all: fix go vet warnings

9 files changed, 24 insertions, 26 deletions

diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go
index f50a71cf1..801181712 100644
--- a/eth/downloader/downloader.go
+++ b/eth/downloader/downloader.go
@@ -892,8 +892,7 @@ func (d *Downloader) fetchBlocks61(from uint64) error {
 					// case, the internal state of the downloader and the queue is very wrong so
 					// better hard crash and note the error instead of silently accumulating into
 					// a much bigger issue.
-					panic(fmt.Sprintf("%v: fetch assignment failed, hard panic", peer))
-					d.queue.CancelBlocks(request) // noop for now
+					panic(fmt.Sprintf("%v: fetch assignment failed", peer))
 				}
 			}
 			// Make sure that we have peers available for fetching. If all peers have been tried
@@ -1525,8 +1524,7 @@ func (d *Downloader) fetchParts(errCancel error, deliveryCh chan dataPack, deliv
 					// case, the internal state of the downloader and the queue is very wrong so
 					// better hard crash and note the error instead of silently accumulating into
 					// a much bigger issue.
-					panic(fmt.Sprintf("%v: %s fetch assignment failed, hard panic", peer, strings.ToLower(kind)))
-					cancel(request) // noop for now
+					panic(fmt.Sprintf("%v: %s fetch assignment failed", peer, strings.ToLower(kind)))
 				}
 				running = true
 			}
diff --git a/eth/downloader/queue.go b/eth/downloader/queue.go
index f86bae144..d8d1bddce 100644
--- a/eth/downloader/queue.go
+++ b/eth/downloader/queue.go
@@ -983,7 +983,7 @@ func (q *queue) DeliverNodeData(id string, data [][]byte, callback func(error, i
 			continue
 		}
 		// Inject the next state trie item into the processing queue
-		process = append(process, trie.SyncResult{hash, blob})
+		process = append(process, trie.SyncResult{Hash: hash, Data: blob})
 		accepted++
 
 		delete(request.Hashes, hash)
diff --git a/eth/filters/api.go b/eth/filters/api.go
index 54336aaf9..9e95ebd83 100644
--- a/eth/filters/api.go
+++ b/eth/filters/api.go
@@ -331,7 +331,7 @@ func (args *NewFilterArgs) UnmarshalJSON(data []byte) error {
 					if decAddr, err := hex.DecodeString(strAddr); err == nil {
 						addresses = append(addresses, common.BytesToAddress(decAddr))
 					} else {
-						fmt.Errorf("invalid address given")
+						return fmt.Errorf("invalid address given")
 					}
 				} else {
 					return fmt.Errorf("invalid address on index %d", i)
@@ -344,10 +344,10 @@ func (args *NewFilterArgs) UnmarshalJSON(data []byte) error {
 			if decAddr, err := hex.DecodeString(singleAddr); err == nil {
 				addresses = append(addresses, common.BytesToAddress(decAddr))
 			} else {
-				fmt.Errorf("invalid address given")
+				return fmt.Errorf("invalid address given")
 			}
 		} else {
-			errors.New("invalid address(es) given")
+			return errors.New("invalid address(es) given")
 		}
 		args.Addresses = addresses
 	}
@@ -394,7 +394,7 @@ func (args *NewFilterArgs) UnmarshalJSON(data []byte) error {
 								parsedTopics[i] = []common.Hash{t}
 							}
 						} else {
-							fmt.Errorf("topic[%d][%d] not a string", i, j)
+							return fmt.Errorf("topic[%d][%d] not a string", i, j)
 						}
 					}
 				} else {
diff --git a/eth/filters/filter_system_test.go b/eth/filters/filter_system_test.go
index 7757fb84e..72824cb08 100644
--- a/eth/filters/filter_system_test.go
+++ b/eth/filters/filter_system_test.go
@@ -76,8 +76,8 @@ func TestCallbacks(t *testing.T) {
 	mux.Post(core.ChainEvent{})
 	mux.Post(core.TxPreEvent{})
 	mux.Post(vm.Logs{&vm.Log{}})
-	mux.Post(core.RemovedLogsEvent{vm.Logs{&vm.Log{}}})
-	mux.Post(core.PendingLogsEvent{vm.Logs{&vm.Log{}}})
+	mux.Post(core.RemovedLogsEvent{Logs: vm.Logs{&vm.Log{}}})
+	mux.Post(core.PendingLogsEvent{Logs: vm.Logs{&vm.Log{}}})
 
 	const dura = 5 * time.Second
 	failTimer := time.NewTimer(dura)
diff --git a/eth/filters/filter_test.go b/eth/filters/filter_test.go
index 5954ea4c1..b0f88ffeb 100644
--- a/eth/filters/filter_test.go
+++ b/eth/filters/filter_test.go
@@ -56,7 +56,7 @@ func BenchmarkMipmaps(b *testing.B) {
 	)
 	defer db.Close()
 
-	genesis := core.WriteGenesisBlockForTesting(db, core.GenesisAccount{addr1, big.NewInt(1000000)})
+	genesis := core.WriteGenesisBlockForTesting(db, core.GenesisAccount{Address: addr1, Balance: big.NewInt(1000000)})
 	chain, receipts := core.GenerateChain(genesis, db, 100010, func(i int, gen *core.BlockGen) {
 		var receipts types.Receipts
 		switch i {
@@ -132,7 +132,7 @@ func TestFilters(t *testing.T) {
 	)
 	defer db.Close()
 
-	genesis := core.WriteGenesisBlockForTesting(db, core.GenesisAccount{addr, big.NewInt(1000000)})
+	genesis := core.WriteGenesisBlockForTesting(db, core.GenesisAccount{Address: addr, Balance: big.NewInt(1000000)})
 	chain, receipts := core.GenerateChain(genesis, db, 1000, func(i int, gen *core.BlockGen) {
 		var receipts types.Receipts
 		switch i {
diff --git a/eth/handler.go b/eth/handler.go
index 135de3749..d6b474a91 100644
--- a/eth/handler.go
+++ b/eth/handler.go
@@ -245,7 +245,6 @@ func (pm *ProtocolManager) handle(p *peer) error {
 			return err
 		}
 	}
-	return nil
 }
 
 // handleMsg is invoked whenever an inbound message is received from a remote
diff --git a/eth/handler_test.go b/eth/handler_test.go
index 76748b6e3..9e593f040 100644
--- a/eth/handler_test.go
+++ b/eth/handler_test.go
@@ -17,7 +17,6 @@
 package eth
 
 import (
-	"fmt"
 	"math/big"
 	"math/rand"
 	"testing"
@@ -448,12 +447,12 @@ func testGetNodeData(t *testing.T, protocol int) {
 		switch i {
 		case 0:
 			// In block 1, the test bank sends account #1 some ether.
-			tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(testBankKey)
+			tx, _ := types.NewTransaction(block.TxNonce(testBank.Address), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(testBankKey)
 			block.AddTx(tx)
 		case 1:
 			// In block 2, the test bank sends some more ether to account #1.
 			// acc1Addr passes it on to account #2.
-			tx1, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(testBankKey)
+			tx1, _ := types.NewTransaction(block.TxNonce(testBank.Address), acc1Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(testBankKey)
 			tx2, _ := types.NewTransaction(block.TxNonce(acc1Addr), acc2Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(acc1Key)
 			block.AddTx(tx1)
 			block.AddTx(tx2)
@@ -498,14 +497,14 @@ func testGetNodeData(t *testing.T, protocol int) {
 	// Verify that all hashes correspond to the requested data, and reconstruct a state tree
 	for i, want := range hashes {
 		if hash := crypto.Keccak256Hash(data[i]); hash != want {
-			fmt.Errorf("data hash mismatch: have %x, want %x", hash, want)
+			t.Errorf("data hash mismatch: have %x, want %x", hash, want)
 		}
 	}
 	statedb, _ := ethdb.NewMemDatabase()
 	for i := 0; i < len(data); i++ {
 		statedb.Put(hashes[i].Bytes(), data[i])
 	}
-	accounts := []common.Address{testBankAddress, acc1Addr, acc2Addr}
+	accounts := []common.Address{testBank.Address, acc1Addr, acc2Addr}
 	for i := uint64(0); i <= pm.blockchain.CurrentBlock().NumberU64(); i++ {
 		trie, _ := state.New(pm.blockchain.GetBlockByNumber(i).Root(), statedb)
 
@@ -539,12 +538,12 @@ func testGetReceipt(t *testing.T, protocol int) {
 		switch i {
 		case 0:
 			// In block 1, the test bank sends account #1 some ether.
-			tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(testBankKey)
+			tx, _ := types.NewTransaction(block.TxNonce(testBank.Address), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(testBankKey)
 			block.AddTx(tx)
 		case 1:
 			// In block 2, the test bank sends some more ether to account #1.
 			// acc1Addr passes it on to account #2.
-			tx1, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(testBankKey)
+			tx1, _ := types.NewTransaction(block.TxNonce(testBank.Address), acc1Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(testBankKey)
 			tx2, _ := types.NewTransaction(block.TxNonce(acc1Addr), acc2Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(acc1Key)
 			block.AddTx(tx1)
 			block.AddTx(tx2)
diff --git a/eth/helper_test.go b/eth/helper_test.go
index 575211a55..5703d44cc 100644
--- a/eth/helper_test.go
+++ b/eth/helper_test.go
@@ -37,9 +37,11 @@ import (
 )
 
 var (
-	testBankKey, _  = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
-	testBankAddress = crypto.PubkeyToAddress(testBankKey.PublicKey)
-	testBankFunds   = big.NewInt(1000000)
+	testBankKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
+	testBank       = core.GenesisAccount{
+		Address: crypto.PubkeyToAddress(testBankKey.PublicKey),
+		Balance: big.NewInt(1000000),
+	}
 )
 
 // newTestProtocolManager creates a new protocol manager for testing purposes,
@@ -50,7 +52,7 @@ func newTestProtocolManager(fastSync bool, blocks int, generator func(int, *core
 		evmux         = new(event.TypeMux)
 		pow           = new(core.FakePow)
 		db, _         = ethdb.NewMemDatabase()
-		genesis       = core.WriteGenesisBlockForTesting(db, core.GenesisAccount{testBankAddress, testBankFunds})
+		genesis       = core.WriteGenesisBlockForTesting(db, testBank)
 		chainConfig   = &core.ChainConfig{HomesteadBlock: big.NewInt(0)} // homestead set to 0 because of chain maker
 		blockchain, _ = core.NewBlockChain(db, chainConfig, pow, evmux)
 	)
diff --git a/eth/protocol_test.go b/eth/protocol_test.go
index cac3657e7..0a82e2e79 100644
--- a/eth/protocol_test.go
+++ b/eth/protocol_test.go
@@ -78,7 +78,7 @@ func testStatusMsgErrors(t *testing.T, protocol int) {
 		select {
 		case err := <-errc:
 			if err == nil {
-				t.Errorf("test %d: protocol returned nil error, want %q", test.wantError)
+				t.Errorf("test %d: protocol returned nil error, want %q", i, test.wantError)
 			} else if err.Error() != test.wantError.Error() {
 				t.Errorf("test %d: wrong error: got %q, want %q", i, err, test.wantError)
 			}