neo-go/pkg/compiler/verify_test.go

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package compiler_test
import (
"fmt"
"testing"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/stretchr/testify/require"
)
func TestVerifyGood(t *testing.T) {
msg := []byte("test message")
pub, sig := signMessage(t, msg)
src := getVerifyProg(pub, sig, msg)
eval(t, src, true)
}
func TestVerifyBad(t *testing.T) {
msg := []byte("test message")
pub, sig := signMessage(t, msg)
sig[0] = ^sig[0]
src := getVerifyProg(pub, sig, msg)
eval(t, src, false)
}
func signMessage(t *testing.T, msg []byte) ([]byte, []byte) {
key, err := keys.NewPrivateKey()
require.NoError(t, err)
sig := key.Sign(msg)
pub := key.PublicKey().Bytes()
return pub, sig
}
func getVerifyProg(pub, sig, msg []byte) string {
pubS := fmt.Sprintf("%#v", pub)
sigS := fmt.Sprintf("%#v", sig)
msgS := fmt.Sprintf("%#v", msg)
return `
package hello
import "github.com/nspcc-dev/neo-go/pkg/interop/crypto"
func Main() bool {
pub := ` + pubS + `
sig := ` + sigS + `
msg := ` + msgS + `
return crypto.VerifySignature(msg, sig, pub)
}
`
}