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function formatUnits(value, unit?): string
Converts value into a decimal string, assuming unit decimal places. The unit may be the number of decimal places or the name of a unit (e.g. "gwei" for 9 decimal places).

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Parameters

ParameterTypeDescription
valueBigNumberishThe value to convert.
unit?string | NumericThe unit to convert to. Default is 18

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Returns

string The converted value.

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Throws

If the unit is invalid.

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Source

utils/units.ts:33