Questions tagged [mainnet]

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Pending Transactions [closed]

I am reaching out to the Ethereum community hoping to get better understanding of what my fiancé created with his platform. When we log into BTC.com (Blockchain explorer) and Etherscan.com we see ...
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1answer
25 views

Main Net RPC IP

I am trying to fork Ethereum Main Net via Ganache. In order to do this, I need The URL of the existing chain's RPC server. Nevertheless, I can't find such URL anywhere. Can anybody suggest such URL?
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trying to send some tokens from unlocked account

So I'm trying to send some tokens from an, with ganache-cli unlocked, address to mine to try something out, however for my code to work I need some starting amount of the initial token. Is there some ...
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54 views

Hardhat Can't resolve 'console' on react project

I have a react project and initialized hardhat config then installed the necessary packages but I am getting error when I require hardhat on my project const hre = require("hardhat"); This ...
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2answers
58 views

Unable to Deploy/Migrate to Mainnet via Truffle/Infura

On 12/26/2020 I successfully compiled, migrated and tested on Ropsten via Truffle the following contract https://github.com/estudios-amazonia/FilmVault/blob/main/contracts/FVP_Token.sol. See Ropsten ...
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1answer
21 views

Ethereum contract size limit for multipage contract

I got to know that there is a size limitation for Ethereum contract, but to avoid this I split up functions of my contract in two sol files and one contract extends other contract and this solve the ...
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1answer
29 views

Adding Token to Uniswap

I was just wondering, how would I get my token (lets say abcToken) to both, pair with ETH -> abcToken/ETH, & implement a swapping function for abcToken/ETH on Uniswap? Will I need to implement ...
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1answer
213 views

Impersonating accounts on a forked Ethereum main net using Hardhat

I used the example from the Hardhat docs to impersonate an account on a forked network: await hre.network.provider.request({ method: "hardhat_impersonateAccount", params: ["0x...."]...
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60 views

Revert error when sending ERC20 token on Ethereum mainnet fork

I am trying to send an ERC token (USDC) on the Ethereum Mainnet fork made with ganache-cli --fork. The transfer is made from the unlocked account that has both ETH and USDC balances available to the ...
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2answers
344 views

geth mainnet fast sync appears stuck at around 100 blocks from highestBlock

I started syncing a geth node to the mainnet in fast sync mode 7 days ago. The status is still around 74 blocks behind the highestBlock, e.g. if I run the following: eth.syncing.highestBlock - eth....
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1answer
101 views

how to deploy a smartcontract on the mainnet

I used truffle to create a smartcontract, and then deployed it on Rinkeby (using a local geth node) with this command. It works well. truffle migrate --network rinkeby The smartcontract is an updated ...
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1answer
50 views

contract deployment fine on rinkeby but pending on mainnet

I deployed smart contract on rinkeby using web3 script and it works fine, actually deployed many times. Today I tried to deploy on main net and transaction is pending since 40 mins, gas limit is ...
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Ethereum Logs since Beginning of Time

I can subscribe to all events in ethereum network (logs, pendingTransaction etc) so I can get only newly generated events (while I am subscribed). For my analysis I need to retrieve all logs from ...
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94 views

gas estimation about tests on Ganache forked mainnet

I come up with this solution with gas estimation. Could someone help check whether it is feasible? If we want to send a transaction, first, we just fork the newest mainnet blockchain using ganache-...
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1answer
26 views

Different block information for the same block number at different times

On web3.eth.subscribe('newBlockHeaders') I get notification and trying to get last block via saved block number earlier. It was happen with 9559839 block number on mainnet. First, I was get data with ...
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1answer
35 views

GasPrice: is dipendent by the moment of the call and/or the network?

I'm testing a system to store a small amount of data on the blockchain using a contract. So I've some js using web3.js to make a call to a contract function that mutates states. I obtained, using ...
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1answer
406 views

How to fork current eth mainnet chain in new private blockchain from block #####

I want to run my own eth fork from mainnet (keeping history of transactions, balances & etc). How can I start my new geth instance that will start working after ###### block of mainnet chain? I ...
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213 views

How much more it will take for Ethereum wallet to Sync - 2019

I has been a week when I tried to Sync Ethereum on SSD VPS. Here are the details - Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): ...
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1answer
296 views

Who confirms Ropsten and Rinkeby transactions?

Basic or more like "fundamental" question I guess: So if I got that right, each time someone runs Geth/Parity or other software they all become part of the EVM (ethereum virtual machine). However ...
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1answer
40 views

Crowdsale contract working properly on all testnets but not on mainnet

I never across on this kind'f problem. I have deployed a contract on testnet (rinkeby, ropsten and TESTRPC). My contract is working fine here. But than the same contract is deployed on mainnet and now ...
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1answer
24 views

Is QTUM is a coin or a Token?

According to Etherscan Qtum is a Token, holding supply with verified smart contract. But its official site contains its own protocol and integration mechanism. Is it still a token under ETH or it has ...
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117 views

Truffle test including mainnet contract - Error: Cannot create instance of Whitelist; no code at address

Problem with the error Error: Cannot create instance of Whitelist; no code at address 0x6198149b79AFE8114dc07b46A01d94a6af304ED9 How do I have to setup truffle so that I can run a test which includes ...
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153 views

Truffle how to test with reference to mainnet smart contract - Error: while migrating VM Exception while processing transaction: revert

I would like to run a truffle test on a smart contract that includes a smart contract address deployed on mainnet. However, this results in the following error Error: Error: Error: while migrating ...
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517 views

web3.eth.getBlock returns null

I have a very similar problem as https://github.com/paritytech/parity-ethereum/issues/8788 When I use web3.eth.getBlock for the first 1 million and latest 50,000 blocks (approximately), I get the ...