<divclass="link title"><ahref="/v5/">Documentation</a></div><divclass="base show link depth-1"><ahref="/v5/getting-started/">Getting Started</a></div><divclass="base show link depth-1"><ahref="/v5/concepts/">Ethereum Basics</a></div><divclass="hide link depth-2"><ahref="/v5/concepts/events/">Events</a></div><divclass="hide link depth-2"><ahref="/v5/concepts/gas/">Gas</a></div><divclass="hide link depth-2"><ahref="/v5/concepts/security/">Security</a></div><divclass="base ancestor show link depth-1"><ahref="/v5/api/">Application Programming Interface</a></div><divclass="show link depth-2"><ahref="/v5/api/contract/">Contract Interaction</a></div><divclass="hide link depth-3"><ahref="/v5/api/contract/contract/">Contract</a></div><divclass="hide link depth-3"><ahref="/v5/api/contract/contract-factory/">ContractFactory</a></div><divclass="hide link depth-3"><ahref="/v5/api/contract/example/">Example: ERC-20 Contract</a></div><divclass="show link depth-2"><ahref="/v5/api/signer/">Signers</a></div><divclass="show link depth-2"><ahref="/v5/api/providers/">Providers</a></div><divclass="hide link depth-3"><ahref="/v5/api/providers/provider/">Provider</a></div><divclass="hide link depth-3"><ahref="/v5/api/providers/jsonrpc-provider/">JsonRpcProvider</a></div><divclass="hide link depth-3"><ahref="/v5/api/providers/api-providers/">API Providers</a></div><divclass="hide link depth-3"><ahref="/v5/api/providers/other/">Other Providers</a></div><divclass="hide link depth-3"><ahref="/v5/api/providers/types/">Types</a></div><divclass="ancestor show link depth-2"><ahref="/v5/api/utils/">Utilities</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/abi/">Application Binary Interface</a></div><divclass="hide link depth-4"><ahref="/v5/api/utils/abi/coder/">AbiCoder</a></div><divclass="hide link depth-4"><ahref="/v5/api/utils/abi/formats/">ABI Formats</a></div><divclass="hide link depth-4"><ahref="/v5/api/utils/abi/fragments/">Fragments</a></div><divclass="hide link depth-4"><ahref="/v5/api/utils/abi/interface/">Interface</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/address/">Addresses</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/bignumber/">BigNumber</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/bytes/">Byte Manipulation</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/constants/">Constants</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/display-logic/">Display Logic and Input</a></div><divclass="myself ancestor ancestor show link depth-3"><ahref="/v5/api/utils/encoding/">Encoding Utilities</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/fixednumber/">FixedNumber</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/hashing/">Hashing Algorithms</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/hdnode/">HD Wallet</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/logger/">Logging</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/properties/">Property Utilities</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/signing-key/">Signing Key</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/strings/">Strings</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/transactions/">Transactions</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/web/">Web Utilities</a></div><divclass="show link depth-3"><ahref="/v5/api/utils/wordlists/">Wordlists</a></div><divclass="show link depth-2"><ahref="/v5/api/other/">Other Libraries</a></div><divclass="hide link depth-3"><ahref="/v5/api/other/assembly/">Assembly</a></div><divclass="hide link depth-4"><ahref="/v5/api/other/assembly/dialect/">Ethers ASM Dialect</a></div><divclass="hide link depth-4"><ahref="/v5/api/other/assembly/api/">Utilities</a></div><divclass="hide link depth-4"><ahref="/v5/api/other/assembly/ast/">Abstract Syntax Tree</a></div><divclass="hide link depth-3"><ahref="/v5/api/other/hardware/">Hardware Wallets</a></div><divclass="sho
<divclass="property show-anchors"><divclass="signature"><spanclass="path">ethers</span><spanclass="symbol">.</span><spanclass="path">utils</span><spanclass="symbol">.</span><spanclass="path">base58</span><spanclass="symbol">.</span><spanclass="method">decode</span><spanclass="symbol">(</span><spanclass="param">textData</span><spanclass="symbol">)</span><spanclass="arrow">⇒</span><spanclass="returns">Uin8Array</span><divclass="anchors"></div></div><divclass="body"><p>Return a typed Uint8Array representation of <i>textData</i> decoded using base-58 encoding.</p>
</div></div><divclass="property show-anchors"><divclass="signature"><spanclass="path">ethers</span><spanclass="symbol">.</span><spanclass="path">utils</span><spanclass="symbol">.</span><spanclass="path">base58</span><spanclass="symbol">.</span><spanclass="method">encode</span><spanclass="symbol">(</span><spanclass="param">aBytesLike</span><spanclass="symbol">)</span><spanclass="arrow">⇒</span><spanclass="returns">string</span><divclass="anchors"></div></div><divclass="body"><p>Return <i>aBytesLike</i> encoded as a string using the base-58 encoding.</p>
<divclass="property show-anchors"><divclass="signature"><spanclass="path">ethers</span><spanclass="symbol">.</span><spanclass="path">utils</span><spanclass="symbol">.</span><spanclass="path">base64</span><spanclass="symbol">.</span><spanclass="method">decode</span><spanclass="symbol">(</span><spanclass="param">textData</span><spanclass="symbol">)</span><spanclass="arrow">⇒</span><spanclass="returns">Uin8Array</span><divclass="anchors"><aclass="source"href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/base64/src.ts/index.ts#L6">source</a></div></div><divclass="body"><p>Return a typed Uint8Array representation of <i>textData</i> decoded using base-64 encoding.</p>
</div></div><divclass="property show-anchors"><divclass="signature"><spanclass="path">ethers</span><spanclass="symbol">.</span><spanclass="path">utils</span><spanclass="symbol">.</span><spanclass="path">base64</span><spanclass="symbol">.</span><spanclass="method">encode</span><spanclass="symbol">(</span><spanclass="param">aBytesLike</span><spanclass="symbol">)</span><spanclass="arrow">⇒</span><spanclass="returns">string</span><divclass="anchors"><aclass="source"href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/base64/src.ts/index.ts#L10">source</a></div></div><divclass="body"><p>Return <i>aBytesLike</i> encoded as a string using the base-64 encoding.</p>
</div></div><aname="rlp--methods"></a><aname="encoding--rlp--methods"></a><h2class="show-anchors"><div>Recursive-Length Prefix<divclass="anchors"><aclass="self"href="/v5/api/utils/encoding/#rlp--methods"></a></div></div></h2><p>The <ahref="https://github.com/ethereum/wiki/wiki/RLP">Recursive Length Prefix</a> encoding is used throughout Ethereum to serialize nested structures of Arrays and data.</p>
<aname="utils-rlpEncode"></a><divclass="property show-anchors"><divclass="signature"><spanclass="path">ethers</span><spanclass="symbol">.</span><spanclass="path">utils</span><spanclass="symbol">.</span><spanclass="path">RLP</span><spanclass="symbol">.</span><spanclass="method">encode</span><spanclass="symbol">(</span><spanclass="param">dataObject</span><spanclass="symbol">)</span><spanclass="arrow">⇒</span><spanclass="returns">string<<ahref="/v5/api/utils/bytes/#DataHexString">DataHexString</a>></span><divclass="anchors"><aclass="self"href="/v5/api/utils/encoding/#utils-rlpEncode"></a><aclass="source"href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/rlp/src.ts/index.ts#L67">source</a></div></div><divclass="body"><p>Encode a structured Data Object into its RLP-encoded representation.</p>
<p>Each Data component may be an valid <ahref="/v5/api/utils/bytes/#BytesLike">BytesLike</a>.</p>
</div></div><aname="utils.rlpDecode"></a><divclass="property show-anchors"><divclass="signature"><spanclass="path">ethers</span><spanclass="symbol">.</span><spanclass="path">utils</span><spanclass="symbol">.</span><spanclass="path">RLP</span><spanclass="symbol">.</span><spanclass="method">decode</span><spanclass="symbol">(</span><spanclass="param">aBytesLike</span><spanclass="symbol">)</span><spanclass="arrow">⇒</span><spanclass="returns"><ahref="/v5/api/utils/encoding/#rlp--dataobject">DataObject</a></span><divclass="anchors"><aclass="self"href="/v5/api/utils/encoding/#utils.rlpDecode"></a><aclass="source"href="https://github.com/ethers-io/ethers.js/blob/ethers-v5-beta/packages/rlp/src.ts/index.ts#L147">source</a></div></div><divclass="body"><p>Decode an RLP-encoded <i>aBytesLike</i> into its structured Data Object.</p>
<p>All Data components will be returned as a <ahref="/v5/api/utils/bytes/#DataHexString">DataHexString</a>.</p>
</div></div><aname="rlp--dataobject"></a><aname="encoding--rlp--methods--rlp--dataobject"></a><h3class="show-anchors"><div>Data Object<divclass="anchors"><aclass="self"href="/v5/api/utils/encoding/#rlp--dataobject"></a></div></div></h3><p>A <b>Data Object</b> is a recursive structure which is used to serialize many internal structures in Ethereum. Each <b>Data Object</b> can either be:</p>
<p><ul><li>Binary Data </li><li>An Array of <b>Data Objects</b> (i.e. this recursively includes Nesting) </li></ul></p>
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