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compiler: check that safe methods exist

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If a method is missing from the manifest, it is most likely a typo
or regression after refactoring. There is no "turn-off" flag
for this error because we can do this precisely.

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgeniy Stratonikov 2021-10-06 15:18:57 +03:00
parent b4e24bef14
commit 0c01d89827
2 changed files with 19 additions and 0 deletions
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5
pkg/compiler/compiler.go
View file

@ -270,6 +270,11 @@ func CreateManifest(di *DebugInfo, o *Options) (*manifest.Manifest, error) {
if err != nil { if err != nil {
return m, fmt.Errorf("failed to convert debug info to manifest: %w", err) return m, fmt.Errorf("failed to convert debug info to manifest: %w", err)
} }
for _, name := range o.SafeMethods {
if m.ABI.GetMethod(name, -1) == nil {
return m, fmt.Errorf("method %s is marked as safe but missing from manifest", name)
}
}
if !o.NoStandardCheck { if !o.NoStandardCheck {
if err := standard.CheckABI(m, o.ContractSupportedStandards...); err != nil { if err := standard.CheckABI(m, o.ContractSupportedStandards...); err != nil {
return m, err return m, err

14
pkg/compiler/compiler_test.go
View file

@ -125,6 +125,20 @@ func TestOnPayableChecks(t *testing.T) {
}) })
} }
func TestSafeMethodWarnings(t *testing.T) {
src := `package payable
func Main() int { return 1 }`
_, di, err := compiler.CompileWithDebugInfo("eventTest", strings.NewReader(src))
require.NoError(t, err)
_, err = compiler.CreateManifest(di, &compiler.Options{SafeMethods: []string{"main"}})
require.NoError(t, err)
_, err = compiler.CreateManifest(di, &compiler.Options{SafeMethods: []string{"main", "mississippi"}})
require.Error(t, err)
}
func TestEventWarnings(t *testing.T) { func TestEventWarnings(t *testing.T) {
src := `package payable src := `package payable
import "github.com/nspcc-dev/neo-go/pkg/interop/runtime" import "github.com/nspcc-dev/neo-go/pkg/interop/runtime"