fix libsecp256k1 VerifySignature() method.

This commit is contained in:
fiatjaf
2025-05-02 18:46:48 -03:00
parent b81a6382d9
commit 32360a4657

View File

@@ -27,22 +27,21 @@ import (
"crypto/rand" "crypto/rand"
"crypto/sha256" "crypto/sha256"
"errors" "errors"
"fmt"
"unsafe" "unsafe"
"github.com/btcsuite/btcd/btcec/v2/schnorr" "github.com/btcsuite/btcd/btcec/v2/schnorr"
) )
func (evt Event) CheckSignature() (bool, error) { func (evt Event) VerifySignature() bool {
msg := sha256.Sum256(evt.Serialize()) msg := sha256.Sum256(evt.Serialize())
var xonly C.secp256k1_xonly_pubkey var xonly C.secp256k1_xonly_pubkey
if C.secp256k1_xonly_pubkey_parse(globalSecp256k1Context, &xonly, (*C.uchar)(unsafe.Pointer(&evt.PubKey[0]))) != 1 { if C.secp256k1_xonly_pubkey_parse(globalSecp256k1Context, &xonly, (*C.uchar)(unsafe.Pointer(&evt.PubKey[0]))) != 1 {
return false, fmt.Errorf("failed to parse xonly pubkey") return false
} }
res := C.secp256k1_schnorrsig_verify(globalSecp256k1Context, (*C.uchar)(unsafe.Pointer(&evt.Sig[0])), (*C.uchar)(unsafe.Pointer(&msg[0])), 32, &xonly) res := C.secp256k1_schnorrsig_verify(globalSecp256k1Context, (*C.uchar)(unsafe.Pointer(&evt.Sig[0])), (*C.uchar)(unsafe.Pointer(&msg[0])), 32, &xonly)
return res == 1, nil return res == 1
} }
// Sign signs an event with a given privateKey. // Sign signs an event with a given privateKey.