Definition: [
"autonomous agent",
{
"bounce_fees": {
"base": 10000
},
"init": "{
$HOUSE_CUT = 0.1; //We will take this cut on the debut of an NFT in our platform
$ARTIST_CUT = 0.01; //The artist will get this cut from every resale of their NFT
$HALF_HOUR = 1800; //30m = 1800s
$extendDeadLine = $NFT=>$NFT.soldAt <= timestamp + $HALF_HOUR?$NFT || {soldAt: $NFT.soldAt + $HALF_HOUR}: $NFT; //Extend the auction if there is a bid less than half an hour before the auction is closed
if (NOT exists(trigger.data["method"]))
bounce("method field is mandatory");
}",
"getters": "{
$mintedUnits = $NFT=>{
if (NOT var[$NFT])
bounce("NFT not found");
if (NOT asset[$NFT].exists)
bounce("That NFT does not exist");
return asset[$NFT].cap;
};
$_getUnitMessages = $arr => filter($arr, 100, ($x)=>$x.app == "asset");
$tokenInfo = $NFT=>{
if (NOT var[$NFT])
bounce("NFT not found");
return var[$NFT] ||
{
isBanned: typeof(data_feed[[oracles=this_address, feed_name=$NFT, ifnone=false, ifseveral="last", type="string"]]) == "string" AND data_feed[[oracles=this_address, feed_name=$NFT, ifnone=false, ifseveral="last", type="string"]] == "REVOKED",
issuer: asset[$NFT].definer_address,
cap: $_getUnitMessages(unit[$NFT].messages)[0].payload.cap,
mintedAt: unit[$NFT].timestamp
};
};
$circulatingSupply = $NFT=>{
if (data_feed[[oracles=this_address, feed_name=$NFT, ifnone=false, ifseveral="last", type="string"]] == "REVOKED")
bounce("That NFT was revoked");
if ($tokenInfo($NFT).issuer != this_address)
bounce("That NFT was not minted by us, thus we don't know how many of them are out in the wild");
return var[$NFT]["unitsSold"];
};
}",
"messages": {
"cases": [
{
"if": "{
NOT var["owner"] //The owner has not been set
}",
"messages": [
{
"app": "state",
"state": "{
var["owner"] = "IUU43O7TS2TBYKAPGKUARDZHOTAE275A"; //Set the Owner to my address
}"
}
]
},
{
"if": "{
trigger.address == var["owner"]
}",
"init": "{
if (NOT exists(trigger.data["method"]))
bounce("method field is mandatory");
}",
"messages": {
"cases": [
{
"if": "{
trigger.data["method"] == "mint"
}",
"init": "{
if (NOT exists(trigger.data["amount"]))
bounce("amount field is mandatory");
if (NOT is_valid_amount(trigger.data["amount"]))
bounce("The amount of NFT copies to mint is not valid");
if (NOT exists(trigger.data["ipfs"]))
bounce("ipfs field is mandatory");
if (NOT exists(trigger.data["seller"]))
bounce("seller field is mandatory");
if (NOT is_valid_address(trigger.data["seller"]))
bounce("The seller address is not valid");
if (NOT exists(trigger.data["endTime"]))
bounce("endTime field is mandatory");
if (NOT is_integer(trigger.data["endTime"]))
bounce("endTime field is not a timestamp");
if (trigger.data["endTime"] <= timestamp)
bounce("The endTime cannot be set in the past");
if (trigger.data["endTime"] - timestamp > 2628000)
bounce("You cannot set the end time in more than 30 days");
}",
"messages": {
"cases": [
{
"if": "{
trigger.data["amount"] == 1
}",
"messages": [
{
"app": "asset",
"payload": {
"cap": 1,
"is_private": false,
"is_transferrable": true,
"auto_destroy": false,
"fixed_denominations": false,
"issued_by_definer_only": true,
"cosigned_by_definer": false,
"spender_attested": false
}
},
{
"app": "state",
"state": "{
var[response_unit] = {
bid: 0, //Max current bid (a NFT can have this field because it was resold. Check for price field instead)
by: trigger.data["seller"],
at: timestamp, //Max bid time
ipfs: trigger.data["ipfs"], //Hash of the content
author: trigger.data["seller"], //The original seller
soldAt: trigger.data["endTime"], //End of the auction
soldBy: trigger.data["seller"] //Who is currently selling the NFT
};
}"
}
]
},
{
"init": "{
if (NOT exists(trigger.data["price"]))
bounce("price field is mandatory if you intend to sell more than one NFT copy");
if (trigger.data["price"] < 20000)
bounce("The minium price is 20000 bytes");
if (NOT is_valid_amount(trigger.data["price"]))
bounce("price is not valid");
}",
"messages": [
{
"app": "asset",
"payload": {
"cap": "{trigger.data["amount"]}",
"is_private": false,
"is_transferrable": true,
"auto_destroy": false,
"fixed_denominations": false,
"issued_by_definer_only": true,
"cosigned_by_definer": false,
"spender_attested": false
}
},
{
"app": "state",
"state": "{
var[response_unit] = {
price: trigger.data["price"], //Sale price (this field is only present if the first sale was a fixed price one)
at: timestamp, //Max bid time
ipfs: trigger.data["ipfs"], //Hash of the content
unitsSold: 0,
author: trigger.data["seller"], //The original seller
soldAt: trigger.data["endTime"], //End of the auction
soldBy: trigger.data["seller"] //Who is currently selling the NFT
};
}"
}
]
}
]
}
},
{
"if": "{
trigger.data["method"] == "payout"
}",
"init": "{
$balance = balance["base"];
if ($balance - storage_size - 200000 <= 0)
bounce("There are not enough funds to withdraw");
}",
"messages": [
{
"app": "payment",
"payload": {
"asset": "base",
"outputs": [
{
"address": "{trigger.address}",
"amount": "{$balance - storage_size - 200000}"
}
]
}
}
]
},
{
"if": "{
trigger.data["method"] == "approve"
}",
"init": "{
if (NOT exists(trigger.data["NFT"]))
bounce("NFT field is mandatory");
$NFT = var[trigger.data["NFT"]];
if (NOT $NFT)
bounce("That NFT is not known by this AA");
if (NOT $NFT.pendingAproval)
bounce("That NFT is not pendingAproval");
}",
"messages": [
{
"app": "state",
"state": "{
var[trigger.data["NFT"]] ||= {pendingAproval: '', duration: '', foreign: true, bid: 20000, by: $NFT.soldBy, at: timestamp, soldAt: timestamp + $NFT.duration};
}"
}
]
},
{
"if": "{
trigger.data["method"] == "revoke"
}",
"init": "{
if (NOT exists(trigger.data["NFT"]))
bounce("NFT field is mandatory");
}",
"messages": [
{
"app": "data_feed",
"payload": {
"{trigger.data["NFT"]}": "REVOKED"
}
}
]
},
{
"if": "{
trigger.data["method"] == "transferOwnership"
}",
"init": "{
if (NOT exists(trigger.data["newOwner"]))
bounce("newOwner field is mandatory");
if (NOT is_valid_address(trigger.data["newOwner"]))
bounce("newOwner field is not a valid address");
}",
"messages": [
{
"app": "payment",
"payload": {
"asset": "base",
"outputs": [
{
"address": "{trigger.address}"
}
]
}
},
{
"app": "state",
"state": "{
var["owner"] = trigger.data["newOwner"];//Ownership is transferred
}"
}
]
}
]
}
},
{
"if": "{
trigger.data["method"] == "BUY"
}",
"init": "{
if (NOT exists(trigger.data["NFT"]))
bounce("NFT field is mandatory");
$NFT = $tokenInfo(trigger.data["NFT"]);
$isAuction = $NFT.bid AND typeof($NFT.bid) == "number";
if ($isAuction)
$hasBidders = (NOT $NFT.by)?false:($NFT.soldBy != $NFT.by);//Booleans cannot be compared
if (NOT $NFT)
bounce("This NFT was not minted by us nor we listed it for sale");
if (timestamp > $NFT.soldAt){
if ($isAuction){
if ($hasBidders) //You can still buy it if there were no bidders
bounce("The auction is over");
}
else
bounce("The auction is already over");
}
}",
"messages": {
"cases": [
{
"if": "{
$isAuction
}",
"init": "{
if (trigger.output[[asset=base]].amount < 20000)
bounce("The minimum bid is 20000 bytes");
if (trigger.output[[asset=base]].amount <= $NFT.bid)
bounce("Your bid is lower or equal to the last bid. You must increase it");
if ($NFT.soldBy == trigger.address)
bounce("You cannot bid on your own auction");
}",
"messages": [
{
"app": "payment",
"if": "{
$NFT.by != $NFT.seller
}",
"payload": {
"asset": "base",
"outputs": [
{
"address": "{$NFT.by}",
"amount": "{$NFT.bid - 10000}"
}
]
}
},
{
"app": "state",
"state": "{
$NFT.bid = trigger.output[[asset=base]].amount;
$NFT.by = trigger.address;
var[trigger.data["NFT"]] ||= $extendDeadLine($NFT);
}"
}
]
},
{
"init": "{
if (NOT asset[trigger.data["NFT"]].exists)
bounce("That asset does not exists");
if (asset[trigger.data["NFT"]].definer_address != this_address)
bounce("We have not listed that asset for sale");
if ($NFT.unitsSold == $NFT.cap)
bounce("All NFT copies have been already sold");
if (trigger.output[[asset=base]].amount < $NFT.price)
bounce("Your payment is lower than the NFT price");
}",
"messages": [
{
"app": "payment",
"if": "{
floor($NFT.price * (1-$HOUSE_CUT) - 10000, 0) > 0
}",
"payload": {
"asset": "base",
"outputs": [
{
"address": "{$NFT.soldBy}",
"amount": "{floor($NFT.price * (1-$HOUSE_CUT) - 10000, 0)}"
}
]
}
},
{
"app": "payment",
"payload": {
"asset": "{trigger.data['NFT']}",
"outputs": [
{
"address": "{trigger.address}",
"amount": 1
}
]
}
},
{
"app": "state",
"state": "{
var[trigger.data["NFT"]] ||= {unitsSold: $NFT.unitsSold + 1};
}"
}
]
}
]
}
},
{
"if": "{
trigger.data["method"] == "CLAIM"
}",
"init": "{
if (NOT exists(trigger.data["NFT"]))
bounce("NFT field is mandatory");
$NFT = var[trigger.data["NFT"]];
if (timestamp <= $NFT.soldAt)
bounce("The auction is not over yet");
if ($NFT.bid == 0)
bounce("That auction was already claimed");
}",
"messages": {
"cases": [
{
"if": "{//NFT was first sold
$NFT.soldBy != $NFT.author
}",
"messages": [
{
"app": "payment",
"if": "{
floor($NFT.bid * (1-$HOUSE_CUT) - 10000, 0) > 0 //enough to be worth paying
AND $NFT.soldBy != $NFT.by //there is at least a bid
}",
"payload": {
"asset": "base",
"outputs": [
{
"address": "{$NFT.soldBy}",
"amount": "{floor($NFT.bid * (1-$HOUSE_CUT) - 10000, 0)}"
}
]
}
},
{
"app": "payment",
"payload": {
"asset": "{trigger.data['NFT']}",
"outputs": [
{
"address": "{$NFT.by}",
"amount": 1
}
]
}
},
{
"app": "state",
"state": "{ //Reset bid and by fields
var[trigger.data["NFT"]] ||= {bid: 0, by: ''};
}"
}
]
},
{
"messages": [
{
"app": "payment",
"if": "{
$NFT.soldBy != $NFT.by //Do not pay if there were no bids as the seller would be stealing money from the contract
}",
"payload": {
"asset": "base",
"outputs": [
{
"address": "{$NFT.soldBy}",
"amount": "{floor($NFT.bid * (1-$ARTIST_CUT) - 10000, 0)}"
}
]
}
},
{
"app": "payment",
"if": "{
floor($NFT.bid * $ARTIST_CUT, 0) - 10000 > 0
AND is_valid_address($NFT.author)
}",
"payload": {
"asset": "base",
"outputs": [
{
"address": "{$NFT.author}",
"amount": "{floor($NFT.bid * $ARTIST_CUT, 0) - 10000}"
}
]
}
},
{
"app": "payment",
"payload": {
"asset": "{trigger.data['NFT']}",
"outputs": [
{
"address": "{$NFT.by}",
"amount": 1
}
]
}
}
]
}
]
}
},
{
"if": "{//[PUBLIC] Resell a NFT
trigger.data["method"] == "SELL"
}",
"init": "{
//Parameter validation
if (NOT exists(trigger.data["endTime"]))
bounce("endTime field is mandatory");
if (trigger.data["endTime"] < timestamp)
bounce("You cannot set the end time in the past");
if (trigger.data["endTime"] - timestamp > 2628000)
bounce("You cannot set the end time in more than 30 days");
if (NOT exists(trigger.data["initialPrice"]))
bounce("initialPrice field is mandatory");
if (NOT is_valid_amount(trigger.data["initialPrice"]))
bounce("initialPrice must be a valid amount");
if (trigger.data["initialPrice"] < 20000)
bounce("The minimum initialPrice is 20000 bytes");
//NFT validation
if (trigger.output[[asset!="base"]].asset == "ambigous")
bounce("You cannot send more than one NFT type at a time");
if (NOT var[trigger.output[[asset!="base"]].asset])
bounce("You need to send an actual NFT but you are sending only bytes");
$NFT = $tokenInfo(var[trigger.output[[asset!="base"]].asset]);
if (NOT $NFT)
bounce("This NFT was not minted by us nor we listed it for sale");
if (trigger.output[[asset!="base"]].amount!=1)
bounce("You cannot auction more than 1 copy of an NFT at a time");
if ($NFT.isBanned)
bounce("We revoked the trading of that token probably due to copyright reasons");
if ($NFT.bid AND typeof($NFT.bid) == "number" AND $NFT.bid != 0){
if (timestamp > $NFT.soldAt)
bounce("A copy of that NFT is already being auctioned");
else
bounce("A copy of that NFT is already being auctioned. The auction has already ended but it has not been claimed. You can close it yourself even if you are not the max bidder.");
}
}",
"messages": [
{
"app": "state",
"state": "{
$NFT.bid = trigger.data["initialPrice"];
$NFT.by = trigger.address;
$NFT.soldBy = trigger.address;
$NFT.at = timestamp;
$NFT.soldAt = trigger.data["endTime"];
var[trigger.output[[asset!="base"]].asset] ||= $NFT;
}"
}
]
},
{
"if": "{
trigger.data["method"] == "PRELIST"
}",
"init": "{
if (NOT exists(trigger.data["NFT"]))
bounce("NFT field is mandatory");
if (NOT asset[trigger.data["NFT"]].exists)
bounce("That NFT does not exist within the Obyte network");
if (NOT asset[trigger.data["NFT"]].is_transferrable)
bounce("That NFT is not tradeable");
if (NOT exists(trigger.data["ipfs"]))
bounce("ipfs field is mandatory");
if (NOT exists(trigger.data["seller"]))
bounce("seller field is mandatory");
if (NOT is_valid_address(trigger.data["seller"]))
bounce("The seller address is not valid");
if (NOT exists(trigger.data["duration"]))
bounce("duration field is mandatory. Enter the auction duration in seconds");
if (NOT is_integer(trigger.data["duration"]))
bounce("duration field is not a valid amount of seconds");
if (trigger.data["duration"] > 2628000)
bounce("The auction cannot last more than 30 days");
if (NOT exists(trigger.data["pairing"])) //TODO MAYBE REMOVE
bounce("Pairing code is mandatory. We need it in case we have any questions about your NFT");
}",
"messages": [
{
"app": "state",
"state": "{
var[trigger.data["NFT"]] = {
ipfs: trigger.data["ipfs"], //Hash of the content
author: 'foreign', //The original seller
soldBy: trigger.data["seller"],
duration: trigger.data["duration"] //Duration of the auction in seconds
};
}"
}
]
}
]
}
}
]