BlockTemplate

Block template data from getblocktemplate (BIP 22/23/9/145).

struct BlockTemplate

Overview

Contains everything needed to construct a candidate block for mining. Fee and coinbase value fields are in satoshis (not BTCAmount).

Note

Targets Bitcoin Core v31.x.

Topics

Initializers

init(from: any Decoder) throws

Instance Properties

let bits: String
Compressed target of next block.
let coinbaseaux: [String : String]
Data that should be included in the coinbase’s scriptSig content.
let coinbasevalue: Int64
Maximum allowable input to coinbase transaction, including the generation award and transaction fees (in satoshis).
let curtime: UnixTimestamp
Current timestamp.
let defaultWitnessCommitment: String?
A valid witness commitment for the unmodified block template (optional).
let height: Int
The height of the next block.
let longpollid: String
An id to include with a request to longpoll on an update to this template.
let mintime: UnixTimestamp
The minimum timestamp appropriate for the next block time.
let mutable: [String]
List of ways the block template may be changed.
let noncerange: String
A range of valid nonces (hex).
let previousblockhash: String
The hash of the current highest block.
let rules: [String]
Specific block rules that are to be enforced (BIP 9).
let sigoplimit: Int
Limit of sigops in blocks.
let sizelimit: Int
Limit of block size.
let target: String
The hash target.
let transactions: [BlockTemplateTransaction]
Non-coinbase transactions that should be included in the next block.
let vbavailable: [String : Int]
Set of pending, supported versionbit (BIP 9) softfork deployments. Keys are rule names, values are bit numbers.
let vbrequired: Int
Bit mask of versionbits the server requires set in submissions.
let version: Int
The preferred block version.
let weightlimit: Int
Limit of block weight.