EnvelopwNFT1155
This contract is based on the classic ERC-1155 standard token contract. A detailed description of the methods of the standard can be found in the documentation (https://docs.openzeppelin.com/contracts/4.x/api/token/erc1155). The contract is used for minting, burning and wNFT ERC-1155 transfers that the WrapperBaseV1 protocol contract creates for users.
The mint, burn methods are defined in the EnvelopwNFT1155 contract, taking into account the logic of the protocol.
The mint, burn method can only call the WrapperBaseV1 contract. No other address can call these methods.
Method wnftInfo
The method returns all data about wNFT.
Input method call parameters:
Name | Type | Description |
---|---|---|
_tokenId | uint256 | tokenId wrap NFT |
A description of the returned data types can be found in the LibEnvelopTypes.sol contact, ETypes library.
Returned values:
Name | Type | Description |
---|---|---|
value | ETypes.WNFT | wNFT data |
ETypes.WNFT
Name | Type | Description |
---|---|---|
inAsset | ETypes.AssetItem | Data on the original NFT |
collateral | ETypes.AssetItem[] | Data on collateral |
unWrapDestination | address | Recipient address of the original NFT and collateral after unwrap of wNFT - filled by default with a null address |
fees | ETypes.Fee[] | Array of information on transfer fees |
locks | ETypes.Lock[] | Array of information on unwrap conditions (blocking by time, by amount of commission collected, etc...) |
royalties | ETypes.Royalty[] | An array of information on royalty beneficiaries |
rules | bytes2 | wNFT rules of conduct (e.g. 1111, where right to left: pos1 - prohibition to unwrap pos2 - prohibition to wrap wNFT pos3 - prohibition to transfer (send) wNFT pos4 - prohibition to add something to collateral) |
ETypes.AssetItem
Name | Type | Description |
---|---|---|
asset | ETypes.Asset | Data on the type and contract of tokens transferred to the WrapperBaseV1 contract for wrapped NFT or added to collateral of wrapped NFT |
tokenId | uint256 | Token number (if a empty was wrapped it will return 0; if the collateral was topped up with ERC-20 tokens, it will return 0; if the collateral was topped up with native tokens, it will return 0). |
amount | amount | Number of NFT copies or number of tokens( for ERC-1155 - a value other than 0, for ERC-20 - value other than 0 for native tokens - value other than 0 for ERC-721 - 0) |
ETypes.Asset
Name | Type | Description |
---|---|---|
assetType | contractAddress | Value from the token type dictionary |
contractAddress | address | Address of token contract transferred to WrapperBaseV1 protocol contract as security or original NFT |
ETypes.AssetType:
0 - empty;
1 - native token (coin);
2 - ERC-20;
3 - ERC-1155;
4 - ERC-1155.
ETypes.Fee
Name | Type | Description |
---|---|---|
feeType | bytes1 | Fee type - 0 |
param | uint256 | Fee amount |
token | address | Transfer fee token contract address |
ETypes.Lock
Name | Type | Description |
---|---|---|
lockType | bytes1 | Blocking type: 0x00 - blocking by time 0x01 - blocking by volume of accumulated transfer fee for wNFT 0x02 - count of max collateral slots for wNFT |
param | uint256 | Value |
ETypes.Royalty
Name | Type | Description |
---|---|---|
beneficiary | address | Royalty beneficiary address |
percent | uint16 | Value - no more than 10000 (100%) |
Method URI
Method returns reference to metadata of original NFT for wNFT. If empty, the metadata generated by the EnvelopwNFT1155 contract will be returned.
Input method call parameters:
Name | Type | Description |
---|---|---|
_tokenId | uint256 | tokenId wNFT |
Returned values:
Name | Type | Description |
---|---|---|
uri_ | string | Link to metadata |
Method safeTransferFrom
The method works based is based on the ERC-1155 method. Link to documentation (https://docs.openzeppelin.com/contracts/4.x/api/token/erc1155#IERC1155-safeTransferFrom-address-address-uint256-uint256-bytes-).
When a transfer is made, the transfer fee is calculated if the creator of wNFT has made the appropriate settings for it. The fee is held in ERC-20 tokens whose smart-contract address the wNFT creator has specified when he wrapped. The fee can be allocated to royalty beneficiaries, or part or all of the fee can be added to wNFT's Collateral.
The method does not return anything.
Input method call parameters:
Name | Type | Description |
---|---|---|
from | address | Address from which wNFT is being transferred |
to | address | The address to which the wNFT is transferred |
id | uint256 | tokenId wNFT |
amount | uint256 | Number of copies-amount to be transferred from address to |
data | bytes | Data |
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