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98 lines
2.3 KiB
98 lines
2.3 KiB
package circuitcompiler
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import (
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"encoding/json"
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"fmt"
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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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/*
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input:
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def test():
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y = x**3
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return x + y + 5
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flattened:
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m1 = s1 * s1
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m2 = m1 * s1
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m3 = m2 + s1
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out = m3 + 5
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*/
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// flat code, where er is expected_result
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// equals(s5, s1)
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// s1 = s5 * 1
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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 = s0 + s3
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s5 = s4 + 5
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s5 = s1 * one
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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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fmt.Println("circuit parsed: ", circuit)
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// flat code to R1CS
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fmt.Println("generating R1CS from flat code")
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a, b, c := circuit.GenerateR1CS()
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fmt.Println("private inputs: ", circuit.PrivateInputs)
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fmt.Println("public inputs: ", circuit.PublicInputs)
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fmt.Println("signals:", 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},
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// []*big.Int{b0, b0, b0, b1, b0, b0},
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// []*big.Int{b0, b0, b1, b0, b1, b0},
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// []*big.Int{b5, b0, b0, b0, b0, b1},
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// }
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// bExpected := [][]*big.Int{
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// []*big.Int{b0, b0, b1, b0, b0, b0},
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// []*big.Int{b0, b0, b1, b0, b0, b0},
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// []*big.Int{b1, b0, b0, b0, b0, b0},
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// []*big.Int{b1, 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},
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// []*big.Int{b0, b0, b0, b0, b1, b0},
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// []*big.Int{b0, b0, b0, b0, b0, b1},
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// []*big.Int{b0, b1, b0, b0, b0, b0},
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// }
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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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fmt.Println(a)
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fmt.Println(b)
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fmt.Println(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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fmt.Println("w", 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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