Function prepareEncodeFunctionData

src/utils/abi/prepareEncodeFunctionData.ts:84–111

(
  parameters: PrepareEncodeFunctionDataParameters<abi, functionName>,
)

  | ErrorType

export function prepareEncodeFunctionData<
  const abi extends Abi | readonly unknown[],
  functionName extends ContractFunctionName<abi> | undefined = undefined,
>(
  parameters: PrepareEncodeFunctionDataParameters<abi, functionName>,
): PrepareEncodeFunctionDataReturnType<abi, functionName> {
  const { abi, args, functionName } =
    parameters as PrepareEncodeFunctionDataParameters

  let abiItem = abi[0]
  if (functionName) {
    const item = getAbiItem({
      abi,
      args,
      name: functionName,
    })
    if (!item) throw new AbiFunctionNotFoundError(functionName, { docsPath })
    abiItem = item
  }

  if (abiItem.type !== 'function')
    throw new AbiFunctionNotFoundError(undefined, { docsPath })

  return {
    abi: [abiItem],
    functionName: toFunctionSelector(formatAbiItem(abiItem)),
  } as unknown as PrepareEncodeFunctionDataReturnType<abi, functionName>
}