Crypto json data
Help us translate the latest version. Primarily the specification defines several data structures and the rules around their processing. It is transport agnostic in that the concepts can be used within the same process, over sockets, over HTTP, or in many various message passing environments. See individual client documentation for further details related to specific programming languages.
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Content:
- How to get price data for Bitcoin and cryptocurrencies with python (JSON RESTful API)
- Crypto API Documentation
- ALPHA VANTAGE
- How to encrypt and decrypt data in Node.js
- How to get the current price of Bitcoin with Next.js and Kraken API
- Bitcoin API
- Learn the Basics of the Ethereum JSON API in 5 Minutes
- Introduction
- Encrypt and Decrypt Data in Node.js
- CoinGecko API – A Complete Guide
How to get price data for Bitcoin and cryptocurrencies with python (JSON RESTful API)
These credentials are randomly generated the first time that multichaind is called for that chain. Alternatively, on Linux you can use multichain-cli in interactive mode, to send multiple commands in a single session:. Each command is then entered in the [command] [parameters To end the session, type bye , exit , quit or Control-D. Any commands, parameters and functionality which require MultiChain Enterprise are highlighted like this. See also the list of error codes and messages. The smallest transactable unit is given by units , e.
If the chain uses a native currency, you can send some with the new asset using the native-amount parameter. Pass a JSON object in custom-fields to provide extra information about the asset. Returns the txid of the issuance transaction.
For more information, see native assets. It is useful if the node has multiple addresses with issue permissions. This is only possible if the asset is open, and by addresses with per-asset issue permissions initially, the original issuer unless the asset was created with "unrestrict":"issue".
The asset can be specified using its name, ref or issuance txid — see native assets for more information. If the chain uses a native currency, you can send some with the new asset units using the native-amount parameter. It is useful if the node has multiple addresses with per-asset issue permissions.
Pass a JSON object in the optional token-details parameter to provide extra information about the token. Set verbose to true to include the issuers and custom fields or token details for each issuance. Use count and start to retrieve part of the list only, with negative start values like the default indicating the most recent issuances.
In assets with multiple issuance events, the top-level issuetxid and details fields refer to the first issuance only — set verbose to true for details about each of the individual issuances. Use count and start to retrieve part of the list only, with negative start values like the default indicating the most recently created assets.
Extra fields are shown for assets to which this node is subscribed. This is only possible if canopen or canclose were specified on asset creation, respectively, and by addresses with per-asset admin permissions initially, the original issuer. Returns the txid of the update transaction. It is useful if the node has multiple addresses with per-asset admin permissions. Use includeLocked to include unspent outputs which have been locked, e.
This does not show separate balances for tokens of non-fungible assets — see gettokenbalances. Outputs a summary of all items in stream passed as a stream name, ref or creation txid with stream key. Any items which are marked as invalid by a stream filter are not included in the summary. The mode parameter is a comma-delimited list of keywords. For now, mode must contain jsonobjectmerge , which states that all JSON objects in the qualifying stream items should be merged into a single object.
The merged object contains all the JSON keys from the individual objects, with the latest value for each. Optional keywords include:. This API enables a stream to be efficiently used as a general-purpose database, with each stream key representing a separate entity, and each stream item representing the creation or updating of that entity. Independent of the action , you can also pass an object in options to configure the specified subscription s — see help feed-options for a list of options.
In all cases, the full current list of libraries and updates in testing is returned. This can only be called after pause incoming,mining. Successful if no error is returned. Chunks can be waiting in the queue, querying across the network, or retrieving from a specific node. The API provides both a count of chunks and the total number of bytes represented by each outcome.
Of the queries sent out to find a chunk in the network, it shows how many were successfully responded and how many were unresponded no positive response before timeout. Of the requests for delivery sent to specific nodes, it shows how many were successfully delivered , and how many were undelivered no delivery before timeout or baddelivered mismatching data delivered. Returns the hash of the last block in the chain after the change. Returns the hexadecimal string that we require in order to generate your license code.
This string is also required when using transferlicense. Activates the license confirmation that we provided to you in confirmation-hex. Returns the txid of the activation transaction. Returns information about licenses installed on this node.
Transfers a license from this node to another node connected to the same blockchain. Returns the txid of the transfer transaction. All amounts parameters specify the content of a single transaction output and can take any of the following forms:. Within these forms, assets can be specified using their name, ref or issuance txid. Note that inline metadata sits within a regular transaction output that can contain spendable assets.
This is different from regular transaction metadata or stream items which sit in a separate output that cannot be spent. In all stream item forms, a single key can be passed using "key":"key1" instead of "keys":["key1","key2"]. In addition, all stream item forms can include an optional "options":"offchain" field to publish their data off-chain. The MultiChain 2.
Nonetheless, some enhancements cause inevitable changes, and a major release is a good time to deprecate unclear input formats and shorten responses that were too verbose. Below is a full list of incompatible changes introduced in the transition from MultiChain 1. To continue including all MultiChain 1. However the separation of accounts is not preserved when bitcoin is sent out, because the internal accounting mechanism has no relationship to the bitcoin protocol itself.
This includes the commands: getaccount getaccountaddress getreceivedbyaccount listreceivedbyaccount move sendfrom sendmany setaccount. In addition it only supports an empty value for the account parameter of: addmultisigaddress getaddressesbyaccount getbalance getnewaddress.
If you are using the old wallet version, MultiChain preserves full backwards compatibility with the Bitcoin Core API, but a sendfrom is renamed to sendfromaccount , and b the accounts mechanism is not applied to native asset balances, all of which are considered as belonging to a single global account.
Overall we recommend not using accounts at all with MultiChain, and using "" for any account parameter in the API. Unlike bitcoin-style accounts, this method maps directly to the blockchain protocol. You can use multichain-cli to send a single API command in the following form: multichain-cli [chain-name] [command] [parameters Use display-names to set whether parameters are shown with display names with hyphens or canonical names without hyphens.
Note that as of MultiChain 1. Retrieves a health check for the node. Some parameters can be modified while MultiChain is running using setruntimeparam. Currently supported parameters: acceptfiltertimeout autosubscribe bantx handshakelocal hideknownopdrops lockadminminerounds lockblock lockinlinemetadata maxshowndata maxqueryscanitems mineemptyrounds miningrequirespeers miningturnover sendfiltertimeout.
From MultiChain 2. There are also incomingpaused and miningpaused fields — see the pause command. The burnaddress is an address with no known private key, to which assets can be sent to make them provably unspendable. The nodeaddress can be passed to other nodes for connecting. The setupblocks field gives the length in blocks of the setup phase in which some consensus constraints are not applied. This is relevant if the retryinittime runtime parameter is used.
Managing wallet addresses addmultisigaddress nrequired ["key", Funds sent to this address can only be spent by transactions signed by nrequired of the specified keys. Returns the P2SH address. Set verbose to true to get more information about each address, formatted like the output of the validateaddress command.
For more control see the new listaddresses command. This creates one or more watch-only addresses , whose activity and balance can be retrieved via various APIs e.
The rescan parameter controls whether and how the blockchain is rescanned for transactions relating to all wallet addresses, including these new ones. Pass true to rescan the entire chain, false to skip rescanning, and from version 1. Returns null if successful. Use count and start to retrieve part of the list only, with negative start values like the default indicating the most recently created addresses.
For each key pair, the address , pubkey as embedded in transaction inputs and privkey used for signatures is provided. Returns an object containing the P2SH address and corresponding redeem script.
For global permissions, set permissions to one of connect , send , receive , create , issue , mine , activate , admin , or a comma-separated list thereof. Use mine with caution — if too many addresses with mine permissions become inactive, your chain could become stuck see mining-diversity blockchain parameter. For per-asset, per-stream, per-variable and per-library permissions, use the form entity. Relevant permissions are issue,send,receive,activate,admin for assets, write,read,activate,admin for streams and write,activate,admin for variables and libraries.
Each grant command can only assign global permissions, or permissions for a single entity. If the chain uses a native currency, you can send some to each recipient using the native-amount parameter. Returns the txid of the grant transaction sent. For more information, see permissions management. It is useful if the node has multiple addresses with the required permissions.
Crypto API Documentation
W3C liability , trademark and document use rules apply. This document is NOT a recommendation track document, and should be read as an informative overview of the target use cases for a cryptographic API for the web. These use cases, described as scenarios, represent some of the set of expected functionality that may be achieved by the Web Cryptography API [ WebCryptoAPI ] which provides an API for cryptographic operations such as encryption and decryption, and the Key Discovery API [ webcrypto-key-discovery ], which specifically covers the ability to access cryptographic keys that have been pre-provisioned. As both APIs are under construction, the reader should consult each specification for changes, and should treat sample code provided here as illustrative only. Presented here are primary use cases, showing what the working group hopes to achieve first. This section describes the status of this document at the time of its publication.
ALPHA VANTAGE
Download your CSV Learn more about us. Minute candlesticks 3 supported exchanges Binance, Bitmex, Bitfinex More than cryptocurrency pairs with all available historical data Excel, ForexTester and Standard CSV formats available Select your cryptocurrencies and download them in a single zip file within seconds We also offer complete raw trade data. Get in touch with us. Learn how to use the API. Cancel subscription. Log out. CSV downloader Download minute price data in CSV file format for more than cryptocurrency pairs Minute candlesticks 3 supported exchanges Binance, Bitmex, Bitfinex More than cryptocurrency pairs with all available historical data Excel, ForexTester and Standard CSV formats available Select your cryptocurrencies and download them in a single zip file within seconds We also offer complete raw trade data. Get started. We use cookies to give you a better experience on CryptoDatum.
How to encrypt and decrypt data in Node.js
RSA is a popular algorithm for asymmetric public key encryption that was established more than 40 years ago. The decryption takes place with the corresponding private RSA key, which the recipient must keep secret at all times. An absolutely essential security aspect in public key encryption is ensuring the data is encrypted for the intended recipient and not some other party, which will compromise the data's confidentiality. The actual public key encryption is a two step process, to work around an RSA limitation that makes it unfeasible to encrypt data that is more than a few hundred bytes long. The library takes care of this internally, so you only need to supply the public key, the RSA algorithm name alg and the content encryption algorithm name enc in order to encrypt a piece of data, such as the claims for a JWT.
How to get the current price of Bitcoin with Next.js and Kraken API
It assumes marshalling to mean encryption to cyphertext and unmarshalling to mean decryption back to the original plaintext. This data format implements only symmetric shared-key encryption and decyption. Refers to a byte array containing the Initialization Vector that will be used to initialize the Cipher. Will lookup the type using the given name as a java. AlgorithmParameterSpec type. Flag indicating that a Message Authentication Code should be calculated and appended to the encrypted data.
Bitcoin API
If instead you want to use an asymmetric key for encryption, see Encrypting and decrypting data with an asymmetric key. Create a key ring and a key as described in Creating key rings and keys. Ensure the user that is calling the encrypt and decrypt methods has the cloudkms. For more information, see Permissions and Roles. Replace key with the name of the key to use for encryption. Replace key-ring with the name of the key ring where the key is located. Replace location with the Cloud KMS location the key ring.
Learn the Basics of the Ethereum JSON API in 5 Minutes
We constantly monitor the market for new emerging ones which we then integrate, so that you can always stay ahead of the competition. We apply encryption to REST, encryption to memory, and encryption in transit on all sensitive data. In addition to any common raw data, which you can find in general, we provide unified data. You have to integrate only once to be able to use it no matter of the specific blockchain protocols or crypto exchanges taking place.
Introduction
The CoinGecko API allows us to retrieve cryptocurrency data such as price, volume, market cap, and exchange data from CoinGecko using code. CoinGecko is a data provider and crypto tracking website for live pricings, tickers, historical data, exchanges, events, trading volumes, global markets, coin info, and more. CoinGecko can be replaced with other websites that can be more suitable for you needs. Here are some of them:. In order to get started with CoinGecko we will go over to their website that is found on the following link:. A confirmation email will be sent that will take us straight to the CoinGecko website when confirmed.
Encrypt and Decrypt Data in Node.js
Gemini's sandbox site is an instance of the Gemini Exchange that offers full exchange functionality using test funds. Go to the sandbox site to register for a test account to begin trading. You may use these funds to trade, both through the web site and through the API. Gemini's sandbox site does not support either depositing or withdrawing your test funds, which can only be used to trade on the sandbox exchange. Sandbox does not support email notifications. If you need this as part of your testing plan, please contact trading gemini. If you have any issues, or if you need to adjust your balances to test insufficient funds handling, for example , contact trading gemini.
CoinGecko API – A Complete Guide
The importKey method of the SubtleCrypto interface imports a key: that is, it takes as input a key in an external, portable format and gives you a CryptoKey object that you can use in the Web Crypto API. The function accepts several import formats: see Supported formats for details. Raised when keyUsages is empty but the unwrapped key is of type secret or private.
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