# Stint # Copyright 2018-2023 Status Research & Development GmbH # Licensed under either of # # * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0) # * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT) # # at your option. This file may not be copied, modified, or distributed except according to those terms. import ../stint, unittest, strutils, math, test_helpers, tables, std/strformat import stew/byteutils func significantBytesBE(val: openArray[byte]): int = ## Returns the number of significant trailing bytes in a big endian ## representation of a number. # TODO: move that in https://github.com/status-im/nim-byteutils for i in 0 ..< val.len: if val[i] != 0: return val.len - i return 1 template nativeStuint(chk, nint: untyped, bits: int) = chk $(nint.stuint(bits)) == $(nint) template nativeStint(chk, nint: untyped, bits: int) = chk $(nint.stint(bits)) == $(nint) template chkTruncateStuint(chk, number, toType: untyped, bits: int) = chk (number.stuint(bits)).truncate(toType) == toType(number) template chkTruncateStint(chk, number, toType: untyped, bits: int) = chk (number.stint(bits)).truncate(toType) == toType(number) template chkTruncateStint(chk, number, toType: untyped, res: string, bits: int) = block: let x = (number.stint(bits)).truncate(toType).toHex() chk "0x" & x == res template chkRoundTripStuint(chk: untyped, prefix, str: string, bits, radix: int) = block: let data = prefix & str let x = parse(data, StUint[bits], radix) let y = x.toString(radix) chk y == str template chkRoundTripStuint(chk: untyped, str: string, bits, radix: int) = chkRoundTripStuint(chk, "", str, bits, radix) template chkRoundTripStint(chk: untyped, prefix, str: string, bits, radix: int) = block: let data = prefix & str let x = parse(data, StInt[bits], radix) let y = x.toString(radix) chk y == str template chkRoundTripStint(chk: untyped, str: string, bits, radix: int) = chkRoundTripStint(chk, "", str, bits, radix) template chkRoundTripBin(chk, chkProc: untyped, bits, rep: int) = chkProc(chk, "0", bits, 2) chkProc(chk, repeat("1", rep), bits, 2) chkProc(chk, repeat("1010", rep), bits, 2) chkProc(chk, repeat("1111", rep), bits, 2) chkProc(chk, repeat("11110000", rep), bits, 2) chkProc(chk, repeat("10101010", rep), bits, 2) chkProc(chk, repeat("1010101", rep), bits, 2) chkProc(chk, repeat("11111111", rep), bits, 2) template chkRoundTripHex(chk, chkProc: untyped, bits, rep: int) = chkProc(chk, "0", bits, 16) chkProc(chk, repeat("1", rep), bits, 16) chkProc(chk, repeat("7", rep), bits, 16) chkProc(chk, repeat("f", rep), bits, 16) chkProc(chk, repeat("aa", rep), bits, 16) chkProc(chk, repeat("ff", rep), bits, 16) chkProc(chk, repeat("f0", rep), bits, 16) template chkRoundTripOct(chk, chkProc: untyped, bits, rep: int) = chkProc(chk, "0", bits, 8) chkProc(chk, repeat("1", rep), bits, 8) chkProc(chk, repeat("7", rep), bits, 8) chkProc(chk, repeat("177", rep), bits, 8) template chkRoundTripDec(chk, chkProc: untyped, bits, rep: int) = chkProc(chk, "0", bits, 10) chkProc(chk, repeat("1", rep), bits, 10) chkProc(chk, repeat("9", rep), bits, 10) func toByteArray(x: static[string]): auto {.compileTime.} = var ret: array[x.len, byte] for i, b in x: ret[i] = byte(b) ret template chkRoundtripBE(chk: untyped, str: string, bits: int) = block: const data = toByteArray(str) var x: StUint[bits] initFromBytesBE(x, data) let y = toByteArrayBE(x) chk y == data template chkCTvsRT(chk: untyped, num: untyped, bits: int) = block: let x = stuint(num, bits) let y = toByteArrayBE(x) const xx = stuint(num, bits) const yy = toByteArrayBE(xx) chk y == yy template chkDumpHexStuint(chk: untyped, BE, LE: string, bits: int) = block: let data = BE let x = fromHex(StUint[bits], data) chk dumpHex(x, bigEndian) == data chk dumpHex(x, littleEndian) == LE template chkDumpHexStint(chk: untyped, BE, LE: string, bits: int) = block: let data = BE let x = fromHex(StInt[bits], data) chk dumpHex(x, bigEndian) == data chk dumpHex(x, littleEndian) == LE template testIO(chk, tst, handleErr: untyped) = tst "[stuint] Creation from native ints": nativeStuint(chk, 0, 64) nativeStuint(chk, 0'u8, 64) nativeStuint(chk, high(uint8), 64) nativeStuint(chk, low(uint8), 64) nativeStuint(chk, high(int8), 64) nativeStuint(chk, 0'u16, 64) nativeStuint(chk, high(uint16), 64) nativeStuint(chk, low(uint16), 64) nativeStuint(chk, high(int16), 64) nativeStuint(chk, 0'u32, 64) nativeStuint(chk, high(uint32), 64) nativeStuint(chk, low(uint32), 64) nativeStuint(chk, high(int32), 64) nativeStuint(chk, 0'u64, 64) nativeStuint(chk, high(uint64), 64) nativeStuint(chk, low(uint64), 64) nativeStuint(chk, high(int64), 64) when sizeof(uint) == 8: nativeStuint(chk, high(uint), 64) nativeStuint(chk, low(uint), 64) nativeStuint(chk, high(int), 64) nativeStuint(chk, 0, 128) nativeStuint(chk, 0'u8, 128) nativeStuint(chk, high(uint8), 128) nativeStuint(chk, low(uint8), 128) nativeStuint(chk, high(int8), 128) nativeStuint(chk, 0'u16, 128) nativeStuint(chk, high(uint16), 128) nativeStuint(chk, low(uint16), 128) nativeStuint(chk, high(int16), 128) nativeStuint(chk, 0'u32, 128) nativeStuint(chk, high(uint32), 128) nativeStuint(chk, low(uint32), 128) nativeStuint(chk, high(int32), 128) nativeStuint(chk, 0'u64, 128) nativeStuint(chk, high(uint64), 128) nativeStuint(chk, low(uint64), 128) nativeStuint(chk, high(int64), 128) tst "[stint] Creation from native ints": nativeStint(chk, 0, 64) nativeStint(chk, 0'u8, 64) nativeStint(chk, high(int8), 64) nativeStint(chk, low(int8), 64) nativeStint(chk, low(uint8), 64) nativeStint(chk, 0'u16, 64) nativeStint(chk, high(int16), 64) nativeStint(chk, low(int16), 64) nativeStint(chk, low(uint16), 64) nativeStint(chk, 0'u32, 64) nativeStint(chk, high(int32), 64) nativeStint(chk, low(int32), 64) nativeStint(chk, low(uint32), 64) nativeStint(chk, 0'u64, 64) nativeStint(chk, high(int64), 64) nativeStint(chk, low(int64), 64) nativeStint(chk, low(uint64), 64) when sizeof(uint) == 8: nativeStint(chk, high(int), 64) nativeStint(chk, low(int), 64) nativeStint(chk, low(uint), 64) nativeStint(chk, 0, 128) nativeStint(chk, 0'u8, 128) nativeStint(chk, high(int8), 128) nativeStint(chk, low(uint8), 128) nativeStint(chk, 0'u16, 128) nativeStint(chk, high(int16), 128) nativeStint(chk, low(uint16), 128) nativeStint(chk, 0'u32, 128) nativeStint(chk, high(int32), 128) nativeStint(chk, low(uint32), 128) nativeStint(chk, 0'u64, 128) nativeStint(chk, high(int64), 128) nativeStint(chk, low(uint64), 128) nativeStint(chk, low(int8), 128) nativeStint(chk, low(int16), 128) nativeStint(chk, low(int32), 128) nativeStint(chk, low(int64), 128) tst "[stuint] truncate": chkTruncateStuint(chk, low(uint8), uint8, 64) chkTruncateStuint(chk, high(uint8), uint8, 64) chkTruncateStuint(chk, high(int8), uint8, 64) chkTruncateStuint(chk, high(int8), int8, 64) chkTruncateStuint(chk, low(uint8), uint16, 64) chkTruncateStuint(chk, high(uint8), uint16, 64) chkTruncateStuint(chk, high(int8), uint16, 64) chkTruncateStuint(chk, high(int8), int16, 64) chkTruncateStuint(chk, low(uint16), uint16, 64) chkTruncateStuint(chk, high(uint16), uint16, 64) chkTruncateStuint(chk, high(int16), uint16, 64) chkTruncateStuint(chk, high(int16), int16, 64) chkTruncateStuint(chk, low(uint8), uint32, 64) chkTruncateStuint(chk, high(uint8), uint32, 64) chkTruncateStuint(chk, high(int8), uint32, 64) chkTruncateStuint(chk, high(int8), int32, 64) chkTruncateStuint(chk, low(uint16), uint32, 64) chkTruncateStuint(chk, high(uint16), uint32, 64) chkTruncateStuint(chk, high(int16), uint32, 64) chkTruncateStuint(chk, high(int16), int32, 64) chkTruncateStuint(chk, low(uint32), uint32, 64) chkTruncateStuint(chk, high(uint32), uint32, 64) chkTruncateStuint(chk, high(int32), uint32, 64) chkTruncateStuint(chk, high(int32), int32, 64) chkTruncateStuint(chk, low(uint8), uint64, 64) chkTruncateStuint(chk, high(uint8), uint64, 64) chkTruncateStuint(chk, high(int8), uint64, 64) chkTruncateStuint(chk, high(int8), int64, 64) chkTruncateStuint(chk, low(uint16), uint64, 64) chkTruncateStuint(chk, high(uint16), uint64, 64) chkTruncateStuint(chk, high(int16), uint64, 64) chkTruncateStuint(chk, high(int16), int64, 64) chkTruncateStuint(chk, low(uint32), uint64, 64) chkTruncateStuint(chk, high(uint32), uint64, 64) chkTruncateStuint(chk, high(int32), uint64, 64) chkTruncateStuint(chk, high(int32), int64, 64) chkTruncateStuint(chk, low(uint64), uint64, 64) chkTruncateStuint(chk, high(uint64), uint64, 64) chkTruncateStuint(chk, high(int64), uint64, 64) chkTruncateStuint(chk, high(int64), int64, 64) chkTruncateStuint(chk, low(uint8), uint8, 128) chkTruncateStuint(chk, high(uint8), uint8, 128) chkTruncateStuint(chk, high(int8), uint8, 128) chkTruncateStuint(chk, high(int8), int8, 128) chkTruncateStuint(chk, low(uint8), uint16, 128) chkTruncateStuint(chk, high(uint8), uint16, 128) chkTruncateStuint(chk, high(int8), uint16, 128) chkTruncateStuint(chk, high(int8), int16, 128) chkTruncateStuint(chk, low(uint16), uint16, 128) chkTruncateStuint(chk, high(uint16), uint16, 128) chkTruncateStuint(chk, high(int16), uint16, 128) chkTruncateStuint(chk, high(int16), int16, 128) chkTruncateStuint(chk, low(uint8), uint32, 128) chkTruncateStuint(chk, high(uint8), uint32, 128) chkTruncateStuint(chk, high(int8), uint32, 128) chkTruncateStuint(chk, high(int8), int32, 128) chkTruncateStuint(chk, low(uint16), uint32, 128) chkTruncateStuint(chk, high(uint16), uint32, 128) chkTruncateStuint(chk, high(int16), uint32, 128) chkTruncateStuint(chk, high(int16), int32, 128) chkTruncateStuint(chk, low(uint32), uint32, 128) chkTruncateStuint(chk, high(uint32), uint32, 128) chkTruncateStuint(chk, high(int32), uint32, 128) chkTruncateStuint(chk, high(int32), int32, 128) chkTruncateStuint(chk, low(uint8), uint64, 128) chkTruncateStuint(chk, high(uint8), uint64, 128) chkTruncateStuint(chk, high(int8), uint64, 128) chkTruncateStuint(chk, high(int8), int64, 128) chkTruncateStuint(chk, low(uint16), uint64, 128) chkTruncateStuint(chk, high(uint16), uint64, 128) chkTruncateStuint(chk, high(int16), uint64, 128) chkTruncateStuint(chk, high(int16), int64, 128) chkTruncateStuint(chk, low(uint32), uint64, 128) chkTruncateStuint(chk, high(uint32), uint64, 128) chkTruncateStuint(chk, high(int32), uint64, 128) chkTruncateStuint(chk, high(int32), int64, 128) chkTruncateStuint(chk, low(uint64), uint64, 128) chkTruncateStuint(chk, high(uint64), uint64, 128) chkTruncateStuint(chk, high(int64), uint64, 128) chkTruncateStuint(chk, high(int64), int64, 128) tst "[stint] truncate": chkTruncateStint(chk, 10, uint8, 64) chkTruncateStint(chk, 10, int8, 64) chkTruncateStint(chk, -10, int8, 64) chkTruncateStint(chk, low(uint8), uint8, 64) chkTruncateStint(chk, low(int8), int8, 64) chkTruncateStint(chk, high(int8), uint8, 64) chkTruncateStint(chk, high(int8), int8, 64) handleErr OverflowDefect: chkTruncateStint(chk, low(int8), uint8, "0x80", 64) chkTruncateStint(chk, low(uint8), uint16, 64) chkTruncateStint(chk, low(int8), int16, 64) chkTruncateStint(chk, high(int8), uint16, 64) chkTruncateStint(chk, high(int8), int16, 64) handleErr OverflowDefect: chkTruncateStint(chk, low(int8), uint16, "0xFF80", 64) chkTruncateStint(chk, low(uint16), uint16, 64) chkTruncateStint(chk, low(int16), int16, 64) chkTruncateStint(chk, high(int16), uint16, 64) chkTruncateStint(chk, high(int16), int16, 64) handleErr OverflowDefect: chkTruncateStint(chk, low(int16), uint16, "0x8000", 64) chkTruncateStint(chk, low(uint8), uint32, 64) chkTruncateStint(chk, low(int8), int32, 64) chkTruncateStint(chk, high(int8), uint32, 64) chkTruncateStint(chk, high(int8), int32, 64) handleErr OverflowDefect: chkTruncateStint(chk, low(int8), uint32, "0xFFFFFF80", 64) chkTruncateStint(chk, low(uint16), uint32, 64) chkTruncateStint(chk, low(int16), int32, 64) chkTruncateStint(chk, high(int16), uint32, 64) chkTruncateStint(chk, high(int16), int32, 64) handleErr OverflowDefect: chkTruncateStint(chk, low(int16), uint32, "0xFFFF8000", 64) chkTruncateStint(chk, low(uint32), uint32, 64) chkTruncateStint(chk, low(int32), int32, 64) chkTruncateStint(chk, high(int32), uint32, 64) chkTruncateStint(chk, high(int32), int32, 64) handleErr OverflowDefect: chkTruncateStint(chk, low(int32), uint32, "0x80000000", 64) chkTruncateStint(chk, low(uint8), uint64, 64) chkTruncateStint(chk, low(int8), int64, 64) chkTruncateStint(chk, high(int8), uint64, 64) chkTruncateStint(chk, high(int8), int64, 64) handleErr OverflowDefect: chkTruncateStint(chk, low(int8), uint64, "0xFFFFFFFFFFFFFF80", 64) chkTruncateStint(chk, low(uint16), uint64, 64) chkTruncateStint(chk, low(int16), int64, 64) chkTruncateStint(chk, high(int16), uint64, 64) chkTruncateStint(chk, high(int16), int64, 64) handleErr OverflowDefect: chkTruncateStint(chk, low(int16), uint64, "0xFFFFFFFFFFFF8000", 64) chkTruncateStint(chk, low(uint32), uint64, 64) chkTruncateStint(chk, low(int32), int64, 64) chkTruncateStint(chk, high(int32), uint64, 64) chkTruncateStint(chk, high(int32), int64, 64) handleErr OverflowDefect: chkTruncateStint(chk, low(int32), uint64, "0xFFFFFFFF80000000", 64) chkTruncateStint(chk, low(uint64), uint64, 64) chkTruncateStint(chk, low(int64), int64, 64) chkTruncateStint(chk, high(int64), uint64, 64) chkTruncateStint(chk, high(int64), int64, 64) handleErr OverflowDefect: chkTruncateStint(chk, low(int64), uint64, "0x8000000000000000", 64) chkTruncateStint(chk, low(uint8), uint8, 128) chkTruncateStint(chk, low(int8), int8, 128) chkTruncateStint(chk, high(int8), uint8, 128) chkTruncateStint(chk, high(int8), int8, 128) handleErr OverflowDefect: chkTruncateStint(chk, low(int8), uint8, "0x80", 128) chkTruncateStint(chk, low(uint8), uint16, 128) chkTruncateStint(chk, low(int8), int16, 128) chkTruncateStint(chk, high(int8), uint16, 128) chkTruncateStint(chk, high(int8), int16, 128) handleErr OverflowDefect: chkTruncateStint(chk, low(int8), uint16, "0xFF80", 128) chkTruncateStint(chk, low(uint16), uint16, 128) chkTruncateStint(chk, low(int16), int16, 128) chkTruncateStint(chk, high(int16), uint16, 128) chkTruncateStint(chk, high(int16), int16, 128) handleErr OverflowDefect: chkTruncateStint(chk, low(int16), uint16, "0x8000", 128) chkTruncateStint(chk, low(uint8), uint32, 128) chkTruncateStint(chk, low(int8), int32, 128) chkTruncateStint(chk, high(int8), uint32, 128) chkTruncateStint(chk, high(int8), int32, 128) handleErr OverflowDefect: chkTruncateStint(chk, low(int8), uint32, "0xFFFFFF80", 128) chkTruncateStint(chk, low(uint16), uint32, 128) chkTruncateStint(chk, low(int16), int32, 128) chkTruncateStint(chk, high(int16), uint32, 128) chkTruncateStint(chk, high(int16), int32, 128) handleErr OverflowDefect: chkTruncateStint(chk, low(int16), uint32, "0xFFFF8000", 128) chkTruncateStint(chk, low(uint32), uint32, 128) chkTruncateStint(chk, low(int32), int32, 128) chkTruncateStint(chk, high(int32), uint32, 128) chkTruncateStint(chk, high(int32), int32, 128) handleErr OverflowDefect: chkTruncateStint(chk, low(int32), uint32, "0x80000000", 128) chkTruncateStint(chk, low(uint8), uint64, 128) chkTruncateStint(chk, low(int8), int64, 128) chkTruncateStint(chk, high(int8), uint64, 128) chkTruncateStint(chk, high(int8), int64, 128) handleErr OverflowDefect: chkTruncateStint(chk, low(int8), uint64, "0xFFFFFFFFFFFFFF80", 128) chkTruncateStint(chk, low(uint16), uint64, 128) chkTruncateStint(chk, low(int16), int64, 128) chkTruncateStint(chk, high(int16), uint64, 128) chkTruncateStint(chk, high(int16), int64, 128) handleErr OverflowDefect: chkTruncateStint(chk, low(int16), uint64, "0xFFFFFFFFFFFF8000", 128) chkTruncateStint(chk, low(uint32), uint64, 128) chkTruncateStint(chk, low(int32), int64, 128) chkTruncateStint(chk, high(int32), uint64, 128) chkTruncateStint(chk, high(int32), int64, 128) handleErr OverflowDefect: chkTruncateStint(chk, low(int32), uint64, "0xFFFFFFFF80000000", 128) chkTruncateStint(chk, low(uint64), uint64, 128) chkTruncateStint(chk, low(int64), int64, 128) chkTruncateStint(chk, high(int64), uint64, 128) chkTruncateStint(chk, high(int64), int64, 128) handleErr OverflowDefect: chkTruncateStint(chk, low(int64), uint64, "0x8000000000000000", 128) tst "[stuint] parse - toString roundtrip": chkRoundTripBin(chk, chkRoundTripStuint, 64, 1) chkRoundTripBin(chk, chkRoundTripStuint, 64, 2) chkRoundTripBin(chk, chkRoundTripStuint, 64, 3) chkRoundTripBin(chk, chkRoundTripStuint, 64, 4) chkRoundTripBin(chk, chkRoundTripStuint, 64, 5) chkRoundTripBin(chk, chkRoundTripStuint, 64, 6) chkRoundTripBin(chk, chkRoundTripStuint, 64, 7) chkRoundTripBin(chk, chkRoundTripStuint, 64, 8) chkRoundTripBin(chk, chkRoundTripStuint, 128, 1) chkRoundTripBin(chk, chkRoundTripStuint, 128, 2) chkRoundTripBin(chk, chkRoundTripStuint, 128, 3) chkRoundTripBin(chk, chkRoundTripStuint, 128, 4) chkRoundTripBin(chk, chkRoundTripStuint, 128, 5) chkRoundTripBin(chk, chkRoundTripStuint, 128, 6) chkRoundTripBin(chk, chkRoundTripStuint, 128, 7) chkRoundTripBin(chk, chkRoundTripStuint, 128, 8) chkRoundTripBin(chk, chkRoundTripStuint, 128, 9) chkRoundTripBin(chk, chkRoundTripStuint, 128, 10) chkRoundTripBin(chk, chkRoundTripStuint, 128, 11) chkRoundTripBin(chk, chkRoundTripStuint, 128, 12) chkRoundTripBin(chk, chkRoundTripStuint, 128, 13) chkRoundTripBin(chk, chkRoundTripStuint, 128, 14) chkRoundTripBin(chk, chkRoundTripStuint, 128, 15) chkRoundTripBin(chk, chkRoundTripStuint, 128, 16) chkRoundTripHex(chk, chkRoundTripStuint, 64, 1) chkRoundTripHex(chk, chkRoundTripStuint, 64, 2) chkRoundTripHex(chk, chkRoundTripStuint, 64, 3) chkRoundTripHex(chk, chkRoundTripStuint, 64, 4) chkRoundTripHex(chk, chkRoundTripStuint, 64, 5) chkRoundTripHex(chk, chkRoundTripStuint, 64, 6) chkRoundTripHex(chk, chkRoundTripStuint, 64, 7) chkRoundTripHex(chk, chkRoundTripStuint, 64, 8) chkRoundTripHex(chk, chkRoundTripStuint, 128, 1) chkRoundTripHex(chk, chkRoundTripStuint, 128, 2) chkRoundTripHex(chk, chkRoundTripStuint, 128, 3) chkRoundTripHex(chk, chkRoundTripStuint, 128, 4) chkRoundTripHex(chk, chkRoundTripStuint, 128, 5) chkRoundTripHex(chk, chkRoundTripStuint, 128, 6) chkRoundTripHex(chk, chkRoundTripStuint, 128, 7) chkRoundTripHex(chk, chkRoundTripStuint, 128, 8) chkRoundTripHex(chk, chkRoundTripStuint, 128, 9) chkRoundTripHex(chk, chkRoundTripStuint, 128, 10) chkRoundTripHex(chk, chkRoundTripStuint, 128, 11) chkRoundTripHex(chk, chkRoundTripStuint, 128, 12) chkRoundTripHex(chk, chkRoundTripStuint, 128, 13) chkRoundTripHex(chk, chkRoundTripStuint, 128, 14) chkRoundTripHex(chk, chkRoundTripStuint, 128, 15) chkRoundTripHex(chk, chkRoundTripStuint, 128, 16) chkRoundTripOct(chk, chkRoundTripStuint, 64, 1) chkRoundTripOct(chk, chkRoundTripStuint, 64, 2) chkRoundTripOct(chk, chkRoundTripStuint, 64, 3) chkRoundTripOct(chk, chkRoundTripStuint, 64, 4) chkRoundTripOct(chk, chkRoundTripStuint, 64, 5) chkRoundTripOct(chk, chkRoundTripStuint, 64, 6) chkRoundTripOct(chk, chkRoundTripStuint, 64, 7) chkRoundTripStuint(chk, "377", 64, 8) chkRoundTripStuint(chk, "177777", 64, 8) chkRoundTripStuint(chk, "37777777777", 64, 8) chkRoundTripStuint(chk, "1777777777777777777777", 64, 8) chkRoundTripOct(chk, chkRoundTripStuint, 128, 1) chkRoundTripOct(chk, chkRoundTripStuint, 128, 2) chkRoundTripOct(chk, chkRoundTripStuint, 128, 3) chkRoundTripOct(chk, chkRoundTripStuint, 128, 4) chkRoundTripOct(chk, chkRoundTripStuint, 128, 5) chkRoundTripOct(chk, chkRoundTripStuint, 128, 6) chkRoundTripOct(chk, chkRoundTripStuint, 128, 7) chkRoundTripOct(chk, chkRoundTripStuint, 128, 8) chkRoundTripOct(chk, chkRoundTripStuint, 128, 9) chkRoundTripOct(chk, chkRoundTripStuint, 128, 10) chkRoundTripOct(chk, chkRoundTripStuint, 128, 11) chkRoundTripOct(chk, chkRoundTripStuint, 128, 12) chkRoundTripOct(chk, chkRoundTripStuint, 128, 13) chkRoundTripOct(chk, chkRoundTripStuint, 128, 14) chkRoundTripStuint(chk, "377", 128, 8) chkRoundTripStuint(chk, "177777", 128, 8) chkRoundTripStuint(chk, "37777777777", 128, 8) chkRoundTripStuint(chk, "1777777777777777777777", 128, 8) chkRoundTripStuint(chk, "3777777777777777777777777777777777777777777", 128, 8) chkRoundTripDec(chk, chkRoundTripStuint, 64, 1) chkRoundTripDec(chk, chkRoundTripStuint, 64, 2) chkRoundTripDec(chk, chkRoundTripStuint, 64, 3) chkRoundTripDec(chk, chkRoundTripStuint, 64, 4) chkRoundTripDec(chk, chkRoundTripStuint, 64, 5) chkRoundTripDec(chk, chkRoundTripStuint, 64, 6) chkRoundTripDec(chk, chkRoundTripStuint, 64, 7) chkRoundTripStuint(chk, "255", 64, 10) chkRoundTripStuint(chk, "65535", 64, 10) chkRoundTripStuint(chk, "4294967295", 64, 10) chkRoundTripStuint(chk, "18446744073709551615", 64, 10) chkRoundTripDec(chk, chkRoundTripStuint, 128, 1) chkRoundTripDec(chk, chkRoundTripStuint, 128, 2) chkRoundTripDec(chk, chkRoundTripStuint, 128, 3) chkRoundTripDec(chk, chkRoundTripStuint, 128, 4) chkRoundTripDec(chk, chkRoundTripStuint, 128, 5) chkRoundTripDec(chk, chkRoundTripStuint, 128, 6) chkRoundTripDec(chk, chkRoundTripStuint, 128, 7) chkRoundTripDec(chk, chkRoundTripStuint, 128, 8) chkRoundTripDec(chk, chkRoundTripStuint, 128, 9) chkRoundTripDec(chk, chkRoundTripStuint, 128, 10) chkRoundTripDec(chk, chkRoundTripStuint, 128, 11) chkRoundTripDec(chk, chkRoundTripStuint, 128, 12) chkRoundTripDec(chk, chkRoundTripStuint, 128, 13) chkRoundTripDec(chk, chkRoundTripStuint, 128, 14) chkRoundTripStuint(chk, "255", 128, 10) chkRoundTripStuint(chk, "65535", 128, 10) chkRoundTripStuint(chk, "4294967295", 128, 10) chkRoundTripStuint(chk, "18446744073709551615", 128, 10) chkRoundTripStuint(chk, "340282366920938463463374607431768211455", 128, 10) tst "[stint] parse - toString roundtrip": chkRoundTripBin(chk, chkRoundTripStint, 64, 1) chkRoundTripBin(chk, chkRoundTripStint, 64, 2) chkRoundTripBin(chk, chkRoundTripStint, 64, 3) chkRoundTripBin(chk, chkRoundTripStint, 64, 4) chkRoundTripBin(chk, chkRoundTripStint, 64, 5) chkRoundTripBin(chk, chkRoundTripStint, 64, 6) chkRoundTripBin(chk, chkRoundTripStint, 64, 7) chkRoundTripBin(chk, chkRoundTripStint, 64, 8) chkRoundTripStint(chk, "1" & repeat('0', 63), 64, 2) chkRoundTripBin(chk, chkRoundTripStint, 128, 1) chkRoundTripBin(chk, chkRoundTripStint, 128, 2) chkRoundTripBin(chk, chkRoundTripStint, 128, 3) chkRoundTripBin(chk, chkRoundTripStint, 128, 4) chkRoundTripBin(chk, chkRoundTripStint, 128, 5) chkRoundTripBin(chk, chkRoundTripStint, 128, 6) chkRoundTripBin(chk, chkRoundTripStint, 128, 7) chkRoundTripBin(chk, chkRoundTripStint, 128, 8) chkRoundTripBin(chk, chkRoundTripStint, 128, 9) chkRoundTripBin(chk, chkRoundTripStint, 128, 10) chkRoundTripBin(chk, chkRoundTripStint, 128, 11) chkRoundTripBin(chk, chkRoundTripStint, 128, 12) chkRoundTripBin(chk, chkRoundTripStint, 128, 13) chkRoundTripBin(chk, chkRoundTripStint, 128, 14) chkRoundTripBin(chk, chkRoundTripStint, 128, 15) chkRoundTripBin(chk, chkRoundTripStint, 128, 16) chkRoundTripStint(chk, "1" & repeat('0', 127), 128, 2) chkRoundTripHex(chk, chkRoundTripStint, 64, 1) chkRoundTripHex(chk, chkRoundTripStint, 64, 2) chkRoundTripHex(chk, chkRoundTripStint, 64, 3) chkRoundTripHex(chk, chkRoundTripStint, 64, 4) chkRoundTripHex(chk, chkRoundTripStint, 64, 5) chkRoundTripHex(chk, chkRoundTripStint, 64, 6) chkRoundTripHex(chk, chkRoundTripStint, 64, 7) chkRoundTripHex(chk, chkRoundTripStint, 64, 8) chkRoundTripStint(chk, "8" & repeat('0', 15), 64, 16) chkRoundTripHex(chk, chkRoundTripStint, 128, 1) chkRoundTripHex(chk, chkRoundTripStint, 128, 2) chkRoundTripHex(chk, chkRoundTripStint, 128, 3) chkRoundTripHex(chk, chkRoundTripStint, 128, 4) chkRoundTripHex(chk, chkRoundTripStint, 128, 5) chkRoundTripHex(chk, chkRoundTripStint, 128, 6) chkRoundTripHex(chk, chkRoundTripStint, 128, 7) chkRoundTripHex(chk, chkRoundTripStint, 128, 8) chkRoundTripHex(chk, chkRoundTripStint, 128, 9) chkRoundTripHex(chk, chkRoundTripStint, 128, 10) chkRoundTripHex(chk, chkRoundTripStint, 128, 11) chkRoundTripHex(chk, chkRoundTripStint, 128, 12) chkRoundTripHex(chk, chkRoundTripStint, 128, 13) chkRoundTripHex(chk, chkRoundTripStint, 128, 14) chkRoundTripHex(chk, chkRoundTripStint, 128, 15) chkRoundTripHex(chk, chkRoundTripStint, 128, 16) chkRoundTripStint(chk, "8" & repeat('0', 31), 128, 16) chkRoundTripOct(chk, chkRoundTripStint, 64, 1) chkRoundTripOct(chk, chkRoundTripStint, 64, 2) chkRoundTripOct(chk, chkRoundTripStint, 64, 3) chkRoundTripOct(chk, chkRoundTripStint, 64, 4) chkRoundTripOct(chk, chkRoundTripStint, 64, 5) chkRoundTripOct(chk, chkRoundTripStint, 64, 6) chkRoundTripOct(chk, chkRoundTripStint, 64, 7) chkRoundTripStint(chk, "377", 64, 8) chkRoundTripStint(chk, "200", 64, 8) chkRoundTripStint(chk, "177777", 64, 8) chkRoundTripStint(chk, "100000", 64, 8) chkRoundTripStint(chk, "37777777777", 64, 8) chkRoundTripStint(chk, "20000000000", 64, 8) chkRoundTripStint(chk, "1777777777777777777777", 64, 8) chkRoundTripStint(chk, "1000000000000000000000", 64, 8) chkRoundTripOct(chk, chkRoundTripStint, 128, 1) chkRoundTripOct(chk, chkRoundTripStint, 128, 2) chkRoundTripOct(chk, chkRoundTripStint, 128, 3) chkRoundTripOct(chk, chkRoundTripStint, 128, 4) chkRoundTripOct(chk, chkRoundTripStint, 128, 5) chkRoundTripOct(chk, chkRoundTripStint, 128, 6) chkRoundTripOct(chk, chkRoundTripStint, 128, 7) chkRoundTripOct(chk, chkRoundTripStint, 128, 8) chkRoundTripOct(chk, chkRoundTripStint, 128, 9) chkRoundTripOct(chk, chkRoundTripStint, 128, 10) chkRoundTripOct(chk, chkRoundTripStint, 128, 11) chkRoundTripOct(chk, chkRoundTripStint, 128, 12) chkRoundTripOct(chk, chkRoundTripStint, 128, 13) chkRoundTripOct(chk, chkRoundTripStint, 128, 14) chkRoundTripStint(chk, "377", 128, 8) chkRoundTripStint(chk, "200", 128, 8) chkRoundTripStint(chk, "177777", 128, 8) chkRoundTripStint(chk, "100000", 128, 8) chkRoundTripStint(chk, "37777777777", 128, 8) chkRoundTripStint(chk, "20000000000", 128, 8) chkRoundTripStint(chk, "1777777777777777777777", 128, 8) chkRoundTripStint(chk, "1000000000000000000000", 128, 8) chkRoundTripStint(chk, "3777777777777777777777777777777777777777777", 128, 8) chkRoundTripStint(chk, "2000000000000000000000000000000000000000000", 128, 8) chkRoundTripDec(chk, chkRoundTripStint, 64, 1) chkRoundTripDec(chk, chkRoundTripStint, 64, 2) chkRoundTripDec(chk, chkRoundTripStint, 64, 3) chkRoundTripDec(chk, chkRoundTripStint, 64, 4) chkRoundTripDec(chk, chkRoundTripStint, 64, 5) chkRoundTripDec(chk, chkRoundTripStint, 64, 6) chkRoundTripDec(chk, chkRoundTripStint, 64, 7) chkRoundTripStint(chk, "255", 64, 10) chkRoundTripStint(chk, "65535", 64, 10) chkRoundTripStint(chk, "127", 64, 10) chkRoundTripStint(chk, "-128", 64, 10) chkRoundTripStint(chk, "32767", 64, 10) chkRoundTripStint(chk, "-32768", 64, 10) chkRoundTripStint(chk, "65535", 64, 10) chkRoundTripStint(chk, "-2147483648", 64, 10) chkRoundTripStint(chk, "4294967295", 64, 10) chkRoundTripStint(chk, "-9223372036854775807", 64, 10) chkRoundTripStint(chk, "-9223372036854775808", 64, 10) chkRoundTripDec(chk, chkRoundTripStint, 128, 1) chkRoundTripDec(chk, chkRoundTripStint, 128, 2) chkRoundTripDec(chk, chkRoundTripStint, 128, 3) chkRoundTripDec(chk, chkRoundTripStint, 128, 4) chkRoundTripDec(chk, chkRoundTripStint, 128, 5) chkRoundTripDec(chk, chkRoundTripStint, 128, 6) chkRoundTripDec(chk, chkRoundTripStint, 128, 7) chkRoundTripDec(chk, chkRoundTripStint, 128, 8) chkRoundTripDec(chk, chkRoundTripStint, 128, 9) chkRoundTripDec(chk, chkRoundTripStint, 128, 10) chkRoundTripDec(chk, chkRoundTripStint, 128, 11) chkRoundTripDec(chk, chkRoundTripStint, 128, 12) chkRoundTripDec(chk, chkRoundTripStint, 128, 13) chkRoundTripDec(chk, chkRoundTripStint, 128, 14) chkRoundTripStint(chk, "255", 128, 10) chkRoundTripStint(chk, "65535", 128, 10) chkRoundTripStint(chk, "4294967295", 128, 10) chkRoundTripStint(chk, "18446744073709551615", 128, 10) chkRoundTripStint(chk, "-170141183460469231731687303715884105727", 128, 10) chkRoundTripStint(chk, "-170141183460469231731687303715884105728", 128, 10) tst "roundtrip initFromBytesBE and toByteArrayBE": chkRoundtripBE(chk, "xyzwabcd", 64) chkRoundtripBE(chk, "xyzwabcd12345678", 128) chkRoundtripBE(chk, "xyzwabcd12345678kilimanjarohello", 256) tst "[stuint] dumpHex": chkDumpHexStuint(chk, "00000000000000ab", "ab00000000000000", 64) chkDumpHexStuint(chk, "abcdef0012345678", "7856341200efcdab", 64) chkDumpHexStuint(chk, "abcdef0012345678abcdef1122334455", "5544332211efcdab7856341200efcdab", 128) tst "[stint] dumpHex": chkDumpHexStint(chk, "00000000000000ab", "ab00000000000000", 64) chkDumpHexStint(chk, "abcdef0012345678", "7856341200efcdab", 64) chkDumpHexStint(chk, "abcdef0012345678abcdef1122334455", "5544332211efcdab7856341200efcdab", 128) static: testIO(ctCheck, ctTest, ctExpect) proc main() = # Nim GC protests we are using too much global variables # so put it in a proc suite "Testing input and output procedures": testIO(check, test, expect) test "toByteArrayBE CT vs RT": chkCTvsRT(check, 0xab'u64, 64) chkCTvsRT(check, 0xabcd'u64, 64) chkCTvsRT(check, 0xabcdef12'u64, 64) chkCTvsRT(check, 0xabcdef12abcdef12'u64, 64) chkCTvsRT(check, 0xab'u64, 128) chkCTvsRT(check, 0xabcd'u64, 128) chkCTvsRT(check, 0xabcdef12'u64, 128) chkCTvsRT(check, 0xabcdef12abcdef12'u64, 128) test "Creation from decimal strings": block: let a = "123456789".parse(StInt[64]) let b = 123456789.stint(64) check: a == b check: 123456789'i64 == cast[int64](a) block: let a = "123456789".parse(StUint[64]) let b = 123456789.stuint(64) check: a == b check: 123456789'u64 == cast[uint64](a) block: let a = "-123456789".parse(StInt[64]) let b = (-123456789).stint(64) check: a == b check: -123456789'i64 == cast[int64](a) test "Creation from binary strings": block: for i in 0..255: let a = fmt("{i:#b}").parse(StInt[64], radix = 2) let b = i.stint(64) check: a == b check: int64(i) == cast[int64](a) block: for i in 0..255: let a = fmt("{i:#b}").parse(StUint[64], radix = 2) let b = i.stuint(64) check: a == b check: uint64(i) == cast[uint64](a) block: let a = "0b1111111111111111".parse(StInt[16], 2) let b = (-1'i16).stint(16) check: a == b check: -1'i16 == cast[int16](a) test "Creation from octal strings": block: for i in 0..255: let a = fmt("{i:#o}").parse(StInt[64], radix = 8) let b = i.stint(64) check: a == b check: int64(i) == cast[int64](a) block: for i in 0..255: let a = fmt("{i:#o}").parse(StUint[64], radix = 8) let b = i.stuint(64) check: a == b check: uint64(i) == cast[uint64](a) block: let a = "0o1777777777777777777777".parse(StInt[64], 8) let b = (-1'i16).stint(64) check: a == b check: -1'i16 == cast[int64](a) test "Creation from hex strings": block: for i in 0..255: let a = fmt("{i:#x}").parse(StInt[64], radix = 16) let aUppercase = fmt("{i:#X}").parse(StInt[64], radix = 16) let b = i.stint(64) check: a == aUppercase check: a == b check: int64(i) == cast[int64](a) block: for i in 0..255: let a = fmt("{i:#x}").parse(StUint[64], radix = 16) let aUppercase = fmt("{i:#X}").parse(StUint[64], radix = 16) let b = i.stuint(64) check: a == aUppercase check: a == b check: uint64(i) == cast[uint64](a) let a2 = hexToUint[64](fmt("{i:#x}")) let a3 = hexToUint[64](fmt("{i:#X}")) check: a == a2 check: a == a3 block: let a = "0xFFFFFFFFFFFFFFFF".parse(StInt[64], 16) let b = (-1'i16).stint(64) check: a == b check: -1'i16 == cast[int64](a) block: let a = "0c1234abcdef".parse(StInt[64], 16) let b = "0x0c1234abcdef".parse(StInt[64], 16) let c = 0x0c1234abcdef.stint(64) check: a == b check: a == c test "Conversion to decimal strings": block: let a = 1234567891234567890.stint(128) check: a.toString == "1234567891234567890" check: $a == "1234567891234567890" block: let a = 1234567891234567890.stuint(128) check: a.toString == "1234567891234567890" check: $a == "1234567891234567890" block: let a = (-1234567891234567890).stint(128) check: a.toString == "-1234567891234567890" check: $a == "-1234567891234567890" test "Conversion to hex strings": block: let a = 0x1234567890ABCDEF.stint(128) check: a.toHex.toUpperAscii == "1234567890ABCDEF" block: let a = 0x1234567890ABCDEF.stuint(128) check: a.toHex.toUpperAscii == "1234567890ABCDEF" # TODO: negative hex test "Hex dump": block: let a = 0x1234'i32.stint(64) check: a.dumpHex(bigEndian).toUpperAscii == "0000000000001234" block: let a = 0x1234'i32.stint(64) check: a.dumpHex(littleEndian).toUpperAscii == "3412000000000000" test "Back and forth bigint conversion consistency": block: let s = "1234567890123456789012345678901234567890123456789" let a = parse(s, StInt[512]) check: a.toString == s check: $a == s block: let s = "1234567890123456789012345678901234567890123456789" let a = parse(s, StUint[512]) check: a.toString == s check: $a == s test "Truncate: int, int64, uint, uint64": block: let x = 100.stuint(128) check: x.truncate(int) == 100 x.truncate(int64) == 100'i64 x.truncate(uint64) == 100'u64 x.truncate(uint) == 100'u block: let x = pow(2.stuint(128), 64) + 1 check: # x.truncate(int) == 1 # This is undefined # x.truncate(int64) == 1'i64 # This is undefined x.truncate(uint64) == 1'u64 x.truncate(uint) == 1'u test "toInt, toInt64, toUint, toUint64 - word size (32/64-it) specific": when not defined(stint_test): # stint_test forces word size of 32-bit # while stint uses uint64 by default. block: let x = pow(2.stuint(128), 32) + 1 when sizeof(int) == 4: # 32-bit machines check: x.truncate(uint) == 1'u x.truncate(uint64) == 2'u64^32 + 1 else: check: x.truncate(uint) == 2'u^32 + 1 x.truncate(uint64) == 2'u64^32 + 1 else: echo "Next test skipped when Stint forces uint32 backend in test mode" let z = "115792089237316195423570985008687907853269984665640564039457584007913129639935".u256 let kk = z.truncate(int) test "Parsing an unexpected 0x prefix for a decimal string is a CatchableError and not a defect": let s = "0x123456" expect(AssertionDefect): discard parse(s, StUint[256], 10) suite "Testing conversion functions: Hex, Bytes, Endianness using secp256k1 curve": let SECPK1_N_HEX = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141".toLowerAscii SECPK1_N = "115792089237316195423570985008687907852837564279074904382605163141518161494337".u256 SECPK1_N_BYTES = [byte(255), 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 254, 186, 174, 220, 230, 175, 72, 160, 59, 191, 210, 94, 140, 208, 54, 65, 65] test "explicit conversions from basic types": type UInt256 = StUint[256] Int128 = StInt[128] let x = 10.uint16 check: x.to(UInt256).bits == 256 x.to(Int128).bits == 128 test "hex -> uint256": check: SECPK1_N_HEX.parse(StUint[256], radix = 16) == SECPK1_N test "uint256 -> hex": check: SECPK1_N.dumpHex == SECPK1_N_HEX test "hex -> big-endian array -> uint256": check: readUintBE[256](SECPK1_N_BYTES) == SECPK1_N test "uint256 -> minimal big-endian array -> uint256": # test drive the conversion logic by testing the first 25 factorials: var f = 1.stuint(256) for i in 2 .. 25: f = f * i.stuint(256) let bytes = f.toByteArrayBE nonZeroBytes = significantBytesBE(bytes) fRestored = UInt256.fromBytesBE(bytes.toOpenArray(bytes.len - nonZeroBytes, bytes.len - 1)) check f == fRestored test "uint256 -> big-endian array -> hex": check: SECPK1_N.toByteArrayBE == SECPK1_N_BYTES # This is a sample of signatures generated with a known-good implementation of the ECDSA # algorithm, which we use to test our ECC backends. If necessary, it can be generated from scratch # with the following code: # # """python # from devp2p import crypto # from eth_utils import encode_hex # msg = b'message' # msghash = crypto.sha3(b'message') # for secret in ['alice', 'bob', 'eve']: # print("'{}': dict(".format(secret)) # privkey = crypto.mk_privkey(secret) # pubkey = crypto.privtopub(privkey) # print(" privkey='{}',".format(encode_hex(privkey))) # print(" pubkey='{}',".format(encode_hex(crypto.privtopub(privkey)))) # ecc = crypto.ECCx(raw_privkey=privkey) # sig = ecc.sign(msghash) # print(" sig='{}',".format(encode_hex(sig))) # print(" raw_sig='{}')".format(crypto._decode_sig(sig))) # doAssert crypto.ecdsa_recover(msghash, sig) == pubkey # """ type testKeySig = object privkey*: string pubkey*: string raw_sig*: tuple[v: int, r, s: string] serialized_sig*: string let alice = testKeySig( privkey: "9c0257114eb9399a2985f8e75dad7600c5d89fe3824ffa99ec1c3eb8bf3b0501", pubkey: "5eed5fa3a67696c334762bb4823e585e2ee579aba3558d9955296d6c04541b426078dbd48d74af1fd0c72aa1a05147cf17be6b60bdbed6ba19b08ec28445b0ca", raw_sig: ( v: 1, r: "B20E2EA5D3CBAA83C1E0372F110CF12535648613B479B64C1A8C1A20C5021F38", # Decimal "80536744857756143861726945576089915884233437828013729338039544043241440681784", s: "0434D07EC5795E3F789794351658E80B7FAF47A46328F41E019D7B853745CDFD" # Decimal "1902566422691403459035240420865094128779958320521066670269403689808757640701" ), serialized_sig: "b20e2ea5d3cbaa83c1e0372f110cf12535648613b479b64c1a8c1a20c5021f380434d07ec5795e3f789794351658e80b7faf47a46328f41e019d7b853745cdfd01" ) bob = testKeySig( privkey: "38e47a7b719dce63662aeaf43440326f551b8a7ee198cee35cb5d517f2d296a2", pubkey: "347746ccb908e583927285fa4bd202f08e2f82f09c920233d89c47c79e48f937d049130e3d1c14cf7b21afefc057f71da73dec8e8ff74ff47dc6a574ccd5d570", raw_sig: ( v: 1, r: "5C48EA4F0F2257FA23BD25E6FCB0B75BBE2FF9BBDA0167118DAB2BB6E31BA76E", # Decimal "41741612198399299636429810387160790514780876799439767175315078161978521003886", s: "691DBDAF2A231FC9958CD8EDD99507121F8184042E075CF10F98BA88ABFF1F36" # Decimal "47545396818609319588074484786899049290652725314938191835667190243225814114102" ), serialized_sig: "5c48ea4f0f2257fa23bd25e6fcb0b75bbe2ff9bbda0167118dab2bb6e31ba76e691dbdaf2a231fc9958cd8edd99507121f8184042e075cf10f98ba88abff1f3601" ) eve = testKeySig( privkey: "876be0999ed9b7fc26f1b270903ef7b0c35291f89407903270fea611c85f515c", pubkey: "c06641f0d04f64dba13eac9e52999f2d10a1ff0ca68975716b6583dee0318d91e7c2aed363ed22edeba2215b03f6237184833fd7d4ad65f75c2c1d5ea0abecc0", raw_sig: ( v: 0, r: "BABEEFC5082D3CA2E0BC80532AB38F9CFB196FB9977401B2F6A98061F15ED603", # Decimal "84467545608142925331782333363288012579669270632210954476013542647119929595395", s: "603D0AF084BF906B2CDF6CDDE8B2E1C3E51A41AF5E9ADEC7F3643B3F1AA2AADF" # Decimal "43529886636775750164425297556346136250671451061152161143648812009114516499167" ), serialized_sig: "babeefc5082d3ca2e0bc80532ab38f9cfb196fb9977401b2f6a98061f15ed603603d0af084bf906b2cdf6cdde8b2e1c3e51a41af5e9adec7f3643b3f1aa2aadf00" ) test "Alice signature": check: alice.raw_sig.r.parse(StUint[256], 16) == "80536744857756143861726945576089915884233437828013729338039544043241440681784".u256 check: alice.raw_sig.s.parse(StUint[256], 16) == "1902566422691403459035240420865094128779958320521066670269403689808757640701".u256 test "Bob signature": check: bob.raw_sig.r.parse(StUint[256], 16) == "41741612198399299636429810387160790514780876799439767175315078161978521003886".u256 check: bob.raw_sig.s.parse(StUint[256], 16) == "47545396818609319588074484786899049290652725314938191835667190243225814114102".u256 test "Eve signature": check: eve.raw_sig.r.parse(StUint[256], 16) == "84467545608142925331782333363288012579669270632210954476013542647119929595395".u256 check: eve.raw_sig.s.parse(StUint[256], 16) == "43529886636775750164425297556346136250671451061152161143648812009114516499167".u256 test "Using stint values in a hash table": block: var t = initTable[UInt128, string]() var numbers = @[ parse("0", UInt128), parse("122342408432", UInt128), parse("23853895230124238754328", UInt128), parse("4539086493082871342142388475734534753453", UInt128), ] for n in numbers: t[n] = $n for n in numbers: check t[n] == $n block: var t = initTable[Int256, string]() var numbers = @[ parse("0", Int256), parse("-1", Int256), parse("-12315123298", Int256), parse("23853895230124238754328", Int256), parse("-3429023852897428742874325245342129842", Int256), ] for n in numbers: t[n] = $n for n in numbers: check t[n] == $n main()