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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | 27x 27x 27x 27x 35x 4x 4x 4x 27x 12x 12x 12x 27x 12x 12x 12x 27x 12x 12x 12x 12x 12x 12x 12x | export { Escrow, EscrowDeposit };
import {
Field,
method,
DeployArgs,
Permissions,
SmartContract,
UInt64,
Signature,
PublicKey,
Poseidon,
Struct,
} from "o1js";
import { MinaNFTNameServiceContract } from "../contract/names";
import { EscrowTransfer } from "../contract/escrow";
class EscrowDeposit extends Struct({
data: EscrowTransfer,
signature: Signature,
}) {
constructor(args: { data: EscrowTransfer; signature: Signature }) {
super(args);
}
}
/**
* class Escrow
*
*/
class Escrow extends SmartContract {
events = {
deploy: Field,
transfer: EscrowTransfer,
deposit: EscrowTransfer,
approveSale: EscrowTransfer,
};
async deploy(args: DeployArgs) {
super.deploy(args);
this.account.permissions.set({
...Permissions.default(),
editState: Permissions.proof(),
});
this.emitEvent("deploy", Field(0));
}
@method async deposit(deposited: EscrowDeposit, buyer: PublicKey) {
deposited.data.newOwner.assertEquals(Poseidon.hash(buyer.toFields()));
deposited.data.tokenId.assertEquals(Field(0)); // should be MINA
//const senderUpdate = AccountUpdate.create(buyer);
//senderUpdate.requireSignature();
//senderUpdate.send({ to: this.address, amount: deposited.data.price });
this.emitEvent("deposit", deposited.data);
}
@method async approveSale(deposited: EscrowDeposit, seller: PublicKey) {
deposited.data.oldOwner.assertEquals(Poseidon.hash(seller.toFields()));
deposited.data.tokenId.assertEquals(Field(0)); // should be MINA
this.emitEvent("approveSale", deposited.data);
}
@method async transfer(
nft: PublicKey,
nameService: PublicKey,
data: EscrowTransfer,
signature1: Signature,
signature2: Signature,
signature3: Signature,
escrow1: PublicKey,
escrow2: PublicKey,
escrow3: PublicKey,
amount: UInt64,
seller: PublicKey,
buyer: PublicKey
) {
data.price.assertEquals(amount);
data.tokenId.assertEquals(Field(0)); // should be MINA
data.oldOwner.assertEquals(Poseidon.hash(seller.toFields()));
data.newOwner.assertEquals(Poseidon.hash(buyer.toFields()));
const minanft = new MinaNFTNameServiceContract(nameService);
await minanft.escrowTransfer(
nft,
data,
signature1,
signature2,
signature3,
escrow1,
escrow2,
escrow3
);
//this.send({ to: seller, amount });
this.emitEvent("transfer", data);
}
}
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