Python Supercircuit

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "chiquito"
-version = "0.1.2023070800"
+version = "0.1.2023091900"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 authors = ["Leo Lara <[email protected]>"]

examples/mimc7.py

@@ -0,0 +1,169 @@
+from __future__ import annotations
+from chiquito.dsl import SuperCircuit, Circuit, StepType
+from chiquito.cb import eq, table
+from chiquito.util import F
+
+from mimc7_constants import ROUND_KEYS
+
+ROUNDS = 91
+
+
+# It's the best practice to wrap all values in F, even though the `assign` functions automatically wrap values in F.
+class Mimc7Constants(Circuit):
+    def setup(self):
+        self.pragma_num_steps(ROUNDS)
+        self.lookup_row = self.fixed("constant row")
+        self.lookup_c = self.fixed("constant value")
+        self.lookup_table = self.new_table(
+            table().add(self.lookup_row).add(self.lookup_c)
+        )
+
+    def fixed_gen(self):
+        for i, round_key in enumerate(ROUND_KEYS):
+            self.assign(i, self.lookup_row, F(i))
+            self.assign(i, self.lookup_c, F(round_key))
+
+
+class Mimc7Circuit(Circuit):
+    def setup(self):
+        self.x = self.forward("x")
+        self.k = self.forward("k")
+        self.c = self.forward("c")
+        self.row = self.forward("row")
+
+        self.mimc7_first_step = self.step_type(Mimc7FirstStep(self, "mimc7_first_step"))
+        self.mimc7_step = self.step_type(Mimc7Step(self, "mimc7_step"))
+        self.mimc7_last_step = self.step_type(Mimc7LastStep(self, "mimc7_last_step"))
+
+        self.pragma_first_step(self.mimc7_first_step)
+        self.pragma_last_step(self.mimc7_last_step)
+        self.pragma_num_steps(ROUNDS + 2 - 1)
+
+    def trace(self, x_in_value, k_value):
+        c_value = F(ROUND_KEYS[0])
+        x_value = F(x_in_value)
+        row_value = F(0)
+
+        self.add(self.mimc7_first_step, x_value, k_value, c_value, row_value)
+
+        for i in range(1, ROUNDS):
+            row_value += F(1)
+            x_value += F(k_value + c_value)
+            x_value = F(x_value**7)
+            c_value = F(ROUND_KEYS[i])
+
+            self.add(self.mimc7_step, x_value, k_value, c_value, row_value)
+
+        row_value += F(1)
+        x_value += F(k_value + c_value)
+        x_value = F(x_value**7)
+
+        self.add(self.mimc7_last_step, x_value, k_value, c_value, row_value)
+
+
+class Mimc7FirstStep(StepType):
+    def setup(self):
+        self.xkc = self.internal("xkc")
+        self.y = self.internal("y")
+
+        self.constr(eq(self.circuit.x + self.circuit.k + self.circuit.c, self.xkc))
+        self.constr(
+            eq(
+                self.xkc
+                * self.xkc
+                * self.xkc
+                * self.xkc
+                * self.xkc
+                * self.xkc
+                * self.xkc,
+                self.y,
+            )
+        )
+
+        self.transition(eq(self.y, self.circuit.x.next()))
+        self.transition(eq(self.circuit.k, self.circuit.k.next()))
+        self.transition(eq(self.circuit.row, 0))
+        self.transition(eq(self.circuit.row + 1, self.circuit.row.next()))
+
+        self.add_lookup(
+            self.circuit.imports.apply(self.circuit.row).apply(self.circuit.c)
+        )
+
+    def wg(self, x_value, k_value, c_value, row_value):
+        self.assign(self.circuit.x, F(x_value))
+        self.assign(self.circuit.k, F(k_value))
+        self.assign(self.circuit.c, F(c_value))
+        self.assign(self.circuit.row, F(row_value))
+
+        xkc_value = F(x_value + k_value + c_value)
+        self.assign(self.xkc, F(xkc_value))
+        self.assign(self.y, F(xkc_value**7))
+
+
+class Mimc7Step(StepType):
+    def setup(self):
+        self.xkc = self.internal("xkc")
+        self.y = self.internal("y")
+
+        self.constr(eq(self.circuit.x + self.circuit.k + self.circuit.c, self.xkc))
+        self.constr(
+            eq(
+                self.xkc
+                * self.xkc
+                * self.xkc
+                * self.xkc
+                * self.xkc
+                * self.xkc
+                * self.xkc,
+                self.y,
+            )
+        )
+
+        self.transition(eq(self.y, self.circuit.x.next()))
+        self.transition(eq(self.circuit.k, self.circuit.k.next()))
+        self.transition(eq(self.circuit.row + 1, self.circuit.row.next()))
+
+        self.add_lookup(
+            self.circuit.imports.apply(self.circuit.row).apply(self.circuit.c)
+        )
+
+    def wg(self, x_value, k_value, c_value, row_value):
+        self.assign(self.circuit.x, F(x_value))
+        self.assign(self.circuit.k, F(k_value))
+        self.assign(self.circuit.c, F(c_value))
+        self.assign(self.circuit.row, F(row_value))
+
+        xkc_value = F(x_value + k_value + c_value)
+        self.assign(self.xkc, F(xkc_value))
+        self.assign(self.y, F(xkc_value**7))
+
+
+class Mimc7LastStep(StepType):
+    def setup(self):
+        self.out = self.internal("out")
+
+        self.constr(eq(self.circuit.x + self.circuit.k, self.out))
+
+    def wg(self, x_value, k_value, _, row_value):
+        self.assign(self.circuit.x, F(x_value))
+        self.assign(self.circuit.k, F(k_value))
+        self.assign(self.circuit.row, F(row_value))
+        self.assign(self.out, F(x_value + k_value))
+
+
+class Mimc7SuperCircuit(SuperCircuit):
+    def setup(self):
+        self.mimc7_constants = self.sub_circuit(Mimc7Constants(self, imports=None))
+        self.mimc7_circuit = self.sub_circuit(
+            Mimc7Circuit(self, imports=self.mimc7_constants.lookup_table)
+        )
+
+    def mapping(self, x_in_value, k_value):
+        self.map(self.mimc7_circuit, x_in_value, k_value)
+
+
+mimc7 = Mimc7SuperCircuit()
+mimc7_super_witness = mimc7.gen_witness(F(1), F(2))
+# for key, value in mimc7_super_witness.items():
+#     print(f"{key}: {str(value)}")
+mimc7.halo2_mock_prover(mimc7_super_witness)

examples/mimc7_constants.py

@@ -0,0 +1,93 @@
+ROUND_KEYS = [
+    0,
+    20888961410941983456478427210666206549300505294776164667214940546594746570981,
+    15265126113435022738560151911929040668591755459209400716467504685752745317193,
+    8334177627492981984476504167502758309043212251641796197711684499645635709656,
+    1374324219480165500871639364801692115397519265181803854177629327624133579404,
+    11442588683664344394633565859260176446561886575962616332903193988751292992472,
+    2558901189096558760448896669327086721003508630712968559048179091037845349145,
+    11189978595292752354820141775598510151189959177917284797737745690127318076389,
+    3262966573163560839685415914157855077211340576201936620532175028036746741754,
+    17029914891543225301403832095880481731551830725367286980611178737703889171730,
+    4614037031668406927330683909387957156531244689520944789503628527855167665518,
+    19647356996769918391113967168615123299113119185942498194367262335168397100658,
+    5040699236106090655289931820723926657076483236860546282406111821875672148900,
+    2632385916954580941368956176626336146806721642583847728103570779270161510514,
+    17691411851977575435597871505860208507285462834710151833948561098560743654671,
+    11482807709115676646560379017491661435505951727793345550942389701970904563183,
+    8360838254132998143349158726141014535383109403565779450210746881879715734773,
+    12663821244032248511491386323242575231591777785787269938928497649288048289525,
+    3067001377342968891237590775929219083706800062321980129409398033259904188058,
+    8536471869378957766675292398190944925664113548202769136103887479787957959589,
+    19825444354178182240559170937204690272111734703605805530888940813160705385792,
+    16703465144013840124940690347975638755097486902749048533167980887413919317592,
+    13061236261277650370863439564453267964462486225679643020432589226741411380501,
+    10864774797625152707517901967943775867717907803542223029967000416969007792571,
+    10035653564014594269791753415727486340557376923045841607746250017541686319774,
+    3446968588058668564420958894889124905706353937375068998436129414772610003289,
+    4653317306466493184743870159523234588955994456998076243468148492375236846006,
+    8486711143589723036499933521576871883500223198263343024003617825616410932026,
+    250710584458582618659378487568129931785810765264752039738223488321597070280,
+    2104159799604932521291371026105311735948154964200596636974609406977292675173,
+    16313562605837709339799839901240652934758303521543693857533755376563489378839,
+    6032365105133504724925793806318578936233045029919447519826248813478479197288,
+    14025118133847866722315446277964222215118620050302054655768867040006542798474,
+    7400123822125662712777833064081316757896757785777291653271747396958201309118,
+    1744432620323851751204287974553233986555641872755053103823939564833813704825,
+    8316378125659383262515151597439205374263247719876250938893842106722210729522,
+    6739722627047123650704294650168547689199576889424317598327664349670094847386,
+    21211457866117465531949733809706514799713333930924902519246949506964470524162,
+    13718112532745211817410303291774369209520657938741992779396229864894885156527,
+    5264534817993325015357427094323255342713527811596856940387954546330728068658,
+    18884137497114307927425084003812022333609937761793387700010402412840002189451,
+    5148596049900083984813839872929010525572543381981952060869301611018636120248,
+    19799686398774806587970184652860783461860993790013219899147141137827718662674,
+    19240878651604412704364448729659032944342952609050243268894572835672205984837,
+    10546185249390392695582524554167530669949955276893453512788278945742408153192,
+    5507959600969845538113649209272736011390582494851145043668969080335346810411,
+    18177751737739153338153217698774510185696788019377850245260475034576050820091,
+    19603444733183990109492724100282114612026332366576932662794133334264283907557,
+    10548274686824425401349248282213580046351514091431715597441736281987273193140,
+    1823201861560942974198127384034483127920205835821334101215923769688644479957,
+    11867589662193422187545516240823411225342068709600734253659804646934346124945,
+    18718569356736340558616379408444812528964066420519677106145092918482774343613,
+    10530777752259630125564678480897857853807637120039176813174150229243735996839,
+    20486583726592018813337145844457018474256372770211860618687961310422228379031,
+    12690713110714036569415168795200156516217175005650145422920562694422306200486,
+    17386427286863519095301372413760745749282643730629659997153085139065756667205,
+    2216432659854733047132347621569505613620980842043977268828076165669557467682,
+    6309765381643925252238633914530877025934201680691496500372265330505506717193,
+    20806323192073945401862788605803131761175139076694468214027227878952047793390,
+    4037040458505567977365391535756875199663510397600316887746139396052445718861,
+    19948974083684238245321361840704327952464170097132407924861169241740046562673,
+    845322671528508199439318170916419179535949348988022948153107378280175750024,
+    16222384601744433420585982239113457177459602187868460608565289920306145389382,
+    10232118865851112229330353999139005145127746617219324244541194256766741433339,
+    6699067738555349409504843460654299019000594109597429103342076743347235369120,
+    6220784880752427143725783746407285094967584864656399181815603544365010379208,
+    6129250029437675212264306655559561251995722990149771051304736001195288083309,
+    10773245783118750721454994239248013870822765715268323522295722350908043393604,
+    4490242021765793917495398271905043433053432245571325177153467194570741607167,
+    19596995117319480189066041930051006586888908165330319666010398892494684778526,
+    837850695495734270707668553360118467905109360511302468085569220634750561083,
+    11803922811376367215191737026157445294481406304781326649717082177394185903907,
+    10201298324909697255105265958780781450978049256931478989759448189112393506592,
+    13564695482314888817576351063608519127702411536552857463682060761575100923924,
+    9262808208636973454201420823766139682381973240743541030659775288508921362724,
+    173271062536305557219323722062711383294158572562695717740068656098441040230,
+    18120430890549410286417591505529104700901943324772175772035648111937818237369,
+    20484495168135072493552514219686101965206843697794133766912991150184337935627,
+    19155651295705203459475805213866664350848604323501251939850063308319753686505,
+    11971299749478202793661982361798418342615500543489781306376058267926437157297,
+    18285310723116790056148596536349375622245669010373674803854111592441823052978,
+    7069216248902547653615508023941692395371990416048967468982099270925308100727,
+    6465151453746412132599596984628739550147379072443683076388208843341824127379,
+    16143532858389170960690347742477978826830511669766530042104134302796355145785,
+    19362583304414853660976404410208489566967618125972377176980367224623492419647,
+    1702213613534733786921602839210290505213503664731919006932367875629005980493,
+    10781825404476535814285389902565833897646945212027592373510689209734812292327,
+    4212716923652881254737947578600828255798948993302968210248673545442808456151,
+    7594017890037021425366623750593200398174488805473151513558919864633711506220,
+    18979889247746272055963929241596362599320706910852082477600815822482192194401,
+    13602139229813231349386885113156901793661719180900395818909719758150455500533,
+]

src/ast/mod.rs

@@ -1,12 +1,12 @@
 pub mod query;
 
-use std::{collections::HashMap, fmt::Debug, rc::Rc};
+use std::{collections::HashMap, fmt::Debug, hash::Hash, rc::Rc};
 
 use crate::{
     frontend::dsl::StepTypeHandler,
     poly::Expr,
     util::{uuid, UUID},
-    wit_gen::{FixedGenContext, Trace, TraceContext},
+    wit_gen::{FixedAssignment, FixedGenContext, Trace, TraceContext},
 };
 
 use halo2_proofs::plonk::{Advice, Column as Halo2Column, ColumnType, Fixed};
@@ -28,7 +28,7 @@ pub struct Circuit<F, TraceArgs> {
     pub annotations: HashMap<UUID, String>,
 
     pub trace: Option<Rc<Trace<F, TraceArgs>>>,
-    pub fixed_gen: Option<Rc<FixedGen<F>>>,
+    pub fixed_assignments: Option<FixedAssignment<F>>,
 
     pub first_step: Option<StepTypeUUID>,
     pub last_step: Option<StepTypeUUID>,
@@ -41,10 +41,19 @@ pub struct Circuit<F, TraceArgs> {
 impl<F: Debug, TraceArgs: Debug> Debug for Circuit<F, TraceArgs> {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         f.debug_struct("Circuit")
+            .field("step_types", &self.step_types)
             .field("forward_signals", &self.forward_signals)
+            .field("shared_signals", &self.shared_signals)
+            .field("fixed_signals", &self.fixed_signals)
             .field("halo2_advice", &self.halo2_advice)
-            .field("step_types", &self.step_types)
+            .field("halo2_fixed", &self.halo2_fixed)
+            .field("exposed", &self.exposed)
             .field("annotations", &self.annotations)
+            .field("fixed_assignments", &self.fixed_assignments)
+            .field("first_step", &self.first_step)
+            .field("last_step", &self.last_step)
+            .field("num_steps", &self.num_steps)
+            .field("q_enable", &self.q_enable)
             .finish()
     }
 }
@@ -65,7 +74,7 @@ impl<F, TraceArgs> Default for Circuit<F, TraceArgs> {
             annotations: Default::default(),
 
             trace: None,
-            fixed_gen: None,
+            fixed_assignments: None,
 
             first_step: None,
             last_step: None,
@@ -166,21 +175,20 @@ impl<F, TraceArgs> Circuit<F, TraceArgs> {
         }
     }
 
-    pub fn set_fixed_gen<D>(&mut self, def: D)
-    where
-        D: Fn(&mut FixedGenContext<F>) + 'static,
-    {
-        match self.fixed_gen {
-            None => self.fixed_gen = Some(Rc::new(def)),
-            Some(_) => panic!("circuit cannot have more than one fixed generator"),
-        }
-    }
-
     pub fn get_step_type(&self, uuid: UUID) -> Rc<StepType<F>> {
         let step_rc = self.step_types.get(&uuid).expect("step type not found");
 
         Rc::clone(step_rc)
     }
+
+    pub fn set_fixed_assignments(&mut self, assignments: FixedAssignment<F>) {
+        match self.fixed_assignments {
+            None => {
+                self.fixed_assignments = Some(assignments);
+            }
+            Some(_) => panic!("circuit cannot have more than one fixed generator"),
+        }
+    }
 }
 
 pub type FixedGen<F> = dyn Fn(&mut FixedGenContext<F>) + 'static;
@@ -451,7 +459,7 @@ impl FixedSignal {
     }
 }
 
-#[derive(Clone, Copy)]
+#[derive(Clone, Copy, Debug)]
 pub enum ExposeOffset {
     First,
     Last,