Ethereum: What does “prev_out” and “n” mean in blockchain.info’s API data?
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Ponimania data transaction ethereum: Prev_out I
Blockchain.info imposes API for informed about blockchain transaction. Work with your own API, the disabilities are frequently paid with two concrete points of data, which on the first view can be the naked:Prev_outand n. In this state, we will think that these values are presented in the transaction of Ethereum.
Prev_out
Prev_out- This is an object that appears in each transaction on the Ethereum block. He represents the output, which was sent to the concrete address (also the existence of "half") in the time of transaction. Second words,Prev_outassemble information about the amount of Etira (ETH) or other tokens, overcrowded from the kitten.
Everybody's objectPrev_out
- sums : Substantial sum or other tokens, emitted.
- Address
: Addresses, which draws the output, which is precisely represented by one open key, as 0x … (for example, 0x1234567890abcdef).
3.
n
Values n in each objectprev_out always 0 or 1. In ethereum there are tricks forn:
0: Odin ETH ETH.
1: There was a few ETH entries.
This is a resistant value, because it is in place on the widespread operating operats with the inteling counteract and the most translyized finance (defi) ethereum.
Interpretation
TRIM WORK with transaction with help API blockchain.info dissatisfied the following walls:
- If the transaction contains the objection
Prev_outwith the valuesn, more 0, it indicates that one and that one is used for the non -collar output. This can be problematical in the dimingets with the intrateical counterattacks, so as this can be adjacent to the non -prolonged wit.
- When
NNine 1, you can use the essential amount of eth unwavering without further insights.
The best projects
To make the current and renewable insignificance of the work with the transaction of Ethereum, follow these Recorations:
- All the way to check the values
Prev_out.n.
- Behafted at the use of several entrances for detachments (then there are values that prevail 0).
- It is unaccurate with the analysis of transaction, to escape the potential problems.
Ponima, that “Prev_outand nn introduce one in the transaction of ethereum, disturbances may be better oriented in api blockchain.info and make the impact functional function.