@mysten/sui
Version:
Sui TypeScript API(Work in Progress)
61 lines (60 loc) • 1.27 kB
JavaScript
import {
poseidon1,
poseidon2,
poseidon3,
poseidon4,
poseidon5,
poseidon6,
poseidon7,
poseidon8,
poseidon9,
poseidon10,
poseidon11,
poseidon12,
poseidon13,
poseidon14,
poseidon15,
poseidon16
} from "poseidon-lite";
const poseidonNumToHashFN = [
poseidon1,
poseidon2,
poseidon3,
poseidon4,
poseidon5,
poseidon6,
poseidon7,
poseidon8,
poseidon9,
poseidon10,
poseidon11,
poseidon12,
poseidon13,
poseidon14,
poseidon15,
poseidon16
];
const BN254_FIELD_SIZE = 21888242871839275222246405745257275088548364400416034343698204186575808495617n;
function poseidonHash(inputs) {
inputs.forEach((x) => {
const b = BigInt(x);
if (b < 0 || b >= BN254_FIELD_SIZE) {
throw new Error(`Element ${b} not in the BN254 field`);
}
});
const hashFN = poseidonNumToHashFN[inputs.length - 1];
if (hashFN) {
return hashFN(inputs);
} else if (inputs.length <= 32) {
const hash1 = poseidonHash(inputs.slice(0, 16));
const hash2 = poseidonHash(inputs.slice(16));
return poseidonHash([hash1, hash2]);
} else {
throw new Error(`Yet to implement: Unable to hash a vector of length ${inputs.length}`);
}
}
export {
BN254_FIELD_SIZE,
poseidonHash
};
//# sourceMappingURL=poseidon.js.map