100 lines
3.6 KiB
Nim
100 lines
3.6 KiB
Nim
# Nimbus
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# Copyright (c) 2018 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import
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unittest2, ../nimbus/vm/precompiles, json, stew/byteutils, test_helpers, os, tables,
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strformat, strutils, eth/trie/db, eth/common, ../nimbus/db/db_chain,
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../nimbus/[vm_types, vm_state], ../nimbus/vm/computation, macros,
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../nimbus/vm/interpreter/vm_forks
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proc initAddress(i: byte): EthAddress = result[19] = i
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template doTest(fixture: JsonNode, fork: Fork, address: PrecompileAddresses): untyped =
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for test in fixture:
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let
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blockNum = 1.u256 # TODO: Check other forks
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header = BlockHeader(blockNumber: blockNum)
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expectedErr = test.hasKey("ExpectedError")
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expected = if test.hasKey("Expected"): hexToSeqByte(test["Expected"].getStr) else: @[]
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dataStr = test["Input"].getStr
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data = if dataStr.len > 0: dataStr.hexToSeqByte else: @[]
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vmState = newBaseVMState(header.stateRoot, header, newBaseChainDB(newMemoryDb()))
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gas = 1_000_000_000.GasInt
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gasPrice = 1.GasInt
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sender = initAddress(0x00)
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toAddress = initAddress(address.byte)
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gasCost = if test.hasKey("Gas"): test["Gas"].getInt else: -1
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vmState.setupTxContext(
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origin = sender,
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gasPrice = gasPrice
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)
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var
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message = Message(
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kind: evmcCall,
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gas: gas,
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sender: sender,
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contractAddress: toAddress,
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codeAddress: toAddress,
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value: 0.u256,
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data: data
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)
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comp = newComputation(vmState, message)
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let initialGas = comp.gasMeter.gasRemaining
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discard execPrecompiles(comp, fork)
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if expectedErr:
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check comp.isError
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else:
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let c = comp.output == expected
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if not c: echo "Output : " & comp.output.toHex & "\nExpected: " & expected.toHex
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check c
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if gasCost >= 0:
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let gasFee = initialGas - comp.gasMeter.gasRemaining
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if gasFee != gasCost:
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debugEcho "GAS: ", gasFee, " ", gasCost
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check gasFee == gasCost
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proc testFixture(fixtures: JsonNode, testStatusIMPL: var TestStatus) =
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let
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label = fixtures["func"].getStr
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fork = parseEnum[Fork](fixtures["fork"].getStr.toLowerAscii)
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data = fixtures["data"]
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case toLowerAscii(label)
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of "ecrecover": data.doTest(fork, paEcRecover)
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of "sha256" : data.doTest(fork, paSha256)
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of "ripemd" : data.doTest(fork, paRipeMd160)
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of "identity" : data.doTest(fork, paIdentity)
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#of "modexp" : data.doTest(fork, paModExp)
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of "bn256add" : data.doTest(fork, paEcAdd)
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of "bn256mul" : data.doTest(fork, paEcMul)
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of "ecpairing": data.doTest(fork, paPairing)
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of "blake2f" : data.doTest(fork, paBlake2bf)
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of "blsg1add" : data.doTest(fork, paBlsG1Add)
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of "blsg1mul" : data.doTest(fork, paBlsG1Mul)
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of "blsg1multiexp" : data.doTest(fork, paBlsG1MultiExp)
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of "blsg2add" : data.doTest(fork, paBlsG2Add)
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of "blsg2mul" : data.doTest(fork, paBlsG2Mul)
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of "blsg2multiexp": data.doTest(fork, paBlsG2MultiExp)
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of "blspairing": data.doTest(fork, paBlsPairing)
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of "blsmapg1": data.doTest(fork, paBlsMapG1)
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of "blsmapg2": data.doTest(fork, paBlsMapG2)
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else:
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echo "Unknown test vector '" & $label & "'"
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testStatusIMPL = SKIPPED
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proc precompilesMain*() =
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suite "Precompiles":
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jsonTest("PrecompileTests", testFixture)
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when isMainModule:
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precompilesMain()
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