12
votes
Accepted
What is the testnet-magic argument and why is it 1097911063?
The testnet magic, aka protocol magic, is a parameter introduced in Cardano during the Byron era. It is used internally by the protocol in cryptographic functions that construct addresses from a seed. ...
- 756
9
votes
Accepted
Finding related addresses and total balance of wallet for any given address
You need db-sync to analyze wallets that you don't have the account public key for. Given an address from a wallet, you can run cardano-address inspect to identify the stake address:
cardano-address ...
- 2,572
3
votes
Accepted
What is the best way to query stake pools by ticker?
The list of stake pools should only be a couple of thousand which is tiny in comparison to number of blocks or even worse the number of transactions.
It can be done with a relatively simple SQL query ...
- 2,195
3
votes
Accepted
How to get data from the Cardano blockchain using SQL queries?
The tool in question is cardano-db-sync.
- 7,069
2
votes
How to embed smart contract in website
Many projects are using these:
Dapp Connector Wallet
Cardano Serialization Lib
Plutus smart contract
Example: https://github.com/Berry-Pool/spacebudz
https://github.com/Emurgo/cardano-serialization-...
2
votes
Get list of holders of a token using Cardano-cli or Cardano-DB-Sync or Ogmios
"List of holders" is rather unclear. If you want names, addresses and other KYC/AML stuff you won't be able to get it. Tokens are held in Cardano addresses, and any person could have more ...
- 2,195
1
vote
Get list of holders of a token using Cardano-cli or Cardano-DB-Sync or Ogmios
You can use Koios endpoint documented here, and if you run a dbsync instance, you can find the dbsync query used here
- 1,527
1
vote
How to query the address that sent a token from cardano-db-sync?
For example, how can I know that (addr1q8h ... 8k5s6cnspc) sent the token and not the other input address in this transaction? Is it actually possible to do that by only joining the tables?
The ...
- 1,527
1
vote
Accepted
First epoch slot and stability window
You can check the next epoch once the current epoch is 70+% (3.5 days) through, eg:
cardano-cli query leadership-schedule --mainnet ...... --next
You can then:
Use cron and date checking to run this ...
1
vote
How to embed smart contract in website
I've written an example precisely for these sort of questions
https://github.com/dynamicstrategies/cardano-wallet-connector
- 192
Only top scored, non community-wiki answers of a minimum length are eligible