go-ethrelay | line interface to interact with the Testimonium | Blockchain library

by pantos-io Go Version: v0.3.2 License: MIT

X-Ray Key Features Code Snippets Community Discussions(10)Vulnerabilities Install Support

kandi X-RAY | go-ethrelay Summary

go-ethrelay is a Go library typically used in Blockchain, Ethereum applications. go-ethrelay has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Go-library and command-line interface (CLI) to interact with the Testimonium prototype

Support

Quality

Security

License

Reuse

Support

go-ethrelay has a low active ecosystem.

It has 19 star(s) with 3 fork(s). There are 12 watchers for this library.

It had no major release in the last 6 months.

There are 0 open issues and 2 have been closed. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of go-ethrelay is v0.3.2

Quality

go-ethrelay has no bugs reported.

Security

go-ethrelay has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

go-ethrelay is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

go-ethrelay releases are not available. You will need to build from source code and install.

Installation instructions, examples and code snippets are available.

Top functions reviewed by kandi - BETA

kandi has reviewed go-ethrelay and discovered the below as its top functions. This is intended to give you an instant insight into go-ethrelay implemented functionality, and help decide if they suit your requirements.

generateCache is used to generate a hash for a given seed
generateDataset generates a dataset for the given machine address and cache .
ProcessBufferedDag parses a buffered DAG into a DagTree
ProcessAllDuringRead reads data from dataset
ProcessDuringRead reads data from datasetPath
hashimoto is the same as hashimoto
memoryMapAndGenerate is a helper function that takes a slice of uint32s and a slice of uint32s and a slice of uint32s and returns a FileMMap and an error .
writeMerkleProofAsJson writes a merkle proof to disk
hashimotoIndices returns a slice of indices corresponding to the given hash .
BuildDagTrees builds a dag tree

Get all kandi verified functions for this library.

go-ethrelay Key Features

No Key Features are available at this moment for go-ethrelay.

go-ethrelay Examples and Code Snippets

No Code Snippets are available at this moment for go-ethrelay.

Community Discussions

Trending Discussions on Blockchain

Why Metamask if web3.js can interact directly with ganache?

How to get all the NFTs of particular smart contract

I am not able to use ipfs

Interacting With Contract Web3.js

Should I use the elrond devnet instead of the testnet for development?

Trying to run "brownie run .\scripts\deploy.py --network rinkeby" but getting a ValueError

I want to get the address from mnemonic with the proper derivation path

error in ganache installation: The term 'ganache-cli' is not recognized as the name of a cmdlet, function, script file, or operable program

Truffle installation error: "install latest visual studio version"

Why am I getting this error Error: Transaction reverted without a reason string. When trying to swap tokens on uniswap?

QUESTION

Why Metamask if web3.js can interact directly with ganache?

Asked 2022-Mar-30 at 17:55

I am new to blockchain app development, I saw a project where ganache accounts are imported into Metamask, then web3.js is used to access and print those accounts and balances on Frontend (user interface).

If web3.js can directly access ganache blockchain accounts and balances, why do we need Metamask in between?

...

ANSWER

Answered 2022-Feb-08 at 09:11

If web3.js can directly acccess ganache blockchain accounts and balances, why we need metamask in between?

In this case, you don't need MetaMask to sign the transaction, as the node (Ganache) holds your private key.

But in a public environment (testnets and mainnet), the node doesn't hold your private key, so you'd need to sign the transaction using MetaMask (or any other tool that holds the private key).

Source https://stackoverflow.com/questions/70952165

QUESTION

How to get all the NFTs of particular smart contract

Asked 2022-Mar-30 at 11:00

I tried https://docs.opensea.io/reference opensea.io docs to fetch data. However, I think there are 2 APIs.

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ANSWER

Answered 2021-Aug-04 at 15:03

The assets endpoint (docs) has the asset_contract_address filter that allows you to filter by a contract address. Which will effectively allow you to paginate through all NFTs of the contract (that Opensea knows of).

Example:

Source https://stackoverflow.com/questions/68651167

QUESTION

I am not able to use ipfs

Asked 2022-Mar-29 at 03:32

I want to publish files on ipfs but it's showing me an error.

Here is my code...

...

ANSWER

Answered 2021-Nov-11 at 04:27

I am not familiar with ipfs but i checked the official docs and they have done the first line like this:

Source https://stackoverflow.com/questions/69897780

QUESTION

Interacting With Contract Web3.js

Asked 2022-Mar-19 at 17:10

I have been trying to interact with a contract on the AVAX chain using web3js and it keeps throwing the error, "TypeError: Cannot read properties of undefined (reading 'send')". I cannot figure out why this is happening, as it should be a valid statement. If anyone can help that would be awesome.

...

ANSWER

Answered 2022-Mar-19 at 17:10

The ABI needs to contain just the function and event definitions that are stored in your result property. Without the wrapper object containing status and other properties.

So in your case

Source https://stackoverflow.com/questions/71534875

QUESTION

Should I use the elrond devnet instead of the testnet for development?

Asked 2022-Mar-08 at 09:03

I've been using the testnet lately and I encounter issues: they reset it very often and the service is down for multiple hours and sometimes have bugs.

Should I use the devnet? From what I've understood it's more stable and they reset it less often?

I have a backend in js that uses the elrond-sdk-erdjs and I'm confused because there is no function that initializes the https://devnet-gateway.elrond.com only the testnet. Is there a reason?

utils.ts

...

ANSWER

Answered 2021-Aug-24 at 12:56

The testnet is pretty volatile and it is reset very often (maybe weekly), without any warnings. Elrond recommends developers to use the devnet, it is reset maybe once every 3-4 months, so it's more stable.

You can get the provider like this:

Source https://stackoverflow.com/questions/68863572

QUESTION

Trying to run "brownie run .\scripts\deploy.py --network rinkeby" but getting a ValueError

Asked 2022-Mar-01 at 18:15

Hey guys I am trying to deploy my project on the rinkeby chain using infura, but I am getting a ValueError Here is my trackback:

...

ANSWER

Answered 2021-Nov-28 at 10:14

it appears your env variables are not set correctly, and it looks like in this case it's your WEB3_INFURA_PROJECT_ID.

You can fix it by setting the variable in your .env file and adding dotenv: .env to your brownie-config.yaml.

brownie-config.yaml:

dotenv: .env .env:

export WEB3_INFURA_PROJECT_ID=YOUR_PROJECT_ID_HERE Remember to save these files.

Additionally, you should be on at least brownie version v1.14.6. You can find out what version you're on with:

brownie --version

Source https://stackoverflow.com/questions/70098080

QUESTION

I want to get the address from mnemonic with the proper derivation path

Asked 2022-Feb-23 at 00:41

I am very new to blockchain programming and programming in general. I want to generate my SOL address using the mnemonic seed phrase with the derivation path "m/44'/501'/0'/0". I can't find a proper BIP44 module for python where you can specify the derivation path.

...

ANSWER

Answered 2022-Feb-23 at 00:41

After a long search through the internet, I have finally found a way of solving my problem that I want to share with you.

Source https://stackoverflow.com/questions/71217530

QUESTION

error in ganache installation: The term 'ganache-cli' is not recognized as the name of a cmdlet, function, script file, or operable program

Asked 2022-Feb-18 at 17:26

I installed ganache with yarn, but when I check the version to see if correctly installed, I get the error: "The term 'ganache-cli' is not recognized as the name of a cmdlet, function, script file, or operable program".

...

ANSWER

Answered 2021-Oct-18 at 02:20

I had the same issue but then I installed with npm and it worked

Source https://stackoverflow.com/questions/69236378

QUESTION

Truffle installation error: "install latest visual studio version"

Asked 2022-Feb-17 at 16:59

enter image description hereI've installed latest version of visual studio with desktop development c++ workload but still they are asking for it when i try to install truffle. I entered command :npm install -g truffle and lot of messages appear after 2 to 3 minutes of some kind of installation process. they are asking for Latest version of Visual Studio with "Desktop development with c++ workload" whereas i just installed my Visual studio with the same requirements. node.js and ganache are already installed. Is there any other way to install truffle?

...

ANSWER

Answered 2022-Feb-17 at 16:59

If you are installing it using npm package manager. Downgrade your npm to 7.24.2 it worked for me I hope it will also work for you. Use the following command to downgrade npm

Source https://stackoverflow.com/questions/70954642

QUESTION

Why am I getting this error Error: Transaction reverted without a reason string. When trying to swap tokens on uniswap?

Asked 2022-Feb-17 at 06:46

I'm trying to swap tokens on uniswap unsing hardhat's mainnet fork but I'm getting this error: Error: Transaction reverted without a reason string. And I don't really know why.

Here is my swap function:

...

ANSWER

Answered 2022-Feb-17 at 06:46

Weth is different from other token, you're not able to use swapTokensForTokens. We must use the swapEthForTokens function instead, and you have to declare the data option separately.

so in your case we need to do:

Solidity code:

Source https://stackoverflow.com/questions/71152833

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install go-ethrelay

The following setup will take you through the deployment of ETH Relay with a local Ethereum blockchain (Ganache) as verifying chain and the main Ethereum chain as target chain. Information on how to connect to other blockchains can be found here. Remark: testimonium was the name of the old relay client and at some points in this repo the old name testimonium is used for things like e.g. the config files. ETH Relay is now setup. In order to submit blocks, a stake has to be submitted first. After you deposited some stake, you can submit block data from the target chain to the verifying chain, and request verifications of transactions, and dispute illegal blocks.
Run git clone https://github.com/pantos-io/go-ethrelay.git to clone the repository on your local machine and then run go get in the go-ethrelay folder to install the library and the CLI. Check that the CLI was installed correctly by running go-ethrelay --help. In case go-ethrelay command is not found, have a look at the Troubleshooting section. If you want to install the library manually, you can simply clone this repository and run any command in the cloned directory with go run main.go [command].
Run go-ethrelay init to initialize the client. If you encounter any problems calling this command, get sure the rights are properly adjusted so Go can create the testimonium.yml config file in the current folder. It is also possible to generate the file by hand or change the example config file named testimonium.example.yml contained in this repo.
Start Ganache (should start on the default port 7545, if not, change this in the config file).
Deploy the Ethash contract with go-ethrelay deploy ethash. This deploys the contract responsible for verifying the Proof of Work (PoW) of a block.
Submit the correct epoch data to the Ethash contract with go-ethrelay submit epoch <EPOCH_NO>. Depending on which block will be submitted as genesis block to the ETH Relay contract in the following step, the correct epoch data can be calculated as EPOCH_NO = BLOCK_NO / 30000 floored. This may take a while. e.g., for genesis block 8084509, the correct epoch data is 269
Deploy the ETH Relay contract with go-ethrelay deploy ethrelay --genesis <BLOCK_NO>. This deploys the contract responsible for the verification of transactions (or receipts, or state). The genesis parameter specifies the first block of the target chain which will be submitted to the ETH Relay contract. Verifications will be possible for all subsequent blocks.
There is also a shell script in this repository named setup-relay.sh. This script helps researchers and developers to quickly setup a working version of the relay with default-values and assuming a local Ganache instance. The call to this script is:.