forked from TrueCloudLab/neoneo-go
91b36657d6
If variable is unnamed and does not contain function call then it's treated as unused and code generation may be omitted for it initialization/declaration.
57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
package compiler_test
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import (
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"fmt"
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/core/interop/interopnames"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// In this test, we only check that needed interop
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// is called with the provided arguments in the right order.
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func TestVerifyGood(t *testing.T) {
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msg := []byte("test message")
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pub, sig := signMessage(t, msg)
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src := getVerifyProg(pub, sig)
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v, p, _ := vmAndCompileInterop(t, src)
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p.interops[interopnames.ToID([]byte(interopnames.SystemCryptoCheckSig))] = func(v *vm.VM) error {
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assert.Equal(t, pub, v.Estack().Pop().Bytes())
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assert.Equal(t, sig, v.Estack().Pop().Bytes())
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v.Estack().PushVal(true)
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return nil
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}
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require.NoError(t, v.Run())
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}
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func signMessage(t *testing.T, msg []byte) ([]byte, []byte) {
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key, err := keys.NewPrivateKey()
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require.NoError(t, err)
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sig := key.Sign(msg)
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pub := key.PublicKey().Bytes()
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return pub, sig
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}
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func getVerifyProg(pub, sig []byte) string {
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pubS := fmt.Sprintf("%#v", pub)
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sigS := fmt.Sprintf("%#v", sig)
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return `
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package hello
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import "github.com/nspcc-dev/neo-go/pkg/interop/crypto"
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func Main() bool {
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pub := ` + pubS + `
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sig := ` + sigS + `
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return crypto.CheckSig(pub, sig)
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}
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`
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}
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