signHydraTransaction method
Implementation
SignedHydraTransaction signHydraTransaction(String txJson) {
final nativeTx = txJson.toNativeUtf8();
try {
final signedTx = DartApi.native.secpPrivateKey
.signHydraTx(_ffi, nativeTx)
.extract((resp) => resp.asString);
return SignedHydraTransaction(signedTx);
} finally {
calloc.free(nativeTx);
}
}