64 lines
2.5 KiB
Nim
64 lines
2.5 KiB
Nim
import
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math, strutils, eth/common, nimcrypto/hash
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proc default(t: typedesc): t = discard
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# constants
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const
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UINT_256_MAX*: UInt256 = high(UInt256)
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INT_256_MAX_AS_UINT256* = high(Uint256) shr 1
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UINT160CEILING*: UInt256 = 2.u256.pow(160)
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ZERO_ADDRESS* = default(EthAddress)
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# TODO: use Option[EthAddress]?
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# create contract address cannot be ZERO_ADDRESS
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# because actual zero address exists
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CREATE_CONTRACT_ADDRESS* = ZERO_ADDRESS
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ZERO_HASH32* = Hash256()
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GAS_LIMIT_EMA_DENOMINATOR* = 1_024
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GAS_LIMIT_ADJUSTMENT_FACTOR* = 1_024
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GAS_LIMIT_USAGE_ADJUSTMENT_NUMERATOR* = 3
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GAS_LIMIT_USAGE_ADJUSTMENT_DENOMINATOR* = 2
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DIFFICULTY_ADJUSTMENT_DENOMINATOR* = 2_048.u256
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DIFFICULTY_MINIMUM* = 131_072.u256
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BYZANTIUM_DIFFICULTY_ADJUSTMENT_CUTOFF* = 9
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BOMB_EXPONENTIAL_PERIOD* = 100_000.u256
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BOMB_EXPONENTIAL_FREE_PERIODS* = 2.u256
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BLOCK_REWARD* = 5.u256 * 2.u256 # denoms.ether
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UNCLE_DEPTH_PENALTY_FACTOR* = 8.u256
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MAX_UNCLE_DEPTH* = 6.u256
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MAX_UNCLES* = 2.u256
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EMPTY_UNCLE_HASH* = "1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347".toDigest
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GENESIS_BLOCK_NUMBER* = 0.toBlockNumber
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GENESIS_DIFFICULTY* = 131_072.u256
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GENESIS_GAS_LIMIT* = 3_141_592
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GENESIS_PARENT_HASH* = ZERO_HASH32
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GENESIS_COINBASE* = ZERO_ADDRESS
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GENESIS_NONCE* = "\x00\x00\x00\x00\x00\x00\x00B"
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GENESIS_MIX_HASH* = ZERO_HASH32
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GENESIS_EXTRA_DATA* = ""
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GAS_LIMIT_MINIMUM* = 5000
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BLANK_ROOT_HASH* = "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421".toDigest
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EMPTY_SHA3* = "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470".toDigest
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GAS_MOD_EXP_QUADRATIC_DENOMINATOR* = 20.u256
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MAX_PREV_HEADER_DEPTH* = 256.toBlockNumber
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MaxCallDepth* = 1024
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## Fork specific constants
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# See: https://github.com/ethereum/EIPs/blob/master/EIPS/eip-170.md
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# and: https://github.com/ethereum/EIPs/issues/170
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EIP170_CODE_SIZE_LIMIT* = 24577
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