mirror of
https://github.com/vocdoni/arbo.git
synced 2026-01-08 21:37:57 -05:00
58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
package main
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import (
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"encoding/json"
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"math/big"
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"os"
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"testing"
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qt "github.com/frankban/quicktest"
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"github.com/vocdoni/arbo"
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"go.vocdoni.io/dvote/db"
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"go.vocdoni.io/dvote/db/pebbledb"
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)
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func TestGenerator(t *testing.T) {
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c := qt.New(t)
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database, err := pebbledb.New(db.Options{Path: c.TempDir()})
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c.Assert(err, qt.IsNil)
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tree, err := arbo.NewTree(arbo.Config{Database: database, MaxLevels: 4,
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HashFunction: arbo.HashFunctionPoseidon})
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c.Assert(err, qt.IsNil)
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testVector := [][]int64{
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{1, 11},
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{2, 22},
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{3, 33},
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{4, 44},
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}
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bLen := 1
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for i := 0; i < len(testVector); i++ {
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k := arbo.BigIntToBytes(bLen, big.NewInt(testVector[i][0]))
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v := arbo.BigIntToBytes(bLen, big.NewInt(testVector[i][1]))
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if err := tree.Add(k, v); err != nil {
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t.Fatal(err)
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}
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}
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// proof of existence
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k := arbo.BigIntToBytes(bLen, big.NewInt(int64(2)))
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cvp, err := tree.GenerateCircomVerifierProof(k)
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c.Assert(err, qt.IsNil)
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jCvp, err := json.Marshal(cvp)
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c.Assert(err, qt.IsNil)
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// store the data into a file that will be used at the circom test
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err = os.WriteFile("go-smt-verifier-inputs.json", jCvp, 0600)
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c.Assert(err, qt.IsNil)
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// proof of non-existence
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k = arbo.BigIntToBytes(bLen, big.NewInt(int64(5)))
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cvp, err = tree.GenerateCircomVerifierProof(k)
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c.Assert(err, qt.IsNil)
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jCvp, err = json.Marshal(cvp)
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c.Assert(err, qt.IsNil)
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// store the data into a file that will be used at the circom test
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err = os.WriteFile("go-smt-verifier-non-existence-inputs.json", jCvp, 0600)
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c.Assert(err, qt.IsNil)
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}
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