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109 lines
2.0 KiB
Markdown
109 lines
2.0 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) > [spendHashes](./bitburner.hacknet.spendhashes.md)
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## Hacknet.spendHashes() method
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Purchase a hash upgrade.
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**Signature:**
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```typescript
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spendHashes(upgName: HacknetServerHashUpgrade, upgTarget?: string, count?: number): boolean;
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```
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## Parameters
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<table><thead><tr><th>
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Parameter
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</th><th>
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Type
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</th><th>
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Description
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</th></tr></thead>
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<tbody><tr><td>
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upgName
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</td><td>
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[HacknetServerHashUpgrade](./bitburner.hacknetserverhashupgrade.md)
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</td><td>
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Name of the upgrade using hash of Hacknet Server.
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</td></tr>
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<tr><td>
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upgTarget
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</td><td>
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string
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</td><td>
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_(Optional)_ Object to which upgrade applies. Required for certain upgrades.
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</td></tr>
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<tr><td>
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count
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</td><td>
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number
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</td><td>
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_(Optional)_ Number of upgrades to buy at once. Must be a non-negative integer. Defaults to 1 if not specified. For compatibility reasons, upgTarget must be specified, even if it is not used, in order to specify count.
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</td></tr>
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</tbody></table>
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**Returns:**
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boolean
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True if the upgrade is successfully purchased, and false otherwise.
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## Remarks
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RAM cost: 0.5 GB
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This function is only applicable for Hacknet Servers (the upgraded version of a Hacknet Node).
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Spend the hashes generated by your Hacknet Servers on an upgrade. Returns a boolean value - true if the upgrade is successfully purchased, and false otherwise.
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The name of the upgrade must be an exact match. The `upgTarget` argument is used for upgrades such as `Reduce Minimum Security`<!-- -->, which applies to a specific server. In this case, the `upgTarget` argument must be the hostname or IP of the server.
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## Example
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```js
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// For upgrades where no target is required
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ns.hacknet.spendHashes("Sell for Corporation Funds");
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// For upgrades requiring a target
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ns.hacknet.spendHashes("Increase Maximum Money", "foodnstuff");
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```
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