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-rw-r--r--src/rpc/blockchain.cpp17
-rw-r--r--src/rpc/net.cpp4
-rw-r--r--src/rpc/protocol.h6
3 files changed, 19 insertions, 8 deletions
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index f38b8f88aa..96254a8cb9 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -744,10 +744,15 @@ UniValue getblock(const JSONRPCRequest& request)
CBlockIndex* pblockindex = mapBlockIndex[hash];
if (fHavePruned && !(pblockindex->nStatus & BLOCK_HAVE_DATA) && pblockindex->nTx > 0)
- throw JSONRPCError(RPC_INTERNAL_ERROR, "Block not available (pruned data)");
+ throw JSONRPCError(RPC_MISC_ERROR, "Block not available (pruned data)");
- if(!ReadBlockFromDisk(block, pblockindex, Params().GetConsensus()))
- throw JSONRPCError(RPC_INTERNAL_ERROR, "Can't read block from disk");
+ if (!ReadBlockFromDisk(block, pblockindex, Params().GetConsensus()))
+ // Block not found on disk. This could be because we have the block
+ // header in our index but don't have the block (for example if a
+ // non-whitelisted node sends us an unrequested long chain of valid
+ // blocks, we add the headers to our index, but don't accept the
+ // block).
+ throw JSONRPCError(RPC_MISC_ERROR, "Block not found on disk");
if (!fVerbose)
{
@@ -829,7 +834,7 @@ UniValue pruneblockchain(const JSONRPCRequest& request)
+ HelpExampleRpc("pruneblockchain", "1000"));
if (!fPruneMode)
- throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Cannot prune blocks because node is not in prune mode.");
+ throw JSONRPCError(RPC_MISC_ERROR, "Cannot prune blocks because node is not in prune mode.");
LOCK(cs_main);
@@ -843,7 +848,7 @@ UniValue pruneblockchain(const JSONRPCRequest& request)
// Add a 2 hour buffer to include blocks which might have had old timestamps
CBlockIndex* pindex = chainActive.FindEarliestAtLeast(heightParam - TIMESTAMP_WINDOW);
if (!pindex) {
- throw JSONRPCError(RPC_INTERNAL_ERROR, "Could not find block with at least the specified timestamp.");
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Could not find block with at least the specified timestamp.");
}
heightParam = pindex->nHeight;
}
@@ -851,7 +856,7 @@ UniValue pruneblockchain(const JSONRPCRequest& request)
unsigned int height = (unsigned int) heightParam;
unsigned int chainHeight = (unsigned int) chainActive.Height();
if (chainHeight < Params().PruneAfterHeight())
- throw JSONRPCError(RPC_INTERNAL_ERROR, "Blockchain is too short for pruning.");
+ throw JSONRPCError(RPC_MISC_ERROR, "Blockchain is too short for pruning.");
else if (height > chainHeight)
throw JSONRPCError(RPC_INVALID_PARAMETER, "Blockchain is shorter than the attempted prune height.");
else if (height > chainHeight - MIN_BLOCKS_TO_KEEP) {
diff --git a/src/rpc/net.cpp b/src/rpc/net.cpp
index b946a64ec6..44c6e6d308 100644
--- a/src/rpc/net.cpp
+++ b/src/rpc/net.cpp
@@ -504,7 +504,7 @@ UniValue setban(const JSONRPCRequest& request)
LookupSubNet(request.params[0].get_str().c_str(), subNet);
if (! (isSubnet ? subNet.IsValid() : netAddr.IsValid()) )
- throw JSONRPCError(RPC_CLIENT_NODE_ALREADY_ADDED, "Error: Invalid IP/Subnet");
+ throw JSONRPCError(RPC_CLIENT_INVALID_IP_OR_SUBNET, "Error: Invalid IP/Subnet");
if (strCommand == "add")
{
@@ -524,7 +524,7 @@ UniValue setban(const JSONRPCRequest& request)
else if(strCommand == "remove")
{
if (!( isSubnet ? g_connman->Unban(subNet) : g_connman->Unban(netAddr) ))
- throw JSONRPCError(RPC_MISC_ERROR, "Error: Unban failed");
+ throw JSONRPCError(RPC_CLIENT_INVALID_IP_OR_SUBNET, "Error: Unban failed. Requested address/subnet was not previously banned.");
}
return NullUniValue;
}
diff --git a/src/rpc/protocol.h b/src/rpc/protocol.h
index 47e56e712b..eafb8d9e67 100644
--- a/src/rpc/protocol.h
+++ b/src/rpc/protocol.h
@@ -31,9 +31,15 @@ enum HTTPStatusCode
enum RPCErrorCode
{
//! Standard JSON-RPC 2.0 errors
+ // RPC_INVALID_REQUEST is internally mapped to HTTP_BAD_REQUEST (400).
+ // It should not be used for application-layer errors.
RPC_INVALID_REQUEST = -32600,
+ // RPC_METHOD_NOT_FOUND is internally mapped to HTTP_NOT_FOUND (404).
+ // It should not be used for application-layer errors.
RPC_METHOD_NOT_FOUND = -32601,
RPC_INVALID_PARAMS = -32602,
+ // RPC_INTERNAL_ERROR should only be used for genuine errors in bitcoind
+ // (for exampled datadir corruption).
RPC_INTERNAL_ERROR = -32603,
RPC_PARSE_ERROR = -32700,