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24 lines
28 KiB
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<html><head><title>Hashing</title><link rel="stylesheet" type="text/css" href="/static/style.css"></head><body><div class="sidebar"><div class="header"><div class="logo"><a href="/"><div class="image"></div><div class="name">ethers</div><div class="version">v5.0-beta</div></a></div></div><div class="toc"><div><div class="link title"><a href="/">Documentation</a></div><div class="base show link depth-1"><a href="/getting-started/">Getting Started</a></div><div class="hide link depth-2"><a href="/getting-started/#installing">Installing</a></div><div class="hide link depth-2"><a href="/getting-started/#importing">Importing</a></div><div class="base show link depth-1"><a href="/concepts/">Concepts</a></div><div class="hide link depth-2"><a href="/concepts/events/">Events</a></div><div class="hide link depth-3"><a href="/concepts/events/#solidity-topics">Solidity Topics</a></div><div class="hide link depth-2"><a href="/concepts/gas/">Gas</a></div><div class="hide link depth-3"><a href="/concepts/gas/#gas-price">Gas Price</a></div><div class="hide link depth-3"><a href="/concepts/gas/#gas-limit">Gas Limit</a></div><div class="base ancestor show link depth-1"><a href="/api/">Application Programming Interface</a></div><div class="show link depth-2"><a href="/api/contract/">Contracts</a></div><div class="hide link depth-3"><a href="/api/contract/#buckets">Buckets</a></div><div class="show link depth-2"><a href="/api/signer/">Signers</a></div><div class="hide link depth-3"><a href="/api/signer/#signer">Signer</a></div><div class="hide link depth-3"><a href="/api/signer/#wallet">Wallet</a></div><div class="hide link depth-3"><a href="/api/signer/#voidsigner">VoidSigner</a></div><div class="hide link depth-3"><a href="/api/signer/#externallyownedaccount">ExternallyOwnedAccount</a></div><div class="show link depth-2"><a href="/api/providers/">Providers</a></div><div class="hide link depth-3"><a href="/api/providers/provider/">Provider</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#accounts-methods">Accounts Methods</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#blocks-methods">Blocks Methods</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#ethereum-naming-service-(ens)-methods">Ethereum Naming Service (ENS) Methods</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#logs-methods">Logs Methods</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#network-status-methods">Network Status Methods</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#transactions-methods">Transactions Methods</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#event-emitter-methods">Event Emitter Methods</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#inspection-methods">Inspection Methods</a></div><div class="hide link depth-3"><a href="/api/providers/jsonrpc-provider/">JsonRpcProvider</a></div><div class="hide link depth-4"><a href="/api/providers/jsonrpc-provider/#jsonrpcsigner">JsonRpcSigner</a></div><div class="hide link depth-4"><a href="/api/providers/jsonrpc-provider/#jsonrpcuncheckedsigner">JsonRpcUncheckedSigner</a></div><div class="hide link depth-3"><a href="/api/providers/api-providers/">API Providers</a></div><div class="hide link depth-4"><a href="/api/providers/api-providers/#etherscanprovider">EtherscanProvider</a></div><div class="hide link depth-4"><a href="/api/providers/api-providers/#infuraprovider">InfuraProvider</a></div><div class="hide link depth-4"><a href="/api/providers/api-providers/#alchemyprovider">AlchemyProvider</a></div><div class="hide link depth-4"><a href="/api/providers/api-providers/#cloudfrontprovider">CloudfrontProvider</a></div><div class="hide link depth-3"><a href="/api/providers/other/">Other Providers</a></div><div class="hide link depth-4"><a href="/api/providers/other/#fallbackprovider">FallbackProvider</a></div><div class="hide link depth-4"><a href="/api/providers/other/#ipcprovider">IpcProvider</a></div><div class="hide link depth-4"><a href="/api/providers/other/#urljsonrpcprovider">UrlJsonRpcProvider</a></div><div class="hide link depth-4"><a href="/api/providers/other/#web3provider">Web3Provider</a></div><div class="hide link depth-3"><a href="/api/providers/types/">Types</a></div><div class="hide link depth-4"><a href="/api/providers/types/#network">Network</a></div><div class="hide link depth-4"><a href="/api/providers/types/#block">Block</a></div><div class="hide link depth-4"><a href="/api/providers/types/#events-and-logs">Events and Logs</a></div><div class="hide link depth-4"><a href="/api/providers/types/#transactions">Transactions</a></div><div class="ancestor show link depth-2"><a href="/api/utils/">Utilities</a></div><div class="show link depth-3"><a href="/api/utils/abi/">Application Binary Interface</a></div><div class="hide link depth-4"><a href="/api/utils/abi/#formats">Formats</a></div><div class="hide link depth-4"><a href="/api/utils/abi/#interface">Interface</a></div><div class="hide link depth-4"><a href="/api/utils/abi/#fragment">Fragment</a></div><div class="hide link depth-4"><a href="/api/utils/abi/#constructorfragment">ConstructorFragment</a></div><div class="hide link depth-4"><a href="/api/utils/abi/#eventfragment">EventFragment</a></div><div class="hide link depth-4"><a href="/api/utils/abi/#functionfragment">FunctionFragment</a></div><div class="hide link depth-4"><a href="/api/utils/abi/#paramtype">ParamType</a></div><div class="show link depth-3"><a href="/api/utils/address/">Addresses</a></div><div class="hide link depth-4"><a href="/api/utils/address/#address-formats">Address Formats</a></div><div class="hide link depth-4"><a href="/api/utils/address/#functions">Functions</a></div><div class="show link depth-3"><a href="/api/utils/bignumber/">BigNumber</a></div><div class="hide link depth-4"><a href="/api/utils/bignumber/#types">Types</a></div><div class="hide link depth-4"><a href="/api/utils/bignumber/#creating-instances">Creating Instances</a></div><div class="hide link depth-4"><a href="/api/utils/bignumber/#methods">Methods</a></div><div class="hide link depth-4"><a href="/api/utils/bignumber/#notes">Notes</a></div><div class="show link depth-3"><a href="/api/utils/bytes/">Byte Manipulation</a></div><div class="hide link depth-4"><a href="/api/utils/bytes/#types">Types</a></div><div class="hide link depth-4"><a href="/api/utils/bytes/#inspection">Inspection</a></div><div class="hide link depth-4"><a href="/api/utils/bytes/#converting-between-arrays-and-hexstrings">Converting between Arrays and Hexstrings</a></div><div class="hide link depth-4"><a href="/api/utils/bytes/#array-manipulation">Array Manipulation</a></div><div class="hide link depth-4"><a href="/api/utils/bytes/#hexstring-manipulation">Hexstring Manipulation</a></div><div class="hide link depth-4"><a href="/api/utils/bytes/#signature-conversion">Signature Conversion</a></div><div class="hide link depth-4"><a href="/api/utils/bytes/#random-bytes">Random Bytes</a></div><div class="show link depth-3"><a href="/api/utils/constants/">Constants</a></div><div class="hide link depth-4"><a href="/api/utils/constants/#bytes">Bytes</a></div><div class="hide link depth-4"><a href="/api/utils/constants/#strings">Strings</a></div><div class="hide link depth-4"><a href="/api/utils/constants/#bignumber">BigNumber</a></div><div class="show link depth-3"><a href="/api/utils/display-logic/">Display Logic and Input</a></div><div class="hide link depth-4"><a href="/api/utils/display-logic/#units">Units</a></div><div class="hide link depth-4"><a href="/api/utils/display-logic/#functions">Functions</a></div><div class="show link depth-3"><a href="/api/utils/encoding/">Encoding Utilities</a></div><div class="hide link depth-4"><a href="/api/utils/encoding/#base58">Base58</a></div><div class="hide link depth-4"><a href="/api/utils/encoding/#base64">Base64</a></div><div class="hide link depth-4"><a href="/api/utils/encoding/#recursive-length-prefix">Recursive-Length Prefix</a></div><div class="show link depth-3"><a href="/api/utils/fixednumber/">FixedNumber</a></div><div class="hide link depth-4"><a href="/api/utils/fixednumber/#creating-instances">Creating Instances</a></div><div class="hide link depth-4"><a href="/api/utils/fixednumber/#properties">Properties</a></div><div class="hide link depth-4"><a href="/api/utils/fixednumber/#methods">Methods</a></div><div class="hide link depth-4"><a href="/api/utils/fixednumber/#fixedformat">FixedFormat</a></div><div class="myself ancestor ancestor show link depth-3"><a href="/api/utils/hashing/">Hashing Algorithms</a></div><div class="child link depth-4"><a href="/api/utils/hashing/#cryptographic-hashing">Cryptographic Hashing</a></div><div class="child link depth-4"><a href="/api/utils/hashing/#common-hashing-helpers">Common Hashing Helpers</a></div><div class="child link depth-4"><a href="/api/utils/hashing/#solidity-hashing-algorithms">Solidity Hashing Algorithms</a></div><div class="show link depth-3"><a href="/api/utils/hdnode/">HD Wallet</a></div><div class="hide link depth-4"><a href="/api/utils/hdnode/#types">Types</a></div><div class="hide link depth-4"><a href="/api/utils/hdnode/#hdnode">HDNode</a></div><div class="hide link depth-4"><a href="/api/utils/hdnode/#other-functions">Other Functions</a></div><div class="show link depth-3"><a href="/api/utils/logger/">Logger</a></div><div class="hide link depth-4"><a href="/api/utils/logger/#errors">Errors</a></div><div class="hide link depth-4"><a href="/api/utils/logger/#creating-instances">Creating instances</a></div><div class="show link depth-3"><a href="/api/utils/properties/">Property Utilities</a></div><div class="show link depth-3"><a href="/api/utils/signing-key/">Signing Key</a></div><div class="hide link depth-4"><a href="/api/utils/signing-key/#other-functions">Other Functions</a></div><div class="show link depth-3"><a href="/api/utils/strings/">Strings</a></div><div class="hide link depth-4"><a href="/api/utils/strings/#bytes32string">Bytes32String</a></div><div class="hide link depth-4"><a href="/api/utils/strings/#utf-8-strings">UTF-8 Strings</a></div><div class="hide link depth-4"><a href="/api/utils/strings/#unicodenormalizationform">UnicodeNormalizationForm</a></div><div class="hide link depth-4"><a href="/api/utils/strings/#custom-utf-8-error-handling">Custom UTF-8 Error Handling</a></div><div class="show link depth-3"><a href="/api/utils/transactions/">Transactions</a></div><div class="hide link depth-4"><a href="/api/utils/transactions/#types">Types</a></div><div class="hide link depth-4"><a href="/api/utils/transactions/#functions">Functions</a></div><div class="show link depth-3"><a href="/api/utils/web/">Web Utilities</a></div><div class="show link depth-3"><a href="/api/utils/wordlists/">Wordlists</a></div><div class="hide link depth-4"><a href="/api/utils/wordlists/#wordlist">Wordlist</a></div><div class="hide link depth-4"><a href="/api/utils/wordlists/#languages">Languages</a></div><div class="show link depth-2"><a href="/api/other/">Other Libraries</a></div><div class="hide link depth-3"><a href="/api/other/assembly/">Assembly</a></div><div class="hide link depth-4"><a href="/api/other/assembly/dialect/">Ethers ASM Dialect</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#opcodes">Opcodes</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#labels">Labels</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#literals">Literals</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#comments">Comments</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#scopes">Scopes</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#data-segment">Data Segment</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#links">Links</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#stack-placeholders">Stack Placeholders</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#evaluation-and-excution">Evaluation and Excution</a></div><div class="hide link depth-4"><a href="/api/other/assembly/api/">Utilities</a></div><div class="hide link depth-5"><a href="/api/other/assembly/api/#assembler">Assembler</a></div><div class="hide link depth-5"><a href="/api/other/assembly/api/#disassembler">Disassembler</a></div><div class="hide link depth-5"><a href="/api/other/assembly/api/#opcode">Opcode</a></div><div class="hide link depth-4"><a href="/api/other/assembly/ast/">Abstract Syntax Tree</a></div><div class="hide link depth-5"><a href="/api/other/assembly/ast/#types">Types</a></div><div class="hide link depth-5"><a href="/api/other/assembly/ast/#nodes">Nodes</a></div><div class="hide link depth-3"><a href="/api/other/hardware/">Hardware Wallets</a></div><div class="hide link depth-4"><a href="/api/other/hardware/#ledgersigner">LedgerSigner</a></div><div class="base show link depth-1"><a href="/cli/">Command Line Interfaces</a></div><div class="hide link depth-2"><a href="/cli/ethers/">Sandbox Utility</a></div><div class="hide link depth-3"><a href="/cli/ethers/#help">Help</a></div><div class="hide link depth-3"><a href="/cli/ethers/#examples">Examples</a></div><div class="hide link depth-2"><a href="/cli/asm/">Assembler</a></div><div class="hide link depth-3"><a href="/cli/asm/#help">Help</a></div><div class="hide link depth-3"><a href="/cli/asm/#example-input-files">Example Input Files</a></div><div class="hide link depth-3"><a href="/cli/asm/#assembler-examples">Assembler Examples</a></div><div class="hide link depth-3"><a href="/cli/asm/#disassembler-examples">Disassembler Examples</a></div><div class="hide link depth-2"><a href="/cli/ens/">ENS</a></div><div class="hide link depth-3"><a href="/cli/ens/#help">Help</a></div><div class="hide link depth-3"><a href="/cli/ens/#examples">Examples</a></div><div class="hide link depth-2"><a href="/cli/typescript/">TypeScript</a></div><div class="hide link depth-3"><a href="/cli/typescript/#help">Help</a></div><div class="hide link depth-3"><a href="/cli/typescript/#examples">Examples</a></div><div class="hide link depth-2"><a href="/cli/plugin/">Making Your Own</a></div><div class="hide link depth-3"><a href="/cli/plugin/#cli">CLI</a></div><div class="hide link depth-3"><a href="/cli/plugin/#plugin">Plugin</a></div><div class="hide link depth-3"><a href="/cli/plugin/#argparser">ArgParser</a></div><div class="base show link depth-1"><a href="/cookbook/">Cookbook</a></div><div class="base show link depth-1"><a href="/migration/">Migration Guide</a></div><div class="hide link depth-2"><a href="/migration/web3/">Migration: From Web3.js</a></div><div class="hide link depth-3"><a href="/migration/web3/#contracts">Contracts</a></div><div class="hide link depth-3"><a href="/migration/web3/#providers">Providers</a></div><div class="hide link depth-3"><a href="/migration/web3/#numbers">Numbers</a></div><div class="hide link depth-3"><a href="/migration/web3/#utilities">Utilities</a></div><div class="hide link depth-2"><a href="/migration/ethers-v4/">Migration: From Ethers v4</a></div><div class="hide link depth-3"><a href="/migration/ethers-v4/#bignumber">BigNumber</a></div><div class="hide link depth-3"><a href="/migration/ethers-v4/#contracts">Contracts</a></div><div class="hide link depth-3"><a href="/migration/ethers-v4/#errors">Errors</a></div><div class="hide link depth-3"><a href="/migration/ethers-v4/#interface">Interface</a></div><div class="hide link depth-3"><a href="/migration/ethers-v4/#utilities">Utilities</a></div><div class="hide link depth-3"><a href="/migration/ethers-v4/#wallet">Wallet</a></div><div class="base show link depth-1"><a href="/testing/">Testing</a></div><div class="base show link depth-1"><a href="/contributing/">Contributing and Hacking</a></div><div class="hide link depth-2"><a href="/contributing/#building">Building</a></div><div class="base show link depth-1"><a href="/documentation/">Flatworm Docs</a></div><div class="hide link depth-2"><a href="/documentation/#fragments">Fragments</a></div><div class="hide link depth-2"><a href="/documentation/#markdown">Markdown</a></div><div class="hide link depth-2"><a href="/documentation/#configuration">Configuration</a></div><div class="hide link depth-2"><a href="/documentation/#extended-directive-functions">Extended Directive Functions</a></div><div class="base show link depth-1"><a href="/license/">License and Copyright</a></div></div></div></div><div class="content"><div class="breadcrumbs"><a href="/">Documentation</a> » <a href="/api/">Application Programming Interface</a> » <a href="/api/utils/">Utilities</a> » <span class="current">Hashing</span></div>
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<a name="hashing-algorithms"></a><h1 class="show-anchors"><div>Hashing Algorithms<div class="anchors"><a class="self" href="#hashing-algorithms"></a></div></div></h1>
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<p>Explain what hash functions are?</p>
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<a name="cryptographic-hashing"></a><h2 class="show-anchors"><div>Cryptographic Hashing<div class="anchors"><a class="self" href="#cryptographic-hashing"></a></div></div></h2>
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<p>The <a href="https://en.wikipedia.org/wiki/Cryptographic_hash_function">Cryptographic Hash Functions</a> are a specific family of hash functions.</p>
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<a name="utils-keccak256"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span> . <span class="path">utils</span> . <span class="method">keccak256</span> ( <span class="param">aBytesLike</span> ) <span class="arrow">⇒</span> <span class="returns">string< <a href="/api/utils/bytes/#datahexstring">DataHexstring</a>< 32 > ></span><div class="anchors"><a class="self" href="#utils-keccak256"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/keccak256/src.ts/index.ts#L7">source</a></div></div><div class="body"><p>Returns the <a href="https://en.wikipedia.org/wiki/SHA-3">KECCAK256</a> digest <i>aBytesLike</i>.</p></div></div>
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<a name="utils-ripemd160"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span> . <span class="path">utils</span> . <span class="method">ripemd160</span> ( <span class="param">aBytesLike</span> ) <span class="arrow">⇒</span> <span class="returns">string< <a href="/api/utils/bytes/#datahexstring">DataHexstring</a>< 20 > ></span><div class="anchors"><a class="self" href="#utils-ripemd160"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/sha2/src.ts/index.ts#L14">source</a></div></div><div class="body"><p>Returns the <a href="https://en.m.wikipedia.org/wiki/RIPEMD">RIPEMD-160</a> digest of <i>aBytesLike</i>.</p></div></div>
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<a name="utils-sha256"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span> . <span class="path">utils</span> . <span class="method">sha256</span> ( <span class="param">aBytesLike</span> ) <span class="arrow">⇒</span> <span class="returns">string< <a href="/api/utils/bytes/#datahexstring">DataHexstring</a>< 32 > ></span><div class="anchors"><a class="self" href="#utils-sha256"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/sha2/src.ts/index.ts#L18">source</a></div></div><div class="body"><p>Returns the <a href="https://en.wikipedia.org/wiki/SHA-2">SHA2-256</a> digest of <i>aBytesLike</i>.</p></div></div>
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<a name="utils-sha512"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span> . <span class="path">utils</span> . <span class="method">sha512</span> ( <span class="param">aBytesLike</span> ) <span class="arrow">⇒</span> <span class="returns">string< <a href="/api/utils/bytes/#datahexstring">DataHexstring</a>< 64 > ></span><div class="anchors"><a class="self" href="#utils-sha512"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/sha2/src.ts/index.ts#L22">source</a></div></div><div class="body"><p>Returns the <a href="https://en.wikipedia.org/wiki/SHA-2">SHA2-512</a> digest of <i>aBytesLike</i>.</p></div></div>
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<a name="utils-computehmac"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span> . <span class="path">utils</span> . <span class="method">computeHmac</span> ( <span class="param">algorithm</span> , <span class="param">key</span> , <span class="param">data</span> ) <span class="arrow">⇒</span> <span class="returns">string< <a href="/api/utils/bytes/#datahexstring">DataHexstring</a> ></span><div class="anchors"><a class="self" href="#utils-computehmac"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/sha2/src.ts/index.ts#L27">source</a></div></div><div class="body"><p>Returns the <a href="https://en.wikipedia.org/wiki/HMAC">HMAC</a> of <i>data</i> with <i>key</i> using the <a href="/api/utils/hashing/#supported-algorithm">Algorithm</a> <i>algorithm</i>.</p></div></div>
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<a name="supported-algorithm"></a><a name="hmac-supported-algorithms"></a><h3 class="show-anchors"><div>HMAC Supported Algorithms<div class="anchors"><a class="self" href="#supported-algorithm"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/sha2/src.ts/index.ts#L11">source</a></div></div></h3>
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<div class="property show-anchors"><div class="signature"><span class="path">ethers</span> . <span class="path">utils</span> . <span class="path">SupportedAlgorithm</span> . <span class="method">sha256</span> <span class="arrow">⇒</span> <span class="returns">string</span><div class="anchors"></div></div><div class="body"><p>Use the <a href="https://en.wikipedia.org/wiki/SHA-2">SHA2-256</a> hash algorithm.</p></div></div>
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<div class="property show-anchors"><div class="signature"><span class="path">ethers</span> . <span class="path">utils</span> . <span class="path">SupportedAlgorithm</span> . <span class="method">sha512</span> <span class="arrow">⇒</span> <span class="returns">string</span><div class="anchors"></div></div><div class="body"><p>Use the <a href="https://en.wikipedia.org/wiki/SHA-2">SHA2-512</a> hash algorithm.</p></div></div>
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<a name="common-hashing-helpers"></a><h2 class="show-anchors"><div>Common Hashing Helpers<div class="anchors"><a class="self" href="#common-hashing-helpers"></a></div></div></h2>
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<a name="utils-hashmessage"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span> . <span class="path">utils</span> . <span class="method">hashMessage</span> ( <span class="param">message</span> ) <span class="arrow">⇒</span> <span class="returns">string< <a href="/api/utils/bytes/#datahexstring">DataHexstring</a>< 32 > ></span><div class="anchors"><a class="self" href="#utils-hashmessage"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/hash/src.ts/index.ts#L53">source</a></div></div><div class="body"><p>Computes the Ethereum message digest of <i>message</i>. Ethereum messages are converted to UTF-8 bytes and prefixed with <code class="inline">\x19Ethereum Signed Message:</code> and the length of <i>message</i>.</p></div></div>
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<a name="utils-id"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span> . <span class="path">utils</span> . <span class="method">id</span> ( <span class="param">text</span> ) <span class="arrow">⇒</span> <span class="returns">string< <a href="/api/utils/bytes/#datahexstring">DataHexstring</a>< 32 > ></span><div class="anchors"><a class="self" href="#utils-id"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/hash/src.ts/index.ts#L47">source</a></div></div><div class="body"><p>The Ethereum Identity function computs the keccak256 hash of the <i>text</i> bytes.</p></div></div>
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<a name="utils-namehash"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span> . <span class="path">utils</span> . <span class="method">namehash</span> ( <span class="param">name</span> ) <span class="arrow">⇒</span> <span class="returns">string< <a href="/api/utils/bytes/#datahexstring">DataHexstring</a>< 32 > ></span><div class="anchors"><a class="self" href="#utils-namehash"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/hash/src.ts/index.ts#L29">source</a></div></div><div class="body"><p>Returns the <a href="https://docs.ens.domains/contract-api-reference/name-processing#hashing-names">ENS Namehash</a> of <i>name</i>.</p></div></div>
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<a name="solidity-hashing-algorithms"></a><h2 class="show-anchors"><div>Solidity Hashing Algorithms<div class="anchors"><a class="self" href="#solidity-hashing-algorithms"></a></div></div></h2>
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<p>When using the Solidity <code class="inline">abi.packEncoded(...)</code> function, a non-standard <i>tightly packed</i> version of encoding is used. These functions implement the tightly packing algorithm.</p>
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<a name="utils-soliditypack"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span> . <span class="path">utils</span> . <span class="method">solidityPack</span> ( <span class="param">arrayOfTypes</span> , <span class="param">arrayOfValues</span> ) <span class="arrow">⇒</span> <span class="returns">string< <a href="/api/utils/bytes/#datahexstring">DataHexstring</a> ></span><div class="anchors"><a class="self" href="#utils-soliditypack"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/solidity/src.ts/index.ts#L73">source</a></div></div><div class="body"><p>Returns the non-standard encoded <i>arrayOfValues</i> packed according to their respecive type in <i>arrayOfTypes</i>.</p></div></div>
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<a name="utils-soliditykeccak256"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span> . <span class="path">utils</span> . <span class="method">solidityKeccak256</span> ( <span class="param">arrayOfTypes</span> , <span class="param">arrayOfValues</span> ) <span class="arrow">⇒</span> <span class="returns">string< <a href="/api/utils/bytes/#datahexstring">DataHexstring</a>< 32 > ></span><div class="anchors"><a class="self" href="#utils-soliditykeccak256"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/solidity/src.ts/index.ts#L82">source</a></div></div><div class="body"><p>Returns the KECCAK256 of the non-standard encoded <i>arrayOfValues</i> packed according to their respective type in <i>arrayOfTypes</i>.</p></div></div>
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<a name="utils-soliditysha256"></a><div class="property show-anchors"><div class="signature"><span class="path">ethers</span> . <span class="path">utils</span> . <span class="method">soliditySha256</span> ( <span class="param">arrayOfTypes</span> , <span class="param">arrayOfValues</span> ) <span class="arrow">⇒</span> <span class="returns">string< <a href="/api/utils/bytes/#datahexstring">DataHexstring</a>< 32 > ></span><div class="anchors"><a class="self" href="#utils-soliditysha256"></a><a class="source" href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/solidity/src.ts/index.ts#L86">source</a></div></div><div class="body"><p>Returns the SHA2-256 of the non-standard encoded <i>arrayOfValues</i> packed according to their respective type in <i>arrayOfTypes</i>.</p></div></div><div class="footer"><div class="nav previous"><a href="/api/utils/fixednumber/"><span class="arrow">←</span>FixedNumber</a></div> <div class="nav next"><a href="/api/utils/hdnode/">HD Wallet<span class="arrow">→</span></a></div></div><div class="copyright">The content of this site is licensed under the <a href="https://choosealicense.com/licenses/cc-by-4.0/">Creative Commons Attribution 4.0 International License</a>.</div></div><script src="/script.js" type="text/javascript"></script></body></html><!-- ContentHash:c73c28c2355efb3b2cd6b4829cd3c7a12978761ac236c8324e283a1b5965e2ae --> |