lotus/chain/vm/invoker_test.go

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2019-07-26 04:54:22 +00:00
package vm
import (
"fmt"
"io"
"testing"
cbor "github.com/ipfs/go-ipld-cbor"
"github.com/stretchr/testify/assert"
cbg "github.com/whyrusleeping/cbor-gen"
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"github.com/filecoin-project/go-state-types/exitcode"
"github.com/filecoin-project/lotus/chain/actors"
"github.com/filecoin-project/lotus/chain/actors/aerrors"
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"github.com/filecoin-project/specs-actors/actors/runtime"
"github.com/filecoin-project/specs-actors/actors/util/adt"
)
type basicContract struct{}
type basicParams struct {
B byte
}
func (b *basicParams) MarshalCBOR(w io.Writer) error {
_, err := w.Write(cbg.CborEncodeMajorType(cbg.MajUnsignedInt, uint64(b.B)))
return err
}
func (b *basicParams) UnmarshalCBOR(r io.Reader) error {
maj, val, err := cbg.CborReadHeader(r)
if err != nil {
return err
}
if maj != cbg.MajUnsignedInt {
return fmt.Errorf("bad cbor type")
}
b.B = byte(val)
return nil
}
func init() {
cbor.RegisterCborType(basicParams{})
}
func (b basicContract) Exports() []interface{} {
return []interface{}{
b.InvokeSomething0,
b.BadParam,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
b.InvokeSomething10,
}
}
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func (basicContract) InvokeSomething0(rt runtime.Runtime, params *basicParams) *adt.EmptyValue {
rt.Abortf(exitcode.ExitCode(params.B), "params.B")
return nil
}
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func (basicContract) BadParam(rt runtime.Runtime, params *basicParams) *adt.EmptyValue {
rt.Abortf(255, "bad params")
return nil
}
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func (basicContract) InvokeSomething10(rt runtime.Runtime, params *basicParams) *adt.EmptyValue {
rt.Abortf(exitcode.ExitCode(params.B+10), "params.B")
return nil
}
func TestInvokerBasic(t *testing.T) {
inv := Invoker{}
code, err := inv.transform(basicContract{})
assert.NoError(t, err)
{
bParam, err := actors.SerializeParams(&basicParams{B: 1})
assert.NoError(t, err)
_, aerr := code[0](&Runtime{}, bParam)
assert.Equal(t, exitcode.ExitCode(1), aerrors.RetCode(aerr), "return code should be 1")
if aerrors.IsFatal(aerr) {
t.Fatal("err should not be fatal")
}
}
{
bParam, err := actors.SerializeParams(&basicParams{B: 2})
assert.NoError(t, err)
_, aerr := code[10](&Runtime{}, bParam)
assert.Equal(t, exitcode.ExitCode(12), aerrors.RetCode(aerr), "return code should be 12")
if aerrors.IsFatal(aerr) {
t.Fatal("err should not be fatal")
}
}
_, aerr := code[1](&Runtime{}, []byte{99})
if aerrors.IsFatal(aerr) {
t.Fatal("err should not be fatal")
}
assert.Equal(t, exitcode.ExitCode(1), aerrors.RetCode(aerr), "return code should be 1")
}