ethereumjs-monorepo

@ethereumjs/util

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@ethereumjs/util / setLengthLeft

Function: setLengthLeft()

setLengthLeft(msg, length, opts): Uint8Array

Defined in: packages/util/src/bytes.ts:170

Left Pads a Uint8Array with leading zeros till it has length bytes. Throws if input length exceeds target length, unless allowTruncate option is true.

Parameters

msg

Uint8Array

the value to pad

length

number

the number of bytes the output should be

opts

SetLengthOpts = {}

options object with allowTruncate flag

Returns

Uint8Array