Rearranged files (#17)

* removed unused file

* change field import

* change import of field package

* changed field import

* moved hash to poseidon and some changes to the field package

* changed file structure

field/goldilocks.go

@@ -7,13 +7,8 @@ import (
 	"github.com/consensys/gnark/std/math/emulated"
 )
 
-const D = 2
-
 type EmulatedField = emulated.Goldilocks
 type F = emulated.Element[EmulatedField]
-type QuadraticExtension = [2]F
-type QEAlgebra = [D]QuadraticExtension
-type Hash = [4]F
 
 var TEST_CURVE = ecc.BN254
 

field/quadratic_extension.go

@@ -8,6 +8,11 @@ import (
 	"github.com/consensys/gnark/frontend"
 )
 
+const D = 2
+
+type QuadraticExtension = [2]F
+type QEAlgebra = [D]QuadraticExtension
+
 type QuadraticExtensionAPI struct {
 	fieldAPI frontend.API
 

field/quadratic_extension_test.go

@@ -0,0 +1,79 @@
+package field
+
+import (
+	"testing"
+
+	"github.com/consensys/gnark/frontend"
+	"github.com/consensys/gnark/test"
+)
+
+// TODO: ADD MORE TEST CASES!!!
+
+// Test for quadratic extension multiplication
+type TestQuadraticExtensionMulCircuit struct {
+	qeAPI *QuadraticExtensionAPI
+
+	operand1       QuadraticExtension
+	operand2       QuadraticExtension
+	expectedResult QuadraticExtension
+}
+
+func (c *TestQuadraticExtensionMulCircuit) Define(api frontend.API) error {
+	fieldAPI := NewFieldAPI(api)
+	degreeBits := 3
+	c.qeAPI = NewQuadraticExtensionAPI(fieldAPI, uint64(degreeBits))
+
+	actualRes := c.qeAPI.MulExtension(c.operand1, c.operand2)
+
+	fieldAPI.AssertIsEqual(actualRes[0], c.expectedResult[0])
+	fieldAPI.AssertIsEqual(actualRes[1], c.expectedResult[1])
+
+	return nil
+}
+func TestQuadraticExtensionMul(t *testing.T) {
+	assert := test.NewAssert(t)
+
+	operand1 := QuadraticExtension{NewFieldElement(4994088319481652598), NewFieldElement(16489566008211790727)}
+	operand2 := QuadraticExtension{NewFieldElement(3797605683985595697), NewFieldElement(13424401189265534004)}
+	expectedResult := QuadraticExtension{NewFieldElement(15052319864161058789), NewFieldElement(16841416332519902625)}
+
+	circuit := TestQuadraticExtensionMulCircuit{operand1: operand1, operand2: operand2, expectedResult: expectedResult}
+	witness := TestQuadraticExtensionMulCircuit{operand1: operand1, operand2: operand2, expectedResult: expectedResult}
+	err := test.IsSolved(&circuit, &witness, TEST_CURVE.ScalarField())
+	assert.NoError(err)
+}
+
+// Test for quadratic extension division
+type TestQuadraticExtensionDivCircuit struct {
+	qeAPI *QuadraticExtensionAPI
+
+	operand1       QuadraticExtension
+	operand2       QuadraticExtension
+	expectedResult QuadraticExtension
+}
+
+func (c *TestQuadraticExtensionDivCircuit) Define(api frontend.API) error {
+	fieldAPI := NewFieldAPI(api)
+	degreeBits := 3
+	c.qeAPI = NewQuadraticExtensionAPI(fieldAPI, uint64(degreeBits))
+
+	actualRes := c.qeAPI.DivExtension(c.operand1, c.operand2)
+
+	fieldAPI.AssertIsEqual(actualRes[0], c.expectedResult[0])
+	fieldAPI.AssertIsEqual(actualRes[1], c.expectedResult[1])
+
+	return nil
+}
+
+func TestQuadraticExtensionDiv(t *testing.T) {
+	assert := test.NewAssert(t)
+
+	operand1 := QuadraticExtension{NewFieldElement(4994088319481652598), NewFieldElement(16489566008211790727)}
+	operand2 := QuadraticExtension{NewFieldElement(7166004739148609569), NewFieldElement(14655965871663555016)}
+	expectedResult := QuadraticExtension{NewFieldElement(15052319864161058789), NewFieldElement(16841416332519902625)}
+
+	circuit := TestQuadraticExtensionDivCircuit{operand1: operand1, operand2: operand2, expectedResult: expectedResult}
+	witness := TestQuadraticExtensionDivCircuit{operand1: operand1, operand2: operand2, expectedResult: expectedResult}
+	err := test.IsSolved(&circuit, &witness, TEST_CURVE.ScalarField())
+	assert.NoError(err)
+}