neo-go/pkg/core/native_gas_test.go

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package core
import (
"math/big"
"testing"
"github.com/nspcc-dev/neo-go/internal/random"
"github.com/nspcc-dev/neo-go/pkg/vm"
"github.com/nspcc-dev/neo-go/pkg/wallet"
"github.com/stretchr/testify/require"
)
func TestGAS_Refuel(t *testing.T) {
bc := newTestChain(t)
cs, _ := getTestContractState(bc)
require.NoError(t, bc.contracts.Management.PutContractState(bc.dao, cs))
const (
sysFee = 10_000000
burnFee = sysFee + 12345678
)
accs := []*wallet.Account{
newAccountWithGAS(t, bc),
newAccountWithGAS(t, bc),
}
t.Run("good, refuel from self", func(t *testing.T) {
before0 := bc.GetUtilityTokenBalance(accs[0].Contract.ScriptHash())
aer, err := invokeContractMethodGeneric(bc, sysFee, bc.contracts.GAS.Hash, "refuel",
accs[0], accs[0].Contract.ScriptHash(), int64(burnFee))
require.NoError(t, err)
require.Equal(t, vm.HaltState, aer.VMState)
after0 := bc.GetUtilityTokenBalance(accs[0].Contract.ScriptHash())
tx, _, _ := bc.GetTransaction(aer.Container)
require.Equal(t, before0, new(big.Int).Add(after0, big.NewInt(tx.SystemFee+tx.NetworkFee+burnFee)))
})
t.Run("good, refuel from other", func(t *testing.T) {
before0 := bc.GetUtilityTokenBalance(accs[0].Contract.ScriptHash())
before1 := bc.GetUtilityTokenBalance(accs[1].Contract.ScriptHash())
aer, err := invokeContractMethodGeneric(bc, sysFee, cs.Hash, "refuelGas",
accs, accs[1].Contract.ScriptHash(), int64(burnFee), int64(burnFee))
require.NoError(t, err)
require.Equal(t, vm.HaltState, aer.VMState)
after0 := bc.GetUtilityTokenBalance(accs[0].Contract.ScriptHash())
after1 := bc.GetUtilityTokenBalance(accs[1].Contract.ScriptHash())
tx, _, _ := bc.GetTransaction(aer.Container)
require.Equal(t, before0, new(big.Int).Add(after0, big.NewInt(tx.SystemFee+tx.NetworkFee)))
require.Equal(t, before1, new(big.Int).Add(after1, big.NewInt(burnFee)))
})
t.Run("bad, invalid witness", func(t *testing.T) {
aer, err := invokeContractMethodGeneric(bc, sysFee, cs.Hash, "refuelGas",
accs, random.Uint160(), int64(1), int64(1))
require.NoError(t, err)
require.Equal(t, vm.FaultState, aer.VMState)
})
t.Run("bad, invalid GAS amount", func(t *testing.T) {
aer, err := invokeContractMethodGeneric(bc, sysFee, cs.Hash, "refuelGas",
accs, accs[0].Contract.ScriptHash(), int64(0), int64(1))
require.NoError(t, err)
require.Equal(t, vm.FaultState, aer.VMState)
})
}