Function ExVerifySignatureFunc

src/vm/luavm/lmylib.cpp:887–909

*bool SignatureVerify(void const* data, uint16_t datalen, void const* key, uint16_t keylen, void const* phash, uint16_t hashlen) * 这个函数式从中间层传了三个个参数过来: * 1.第一个是签名前的原始数据 * 2.第二个是签名的公钥(public key) * 3.第三是已签名的数据 * *{ * dataLen = 0, * data = {}, * pubKeyLen = 0, * pubKey = {}, * signatureLen = 0, * signature = {} * } */

 * }
 */
int32_t ExVerifySignatureFunc(lua_State *L) {
    vector<std::shared_ptr<vector<uint8_t> > > retdata;

    if (!GetDataTableVerifySignature(L, retdata) || retdata.size() != 3 || retdata.at(1).get()->size() != 33) {
        return RetFalse(string(__FUNCTION__) + "para  err !");
    }
    vector<uint8_t> &data = *retdata.at(0);
    vector<uint8_t> &pubKey = *retdata.at(1);
    vector<uint8_t> &signature = *retdata.at(2);

    LUA_BurnFuncData(L, FUEL_CALL_VerifySignature, data.size(), 32, FUEL_DATA32_VerifySignature, BURN_VER_R2);

    CPubKey pk(pubKey.begin(), pubKey.end());

    uint256 dataHash = Hash(data.begin(), data.end());

    bool rlt = VerifySignature(dataHash, signature, pk);
    if (!rlt) {
        LogPrint(BCLog::INFO, "ExVerifySignatureFunc call VerifySignature verify signature failed!\n");
    }

    return RetRstBooleanToLua(L, rlt);
}

int32_t ExGetTxContractFunc(lua_State *L) {
    vector<std::shared_ptr<vector<uint8_t>>> retdata;