NOTE: Where possible, based on the consensus algortithm selected, the Quorum Genesis Tool will create keys and genesis files for both HLF Besu and GoQuorum and you can pick the one you'd like to use. At present only QBFT has cross client compatibility.
Create the artifacts with:
npx quorum-genesis-tool
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Welcome to the Quorum Genesis Tool. This tool can be used
to rapidly generate genesis, account keys, and configs for Besu and GoQuorum.
To get started, be sure that you have read Besu and GoQuorum documentation regarding
genesis config options, then answer the following questions.
Which consensus algorithm will you use? Default: QBFT
1. IBFT1
2. IBFT2
3. QBFT
4. Clique
5. RAFT
Set your chainID value: (integer) Default: 1337
Set your blockperiodseconds value: (integer) Default: 5
(GoQ only) Set your emptyblockperiodseconds value: (integer) Default: 60
Set your requestTimeoutSeconds value: (integer) Default: 10
Set your epoch length value: (integer) Default: 30000
Set your difficulty: (integer) Default: 1
Set your gas limit value: (string) Default: 0xFFFF
Set your coinbase address for rewards: (string) Default: 0x0000000000000000000000000000000000000000
Set your max code size value: (integer) Default: 64
Set your transaction size limit value: (integer) Default: 64
Choose number of validator node keys to generate: (integer) Default: 4
Choose number of member node keys to generate: (integer) Default: 1
Choose number of bootnode node keys to generate: (integer) Default: 2
Set your account password: (empty for none)
This prompts you to pick a consensus algorithm variant, and specifics for your genesis file. By default,
artifact files are stored at ./output/<TIMESTAMP>, where TIMESTAMP is the time in a user friendly string:
Alternatively, you can use cli options and skip the prompt above like so:
npx quorum-genesis-tool --help
Options:
--help Show help [boolean]
--version Show version number [boolean]
--consensus Consensus algorithm to use
[string] [required] [choices: "ibft", "ibft2", "qbft", "clique", "raft"]
[default: "qbft"]
--chainID ChainID for blockchain
[number] [required] [default: 1337]
--blockperiod Number of seconds per block
[number] [required] [default: 5]
--requestTimeout Minimum request timeout for each round
[number] [default: 10]
--emptyBlockPeriod Reduce number (seconds) of blocks produced when there
are no transactions [number] [default: 60]
--epochLength Number of blocks after which votes reset
[number] [required] [default: 30000]
--difficulty Difficulty of network[number] [required] [default: 1]
--gasLimit Block gas limit
[string] [required] [default: "0xFFFF"]
--coinbase Address to pay mining rewards to
[string] [default: "0x0000000000000000000000000000000000000000"]
--maxCodeSize Maximum contract size (kb) [number] [default: 64]
--txnSizeLimit Maximum transaction size (kb) [number] [default: 64]
--validators Number of validator node keys to generate
[number] [required] [default: 4]
--members Number of member node keys to generate
[number] [required] [default: 1]
--bootnodes Number of bootnode node keys to generate
[number] [required] [default: 2]
--accountPassword Password for keys [string] [default: ""]
--outputPath Output path relative to current directory
[string] [default: "./output"]
--tesseraEnabled Whether to generate tessera keys
[boolean] [default: false]
--tesseraPassword Set password to encrypt generated keys
[string] [default: ""]
--quickstartDevAccounts Include quorum-dev-quickstart test accounts
[boolean] [required] [default: false]
--alloc Defines accounts with balances
[string] [default: "{}"]
To generate keys for QBFT (default) with 4 validators, 2 bootnodes and 2 members:
npx quorum-genesis-tool --consensus QBFT
To generate config for HLF Besu using QBFT
npx quorum-genesis-tool --consensus qbft --chainID 400 --blockperiod 5 --requestTimeout 10 --epochLength 30000 --difficulty 1 --gasLimit '0xFFFFFF' --coinbase '0x0000000000000000000000000000000000000000' --validators 4 --members 1 --bootnodes 0
To generate config for GoQuorum using IBFT
npx quorum-genesis-tool --consensus ibft --chainID 400 --blockperiod 5 --requestTimeout 10 --epochLength 30000 --difficulty 1 --gasLimit '0xFFFFFF' --coinbase '0x0000000000000000000000000000000000000000' --validators 4 --members 1 --bootnodes 0
Eth Accounts
For each node (bootnode/validator/member) an account is generated (files in their respective directories start with account*) to perform transactions and prefilled with a large balance. If you would like to remove or edit certain accounts from the genesis before the network has been spun up, you can find the genesis for Besu and goQuorum under each of their respective directories (besu/genesis.json or goQuorum/genesis.json).
If the flag quickstartDevAccounts is set to true, it will include the quorum-dev-quickstart test accounts. It is important to remove these accounts when going into production!
If the flag is not specified, then it will default to false with the assumption that the genesis is to be used in production. You should specify the flag only if you would like the accounts in testing/dev.
Tessera Passwords and Configuration
If you opt to provide a tesseraPassword to encrypt the tessera private keys, you will need to pass a passwordFile field with the password in a file. You will also need to update the privateKeyPath and publicKeyPath to the paths where you store your keys. See more here.
Once generated, the output should resemble the file structure below.
├── validator0
│ └── nodekey # the node private key
│ └── nodekey.pub # the node's public key which is used in the enode
│ └── address # the node's address which is used to vote the validator in/out
│ └── accountAddress # GoQuorum only - the accountAddress
│ └── accountKeystore # GoQuorum only - the account's v3 keystore
│ └── accountPassword # GoQuorum only - the account's password (you would have supplied this)
│ └── accountPrivateKey # GoQuorum only - the account's private key
│ └── ...
├── validatorN
│ └── nodekey # the node private key
│ └── nodekey.pub # the node's public key which is used in the enode
│ └── ...
|
├── bootnodeN
│ └── nodekey # the node private key
│ └── nodekey.pub # the node's public key which is used in the enode
│ └── ...
|
├── memberN
│ └── nodekey # the node private key
│ └── nodekey.pub # the node's public key which is used in the enode
│ └── ...
|
└── besu
│ └── static-nodes.json # a list of static nodes to make peering faster
│ └── genesis.json # this genesis file for any HLF Besu nodes
│ └── permissioned-nodes.json # local permissions for any HLF Besu node
│
└── goQuorum
│ └── static-nodes.json # a list of static nodes to make peering faster
│ └── genesis.json # this genesis file for any GoQuorum nodes
│ └── permissioned-nodes.json # local permissions for any GoQuorum node
│ └── disallowed-nodes.json # disallowed nodes for any GoQuorum node ie this new nodes will not connect to any nodes on this list
│
└── userData.json # this answers provided in a single map
└── README.md # this file
Please remember to do the following:
- Update the in both the permissions file and the static nodes files. Please note the selected ports are default and you may need to check firewall rules if using alternate ports
- As above, update the permissions.json files
- Update in every Besu nodes' config.toml
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