87 lines
3.2 KiB
Nim
87 lines
3.2 KiB
Nim
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import
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unittest, strformat, strutils, sequtils, tables, ttmath, json,
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helpers, constants, errors, logging,
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chain, vm_state, computation, opcode, utils / header, vm / [gas_meter, message, code_stream], vm / forks / frontier / vm, db / [db_chain, state_db], db / backends / memory_backend
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proc testFixture(fixture: JsonNode)
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suite "vm json tests":
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jsonTest("VMTests", testFixture)
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proc testFixture(fixture: JsonNode) =
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var vm = newFrontierVM(Header(), newBaseChainDB(newMemoryDB()))
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let header = Header(
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coinbase: fixture{"env"}{"currentCoinbase"}.getStr,
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difficulty: fixture{"env"}{"currentDifficulty"}.getInt.i256,
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blockNumber: fixture{"env"}{"currentNumber"}.getInt.i256,
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gasLimit: fixture{"env"}{"currentGasLimit"}.getInt.i256,
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timestamp: fixture{"env"}{"currentTimestamp"}.getInt)
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var code = ""
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vm.state.db(readOnly=false):
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setupStateDB(fixture{"pre"}, db)
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code = db.getCode(fixture{"exec"}{"address"}.getStr)
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let message = newMessage(
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to=fixture{"exec"}{"address"}.getStr,
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sender=fixture{"exec"}{"caller"}.getStr,
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value=fixture{"exec"}{"value"}.getInt.i256,
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data=fixture{"exec"}{"data"}.getStr.mapIt(it.byte),
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code=code,
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gas=fixture{"exec"}{"gas"}.getInt.i256,
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gasPrice=fixture{"exec"}{"gasPrice"}.getInt.i256,
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options=newMessageOptions(origin=fixture{"exec"}{"origin"}.getStr))
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let computation = newBaseComputation(vm.state, message).applyComputation(vm.state, message)
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if not fixture{"post"}.isNil:
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# Success checks
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check(not computation.isError)
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let logEntries = computation.getLogEntries()
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if not fixture{"logs"}.isNil:
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discard
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# TODO hashLogEntries let actualLogsHash = hashLogEntries(logEntries)
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# let expectedLogsHash = fixture{"logs"}.getStr
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# check(expectedLogsHash == actualLogsHash)
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elif logEntries.len > 0:
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checkpoint(&"Got log entries: {logEntries}")
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fail()
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let expectedOutput = fixture{"out"}.getStr
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check(computation.output == expectedOutput)
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let gasMeter = computation.gasMeter
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let expectedGasRemaining = fixture{"gas"}.getInt.i256
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let actualGasRemaining = gasMeter.gasRemaining
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let gasDelta = actualGasRemaining - expectedGasRemaining
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check(gasDelta == 0)
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let callCreatesJson = fixture{"callcreates"}
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var callCreates: seq[JsonNode] = @[]
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if not callCreatesJson.isNil:
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for next in callCreatesJson:
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callCreates.add(next)
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check(computation.children.len == callCreates.len)
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for child in zip(computation.children, callCreates):
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var (childComputation, createdCall) = child
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let toAddress = createdCall{"destination"}.getStr
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let data = createdCall{"data"}.getStr.mapIt(it.byte)
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let gasLimit = createdCall{"gasLimit"}.getInt.i256
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let value = createdCall{"value"}.getInt.i256
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check(childComputation.msg.to == toAddress)
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check(data == childComputation.msg.data or childComputation.msg.code.len > 0)
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check(gasLimit == childComputation.msg.gas)
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check(value == childComputation.msg.value)
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# TODO postState = fixture{"post"}
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else:
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# Error checks
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check(computation.isError)
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# TODO postState = fixture{"pre"}
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# TODO with vm.state.stateDb(readOnly=True) as stateDb:
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# verifyStateDb(postState, stateDb)
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