Function assertTransactionCIP42

src/celo/serializers.ts:82–136

(
  transaction: TransactionSerializableCIP42,
)

const MAX_MAX_FEE_PER_GAS = maxUint256

export function assertTransactionCIP42(
  transaction: TransactionSerializableCIP42,
) {
  const {
    chainId,
    maxPriorityFeePerGas,
    gasPrice,
    maxFeePerGas,
    to,
    feeCurrency,
    gatewayFee,
    gatewayFeeRecipient,
  } = transaction
  if (chainId <= 0) throw new InvalidChainIdError({ chainId })
  if (to && !isAddress(to)) throw new InvalidAddressError({ address: to })
  if (gasPrice)
    throw new BaseError(
      '`gasPrice` is not a valid CIP-42 Transaction attribute.',
    )

  if (isPresent(maxFeePerGas) && maxFeePerGas > MAX_MAX_FEE_PER_GAS)
    throw new FeeCapTooHighError({ maxFeePerGas })

  if (
    isPresent(maxPriorityFeePerGas) &&
    isPresent(maxFeePerGas) &&
    maxPriorityFeePerGas > maxFeePerGas
  )
    throw new TipAboveFeeCapError({ maxFeePerGas, maxPriorityFeePerGas })

  if (
    (isPresent(gatewayFee) && isEmpty(gatewayFeeRecipient)) ||
    (isPresent(gatewayFeeRecipient) && isEmpty(gatewayFee))
  ) {
    throw new BaseError(
      '`gatewayFee` and `gatewayFeeRecipient` must be provided together.',
    )
  }

  if (isPresent(feeCurrency) && !isAddress(feeCurrency)) {
    throw new BaseError(
      '`feeCurrency` MUST be a token address for CIP-42 transactions.',
    )
  }

  if (isPresent(gatewayFeeRecipient) && !isAddress(gatewayFeeRecipient)) {
    throw new InvalidAddressError(gatewayFeeRecipient)
  }

  if (isEmpty(feeCurrency) && isEmpty(gatewayFeeRecipient)) {
    throw new BaseError(
      'Either `feeCurrency` or `gatewayFeeRecipient` must be provided for CIP-42 transactions.',
    )
  }
}

export function assertTransactionCIP64(
  transaction: TransactionSerializableCIP64,