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38 lines
1.4 KiB
38 lines
1.4 KiB
const chai = require("chai");
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const path = require("path");
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const wasm_tester = require("circom_tester").wasm;
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const F1Field = require("ffjavascript").F1Field;
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const Scalar = require("ffjavascript").Scalar;
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exports.p = Scalar.fromString("21888242871839275222246405745257275088548364400416034343698204186575808495617");
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const Fr = new F1Field(exports.p);
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const assert = chai.assert;
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describe("Binary sum test", function () {
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this.timeout(100000000);
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it("Should create a constant circuit", async () => {
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const circuit = await wasm_tester(path.join(__dirname, "circuits", "constants_test.circom"));
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await circuit.loadConstraints();
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assert.equal(circuit.nVars, 2);
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assert.equal(circuit.constraints.length, 1);
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const witness = await circuit.calculateWitness({ "in": Fr.toString(Fr.e("0xd807aa98"))}, true);
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assert(Fr.eq(Fr.e(witness[0]),Fr.e(1)));
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assert(Fr.eq(Fr.e(witness[1]),Fr.e("0xd807aa98")));
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});
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it("Should create a sum circuit", async () => {
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const circuit = await wasm_tester(path.join(__dirname, "circuits", "sum_test.circom"));
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await circuit.loadConstraints();
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assert.equal(circuit.constraints.length, 97); // 32 (in1) + 32(in2) + 32(out) + 1 (carry)
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const witness = await circuit.calculateWitness({ "a": "111", "b": "222" }, true);
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assert(Fr.eq(Fr.e(witness[0]),Fr.e(1)));
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assert(Fr.eq(Fr.e(witness[1]),Fr.e("333")));
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});
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});
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