migrate sentio tracers

fix tracemany error format

migrate override and gas changes (0xPolygonHermez#53)

fix race condition in p2p discover tab

add more information to root trace

correct handle call with value

set transfer value to zero if can't transfer

migrate memory compression (0xPolygonHermez#7)

correctly handle tracecallmany didn't find block

correctly handle if transaction index out of bound

fix(rpc): eth_blockNumber returns unsynced block number

adjust after api change

Add Mapping keys to post account (0xPolygonHermez#9)

fix when tracer failed before start and zero gas (0xPolygonHermez#11)

more fix on tracecall many format error

fix txn index, block hash in context

distinguish code address by storage slot (0xPolygonHermez#12)

code address for mapping keys (0xPolygonHermez#13)

return gas price of execution

ignore init code size limit (0xPolygonHermez#15)

chore: revert format changes, and add mev config json (0xPolygonHermez#6)

add mev-infra service

api change

code address field (0xPolygonHermez#16)

emit output field for revert (0xPolygonHermez#18)

fix(mev): fix parent block nil panic (0xPolygonHermez#17)

chore(mev): improve histoical state response (0xPolygonHermez#19)

patch after merge

no block para

cmd/rpcdaemon/cli/config.go

@@ -73,6 +73,7 @@ import (
 	// Force-load native and js packages, to trigger registration
 	_ "github.com/ledgerwatch/erigon/eth/tracers/js"
 	_ "github.com/ledgerwatch/erigon/eth/tracers/native"
+	_ "github.com/ledgerwatch/erigon/eth/tracers/sentio"
 )
 
 var rootCmd = &cobra.Command{

core/state/intra_block_state.go

@@ -228,6 +228,10 @@ func (sdb *IntraBlockState) TxIndex() int {
 	return sdb.txIndex
 }
 
+func (sdb *IntraBlockState) BlockHash() libcommon.Hash {
+	return sdb.bhash
+}
+
 // DESCRIBED: docs/programmers_guide/guide.md#address---identifier-of-an-account
 func (sdb *IntraBlockState) GetCode(addr libcommon.Address) []byte {
 	stateObject := sdb.getStateObject(addr)
@@ -885,3 +889,10 @@ func (sdb *IntraBlockState) AddressInAccessList(addr libcommon.Address) bool {
 func (sdb *IntraBlockState) SlotInAccessList(addr libcommon.Address, slot libcommon.Hash) (addressPresent bool, slotPresent bool) {
 	return sdb.accessList.Contains(addr, slot)
 }
+
+func (sdb *IntraBlockState) SetCodeWithHashKnown(addr libcommon.Address, codeHash libcommon.Hash, code []byte) {
+	stateObject := sdb.GetOrNewStateObject(addr)
+	if stateObject != nil {
+		stateObject.SetCode(codeHash, code)
+	}
+}

core/state_transition.go

@@ -404,10 +404,12 @@ func (st *StateTransition) TransitionDb(refunds bool, gasBailout bool) (*Executi
 	if err != nil {
 		return nil, err
 	}
-	if st.gasRemaining < intrinsicGas {
-		return nil, fmt.Errorf("%w: have %d, want %d", ErrIntrinsicGas, st.gasRemaining, intrinsicGas)
+	if !st.evm.Config().IgnoreGas {
+		if st.gasRemaining < intrinsicGas {
+			return nil, fmt.Errorf("%w: have %d, want %d", ErrIntrinsicGas, st.gasRemaining, intrinsicGas)
+		}
+		st.gasRemaining -= intrinsicGas
 	}
-	st.gasRemaining -= intrinsicGas
 
 	var bailout bool
 	// Gas bailout (for trace_call) should only be applied if there is not sufficient balance to perform value transfer
@@ -418,7 +420,7 @@ func (st *StateTransition) TransitionDb(refunds bool, gasBailout bool) (*Executi
 	}
 
 	// Check whether the init code size has been exceeded.
-	if isEIP3860 && contractCreation && len(st.data) > params.MaxInitCodeSize {
+	if !st.evm.Config().IgnoreCodeSizeLimit && isEIP3860 && contractCreation && len(st.data) > params.MaxInitCodeSize {
 		return nil, fmt.Errorf("%w: code size %v limit %v", ErrMaxInitCodeSizeExceeded, len(st.data), params.MaxInitCodeSize)
 	}
 

core/vm/evm.go

@@ -372,6 +372,17 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gasRemainin
 	var gasConsumption uint64
 	depth := evm.interpreter.Depth()
 
+	if evm.config.CreateAddressOverride != nil {
+		address = *evm.config.CreateAddressOverride
+	}
+	if evm.config.CreationCodeOverrides != nil {
+		if code, ok := evm.config.CreationCodeOverrides[address]; ok {
+			codeAndHash.code = code
+			codeAndHash.hash = libcommon.Hash{}
+			_ = codeAndHash.Hash()
+		}
+	}
+
 	if evm.config.Debug {
 		if depth == 0 {
 			evm.config.Tracer.CaptureStart(evm, caller.Address(), address, false /* precompile */, true /* create */, codeAndHash.code, gasRemaining+intrinsicGas, value, nil)
@@ -421,6 +432,15 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gasRemainin
 		evm.intraBlockState.AddAddressToAccessList(address)
 	}
 
+	if evm.config.CreateAddressOverride == nil {
+		// Ensure there's no existing contract already at the designated address
+		contractHash := evm.intraBlockState.GetCodeHash(address)
+		if evm.intraBlockState.GetNonce(address) != 0 || (contractHash != (libcommon.Hash{}) && contractHash != emptyCodeHash) {
+			err = ErrContractAddressCollision
+			return nil, libcommon.Address{}, 0, err
+		}
+	}
+
 	// Create a new account on the state
 	snapshot := evm.intraBlockState.Snapshot()
 	evm.intraBlockState.CreateAccount(address, true)
@@ -441,7 +461,8 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gasRemainin
 	ret, err = run(evm, contract, nil, false)
 
 	// EIP-170: Contract code size limit
-	if err == nil && evm.chainRules.IsSpuriousDragon && len(ret) > params.MaxCodeSize {
+
+	if err == nil && !evm.config.IgnoreCodeSizeLimit && evm.chainRules.IsSpuriousDragon && len(ret) > params.MaxCodeSize {
 		// Gnosis Chain prior to Shanghai didn't have EIP-170 enabled,
 		// but EIP-3860 (part of Shanghai) requires EIP-170.
 		if !evm.chainRules.IsAura || evm.config.HasEip3860(evm.chainRules) {
@@ -459,6 +480,9 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gasRemainin
 	// by the error checking condition below.
 	if err == nil {
 		createDataGas := uint64(len(ret)) * params.CreateDataGas
+		if evm.config.IgnoreGas {
+			createDataGas = 0
+		}
 		if contract.UseGas(createDataGas) {
 			evm.intraBlockState.SetCode(address, ret)
 		} else if evm.chainRules.IsHomestead {

core/vm/instructions.go

@@ -646,7 +646,7 @@ func opCreate(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]b
 		input  = scope.Memory.GetCopy(int64(offset.Uint64()), int64(size.Uint64()))
 		gas    = scope.Contract.Gas
 	)
-	if interpreter.evm.ChainRules().IsTangerineWhistle {
+	if !interpreter.cfg.IgnoreGas && interpreter.evm.ChainRules().IsTangerineWhistle {
 		gas -= gas / 64
 	}
 	// reuse size int for stackvalue
@@ -690,7 +690,9 @@ func opCreate2(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]
 	)
 
 	// Apply EIP150
-	gas -= gas / 64
+	if !interpreter.cfg.IgnoreGas {
+		gas -= gas / 64
+	}
 	scope.Contract.UseGas(gas)
 	// reuse size int for stackvalue
 	stackValue := size

core/vm/interpreter.go

@@ -22,6 +22,7 @@ import (
 
 	"github.com/ledgerwatch/erigon-lib/chain"
 	libcommon "github.com/ledgerwatch/erigon-lib/common"
+	"github.com/ledgerwatch/erigon-lib/common/hexutility"
 	"github.com/ledgerwatch/erigon-lib/common/math"
 	"github.com/ledgerwatch/log/v3"
 
@@ -42,6 +43,11 @@ type Config struct {
 	RestoreState  bool      // Revert all changes made to the state (useful for constant system calls)
 
 	ExtraEips []int // Additional EIPS that are to be enabled
+
+	CreationCodeOverrides map[libcommon.Address]hexutility.Bytes
+	CreateAddressOverride *libcommon.Address
+	IgnoreGas             bool
+	IgnoreCodeSizeLimit   bool
 }
 
 func NewTraceVmConfig() Config {
@@ -179,6 +185,23 @@ func NewEVMInterpreter(evm *EVM, cfg Config) *EVMInterpreter {
 		}
 	}
 
+	if cfg.IgnoreGas {
+		jt = copyJumpTable(jt)
+		for i, op := range jt {
+			opCode := OpCode(i)
+			// retain call costs to prevent call stack from going too deep
+			// some contracts use a loop to burn gas
+			// if all codes in the loop have zero cost, it will run forever
+			if opCode == CALL || opCode == STATICCALL || opCode == CALLCODE || opCode == DELEGATECALL || opCode == GAS {
+				continue
+			}
+			op.constantGas = 0
+			op.dynamicGas = func(*EVM, *Contract, *stack.Stack, *Memory, uint64) (uint64, error) {
+				return 0, nil
+			}
+		}
+	}
+
 	return &EVMInterpreter{
 		VM: &VM{
 			evm: evm,

eth/tracers/api.go

@@ -3,7 +3,9 @@ package tracers
 import (
 	"encoding/json"
 
+	libcommon "github.com/ledgerwatch/erigon-lib/common"
 	"github.com/ledgerwatch/erigon-lib/common/hexutil"
+	"github.com/ledgerwatch/erigon-lib/common/hexutility"
 	"github.com/ledgerwatch/erigon/eth/tracers/logger"
 	"github.com/ledgerwatch/erigon/turbo/adapter/ethapi"
 )
@@ -18,6 +20,11 @@ type TraceConfig struct {
 	NoRefunds      *bool // Turns off gas refunds when tracing
 	StateOverrides *ethapi.StateOverrides
 
+	IgnoreGas             *bool
+	IgnoreCodeSizeLimit   *bool
+	CreationCodeOverrides map[libcommon.Address]hexutility.Bytes
+	CreateAddressOverride *libcommon.Address
+
 	BorTraceEnabled *bool
 	TxIndex         *hexutil.Uint
 }

eth/tracers/logger/json_stream.go

@@ -1,6 +1,7 @@
 package logger
 
 import (
+	"bytes"
 	"context"
 	"encoding/hex"
 	"sort"
@@ -31,6 +32,10 @@ type JsonStreamLogger struct {
 	output    []byte //nolint
 	err       error  //nolint
 	env       *vm.EVM
+
+	prevMem       [][]byte
+	prevMemWindow int
+	prevMemIdx    int
 }
 
 // NewStructLogger returns a new logger
@@ -43,6 +48,9 @@ func NewJsonStreamLogger(cfg *LogConfig, ctx context.Context, stream *jsoniter.S
 	}
 	if cfg != nil {
 		logger.cfg = *cfg
+		logger.prevMemWindow = cfg.MemoryCompressionWindow
+		logger.prevMemIdx = 0
+		logger.prevMem = make([][]byte, cfg.MemoryCompressionWindow)
 	}
 	return logger
 }
@@ -145,16 +153,43 @@ func (l *JsonStreamLogger) CaptureState(pc uint64, op vm.OpCode, gas, cost uint6
 	}
 	if !l.cfg.DisableMemory {
 		memData := memory.Data()
-		l.stream.WriteMore()
-		l.stream.WriteObjectField("memory")
-		l.stream.WriteArrayStart()
-		for i := 0; i+32 <= len(memData); i += 32 {
-			if i > 0 {
-				l.stream.WriteMore()
+		foundEq := false
+		if l.prevMemWindow > 0 {
+			i := l.prevMemIdx
+			for dist := 1; dist <= l.prevMemWindow; dist++ {
+				if i--; i < 0 {
+					i = l.prevMemWindow - 1
+				}
+				if len(l.prevMem[i]) == len(memData) && bytes.Equal(l.prevMem[i], memData) {
+					foundEq = true
+					l.stream.WriteMore()
+					l.stream.WriteObjectField("meq")
+					l.stream.WriteInt(dist)
+					break
+				}
+			}
+			if l.prevMemIdx++; l.prevMemIdx == l.prevMemWindow {
+				l.prevMemIdx = 0
+			}
+			if foundEq {
+				l.prevMem[l.prevMemIdx] = l.prevMem[i]
+			} else {
+				l.prevMem[l.prevMemIdx] = make([]byte, len(memData))
+				copy(l.prevMem[l.prevMemIdx], memData)
 			}
-			l.stream.WriteString(string(l.hexEncodeBuf[0:hex.Encode(l.hexEncodeBuf[:], memData[i:i+32])]))
 		}
-		l.stream.WriteArrayEnd()
+		if !foundEq {
+			l.stream.WriteMore()
+			l.stream.WriteObjectField("memory")
+			l.stream.WriteArrayStart()
+			for i := 0; i+32 <= len(memData); i += 32 {
+				if i > 0 {
+					l.stream.WriteMore()
+				}
+				l.stream.WriteString(string(l.hexEncodeBuf[0:hex.Encode(l.hexEncodeBuf[:], memData[i:i+32])]))
+			}
+			l.stream.WriteArrayEnd()
+		}
 	}
 	if outputStorage {
 		l.stream.WriteMore()

eth/tracers/logger/logger.go

@@ -43,6 +43,8 @@ type LogConfig struct {
 	DisableReturnData bool // disable return data capture
 	Debug             bool // print output during capture end
 	Limit             int  // maximum length of output, but zero means unlimited
+
+	MemoryCompressionWindow int
 	// Chain overrides, can be used to execute a trace using future fork rules
 	Overrides *chain.Config `json:"overrides,omitempty"`
 }