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Bytes in solidity

bytes and strings in Solidity

  1. Solidity documentation says: As a rule of thumb, use bytes for arbitrary-length raw byte data and string for arbitrary-length string (UTF-8) data. If you can limit the length to a certain number of..
  2. Bytes is a dynamic array of bytes. It's shorthand for byte[] and you'll see examples of a bytes being treated as an array in code from time to time. myByte[x]. It can have a length of zero and you can do things like append a byte to the end. Bytes32 is exactly 32 bytes long. It takes exactly one 32-byte word to represent a bytes32 because there's no need to set any space aside to encode the length. The length is always 32. A bytes with 32 bytes of data needs additional encoding to.
  3. The byte(index, data) instruction will read the byte at position index from an item data, and put it on the stack. The range of index is [0, 31] . uint numLit_0; uint numLit_31; assembly { numLit_0 := byte(0, numLit) numLit_31 := byte(31, numLit) } // numLit_0 == 0 // numLit_31 ==

solidity - What is the difference between bytes and

// Checks if two 'bytes memory' variables points to the same bytes array. // Technically this is done by de-referencing the two arrays in inline assembly, // and checking if the values are the same. function equalsRef (bytes memory self, bytes memory other) internal pure returns (bool equal) {assembly {equal: = eq (self, other)}} // Copies a byte array function toBytes (uint256 x) returns (bytes b) {b = new bytes (32); assembly {mstore (add (b, 32), x)}} Dies ist wesentlich gaseffizienter, hängt jedoch vom internen Speicherlayout ab, das vom Solidity-Compiler verwendet wird. Theoretisch kann sich dies in Zukunft ändern, in der Praxis sollte es jedoch ziemlich stabil sein function toBytes (uint256 x) returns (bytes b) { b = new bytes (32); assembly { mstore (add (b, 32), x) } } Found reference here- https://ethereum.stackexchange.com/questions/4170/how-to-convert-a-uint-to-bytes-in-solidity. Share Solidity Bytes Arrays Utils Bytes tightly packed arrays' utility library for ethereum contracts written in Solidity. The library lets you concatenate, slice and type cast bytes arrays both in memory and storage. Given this library has an all-internal collection of methods it doesn't make sense to have it reside in the mainnet pragma solidity ^0.4.15; contract Bytes32ToString { function bytes32ToStr(bytes32 _bytes32) public pure returns (string) { // string memory str = string(_bytes32); // TypeError: Explicit type conversion not allowed from bytes32 to string storage pointer // thus we should fist convert bytes32 to bytes (to dynamically-sized byte array) bytes memory bytesArray = new bytes(32); for (uint256 i; i < 32; i++) { bytesArray[i] = _bytes32[i]; } return string(bytesArray); }

However, Solidity has multiple flavors of the byte type. It provides data types in the range from bytes1 to bytes32 inclusive, to represent varying byte lengths, as required. These are called fixed sized byte arrays and are implemented as value types. The bytes1 data type represents 1 byte and bytes2 represents 2 bytes As a rule of thumb, use bytes for arbitrary-length raw byte data and string for arbitrary-length string (UTF-8) data. If you can limit the length to a certain number of bytes, always use one of bytes1 to bytes32 because they are much cheaper Previous versions of Solidity allowed these functions to receive arbitrary arguments and would also handle a first argument of type bytes4 differently. These edge cases were removed in version 0.5.0 The Solidity functions isValidSignature and recoverSigner work just like their JavaScript counterparts in the previous section, with the latter function borrowed from the ReceiverPays contract. Only the payment channel recipient can call the close function, who naturally passes the most recent payment message because that message carries the highest total owed In Ethereum and Solidity, an address if of 20 byte value size (160 bits or 40 hex characters). It corresponds to the last 20 bytes of the Keccak-256 hash of the public key. An address is always..

You can do that in Solidity by copying each byte of the input strings to the output one. You can find an implementation of this in oraclizeAPI for example (function strConcat). The code is pretty much the following solidity-bytes-utils - Utility Solidity library composed of basic operations for tightly packed bytes arrays

solidity-examples/Bytes

So konvertieren Sie Bytes in Solidity in uint. Solidität Bytes Versammlung Finanzen. Hey, gibt es eine Möglichkeit, bytes in Solidity in uint umzuwandeln? smarx. Können Sie erklären, welche Konvertierung Sie möchten? Am besten geben Sie ein Beispiel für einen uint und den entsprechenden uint Wert an, den Sie sehen möchten. Antworten Jaime. Mit dieser Funktion können Sie Bytes in. Solidity in Depth » Units and Globally Available Variables Memory byte array that contains the creation bytecode of the contract. This can be used in inline assembly to build custom creation routines, especially by using the create2 opcode. This property can not be accessed in the contract itself or any derived contract. It causes the bytecode to be included in the bytecode of the call. solidity-bytes-utils v0.8.0. Solidity bytes tightly packed arrays utility library. NPM. README. GitHub. Nevertheless, Solidity is mighty in the proverbial details that hide unforeseen difficulties. That is the case of the type string and the related type bytes. Both of these are dynamic array types, which means that they can store data of an arbitrary size. Each element of a variable of type bytes is, unsurprisingly,

In Ethereum and Solidity, an address if of 20 byte value size (160 bits or 40 hex characters). It corresponds to the last 20 bytes of the Keccak-256 hash of the public key. An address is always pre-fixed with 0x as it is represented in hexadecimal format (base 16 notation) (defined explicitly). This definition is quite technical and sounds complicated. I have written in bold the core elements. In this article I give a couple of useful code snippets to do some simple string manipulations in Solidity. Warning: Keep in mind that manipulating strings in Solidity is costly in gas. If you can avoid it and use other types like bytes and bytes32, that's better. Get length of a string in Solidity

Remark: Prior to Solidity 0.5.8 (or Solidity 0.4.26, in the 0.4.x line) there was a bug causing the default value for internal functions to be incorrectly encoded when it was set in a constructor. It would have 0 for the upper 4 bytes, and would have as the lower 4 bytes what the upper 4 bytes should have been Solidity 0.8.5 allows conversions from bytes to bytesNN values, adds the verbatim builtin function to inject arbitrary bytecode in Yul and fixes several smaller bugs. For all details please refer to the announcement post and check out the new release here. Solidity is a statically-typed curly-braces programming language designed for developing smart contracts that run on Ethereum. get started.

solidity - Incorrect bytes32 to string conversion

Wie konvertiere ich eine Uint in Bytes in Solidity

solidity - How to convert uint256 to bytes, and bytes

Ethereum VM address is 20 bytes, but TRON's VM address is 21 bytes. 1. address conversion Need to convert TRON's address while using in solidity (recommended):This is similar with the grammar of the conversion from other types converted to address type in Ethereum. 2. address judgement Solidity has. Bevor wir unseren Smart Contract erstellen können, erhältst du hier noch kurz eine kleine Einführung über die Datentypen von Solidity. Hash: 256-Bit, 32-Byte-Daten-Chunk, indizierbar in Bytes und mit bitweisen Operationen betreibbar. uint: 256-Bit Ganzzahl ohne Vorzeichen, die mit bitweisen und vorzeichenlosen arithmetischen Operationen. The Solidity data types can be classified according to the data location. If a variable stores its own data; it is a value type. If it holds a location of the data; it is a reference type. We have gone through value types in previous articles. So, in this article, we will learn about reference types

GitHub - GNSPS/solidity-bytes-utils: Utility Solidity

  1. Solidity does not support any functionality like this at the time of writing. Therefore, we provide a reliable and gas efficient pattern to check if two strings are equal or not. Several solutions to this problem have been implemented over the last years. One of the first was part of the StringUtils library provided by the Ethereum Foundation, which did a pairwise comparison of each character.
  2. Summary. In this article, we learned about variables in Solidity. We also covered up state, local variables, and different types with a value type. Then, we tried to understand Booleans, Integers, bytes, string, and an enum. There are other value types available such as Address and Function that we'll learn in our next article Function And.
  3. Les variables de type bytes et string sont des tableaux spéciaux. Un byte est semblable à un byte[], mais il est condensé en calldata et en mémoire. string est égal à bytes, mais ne permet pas l'accès à la longueur ou à l'index. Solidity does not have string manipulation functions, but there are third-party string libraries

The 'address' element in the solidity tutorial refers to the 20-byte value, which represents the size of the Ethereum address. An address could basically help in getting the balance by using the method of '.balance.' The method could help in transferring the balance to other addresses through the '.transfer' method TRON smart contract support Solidity language in (Ethereum). Currently recommend Solidity language version is 0.4.24 ~ 0.4.25. Write a smart contract, then build the smart contract and deploy it to TRON network. When the smart contract is triggered, the corresponding function will be executed automatically. Smart Contract Features¶ TRON virtual machine is based on Ethereum solidity language. Solidity is a special language with many little quirks. A lot of things behave differently in Solidity than most other languages as Solidity is created to work on the EVM with its limited feature set. I wrote a blog post with ten tips to save gas in Solidity a few months back and it got a great response. Since then, I have gathered more tips. string and bytes are dynamic types. Specifically, they are arrays, respectively, of UTF-8 characters and of bytes. For that reason, the above return types are not really simple uni-dimensional arrays like those of getInts and getAddresses, but are instead bi-dimensional arrays with a dynamic inner type. And because of that, they cannot be. Solidity assert and require are convenience functions that check for conditions. In cases when conditions are not met, they throw exceptions. Note: you should apply assert only for internal errors or for analyzing invariants. If code is well-written, it will not result in a failing assert statement. Such issues signal bugs in contracts

Inspired by the Provable code here, this function computes the string representation of a uint256 number returned as bytes array. Strings in Solidity are UTF-8 encoded. The value 48 implies the character '0'. So to convert a number to the correct string, we essentially compute and store 48 + remainder of modulo 10 for each digit. function toStringBytes( uint256 v ) internal pure returns (bytes. Solidity is an object-oriented, high-level language for developing dApps (Decentralized applications), on the Ethereum blockchain.. A blockchain is a peer-to-peer network of computers, called nodes, that share all the data and the code in the network. So, if you're a device connected to the blockchain, you are a node in the network, and you talk to all the other computer nodes in the network. Solidity reserves four 32-byte slots, with specific byte ranges (inclusive of endpoints) being used as follows: 0x00 - 0x3f (64 bytes): scratch space for hashing methods; 0x40 - 0x5f (32 bytes): currently allocated memory size (aka. free memory pointer) 0x60 - 0x7f (32 bytes): zero slot; Scratch space can be used between statements (i.e. within inline assembly). The zero slot is used as.

Blockchain Technology: Solidity Tutorials -Part-V

This article should help you pass the interview if you want to take a position of an Ethereum Solidity developer. It is divided into 2 parts, where I tried to consider all aspects and nuances of. Solidity by Example. version 0.7.6. Delegatecall. delegatecall is a low level function similar to call. When contract A executes delegatecall to contract B, B's code is excuted. with contract A's storage, msg.sender and msg.value. // SPDX-License-Identifier: MIT pragma solidity ^0.7.6; // NOTE: Deploy this contract first contract B { // NOTE: storage layout must be the same as contract A uint. Uint256 value is 32-bytes wide; this fixed-size value is called a slot in Ethereum context. This model is similar to virtual random access memory with an exception that the address width is 256 bits (unlike the standard 32 and 64-bits) and each value size is 32 bytes instead of one. 256-bit wide address is enough room for a well-known Solidity trick: any 256-bit hash can be used as an address.

Efficient, Usable, And Cheap Storage of IPFS Hashes In

Solidity Security: Comprehensive list of known attack vectors and common anti-patterns. Although in its infancy, Solidity has had widespread adoption and is used to compile the byte-code in many Ethereum smart contracts we see today. There have been a number of harsh lessons learnt by developers and users alike in discovering the nuances of the. [Solidity中string跟bytes32的轉換] -- by Brian Po-han Chen 譬如說: 0xdc53e55bf330421c07022e6bbc4707abe3748ec1d89c4b95d80ee8247c087ff9 轉換成.. Solidity always places new objects at the free memory pointer and memory is never freed (this might change in the future). Elements in memory arrays in Solidity always occupy multiples of 32 bytes (this is even true for byte[], but not for bytes and string). Multi-dimensional memory arrays are pointers to memory arrays. The length of a dynamic array is stored at the first slot of the array and.

solidity - How to convert a bytes32 to string - Ethereum

  1. t}. * For a generic mechanism see {ERC20Mintable}. * * TIP: For a.
  2. Excerpt from Solidity documentation. In the above example, y is a pointer to the same location known as x, and modifying one causes changes in the other.But in our case, we are trying to assign a memory array to a storage variable which, being of a different type, cannot produce a pointer to that memory location
  3. Get started with Solidity. - [Instructor] Solidity is aesthetically typed language. In other words, each variable types must be specified. So, let's take a look at the major types. So, let's erase.
  4. @gitpusha: I would have expected it to not compile because `GelatoBytes.calldataSliceSelector` accepts Data Location `calldata` and here `_payload` is `memory

The byte data type - Solidity Programming Essential

In this article, I'll describe how you can modularise your smart contracts using something called the target pattern.Using standard Solidity, you will learn how to rewrite your brittle, tighly-coupled calls to clean modules and separation of concerns, using abi.encodeSelector and target.call(data).To do this, we're going to look at HumanityDAO as an example - and how they separated governance. @gitpusha: Thanks for helping! To be honest, I am a bit out of my depth when it comes to byte shifting in solidity (and general) Homepage of solidity : https://solidity.readthedocs.io/en/develop/Remix : http://remix.ethereum.orgSource code : https://github.com/willitscale/learning-soli.. String compare in solidity. dave123124 Member Posts: 11 . August 2015 in Solidity. I'm trying to compare an inputted string parameter with a string previously saved and getting compiler error: ERROR Solidity: :64:6: Error: Operator == not compatible with types string memory and string storage pointer

String and bytes family in solidity. I have no resentment towards solidity, and I am used to go, python, and C/C++. When using solidity to write contracts, I am always a little excited (dandan) and sad. This article is a summary of the pits encountered by this rookie. If you are not correct or unsatisfied, please correct me and I will try my. Defined in Data.Solidity.Prim.Bytes. Methods. abiPut:: Putter (BytesN n) Source # n <= 32 => AbiType (BytesN n) Source # Instance details. Defined in Data.Solidity.Prim.Bytes. Methods. isDynamic:: Proxy (BytesN n) -> Bool Source # The fixed length BytesN type. type BytesN n = SizedByteArray n Bytes Source # Sized byte array with fixed length in bytes . Orphan instances. IsString Bytes Source. Solidity Bytes Arrays Utils. Bytes tightly packed arrays utility library for ethereum contracts written in Solidity. The library lets you concatenate, slice and type cast bytes arrays both in memory and storage. Given this library has an all-internal collection of methods it doesn't make sense having it reside in the mainnet. Instead it will only be available in EPM as an installable package.

Then I call the solidity function, passing these two 32 byte values. The question is - in solidity, how do I combine two byte32 values back to a 64 byte value (into a value of bytes type)? I need that for generating an address from that 64 byte public key. I want to avoid costly looping and concatenating byte by byte. I am sure you can do the. The type bytes32 can hold 32 (raw) bytes. In the assignment bytes32 samevar = stringliteral;, the string literal is interpreted in its raw byte form and if you inspect somevar and see a 32-byte hex value, this is just stringliteral in hex. The type bytes is similar, only that it can change its length

The hash of the four bytes that make the string 0xFF, to pick an example, is not the same as the hash of the single byte 0xFF. I considered converting the numbers byte-by-byte into a string, but if I end up with a \0 somewhere in there, then the string breaks. I think I'll raise this on GitHub. I'm sure someone else will crash into this. Utilities. Miscellaneous contracts and libraries containing utility functions you can use to improve security, work with new data types, or safely use low-level primitives. Pausable: provides a simple way to halt activity in your contracts (often in response to an external threat). ReentrancyGuard: protects you from reentrant calls Online Solidity Decompiler There are many contracts deployed on the Ethereum network with no source or ABI publicly available. This makes verifying their security and understanding their behaviour a difficult task without the right tools, such as a decompiler. This tool decompiles Ethereum contract bytecode into more readable Solidity-like code, allowing for better understanding of such. Solidity Static Analysis Bytes and string length are not the same since strings are assumed to be UTF-8 encoded (according to the ABI defintion) therefore one character is not nessesarily encoded in one byte of data. Example: function length (string memory a) public pure returns (uint) {bytes memory x = bytes (a); return x. length;} Delete from dynamic array: 'delete' on an array.

Types — Solidity 0

  1. With Solidity, one can directly verify the changes made by a method in storage by retrieving those variables from a contract. But testing for a successful method execution takes some strategy. Well that is not entirely true, when a test is successful - it is usually obvious why it passed. However, when a test fails, it is essential to understand why it failed. To help in such cases, Solidity.
  2. Verification of externally created ECDSA signatures in Solidity - ECDSA.sol. Skip to content. All gists Back to GitHub Sign in Sign up Sign in Sign up {{ message }} Instantly share code, notes, and snippets. BjornvdLaan / ECDSA.sol. Created Aug 12, 2018. Star 2 Fork 1 Star Code Revisions 1 Stars 2 Forks 1. Embed. What would you like to do? Embed Embed this gist in your website. Share Copy.
  3. g languages on Ethereum. Something missing? Check out the official Solidity reference or Vyper reference.. The content of our latest cheat sheets is open source and you are welcome to suggest changes at our GitHub repository.. Looking for a different version

pragma solidity ^0.6.1; contract CharitySplitter { address public owner; constructor (address _owner) public { require(_owner != address(0), no-owner-provided); owner = _owner; } } There is a factory contract — CharitySplitterFactory which is used to create and manage instances of CharitySplitter. In the factory we can wrap the new CharitySplitter(charityOwner) in a try/catch as a failsafe. In Solidity's function overloading return types are not considered. The reason is to keep function call resolution context-independent. The JSON description of the ABI however contains both inputs and outputs. Argument Encoding¶ Starting from the fifth byte, the encoded arguments follow. This encoding is also used in other places, e.g. the return values and also event arguments are encoded.

This Solidity cheat sheet is designed for the one who has already started learning about the Ethereum and using Solidity as a tool, then this sheet will be handy reference. Don't worry if you are a beginner and have no idea about how Solidity works, this cheat sheet will give you a quick reference of the keywords, variables, syntax and basics that you must know to get started Welcome to the Solang Solidity Compiler, the portable Solidity compiler. Using Solang, you can compile smart contracts written in Solidity for Parity Substrate, Solana, Sawtooth Sabre, and Ethereum ewasm.It uses the llvm compiler framework to produce WebAssembly (wasm) or BPF contract code. As result, the output is highly optimized, which saves you in gas costs •To:32-byte address Write code in Solidity (or another front-end language) ⇒compile to EVM bytecode (recent projects use WASM or BPF bytecode) ⇒miners use the EVM to execute contract bytecode in response to a Tx. The EVM Stack machine (like Bitcoin) but with JUMP •max stack depth = 1024 •program aborts if stack size exceeded; miner keeps gas •contract can create or call anothe April 2021: Updating the entire The Solidity Programming Language Section (3 hours of FullHD videos, coding sections, Quizzes, and Hands-On Challenges with Solutions) March 2021: Updating The Ethereum Blockchain Platform Section. February 2021: Starting Rerecording the entire course to bring it to 2021 and beyond Top 10 Solidity Issues. Solidity is a great programming language, and many experts are fascinated with the structure and usage facilities it offers. However, you need to address some certain solidity vulnerabilities before you move to use it for a smart contract

Solidity by Example — Solidity 0

Solidity supports String literal using both double quote () and single quote ('). It provides string as a data type to declare a variable of type String. pragma solidity ^0.5.0; contract SolidityTest { string data = test; } In above example, test is a string literal and data is a string variable. More preferred way is to use byte types instead of String as string operation requires more. Solidity Bug Info. If used on memory byte arrays, result of the function ``abi.decode`` can depend on the contents of memory outside of the actual byte array that is decoded. The ABI specification uses pointers to data areas for everything that is dynamically-sized. When decoding data from memory (instead of calldata), the ABI decoder did not. Solidity Bug Info. When assigning a dynamically-sized array with types of size at most 16 bytes in storage causing the assigned array to shrink, some parts of deleted slots were not zeroed out. Consider a dynamically-sized array in storage whose base-type is small enough such that multiple values can be packed into a single slot, such as. Unlike in the C language, string literals in Solidity do imply trailing value zeroes. For instance, bar will represent a three byte element instead of four. Similarly, in the case of integer. Solidity Modifier einfach erklärt. Wenn du einen Smart Contract erstellst, wird eine Art Nachricht an die Blockchain gesendet. Diese Nachricht erlaubt dir sozusagen den Zugang zu deinem Contract. Damit nun niemand anderes außer der Ersteller des Smart Contracts etwas verändern kann, erstellen wir eine neue Variable vom Typ Adresse namens.

Solidity Tutorial : all about Addresses by Jean Cvllr

How to concatenate strings in solidity? - Stack Exchang

Now Solidity is using the revert opcode. To distinguish between regular reverts and these system reverts, Solidity prefixes the return data with an identifier: Regular Revert Errors start with the first four bytes of keccak256(Error(string)) which equals 0x08c379a It'd be wasteful to use all 32 bytes if a variable only needs 16 bytes. Solidity optimizes for storage efficiency by packing two smaller data types into one storage slot if possible. Let's change a and b so they are only 16 bytes each: pragma solidity ^0.4.11; contract C {uint128 a; uint128 b; function C() {a = 1; b = 2;}} Compile the contract: $ solc --bin --asm c3.sol. The generated. Making a flash loan with Solidity (Aave, Dy/Dx, Kollateral) Post author By jdourlens; Post date May 10, 2020; No Comments on Making a flash loan with Solidity (Aave, Dy/Dx, Kollateral) Flash Loans are loans that allow the borrowing of an asset, as long as the borrowed amount (and a fee) is returned before the end of the transaction. Those types of loans enable you to perform actions without. So, you heard the news: Solidity 0.6.0 is out. And it got some breaking changes! In this post & attached video I want to go through some of the changes hands-on. Video Walkthrough:Override and Virtual KeywordsDirectly from the Solidity Docs: Functions can now only be overridden whe

Bitcoin Client in Solidity Stelios Daveas2, Kostis Karantias3, Aggelos Kiayias1,3, and Dionysis Zindros2,3 1 University of Edinburgh akiayias@inf.ed.ac.uk 2 University of Athens sdaveas@gmail.com, dionyziz@gmail.com 3 IOHK kkarantias@gmail.com Abstract. Superlight clients enable the verification of proof-of-work-based blockchains by checking only a small representative number of block headers. Hover over Ethereum Account addresses to download the byte-code, source-code or open it in the browser; Hover over ASM instructions to show their signatures; Hover over keywords to show basic Security Notes ; Hover over StateVar's to show declaration information; Views. Cockpit View Explor and focus on solidity files in your workspace; Generate report/graphs for any files/folders selected in. Solidity is a javascript like a language used to code smart contracts on the Ethereum platform. It compiles into a bytecode format that is understood by the Ethereum Virtual machine (EVM). It's a strongly typed language with the ability to define custom data structures. Introduction to Solidity part 1 will teach you to utilize a subset of solidity functionality to create a template of a.

EO

@gitpusha: > the code we were tweaking does not use slices Yes, indeed UniDex - Audit Report Summary. UniDex is a decentralized exchange for ERC20 tokens that allows users to swap tokens using limit orders. The team is also developing a dashboard to monitor users' liquidity pool positions and fees earned. For this audit, we analyzed UniDex's contracts that handle the platform's Automated Market Maker platform with Limit Orders, currently integrated with Uniswap Below shows an example Solidity function that verifies a single signature. It is the small signature and big public key setup. A signature is a 64 bytes \Bbb G_1 group element, and its calldata is a length 2 array of uint256. On the other hand, a public key is a 128 bytes \Bbb G_2 group element, and its calldata is a length 4 array of uint256

idiana96/solidity-bytes-utils: Utility Solidity library

  1. For all fixed-length Solidity types, the EVENT_INDEXED_ARGS array contains the 32-byte encoded value directly. However, for types of dynamic length, which include string, bytes, and arrays, EVENT_INDEXED_ARGS will contain the Keccak hash of the encoded value, rather than the encoded value directly. This allows applications to efficiently query.
  2. Debugging is a crucial exercise when authoring Solidity smart contracts. Debugging denotes finding issues, bugs, and removing them by changing code. It's very difficult to debug a sensible contract if there's adequate support from tools and utilities. Generally, debugging involves executing each line of code step by step, finding the present state of temporary, local, and global variables.
  3. So konvertieren Sie Bytes in Solidity in uint - Antworten Hie
  4. Units and Globally Available Variables — Solidity 0
  5. solidity-bytes-utils - npm Package Health Analysis Sny
  6. Working with Strings in Solidity Hacker Noo
  7. How to manipulate strings in Solidity? - EatTheBlock

Data Representation in Solidity solidity-data-representatio

Unique Sorting using Value Arrays | by Julian GoddardConvert UUID UTF-8 string representation to HEXLearning SolidityAutoglyphs
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