diff --git a/cmd/clef/README.md b/cmd/clef/README.md index 3a43db8c9..cf0926513 100644 --- a/cmd/clef/README.md +++ b/cmd/clef/README.md @@ -916,7 +916,7 @@ There are a couple of implementation for a UI. We'll try to keep this list up to | Name | Repo | UI type| No external resources| Blocky support| Verifies permissions | Hash information | No secondary storage | Statically linked| Can modify parameters| | ---- | ---- | -------| ---- | ---- | ---- |---- | ---- | ---- | ---- | -| QtSigner| https://github.com/holiman/qtsigner/| Python3/QT-based| :+1:| :+1:| :+1:| :+1:| :+1:| :x: | :+1: (partially)| -| GtkSigner| https://github.com/holiman/gtksigner| Python3/GTK-based| :+1:| :x:| :x:| :+1:| :+1:| :x: | :x: | -| Frame | https://github.com/floating/frame/commits/go-signer| Electron-based| :x:| :x:| :x:| :x:| ?| :x: | :x: | -| Clef UI| https://github.com/ethereum/clef-ui| Golang/QT-based| :+1:| :+1:| :x:| :+1:| :+1:| :x: | :+1: (approve tx only)| +| QtSigner| https://github.com/holiman/qtsigner/ | Python3/QT-based| :+1:| :+1:| :+1:| :+1:| :+1:| :x: | :+1: (partially)| +| GtkSigner| https://github.com/holiman/gtksigner | Python3/GTK-based| :+1:| :x:| :x:| :+1:| :+1:| :x: | :x: | +| Frame | https://github.com/floating/frame/commits/go-signer | Electron-based| :x:| :x:| :x:| :x:| ?| :x: | :x: | +| Clef UI| https://github.com/ethereum/clef-ui | Golang/QT-based| :+1:| :+1:| :x:| :+1:| :+1:| :x: | :+1: (approve tx only)| diff --git a/core/txpool/blobpool/blobpool.go b/core/txpool/blobpool/blobpool.go index 276c2886e..3ed698c1b 100644 --- a/core/txpool/blobpool/blobpool.go +++ b/core/txpool/blobpool/blobpool.go @@ -402,7 +402,7 @@ func (p *BlobPool) Init(gasTip uint64, head *types.Header, reserve txpool.Addres } var ( basefee = uint256.MustFromBig(eip1559.CalcBaseFee(p.chain.Config(), p.head)) - blobfee = uint256.MustFromBig(big.NewInt(params.BlobTxMinBlobGasprice)) + blobfee = uint256.NewInt(params.BlobTxMinBlobGasprice) ) if p.head.ExcessBlobGas != nil { blobfee = uint256.MustFromBig(eip4844.CalcBlobFee(*p.head.ExcessBlobGas)) diff --git a/core/txpool/blobpool/blobpool_test.go b/core/txpool/blobpool/blobpool_test.go index be5833011..f7644c1d0 100644 --- a/core/txpool/blobpool/blobpool_test.go +++ b/core/txpool/blobpool/blobpool_test.go @@ -1228,6 +1228,24 @@ func TestAdd(t *testing.T) { }, }, }, + // Blob transactions that don't meet the min blob gas price should be rejected + { + seeds: map[string]seed{ + "alice": {balance: 10000000}, + }, + adds: []addtx{ + { // New account, no previous txs, nonce 0, but blob fee cap too low + from: "alice", + tx: makeUnsignedTx(0, 1, 1, 0), + err: txpool.ErrUnderpriced, + }, + { // Same as above but blob fee cap equals minimum, should be accepted + from: "alice", + tx: makeUnsignedTx(0, 1, 1, params.BlobTxMinBlobGasprice), + err: nil, + }, + }, + }, } for i, tt := range tests { // Create a temporary folder for the persistent backend diff --git a/core/txpool/blobpool/config.go b/core/txpool/blobpool/config.go index 99a2002a3..1d180739c 100644 --- a/core/txpool/blobpool/config.go +++ b/core/txpool/blobpool/config.go @@ -30,8 +30,8 @@ type Config struct { // DefaultConfig contains the default configurations for the transaction pool. var DefaultConfig = Config{ Datadir: "blobpool", - Datacap: 10 * 1024 * 1024 * 1024, - PriceBump: 100, // either have patience or be aggressive, no mushy ground + Datacap: 10 * 1024 * 1024 * 1024 / 4, // TODO(karalabe): /4 handicap for rollout, gradually bump back up to 10GB + PriceBump: 100, // either have patience or be aggressive, no mushy ground } // sanitize checks the provided user configurations and changes anything that's diff --git a/core/txpool/errors.go b/core/txpool/errors.go index 61daa999f..3a6a91397 100644 --- a/core/txpool/errors.go +++ b/core/txpool/errors.go @@ -54,4 +54,10 @@ var ( // ErrFutureReplacePending is returned if a future transaction replaces a pending // one. Future transactions should only be able to replace other future transactions. ErrFutureReplacePending = errors.New("future transaction tries to replace pending") + + // ErrAlreadyReserved is returned if the sender address has a pending transaction + // in a different subpool. For example, this error is returned in response to any + // input transaction of non-blob type when a blob transaction from this sender + // remains pending (and vice-versa). + ErrAlreadyReserved = errors.New("address already reserved") ) diff --git a/core/txpool/legacypool/journal.go b/core/txpool/legacypool/journal.go index f04ab8fc1..899ed00bc 100644 --- a/core/txpool/legacypool/journal.go +++ b/core/txpool/legacypool/journal.go @@ -164,7 +164,12 @@ func (journal *journal) rotate(all map[common.Address]types.Transactions) error return err } journal.writer = sink - log.Info("Regenerated local transaction journal", "transactions", journaled, "accounts", len(all)) + + logger := log.Info + if len(all) == 0 { + logger = log.Debug + } + logger("Regenerated local transaction journal", "transactions", journaled, "accounts", len(all)) return nil } diff --git a/core/txpool/txpool.go b/core/txpool/txpool.go index 8bf3e0a51..be7435247 100644 --- a/core/txpool/txpool.go +++ b/core/txpool/txpool.go @@ -122,7 +122,7 @@ func (p *TxPool) reserver(id int, subpool SubPool) AddressReserver { log.Error("pool attempted to reserve already-owned address", "address", addr) return nil // Ignore fault to give the pool a chance to recover while the bug gets fixed } - return errors.New("address already reserved") + return ErrAlreadyReserved } p.reservations[addr] = subpool if metrics.Enabled { diff --git a/core/txpool/validation.go b/core/txpool/validation.go index a9bd14020..8913859e8 100644 --- a/core/txpool/validation.go +++ b/core/txpool/validation.go @@ -30,6 +30,12 @@ import ( "github.com/ethereum/go-ethereum/params" ) +var ( + // blobTxMinBlobGasPrice is the big.Int version of the configured protocol + // parameter to avoid constucting a new big integer for every transaction. + blobTxMinBlobGasPrice = big.NewInt(params.BlobTxMinBlobGasprice) +) + // ValidationOptions define certain differences between transaction validation // across the different pools without having to duplicate those checks. type ValidationOptions struct { @@ -101,15 +107,17 @@ func ValidateTransaction(tx *types.Transaction, head *types.Header, signer types return err } if tx.Gas() < intrGas { - return fmt.Errorf("%w: needed %v, allowed %v", core.ErrIntrinsicGas, intrGas, tx.Gas()) + return fmt.Errorf("%w: gas %v, minimum needed %v", core.ErrIntrinsicGas, tx.Gas(), intrGas) } - // Ensure the gasprice is high enough to cover the requirement of the calling - // pool and/or block producer + // Ensure the gasprice is high enough to cover the requirement of the calling pool if tx.GasTipCapIntCmp(opts.MinTip) < 0 { - return fmt.Errorf("%w: tip needed %v, tip permitted %v", ErrUnderpriced, opts.MinTip, tx.GasTipCap()) + return fmt.Errorf("%w: gas tip cap %v, minimum needed %v", ErrUnderpriced, tx.GasTipCap(), opts.MinTip) } - // Ensure blob transactions have valid commitments if tx.Type() == types.BlobTxType { + // Ensure the blob fee cap satisfies the minimum blob gas price + if tx.BlobGasFeeCapIntCmp(blobTxMinBlobGasPrice) < 0 { + return fmt.Errorf("%w: blob fee cap %v, minimum needed %v", ErrUnderpriced, tx.BlobGasFeeCap(), blobTxMinBlobGasPrice) + } sidecar := tx.BlobTxSidecar() if sidecar == nil { return fmt.Errorf("missing sidecar in blob transaction") @@ -123,6 +131,7 @@ func ValidateTransaction(tx *types.Transaction, head *types.Header, signer types if len(hashes) > params.MaxBlobGasPerBlock/params.BlobTxBlobGasPerBlob { return fmt.Errorf("too many blobs in transaction: have %d, permitted %d", len(hashes), params.MaxBlobGasPerBlock/params.BlobTxBlobGasPerBlob) } + // Ensure commitments, proofs and hashes are valid if err := validateBlobSidecar(hashes, sidecar); err != nil { return err } diff --git a/eth/catalyst/api.go b/eth/catalyst/api.go index 44518612e..58566a47f 100644 --- a/eth/catalyst/api.go +++ b/eth/catalyst/api.go @@ -488,7 +488,7 @@ func (api *ConsensusAPI) NewPayloadV1(params engine.ExecutableData) (engine.Payl // NewPayloadV2 creates an Eth1 block, inserts it in the chain, and returns the status of the chain. func (api *ConsensusAPI) NewPayloadV2(params engine.ExecutableData) (engine.PayloadStatusV1, error) { if api.eth.BlockChain().Config().IsCancun(api.eth.BlockChain().Config().LondonBlock, params.Timestamp) { - return engine.PayloadStatusV1{Status: engine.INVALID}, engine.InvalidParams.With(errors.New("can't use new payload v2 post-shanghai")) + return engine.PayloadStatusV1{Status: engine.INVALID}, engine.InvalidParams.With(errors.New("can't use newPayloadV2 post-cancun")) } if api.eth.BlockChain().Config().LatestFork(params.Timestamp) == forks.Shanghai { if params.Withdrawals == nil { @@ -503,7 +503,7 @@ func (api *ConsensusAPI) NewPayloadV2(params engine.ExecutableData) (engine.Payl return engine.PayloadStatusV1{Status: engine.INVALID}, engine.InvalidParams.With(errors.New("non-nil excessBlobGas pre-cancun")) } if params.BlobGasUsed != nil { - return engine.PayloadStatusV1{Status: engine.INVALID}, engine.InvalidParams.With(errors.New("non-nil params.BlobGasUsed pre-cancun")) + return engine.PayloadStatusV1{Status: engine.INVALID}, engine.InvalidParams.With(errors.New("non-nil blobGasUsed pre-cancun")) } return api.newPayload(params, nil, nil) } @@ -517,14 +517,14 @@ func (api *ConsensusAPI) NewPayloadV3(params engine.ExecutableData, versionedHas return engine.PayloadStatusV1{Status: engine.INVALID}, engine.InvalidParams.With(errors.New("nil excessBlobGas post-cancun")) } if params.BlobGasUsed == nil { - return engine.PayloadStatusV1{Status: engine.INVALID}, engine.InvalidParams.With(errors.New("nil params.BlobGasUsed post-cancun")) + return engine.PayloadStatusV1{Status: engine.INVALID}, engine.InvalidParams.With(errors.New("nil blobGasUsed post-cancun")) } if versionedHashes == nil { return engine.PayloadStatusV1{Status: engine.INVALID}, engine.InvalidParams.With(errors.New("nil versionedHashes post-cancun")) } if beaconRoot == nil { - return engine.PayloadStatusV1{Status: engine.INVALID}, engine.InvalidParams.With(errors.New("nil parentBeaconBlockRoot post-cancun")) + return engine.PayloadStatusV1{Status: engine.INVALID}, engine.InvalidParams.With(errors.New("nil beaconRoot post-cancun")) } if api.eth.BlockChain().Config().LatestFork(params.Timestamp) != forks.Cancun { @@ -879,8 +879,7 @@ func getBody(block *types.Block) *engine.ExecutionPayloadBodyV1 { ) for j, tx := range body.Transactions { - data, _ := tx.MarshalBinary() - txs[j] = hexutil.Bytes(data) + txs[j], _ = tx.MarshalBinary() } // Post-shanghai withdrawals MUST be set to empty slice instead of nil diff --git a/eth/catalyst/api_test.go b/eth/catalyst/api_test.go index 9856118ea..cc1258ca5 100644 --- a/eth/catalyst/api_test.go +++ b/eth/catalyst/api_test.go @@ -262,11 +262,8 @@ func TestInvalidPayloadTimestamp(t *testing.T) { {0, true}, {parent.Time, true}, {parent.Time - 1, true}, - - // TODO (MariusVanDerWijden) following tests are currently broken, - // fixed in upcoming merge-kiln-v2 pr - //{parent.Time() + 1, false}, - //{uint64(time.Now().Unix()) + uint64(time.Minute), false}, + {parent.Time + 1, false}, + {uint64(time.Now().Unix()) + uint64(time.Minute), false}, } for i, test := range tests { diff --git a/eth/tracers/api.go b/eth/tracers/api.go index 4d4428f6c..683310820 100644 --- a/eth/tracers/api.go +++ b/eth/tracers/api.go @@ -919,7 +919,7 @@ func (api *API) TraceCall(ctx context.Context, args ethapi.TransactionArgs, bloc config.BlockOverrides.Apply(&vmctx) } // Execute the trace - msg, err := args.ToMessage(api.backend.RPCGasCap(), block.BaseFee()) + msg, err := args.ToMessage(api.backend.RPCGasCap(), vmctx.BaseFee) if err != nil { return nil, err } diff --git a/eth/tracers/native/call.go b/eth/tracers/native/call.go index f85cf6206..be9b58a4c 100644 --- a/eth/tracers/native/call.go +++ b/eth/tracers/native/call.go @@ -161,7 +161,7 @@ func (t *callTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, sco return } // Avoid processing nested calls when only caring about top call - if t.config.OnlyTopCall && depth > 0 { + if t.config.OnlyTopCall && depth > 1 { return } // Skip if tracing was interrupted diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go index e594154da..863849f4d 100644 --- a/internal/ethapi/api.go +++ b/internal/ethapi/api.go @@ -453,7 +453,7 @@ func (s *PersonalAccountAPI) signTransaction(ctx context.Context, args *Transact return nil, err } // Set some sanity defaults and terminate on failure - if err := args.setDefaults(ctx, s.b); err != nil { + if err := args.setDefaults(ctx, s.b, false); err != nil { return nil, err } // Assemble the transaction and sign with the wallet @@ -1093,14 +1093,14 @@ func doCall(ctx context.Context, b Backend, args TransactionArgs, state *state.S defer cancel() // Get a new instance of the EVM. - msg, err := args.ToMessage(globalGasCap, header.BaseFee) - if err != nil { - return nil, err - } blockCtx := core.NewEVMBlockContext(header, NewChainContext(ctx, b), nil) if blockOverrides != nil { blockOverrides.Apply(&blockCtx) } + msg, err := args.ToMessage(globalGasCap, blockCtx.BaseFee) + if err != nil { + return nil, err + } evm := b.GetEVM(ctx, msg, state, header, &vm.Config{NoBaseFee: true}, &blockCtx) // Wait for the context to be done and cancel the evm. Even if the @@ -1485,14 +1485,9 @@ func AccessList(ctx context.Context, b Backend, blockNrOrHash rpc.BlockNumberOrH if db == nil || err != nil { return nil, 0, nil, err } - // If the gas amount is not set, default to RPC gas cap. - if args.Gas == nil { - tmp := hexutil.Uint64(b.RPCGasCap()) - args.Gas = &tmp - } // Ensure any missing fields are filled, extract the recipient and input data - if err := args.setDefaults(ctx, b); err != nil { + if err := args.setDefaults(ctx, b, true); err != nil { return nil, 0, nil, err } var to common.Address @@ -1795,7 +1790,7 @@ func (s *TransactionAPI) SendTransaction(ctx context.Context, args TransactionAr } // Set some sanity defaults and terminate on failure - if err := args.setDefaults(ctx, s.b); err != nil { + if err := args.setDefaults(ctx, s.b, false); err != nil { return common.Hash{}, err } // Assemble the transaction and sign with the wallet @@ -1815,7 +1810,7 @@ func (s *TransactionAPI) FillTransaction(ctx context.Context, args TransactionAr args.blobSidecarAllowed = true // Set some sanity defaults and terminate on failure - if err := args.setDefaults(ctx, s.b); err != nil { + if err := args.setDefaults(ctx, s.b, false); err != nil { return nil, err } // Assemble the transaction and obtain rlp @@ -1884,7 +1879,7 @@ func (s *TransactionAPI) SignTransaction(ctx context.Context, args TransactionAr if args.Nonce == nil { return nil, errors.New("nonce not specified") } - if err := args.setDefaults(ctx, s.b); err != nil { + if err := args.setDefaults(ctx, s.b, false); err != nil { return nil, err } // Before actually sign the transaction, ensure the transaction fee is reasonable. @@ -1933,7 +1928,7 @@ func (s *TransactionAPI) Resend(ctx context.Context, sendArgs TransactionArgs, g if sendArgs.Nonce == nil { return common.Hash{}, errors.New("missing transaction nonce in transaction spec") } - if err := sendArgs.setDefaults(ctx, s.b); err != nil { + if err := sendArgs.setDefaults(ctx, s.b, false); err != nil { return common.Hash{}, err } matchTx := sendArgs.toTransaction() diff --git a/internal/ethapi/transaction_args.go b/internal/ethapi/transaction_args.go index d221c14db..bae1c6864 100644 --- a/internal/ethapi/transaction_args.go +++ b/internal/ethapi/transaction_args.go @@ -96,7 +96,7 @@ func (args *TransactionArgs) data() []byte { } // setDefaults fills in default values for unspecified tx fields. -func (args *TransactionArgs) setDefaults(ctx context.Context, b Backend) error { +func (args *TransactionArgs) setDefaults(ctx context.Context, b Backend, skipGasEstimation bool) error { if err := args.setBlobTxSidecar(ctx, b); err != nil { return err } @@ -136,30 +136,37 @@ func (args *TransactionArgs) setDefaults(ctx context.Context, b Backend) error { } } - // Estimate the gas usage if necessary. if args.Gas == nil { - // These fields are immutable during the estimation, safe to - // pass the pointer directly. - data := args.data() - callArgs := TransactionArgs{ - From: args.From, - To: args.To, - GasPrice: args.GasPrice, - MaxFeePerGas: args.MaxFeePerGas, - MaxPriorityFeePerGas: args.MaxPriorityFeePerGas, - Value: args.Value, - Data: (*hexutil.Bytes)(&data), - AccessList: args.AccessList, - BlobFeeCap: args.BlobFeeCap, - BlobHashes: args.BlobHashes, + if skipGasEstimation { // Skip gas usage estimation if a precise gas limit is not critical, e.g., in non-transaction calls. + gas := hexutil.Uint64(b.RPCGasCap()) + if gas == 0 { + gas = hexutil.Uint64(math.MaxUint64 / 2) + } + args.Gas = &gas + } else { // Estimate the gas usage otherwise. + // These fields are immutable during the estimation, safe to + // pass the pointer directly. + data := args.data() + callArgs := TransactionArgs{ + From: args.From, + To: args.To, + GasPrice: args.GasPrice, + MaxFeePerGas: args.MaxFeePerGas, + MaxPriorityFeePerGas: args.MaxPriorityFeePerGas, + Value: args.Value, + Data: (*hexutil.Bytes)(&data), + AccessList: args.AccessList, + BlobFeeCap: args.BlobFeeCap, + BlobHashes: args.BlobHashes, + } + latestBlockNr := rpc.BlockNumberOrHashWithNumber(rpc.LatestBlockNumber) + estimated, err := DoEstimateGas(ctx, b, callArgs, latestBlockNr, nil, b.RPCGasCap()) + if err != nil { + return err + } + args.Gas = &estimated + log.Trace("Estimate gas usage automatically", "gas", args.Gas) } - latestBlockNr := rpc.BlockNumberOrHashWithNumber(rpc.LatestBlockNumber) - estimated, err := DoEstimateGas(ctx, b, callArgs, latestBlockNr, nil, b.RPCGasCap()) - if err != nil { - return err - } - args.Gas = &estimated - log.Trace("Estimate gas usage automatically", "gas", args.Gas) } // If chain id is provided, ensure it matches the local chain id. Otherwise, set the local diff --git a/log/logger_test.go b/log/logger_test.go index a633f5ad7..ff981fd01 100644 --- a/log/logger_test.go +++ b/log/logger_test.go @@ -2,6 +2,7 @@ package log import ( "bytes" + "errors" "fmt" "io" "math/big" @@ -77,7 +78,7 @@ func benchmarkLogger(b *testing.B, l Logger) { tt = time.Now() bigint = big.NewInt(100) nilbig *big.Int - err = fmt.Errorf("Oh nooes it's crap") + err = errors.New("Oh nooes it's crap") ) b.ReportAllocs() b.ResetTimer() @@ -106,7 +107,7 @@ func TestLoggerOutput(t *testing.T) { tt = time.Time{} bigint = big.NewInt(100) nilbig *big.Int - err = fmt.Errorf("Oh nooes it's crap") + err = errors.New("Oh nooes it's crap") smallUint = uint256.NewInt(500_000) bigUint = &uint256.Int{0xff, 0xff, 0xff, 0xff} ) diff --git a/p2p/server.go b/p2p/server.go index 8f42765a8..975a3bb91 100644 --- a/p2p/server.go +++ b/p2p/server.go @@ -914,13 +914,13 @@ func (srv *Server) checkInboundConn(remoteIP net.IP) error { } // Reject connections that do not match NetRestrict. if srv.NetRestrict != nil && !srv.NetRestrict.Contains(remoteIP) { - return fmt.Errorf("not in netrestrict list") + return errors.New("not in netrestrict list") } // Reject Internet peers that try too often. now := srv.clock.Now() srv.inboundHistory.expire(now, nil) if !netutil.IsLAN(remoteIP) && srv.inboundHistory.contains(remoteIP.String()) { - return fmt.Errorf("too many attempts") + return errors.New("too many attempts") } srv.inboundHistory.add(remoteIP.String(), now.Add(inboundThrottleTime)) return nil diff --git a/p2p/transport.go b/p2p/transport.go index 4f6bb569b..5fc7686fe 100644 --- a/p2p/transport.go +++ b/p2p/transport.go @@ -19,6 +19,7 @@ package p2p import ( "bytes" "crypto/ecdsa" + "errors" "fmt" "io" "net" @@ -157,7 +158,7 @@ func readProtocolHandshake(rw MsgReader) (*protoHandshake, error) { return nil, err } if msg.Size > baseProtocolMaxMsgSize { - return nil, fmt.Errorf("message too big") + return nil, errors.New("message too big") } if msg.Code == discMsg { // Disconnect before protocol handshake is valid according to the diff --git a/params/version.go b/params/version.go index 19b22e029..09368cd9f 100644 --- a/params/version.go +++ b/params/version.go @@ -23,7 +23,7 @@ import ( const ( VersionMajor = 1 // Major version component of the current release VersionMinor = 13 // Minor version component of the current release - VersionPatch = 13 // Patch version component of the current release + VersionPatch = 14 // Patch version component of the current release VersionMeta = "stable" // Version metadata to append to the version string ) diff --git a/rpc/types.go b/rpc/types.go index f88c37c59..d12408178 100644 --- a/rpc/types.go +++ b/rpc/types.go @@ -19,6 +19,7 @@ package rpc import ( "context" "encoding/json" + "errors" "fmt" "math" "strings" @@ -104,7 +105,7 @@ func (bn *BlockNumber) UnmarshalJSON(data []byte) error { return err } if blckNum > math.MaxInt64 { - return fmt.Errorf("block number larger than int64") + return errors.New("block number larger than int64") } *bn = BlockNumber(blckNum) return nil @@ -154,7 +155,7 @@ func (bnh *BlockNumberOrHash) UnmarshalJSON(data []byte) error { err := json.Unmarshal(data, &e) if err == nil { if e.BlockNumber != nil && e.BlockHash != nil { - return fmt.Errorf("cannot specify both BlockHash and BlockNumber, choose one or the other") + return errors.New("cannot specify both BlockHash and BlockNumber, choose one or the other") } bnh.BlockNumber = e.BlockNumber bnh.BlockHash = e.BlockHash @@ -202,7 +203,7 @@ func (bnh *BlockNumberOrHash) UnmarshalJSON(data []byte) error { return err } if blckNum > math.MaxInt64 { - return fmt.Errorf("blocknumber too high") + return errors.New("blocknumber too high") } bn := BlockNumber(blckNum) bnh.BlockNumber = &bn