Function encodeBytes

src/utils/abi/encodeAbiParameters.ts:294–323

(
  value: Hex,
  { param }: { param: param },
)

  | ErrorType

function encodeBytes<const param extends AbiParameter>(
  value: Hex,
  { param }: { param: param },
): PreparedParam {
  const [, paramSize] = param.type.split('bytes')
  const bytesSize = size(value)
  if (!paramSize) {
    let value_ = value
    // If the size is not divisible by 32 bytes, pad the end
    // with empty bytes to the ceiling 32 bytes.
    if (bytesSize % 32 !== 0)
      value_ = padHex(value_, {
        dir: 'right',
        size: Math.ceil((value.length - 2) / 2 / 32) * 32,
      })
    return {
      dynamic: true,
      encoded: concatHex([
        padHex(numberToHex(bytesSize, { size: 32 })),
        value_,
      ]),
    }
  }
  if (bytesSize !== Number.parseInt(paramSize, 10))
    throw new AbiEncodingBytesSizeMismatchError({
      expectedSize: Number.parseInt(paramSize, 10),
      value,
    })
  return { dynamic: false, encoded: padHex(value, { dir: 'right' }) }
}

type EncodeBoolErrorType = PadHexErrorType | BoolToHexErrorType | ErrorType