rename verify embed, update changelog

changelogs/unreleased/918-dark64

@@ -1 +1 @@
-Add SNARK verification to stdlib
+Introduce the `snark_verify_bls12_377` embed for one-layer composition of SNARK proofs (over `BLS12-377`/`BW6-761` pair of curves where `BW6-761` is used as an outer curve to `BLS12-377`)

zokrates_core/src/imports.rs

@@ -16,7 +16,7 @@ use std::path::{Path, PathBuf};
 
 use typed_arena::Arena;
 use zokrates_common::Resolver;
-use zokrates_field::{Bn128Field, Field};
+use zokrates_field::{Bn128Field, Bw6_761Field, Field};
 
 #[derive(PartialEq, Debug)]
 pub struct Error {
@@ -106,8 +106,8 @@ impl Importer {
                     if T::id() != Bn128Field::id() {
                         return Err(CompileErrorInner::ImportError(
                             Error::new(format!(
-                                "Embed sha256round cannot be used with curve {}",
-                                T::name()
+                                "Embed `sha256round` must be used with curve `{}`",
+                                Bn128Field::name()
                             ))
                             .with_pos(Some(pos)),
                         )
@@ -121,10 +121,24 @@ impl Importer {
                     }
                 }
                 #[cfg(feature = "ark")]
-                "verify" => SymbolDeclaration {
-                    id: symbol.get_alias(),
-                    symbol: Symbol::Flat(FlatEmbed::Verify),
-                },
+                "snark_verify_bls12_377" => {
+                    if T::id() != Bw6_761Field::id() {
+                        return Err(CompileErrorInner::ImportError(
+                            Error::new(format!(
+                                "Embed `snark_verify_bls12_377` must be used with curve `{}`",
+                                Bw6_761Field::name()
+                            ))
+                            .with_pos(Some(pos)),
+                        )
+                        .in_file(location)
+                        .into());
+                    } else {
+                        SymbolDeclaration {
+                            id: symbol.get_alias(),
+                            symbol: Symbol::Flat(FlatEmbed::Verify),
+                        }
+                    }
+                }
                 "unpack" => SymbolDeclaration {
                     id: symbol.get_alias(),
                     symbol: Symbol::Flat(FlatEmbed::Unpack),

zokrates_core_test/tests/tests/snark/snark_verify_bls12_377_1.json

@@ -1,5 +1,5 @@
 {
-  "entry_point": "./tests/tests/verify/verify_1.zok",
+  "entry_point": "./tests/tests/snark/snark_verify_bls12_377_1.zok",
   "curves": ["Bw6_761"],
   "tests": [
     {

zokrates_core_test/tests/tests/snark/snark_verify_bls12_377_1.zok

@@ -1,5 +1,5 @@
-from "EMBED" import verify
+from "EMBED" import snark_verify_bls12_377
 
 def main(private field[1] inputs, private field[8] proof, private field[20] vk) -> bool:
-    bool result = verify(inputs, proof, vk)
+    bool result = snark_verify_bls12_377(inputs, proof, vk)
     return result

zokrates_core_test/tests/tests/snark/snark_verify_bls12_377_2.json

@@ -1,5 +1,5 @@
 {
-  "entry_point": "./tests/tests/verify/verify_2.zok",
+  "entry_point": "./tests/tests/snark/snark_verify_bls12_377_2.zok",
   "curves": ["Bw6_761"],
   "tests": [
     {

zokrates_core_test/tests/tests/snark/snark_verify_bls12_377_2.zok

@@ -1,5 +1,5 @@
-from "EMBED" import verify
+from "EMBED" import snark_verify_bls12_377
 
 def main(private field[2] inputs, private field[8] proof, private field[22] vk) -> bool:
-    bool result = verify(inputs, proof, vk)
+    bool result = snark_verify_bls12_377(inputs, proof, vk)
     return result

zokrates_core_test/tests/tests/snark/snark_verify_bls12_377_5.json

@@ -1,5 +1,5 @@
 {
-  "entry_point": "./tests/tests/verify/verify_5.zok",
+  "entry_point": "./tests/tests/snark/snark_verify_bls12_377_5.zok",
   "curves": ["Bw6_761"],
   "tests": [
     {

zokrates_core_test/tests/tests/snark/snark_verify_bls12_377_5.zok

@@ -1,5 +1,5 @@
-from "EMBED" import verify
+from "EMBED" import snark_verify_bls12_377
 
 def main(private field[5] inputs, private field[8] proof, private field[28] vk) -> bool:
-    bool result = verify(inputs, proof, vk)
+    bool result = snark_verify_bls12_377(inputs, proof, vk)
     return result