Definition: [
"autonomous agent",
{
"bounce_fees": {
"base": 10000
},
"init": "{
$BYTES_IN_GBYTE = 1000000000;
$USER_REGISTRY_ADDRESS = "D6MZ7PSM7RRMF52IDHOUZKXVIM3RF2I5";
$CURRENCY_REGISTRY = "AO46ELAIDT2LX2RXVVABIABXNBKHRSCE";
if (NOT exists(trigger.data["method"]))
bounce("method field is mandatory");
$method = trigger.data["method"];
$spendableFunds = balance["base"] - storage_size; //The max amount the owner can withdraw without bouncing due to not enough funds
$owner = var["owner"];
$isHelper = var["helper_" || trigger.address];
/*
** Provides information about the given license
*/
$getNFTInfo = $NFT=>{
$unit = unit[$NFT];
$info = var["FREE_" || $NFT] OTHERWISE var["NFT_" || $NFT];
$transferrable = $unit.messages[[.app="asset"]]["payload"]["transferrable"];
if (NOT $transferrable)//Do not return info about non transferrable NFTs as they cannot get listed in other platforms
return false;
return $info || {
cap: $unit.messages[[.app="asset"]]["payload"]["cap"],
mintedAt: $unit.timestamp
};
};
$isValidPlainLicense = ($spack, $issuer)=>{
if (is_valid_signed_package($spack, $issuer))
return $spack.signed_message["expireDate"] < timestamp;
};
$FEE = var["FEE"];
}",
"messages": {
"cases": [
{
"if": "{
NOT $owner //The owner has not been set
}",
"messages": [
{
"app": "state",
"state": "{
var["owner"] = "IUU43O7TS2TBYKAPGKUARDZHOTAE275A";
var["FEE"] = 0.03;
}"
}
]
},
{
"if": "{
trigger.address == $owner
AND ($method == "payout" //We also check the method so the Owner can also act as an user
OR $method == "stopSale"
OR $method == "transferOwnership"
OR $method == "setHelper"
OR $method == "reduceFee"
OR $method == "untrust"
OR $method == "delHelper")
}",
"messages": {
"cases": [
{
"if": "{
$method == "payout"
}",
"messages": [
{
"app": "payment",
"payload": {
"asset": "base",
"outputs": [
{
"address": "{trigger.address}",
"amount": "{$spendableFunds}"
}
]
}
}
]
},
{
"if": "{
$method == "untrust"
}",
"init": "{
if (NOT trigger.data["user"])
bounce("user field is mandatory");
if (NOT is_valid_address(trigger.data["user"]))
bounce("user field is an invalid address");
}",
"messages": [
{
"app": "state",
"state": "{
var["trusted_" || trigger.data["user"]] = false;
}"
}
]
},
{
"if": "{
$method == "transferOwnership"
}",
"init": "{
if (NOT exists(trigger.data["newOwner"]))
bounce("newOwner field is mandatory");
if (NOT is_valid_address(trigger.data["newOwner"]))
bounce("newOwner field is not a valid address");
}",
"messages": [
{
"app": "payment",
"payload": {
"asset": "base",
"outputs": [
{
"address": "{trigger.address}",
"amount": "{$spendableFunds}"
}
]
}
},
{
"app": "state",
"state": "{
var["owner"] = trigger.data["newOwner"];
}"
}
]
},
{
"if": "{
$method == "reduceFee"
}",
"init": "{
if (NOT exists(trigger.data["fee"]))
bounce("fee field is mandatory");
if (trigger.data["fee"] <= 0)
bounce("Fee must be an strictly positive value");
if (trigger.data["fee"] > $FEE)
bounce("You can only reduce the current fee");
}",
"messages": [
{
"app": "state",
"state": "{
var["FEE"] = trigger.data["fee"];
}"
}
]
},
{
"if": "{
$method == "setHelper"
}",
"init": "{
if (NOT exists(trigger.data["helper"]))
bounce("helper field is mandatory");
if (NOT is_valid_address(trigger.data["helper"]))
bounce("helper address is invalid");
}",
"messages": [
{
"app": "state",
"state": "{
var["helper_" || trigger.data["helper"]] = true;
}"
}
]
},
{
"if": "{
$method == "delHelper"
}",
"init": "{
if (NOT exists(trigger.data["helper"]))
bounce("helper field is mandatory");
if (NOT is_valid_address(trigger.data["helper"]))
bounce("helper address is invalid");
}",
"messages": [
{
"app": "state",
"state": "{
var["helper_" || trigger.data["helper"]] = false;
}"
}
]
}
]
}
},
{
"if": "{
(trigger.address == $owner OR $isHelper)
AND $method == "trust"
}",
"init": "{
if (NOT trigger.data["user"])
bounce("user field is mandatory");
if (NOT is_valid_address(trigger.data["user"]))
bounce("user field is an invalid address");
}",
"messages": [
{
"app": "state",
"state": "{
var["trusted_" || trigger.data["user"]] = true;
}"
}
]
},
{
"if": "{
(trigger.address == $owner OR $isHelper)
AND $method == "untrust"
}",
"init": "{
if (NOT trigger.data["NFT"])
bounce("NFT field is mandatory");
}",
"messages": [
{
"app": "state",
"state": "{
var["FREE_" || trigger.data["NFT"]] = var["NFT_" || trigger.data["NFT"]];
var["NFT_" || trigger.data["NFT"]] = false;
}"
}
]
},
{
"if": "{
$method == "MINT"
}",
"init": "{
if (NOT exists(trigger.data["amount"]))
bounce("amount field is mandatory. Set it to 0 for unlimited");
if ((NOT is_valid_amount(trigger.data["amount"])) AND trigger.data["amount"] != 0) //amount=0 => uncapped
bounce("The amount of license copies to mint is not valid");
if (NOT exists(trigger.data["price"]))
bounce("price field is mandatory");
$currency = $CURRENCY_REGISTRY.$getCurrency(trigger.data["currency"]);
$profile = $USER_REGISTRY_ADDRESS.$profileOf(trigger.address);
if (trigger.data["currency"]){
if (NOT $currency)
bounce("The provided currency is not supported");
}
$price = trigger.data["currency"] //Price in the selected currency
? $CURRENCY_REGISTRY.$convert(trigger.data["price"], trigger.data["currency"])
: trigger.data["price"];
if ($price <= 0) //Check that price in any currency is > 0
bounce("price field must be higher than 0");
if (NOT exists(trigger.data["currency"])){ //It is priced in bytes
if ($price < 20000) //It not worth to sell for under 20KB also it might be an user error trying to price in GBYTES
bounce("The minium price is 20.000 bytes");
if (NOT is_valid_amount($price))
bounce("price is not valid");
}
if (exists(trigger.data["maxPeriods"])){ //Periods are discrete to better represent how licenses currently work IRL (sellers may be interested in not selling continous periods)
if (NOT is_integer(trigger.data["maxPeriods"]))
bounce("maxPeriods must be an integer");
if (trigger.data["maxPeriods"] <= 0)
bounce("maxPeriods must be positive");
if (NOT exists(trigger.data["validity"]))
bounce("If you set maxPeriods you have to set validity too");
}
if (exists(trigger.data["validity"])){
if (NOT is_integer(trigger.data["validity"]))
bounce("validity must be an integer");
if (trigger.data["validity"] <= 0)
bounce("You cannot make a license valid for 0s or less");
}
if (trigger.address == $owner OR $profile.isLicensor){ //These licenses will be listed for sale so we need metadata about them
if (NOT exists(trigger.data["ipfs"])) //meta.json IPFS CID
bounce("ipfs field is mandatory");
if (NOT exists(trigger.data["title"]))
bounce("title field is mandatory");
if (length(trigger.data["title"]) > 512) //Prevent locking AA funds by sending max length titles
bounce("The license title must be at most 512 characters long");
if (exists(trigger.data["ticker"])){
if (length(trigger.data["ticker"] < 128)) //Prevent locking AA funds by sending max length names
bounce("The length of the license ticker must be at most 128 characters long");
}
if (trigger.address == $owner){ //Only the owner can set a third party as the seller to prevent approved sellers to troll another sellers by creating licensed on their name
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");
}
$pendingNaming = var["NFT_" || var["pendingNaming"]]; //Previosly issued license
}
if (exists(trigger.data["soldAt"])){
if (NOT is_integer(trigger.data["soldAt"]))
bounce("soldAt must be an integer");
if (trigger.data["soldAt"] <= timestamp)
bounce("soldAt cannot be set in the past");
}
if (exists(trigger.data["tranferrable"])){
$isTransferrable = exists(trigger.data["validity"]) //Timed licenses are not transferrable
? false
: trigger.data["tranferrable"] == "true"
? true
: false;
}
else{
$isTransferrable = false;
}
}",
"messages": {
"cases": [
{
"if": "{
trigger.data["amount"]
}",
"messages": [
{
"app": "asset",
"payload": {
"cap": "{trigger.data["amount"]}",
"is_private": false,
"is_transferrable": "{$isTransferrable}",
"auto_destroy": false,
"fixed_denominations": false,
"issued_by_definer_only": true,
"cosigned_by_definer": false,
"spender_attested": false
}
},
{
"app": "data",
"if": "{
$pendingNaming
}",
"payload": {
"asset": "{var["recordToData"]}",
"name": "{($pendingNaming.ticker OTHERWISE "Untitled")|| " license"}",
"author": "{$pendingNaming.author}",
"ipfs": "{$pendingNaming.ipfs}",
"type": "LIC",
"decimals": 0
}
},
{
"app": "state",
"state": "{
if (trigger.address == $owner OR $profile.isLicensor){
var["NFT_" || response_unit] = {
price: trigger.data["price"] OTHERWISE false,
currency: trigger.data["currency"] OTHERWISE false,
title: trigger.data["title"],
ipfs: trigger.data["ipfs"],
author: trigger.data["seller"],
validity: trigger.data["validity"] OTHERWISE false,
maxPeriods: trigger.data["maxPeriods"] OTHERWISE false,
soldAt: trigger.data["soldAt"] OTHERWISE false,
onSale: true,
type: 'LIC'
};
var["pendingNaming"] = response_unit;
}
else{ //Non trusted NFTs are unnamed (i.e: we never post a data app with metainfo)
var["FREE_" || response_unit] = {
price: trigger.data["price"] OTHERWISE false,
currency: trigger.data["currency"] OTHERWISE false,
author: trigger.address,
validity: trigger.data["validity"],
maxPeriods: trigger.data["maxPeriods"],
soldAt: trigger.data["soldAt"] OTHERWISE false,
onSale: true,
type: 'LIC'
};
}
}"
}
]
},
{
"messages": [
{
"app": "asset",
"payload": {
"is_private": false,
"is_transferrable": "{$isTransferrable}",
"auto_destroy": false,
"fixed_denominations": false,
"issued_by_definer_only": true,
"cosigned_by_definer": false,
"spender_attested": false
}
},
{
"app": "data",
"if": "{
$pendingNaming
}",
"payload": {
"asset": "{var["recordToData"]}",
"name": "{($pendingNaming.ticker OTHERWISE "Untitled") || " license"}",
"author": "{$pendingNaming.author}",
"ipfs": "{$pendingNaming.ipfs}",
"type": "LIC",
"decimals": 0
}
},
{
"app": "state",
"state": "{
if (trigger.address == $owner OR $profile.isLicensor){
var["NFT_" || response_unit] = {
price: trigger.data["price"] OTHERWISE false,
currency: trigger.data["currency"] OTHERWISE false,
title: trigger.data["title"],
ipfs: trigger.data["ipfs"],
author: trigger.data["seller"],
validity: trigger.data["validity"] OTHERWISE false,
maxPeriods: trigger.data["maxPeriods"] OTHERWISE false,
onSale: true,
type: 'LIC'
};
var["pendingNaming"] = response_unit;
}
else{
var["FREE_" || response_unit] = {
price: trigger.data["price"] OTHERWISE false,
priceCurrency: trigger.data["priceCurrency"] OTHERWISE false,
author: trigger.address,
validity: trigger.data["validity"],
maxPeriods: trigger.data["maxPeriods"],
onSale: true,
type: 'LIC'
};
}
}"
}
]
}
]
}
},
{
"if": "{
$method == "END_SALE"
}",
"init": "{
if (NOT exists(trigger.data["NFT"]))
bounce("NFT field is mandatory");
$NFT = var["NFT_" || trigger.data["NFT"]] OTHERWISE var["FREE_" || trigger.data["NFT"]];
if (NOT $NFT)
bounce("That NFT is not known by this AA");
if (trigger.address != $NFT.author)
bounce("You cannot stop a sale not created by yourself");
}",
"messages": [
{
"app": "state",
"state": "{
if (var["NFT_" || trigger.data["NFT"]])
var["NFT_" || trigger.data["NFT"]] ||= {onSale: false};
else
var["FREE_" || trigger.data["NFT"]] ||= {onSale: false};
}"
}
]
},
{
"if": "{
trigger.data["method"] == "BUY"
}",
"init": "{
$NFT = var["NFT_" || trigger.data["NFT"]] OTHERWISE var["FREE_" || trigger.data["NFT"]];
$previousExpiry = $USER_REGISTRY_ADDRESS.$licenseExpirationOf(trigger.address, trigger.data["NFT"]);
if (NOT $NFT)
bounce("NFT field is mandatory");
if ($NFT.soldAt){
if ($NFT.soldAt < timestamp)
bounce("That license sale period ended on " || timestamp_to_string($NFT.soldAt) || " UTC");
}
if (NOT $NFT.onSale)
bounce("The owner of that license cancelled its sale. No more copies will be ever sold.");
if (exists(trigger.data["periods"])){
if (NOT is_integer(trigger.data["periods"])) //Periods are discrete to better represent how licensing work right now
bounce("periods must be an integer");
}
$periods = trigger.data["periods"] OTHERWISE 1;
if ($NFT.currency) //Not priced in bytes, lets calculate the equivalent value in bytes by doing fiat=>USD=>byte if there is no direct conversion available
$expectedAmount = $CURRENCY_REGISTRY.$convert($NFT.price, $NFT.currency) * $periods;
else
$expectedAmount = $NFT.price * $periods;
if ($NFT.maxPeriods){
$remainingPeriods = ceil((($USER_REGISTRY_ADDRESS.$licenseExpirationOf(trigger.address, trigger.data["NFT"]) OTHERWISE timestamp) - timestamp) / $NFT.validity, 0);
if ($remainingPeriods + $periods > $NFT.maxPeriods)
bounce("You cannot buy that many periods in advance. Please try again when your license is closer to expiry");
}
response["rate"] = $CURRENCY_REGISTRY.$getExchangeRate($NFT.currency) / $BYTES_IN_GBYTE; //Price per byte
response["price"] = $expectedAmount;
response["currency"] = $NFT.currency;
if (trigger.output[[asset="base"]].amount < $expectedAmount)
bounce("Your payment is lower than the NFT price. You have to send " || $expectedAmount || " bytes");
$pendingNaming = var["NFT_" || var["recordToData"]];
}",
"messages": [
{
"app": "payment",
"if": "{
floor($expectedAmount * (1 - $FEE), 0) > 0
}",
"payload": {
"asset": "base",
"outputs": [
{
"address": "{$NFT.author}",
"amount": "{floor($expectedAmount * (1 - $FEE), 0)}"
},
{
"if": "{$NFT.validity}",
"address": "{$USER_REGISTRY_ADDRESS}",
"amount": 1
}
]
}
},
{
"app": "payment",
"payload": {
"asset": "{trigger.data['NFT']}",
"outputs": [
{
"address": "{trigger.address}",
"amount": "{$periods}"
}
]
}
},
{
"app": "data",
"if": "{
$pendingNaming OR $NFT.validity
}",
"init": "{
$payload = ($pendingNaming?{
asset: var["recordToData"],
name: ($pendingNaming.ticker OTHERWISE "Untitled") || " license",
author: $pendingNaming.author,
ipfs: $pendingNaming.ipfs,
type: "LIC",
decimals: 0
} : {}) || ($NFT.validity? {NFT: trigger.data["NFT"], time: $NFT.validity * $periods, method: "addTime"} : {});
}",
"payload": "{$payload}"
},
{
"app": "state",
"state": "{
if ($pendingNaming)
var["recordToData"] = false;
}"
}
]
},
{
"if": "{
$method == "CHANGE_PRICE"
}",
"init": "{
if (NOT exists(trigger.data["NFT"]))
bounce("NFT field is mandatory");
$currency = $CURRENCY_REGISTRY.$getCurrency(trigger.data["currency"]);
if (NOT exists(trigger.data["price"]))
bounce("price field is mandatory");
if (NOT exists(trigger.data["currency"])){
if (trigger.data["price"] < 20000)
bounce("price must be greater than 20.000 bytes");
}
else{
if (NOT $currency)
bounce("That currency is unsupported");
}
$price = trigger.data["currency"] ? $CURRENCY_REGISTRY.$convert(trigger.data["price"], trigger.data["currency"]) : trigger.data["price"]; //Price in the selected currency
if ($price <= 0) //Check that price in any currency is > 0
bounce("price field must be higher than 0");
$NFT = var["NFT_" || trigger.data["NFT"]] OTHERWISE var["FREE_" || trigger.data["NFT"]];
$isRegisteredNFT = var["NFT_" || trigger.data["NFT"]];
if (NOT $NFT)
bounce("NFT not found");
if ($NFT.author != trigger.address)
bounce("You can only change the price of your own licenses!");
}",
"messages": [
{
"app": "state",
"state": "{
var[($isRegisteredNFT ? "NFT_" : "FREE_") || trigger.data["NFT"]] ||= {
price: $price,
currency: trigger.data["currency"] OTHERWISE false
};
}"
}
]
},
{
"if": "{
$method == "REDEEM"
}",
"init": "{
if (NOT exists(trigger.data["signed_message"]))
bounce("signed_message field is mandatory");
if (NOT exists(trigger.data["authors"]))
bounce('authors field is mandatory');
if (NOT exists(trigger.data["meta"]))
bounce("meta field is mandatory");
$spack = {
signed_message: trigger.data["signed_message"],
authors: trigger.data["authors"]
} || trigger.data["meta"];
if ($spack.signed_message["amount"])
if (NOT is_integer($spack.signed_message["amount"]))
bounce("You cannot redeem fractional license periods");
if (NOT is_valid_signed_package($spack, $spack.authors[0]["address"]))
bounce("The signed message signature is invalid");
if (NOT $spack.signed_message["serial"])
bounce("The signed message does not contains a serial field");
if (NOT $spack.signed_message["NFT"])
bounce("The signer of this message did not include a NFT field");
//Check if the code has already been redeemed
if (var["CODE_" || $spack.signed_message["NFT"] || "_" || sha256($spack.signed_message["serial"])])
bounce("That code was already redeemed");
//Check for address-bound codes
if ($spack.signed_message["claimer"])
if ($spack.signed_message["claimer"] != trigger.address)
bounce("You cannot claim that NFT from that address");
$NFT = var["NFT_" || $spack.signed_message["NFT"]] OTHERWISE var["FREE_" || $spack.signed_message["NFT"]];
if (NOT $NFT)
bounce("That license does not exist");
if ($spack.signed_message["expireDate"]){ //Check if the code has expired
if ($NFT.soldAt){ //The license sale had an expiration date. Let's check if it is expired
if ($NFT.soldAt < timestamp)
bounce("The sale of that license has already ended. You cannot claim a copy of it");
}
if ($spack.signed_message["expireDate"] < timestamp){
bounce("That NFT is no longer claimable");
}
}
$signedAmount = $spack.signed_message["amount"] OTHERWISE 1; //A code can grant more than 1 license period
if ($NFT.author != $spack.authors[0].address)
bounce("The signer of that message is not the issuer of that license");
//Uncapped asset, we can issue whatever amount was signed
if (NOT $NFT.cap){
$periods = $signedAmount;
}
//If it is going over the cap we need to reduce the claimed amount to match the asset cap
else {
if ($NFT.unitsSold + $signedAmount > $NFT.cap)
$periods = $NFT.cap - $NFT.unitsSold;
else
$periods = $signedAmount;
}
//All copies were issued
if ($periods == 0)
bounce("All copies of that NFT have been already minted");
}",
"messages": [
{
"app": "payment",
"payload": {
"asset": "{$spack.signed_message["NFT"]}",
"outputs": [
{
"address": "{trigger.address}",
"amount": "{$periods}"
},
{
"if": "{$NFT.validity}",
"address": "{$USER_REGISTRY_ADDRESS}",
"amount": 1
}
]
}
},
{
"if": "{
$NFT.validity
}",
"app": "data",
"payload": {
"NFT": "{$spack.signed_message["NFT"]}",
"time": "{$signedAmount * $NFT.validity}"
}
},
{
"app": "state",
"state": "{
var["CODE_" || $spack.signed_message["NFT"] || "_" || sha256($spack.signed_message["serial"])] = true; //Mark as used
}"
}
]
}
]
}
}
]