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73 lines
2.2 KiB
73 lines
2.2 KiB
package goldilocks
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import (
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"math/big"
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"testing"
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"github.com/consensys/gnark-crypto/ecc"
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"github.com/consensys/gnark/backend"
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"github.com/consensys/gnark/frontend"
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"github.com/consensys/gnark/test"
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)
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type TestGoldilocksRangeCheckCircuit struct {
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X frontend.Variable
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}
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func (c *TestGoldilocksRangeCheckCircuit) Define(api frontend.API) error {
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glApi := NewGoldilocksApi(api)
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glApi.RangeCheck(NewVariable(c.X))
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return nil
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}
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func TestGoldilocksRangeCheck(t *testing.T) {
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assert := test.NewAssert(t)
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var circuit, witness TestGoldilocksRangeCheckCircuit
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witness.X = 1
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assert.ProverSucceeded(&circuit, &witness, test.WithCurves(ecc.BN254), test.WithBackends(backend.GROTH16), test.NoSerializationChecks())
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witness.X = 0
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assert.ProverSucceeded(&circuit, &witness, test.WithCurves(ecc.BN254), test.WithBackends(backend.GROTH16), test.NoSerializationChecks())
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witness.X = MODULUS
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assert.ProverFailed(&circuit, &witness, test.WithCurves(ecc.BN254), test.WithBackends(backend.GROTH16), test.NoSerializationChecks())
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one := big.NewInt(1)
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maxValidVal := new(big.Int).Sub(MODULUS, one)
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witness.X = maxValidVal
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assert.ProverSucceeded(&circuit, &witness, test.WithCurves(ecc.BN254), test.WithBackends(backend.GROTH16))
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}
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type TestGoldilocksMulAddCircuit struct {
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X, Y, Z frontend.Variable
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ExpectedResult frontend.Variable
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}
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func (c *TestGoldilocksMulAddCircuit) Define(api frontend.API) error {
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glApi := NewGoldilocksApi(api)
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calculateValue := glApi.MulAdd(NewVariable(c.X), NewVariable(c.Y), NewVariable(c.Z))
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api.AssertIsEqual(calculateValue.Limb, c.ExpectedResult)
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return nil
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}
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func TestGoldilocksMulAdd(t *testing.T) {
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assert := test.NewAssert(t)
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var circuit, witness TestGoldilocksMulAddCircuit
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witness.X = 1
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witness.Y = 2
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witness.Z = 3
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witness.ExpectedResult = 5
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assert.ProverSucceeded(&circuit, &witness, test.WithCurves(ecc.BN254), test.WithBackends(backend.GROTH16), test.NoFuzzing())
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bigOperand := new(big.Int).SetUint64(9223372036854775808)
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expectedValue, _ := new(big.Int).SetString("18446744068340842500", 10)
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witness.X = bigOperand
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witness.Y = bigOperand
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witness.Z = 3
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witness.ExpectedResult = expectedValue
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assert.ProverSucceeded(&circuit, &witness, test.WithCurves(ecc.BN254), test.WithBackends(backend.GROTH16), test.NoFuzzing())
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}
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