Class: PowHelper
Helper methods for POW.
Table of contents
Properties
Methods
Properties
LN3
▪ Static Readonly LN3: number = 1.0986122886681098
LN3 Const see https://oeis.org/A002391. 1.098612288668109691395245236922525704647490557822749451734694333 .
Methods
score
▸ Static score(block): number
Perform the score calculation.
Parameters
| Name | Type | Description |
|---|---|---|
block | Uint8Array | The data to perform the score on. |
Returns
number
The score for the data.
calculateTargetZeros
▸ Static calculateTargetZeros(block, targetScore): number
Calculate the number of zeros required to get target score.
Parameters
| Name | Type | Description |
|---|---|---|
block | Uint8Array | The block to process. |
targetScore | number | The target score. |
Returns
number
The number of zeros to find.
trailingZeros
▸ Static trailingZeros(powDigest, nonce): number
Calculate the trailing zeros.
Parameters
| Name | Type | Description |
|---|---|---|
powDigest | Uint8Array | The pow digest. |
nonce | BigInteger | The nonce. |
Returns
number
The trailing zeros.
trinaryTrailingZeros
▸ Static trinaryTrailingZeros(trits, endPos?): number
Find the number of trailing zeros.
Parameters
| Name | Type | Default value | Description |
|---|---|---|---|
trits | Int8Array | undefined | The trits to look for zeros. |
endPos | number | trits.length | The end position to start looking for zeros. |
Returns
number
The number of trailing zeros.
performPow
▸ Static performPow(powDigest, targetZeros, startIndex): string
Perform the hash on the data until we reach target number of zeros.
Parameters
| Name | Type | Description |
|---|---|---|
powDigest | Uint8Array | The pow digest. |
targetZeros | number | The target number of zeros. |
startIndex | string | The index to start looking from. |
Returns
string
The nonce.