subscan-explorer/subscan-api-docs

The API documentation of subscan.io.

subscan-api-docs's Issues

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/api/scan/treasury/tippers docs is missing

Documentation of contract detail API method (`/api/scan/evm/contract`) does not explain the value of `external_libraries` field when linked libraries are used

Issue

The documentation for the contract detail API method contains an example of output to demonstrate its use. However, this example has external_libraries: null. Presumably that means this contract does not use linked libraries. Unfortunately this example leaves the reader with no idea of what the value of external_libraries would be if the contract in question did use linked libraries. This should be documented.

Background

So, I'm asking about this because I work for Truffle and we have a package, @truffle/source-fetcher, which allows one to automatically download verified contract source code from either Etherscan or Sourcify. (It feeds into another package, @truffle/fetch-and-compile, which then recompiles the verified source.) We'd like to potentially expand this to other services, such as Subscan. (We have an issue open for it here.) To add Subscan, we'd need to know how the relevant API works; it seems mostly pretty self explanatory, but external_libraries is a big question.

Normally in a case like this I'd determine the answer by just deploying a test contract, verifying it myself, and trying out the API on it; but Subscan only supports verification on a few particular networks, and most of those aren't testnets, so they don't have faucets from which I could get ether (or the local equivalent) which which to deploy a test contract. The two that are testnets (Pangolin and Pangoro), I couldn't get the faucet to work. That's not your issue, obviously, but it did prevent me from just testing it out myself. (I initially mistakenly thought that you supported verification on Moonbase Alpha as well, but it appears that's not the case; which is just as well, while I could get the faucet to work there I ran into other issues with deployment on that network (that are also unrelated to you, to be clear)).

So, I tried to get an answer to this question one more way, by finding a contract already verified on Subscan which uses linked libraries, and seeing what the results are for that. I couldn't find a single one!

So I have no idea how this field works. Any help here (ideally in the form of updating the documentation) would be appreciated.

Thank you!

how to get a nominator's rank in it's validator list of nominators?

Hello,
Getting reward from Polkadot staking is highly dependent on ones rank in the list of nominators of ones current validator.
If I'm often ranked lower than 250th it's important to be able to notice in order to change validators.
I can't find an API call that would return the current rank of a nominator's address inside the list of all nominators addresses of the current validator. Is it possible to get this info or to derive this info from different API requests?

pagination page parameter refactor

how to load data for fund balance

I’m trying to get the data for the fund balance for a specific ParaId as shown for example here:
https://kusama.subscan.io/crowdloan/2004-6?tab=fund_balance

Reading the api documentation I found those two calls:

1. POST /api/scan/parachain/funds
2. POST /api/scan/parachain/contributes

I figured, if I use the 2nd call with the specified paraId in the body of my POST, I could get all the contributions and sum them up over time, but I see there are many rows and pages, and I'm not sure that calling so many calls to retrieve all pages would be the right approach..

Does anybody know how to do it?

Which api can send staking ad unstaking transaction ?

Which api can send staking ad unstaking transaction ?

CI support

@wi1dcard 能帮忙加个ci，部署一下么，github page 或者集群都ok

Price History Average

I just played with the Price History API, and the "average" value returned does not make sense to me.

For example, look at this query, for the price of Polkadot over the last year:

curl -X POST 'https://polkadot.api.subscan.io/api/scan/price/history' \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: YOUR-KEY' \
  --data-raw '{
    "start": "2022-01-01",
    "end": "2023-01-01"
  }'

I get the following result:

Expand JSON

{
	"code": 0,
	"message": "Success",
	"generated_at": 1681334221,
	"data": {
		"average": "4.819207",
		"ema7_average": "4.38945",
		"list": [
			{
				"feed_at": 1640995200,
				"price": "27.4934253444875"
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			{
				"feed_at": 1641081600,
				"price": "29.0845735302208333"
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				"price": "26.425757369825"
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				"price": "4.5055526336430556"
			},
			{
				"feed_at": 1672099200,
				"price": "4.5123883143916667"
			},
			{
				"feed_at": 1672185600,
				"price": "4.3570632835177083"
			},
			{
				"feed_at": 1672272000,
				"price": "4.3110992910722222"
			},
			{
				"feed_at": 1672358400,
				"price": "4.2937901536871528"
			},
			{
				"feed_at": 1672444800,
				"price": "4.3383410044836806"
			}
		]
	}
}

Average value listed above is "average": "4.819207",, however, if you calculate the average of the 365 days it is actually 11.602....

So what is this average value?