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package statedb
import (
"io/ioutil"
"os"
"testing"
ethCommon "github.com/ethereum/go-ethereum/common"
"github.com/hermeznetwork/hermez-node/common"
"github.com/hermeznetwork/tracerr"
"github.com/iden3/go-iden3-crypto/babyjub"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestGetIdx(t *testing.T) {
dir, err := ioutil.TempDir("", "tmpdb")
require.NoError(t, err)
defer assert.NoError(t, os.RemoveAll(dir))
sdb, err := NewStateDB(dir, 128, TypeTxSelector, 0)
assert.NoError(t, err)
var sk babyjub.PrivateKey
copy(sk[:], []byte("1234")) // only for testing
pk := sk.Public()
var sk2 babyjub.PrivateKey
copy(sk2[:], []byte("12345")) // only for testing
pk2 := sk2.Public()
addr := ethCommon.HexToAddress("0x74E803744B7EEFc272E852f89a05D41515d431f2")
addr2 := ethCommon.HexToAddress("0x54A0706531cEa2ee8F09bAd22f604e377bb56948")
idx := common.Idx(1234)
idx2 := common.Idx(12345)
idx3 := common.Idx(1233)
tokenID0 := common.TokenID(0)
tokenID1 := common.TokenID(1)
// store the keys for idx by Addr & BJJ
err = sdb.setIdxByEthAddrBJJ(idx, addr, pk.Compress(), tokenID0)
require.NoError(t, err)
idxR, err := sdb.GetIdxByEthAddrBJJ(addr, pk.Compress(), tokenID0)
assert.NoError(t, err)
assert.Equal(t, idx, idxR)
// expect error when getting only by EthAddr, as value does not exist
// in the db for only EthAddr
_, err = sdb.GetIdxByEthAddr(addr, tokenID0)
assert.NoError(t, err)
_, err = sdb.GetIdxByEthAddr(addr2, tokenID0)
assert.NotNil(t, err)
// expect error when getting by EthAddr and BJJ, but for another TokenID
_, err = sdb.GetIdxByEthAddrBJJ(addr, pk.Compress(), tokenID1)
assert.NotNil(t, err)
// expect to fail
idxR, err = sdb.GetIdxByEthAddrBJJ(addr2, pk.Compress(), tokenID0)
assert.NotNil(t, err)
assert.Equal(t, common.Idx(0), idxR)
idxR, err = sdb.GetIdxByEthAddrBJJ(addr, pk2.Compress(), tokenID0)
assert.NotNil(t, err)
assert.Equal(t, common.Idx(0), idxR)
// try to store bigger idx, will not affect as already exist a smaller
// Idx for that Addr & BJJ
err = sdb.setIdxByEthAddrBJJ(idx2, addr, pk.Compress(), tokenID0)
assert.NoError(t, err)
// store smaller idx
err = sdb.setIdxByEthAddrBJJ(idx3, addr, pk.Compress(), tokenID0)
assert.NoError(t, err)
idxR, err = sdb.GetIdxByEthAddrBJJ(addr, pk.Compress(), tokenID0)
assert.NoError(t, err)
assert.Equal(t, idx3, idxR)
// by EthAddr should work
idxR, err = sdb.GetIdxByEthAddr(addr, tokenID0)
assert.NoError(t, err)
assert.Equal(t, idx3, idxR)
// expect error when trying to get Idx by addr2 & pk2
idxR, err = sdb.GetIdxByEthAddrBJJ(addr2, pk2.Compress(), tokenID0)
assert.NotNil(t, err)
assert.Equal(t, ErrIdxNotFound, tracerr.Unwrap(err))
assert.Equal(t, common.Idx(0), idxR)
// expect error when trying to get Idx by addr with not used TokenID
_, err = sdb.GetIdxByEthAddr(addr, tokenID1)
assert.NotNil(t, err)
}