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Induce data availability into contract #41
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noel2004
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e97431b
contract with DA
b31275f
fmt
4464b42
resume committing action for submitting
16ac1cf
change parameters from memory to calldata in external function
772c3c2
code for priority op queue, include unit-tests
d561685
handling priority op in demo contract
6741026
add mine script for localhost (instead of tick)
0b97fae
encode op for registerUser
8abd4d6
catching up with new master
e0fcb4d
fmt
270b5e3
update contracts
d172c9c
update for DA features
b97eb89
deposit script
3a9026b
update yarn lock
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,156 @@ | ||
| // SPDX-License-Identifier: MIT OR Apache-2.0 | ||
|
|
||
| pragma solidity ^0.8.0; | ||
|
|
||
| library Bytes { | ||
| function shiftAndReverseBits8(uint8 val, uint8 offset) | ||
| internal | ||
| pure | ||
| returns (uint256 ret) | ||
| { | ||
| uint16 effectLen = offset < 248 ? 8 : 256 - offset; | ||
| for (uint16 i = 0; i < effectLen; i++) { | ||
| if (val & 1 == 1) { | ||
| ret += (1 << (255 - i - offset)); | ||
| } | ||
| val >>= 1; | ||
| } | ||
| } | ||
|
|
||
| function shiftAndReverseBits16(uint16 val, uint8 offset) | ||
| internal | ||
| pure | ||
| returns (uint256 ret) | ||
| { | ||
| uint16 effectLen = offset < 240 ? 16 : 256 - offset; | ||
| for (uint16 i = 0; i < effectLen; i++) { | ||
| if (val & 1 == 1) { | ||
| ret += (1 << (255 - i - offset)); | ||
| } | ||
| val >>= 1; | ||
| } | ||
| } | ||
|
|
||
| function shiftAndReverseBits32(uint32 val, uint8 offset) | ||
| internal | ||
| pure | ||
| returns (uint256 ret) | ||
| { | ||
| uint16 effectLen = offset < 224 ? 32 : 256 - offset; | ||
| for (uint16 i = 0; i < effectLen; i++) { | ||
| if (val & 1 == 1) { | ||
| ret += (1 << (255 - i - offset)); | ||
| } | ||
| val >>= 1; | ||
| } | ||
| } | ||
|
|
||
| function shiftAndReverseBits64(uint64 val, uint8 offset) | ||
| internal | ||
| pure | ||
| returns (uint256 ret) | ||
| { | ||
| uint16 effectLen = offset < 192 ? 64 : 256 - offset; | ||
| for (uint16 i = 0; i < effectLen; i++) { | ||
| if (val & 1 == 1) { | ||
| ret += (1 << (255 - i - offset)); | ||
| } | ||
| val >>= 1; | ||
| } | ||
| } | ||
|
|
||
| function shiftAndReverseBits128(uint128 val, uint8 offset) | ||
| internal | ||
| pure | ||
| returns (uint256 ret) | ||
| { | ||
| uint16 effectLen = offset < 128 ? 128 : 256 - offset; | ||
| for (uint16 i = 0; i < effectLen; i++) { | ||
| if (val & 1 == 1) { | ||
| ret += (1 << (255 - i - offset)); | ||
| } | ||
| val >>= 1; | ||
| } | ||
| } | ||
|
|
||
| function shiftAndReverseBits(uint256 val, uint8 offset) | ||
| internal | ||
| pure | ||
| returns (uint256 ret) | ||
| { | ||
| for (uint16 i = 0; i < 256 - offset; i++) { | ||
| if (val & 1 == 1) { | ||
| ret += (1 << (255 - i - offset)); | ||
| } | ||
| val >>= 1; | ||
| } | ||
| } | ||
|
|
||
| //see https://ethereum.stackexchange.com/questions/83626/how-to-reverse-byte-order-in-uint256-or-bytes32 | ||
| function swapBytes(uint256 input) internal pure returns (uint256 v) { | ||
| v = input; | ||
|
|
||
| // swap bytes | ||
| v = | ||
| ((v & | ||
| 0xFF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00) >> | ||
| 8) | | ||
| ((v & | ||
| 0x00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF) << | ||
| 8); | ||
|
|
||
| // swap 2-byte long pairs | ||
| v = | ||
| ((v & | ||
| 0xFFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000) >> | ||
| 16) | | ||
| ((v & | ||
| 0x0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF) << | ||
| 16); | ||
|
|
||
| // swap 4-byte long pairs | ||
| v = | ||
| ((v & | ||
| 0xFFFFFFFF00000000FFFFFFFF00000000FFFFFFFF00000000FFFFFFFF00000000) >> | ||
| 32) | | ||
| ((v & | ||
| 0x00000000FFFFFFFF00000000FFFFFFFF00000000FFFFFFFF00000000FFFFFFFF) << | ||
| 32); | ||
|
|
||
| // swap 8-byte long pairs | ||
| v = | ||
| ((v & | ||
| 0xFFFFFFFFFFFFFFFF0000000000000000FFFFFFFFFFFFFFFF0000000000000000) >> | ||
| 64) | | ||
| ((v & | ||
| 0x0000000000000000FFFFFFFFFFFFFFFF0000000000000000FFFFFFFFFFFFFFFF) << | ||
| 64); | ||
|
|
||
| // swap 16-byte long pairs | ||
| v = (v >> 128) | (v << 128); | ||
| } | ||
|
|
||
| // See comment at the top of this file for explanation of how this function works. | ||
| // NOTE: theoretically possible overflow of (_start + 0x2) | ||
| function bytesToUInt16(bytes memory _bytes, uint256 _start) | ||
| internal | ||
| pure | ||
| returns (uint16 r) | ||
| { | ||
| uint256 offset = _start + 0x2; | ||
| require(_bytes.length >= offset, "T"); | ||
| assembly { | ||
| r := mload(add(_bytes, offset)) | ||
| } | ||
| } | ||
|
|
||
| // NOTE: theoretically possible overflow of (_offset + 2) | ||
| function readUInt16(bytes memory _data, uint256 _offset) | ||
| internal | ||
| pure | ||
| returns (uint256 newOffset, uint16 r) | ||
| { | ||
| newOffset = _offset + 2; | ||
| r = bytesToUInt16(_data, _offset); | ||
| } | ||
| } | ||
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can we combine
shiftAndReverseBits16,shiftAndReverseBits32,shiftAndReverseBits64,shiftAndReverseBits128?There was a problem hiding this comment.
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tried but failed. If we defined both foo(uint16) and foo(uint32), the calling of foo seems to be considered as ambiguous even you have specified the type of argument explicitly.