Billing Cases
Dedicated Edition
Assume that you have purchased an Ethereum node with the specifications of 16 vCPUs | 64 GB, used NES for 1 month (30 days), used 1024 GB memory, and made 3 million API calls. The bill will include:
- Monthly node fee = Duration x Price (USD)
- Monthly storage fee = Duration x Usage (GB) x Price (USD)
- Monthly API calling fee = Number of API calls x Price (USD)
Total fee = Node fee + Storage fee + API calling fee
In this case, the total fee is USD1373.1.
Shared Edition
- Calculation of the total fee
Assume that you have purchased a professional edition (monthly) package for one month. The package takes effect at 08:00:00 on January 01, 2024 and expires at 23:59:59 on February 01, 2024. So the package includes 600 million available CUs in current month. By January 25, 2024, you have used 601.005 million CUs. The billing mode is as follows:
- Package fee = USD49 x Number of months
- Fee of excess CUs = USD1.2 x (Number of used CUs – Number of available CUs in the package)/1,000,000
USD1.2 x (601,005,000 – 600,000,000)/1,000,000 = USD1.2 (round off to one decimal place)
Total fee = Package fee + Fee of excess CUs
In this case, the total fee is USD50.2.
- Calculation of the remaining CUs in the package
Assume that the CUs in the package are 10,000. The eth_blockNumber method is called 10 times via HTTP and consumes 10 CUs each time. The newHeads is subscribed to via WebSocket and 1 KB (1024 bytes) of subscription data is received, with each byte consumes 0.04 CUs. The bill will include:
Number of CUs consumed via HTTP + Number of CUs consumed via WebSocket = Consumed CUs
10 calls x 10 CUs + 1024 bytes x 0.04 CUs = 140.96 CUs
Remaining CUs = 10,000 – 140.96 = 9859.04
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