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Add Base64 library to utils (#2884)

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* Add Base64 library to utils

* Fix typo on Base64 padding

* Added documentation for Base64 and references from ERC1155 and ERC721

* Updated Changelog

* Fix typo in utilities doc

* use mstore8 to improve memory accesses

* use shorter strings with encodePacked

* do not use using-for syntax, for clarity

Co-authored-by: Hadrien Croubois <hadrien.croubois@gmail.com>
Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
This commit is contained in:
Ernesto García
2021-12-29 13:41:20 -06:00
committed by GitHub
parent da3a9ae18b
commit ef0273fde1
8 changed files with 185 additions and 3 deletions
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4
contracts/utils/README.adoc
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@ -5,7 +5,7 @@ NOTE: This document is better viewed at https://docs.openzeppelin.com/contracts/
Miscellaneous contracts and libraries containing utility functions you can use to improve security, work with new data types, or safely use low-level primitives.
The {Address}, {Arrays} and {Strings} libraries provide more operations related to these native data types, while {SafeCast} adds ways to safely convert between the different signed and unsigned numeric types.
The {Address}, {Arrays}, {Base64} and {Strings} libraries provide more operations related to these native data types, while {SafeCast} adds ways to safely convert between the different signed and unsigned numeric types.
{Multicall} provides a function to batch together multiple calls in a single external call.
For new data types:
@ -96,6 +96,8 @@ Note that, in all cases, accounts simply _declare_ their interfaces, but they ar
{{Arrays}}
{{Base64}}
{{Counters}}
{{Strings}}