Table 1.
Configuration parameters for private Ethereum network and PoA support.
| Parameter | Value | Description |
|---|---|---|
| eip150Block | 2 | EIP150 since block #2: improvements for denial-of-service |
| eip150Hash | 0x0 | needed for fast sync |
| eip155Block | 3 | EIP155 since block #3: preventing replay attacks. |
| eip158Block | 3 | EIP158 since block #3: treating empty accounts as non-existent |
| epoch_lng | 30000 | Number of blocks after resetting pending votes |
| block_period | 10 s | Minimum difference between two consecutive block’s timestamps |
| extra-data | 65 bytes | Extra-data of each block enough to store the miner’s signature |
| nonce | {0xf, 0x0} | Vote on adding a new signer (0xf) or removing a signer (0x0) |
| signer_count | 3 | Number of authorized signers valid at a particular chain instance |
| signer_limit | 2 | Signer signs only one block out of signer_limit consecutive blocks for an in-turn signature |
| difficulty | {1, 2} | Block difficulty for blocks containing in-turn signatures (1) and out-of-turn signatures (2), with slight penalization |