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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| package extractor_test | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/consensys/gnark-crypto/ecc" | ||
| "github.com/consensys/gnark/frontend" | ||
| "github.com/consensys/gnark/std/math/emulated" | ||
| "github.com/reilabs/gnark-lean-extractor/v3/extractor" | ||
| "log" | ||
| "testing" | ||
| ) | ||
|
|
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| type NonnativeCube[T emulated.FieldParams] struct { | ||
| Input emulated.Element[T] | ||
| Cubed emulated.Element[T] | ||
| } | ||
|
|
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| func (gadget *NonnativeCube[T]) Define(api frontend.API) error { | ||
| field, err := emulated.NewField[T](api) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| result := field.Mul(&gadget.Input, &gadget.Input) | ||
| result = field.Mul(result, &gadget.Input) | ||
| field.AssertIsEqual(result, &gadget.Cubed) | ||
| return nil | ||
| } | ||
|
|
||
| func TestNonnativeCubeCircuit(t *testing.T) { | ||
| circuit := NonnativeCube[emulated.BLS12381Fr]{} | ||
| out, err := extractor.CircuitToLean(&circuit, ecc.BN254) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| fmt.Println(out) | ||
| checkOutput(t, out) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| package vergo | ||
|
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| type Slice[T any] Vergo[[]T] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| package vergo | ||
|
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| type Uint64 Vergo[uint64] | ||
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| func Add(a, b Uint64) Uint64 { | ||
| return Uint64(PrimOp1(func() uint64 { return a.Value + b.Value }, *a.Variable, *b.Variable)) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| package vergo | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "runtime" | ||
| "strings" | ||
| ) | ||
|
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| func getQualifiedCallerName(skip int) string { | ||
| pc, _, _, ok := runtime.Caller(skip + 1) | ||
| if !ok { | ||
| panic("oops") | ||
| } | ||
| frames := runtime.CallersFrames((&[1]uintptr{pc})[:]) | ||
| frame, _ := frames.Next() | ||
| return frame.Function | ||
| } | ||
|
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| type Op struct { | ||
| tag string | ||
| inputs []Variable | ||
| outputs []Variable | ||
| } | ||
|
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| func (o Op) StringWithIndent(indent int) string { | ||
| indents := strings.Repeat("\t", indent) | ||
| results := make([]string, len(o.outputs)) | ||
| for i, v := range o.outputs { | ||
| results[i] = fmt.Sprintf("v%d", v.id) | ||
| } | ||
| inputs := make([]string, len(o.inputs)) | ||
| for i, v := range o.inputs { | ||
| inputs[i] = fmt.Sprintf("v%d", v.id) | ||
| } | ||
| res := fmt.Sprintf("%s%s := %s(%s)", indents, strings.Join(results, ", "), o.tag, strings.Join(inputs, ", ")) | ||
| return res | ||
| } | ||
|
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| type Scope struct { | ||
| lastVar int | ||
| ops []Op | ||
| } | ||
|
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| func (s *Scope) String() string { | ||
| res := "" | ||
| for _, op := range s.ops { | ||
| res += op.StringWithIndent(1) + "\n" | ||
| } | ||
| return res | ||
| } | ||
|
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| func (s *Scope) NewVariable() Variable { | ||
| s.lastVar++ | ||
| return Variable{ | ||
| id: s.lastVar, | ||
| scope: s, | ||
| } | ||
| } | ||
|
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| var globalScope *Scope = nil | ||
|
|
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| func NewScope() *Scope { | ||
| return &Scope{} | ||
| } | ||
|
|
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| type Variable struct { | ||
| id int | ||
| scope *Scope | ||
| } | ||
|
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| type Vergo[T any] struct { | ||
| Variable *Variable | ||
| Value T | ||
| } | ||
|
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| func (vergo *Vergo[T]) OfVar(v *Variable) *Vergo[T] { | ||
| vergo.Variable = v | ||
| return vergo | ||
| } | ||
|
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| func IsExtracting() bool { | ||
| return globalScope != nil | ||
| } | ||
|
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| func PrimOp1[T any](handler func() T, vars ...Variable) Vergo[T] { | ||
| if globalScope == nil { | ||
| return Vergo[T]{Value: handler()} | ||
| } else { | ||
| res := globalScope.NewVariable() | ||
| globalScope.ops = append(globalScope.ops, Op{getQualifiedCallerName(1), vars, []Variable{res}}) | ||
| return Vergo[T]{Variable: &res} | ||
| } | ||
| } | ||
|
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| func StartExtracting() { | ||
| globalScope = NewScope() | ||
| } | ||
|
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| func StopExtracting() *Scope { | ||
| res := globalScope | ||
| globalScope = nil | ||
| return res | ||
| } | ||
|
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| func FreeVar() *Variable { | ||
| if globalScope == nil { | ||
| return nil | ||
| } | ||
| r := globalScope.NewVariable() | ||
| return &r | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| package vergo_test | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/reilabs/gnark-lean-extractor/v3/vergo" | ||
| "testing" | ||
| ) | ||
|
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| func TestThisThing(t *testing.T) { | ||
| vergo.StartExtracting() | ||
| v1 := vergo.Uint64(*new(vergo.Vergo[uint64]).OfVar(vergo.FreeVar())) | ||
| v2 := vergo.Uint64(*new(vergo.Vergo[uint64]).OfVar(vergo.FreeVar())) | ||
| v3 := vergo.Add(v1, v2) | ||
| vergo.Add(v3, v3) | ||
| scope := vergo.StopExtracting() | ||
| fmt.Printf("%v", scope) | ||
| fmt.Printf("TESTANDO\n") | ||
| } |