * gasPrice, why is gas even needed to be specified for a transaction? The intrinsic gas can be derived from the contract itself, ...
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Miner incentives in a permission blockchain with a digitally native asset on Ethereum?

Would be very grateful if someone could give me their opinion and ideas on whether this is possible, and if so, how this might be done: If one were to build a permission blockchain on Ethereum with ...
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1answer
129 views

How to create multiple connected addresses?

I didn't see anything on here so I figured the community would benefit as well, plus I really am curious. Lots of exchanges (or online wallets) have no fees when transferring BTC or ETH or etc ...
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2answers
330 views

If every node executes the transaction, who collects the transaction fees? [duplicate]

I read here -- On which node smart contract get executed taht once your smart contract gets incorporated into the Ethereum network, every node on the network will execute that contract (done to ...
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1answer
239 views

Ethereum Transaction for ERC20

If I want to airdrop the token to 10,000 addresses can we do it all under 1 transaction rather than 10,000 separate transactions all incurring separate fees. Thanks Amit M
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1answer
95 views

How to calculate exchange fee in ETH in transaction?

Let's say I have the following decoded transaction input data: [ "0x0000000000000000000000000000000000000000", "690000000000000000", "0xac709fcb44a43c35f0da4e3163b117a17f3770f5", "...
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1answer
2k views

why are Ethereum transaction fees so high?

I transferred some ETH earlier on today (see txn info here) - as you can see it was for $18 dollars. The transaction fee was $0.41 I did another transfer few days so (see txn info here), this time ...
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1answer
134 views

How to properly calculate amount of fee in this smart contract?

I'm exploring tradeBalances method of this smart contract and trying to investigate how does fee actually calculate for this transaction with the following decoded input data: ‌[ "...
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1answer
766 views

What's a normal price for deploying a smart contract? How to make sure I don't overpay it?

I deployed a contract on the testnet and it costed about $1. I tried in on the mainnet, it required about $50. Is this normal? Gas Limit: 1719577 Gas Price: 40 Fee: 0.068 ether How can I make ...
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1answer
339 views

Gas Requirement for Ethereum Message Signing

Is Gas required to sign a message using ethereum?
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1k views

Unaffordable gas limit for my Ethereum based crypto-coin

The gas limit for single send transaction is about 21000 gas. Now I am creating my own Ethereum based crypto-coin, and I want to keep its conversion rate as 1 coin = 1 US$ and about 0.02 US$ as ...
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2answers
725 views

ERC20 Transaction Fee - setFeeCurrency

Hi i now read everywhere that a transaction fee has to be paid in ETH. But I also found via the ethereum page the following page: https://github.com/ethereum/wiki/wiki/Standardized_Contract_APIs#...