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Fix tangerine whistle bugs #312

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Apr 15, 2019
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12 changes: 6 additions & 6 deletions GeneralStateTests.md
Original file line number Diff line number Diff line change
Expand Up @@ -406,7 +406,7 @@ OK: 23/30 Fail: 0/30 Skip: 7/30
+ CallLoseGasOOG.json OK
+ CallRecursiveBombPreCall.json OK
+ CallcodeLoseGasOOG.json OK
Delegatecall1024.json Skip
+ Delegatecall1024.json OK
+ Delegatecall1024OOG.json OK
+ callOutput1.json OK
+ callOutput2.json OK
Expand Down Expand Up @@ -435,7 +435,7 @@ OK: 23/30 Fail: 0/30 Skip: 7/30
+ delegatecodeDynamicCode.json OK
+ delegatecodeDynamicCode2SelfCall.json OK
```
OK: 33/34 Fail: 0/34 Skip: 1/34
OK: 34/34 Fail: 0/34 Skip: 0/34
## stEIP150Specific
```diff
+ CallAndCallcodeConsumeMoreGasThenTransactionHas.json OK
Expand Down Expand Up @@ -2017,8 +2017,8 @@ OK: 1/284 Fail: 0/284 Skip: 283/284
```diff
+ ABAcalls0.json OK
+ ABAcalls1.json OK
ABAcalls2.json Skip
ABAcalls3.json Skip
+ ABAcalls2.json OK
+ ABAcalls3.json OK
+ ABAcallsSuicide0.json OK
+ ABAcallsSuicide1.json OK
+ Call10.json OK
Expand Down Expand Up @@ -2083,7 +2083,7 @@ OK: 1/284 Fail: 0/284 Skip: 283/284
+ suicideSendEtherToMe.json OK
+ testRandomTest.json OK
```
OK: 61/67 Fail: 0/67 Skip: 6/67
OK: 63/67 Fail: 0/67 Skip: 4/67
## stTransactionTest
```diff
+ ContractStoreClearsOOG.json OK
Expand Down Expand Up @@ -2520,4 +2520,4 @@ OK: 5/133 Fail: 0/133 Skip: 128/133
OK: 0/130 Fail: 0/130 Skip: 130/130

---TOTAL---
OK: 1497/2334 Fail: 0/2334 Skip: 837/2334
OK: 1500/2334 Fail: 0/2334 Skip: 834/2334
9 changes: 5 additions & 4 deletions nimbus/vm/computation.nim
Original file line number Diff line number Diff line change
Expand Up @@ -154,10 +154,6 @@ proc writeContract*(computation: BaseComputation, fork: Fork): bool =
result = false

proc transferBalance(computation: BaseComputation, opCode: static[Op]) =
if computation.msg.depth > MaxCallDepth:
computation.setError(&"Stack depth limit reached depth={computation.msg.depth}")
return

let senderBalance = computation.vmState.readOnlyStateDb().
getBalance(computation.msg.sender)

Expand Down Expand Up @@ -193,6 +189,11 @@ proc postExecuteVM(computation: BaseComputation) =
proc executeOpcodes*(computation: BaseComputation) {.gcsafe.}

proc applyMessage*(computation: BaseComputation, opCode: static[Op]) =
if computation.msg.depth > MaxCallDepth:
computation.setError(&"Stack depth limit reached depth={computation.msg.depth}")
computation.nextProc()
return

computation.snapshot()
defer:
computation.dispose()
Expand Down
22 changes: 11 additions & 11 deletions nimbus/vm/interpreter/gas_costs.nim
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@
import
math, eth/common/eth_types,
./utils/[macros_gen_opcodes, utils_numeric],
./opcode_values, ./vm_forks
./opcode_values, ./vm_forks, ../../errors

# Gas Fee Schedule
# Yellow Paper Appendix G - https://ethereum.github.io/yellowpaper/paper.pdf
Expand Down Expand Up @@ -67,7 +67,7 @@ type
of Call, CallCode, DelegateCall, StaticCall:
c_isNewAccount*: bool
c_gasBalance*: GasInt
c_contractGas*: Gasint
c_contractGas*: Uint256
c_currentMemSize*: Natural
c_memOffset*: Natural
c_memLength*: Natural
Expand Down Expand Up @@ -325,16 +325,16 @@ template gasCosts(fork: Fork, prefix, ResultGasCostsName: untyped) =
# Cgascap
when fork >= FkTangerine:
# https://github.com/ethereum/EIPs/blob/master/EIPS/eip-150.md
result.gasRefund =
if gasParams.c_gasBalance >= result.gasCost:
min(
`prefix all_but_one_64th`(gasParams.c_gasBalance - result.gasCost),
gasParams.c_contractGas
)
else:
gasParams.c_contractGas
let gas = `prefix all_but_one_64th`(gasParams.c_gasBalance - result.gasCost)
if gasParams.c_contractGas > high(GasInt).u256 or
gas < gasParams.c_contractGas.truncate(GasInt):
result.gasRefund = gas
else:
result.gasRefund = gasParams.c_contractGas.truncate(GasInt)
else:
result.gasRefund += gasParams.c_contractGas
if gasParams.c_contractGas > high(GasInt).u256:
raise newException(TypeError, "GasInt Overflow (" & $gasParams.kind & ") " & $gasParams.c_contractGas)
result.gasRefund = gasParams.c_contractGas.truncate(GasInt)

result.gasCost += result.gasRefund

Expand Down
5 changes: 1 addition & 4 deletions nimbus/vm/interpreter/opcodes_impl.nim
Original file line number Diff line number Diff line change
Expand Up @@ -710,15 +710,12 @@ template genCall(callName: untyped, opCode: Op): untyped =
else:
(memOutPos, memOutLen)

if gas > high(GasInt).u256:
raise newException(TypeError, "GasInt Overflow (" & callNameStr & ")")

let (childGasFee, childGasLimit) = computation.gasCosts[opCode].c_handler(
value,
GasParams(kind: opCode,
c_isNewAccount: isNewAccount,
c_gasBalance: computation.gasMeter.gasRemaining,
c_contractGas: gas.truncate(GasInt),
c_contractGas: gas,
c_currentMemSize: computation.memory.len,
c_memOffset: memOffset,
c_memLength: memLength
Expand Down
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