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AccountUpdate,
Bool,
DeployArgs,
method,
Permissions,
PublicKey,
SmartContract,
State,
state,
VerificationKey,
UInt64,
Field,
Struct,
Provable,
TokenId,
} from "o1js";
import {
FungibleTokenAdminBase,
FungibleTokenContract,
} from "@silvana-one/token";
import { NFTOwnerBase, TransferExtendedParams } from "../interfaces/index.js";
import { Auction, AuctionFactory } from "./auction.js";
import { mulDiv } from "../util/index.js";
export interface NFTSharesAdminDeployProps
extends Exclude<DeployArgs, undefined> {
admin: PublicKey;
owner: PublicKey; // The owner of the NFT
}
export interface NFTSharesOwnerDeployProps
extends Exclude<DeployArgs, undefined> {
admin: PublicKey;
owner: PublicKey;
collection: PublicKey;
nft: PublicKey;
auction: PublicKey;
maxBuyPrice: UInt64;
minSellPrice: UInt64;
uri: string;
}
export class NFTSharesDataPacked extends Struct({
adminX: Field,
ownerX: Field,
collectionX: Field,
nftX: Field,
auctionX: Field,
data: Field,
}) {}
export class NFTSharesData extends Struct({
admin: PublicKey,
owner: PublicKey,
collection: PublicKey,
nft: PublicKey,
auction: PublicKey,
maxBuyPrice: UInt64,
minSellPrice: UInt64,
}) {
pack(): NFTSharesDataPacked {
const data = Field.fromBits([
...this.maxBuyPrice.value.toBits(64),
...this.minSellPrice.value.toBits(64),
this.admin.isOdd,
this.owner.isOdd,
this.collection.isOdd,
this.nft.isOdd,
this.auction.isOdd,
]);
return new NFTSharesDataPacked({
adminX: this.admin.x,
ownerX: this.owner.x,
collectionX: this.collection.x,
nftX: this.nft.x,
auctionX: this.auction.x,
data,
});
}
static unpack(packed: NFTSharesDataPacked): NFTSharesData {
const bits = packed.data.toBits(64 + 64 + 5);
const adminIsOdd = bits[64 + 64];
const ownerIsOdd = bits[64 + 64 + 1];
const collectionIsOdd = bits[64 + 64 + 2];
const nftIsOdd = bits[64 + 64 + 3];
const auctionIsOdd = bits[64 + 64 + 4];
const adminX = packed.adminX;
const ownerX = packed.ownerX;
const collectionX = packed.collectionX;
const nftX = packed.nftX;
const auctionX = packed.auctionX;
const admin = PublicKey.from({ x: adminX, isOdd: adminIsOdd });
const owner = PublicKey.from({ x: ownerX, isOdd: ownerIsOdd });
const collection = PublicKey.from({
x: collectionX,
isOdd: collectionIsOdd,
});
const nft = PublicKey.from({ x: nftX, isOdd: nftIsOdd });
const auction = PublicKey.from({ x: auctionX, isOdd: auctionIsOdd });
const maxBuyPrice = UInt64.Unsafe.fromField(
Field.fromBits(bits.slice(0, 64))
);
const minSellPrice = UInt64.Unsafe.fromField(
Field.fromBits(bits.slice(64, 64 + 64))
);
return new NFTSharesData({
admin,
owner,
collection,
nft,
auction,
maxBuyPrice,
minSellPrice,
});
}
}
export type DefineNFTSharesFactory = (params: {
auctionContract: () => ReturnType<typeof AuctionFactory>;
}) => ReturnType<typeof NFTSharesFactory>;
export function NFTSharesFactory(params: {
auctionContract: () => ReturnType<typeof AuctionFactory>;
}) {
const { auctionContract } = params;
class NFTSharesAdmin extends SmartContract implements FungibleTokenAdminBase {
@state(PublicKey) admin = State<PublicKey>();
@state(PublicKey) owner = State<PublicKey>();
async deploy(props: NFTSharesAdminDeployProps) {
await super.deploy(props);
this.admin.set(props.admin);
this.owner.set(props.owner);
this.account.permissions.set({
...Permissions.default(),
setVerificationKey:
Permissions.VerificationKey.proofDuringCurrentVersion(),
setPermissions: Permissions.impossible(),
});
}
@method
async updateVerificationKey(vk: VerificationKey) {
this.ensureAdminSignature();
this.account.verificationKey.set(vk);
}
ensureAdminSignature(): AccountUpdate {
const admin = this.admin.getAndRequireEquals();
return AccountUpdate.createSigned(admin);
}
getOwner(): NFTSharesOwner {
return new NFTSharesOwner(this.owner.getAndRequireEquals());
}
@method.returns(Bool)
public async canMint(_accountUpdate: AccountUpdate) {
const owner = this.getOwner();
return await owner.canMint(_accountUpdate);
}
@method.returns(Bool)
public async canChangeAdmin(_admin: PublicKey) {
this.ensureAdminSignature();
return Bool(true);
}
@method.returns(Bool)
public async canPause(): Promise<Bool> {
this.ensureAdminSignature();
return Bool(true);
}
@method.returns(Bool)
public async canResume(): Promise<Bool> {
this.ensureAdminSignature();
return Bool(true);
}
@method.returns(Bool)
public async canChangeVerificationKey(_vk: VerificationKey): Promise<Bool> {
this.ensureAdminSignature();
return Bool(true);
}
}
const FungibleToken = FungibleTokenContract(NFTSharesAdmin);
class NFTSharesOwner extends SmartContract implements NFTOwnerBase {
/**
* The public key of the contract's administrator.
* This account has the authority to perform administrative actions such as pausing the contract or upgrading the verification key.
*/
@state(NFTSharesDataPacked) data = State<NFTSharesDataPacked>(); // FungibleTokenAdmin
@state(Bool) subscriptionOpen = State<Bool>(Bool(true));
@state(UInt64) sharesOutstanding = State<UInt64>(UInt64.zero);
/**
* Deploys the contract with initial settings.
* @param props - Deployment properties including admin, upgradeAuthority, uri, canPause, and isPaused.
*/
async deploy(props: NFTSharesOwnerDeployProps) {
await super.deploy(props);
this.data.set(
new NFTSharesData({
admin: props.admin,
owner: props.owner,
collection: props.collection,
nft: props.nft,
auction: props.auction,
maxBuyPrice: props.maxBuyPrice,
minSellPrice: props.minSellPrice,
}).pack()
);
this.account.zkappUri.set(props.uri);
this.subscriptionOpen.set(Bool(true));
this.sharesOutstanding.set(UInt64.zero);
this.account.permissions.set({
...Permissions.default(),
// Allow the upgrade authority to set the verification key even without a protocol upgrade,
// enabling upgrades in case of o1js breaking changes.
setVerificationKey:
Permissions.VerificationKey.proofDuringCurrentVersion(),
setPermissions: Permissions.impossible(),
});
}
/**
* Ensures that the transaction is authorized by the contract owner.
* @returns A signed `AccountUpdate` from the admin.
*/
ensureOwnerSignature(): NFTSharesData {
const data = NFTSharesData.unpack(this.data.getAndRequireEquals());
const adminUpdate = AccountUpdate.createSigned(data.admin);
adminUpdate.body.useFullCommitment = Bool(true); // Prevent memo and fee change
return data;
}
getAuction(auction: PublicKey) {
return new (auctionContract())(auction);
}
/**
* Allows the owner to mint shares.
* This method should NOT called directly, but through the FungibleToken.mint()
*
* @param _accountUpdate - The account update containing the sender's information.
* @returns A boolean indicating if the minting is allowed.
*/
@method.returns(Bool)
async canMint(_accountUpdate: AccountUpdate): Promise<Bool> {
const subscriptionOpen = this.subscriptionOpen.getAndRequireEquals();
subscriptionOpen.assertEquals(Bool(true), "Subscription is closed");
const address = _accountUpdate.publicKey;
const amount = _accountUpdate.balanceChange.magnitude;
const senderUpdate = AccountUpdate.createSigned(address);
// 1 share = 1 MINA
senderUpdate.balance.subInPlace(amount);
this.balance.addInPlace(amount);
const sharesOutstanding = this.sharesOutstanding.getAndRequireEquals();
this.sharesOutstanding.set(sharesOutstanding.add(amount));
return Bool(true);
}
@method
async withdraw(shares: UInt64) {
const subscriptionOpen = this.subscriptionOpen.getAndRequireEquals();
subscriptionOpen.assertEquals(
Bool(false),
"Subscription is not closed, cannot withdraw"
);
const sharesOutstanding = this.sharesOutstanding.getAndRequireEquals();
const balance = this.account.balance.getAndRequireEquals();
balance
.equals(UInt64.zero)
.assertFalse("Balance is zero, nothing to withdraw");
const amountInMina = mulDiv({
value: shares,
multiplier: balance,
denominator: sharesOutstanding,
}).result;
const sender = this.sender.getUnconstrained();
const senderUpdate = AccountUpdate.createSigned(sender);
senderUpdate.balance.addInPlace(amountInMina);
this.balance.subInPlace(amountInMina);
senderUpdate.body.useFullCommitment = Bool(true);
this.sharesOutstanding.set(sharesOutstanding.sub(shares));
const data = NFTSharesData.unpack(this.data.getAndRequireEquals());
const token = new FungibleToken(data.owner);
await token.burn(sender, shares);
}
@method
async closeSubscription() {
const data = this.ensureOwnerSignature();
const maxBuyPrice = data.maxBuyPrice;
this.account.balance.requireBetween(maxBuyPrice, UInt64.MAXINT());
this.subscriptionOpen.set(Bool(false));
}
@method
async bid(price: UInt64) {
const data = NFTSharesData.unpack(this.data.getAndRequireEquals());
const maxBuyPrice = data.maxBuyPrice;
price.assertLessThanOrEqual(maxBuyPrice, "Price is too high");
this.account.balance.requireBetween(price, UInt64.MAXINT());
this.subscriptionOpen.set(Bool(false));
const sharesOutstanding = this.sharesOutstanding.getAndRequireEquals();
const auction = this.getAuction(data.auction);
const sender = this.sender.getUnconstrained();
const senderUpdate = AccountUpdate.createSigned(sender);
const tokenId = TokenId.derive(data.owner);
const tokenUpdate = AccountUpdate.create(sender, tokenId);
const tokenBalance = tokenUpdate.account.balance.getAndRequireEquals();
const token = new FungibleToken(data.owner);
await token.approveAccountUpdate(tokenUpdate);
tokenBalance
.mul(4)
.assertGreaterThanOrEqual(
sharesOutstanding,
"Not enough shares to bid, minimum is 25% of the shares outstanding"
);
senderUpdate.balance.addInPlace(price);
this.balance.subInPlace(price);
senderUpdate.body.useFullCommitment = Bool(true);
await auction.bid(price, this.address);
}
@method.returns(Bool)
async canTransfer(params: TransferExtendedParams): Promise<Bool> {
const data = NFTSharesData.unpack(this.data.getAndRequireEquals());
params.collection.assertEquals(data.collection);
params.nft.assertEquals(data.nft);
const amount = params.price.assertSome();
amount.assertGreaterThanOrEqual(data.minSellPrice, "Price is too low");
const sender = this.sender.getUnconstrained();
const senderUpdate = AccountUpdate.createSigned(sender);
senderUpdate.balance.subInPlace(amount);
senderUpdate.body.useFullCommitment = Bool(true);
this.balance.addInPlace(amount);
return Bool(true);
}
@method.returns(Bool)
async canPause(collection: PublicKey, nft: PublicKey): Promise<Bool> {
this.ensureOwnerSignature();
return Bool(true);
}
@method.returns(Bool)
async canResume(collection: PublicKey, nft: PublicKey): Promise<Bool> {
this.ensureOwnerSignature();
return Bool(true);
}
@method.returns(Bool)
async canChangeVerificationKey(
collection: PublicKey,
nft: PublicKey,
vk: VerificationKey
): Promise<Bool> {
this.ensureOwnerSignature();
return Bool(true);
}
@method.returns(Bool)
async canApproveAddress(
collection: PublicKey,
nft: PublicKey,
approved: PublicKey
): Promise<Bool> {
this.ensureOwnerSignature();
return Bool(true);
}
}
return {
NFTSharesAdmin,
NFTSharesOwner,
FungibleToken,
};
}
|