tree/smt Processor now uses poseidon.MultiHash

vocdoni · Dec 10, 2024 · 220afbf · 220afbf
1 parent 421cc1e
commit 220afbf
Showing 1 changed file with 11 additions and 3 deletions.
diff --git a/tree/smt/hash.go b/tree/smt/hash.go
@@ -3,17 +3,25 @@ package smt
 import (
 	"github.com/consensys/gnark/frontend"
 
-	"github.com/mdehoog/poseidon/circuits/poseidon"
+	"github.com/vocdoni/gnark-crypto-primitives/hash/bn254/poseidon"
 )
 
 // based on https://github.com/iden3/circomlib/blob/master/circuits/smt/smthash_poseidon.circom
 
 func Hash1(api frontend.API, key, value frontend.Variable) frontend.Variable {
 	inputs := []frontend.Variable{key, value, 1}
-	return poseidon.Hash(api, inputs)
+	hash, err := poseidon.MultiHash(api, inputs...)
+	if err != nil {
+		panic(err)
+	}
+	return hash
 }
 
 func Hash2(api frontend.API, l, r frontend.Variable) frontend.Variable {
 	inputs := []frontend.Variable{l, r}
-	return poseidon.Hash(api, inputs)
+	hash, err := poseidon.MultiHash(api, inputs...)
+	if err != nil {
+		panic(err)
+	}
+	return hash
 }