Questions tagged [explorer-api]

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votes
1answer
7 views

Cost at block number

Is their any API available that gets me the price of Eth in USD for example at a particular blocknumber?
1
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1answer
20 views

Get deployed contract dynamically in node JS

I am using Node JS and ethereum smart-contract. Every time contract gets deployed new addresses generated. Is there a way that node JS always gets an updated address of a contract? Any API so that I ...
0
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0answers
21 views

How to trace transactions to get information about hot and cold wallets?

I am researching ways how to trace transactions to get data about hot and cold wallets of exchanges, gambling sites, cantors, mixers. What sources of data could I use? What algorithms and scripts ...
2
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1answer
70 views

How can I query an API to get my erc20 token balance of an address in JSON format?

Is there an api where I can query if an address contains an erc20 token? I need it returned in JSON format.
0
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0answers
230 views

How to connect to Etherscan Ropsten API using python

I want to connect to the etherscan Ropsten test-net with python: URL = 'https://api-ropsten.etherscan.io/api?module=contract&action=getsourcecode&address=...
1
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2answers
188 views

Could I use Infura to get the token details?

I went through https://infura.io/docs but not sure if Infura could allow me to read token details like owner, token Id, etc. I also googled on how to read token using Infura but to no avail. Has ...
2
votes
1answer
48 views

What is the ABI code of a map's getter function?

I'm currently trying to call Etherscan's API eth_call to check data from a smart contract. To do that, I need to pass the function ABI code and data. However, the data I need is stored in a map and I'...
1
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0answers
61 views

Web3 method getTransactionReceipt() does not return token transfer value for particular token transaction

I've tested getTransactionReceipt(), to get all detail about transaction with amount of token transfer. Also tested getTransaction but it returns only Ether transferred value. Is there any other ...
0
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1answer
273 views

Is there any working provider for Ethereum Classic APIs?

Provider used for Ethereum is Infura, but there is no any provider for Ethereum Classic. Previously tested Ethercluster endpoint to access APIs for Ethereum Classic, not able to connect with Kotti ...
0
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1answer
77 views

Is there any API to create Addresss and wallet as well as make transfer for ETC (Ethereum Classic)?

There is balance checking, transaction list and transaction receipt getting APIs available for Ethereum Classic (ETC)? Is ETC coin is only available on Ethereum Classic or its listed block explorer ...
2
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1answer
347 views

Etherscan api for Ropsten testnet

I found this endpoint is to obtain the token balance from Ethereum blockchain, however, I noticed that this function doesn't work on Rospten network. Please advise https://api.etherscan.io/api?module=...
0
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1answer
50 views

Any QuickBlocks tutorial?

From my understanding QuickBlocks is an api in C++ that provides similar services as etherscan API for the ethereum blockchain. Is there a link or tutorial to use quickkblocks because the example in ...
1
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1answer
91 views

Query a block explorer to return the balance of a specific type of token in an ethereum address? [duplicate]

Is there a block explorer where one can query an address and it outputs the balance of a specific type of token? Is there an example of how this can be done?
0
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1answer
101 views

getting result of a method of smart contract that don't change any state variables

I know in ethereum if a method of smart contract don't change state variables we can see it's result without making any transaction. now I want to know how can see result of this method ...
1
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0answers
62 views

Search addresses by Two ERC20 Tokens [closed]

Hello, friends! How to find Eth addresses that are stored at the same time 2 (or 3) defined ERC20 tokens? I'm just an ordinary user, so would be grateful for the solutions to make it simple. ...
4
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7answers
3k views

Is there any websocket ethereum provider?

Is there any websocket ethereum provider? Except etherscan one. Maybe there are paid wss subscriptions?
1
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1answer
54 views

Where, or how, can I programmatically get a complete history of the major cryptocurrencies?

I would like to programmatically get a complete list of the historical: Number of transactions Average Transaction Fee Hashrate Mining Profitability Difficulty Block Time Block Size related to the ...
0
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0answers
28 views

What actually happens on the blockchain as a storage element is updated over time? [duplicate]

An "under the hood question" about actual contract storage elements. If I add an element to a contract storage data time, for example, a list of zombies owned by different people in a game, what ...
1
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2answers
138 views

Can I download all transactions into EOS ICO as a excel file?

I would like to download all transactions into EOS ICO as an excel file. I know etherscan provides this service but it only allows me to download 2000 transactions. But the transactions into EOS crowd ...
4
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2answers
3k views

API to gather list of top token holders

I working on a Ethereum project and I would like to gather a list of top X (20 for example) Ethereum accounts. This would behave similar to etherscan.io (https://etherscan.io/accounts) Is there an ...
0
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2answers
103 views

Missing ETH in EOSCrowdsale address

EOS is a ERC20 token which is currently sold for ETH. 2 million EOS are sold every 23 hours for about 20K ETH as seen on https://eos.io/distribution/ However, what puzzle me is that when I do a ...
3
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2answers
2k views

How to get contract data?

Let's say we have information about WePower contract. I would like get some information about this contract via API. For eg. this, https://api.etherscan.io/api?module=contract&action=getabi&...
2
votes
1answer
1k views

Etherscan Get ERC20 Count of Address

How do I get the count of an erc20 token e.g. KNC of an address via Etherscan API? Or is there another API that can do that? thx
11
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5answers
9k views

REST-Like API for Ethereum

I'm researching REST-Like API services for Ethereum in order to use it on our service. However, there are only a few services I could find. I'd very grateful if you could share the other services. ...
5
votes
1answer
576 views

API resource for determining all address holders of a contract

I would like a RESTful API for viewing all addresses which holds a balance of a specific contract. It seems that etherscan.io deprecated this feature, or I'm looking at the wrong endpoints Are there ...
1
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0answers
205 views

Ethereum token sale api

I was curious, and well am not a developer. However I was wondering if someone could provide the code to create the /ethereum sent to an ico contract addresss/ API from etherscan. Dcorp and several ...
3
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6answers
6k views

Are there any blockchain/transaction APIs for the Ethereum network?

In the Bitcoin world there are a number of APIs such as: blockchain.info blockr.io blockcypher.com etc. which allow a web application to access block and transaction data from the blockchain, as ...