go-pulse/les/odr_test.go
Felix Lange be3865211c core/types: remove header accessors
These accessors were introduced by light client changes, but
the only method that is actually used is GetNumberU64. This
commit replaces all uses of .GetNumberU64 with .Number.Uint64.
2016-11-09 02:19:07 +01:00

223 lines
7.5 KiB
Go

package les
import (
"bytes"
"math/big"
"testing"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/light"
"github.com/ethereum/go-ethereum/rlp"
"golang.org/x/net/context"
)
type odrTestFn func(ctx context.Context, db ethdb.Database, config *core.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte
func TestOdrGetBlockLes1(t *testing.T) { testOdr(t, 1, 1, odrGetBlock) }
func odrGetBlock(ctx context.Context, db ethdb.Database, config *core.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
var block *types.Block
if bc != nil {
block = bc.GetBlockByHash(bhash)
} else {
block, _ = lc.GetBlockByHash(ctx, bhash)
}
if block == nil {
return nil
}
rlp, _ := rlp.EncodeToBytes(block)
return rlp
}
func TestOdrGetReceiptsLes1(t *testing.T) { testOdr(t, 1, 1, odrGetReceipts) }
func odrGetReceipts(ctx context.Context, db ethdb.Database, config *core.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
var receipts types.Receipts
if bc != nil {
receipts = core.GetBlockReceipts(db, bhash, core.GetBlockNumber(db, bhash))
} else {
receipts, _ = light.GetBlockReceipts(ctx, lc.Odr(), bhash, core.GetBlockNumber(db, bhash))
}
if receipts == nil {
return nil
}
rlp, _ := rlp.EncodeToBytes(receipts)
return rlp
}
func TestOdrAccountsLes1(t *testing.T) { testOdr(t, 1, 1, odrAccounts) }
func odrAccounts(ctx context.Context, db ethdb.Database, config *core.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
dummyAddr := common.HexToAddress("1234567812345678123456781234567812345678")
acc := []common.Address{testBankAddress, acc1Addr, acc2Addr, dummyAddr}
var res []byte
for _, addr := range acc {
if bc != nil {
header := bc.GetHeaderByHash(bhash)
st, err := state.New(header.Root, db)
if err == nil {
bal := st.GetBalance(addr)
rlp, _ := rlp.EncodeToBytes(bal)
res = append(res, rlp...)
}
} else {
header := lc.GetHeaderByHash(bhash)
st := light.NewLightState(light.StateTrieID(header), lc.Odr())
bal, err := st.GetBalance(ctx, addr)
if err == nil {
rlp, _ := rlp.EncodeToBytes(bal)
res = append(res, rlp...)
}
}
}
return res
}
func TestOdrContractCallLes1(t *testing.T) { testOdr(t, 1, 2, odrContractCall) }
// fullcallmsg is the message type used for call transations.
type fullcallmsg struct {
from *state.StateObject
to *common.Address
gas, gasPrice *big.Int
value *big.Int
data []byte
}
// accessor boilerplate to implement core.Message
func (m fullcallmsg) From() (common.Address, error) { return m.from.Address(), nil }
func (m fullcallmsg) FromFrontier() (common.Address, error) { return m.from.Address(), nil }
func (m fullcallmsg) Nonce() uint64 { return 0 }
func (m fullcallmsg) CheckNonce() bool { return false }
func (m fullcallmsg) To() *common.Address { return m.to }
func (m fullcallmsg) GasPrice() *big.Int { return m.gasPrice }
func (m fullcallmsg) Gas() *big.Int { return m.gas }
func (m fullcallmsg) Value() *big.Int { return m.value }
func (m fullcallmsg) Data() []byte { return m.data }
// callmsg is the message type used for call transations.
type lightcallmsg struct {
from *light.StateObject
to *common.Address
gas, gasPrice *big.Int
value *big.Int
data []byte
}
// accessor boilerplate to implement core.Message
func (m lightcallmsg) From() (common.Address, error) { return m.from.Address(), nil }
func (m lightcallmsg) FromFrontier() (common.Address, error) { return m.from.Address(), nil }
func (m lightcallmsg) Nonce() uint64 { return 0 }
func (m lightcallmsg) CheckNonce() bool { return false }
func (m lightcallmsg) To() *common.Address { return m.to }
func (m lightcallmsg) GasPrice() *big.Int { return m.gasPrice }
func (m lightcallmsg) Gas() *big.Int { return m.gas }
func (m lightcallmsg) Value() *big.Int { return m.value }
func (m lightcallmsg) Data() []byte { return m.data }
func odrContractCall(ctx context.Context, db ethdb.Database, config *core.ChainConfig, bc *core.BlockChain, lc *light.LightChain, bhash common.Hash) []byte {
data := common.Hex2Bytes("60CD26850000000000000000000000000000000000000000000000000000000000000000")
var res []byte
for i := 0; i < 3; i++ {
data[35] = byte(i)
if bc != nil {
header := bc.GetHeaderByHash(bhash)
statedb, err := state.New(header.Root, db)
if err == nil {
from := statedb.GetOrNewStateObject(testBankAddress)
from.SetBalance(common.MaxBig)
msg := fullcallmsg{
from: from,
gas: big.NewInt(100000),
gasPrice: big.NewInt(0),
value: big.NewInt(0),
data: data,
to: &testContractAddr,
}
vmenv := core.NewEnv(statedb, config, bc, msg, header, config.VmConfig)
gp := new(core.GasPool).AddGas(common.MaxBig)
ret, _, _ := core.ApplyMessage(vmenv, msg, gp)
res = append(res, ret...)
}
} else {
header := lc.GetHeaderByHash(bhash)
state := light.NewLightState(light.StateTrieID(header), lc.Odr())
from, err := state.GetOrNewStateObject(ctx, testBankAddress)
if err == nil {
from.SetBalance(common.MaxBig)
msg := lightcallmsg{
from: from,
gas: big.NewInt(100000),
gasPrice: big.NewInt(0),
value: big.NewInt(0),
data: data,
to: &testContractAddr,
}
vmenv := light.NewEnv(ctx, state, config, lc, msg, header, config.VmConfig)
gp := new(core.GasPool).AddGas(common.MaxBig)
ret, _, _ := core.ApplyMessage(vmenv, msg, gp)
if vmenv.Error() == nil {
res = append(res, ret...)
}
}
}
}
return res
}
func testOdr(t *testing.T, protocol int, expFail uint64, fn odrTestFn) {
// Assemble the test environment
pm, db, odr := newTestProtocolManagerMust(t, false, 4, testChainGen)
lpm, ldb, odr := newTestProtocolManagerMust(t, true, 0, nil)
_, err1, lpeer, err2 := newTestPeerPair("peer", protocol, pm, lpm)
select {
case <-time.After(time.Millisecond * 100):
case err := <-err1:
t.Fatalf("peer 1 handshake error: %v", err)
case err := <-err2:
t.Fatalf("peer 1 handshake error: %v", err)
}
lpm.synchronise(lpeer)
test := func(expFail uint64) {
for i := uint64(0); i <= pm.blockchain.CurrentHeader().Number.Uint64(); i++ {
bhash := core.GetCanonicalHash(db, i)
b1 := fn(light.NoOdr, db, pm.chainConfig, pm.blockchain.(*core.BlockChain), nil, bhash)
ctx, _ := context.WithTimeout(context.Background(), 200*time.Millisecond)
b2 := fn(ctx, ldb, lpm.chainConfig, nil, lpm.blockchain.(*light.LightChain), bhash)
eq := bytes.Equal(b1, b2)
exp := i < expFail
if exp && !eq {
t.Errorf("odr mismatch")
}
if !exp && eq {
t.Errorf("unexpected odr match")
}
}
}
// temporarily remove peer to test odr fails
odr.UnregisterPeer(lpeer)
// expect retrievals to fail (except genesis block) without a les peer
test(expFail)
odr.RegisterPeer(lpeer)
// expect all retrievals to pass
test(5)
odr.UnregisterPeer(lpeer)
// still expect all retrievals to pass, now data should be cached locally
test(5)
}