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add live chain-aware tracing (single squashed commit) #5

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add live chain-aware tracing (single squashed commit) #5

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e4b96bb
add live chain-aware tracing (single squashed commit)
sduchesneau Aug 1, 2023
cb7348e
fix typo causing InsufficientFunds, tracer
sduchesneau Aug 3, 2023
ae20903
Native tracer updated work to fit with Firehose expectations
maoueh Aug 3, 2023
9e317c1
Firehose native geth tracer
maoueh Aug 3, 2023
87e46b3
fixes arbitrum: add OnBlockUpdate, fix call order
sduchesneau Aug 7, 2023
a97b3c2
fix missed call failure
sduchesneau Aug 8, 2023
039085b
debug: print revert stacktrace for firehose debugging
sduchesneau Aug 8, 2023
493e0a1
Revert "fix missed call failure"
sduchesneau Aug 8, 2023
dd45cef
fix missing calls in tracer
sduchesneau Aug 8, 2023
2e1fbf8
fh: add more context to CaptureTxEnd, skip failed transaction without…
sduchesneau Aug 8, 2023
a86aa5d
fix transaction type for arbitrum
sduchesneau Aug 11, 2023
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fix typo causing InsufficientFunds, tracer
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@sduchesneau
sduchesneau committed Aug 3, 2023
commit cb7348edf67e08832337de47db7d85438ca482a3
64 changes: 16 additions & 48 deletions core/vm/evm.go
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Original file line number Diff line number Diff line change
Expand Up @@ -189,46 +189,38 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
if evm.depth == 0 {
evm.Config.Tracer.CaptureStart(caller.Address(), addr, false, input, gas, value)
defer func(startGas uint64) { // Lazy evaluation of the parameters
evm.Config.Tracer.CaptureEnd(ret, startGas-gas, err)
evm.Config.Tracer.CaptureEnd(ret, startGas-leftOverGas, err)
}(gas)
} else {
// Handle tracer events for entering and exiting a call frame
evm.Config.Tracer.CaptureEnter(CALL, caller.Address(), addr, input, gas, value)
defer func(startGas uint64) {
evm.Config.Tracer.CaptureExit(ret, startGas-gas, err)
evm.Config.Tracer.CaptureExit(ret, startGas-leftOverGas, err)
}(gas)
}
}

// Fail if we're trying to execute above the call depth limit
if evm.depth > int(params.CallCreateDepth) {
return nil, gas, ErrDepth
}
// Fail if we're trying to transfer more than the available balance
if value.Sign() != 0 && !evm.Context.CanTransfer(evm.StateDB, caller.Address(), value) {
return nil, gas, ErrInsufficientBalance
}

snapshot := evm.StateDB.Snapshot()
p, isPrecompile := evm.precompile(addr)

if !evm.StateDB.Exist(addr) {
if !isPrecompile && evm.chainRules.IsEIP158 && value.Sign() == 0 {
// Calling a non existing account, don't do anything, but ping the tracer
if evm.Config.Debug {
if evm.depth == 0 {
evm.Config.Tracer.CaptureStart(caller.Address(), addr, false, input, gas, value)
evm.Config.Tracer.CaptureEnd(ret, 0, nil)
} else {
evm.Config.Tracer.CaptureEnter(CALL, caller.Address(), addr, input, gas, value)
evm.Config.Tracer.CaptureExit(ret, 0, nil)
}
}
// Calling a non existing account, don't do anything
return nil, gas, nil
}
evm.StateDB.CreateAccount(addr)
}
evm.Context.Transfer(evm.StateDB, caller.Address(), addr, value)

// Fail if we're trying to execute above the call depth limit
if evm.depth > int(params.CallCreateDepth) {
return nil, gas, ErrDepth
}
// Fail if we're trying to transfer more than the available balance
if value.Sign() != 0 && !evm.Context.CanTransfer(evm.StateDB, caller.Address(), value) {
return nil, gas, ErrInsufficientBalance
}

if isPrecompile {
info := &AdvancedPrecompileCall{
PrecompileAddress: addr,
Expand Down Expand Up @@ -282,7 +274,7 @@ func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte,
if evm.Config.Tracer != nil {
evm.Config.Tracer.CaptureEnter(CALLCODE, caller.Address(), addr, input, gas, value)
defer func(startGas uint64) {
evm.Config.Tracer.CaptureExit(ret, startGas-gas, err)
evm.Config.Tracer.CaptureExit(ret, startGas-leftOverGas, err)
}(gas)
}
// Fail if we're trying to execute above the call depth limit
Expand All @@ -298,14 +290,6 @@ func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte,
}
var snapshot = evm.StateDB.Snapshot()

// Invoke tracer hooks that signal entering/exiting a call frame
if evm.Config.Debug {
evm.Config.Tracer.CaptureEnter(CALLCODE, caller.Address(), addr, input, gas, value)
defer func(startGas uint64) {
evm.Config.Tracer.CaptureExit(ret, startGas-gas, err)
}(gas)
}

// It is allowed to call precompiles, even via delegatecall
if p, isPrecompile := evm.precompile(addr); isPrecompile {
info := &AdvancedPrecompileCall{
Expand Down Expand Up @@ -349,7 +333,7 @@ func (evm *EVM) DelegateCall(caller ContractRef, addr common.Address, input []by
// DELEGATECALL inherits value from parent call
evm.Config.Tracer.CaptureEnter(DELEGATECALL, caller.Address(), addr, input, gas, parent.value)
defer func(startGas uint64) {
evm.Config.Tracer.CaptureExit(ret, startGas-gas, err)
evm.Config.Tracer.CaptureExit(ret, startGas-leftOverGas, err)
}(gas)
}
// Fail if we're trying to execute above the call depth limit
Expand Down Expand Up @@ -396,7 +380,7 @@ func (evm *EVM) StaticCall(caller ContractRef, addr common.Address, input []byte
if evm.Config.Tracer != nil {
evm.Config.Tracer.CaptureEnter(STATICCALL, caller.Address(), addr, input, gas, nil)
defer func(startGas uint64) {
evm.Config.Tracer.CaptureExit(ret, startGas-gas, err)
evm.Config.Tracer.CaptureExit(ret, startGas-leftOverGas, err)
}(gas)
}
// Fail if we're trying to execute above the call depth limit
Expand All @@ -416,14 +400,6 @@ func (evm *EVM) StaticCall(caller ContractRef, addr common.Address, input []byte
// future scenarios
evm.StateDB.AddBalance(addr, big0, state.BalanceChangeTouchAccount)

// Invoke tracer hooks that signal entering/exiting a call frame
if evm.Config.Debug {
evm.Config.Tracer.CaptureEnter(STATICCALL, caller.Address(), addr, input, gas, nil)
defer func(startGas uint64) {
evm.Config.Tracer.CaptureExit(ret, startGas-gas, err)
}(gas)
}

if p, isPrecompile := evm.precompile(addr); isPrecompile {
info := &AdvancedPrecompileCall{
PrecompileAddress: addr,
Expand Down Expand Up @@ -521,14 +497,6 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
contract := NewContract(caller, AccountRef(address), value, gas)
contract.SetCodeOptionalHash(&address, codeAndHash)

if evm.Config.Debug {
if evm.depth == 0 {
evm.Config.Tracer.CaptureStart(caller.Address(), address, true, codeAndHash.code, gas, value)
} else {
evm.Config.Tracer.CaptureEnter(typ, caller.Address(), address, codeAndHash.code, gas, value)
}
}

ret, err = evm.interpreter.Run(contract, nil, false)

// Check whether the max code size has been exceeded, assign err if the case.
Expand Down