Class: CoinView

coins~CoinView()

Coin View Represents a coin viewpoint: a snapshot of Coins objects.

Constructor

new CoinView()

Create a coin view.

Properties:
Name Type Description
map Object
undo UndoCoins
Source:

Methods

(static) read(br, tx) → {CoinView}

Read serialized view data from a buffer reader as it pertains to a transaction.

Parameters:
Name Type Description
br BufferReader
tx TX
Source:
Returns:
Type
CoinView

add(hash, coins) → {Coins}

Add coins to the collection.

Parameters:
Name Type Description
hash Hash
coins Coins
Source:
Returns:
Type
Coins

addCoin(coin) → {CoinEntry|null}

Add a coin to the collection.

Parameters:
Name Type Description
coin Coin
Source:
Returns:
Type
CoinEntry | null

addEntry(prevout, coin) → {CoinEntry|null}

Add an entry to the collection.

Parameters:
Name Type Description
prevout Outpoint
coin CoinEntry
Source:
Returns:
Type
CoinEntry | null

addIndex(tx, index, height) → {CoinEntry|null}

Add an output to the collection by output index.

Parameters:
Name Type Description
tx TX
index Number
height Number
Source:
Returns:
Type
CoinEntry | null

addOutput(prevout, output) → {CoinEntry|null}

Add an output to the collection.

Parameters:
Name Type Description
prevout Outpoint
output Output
Source:
Returns:
Type
CoinEntry | null

addTX(tx, height) → {Coins}

Add a tx to the collection.

Parameters:
Name Type Description
tx TX
height Number
Source:
Returns:
Type
Coins

ensure(hash) → {Coins}

Ensure existence of coins object in the collection.

Parameters:
Name Type Description
hash Hash
Source:
Returns:
Type
Coins

get(hash) → {Coins}

Get coins.

Parameters:
Name Type Description
hash Hash
Source:
Returns:

coins

Type
Coins

getCoin(prevout) → {Coin|null}

Get a single coin by prevout.

Parameters:
Name Type Description
prevout Outpoint
Source:
Returns:
Type
Coin | null

getCoinFor(input) → {Coin|null}

Get a single coin by input.

Parameters:
Name Type Description
input Input
Source:
Returns:
Type
Coin | null

getEntry(prevout) → {CoinEntry|null}

Get a single entry by prevout.

Parameters:
Name Type Description
prevout Outpoint
Source:
Returns:
Type
CoinEntry | null

getEntryFor(input) → {CoinEntry|null}

Get a single entry by input.

Parameters:
Name Type Description
input Input
Source:
Returns:
Type
CoinEntry | null

getHeight(prevout) → {Number}

Get coins height by prevout.

Parameters:
Name Type Description
prevout Outpoint
Source:
Returns:
Type
Number

getHeightFor(input) → {Number}

Get coins height by input.

Parameters:
Name Type Description
input Input
Source:
Returns:
Type
Number

getOutput(prevout) → {Output|null}

Get a single output by prevout.

Parameters:
Name Type Description
prevout Outpoint
Source:
Returns:
Type
Output | null

getOutputFor(input) → {Output|null}

Get a single output by input.

Parameters:
Name Type Description
input Input
Source:
Returns:
Type
Output | null

getPath(prevout) → {null}

Get an HD path by prevout. Implemented in WalletCoinView.

Parameters:
Name Type Description
prevout Outpoint
Source:
Returns:
Type
null

getPathFor(input) → {null}

Get a single path by input. Implemented in WalletCoinView.

Parameters:
Name Type Description
input Input
Source:
Returns:
Type
null

getSize() → {Number}

Calculate serialization size.

Source:
Returns:
Type
Number

has(hash) → {Boolean}

Test whether the view has an entry.

Parameters:
Name Type Description
hash Hash
Source:
Returns:
Type
Boolean

hasEntry(prevout) → {Boolean}

Test whether the view has an entry by prevout.

Parameters:
Name Type Description
prevout Outpoint
Source:
Returns:
Type
Boolean

hasEntryFor(input) → {Boolean}

Test whether the view has an entry by input.

Parameters:
Name Type Description
input Input
Source:
Returns:
Type
Boolean

isCoinbase(prevout) → {Boolean}

Get coins coinbase flag by prevout.

Parameters:
Name Type Description
prevout Outpoint
Source:
Returns:
Type
Boolean

isCoinbaseFor(input) → {Boolean}

Get coins coinbase flag by input.

Parameters:
Name Type Description
input Input
Source:
Returns:
Type
Boolean

isUnspent(prevout) → {Boolean}

Test whether an entry has been spent by prevout.

Parameters:
Name Type Description
prevout Outpoint
Source:
Returns:
Type
Boolean

isUnspentFor(input) → {Boolean}

Test whether an entry has been spent by input.

Parameters:
Name Type Description
input Input
Source:
Returns:
Type
Boolean

(private) read(br, tx)

Read serialized view data from a buffer reader as it pertains to a transaction.

Parameters:
Name Type Description
br BufferReader
tx TX
Source:

(async) readCoin(db, prevout) → {Promise}

Retrieve coins from database.

Parameters:
Name Type Description
db ChainDB
prevout Outpoint
Source:
Returns:
  • Returns CoinEntry.
Type
Promise

(async) readInputs(db, tx) → {Promise}

Read all input coins into unspent map.

Parameters:
Name Type Description
db ChainDB
tx TX
Source:
Returns:
  • Returns {Boolean}.
Type
Promise

remove(coins) → {Coins|null}

Remove coins from the collection.

Parameters:
Name Type Description
coins Coins
Source:
Returns:
Type
Coins | null

removeEntry(prevout) → {CoinEntry|null}

Remove an output.

Parameters:
Name Type Description
prevout Outpoint
Source:
Returns:
Type
CoinEntry | null

removeTX(tx, height) → {Coins}

Remove a tx from the collection.

Parameters:
Name Type Description
tx TX
height Number
Source:
Returns:
Type
Coins

spendEntry(prevout) → {CoinEntry|null}

Spend an output.

Parameters:
Name Type Description
prevout Outpoint
Source:
Returns:
Type
CoinEntry | null

(async) spendInputs(db, tx) → {Promise}

Spend coins for transaction.

Parameters:
Name Type Description
db ChainDB
tx TX
Source:
Returns:
  • Returns {Boolean}.
Type
Promise

write(bw, tx)

Write coin data to buffer writer as it pertains to a transaction.

Parameters:
Name Type Description
bw BufferWriter
tx TX
Source: