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88 lines
2.5 KiB
88 lines
2.5 KiB
package circuitcompiler
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import (
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"math/big"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestCircuitParser(t *testing.T) {
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// y = x^3 + x + 5
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flat := `
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func test(private s0, public s1):
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s2 = s0 * s0
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s3 = s2 * s0
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s4 = s3 + s0
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s5 = s4 + 5
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equals(s1, s5)
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out = 1 * 1
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`
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parser := NewParser(strings.NewReader(flat))
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circuit, err := parser.Parse()
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assert.Nil(t, err)
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// flat code to R1CS
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a, b, c := circuit.GenerateR1CS()
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assert.Equal(t, "s0", circuit.PrivateInputs[0])
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assert.Equal(t, "s1", circuit.PublicInputs[0])
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assert.Equal(t, []string{"one", "s1", "s0", "s2", "s3", "s4", "s5", "out"}, circuit.Signals)
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// expected result
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b0 := big.NewInt(int64(0))
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b1 := big.NewInt(int64(1))
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b5 := big.NewInt(int64(5))
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aExpected := [][]*big.Int{
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[]*big.Int{b0, b0, b1, b0, b0, b0, b0, b0},
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[]*big.Int{b0, b0, b0, b1, b0, b0, b0, b0},
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[]*big.Int{b0, b0, b1, b0, b1, b0, b0, b0},
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[]*big.Int{b5, b0, b0, b0, b0, b1, b0, b0},
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[]*big.Int{b0, b0, b0, b0, b0, b0, b1, b0},
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[]*big.Int{b0, b1, b0, b0, b0, b0, b0, b0},
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[]*big.Int{b1, b0, b0, b0, b0, b0, b0, b0},
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}
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bExpected := [][]*big.Int{
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[]*big.Int{b0, b0, b1, b0, b0, b0, b0, b0},
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[]*big.Int{b0, b0, b1, b0, b0, b0, b0, b0},
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[]*big.Int{b1, b0, b0, b0, b0, b0, b0, b0},
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[]*big.Int{b1, b0, b0, b0, b0, b0, b0, b0},
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[]*big.Int{b1, b0, b0, b0, b0, b0, b0, b0},
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[]*big.Int{b1, b0, b0, b0, b0, b0, b0, b0},
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[]*big.Int{b1, b0, b0, b0, b0, b0, b0, b0},
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}
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cExpected := [][]*big.Int{
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[]*big.Int{b0, b0, b0, b1, b0, b0, b0, b0},
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[]*big.Int{b0, b0, b0, b0, b1, b0, b0, b0},
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[]*big.Int{b0, b0, b0, b0, b0, b1, b0, b0},
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[]*big.Int{b0, b0, b0, b0, b0, b0, b1, b0},
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[]*big.Int{b0, b1, b0, b0, b0, b0, b0, b0},
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[]*big.Int{b0, b0, b0, b0, b0, b0, b1, b0},
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[]*big.Int{b0, b0, b0, b0, b0, b0, b0, b1},
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}
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assert.Equal(t, aExpected, a)
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assert.Equal(t, bExpected, b)
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assert.Equal(t, cExpected, c)
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b3 := big.NewInt(int64(3))
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privateInputs := []*big.Int{b3}
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b35 := big.NewInt(int64(35))
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publicInputs := []*big.Int{b35}
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// Calculate Witness
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w, err := circuit.CalculateWitness(privateInputs, publicInputs)
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assert.Nil(t, err)
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b9 := big.NewInt(int64(9))
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b27 := big.NewInt(int64(27))
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b30 := big.NewInt(int64(30))
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wExpected := []*big.Int{b1, b35, b3, b9, b27, b30, b35, b1}
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assert.Equal(t, wExpected, w)
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// circuitJson, _ := json.Marshal(circuit)
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// fmt.Println("circuit:", string(circuitJson))
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assert.Equal(t, circuit.NPublic, 1)
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assert.Equal(t, len(circuit.PublicInputs), 1)
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assert.Equal(t, len(circuit.PrivateInputs), 1)
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}
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