mev_geth/ is a fork with a websocket branch, diff (WIP)
index.js is a example relay ws server that submits bundles
Instructions
- Install server dependencies with
yarn install - Run WS server first with
yarn start(in root folder) - Setup private chain datadir and genesis with
rm -rf datadir/ && make geth && ./build/bin/geth init --datadir datadir genesis.json(in mev-geth folder) - Run MEV-Geth:
./build/bin/geth --datadir datadir --rpc --rpcapi debug,personal,eth,net,web3,txpool,admin,miner --miner.etherbase=0xd912aecb07e9f4e1ea8e6b4779e7fb6aa1c3e4d8 --miner.gasprice 0 --mine --miner.threads=8 --relayWSURL="localhost:8080" --relayWSKey="secretABC"
Output
- WS Server
connected?
sending: ping
received: pong
Funding account.....
sending: ping
received: pong
Balance: 1000000000000000000
Submitting bundle
Miner before 1157000000000000000000
Miner after 1159020000000000000000
Profit (ETH) 0.02
Profit equals bribe? true
- MEV-Geth
INFO [04-20|09:22:37.879] Flashbots bundle ethToCoinbase=20000000000000000 gasUsed=42000 bundlePrice=476190476190 bundleLength=2
INFO [04-20|09:22:37.889] Commit new mining work number=16 sealhash="2d6cec…8c8368" uncles=0 txs=0 gas=0 fees=0 elapsed=7.682ms isFlashbots=false
INFO [04-20|09:22:37.889] Proposed miner block blockNumber=16 profit=0 isFlashbots=false sealhash="2d6cec…8c8368" parentHash="4f2e21…cff0bc"
INFO [04-20|09:22:37.893] Commit new mining work number=16 sealhash="42af94…09c27f" uncles=0 txs=2 gas=42000 fees=0 elapsed=24.225ms isFlashbots=true
INFO [04-20|09:22:37.894] Proposed miner block blockNumber=16 profit=20000000000000000 isFlashbots=true sealhash="42af94…09c27f" parentHash="4f2e21…cff0bc"
INFO [04-20|09:22:38.577] Generating DAG in progress epoch=1 percentage=7 elapsed=7.871s
INFO [04-20|09:22:38.587] Successfully sealed new block number=16 sealhash="42af94…09c27f" hash="1bba33…d5362e" elapsed=693.521ms
INFO [04-20|09:22:38.587] 🔗 block reached canonical chain number=9 hash="14b5ff…aac587"