Automated gas consumption test: NFT

[taokayan]

Depends on #305

Develop automated tests to verify the gas consumption are same across the following executors (including using the latest gas algorithm with custom gas parameters):

• executor in the evm-runtime contract
• executor in evm-node
• executor used in gas estimation via rpc
• executor in transaction trace
• executor in vmTrace

for the following transactions:

• nft contract deployment
• create NFT token for 1st time
• create NFT token for 2nd time
• transfer NFT token to new account that doesn't have the NFT token
• transfer NFT token to existing account that has the NFT token

use eth-brownie to help us with the setup of the contracts (uniswap pools, nft, etc) and also with the interaction with the EVM since all our integration tests are using python already.

also look into hardhat.config used in eos-evm-node and also scripts.

measure the executor in the evm-runtime contract by using the balance difference and the gas price