# Nim Eth-keys
# Copyright (c) 2018 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.

# 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
# """

import nimcrypto/keccak

type
  testKeySig* = object
    privkey*: string
    pubkey*: string
    raw_sig*: tuple[v: int, r, s: string]
    serialized_sig*: string

let
  MSG* = "message"
  MSGHASH* = keccak256.digest(MSG)

# Conversion done through https://www.mobilefish.com/services/big_number/big_number.php

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"
    )