/**
* Queries the server to determine if a username is available.
*/
tABC_CC ABC_LoginServerAvailable(const Lobby &lobby,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
HttpReply reply;
std::string url = ABC_SERVER_ROOT "/" ABC_SERVER_ACCOUNT_AVAILABLE;
ServerReplyJson replyJson;
std::string get;
AccountAvailableJson json;
// create the json
ABC_CHECK_NEW(json.authIdSet(base64Encode(lobby.authId())));
ABC_CHECK_NEW(json.encode(get));
// send the command
ABC_CHECK_NEW(AirbitzRequest().post(reply, url, get));
// decode the result
ABC_CHECK_NEW(replyJson.decode(reply.body));
ABC_CHECK_NEW(replyJson.ok());
exit:
return cc;
}
static
tABC_CC ABC_WalletServerRepoPost(const Lobby &lobby,
DataSlice LP1,
const std::string &szWalletAcctKey,
const char *szPath,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
const auto url = ABC_SERVER_ROOT "/" + std::string(szPath);
HttpReply reply;
ServerReplyJson replyJson;
JsonPtr json(json_pack("{ssssss}",
ABC_SERVER_JSON_L1_FIELD, base64Encode(lobby.authId()).c_str(),
ABC_SERVER_JSON_LP1_FIELD, base64Encode(LP1).c_str(),
ABC_SERVER_JSON_REPO_WALLET_FIELD, szWalletAcctKey.c_str()));
// send the command
ABC_CHECK_NEW(AirbitzRequest().post(reply, url, json.encode()));
ABC_CHECK_NEW(replyJson.decode(reply.body));
ABC_CHECK_NEW(replyJson.ok());
exit:
return cc;
}
/**
* Activate an account on the server.
*
* @param LP1 Password hash for the account
*/
tABC_CC ABC_LoginServerActivate(const Lobby &lobby,
tABC_U08Buf LP1,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
HttpReply reply;
std::string url = ABC_SERVER_ROOT "/" ABC_SERVER_ACCOUNT_ACTIVATE;
ServerReplyJson replyJson;
char *szPost = NULL;
json_t *pJSON_Root = NULL;
// create the post data
pJSON_Root = json_pack("{ssss}",
ABC_SERVER_JSON_L1_FIELD, base64Encode(lobby.authId()).c_str(),
ABC_SERVER_JSON_LP1_FIELD, base64Encode(LP1).c_str());
szPost = ABC_UtilStringFromJSONObject(pJSON_Root, JSON_COMPACT);
// send the command
ABC_CHECK_NEW(AirbitzRequest().post(reply, url, szPost));
// decode the result
ABC_CHECK_NEW(replyJson.decode(reply.body));
ABC_CHECK_NEW(replyJson.ok());
exit:
ABC_FREE_STR(szPost);
if (pJSON_Root) json_decref(pJSON_Root);
return cc;
}
/**
* Changes the password for an account on the server.
*
* This function sends information to the server to change the password for an account.
* Either the old LP1 or LRA1 can be used for authentication.
*
* @param oldLP1 Old password hash for the account (if this is empty, LRA1 is used instead)
* @param LRA1 LRA1 for the account (used if oldP1 is empty)
*/
tABC_CC ABC_LoginServerChangePassword(const Lobby &lobby,
tABC_U08Buf oldLP1,
tABC_U08Buf newLP1,
tABC_U08Buf newLRA1,
const CarePackage &carePackage,
const LoginPackage &loginPackage,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
HttpReply reply;
std::string url = ABC_SERVER_ROOT "/" ABC_SERVER_CHANGE_PASSWORD_PATH;
ServerReplyJson replyJson;
char *szPost = NULL;
std::string carePackageStr;
std::string loginPackageStr;
json_t *pJSON_OldLRA1 = NULL;
json_t *pJSON_NewLRA1 = NULL;
json_t *pJSON_Root = NULL;
ABC_CHECK_NULL_BUF(oldLP1);
ABC_CHECK_NULL_BUF(newLP1);
ABC_CHECK_NEW(carePackage.encode(carePackageStr));
ABC_CHECK_NEW(loginPackage.encode(loginPackageStr));
// Encode those:
pJSON_Root = json_pack("{ss, ss, ss, ss, ss}",
ABC_SERVER_JSON_L1_FIELD, base64Encode(lobby.authId()).c_str(),
ABC_SERVER_JSON_LP1_FIELD, base64Encode(oldLP1).c_str(),
ABC_SERVER_JSON_NEW_LP1_FIELD, base64Encode(newLP1).c_str(),
ABC_SERVER_JSON_CARE_PACKAGE_FIELD, carePackageStr.c_str(),
ABC_SERVER_JSON_LOGIN_PACKAGE_FIELD, loginPackageStr.c_str());
// set up the recovery, if any:
if (newLRA1.size())
{
pJSON_NewLRA1 = json_string(base64Encode(newLRA1).c_str());
json_object_set(pJSON_Root, ABC_SERVER_JSON_NEW_LRA1_FIELD, pJSON_NewLRA1);
}
// create the post data
szPost = ABC_UtilStringFromJSONObject(pJSON_Root, JSON_COMPACT);
// send the command
ABC_CHECK_NEW(AirbitzRequest().post(reply, url, szPost));
ABC_CHECK_NEW(replyJson.decode(reply.body));
ABC_CHECK_NEW(replyJson.ok());
exit:
ABC_FREE_STR(szPost);
if (pJSON_OldLRA1) json_decref(pJSON_OldLRA1);
if (pJSON_NewLRA1) json_decref(pJSON_NewLRA1);
if (pJSON_Root) json_decref(pJSON_Root);
return cc;
}
/**
* Uploads the pin package.
*
* @param LP1 Login + Password hash
* @param DID Device Id
* @param LPIN1 Hashed pin
* @param szPinPackage Pin package
* @param szAli auto-logout interval
*/
tABC_CC ABC_LoginServerUpdatePinPackage(const Lobby &lobby,
tABC_U08Buf LP1,
tABC_U08Buf DID,
tABC_U08Buf LPIN1,
const std::string &pinPackage,
time_t ali,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
HttpReply reply;
std::string url = ABC_SERVER_ROOT "/" ABC_SERVER_PIN_PACK_UPDATE_PATH;
ServerReplyJson replyJson;
char *szPost = NULL;
json_t *pJSON_Root = NULL;
char szALI[DATETIME_LENGTH];
ABC_CHECK_NULL_BUF(LP1);
ABC_CHECK_NULL_BUF(DID);
ABC_CHECK_NULL_BUF(LPIN1);
// format the ali
strftime(szALI, DATETIME_LENGTH, "%Y-%m-%dT%H:%M:%S", gmtime(&ali));
// Encode those:
pJSON_Root = json_pack("{ss, ss, ss, ss, ss, ss}",
ABC_SERVER_JSON_L1_FIELD, base64Encode(lobby.authId()).c_str(),
ABC_SERVER_JSON_LP1_FIELD, base64Encode(LP1).c_str(),
ABC_SERVER_JSON_DID_FIELD, base64Encode(DID).c_str(),
ABC_SERVER_JSON_LPIN1_FIELD, base64Encode(LPIN1).c_str(),
JSON_ACCT_PIN_PACKAGE, pinPackage.c_str(),
ABC_SERVER_JSON_ALI_FIELD, szALI);
// create the post data
szPost = ABC_UtilStringFromJSONObject(pJSON_Root, JSON_COMPACT);
// send the command
ABC_CHECK_NEW(AirbitzRequest().post(reply, url, szPost));
ABC_CHECK_NEW(replyJson.decode(reply.body));
ABC_CHECK_NEW(replyJson.ok());
exit:
ABC_FREE_STR(szPost);
if (pJSON_Root) json_decref(pJSON_Root);
return cc;
}
static
tABC_CC ABC_LoginPasswordDisk(std::shared_ptr<Login> &result,
std::shared_ptr<Lobby> lobby,
tABC_U08Buf LP,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
std::unique_ptr<Login> login;
tABC_CarePackage *pCarePackage = NULL;
tABC_LoginPackage *pLoginPackage = NULL;
AutoU08Buf LP2;
AutoU08Buf MK;
// Load the packages:
ABC_CHECK_RET(ABC_LoginDirLoadPackages(lobby->dir(), &pCarePackage, &pLoginPackage, pError));
// Decrypt MK:
ABC_CHECK_RET(ABC_CryptoScryptSNRP(LP, pCarePackage->pSNRP2, &LP2, pError));
ABC_CHECK_RET(ABC_CryptoDecryptJSONObject(pLoginPackage->EMK_LP2, LP2, &MK, pError));
// Decrypt SyncKey:
login.reset(new Login(lobby, static_cast<U08Buf>(MK)));
ABC_CHECK_NEW(login->init(pLoginPackage), pError);
result.reset(login.release());
exit:
ABC_CarePackageFree(pCarePackage);
ABC_LoginPackageFree(pLoginPackage);
return cc;
}
/**
* Modifies a previously created receive request.
* Note: the previous details will be free'ed so if the user is using the previous details for this request
* they should not assume they will be valid after this call.
*
* @param szRequestID ID of this request
* @param pDetails Pointer to transaction details
* @param pError A pointer to the location to store the error if there is one
*/
tABC_CC ABC_TxModifyReceiveRequest(Wallet &self,
const char *szRequestID,
tABC_TxDetails *pDetails,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
AutoCoreLock lock(gCoreMutex);
Address address;
ABC_CHECK_NEW(self.addresses.get(address, szRequestID));
address.metadata = pDetails;
ABC_CHECK_NEW(self.addresses.save(address));
exit:
return cc;
}
tABC_CC ABC_BridgeSweepKey(Wallet &self,
tABC_U08Buf key,
bool compressed,
tABC_Sweep_Done_Callback fCallback,
void *pData,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
bc::ec_secret ec_key;
bc::ec_point ec_addr;
bc::payment_address address;
PendingSweep sweep;
WatcherInfo *watcherInfo = nullptr;
ABC_CHECK_NEW(watcherFind(watcherInfo, self));
// Decode key and address:
ABC_CHECK_ASSERT(key.size() == ec_key.size(),
ABC_CC_Error, "Bad key size");
std::copy(key.begin(), key.end(), ec_key.data());
ec_addr = bc::secret_to_public_key(ec_key, compressed);
address.set(pubkeyVersion(), bc::bitcoin_short_hash(ec_addr));
// Start the sweep:
sweep.address = address;
sweep.key = abcd::wif_key{ec_key, compressed};
sweep.done = false;
sweep.fCallback = fCallback;
sweep.pData = pData;
watcherInfo->sweeping.push_back(sweep);
watcherInfo->watcher.watch_address(address);
exit:
return cc;
}
tABC_CC ABC_BridgeWatcherConnect(Wallet &self, tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
tABC_GeneralInfo *ppInfo = NULL;
const char *szServer = FALLBACK_OBELISK;
Watcher *watcher = nullptr;
ABC_CHECK_NEW(watcherFind(watcher, self));
// Pick a server:
if (isTestnet())
{
szServer = TESTNET_OBELISK;
}
else if (ABC_CC_Ok == ABC_GeneralGetInfo(&ppInfo, pError) &&
0 < ppInfo->countObeliskServers)
{
++gLastObelisk;
if (ppInfo->countObeliskServers <= gLastObelisk)
gLastObelisk = 0;
szServer = ppInfo->aszObeliskServers[gLastObelisk];
}
// Connect:
ABC_DebugLog("Wallet %s connecting to %s", self.id().c_str(), szServer);
watcher->connect(szServer);
exit:
ABC_GeneralFreeInfo(ppInfo);
return cc;
}
tABC_CC ABC_BridgePrioritizeAddress(Wallet &self,
const char *szAddress,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
bc::payment_address addr;
Watcher *watcher = nullptr;
ABC_CHECK_NEW(watcherFind(watcher, self));
if (szAddress)
{
if (!addr.set_encoded(szAddress))
{
cc = ABC_CC_Error;
ABC_DebugLog("Invalid szAddress %s\n", szAddress);
goto exit;
}
}
watcher->prioritize_address(addr);
exit:
return cc;
}
/**
* Filters a transaction list, removing any that aren't found in the
* watcher database.
* @param aTransactions The array to filter. This will be modified in-place.
* @param pCount The array length. This will be updated upon return.
*/
tABC_CC ABC_BridgeFilterTransactions(Wallet &self,
tABC_TxInfo **aTransactions,
unsigned int *pCount,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
tABC_TxInfo *const *end = aTransactions + *pCount;
tABC_TxInfo *const *si = aTransactions;
tABC_TxInfo **di = aTransactions;
Watcher *watcher = nullptr;
ABC_CHECK_NEW(watcherFind(watcher, self));
while (si < end)
{
tABC_TxInfo *pTx = *si++;
int height;
bc::hash_digest txid;
if (!bc::decode_hash(txid, pTx->szMalleableTxId))
ABC_RET_ERROR(ABC_CC_ParseError, "Bad txid");
if (watcher->get_tx_height(txid, height))
{
*di++ = pTx;
}
else
{
ABC_TxFreeTransaction(pTx);
}
}
*pCount = di - aTransactions;
exit:
return cc;
}
/**
* Marks the address as unusable and returns its metadata.
*
* @param ppDetails Metadata extracted from the address database
* @param paAddress Addresses that will be updated
* @param addressCount Number of address in paAddress
*/
tABC_CC ABC_TxTrashAddresses(Wallet &self,
tABC_TxDetails **ppDetails,
tABC_TxOutput **paAddresses,
unsigned int addressCount,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
*ppDetails = nullptr;
for (unsigned i = 0; i < addressCount; ++i)
{
if (paAddresses[i]->input)
continue;
Address address;
if (self.addresses.get(address, paAddresses[i]->szAddress))
{
// Update the transaction:
if (address.recyclable)
{
address.recyclable = false;
ABC_CHECK_NEW(self.addresses.save(address));
}
// Return our details:
ABC_TxDetailsFree(*ppDetails);
*ppDetails = address.metadata.toDetails();
}
}
exit:
return cc;
}
tABC_CC ABC_LoginServerGetPinPackage(tABC_U08Buf DID,
tABC_U08Buf LPIN1,
char **szPinPackage,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
HttpReply reply;
std::string url = ABC_SERVER_ROOT "/" ABC_SERVER_PIN_PACK_GET_PATH;
ServerReplyJson replyJson;
json_t *pJSON_Value = NULL;
json_t *pJSON_Root = NULL;
char *szPost = NULL;
ABC_CHECK_NULL_BUF(DID);
ABC_CHECK_NULL_BUF(LPIN1);
pJSON_Root = json_pack("{ss, ss}",
ABC_SERVER_JSON_DID_FIELD, base64Encode(DID).c_str(),
ABC_SERVER_JSON_LPIN1_FIELD, base64Encode(LPIN1).c_str());
szPost = ABC_UtilStringFromJSONObject(pJSON_Root, JSON_COMPACT);
// send the command
ABC_CHECK_NEW(AirbitzRequest().post(reply, url, szPost));
// Check the result
ABC_CHECK_NEW(replyJson.decode(reply.body));
ABC_CHECK_NEW(replyJson.ok());
// get the results field
pJSON_Value = replyJson.results().get();
ABC_CHECK_ASSERT((pJSON_Value && json_is_object(pJSON_Value)), ABC_CC_JSONError, "Error parsing server JSON pin package results");
// get the pin_package field
pJSON_Value = json_object_get(pJSON_Value, JSON_ACCT_PIN_PACKAGE);
ABC_CHECK_ASSERT((pJSON_Value && json_is_string(pJSON_Value)), ABC_CC_JSONError, "Error pin package JSON results");
// copy the value
ABC_STRDUP(*szPinPackage, json_string_value(pJSON_Value));
exit:
if (pJSON_Root) json_decref(pJSON_Root);
ABC_FREE_STR(szPost);
return cc;
}
/**
* Creates an account on the server.
*
* This function sends information to the server to create an account.
* If the account was created, ABC_CC_Ok is returned.
* If the account already exists, ABC_CC_AccountAlreadyExists is returned.
*
* @param LP1 Password hash for the account
*/
tABC_CC ABC_LoginServerCreate(const Lobby &lobby,
tABC_U08Buf LP1,
const CarePackage &carePackage,
const LoginPackage &loginPackage,
const char *szRepoAcctKey,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
HttpReply reply;
std::string url = ABC_SERVER_ROOT "/" ABC_SERVER_ACCOUNT_CREATE_PATH;
ServerReplyJson replyJson;
char *szPost = NULL;
std::string carePackageStr;
std::string loginPackageStr;
json_t *pJSON_Root = NULL;
ABC_CHECK_NULL_BUF(LP1);
ABC_CHECK_NEW(carePackage.encode(carePackageStr));
ABC_CHECK_NEW(loginPackage.encode(loginPackageStr));
// create the post data
pJSON_Root = json_pack("{ssssssssss}",
ABC_SERVER_JSON_L1_FIELD, base64Encode(lobby.authId()).c_str(),
ABC_SERVER_JSON_LP1_FIELD, base64Encode(LP1).c_str(),
ABC_SERVER_JSON_CARE_PACKAGE_FIELD, carePackageStr.c_str(),
ABC_SERVER_JSON_LOGIN_PACKAGE_FIELD, loginPackageStr.c_str(),
ABC_SERVER_JSON_REPO_FIELD, szRepoAcctKey);
szPost = ABC_UtilStringFromJSONObject(pJSON_Root, JSON_COMPACT);
// send the command
ABC_CHECK_NEW(AirbitzRequest().post(reply, url, szPost));
// decode the result
ABC_CHECK_NEW(replyJson.decode(reply.body));
ABC_CHECK_NEW(replyJson.ok());
exit:
ABC_FREE_STR(szPost);
if (pJSON_Root) json_decref(pJSON_Root);
return cc;
}
tABC_CC ABC_LoginServerOtpRequest(const char *szUrl,
const Lobby &lobby,
tABC_U08Buf LP1,
JsonPtr *results,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
HttpReply reply;
ServerReplyJson replyJson;
char *szPost = NULL;
json_t *pJSON_Root = NULL;
// create the post data
pJSON_Root = json_pack("{ss}",
ABC_SERVER_JSON_L1_FIELD, base64Encode(lobby.authId()).c_str());
// If there is a LP1 provided
if (LP1.data())
{
json_object_set_new(pJSON_Root, ABC_SERVER_JSON_LP1_FIELD,
json_string(base64Encode(LP1).c_str()));
}
{
auto key = lobby.otpKey();
if (key)
json_object_set_new(pJSON_Root, ABC_SERVER_JSON_OTP_FIELD, json_string(key->totp().c_str()));
}
json_object_set_new(pJSON_Root, ABC_SERVER_JSON_OTP_RESET_AUTH, json_string(gOtpResetAuth.c_str()));
szPost = ABC_UtilStringFromJSONObject(pJSON_Root, JSON_COMPACT);
// send the command
ABC_CHECK_NEW(AirbitzRequest().post(reply, szUrl, szPost));
ABC_CHECK_NEW(replyJson.decode(reply.body));
ABC_CHECK_NEW(replyJson.ok());
if (results)
*results = replyJson.results();
exit:
ABC_FREE_STR(szPost);
if (pJSON_Root) json_decref(pJSON_Root);
return cc;
}
tABC_CC ABC_BridgeWatcherLoop(Wallet &self,
tABC_BitCoin_Event_Callback fAsyncCallback,
void *pData,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
Watcher::block_height_callback heightCallback;
Watcher::tx_callback txCallback;
Watcher::tx_sent_callback sendCallback;
Watcher::quiet_callback on_quiet;
Watcher::fail_callback failCallback;
WatcherInfo *watcherInfo = nullptr;
ABC_CHECK_NEW(watcherFind(watcherInfo, self));
watcherInfo->fAsyncCallback = fAsyncCallback;
watcherInfo->pData = pData;
txCallback = [watcherInfo, fAsyncCallback, pData] (const libbitcoin::transaction_type& tx)
{
ABC_BridgeTxCallback(watcherInfo, tx, fAsyncCallback, pData);
};
watcherInfo->watcher.set_tx_callback(txCallback);
heightCallback = [watcherInfo, fAsyncCallback, pData](const size_t height)
{
if (fAsyncCallback)
{
tABC_AsyncBitCoinInfo info;
info.eventType = ABC_AsyncEventType_BlockHeightChange;
info.pData = pData;
info.szDescription = "Block height change";
fAsyncCallback(&info);
}
watcherSave(watcherInfo->wallet); // Failure is not fatal
};
watcherInfo->watcher.set_height_callback(heightCallback);
on_quiet = [watcherInfo]()
{
ABC_BridgeQuietCallback(watcherInfo);
};
watcherInfo->watcher.set_quiet_callback(on_quiet);
failCallback = [watcherInfo]()
{
tABC_Error error;
ABC_BridgeWatcherConnect(watcherInfo->wallet, &error);
};
watcherInfo->watcher.set_fail_callback(failCallback);
watcherInfo->watcher.loop();
exit:
return cc;
}
/**
* Enables 2 Factor authentication
*
* @param LP1 Password hash for the account
* @param timeout Amount of time needed for a reset to complete
*/
tABC_CC ABC_LoginServerOtpEnable(const Lobby &lobby,
tABC_U08Buf LP1,
const char *szOtpSecret,
const long timeout,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
HttpReply reply;
std::string url = ABC_SERVER_ROOT "/otp/on";
ServerReplyJson replyJson;
char *szPost = NULL;
json_t *pJSON_Root = NULL;
ABC_CHECK_NULL_BUF(LP1);
// create the post data
pJSON_Root = json_pack("{sssssssi}",
ABC_SERVER_JSON_L1_FIELD, base64Encode(lobby.authId()).c_str(),
ABC_SERVER_JSON_LP1_FIELD, base64Encode(LP1).c_str(),
ABC_SERVER_JSON_OTP_SECRET_FIELD, szOtpSecret,
ABC_SERVER_JSON_OTP_TIMEOUT, timeout);
{
auto key = lobby.otpKey();
if (key)
json_object_set_new(pJSON_Root, ABC_SERVER_JSON_OTP_FIELD, json_string(key->totp().c_str()));
}
szPost = ABC_UtilStringFromJSONObject(pJSON_Root, JSON_COMPACT);
// send the command
ABC_CHECK_NEW(AirbitzRequest().post(reply, url, szPost));
ABC_CHECK_NEW(replyJson.decode(reply.body));
ABC_CHECK_NEW(replyJson.ok());
exit:
ABC_FREE_STR(szPost);
if (pJSON_Root) json_decref(pJSON_Root);
return cc;
}
/**
* Sets the recycle status on an address as specified
*
* @param szAddress ID of the address
* @param pError A pointer to the location to store the error if there is one
*/
static
tABC_CC ABC_TxSetAddressRecycle(Wallet &self,
const char *szAddress,
bool bRecyclable,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
AutoCoreLock lock(gCoreMutex);
Address address;
ABC_CHECK_NEW(self.addresses.get(address, szAddress));
if (address.recyclable != bRecyclable)
{
address.recyclable = bRecyclable;
ABC_CHECK_NEW(self.addresses.save(address));
}
exit:
return cc;
}
/**
* Creates a receive request.
*
* @param szUserName UserName for the account associated with this request
* @param pDetails Pointer to transaction details
* @param pszRequestID Pointer to store allocated ID for this request
* @param pError A pointer to the location to store the error if there is one
*/
tABC_CC ABC_TxCreateReceiveRequest(Wallet &self,
tABC_TxDetails *pDetails,
char **pszRequestID,
bool bTransfer,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
Address address;
ABC_CHECK_NEW(self.addresses.getNew(address));
address.time = time(nullptr);
address.metadata = pDetails;
ABC_CHECK_NEW(self.addresses.save(address));
// set the id for the caller
*pszRequestID = stringCopy(address.address);
exit:
return cc;
}
tABC_CC ABC_BridgeWatcherDisconnect(Wallet &self, tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
Watcher *watcher = nullptr;
ABC_CHECK_NEW(watcherFind(watcher, self));
watcher->disconnect();
exit:
return cc;
}
/**
* Gets the bit coin public address for a specified request
*
* @param szRequestID ID of request
* @param pszAddress Location to store allocated address string (caller must free)
* @param pError A pointer to the location to store the error if there is one
*/
tABC_CC ABC_TxGetRequestAddress(Wallet &self,
const char *szRequestID,
char **pszAddress,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
Address address;
ABC_CHECK_NEW(self.addresses.get(address, szRequestID));
*pszAddress = stringCopy(address.address);
exit:
return cc;
}
static
tABC_CC ABC_WalletServerRepoPost(const Lobby &lobby,
tABC_U08Buf LP1,
const char *szWalletAcctKey,
const char *szPath,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
HttpReply reply;
std::string url = ABC_SERVER_ROOT "/" + std::string(szPath);
ServerReplyJson replyJson;
char *szPost = NULL;
json_t *pJSON_Root = NULL;
ABC_CHECK_NULL_BUF(LP1);
// create the post data
pJSON_Root = json_pack("{ssssss}",
ABC_SERVER_JSON_L1_FIELD, base64Encode(lobby.authId()).c_str(),
ABC_SERVER_JSON_LP1_FIELD, base64Encode(LP1).c_str(),
ABC_SERVER_JSON_REPO_WALLET_FIELD, szWalletAcctKey);
szPost = ABC_UtilStringFromJSONObject(pJSON_Root, JSON_COMPACT);
// send the command
ABC_CHECK_NEW(AirbitzRequest().post(reply, url, szPost));
ABC_CHECK_NEW(replyJson.decode(reply.body));
ABC_CHECK_NEW(replyJson.ok());
exit:
ABC_FREE_STR(szPost);
if (pJSON_Root) json_decref(pJSON_Root);
return cc;
}
tABC_CC
ABC_BridgeTxBlockHeight(Wallet &self, unsigned int *height, tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
Watcher *watcher = nullptr;
ABC_CHECK_NEW(watcherFind(watcher, self));
*height = watcher->get_last_block_height();
if (*height == 0)
{
cc = ABC_CC_Synchronizing;
}
exit:
return cc;
}
tABC_CC ABC_LoginServerGetCarePackage(const Lobby &lobby,
CarePackage &result,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
std::string url = ABC_SERVER_ROOT "/" ABC_SERVER_GET_CARE_PACKAGE_PATH;
char *szCarePackage = NULL;
ABC_CHECK_RET(ABC_LoginServerGetString(lobby, U08Buf(), U08Buf(), url.c_str(), JSON_ACCT_CARE_PACKAGE, &szCarePackage, pError));
ABC_CHECK_NEW(result.decode(szCarePackage));
exit:
ABC_FREE_STR(szCarePackage);
return cc;
}
static
tABC_CC ABC_LoginPasswordServer(std::shared_ptr<Login> &result,
std::shared_ptr<Lobby> lobby,
tABC_U08Buf LP,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
std::unique_ptr<Login> login;
tABC_CarePackage *pCarePackage = NULL;
tABC_LoginPackage *pLoginPackage = NULL;
tABC_U08Buf LRA1 = ABC_BUF_NULL; // Do not free
AutoU08Buf LP1;
AutoU08Buf LP2;
AutoU08Buf MK;
// Get the CarePackage:
ABC_CHECK_RET(ABC_LoginServerGetCarePackage(toU08Buf(lobby->authId()), &pCarePackage, pError));
// Get the LoginPackage:
ABC_CHECK_RET(ABC_CryptoScryptSNRP(LP, pCarePackage->pSNRP1, &LP1, pError));
ABC_CHECK_RET(ABC_LoginServerGetLoginPackage(toU08Buf(lobby->authId()), LP1, LRA1, &pLoginPackage, pError));
// Decrypt MK:
ABC_CHECK_RET(ABC_CryptoScryptSNRP(LP, pCarePackage->pSNRP2, &LP2, pError));
ABC_CHECK_RET(ABC_CryptoDecryptJSONObject(pLoginPackage->EMK_LP2, LP2, &MK, pError));
// Decrypt SyncKey:
login.reset(new Login(lobby, static_cast<U08Buf>(MK)));
ABC_CHECK_NEW(login->init(pLoginPackage), pError);
// Set up the on-disk login:
ABC_CHECK_RET(ABC_LoginDirSavePackages(lobby->dir(), pCarePackage, pLoginPackage, pError));
// Assign the result:
result.reset(login.release());
exit:
ABC_CarePackageFree(pCarePackage);
ABC_LoginPackageFree(pLoginPackage);
return cc;
}
tABC_CC
ABC_BridgeTxHeight(Wallet &self, const char *szTxId, unsigned int *height, tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
int height_;
bc::hash_digest txid;
Watcher *watcher = nullptr;
ABC_CHECK_NEW(watcherFind(watcher, self));
if (!bc::decode_hash(txid, szTxId))
ABC_RET_ERROR(ABC_CC_ParseError, "Bad txid");
if (!watcher->get_tx_height(txid, height_))
{
cc = ABC_CC_Synchronizing;
}
*height = height_;
exit:
return cc;
}
tABC_CC ABC_BridgeWatchAddr(Wallet &self,
const char *pubAddress,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
ABC_DebugLog("Watching %s for %s", pubAddress, self.id().c_str());
bc::payment_address addr;
WatcherInfo *watcherInfo = nullptr;
ABC_CHECK_NEW(watcherFind(watcherInfo, self));
if (!addr.set_encoded(pubAddress))
{
cc = ABC_CC_Error;
ABC_DebugLog("Invalid pubAddress %s\n", pubAddress);
goto exit;
}
watcherInfo->addresses.insert(pubAddress);
watcherInfo->watcher.watch_address(addr);
exit:
return cc;
}
static
tABC_CC ABC_BridgeDoSweep(WatcherInfo *watcherInfo,
PendingSweep& sweep,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
char *szID = NULL;
char *szAddress = NULL;
uint64_t funds = 0;
abcd::unsigned_transaction utx;
bc::transaction_output_type output;
abcd::key_table keys;
std::string malTxId, txId;
// Find utxos for this address:
auto utxos = watcherInfo->watcher.get_utxos(sweep.address);
// Bail out if there are no funds to sweep:
if (!utxos.size())
{
// Tell the GUI if there were funds in the past:
if (watcherInfo->watcher.db().has_history(sweep.address))
{
if (sweep.fCallback)
{
sweep.fCallback(ABC_CC_Ok, NULL, 0);
}
else
{
if (watcherInfo->fAsyncCallback)
{
tABC_AsyncBitCoinInfo info;
info.eventType = ABC_AsyncEventType_IncomingSweep;
info.sweepSatoshi = 0;
info.szTxID = NULL;
watcherInfo->fAsyncCallback(&info);
}
}
sweep.done = true;
}
return ABC_CC_Ok;
}
// There are some utxos, so send them to ourselves:
tABC_TxDetails details;
memset(&details, 0, sizeof(tABC_TxDetails));
details.amountSatoshi = 0;
details.amountCurrency = 0;
details.amountFeesAirbitzSatoshi = 0;
details.amountFeesMinersSatoshi = 0;
details.szName = const_cast<char*>("");
details.szCategory = const_cast<char*>("");
details.szNotes = const_cast<char*>("");
details.attributes = 0x2;
// Create a new receive request:
ABC_CHECK_RET(ABC_TxCreateReceiveRequest(watcherInfo->wallet,
&details, &szID, false, pError));
ABC_CHECK_RET(ABC_TxGetRequestAddress(watcherInfo->wallet, szID,
&szAddress, pError));
// Build a transaction:
utx.tx.version = 1;
utx.tx.locktime = 0;
for (auto &utxo : utxos)
{
bc::transaction_input_type input;
input.sequence = 0xffffffff;
input.previous_output = utxo.point;
funds += utxo.value;
utx.tx.inputs.push_back(input);
}
if (10000 < funds)
funds -= 10000; // Ugh, hard-coded mining fee
ABC_CHECK_ASSERT(!outputIsDust(funds), ABC_CC_InsufficientFunds, "Not enough funds");
output.value = funds;
ABC_CHECK_NEW(outputScriptForAddress(output.script, szAddress));
utx.tx.outputs.push_back(output);
// Now sign that:
keys[sweep.address] = sweep.key;
ABC_CHECK_SYS(abcd::gather_challenges(utx, watcherInfo->watcher), "gather_challenges");
ABC_CHECK_SYS(abcd::sign_tx(utx, keys), "sign_tx");
// Send:
{
bc::data_chunk raw_tx(satoshi_raw_size(utx.tx));
bc::satoshi_save(utx.tx, raw_tx.begin());
ABC_CHECK_NEW(broadcastTx(raw_tx));
}
// Save the transaction in the database:
malTxId = bc::encode_hash(bc::hash_transaction(utx.tx));
txId = ABC_BridgeNonMalleableTxId(utx.tx);
ABC_CHECK_RET(ABC_TxSweepSaveTransaction(watcherInfo->wallet,
txId.c_str(), malTxId.c_str(), funds, &details, pError));
// Done:
if (sweep.fCallback)
{
sweep.fCallback(ABC_CC_Ok, txId.c_str(), output.value);
}
else
{
if (watcherInfo->fAsyncCallback)
{
tABC_AsyncBitCoinInfo info;
info.eventType = ABC_AsyncEventType_IncomingSweep;
info.sweepSatoshi = output.value;
info.szTxID = stringCopy(txId);
watcherInfo->fAsyncCallback(&info);
ABC_FREE_STR(info.szTxID);
}
}
sweep.done = true;
watcherInfo->watcher.send_tx(utx.tx);
exit:
ABC_FREE_STR(szID);
ABC_FREE_STR(szAddress);
return cc;
}
tABC_CC ABC_BridgeTxDetailsSplit(Wallet &self, const char *szTxID,
tABC_TxOutput ***paInputs, unsigned int *pInCount,
tABC_TxOutput ***paOutputs, unsigned int *pOutCount,
int64_t *pAmount, int64_t *pFees,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
tABC_TxOutput **paInArr = NULL;
tABC_TxOutput **paOutArr = NULL;
bc::transaction_type tx;
unsigned int idx = 0, iCount = 0, oCount = 0;
int64_t fees = 0;
int64_t totalInSatoshi = 0, totalOutSatoshi = 0, totalMeSatoshi = 0, totalMeInSatoshi = 0;
WatcherInfo *watcherInfo = nullptr;
ABC_CHECK_NEW(watcherFind(watcherInfo, self));
bc::hash_digest txid;
if (!bc::decode_hash(txid, szTxID))
ABC_RET_ERROR(ABC_CC_ParseError, "Bad txid");
tx = watcherInfo->watcher.find_tx(txid);
idx = 0;
iCount = tx.inputs.size();
paInArr = (tABC_TxOutput **) malloc(sizeof(tABC_TxOutput *) * iCount);
for (auto i : tx.inputs)
{
bc::payment_address addr;
bc::extract(addr, i.script);
auto prev = i.previous_output;
// Create output
tABC_TxOutput *out = (tABC_TxOutput *) malloc(sizeof(tABC_TxOutput));
out->input = true;
out->szTxId = stringCopy(bc::encode_hash(prev.hash));
out->szAddress = stringCopy(addr.encoded());
auto tx = watcherInfo->watcher.find_tx(prev.hash);
if (prev.index < tx.outputs.size())
{
out->value = tx.outputs[prev.index].value;
totalInSatoshi += tx.outputs[prev.index].value;
auto row = watcherInfo->addresses.find(addr.encoded());
if (row != watcherInfo->addresses.end())
totalMeInSatoshi += tx.outputs[prev.index].value;
} else {
out->value = 0;
}
paInArr[idx] = out;
idx++;
}
idx = 0;
oCount = tx.outputs.size();
paOutArr = (tABC_TxOutput **) malloc(sizeof(tABC_TxOutput *) * oCount);
for (auto o : tx.outputs)
{
bc::payment_address addr;
bc::extract(addr, o.script);
// Create output
tABC_TxOutput *out = (tABC_TxOutput *) malloc(sizeof(tABC_TxOutput));
out->input = false;
out->value = o.value;
out->szAddress = stringCopy(addr.encoded());
out->szTxId = stringCopy(szTxID);
// Do we own this address?
auto row = watcherInfo->addresses.find(addr.encoded());
if (row != watcherInfo->addresses.end())
{
totalMeSatoshi += o.value;
}
totalOutSatoshi += o.value;
paOutArr[idx] = out;
idx++;
}
fees = totalInSatoshi - totalOutSatoshi;
totalMeSatoshi -= totalMeInSatoshi;
*paInputs = paInArr;
*pInCount = iCount;
*paOutputs = paOutArr;
*pOutCount = oCount;
*pAmount = totalMeSatoshi;
*pFees = fees;
paInArr = NULL;
paOutArr = NULL;
exit:
ABC_TxFreeOutputs(paInArr, iCount);
ABC_TxFreeOutputs(paOutArr, oCount);
return cc;
}
/**
* Generate the QR code for a previously created receive request.
*
* @param szRequestID ID of this request
* @param pszURI Pointer to string to store URI(optional)
* @param paData Pointer to store array of data bytes (0x0 white, 0x1 black)
* @param pWidth Pointer to store width of image (image will be square)
* @param pError A pointer to the location to store the error if there is one
*/
tABC_CC ABC_TxGenerateRequestQRCode(Wallet &self,
const char *szRequestID,
char **pszURI,
unsigned char **paData,
unsigned int *pWidth,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
AutoCoreLock lock(gCoreMutex);
QRcode *qr = NULL;
unsigned char *aData = NULL;
unsigned int length = 0;
char *szURI = NULL;
// load the request/address
Address address;
ABC_CHECK_NEW(self.addresses.get(address, szRequestID));
// Get the URL string for this info
tABC_BitcoinURIInfo infoURI;
memset(&infoURI, 0, sizeof(tABC_BitcoinURIInfo));
infoURI.amountSatoshi = address.metadata.amountSatoshi;
infoURI.szAddress = address.address.c_str();
// Set the label if there is one
ABC_CHECK_RET(ABC_TxBuildFromLabel(self, &(infoURI.szLabel), pError));
// if there is a note
if (!address.metadata.notes.empty())
{
infoURI.szMessage = address.metadata.notes.c_str();
}
ABC_CHECK_RET(ABC_BridgeEncodeBitcoinURI(&szURI, &infoURI, pError));
// encode our string
ABC_DebugLog("Encoding: %s", szURI);
qr = QRcode_encodeString(szURI, 0, QR_ECLEVEL_L, QR_MODE_8, 1);
ABC_CHECK_ASSERT(qr != NULL, ABC_CC_Error, "Unable to create QR code");
length = qr->width * qr->width;
ABC_ARRAY_NEW(aData, length, unsigned char);
for (unsigned i = 0; i < length; i++)
{
aData[i] = qr->data[i] & 0x1;
}
*pWidth = qr->width;
*paData = aData;
aData = NULL;
if (pszURI != NULL)
{
*pszURI = stringCopy(szURI);
}
exit:
ABC_FREE_STR(szURI);
QRcode_free(qr);
ABC_CLEAR_FREE(aData, length);
return cc;
}
