Vendor (Item Gold Trader)
The Vendor (Item Gold Trader) is a stable trading system for Inventory Items so that users can exchange Gold for needed items or Gold Crops for Gold.
Contracts
Addresses
DFK Chain
| Name | Mainnet | Testnet |
|---|---|---|
| ItemGoldTraderV2 (Eevi) | 0x0f85fdf6c561C42d6b46d0E27ea6Aa9Bf9476B3f | 0x9E721454207FA0FD6E3a362dAb66912EF004E958 |
Klaytn
| Name | Mainnet | Testnet |
|---|---|---|
| ItemGoldTraderV2 (Zada) | 0x3Eab8a8F71dDA3e6c907C74302B734805C4f3278 | 0xEac3517251339877426cec94B245c0D8D83D7cb5 |
Interfaces
interface IItemGoldTraderV2 {
event ItemAdded(address indexed item, uint256 startingPrice, uint256 playerSellPrice, uint256 minPrice, uint256 deltaPriceIncrease, uint256 decreaseRate, uint64 priceIncreaseDecay);
event ItemTraded(address indexed player, address boughtItem, uint256 boughtQty, address soldItem, uint256 soldQty);
event ItemUpdated(address indexed item, uint256 currentPrice, uint256 playerSellPrice, uint256 minPrice, uint256 deltaPriceIncrease, uint256 decreaseRate, uint64 priceIncreaseDecay, uint8 status);
function addressToTradeItemId(address) view returns (uint256);
function buyItem(address _itemAddress, uint256 _quantity, uint256 _maxPrice);
function getNextPrice(address _itemAddress, uint256 _quantity) view returns (uint256);
function getTradeItem(uint256 _id) view returns (tuple(uint256 id, address item, uint256 currentPrice, uint256 playerSellPrice, uint256 minPrice, uint256 deltaPriceIncrease, uint256 decreaseRate, uint64 priceIncreaseDecay, uint64 lastPurchaseTimestamp, uint8 status));
function getTradeItemByAddress(address _itemAddress) view returns (tuple(uint256 id, address item, uint256 currentPrice, uint256 playerSellPrice, uint256 minPrice, uint256 deltaPriceIncrease, uint256 decreaseRate, uint64 priceIncreaseDecay, uint64 lastPurchaseTimestamp, uint8 status));
function getTradeItems() view returns (tuple(uint256 id, address item, uint256 currentPrice, uint256 playerSellPrice, uint256 minPrice, uint256 deltaPriceIncrease, uint256 decreaseRate, uint64 priceIncreaseDecay, uint64 lastPurchaseTimestamp, uint8 status)[]);
function paused() view returns (bool);
function sellItem(address _itemAddress, uint256 _quantity);
function tradeItems(uint256) view returns (uint256 id, address item, uint256 currentPrice, uint256 playerSellPrice, uint256 minPrice, uint256 deltaPriceIncrease, uint256 decreaseRate, uint64 priceIncreaseDecay, uint64 lastPurchaseTimestamp, uint8 status);
}
ABIs
Historical Contracts
These contracts have been deprecated and should not be used. They are listed here for data analysis and tracking purposes only.
On 8/10/2022, the ItemGoldTrader contract was upgraded to V2 with the inclusion of dynamic pricing.
Addresses
Harmony
| Name | Mainnet | Testnet |
|---|---|---|
| ItemGoldTraderV2 (Zada) | 0x5BDa5c3258c72c4890E6c1EA16f4F9E394FF3fB4 | N/A |
| ItemGoldTrader (Zada) | 0xe53BF78F8b99B6d356F93F41aFB9951168cca2c6 | 0x65D232da83d69A76189dA008Eb03BCFB211A1612 |
Interfaces
interface IItemGoldTrader {
event ItemAdded(address indexed item, uint256 buyPrice, uint256 sellPrice);
event ItemTraded(address indexed player, address boughtItem, uint256 boughtQty, address soldItem, uint256 soldQty);
event ItemUpdated(address indexed item, uint256 buyPrice, uint256 sellPrice, uint8 status);
function addressToTradeItemId( address ) external view returns ( uint256 );
function buyItem( address _itemAddress, uint256 _quantity ) external;
function getTradeItems( ) external view returns ( tuple[] );
function paused( ) external view returns ( bool );
function sellItem( address _itemAddress, uint256 _quantity ) external;
function tradeItems( uint256 ) external view returns ( uint256 id, address item, uint256 buyPrice, uint256 sellPrice, uint8 status );
}