nimbus-eth1/tests/test_vm.nim

45 lines
1.6 KiB
Nim

# Nimbus
# Copyright (c) 2018 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
# at your option. This file may not be copied, modified, or distributed except according to those terms.
import
unittest, ttmath,
./test_helpers, ./fixtures,
../src/[db/backends/memory_backend, db/state_db, chain, constants, utils/hexadecimal, vm_state],
../src/[vm/base, computation]
import typetraits
suite "VM":
test "Apply transaction with no validation":
var
chain = chainWithoutBlockValidation()
vm = chain.getVM()
# txIdx = len(vm.`block`.transactions) # Can't take len of a runtime field
let
recipient = decodeHex("0xa94f5374fce5edbc8e2a8697c15331677e6ebf0c")
amount = 100.u256
ethaddr_from = chain.fundedAddress
tx = newTransaction(vm, ethaddr_from, recipient, amount, chain.fundedAddressPrivateKey)
# (computation, _) = vm.applyTransaction(tx)
# accessLogs = computation.vmState.accessLogs
# check(not computation.isError)
let
txGas = tx.gasPrice * constants.GAS_TX
state_db = vm.state.readOnlyStateDB
b = vm.`block`
echo state_db.getBalance(ethaddr_from).type.name
# check:
# state_db.getBalance(ethaddr_from) == chain.fundedAddressInitialBalance - amount - txGas # TODO: this really should be i256
# state_db.getBalance(recipient) == amount
# b.transactions[txIdx] == tx
# b.header.gasUsed == constants.GAS_TX