status-go/services/wallet/transfer/concurrent_test.go

146 lines
3.9 KiB
Go

package transfer
import (
"context"
"errors"
"math/big"
"sort"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/common"
)
func TestConcurrentErrorInterrupts(t *testing.T) {
concurrent := NewConcurrentDownloader(context.Background(), NoThreadLimit)
var interrupted bool
concurrent.Add(func(ctx context.Context) error {
select {
case <-ctx.Done():
interrupted = true
case <-time.After(10 * time.Second):
}
return nil
})
err := errors.New("interrupt")
concurrent.Add(func(ctx context.Context) error {
return err
})
concurrent.Wait()
require.True(t, interrupted)
require.Equal(t, err, concurrent.Error())
}
func TestConcurrentCollectsTransfers(t *testing.T) {
concurrent := NewConcurrentDownloader(context.Background(), NoThreadLimit)
concurrent.Add(func(context.Context) error {
concurrent.Push(Transfer{})
return nil
})
concurrent.Add(func(context.Context) error {
concurrent.Push(Transfer{})
return nil
})
concurrent.Wait()
require.Len(t, concurrent.Get(), 2)
}
type balancesFixture []*big.Int
func (f balancesFixture) BalanceAt(ctx context.Context, account common.Address, blockNumber *big.Int) (*big.Int, error) {
index := int(blockNumber.Int64())
if index > len(f)-1 {
return nil, errors.New("balance unknown")
}
return f[index], nil
}
func (f balancesFixture) NonceAt(ctx context.Context, account common.Address, blockNumber *big.Int) (uint64, error) {
return uint64(0), nil
}
func (f balancesFixture) HeaderByNumber(ctx context.Context, number *big.Int) (*types.Header, error) {
return &types.Header{
Number: number,
}, nil
}
func (f balancesFixture) HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error) {
return &types.Header{
Number: big.NewInt(0),
}, nil
}
type batchesFixture [][]Transfer
func (f batchesFixture) GetTransfersByNumber(ctx context.Context, number *big.Int) (rst []Transfer, err error) {
index := int(number.Int64())
if index > len(f)-1 {
return nil, errors.New("unknown block")
}
return f[index], nil
}
func TestConcurrentEthDownloader(t *testing.T) {
type options struct {
balances balancesFixture
batches batchesFixture
result []DBHeader
last *big.Int
}
type testCase struct {
desc string
options options
}
for _, tc := range []testCase{
{
desc: "NoBalances",
options: options{
last: big.NewInt(3),
balances: balancesFixture{big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0)},
},
},
{
desc: "LastBlock",
options: options{
last: big.NewInt(3),
balances: balancesFixture{big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(10)},
batches: batchesFixture{{}, {}, {}, {{BlockNumber: big.NewInt(3)}, {BlockNumber: big.NewInt(3)}}},
result: []DBHeader{{Number: big.NewInt(3)}},
},
},
{
desc: "ChangesInEveryBlock",
options: options{
last: big.NewInt(3),
balances: balancesFixture{big.NewInt(0), big.NewInt(3), big.NewInt(7), big.NewInt(10)},
batches: batchesFixture{{}, {{BlockNumber: big.NewInt(1)}}, {{BlockNumber: big.NewInt(2)}}, {{BlockNumber: big.NewInt(3)}}},
result: []DBHeader{{Number: big.NewInt(1)}, {Number: big.NewInt(2)}, {Number: big.NewInt(3)}},
},
},
} {
t.Run(tc.desc, func(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
concurrent := NewConcurrentDownloader(ctx, 0)
_, headers, _ := findBlocksWithEthTransfers(
ctx, tc.options.balances, newBalanceCache(), tc.options.batches,
common.Address{}, zero, tc.options.last, false)
concurrent.Wait()
require.NoError(t, concurrent.Error())
rst := concurrent.Get()
require.Len(t, headers, len(tc.options.result))
sort.Slice(rst, func(i, j int) bool {
return rst[i].BlockNumber.Cmp(rst[j].BlockNumber) < 0
})
/*for i := range rst {
require.Equal(t, tc.options.result[i].BlockNumber, rst[i].BlockNumber)
}*/
})
}
}