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authorRussell Yanofsky <russ@yanofsky.org>2019-09-17 19:05:26 -0400
committerRussell Yanofsky <russ@yanofsky.org>2019-10-28 10:30:51 -0400
commit362ded410b8cb1104b7ef31ff8488fec4824a7d5 (patch)
tree0ffc9c199a3b7adcb9957b19824bff8c0fe33bb0 /src/wallet
parent8922d7f6b751a3e6b3b9f6fb7961c442877fb65a (diff)
Avoid using g_rpc_node global in wallet code
Wallet code should use interfaces::Chain and not directly access to node state. Add a g_rpc_chain replacement global for wallet code to use, and move g_rpc_node definition to a libbitcoin_server source file so there are link errors if wallet code tries to access it.
Diffstat (limited to 'src/wallet')
-rw-r--r--src/wallet/rpcwallet.cpp6
-rw-r--r--src/wallet/rpcwallet.h6
2 files changed, 10 insertions, 2 deletions
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 45c6e340c0..9050553a0e 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -2574,7 +2574,7 @@ static UniValue loadwallet(const JSONRPCRequest& request)
std::string error;
std::vector<std::string> warning;
- std::shared_ptr<CWallet> const wallet = LoadWallet(*g_rpc_node->chain, location, error, warning);
+ std::shared_ptr<CWallet> const wallet = LoadWallet(*g_rpc_chain, location, error, warning);
if (!wallet) throw JSONRPCError(RPC_WALLET_ERROR, error);
UniValue obj(UniValue::VOBJ);
@@ -2700,7 +2700,7 @@ static UniValue createwallet(const JSONRPCRequest& request)
std::string error;
std::shared_ptr<CWallet> wallet;
- WalletCreationStatus status = CreateWallet(*g_rpc_node->chain, passphrase, flags, request.params[0].get_str(), error, warnings, wallet);
+ WalletCreationStatus status = CreateWallet(*g_rpc_chain, passphrase, flags, request.params[0].get_str(), error, warnings, wallet);
switch (status) {
case WalletCreationStatus::CREATION_FAILED:
throw JSONRPCError(RPC_WALLET_ERROR, error);
@@ -4231,3 +4231,5 @@ void RegisterWalletRPCCommands(interfaces::Chain& chain, std::vector<std::unique
for (unsigned int vcidx = 0; vcidx < ARRAYLEN(commands); vcidx++)
handlers.emplace_back(chain.handleRpc(commands[vcidx]));
}
+
+interfaces::Chain* g_rpc_chain = nullptr;
diff --git a/src/wallet/rpcwallet.h b/src/wallet/rpcwallet.h
index 1c0523c90b..31d3f7a5f9 100644
--- a/src/wallet/rpcwallet.h
+++ b/src/wallet/rpcwallet.h
@@ -21,6 +21,12 @@ class Chain;
class Handler;
}
+//! Pointer to chain interface that needs to be declared as a global to be
+//! accessible loadwallet and createwallet methods. Due to limitations of the
+//! RPC framework, there's currently no direct way to pass in state to RPC
+//! methods without globals.
+extern interfaces::Chain* g_rpc_chain;
+
void RegisterWalletRPCCommands(interfaces::Chain& chain, std::vector<std::unique_ptr<interfaces::Handler>>& handlers);
/**