Asset Registry Contract
Smart Contract: globally across all SRC20
Created: pre-exists / created only once
Purpose: Registry of asset data for all SRC20 tokens (meta data, esp. NAV)
Example: On Ropsten
Feature Description
Glossary
Item
Description
KYA (Know Your Asset)
The intent of KYA is to create cryptographically-proven single-source-of-truth for metadata of a specific SRC20 and the asset it represents; token issuers can add and update dozens of parameters and attributes of their project, store them on a website (URL) or IPFS file; this allows investors to have unfettered access to a full history of data change over the life-cycle of the token
NAV (NetAssetValue)
NAV describes the value of the asset which is tokenized by a specific SRC20; it’s a common value in capital markets to describe the value of an asset and is based on underlying reports and assessments about the asset; as NAV represents the value of assets on the Swarm network it is used as the key value to determine the required SWM staking amounts for each SRC20 token
Read Functions
Function
Description
getNetAssetValueUSD()
Returns the currently registered NAV for a specific SRC20
_src20Factory()
returns (address)
Returns the address of the SRC20 Factory
contract
owner()
returns (address)
Returns the address of the SRC20 Factory contract
isOwner()
returns (bool)
Returns true if the caller is the contract owner
assetList()
returns kyaHash(bytes32), kyaUrl(string), netAssetValueUSD(uint256)
Returns all KYA data (NAV, KYA hash, KYA URL) registered in this contract for a specific SRC20
getKYA()
returns (bytes32), (string)
Returns the KYA data (KYA hash, KYA URL) registered in this contract for a specific SRC20
Write Functions
Function
Description
addAsset()
Creates a new record for of KYA data (NAV, KYA hash, KYA URL) for a specific SRC20 in this contract
renounceOwnership()
Contract owner can renounce ownership of the contract
updateNetAssetValueUSD()
Updates the NAV value for a specific SRC20
TransferOwnership()
returns newOwner(address)
Transfers ownership of this contract to another address
udateKYA()
Updates the KYA data (KYA hash, KYA URL) registered in this contract for a specific SRC20
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