74 lines
2.8 KiB
Nim
74 lines
2.8 KiB
Nim
{.used.}
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import
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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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# Transactions to ZERO_ADDRESS are legitimate transfers to that account, not
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# contract creations. They are used to "burn" Eth. People also send Eth to
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# address zero by accident, unrecoverably, due to poor user interface issues.
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ZERO_ADDRESS* = default(EthAddress)
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# ZERO_HASH256 is the parent hash of genesis blocks.
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ZERO_HASH256* = Hash256()
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GAS_LIMIT_ADJUSTMENT_FACTOR* = 1_024
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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
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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_HASH256
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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_HASH256
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GENESIS_EXTRA_DATA* = ""
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GAS_LIMIT_MINIMUM* = 5000
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GAS_LIMIT_MAXIMUM* = high(GasInt)
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DEFAULT_GAS_LIMIT* = 8_000_000
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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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SECPK1_N* = UInt256.fromHex("fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141")
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## Fork specific constants
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# See EIP-170 (https://eips.ethereum.org/EIPS/eip-170). Maximum code size
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# that can be stored for a new contract. Init code when creating a new
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# contract is not subject to this limit.
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EIP170_MAX_CODE_SIZE* = 0x6000
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# EIP
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MaxPrecompilesAddr* = 0xFFFF
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EXTRA_SEAL* = ##\
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## Fixed number of suffix bytes reserved for signer seal of the `extraData`
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## header field. The 65 bytes constant value is for signatures based on the
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## standard secp256k1 curve.
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65
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DEFAULT_RPC_GAS_CAP* = 50_000_000.GasInt
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# End
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