85 lines
2.2 KiB
Swift
85 lines
2.2 KiB
Swift
//
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// Constants.swift
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// ZcashLightClientKit
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//
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// Created by Francisco Gindre on 13/09/2019.
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// Copyright © 2019 Electric Coin Company. All rights reserved.
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//
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import Foundation
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/**
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* Miner's fee in zatoshi.
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*/
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public let MINERS_FEE_ZATOSHI: BlockHeight = 10_000
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/**
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* The number of zatoshi that equal 1 ZEC.
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*/
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public let ZATOSHI_PER_ZEC: BlockHeight = 100_000_000
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/**
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* The height of the first sapling block. When it comes to shielded transactions, we do not need to consider any blocks
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* prior to this height, at all.
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*/
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public let SAPLING_ACTIVATION_HEIGHT: BlockHeight = 280_000
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/**
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* The theoretical maximum number of blocks in a reorg, due to other bottlenecks in the protocol design.
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*/
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public let MAX_REORG_SIZE = 100
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/**
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* The amount of blocks ahead of the current height where new transactions are set to expire. This value is controlled
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* by the rust backend but it is helpful to know what it is set to and shdould be kept in sync.
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*/
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public let EXPIRY_OFFSET = 20
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//
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// Defaults
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//
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/**
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* Default size of batches of blocks to request from the compact block service.
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*/
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public let DEFAULT_BATCH_SIZE = 100
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/**
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* Default amount of time, in milliseconds, to poll for new blocks. Typically, this should be about half the average
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* block time.
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*/
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public let DEFAULT_POLL_INTERVAL: UInt64 = 75_000
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/**
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* Default attempts at retrying.
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*/
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public let DEFAULT_RETRIES = 5
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/**
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* The default maximum amount of time to wait during retry backoff intervals. Failed loops will never wait longer than
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* this before retyring.
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*/
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public let DEFAULT_MAX_BACKOFF_INTERVAL: TimeInterval = 600
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/**
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* Default number of blocks to rewind when a chain reorg is detected. This should be large enough to recover from the
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* reorg but smaller than the theoretical max reorg size of 100.
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*/
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public let DEFAULT_REWIND_DISTANCE = 10
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/**
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* The number of blocks to allow before considering our data to be stale. This usually helps with what to do when
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* returning from the background and is exposed via the Synchronizer's isStale function.
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*/
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public let DEFAULT_STALE_TOLERANCE = 10
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/**
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Default Name for LibRustZcash data.db
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*/
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public let DEFAULT_DATA_DB_NAME = "data.db"
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/**
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Default Name for Compact Block caches db
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*/
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public let DEFAULT_CACHES_DB_NAME = "caches.db"
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