Constructor
new MempoolEntry(options)
Create a mempool entry.
Parameters:
| Name | Type | Description | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
options |
Object |
Properties
|
Properties:
| Name | Type | Description |
|---|---|---|
tx |
TX | |
height |
Number | |
priority |
Number | |
time |
Number | |
value |
Amount |
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Methods
(static) fromOptions(options) → {MempoolEntry}
Instantiate mempool entry from options.
Parameters:
| Name | Type | Description |
|---|---|---|
options |
Object |
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Returns:
- Type
- MempoolEntry
(static) fromRaw(data) → {MempoolEntry}
Instantiate entry from serialized data.
Parameters:
| Name | Type | Description |
|---|---|---|
data |
Buffer |
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Returns:
- Type
- MempoolEntry
(static) fromTX(tx, height) → {MempoolEntry}
Create a mempool entry from a TX.
Parameters:
| Name | Type | Description |
|---|---|---|
tx |
TX | |
height |
Number | Entry height. |
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Returns:
- Type
- MempoolEntry
(private) fromOptions(options)
Inject properties from options object.
Parameters:
| Name | Type | Description |
|---|---|---|
options |
Object |
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(private) fromRaw(data) → {MempoolEntry}
Inject properties from serialized data.
Parameters:
| Name | Type | Description |
|---|---|---|
data |
Buffer |
- Source:
Returns:
- Type
- MempoolEntry
(private) fromTX(tx, height)
Inject properties from transaction.
Parameters:
| Name | Type | Description |
|---|---|---|
tx |
TX | |
height |
Number |
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getDeltaFee() → {Amount}
Get delta fee.
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Returns:
- Type
- Amount
getDeltaRate() → {Rate}
Calculate delta fee rate.
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Returns:
- Type
- Rate
getDescRate() → {Rate}
Calculate fee cumulative descendant rate.
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Returns:
- Type
- Rate
getFee() → {Amount}
Get fee.
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Returns:
- Type
- Amount
getPriority(height) → {Number}
Calculate priority, taking into account the entry height delta, modified size, and chain value.
Parameters:
| Name | Type | Description |
|---|---|---|
height |
Number |
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Returns:
Priority.
- Type
- Number
getRate() → {Rate}
Calculate fee rate.
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Returns:
- Type
- Rate
getSize() → {Number}
Get entry serialization size.
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Returns:
- Type
- Number
hash(encnullable) → {Hash}
Calculate transaction hash.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
enc |
String |
<nullable> |
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Returns:
- Type
- Hash
isFree(height) → {Boolean}
Test whether the entry is free with the current priority (calculated by current height).
Parameters:
| Name | Type | Description |
|---|---|---|
height |
Number |
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Returns:
- Type
- Boolean
memUsage() → {Number}
Calculate the memory usage of a transaction. Note that this only calculates the JS heap size. Sizes of buffers are ignored (the v8 heap is what we care most about). All numbers are based on the output of v8 heap snapshots of TX objects.
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Returns:
Usage in bytes.
- Type
- Number
toRaw() → {Buffer}
Serialize entry to a buffer.
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Returns:
- Type
- Buffer
txid() → {Hash}
Calculate reverse transaction hash.
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Returns:
- Type
- Hash