# Repo

## contract Repo

is [AragonApp](/developers/tools/aragonos/smart-contract-references/apps/aragonapp.md)

Source: [contracts/apm/Repo.sol](https://github.com/aragon/aragonOS/blob/v4.4.0/contracts/apm/Repo.sol)

## Index

* [NewVersion](#newversion)
* [getBySemanticVersion](#getbysemanticversion)
* [getByVersionId](#getbyversionid)
* [getLatest](#getlatest)
* [getLatestForContractAddress](#getlatestforcontractaddress)
* [getVersionsCount](#getversionscount)
* [initialize](#initialize)
* [isValidBump](#isvalidbump)
* [newVersion](#newversion-1)
* [semanticVersionHash](#semanticversionhash)

## Reference

### Events

#### **NewVersion** <a href="#newversion" id="newversion"></a>

` event`` `` `**`NewVersion`**`(uint256 versionId, uint16[] semanticVersion)`

Parameters:

* `versionId` - uint256
* `semanticVersion` - uint16\[]

### Functions

#### **getBySemanticVersion** <a href="#getbysemanticversion" id="getbysemanticversion"></a>

` function`` `` `**`getBySemanticVersion`**`(uint16[] _semanticVersion) public view returns (uint16[], address, bytes)ù`

Parameters:

* `_semanticVersion` - uint16\[]

Returns:

* uint16\[]
* address
* bytes

#### **getByVersionId** <a href="#getbyversionid" id="getbyversionid"></a>

` function`` `` `**`getByVersionId`**`(uint _versionId) public view returns (uint16[], address, bytes)`

***

Parameters:

* `_versionId` - uint

Returns:

* uint16\[]
* address
* bytes

#### **getLatest** <a href="#getlatest" id="getlatest"></a>

` function`` `` `**`getLatest`**`() public view returns (uint16[], address, bytes)`

***

Returns:

* uint16\[]
* address
* bytes

#### **getLatestForContractAddress** <a href="#getlatestforcontractaddress" id="getlatestforcontractaddress"></a>

` function`` `` `**`getLatestForContractAddress`**`(address _contractAddress) public view returns (uint16[], address, bytes)`

***

Parameters:

* `_contractAddress` - address

Returns:

* uint16\[]
* address
* bytes

#### **getVersionsCount** <a href="#getversionscount" id="getversionscount"></a>

` function`` `` `**`getVersionsCount`**`() public view returns (uint256)`

***

Returns:

* uint256

#### **initialize** <a href="#initialize" id="initialize"></a>

` function`` `` `**`initialize`**`() public`

***

Initialize can only be called once. It saves the block number in which it was initialized., Initialize this Repo.

Modifiers:

* [onlyInit](/developers/tools/aragonos/smart-contract-references/common/initializable.md#getinitializationblock)

#### **isValidBump** <a href="#isvalidbump" id="isvalidbump"></a>

` function`` `` `**`isValidBump`**`(uint16[] _oldVersion, uint16[] _newVersion) public pure returns (bool)`

***

Parameters:

* `_oldVersion` - uint16\[]
* `_newVersion` - uint16\[]

Returns:

* bool

#### **newVersion** <a href="#newversion" id="newversion"></a>

` function`` `` `**`newVersion`**`(uint16[] _newSemanticVersion, address _contractAddress, bytes _contentURI) public`

***

Create new version with contract \`\_contractAddress\` and content \`@fromHex(\_contentURI)\`.

Modifiers:

* [auth](/developers/tools/aragonos/smart-contract-references/apps/aragonapp.md#authp)

Parameters:

* `_newSemanticVersion` - Semantic version for new repo version
* `_contractAddress` - address for smart contract logic for version (if set to 0, it uses last versions' contractAddress)
* `_contentURI` - External URI for fetching new version's content

#### **semanticVersionHash** <a href="#semanticversionhash" id="semanticversionhash"></a>

` function`` `` `**`semanticVersionHash`**`(uint16[] version) internal pure returns (bytes32)`

***

Parameters:

* `version` - uint16\[]

Returns:

* bytes32


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