Vaulta EVM Miner

This tool allows you to accept Ethereum transactions and relay them to the Vaulta EVM.

For every transaction that you relay you will receive a reward in the form of Vaulta tokens.

Environment Variables

Name	Description	Default
MINER_ACCOUNT	The name of the miner account on the Vaulta Network. Mining reward will be sent to this account.
AUTH_ACCOUNT	[New Parameter] account that authorize the transaction, also pay cpu/net, default to miner	=MINER_ACCOUNT
MINER_PERMISSION	permission used for sending transactions	active
PRIVATE_KEY	The private key that corresponds to the MINER_PERMISSION of AUTH_ACCOUNT, used for signing transactions
RPC_ENDPOINTS	A list of Vaulta RPC endpoints to connect to, comma-delimited. The list is a failover list.
PORT	The port to listen on for incoming EVM transactions.	50305
EVM_ACCOUNT		eosio.evm
EVM_SCOPE
MINER_FEE_MODE	Set how the miner collect fees after Vaulta-EVM upgrading to version 1. Can be CPU or FIXED.	FIXED
GAS_PER_CPU	priority_fee = cpu_per_us / GAS_PER_CPU * (1 + MINER_MARKUP_PERCENTAGE/100) * GAS_TOKEN_EXCHANGE_RATE if MINER_FEE_MODE=CPU	74
MINER_MARKUP_PERCENTAGE	priority_fee = cpu_per_us / GAS_PER_CPU * (1 + MINER_MARKUP_PERCENTAGE/100) * GAS_TOKEN_EXCHANGE_RATE if MINER_FEE_MODE=CPU	0
GAS_TOKEN_EXCHANGE_RATE	priority_fee = cpu_per_us / GAS_PER_CPU * (1 + MINER_MARKUP_PERCENTAGE/100) * GAS_TOKEN_EXCHANGE_RATE if MINER_FEE_MODE=CPU	1
FIXED_MINER_FEE	Fixed priority_fee in wei if MINER_FEE_MODE=FIXED.	0
EXPIRE_SEC	Expiration time when broadcasting Vaulta transaction.	60
RETRY_TX	Whether local Spring node should retry when broadcasting failed.	true
PRICING_ENDPOINTS	Endpoints used for querying CPU price. Mainly for tests. Only ONE url instead of a list should be put here.	null

Usage

⚠ You must have registered your miner

You must have registered your miner account on the Vaulta Network. Head over to our docs to learn all about mining, claiming your rewards, and more.

Get the code

git clone https://github.com/VaultaFoundation/evm-miner.git
cd evm-miner

Install dependencies

yarn

OR

npm install

Environment Variables

Copy the .env.example file to .env and fill in the environment variables.

Start mining

This command will build and run the node.

yarn mine

OR

npm run mine

If you want to just run the node without building, you can run:

yarn start

OR

npm run start

Logging

This project uses Winston for logging.

When you run the miner a directory called logs will be created in the root of the project. Inside you will find two log files, combined.log and error.log.