Questions tagged [mainnet]

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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 ...
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0answers
20 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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1answer
127 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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11 views

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 ...
0
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1answer
20 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 ...
0
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1answer
22 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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0answers
48 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 ...
0
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1answer
85 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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18 views

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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0answers
85 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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0answers
187 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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109 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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141 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 ...