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nimbus-eth1
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Adding fork info

This commit is contained in:
Coffepots 2018-04-05 18:32:18 +01:00
parent 00a0aa9970
commit b40b3e078c
1 changed files with 36 additions and 5 deletions
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41
src/constants.nim
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@ -132,11 +132,10 @@ let
UINT_256_CEILING*: UInt256 = 2 ^ 256
UINT_255_MAX*: UInt256 = 2 ^ (255 - 1) - 1.u256
UINT_255_CEILING*: UInt256 = 2 ^ 255
UINT_256_CEILING_INT*: Int256 = 2.i256 ^ 256
UINT_256_CEILING_INT*: Int256 = max[Int256]() #2.i256 ^ 256
UINT_255_MAX_INT*: Int256 = 2.i256 ^ (255 - 1) - 1.i256
UINT_256_MAX_INT*: Int256 = 2.i256 ^ 256 - 1.i256
UINT_255_CEILING_INT*: Int256 = 2.i256 ^ 255
UINT_255_CEILING_INT*: Int256 = 2.i256 ^ 255 - 1.i256
NULLBYTE* = "\x00"
EMPTYWORD* = repeat(NULLBYTE, 32)
UINT160CEILING*: UInt256 = 2 ^ 160
@ -207,10 +206,11 @@ let
GAS_LIMIT_MAXIMUM*: UInt256 = 2 ^ 63 - 1.u256
GAS_LIMIT_USAGE_ADJUSTMENT_NUMERATOR* = 3.u256
GAS_LIMIT_USAGE_ADJUSTMENT_DENOMINATOR* = 2.u256
DIFFICULTY_ADJUSTMENT_DENOMINATOR* = 2_048.u256
DIFFICULTY_MINIMUM* = 131_072.u256
BYZANTIUM_DIFFICULTY_ADJUSTMENT_CUTOFF* = 9
BOMB_EXPONENTIAL_PERIOD* = 100_000.u256
BOMB_EXPONENTIAL_FREE_PERIODS* = 2.u256
@ -239,6 +239,7 @@ let
GENESIS_NONCE* = "\x00\x00\x00\x00\x00\x00\x00B"
GENESIS_MIX_HASH* = ZERO_HASH32
GENESIS_EXTRA_DATA* = ""
GAS_LIMIT_MINIMUM* = 5000.u256
EMPTYSHA3 = "\xc5\xd2F\x01\x86\xf7#<\x92~}\xb2\xdc\xc7\x03\xc0\xe5\x00\xb6S\xca\x82';{\xfa\xd8\x04]\x85\xa4p"
BLANK_ROOT_HASH* = "V\xe8\x1f\x17\x1b\xccU\xa6\xff\x83E\xe6\x92\xc0\xf8n[H\xe0\x1b\x99l\xad\xc0\x01b/\xb5\xe3c\xb4!"
@ -247,3 +248,33 @@ let
MAX_PREV_HEADER_DEPTH* = 256.u256
FORK_ICEAGE_BLKNUM* = 200_000.u256
FORK_HOMESTED_BLKNUM* = 1_150_000.u256
FORK_DAO_BLKNUM* = 1_920_000.u256
FORK_TANGERINE_WHISTLE_BLKNUM* = 2_463_000.u256
FORK_SPURIOUS_DRAGON_BLKNUM* = 2_675_000.u256
FORK_BYZANTIUM_BLKNUM* = 4_370_000.u256
# TODO: Move the below to a new utils unit?
type
Fork = enum fkUnknown, fkFrontier, fkIceAge, fkHomested, fkDao, fkTangerineWhistle, fkSpuriousDragon, fkByzantium
UInt256Pair = tuple[a: Uint256, b: Uint256]
proc `..`*(a, b: Uint256): UInt256Pair = (a, b)
proc contains*(ab: UInt256Pair, v: UInt256): bool =
return v >= ab[0] and v <= ab[1]
proc toFork*(blockNumber: UInt256): Fork =
result = fkUnknown
let one = u256(1)
if blockNumber in u256(0)..FORK_ICEAGE_BLKNUM - one: result = fkFrontier
elif blockNumber in FORK_ICEAGE_BLKNUM..FORK_HOMESTED_BLKNUM - one: result = fkIceAge
elif blockNumber in FORK_HOMESTED_BLKNUM..FORK_DAO_BLKNUM - one: result = fkHomested
elif blockNumber in FORK_DAO_BLKNUM..FORK_TANGERINE_WHISTLE_BLKNUM - one: result = fkDao
elif blockNumber in FORK_TANGERINE_WHISTLE_BLKNUM..FORK_SPURIOUS_DRAGON_BLKNUM - one: result = fkTangerineWhistle
elif blockNumber in FORK_SPURIOUS_DRAGON_BLKNUM..FORK_BYZANTIUM_BLKNUM - one: result = fkSpuriousDragon
else:
if blockNumber >= FORK_BYZANTIUM_BLKNUM: result = fkByzantium # Update for constantinople when announced