90 lines
3.4 KiB
Nim
90 lines
3.4 KiB
Nim
{.used.}
|
|
|
|
import
|
|
eth/common/eth_types
|
|
|
|
# proc default(t: typedesc): t = discard -- notused
|
|
|
|
# constants
|
|
const
|
|
UINT_256_MAX*: UInt256 = high(UInt256)
|
|
INT_256_MAX_AS_UINT256* = high(UInt256) shr 1
|
|
UINT160CEILING*: UInt256 = 2.u256.pow(160)
|
|
|
|
# Transactions to ZERO_ADDRESS are legitimate transfers to that account, not
|
|
# contract creations. They are used to "burn" Eth. People also send Eth to
|
|
# address zero by accident, unrecoverably, due to poor user interface issues.
|
|
ZERO_ADDRESS* = default(EthAddress)
|
|
|
|
# ZERO_HASH256 is the parent hash of genesis blocks.
|
|
ZERO_HASH256* = Hash256()
|
|
|
|
GAS_LIMIT_ADJUSTMENT_FACTOR* = 1_024
|
|
|
|
BLOCK_REWARD* = 5.u256 * 2.u256 # denoms.ether
|
|
|
|
UNCLE_DEPTH_PENALTY_FACTOR* = 8.u256
|
|
|
|
MAX_UNCLE_DEPTH* = 6.u256
|
|
MAX_UNCLES* = 2
|
|
|
|
GENESIS_BLOCK_NUMBER* = 0.toBlockNumber
|
|
GENESIS_DIFFICULTY* = 131_072.u256
|
|
GENESIS_GAS_LIMIT* = 3_141_592
|
|
GENESIS_PARENT_HASH* = ZERO_HASH256
|
|
GENESIS_COINBASE* = ZERO_ADDRESS
|
|
GENESIS_NONCE* = "\x00\x00\x00\x00\x00\x00\x00B"
|
|
GENESIS_MIX_HASH* = ZERO_HASH256
|
|
GENESIS_EXTRA_DATA* = ""
|
|
GAS_LIMIT_MINIMUM* = 5000
|
|
GAS_LIMIT_MAXIMUM* = high(GasInt)
|
|
DEFAULT_GAS_LIMIT* = 8_000_000
|
|
|
|
EMPTY_SHA3* = "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470".toDigest
|
|
|
|
GAS_MOD_EXP_QUADRATIC_DENOMINATOR* = 20.u256
|
|
|
|
MAX_PREV_HEADER_DEPTH* = 256.toBlockNumber
|
|
MaxCallDepth* = 1024
|
|
|
|
SECPK1_N* = UInt256.fromHex("fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141")
|
|
|
|
## Fork specific constants
|
|
|
|
# See EIP-170 (https://eips.ethereum.org/EIPS/eip-170). Maximum code size
|
|
# that can be stored for a new contract. Init code when creating a new
|
|
# contract is not subject to this limit.
|
|
EIP170_MAX_CODE_SIZE* = 0x6000
|
|
|
|
# See EIP-3860 (https://eips.ethereum.org/EIPS/eip-3860). Maximum initcode
|
|
# size when creating a new contract.
|
|
EIP3860_MAX_INITCODE_SIZE* = 2 * EIP170_MAX_CODE_SIZE
|
|
|
|
# EIP
|
|
MaxPrecompilesAddr* = 0xFFFF
|
|
|
|
EXTRA_SEAL* = ##\
|
|
## Fixed number of suffix bytes reserved for signer seal of the `extraData`
|
|
## header field. The 65 bytes constant value is for signatures based on the
|
|
## standard secp256k1 curve.
|
|
65
|
|
|
|
DEFAULT_RPC_GAS_CAP* = 50_000_000.GasInt
|
|
|
|
# EIP-4844 constants
|
|
MAX_CALLDATA_SIZE* = 1 shl 24 # 2^24
|
|
MAX_ACCESS_LIST_SIZE* = 1 shl 24 # 2^24
|
|
MAX_ACCESS_LIST_STORAGE_KEYS* = 1 shl 24 # 2^24
|
|
MAX_VERSIONED_HASHES_LIST_SIZE* = 1 shl 24 # 2^24
|
|
MAX_TX_WRAP_COMMITMENTS* = 1 shl 12 # 2^12
|
|
LIMIT_BLOBS_PER_TX* = 1 shl 12 # 2^12
|
|
BLOB_COMMITMENT_VERSION_KZG* = 0x01.byte
|
|
FIELD_ELEMENTS_PER_BLOB* = 4096
|
|
DATA_GAS_PER_BLOB* = (1 shl 17).uint64 # 2^17
|
|
TARGET_DATA_GAS_PER_BLOCK* = (1 shl 18).uint64 # 2^18
|
|
MIN_DATA_GASPRICE* = 1'u64
|
|
DATA_GASPRICE_UPDATE_FRACTION* = 2225652'u64
|
|
MAX_DATA_GAS_PER_BLOCK* = (1 shl 19).uint64 # 2^19
|
|
|
|
# End
|