merge master

barretenberg/cpp/src/barretenberg/crypto/poseidon2/c_bind.cpp

@@ -47,3 +47,17 @@ WASM_EXPORT void poseidon2_permutation(fr::vec_in_buf inputs_buffer, fr::vec_out
     const std::vector<fr> results(results_array.begin(), results_array.end());
     *output = to_heap_buffer(results);
 }
+
+WASM_EXPORT void poseidon2_hash_accumulate(fr::vec_in_buf inputs_buffer, fr::out_buf output)
+{
+    std::vector<fr> to_hash;
+    read(inputs_buffer, to_hash);
+    const size_t numHashes = to_hash.size();
+    fr result = 0;
+    size_t count = 0;
+    while (count < numHashes) {
+        result = crypto::Poseidon2<crypto::Poseidon2Bn254ScalarFieldParams>::hash({ to_hash[count], result });
+        ++count;
+    }
+    write(output, result);
+}

barretenberg/ts/src/barretenberg_api/index.ts

@@ -704,6 +704,18 @@ export class BarretenbergApiSync {
     return out[0];
   }
 
+  poseidon2HashAccumulate(inputsBuffer: Fr[]): Fr {
+    const inArgs = [inputsBuffer].map(serializeBufferable);
+    const outTypes: OutputType[] = [Fr];
+    const result = this.wasm.callWasmExport(
+      'poseidon2_hash_accumulate',
+      inArgs,
+      outTypes.map(t => t.SIZE_IN_BYTES),
+    );
+    const out = result.map((r, i) => outTypes[i].fromBuffer(r));
+    return out[0];
+  }
+
   poseidon2Hashes(inputsBuffer: Fr[]): Fr {
     const inArgs = [inputsBuffer].map(serializeBufferable);
     const outTypes: OutputType[] = [Fr];

cspell.json

@@ -228,6 +228,7 @@
     "rollups",
     "rushstack",
     "sanitise",
+    "sanitised",
     "schnorr",
     "secp",
     "SEMRESATTRS",