注意: このページはまだ日本語に翻訳されていません。以下は英語の原文です。 
function zeroPadBytes(data, length): string
Return the DataHexString | DataHexString of data padded on the right to length bytes. If data already exceeds %%length%%, a BufferOverrunError is thrown. This pads data the same as bytes are in Solidity (e.g. bytes16).

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Parameters

ParameterTypeDescription
dataBytesLikeThe data to pad.
lengthnumberThe length to pad to.

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Returns

string The padded data.

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Source

utils/data.ts:267