Security implications on limiting the round change timeout of Istanbul BFT consensus algorithm?

I have a security-related question regarding the exponentially increasing timeout in the round change, which is used in the Istanbul Byzantine fault-tolerance consensus algorithm used by Quorum. Which security problems would I run into if I limit the exponent and thus the timeout to a few minutes? File: consensus/istanbul/core/core.go Line #326 func (c *core) newRoundChangeTimer()…

how to use erc20 transfer in another contract in remix ethereum using metamask?

i read a lot of documentation in here and another web pages, i have a question and i so tried to solved but nothing works for me. i am using this example : https://forum.openzeppelin.com/t/example-on-how-to-use-erc20-token-in-another-contract/1682 Works fine with truffle, but i don’t know what i need to do to this works fine using metamask The problem…

Why HD wallet instance returns two xpub-xpriv key pairs inside Root and HDKey?

As I have implemented address generation using HDWallet as shown in below snippet: let Seed = generateMnemonic(); const wallet = EthHdWallet.fromMnemonic(Seed); console.log(“Wallet”+JSON.stringify(wallet)); console.log(typeof wallet); let address = wallet.generateAddresses(3); console.log(“Wallet after address generation: “+ JSON.stringify(wallet)); console.log(“Address generated: “+ address); Wallet gives one object which constains: _hdKey (Has parameter _hdKey which further have two parameter xpriv &…

Executing ContractFuzzer

I am trying to execute contractfuzzer. I found the link: [contractFuzzer link][1] The above link provides link to following page: docker container page but all the information is in a chinese language. ContractFuzzer link says execute all instructions in the container link: The instructions are: docker load<contractfuzzer.tar docker run -i -t contractfuzzer/contractfuzzer:latest To evaluate the…