30 lines
1.2 KiB
Nim
30 lines
1.2 KiB
Nim
# Nim Eth-keys
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# Copyright (c) 2018 Status Research & Development GmbH
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# Licensed under either of
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#
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
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#
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import ../src/private/[conversion_bytes, conversion_ttmath]
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import unittest, ttmath, strutils # TODO remove ttmath needs if backend libsecp256k1
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suite "Testing conversion functions: Hex, Bytes, Endianness":
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let
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SECPK1_N_HEX = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141".toLowerAscii
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SECPK1_N = "115792089237316195423570985008687907852837564279074904382605163141518161494337".u256
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test "hex -> uint256":
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check: SECPK1_N_HEX.hexToUInt256 == SECPK1_N
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test "uint256 -> hex":
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check: SECPK1_N.toHex == SECPK1_N_HEX
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test "hex -> big-endian array -> uint256":
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check: hexToByteArrayBE[32](SECPK1_N_HEX).readUint256BE == SECPK1_N
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test "uint256 -> big-endian array -> hex":
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check: SECPK1_N.toByteArrayBE.toHex == SECPK1_N_HEX
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