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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 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | 2x 2x 2x 2x 2x 2x 2x 2x 2x | export {
MerkleTreeWitness20,
RedactedMinaNFTTreeState20,
RedactedMinaNFTTreeCalculation20,
RedactedMinaNFTTreeStateProof20,
MinaNFTTreeVerifier20,
};
import { TreeElement, BaseRedactedMinaNFTTreeState } from "./redactedtree";
import {
Field,
SelfProof,
ZkProgram,
Poseidon,
MerkleWitness,
method,
DeployArgs,
Permissions,
SmartContract,
} from "o1js";
class MerkleTreeWitness20 extends MerkleWitness(20) {}
class RedactedMinaNFTTreeState20 extends BaseRedactedMinaNFTTreeState {
static create(
element: TreeElement,
originalWitness: MerkleTreeWitness20,
redactedWitness: MerkleTreeWitness20
) {
const originalWitnessRoot = originalWitness.calculateRoot(element.value);
element.originalRoot.assertEquals(originalWitnessRoot);
const calculatedOriginalIndex = originalWitness.calculateIndex();
calculatedOriginalIndex.assertEquals(element.index);
const redactedWitnessRoot = redactedWitness.calculateRoot(element.value);
element.redactedRoot.assertEquals(redactedWitnessRoot);
const calculatedRedactedIndex = redactedWitness.calculateIndex();
calculatedRedactedIndex.assertEquals(element.index);
return new RedactedMinaNFTTreeState20({
originalRoot: element.originalRoot,
redactedRoot: element.redactedRoot,
hash: Poseidon.hash([element.index, element.value]),
count: Field(1),
});
}
static merge(
state1: RedactedMinaNFTTreeState20,
state2: RedactedMinaNFTTreeState20
) {
state1.originalRoot.assertEquals(state2.originalRoot);
state1.redactedRoot.assertEquals(state2.redactedRoot);
return new RedactedMinaNFTTreeState20({
originalRoot: state1.originalRoot,
redactedRoot: state1.redactedRoot,
hash: state1.hash.add(state2.hash),
count: state1.count.add(state2.count),
});
}
static assertEquals(
state1: RedactedMinaNFTTreeState20,
state2: RedactedMinaNFTTreeState20
) {
state1.originalRoot.assertEquals(state2.originalRoot);
state1.redactedRoot.assertEquals(state2.redactedRoot);
state1.hash.assertEquals(state2.hash);
state1.count.assertEquals(state2.count);
}
}
const RedactedMinaNFTTreeCalculation20 = ZkProgram({
name: "RedactedMinaNFTTreeCalculation20",
publicInput: RedactedMinaNFTTreeState20,
methods: {
create: {
privateInputs: [TreeElement, MerkleTreeWitness20, MerkleTreeWitness20],
async method(
state: RedactedMinaNFTTreeState20,
element: TreeElement,
originalWitness: MerkleTreeWitness20,
redactedWitness: MerkleTreeWitness20
) {
const computedState = RedactedMinaNFTTreeState20.create(
element,
originalWitness,
redactedWitness
);
RedactedMinaNFTTreeState20.assertEquals(computedState, state);
},
},
merge: {
privateInputs: [SelfProof, SelfProof],
async method(
newState: RedactedMinaNFTTreeState20,
proof1: SelfProof<RedactedMinaNFTTreeState20, void>,
proof2: SelfProof<RedactedMinaNFTTreeState20, void>
) {
proof1.verify();
proof2.verify();
const computedState = RedactedMinaNFTTreeState20.merge(
proof1.publicInput,
proof2.publicInput
);
RedactedMinaNFTTreeState20.assertEquals(computedState, newState);
},
},
},
});
class RedactedMinaNFTTreeStateProof20 extends ZkProgram.Proof(
RedactedMinaNFTTreeCalculation20
) {}
class MinaNFTTreeVerifier20 extends SmartContract {
async deploy(args: DeployArgs) {
super.deploy(args);
this.account.permissions.set({
...Permissions.default(),
setDelegate: Permissions.proof(),
incrementNonce: Permissions.proof(),
setVotingFor: Permissions.proof(),
setTiming: Permissions.proof(),
});
}
@method async verifyRedactedTree(proof: RedactedMinaNFTTreeStateProof20) {
proof.verify();
}
}
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