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40 lines
1.1 KiB
Markdown
40 lines
1.1 KiB
Markdown
<!-- Do not edit this file. It is automatically generated by API Documenter. -->
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[Home](./index.md) > [bitburner](./bitburner.md) > [Hacknet](./bitburner.hacknet.md) > [upgradeCache](./bitburner.hacknet.upgradecache.md)
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## Hacknet.upgradeCache() method
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Upgrade the cache of a hacknet node.
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**Signature:**
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```typescript
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upgradeCache(index: number, n?: number): boolean;
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```
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## Parameters
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| Parameter | Type | Description |
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| --- | --- | --- |
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| index | number | Index/Identifier of Hacknet Node. |
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| n | number | _(Optional)_ Number of cache levels to purchase. Must be positive. Rounded to nearest integer. Defaults to 1 if not specified. |
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**Returns:**
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boolean
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True if the Hacknet Node’s cache level is successfully upgraded, false otherwise.
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## Remarks
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RAM cost: 0 GB
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This function is only applicable for Hacknet Servers (the upgraded version of a Hacknet Node).
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Tries to upgrade the specified Hacknet Server’s cache n times.
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Returns true if it successfully upgrades the Server’s cache n times, or if it purchases some positive amount and the Server reaches its max cache level.
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Returns false otherwise.
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