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[REST] add JSON support for /rest/headers/

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This commit is contained in:
Jonas Schnelli 2014-12-16 10:50:44 +01:00
parent d0a10c1959
commit c45c7ea0fa
4 changed files with 51 additions and 13 deletions
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4
doc/REST-interface.md
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@ -26,13 +26,11 @@ The HTTP request and response are both handled entirely in-memory, thus making m
With the /notxdetails/ option JSON response will only contain the transaction hash instead of the complete transaction details. The option only affects the JSON response.
####Blockheaders
`GET /rest/headers/<COUNT>/<BLOCK-HASH>.<bin|hex>`
`GET /rest/headers/<COUNT>/<BLOCK-HASH>.<bin|hex|json>`
Given a block hash,
Returns <COUNT> amount of blockheaders in upward direction.
JSON is not supported.
####Chaininfos
`GET /rest/chaininfo.json`

39
qa/rpc-tests/rest.py
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@ -235,12 +235,43 @@ class RESTTest (BitcoinTestFramework):
assert_equal(response_header_str.encode("hex")[0:160], response_header_hex_str[0:160])
# check json format
json_string = http_get_call(url.hostname, url.port, '/rest/block/'+bb_hash+self.FORMAT_SEPARATOR+'json')
json_obj = json.loads(json_string)
assert_equal(json_obj['hash'], bb_hash)
block_json_string = http_get_call(url.hostname, url.port, '/rest/block/'+bb_hash+self.FORMAT_SEPARATOR+'json')
block_json_obj = json.loads(block_json_string)
assert_equal(block_json_obj['hash'], bb_hash)
# compare with json block header
response_header_json = http_get_call(url.hostname, url.port, '/rest/headers/1/'+bb_hash+self.FORMAT_SEPARATOR+"json", "", True)
assert_equal(response_header_json.status, 200)
response_header_json_str = response_header_json.read()
json_obj = json.loads(response_header_json_str)
assert_equal(len(json_obj), 1) #ensure that there is one header in the json response
assert_equal(json_obj[0]['hash'], bb_hash) #request/response hash should be the same
#compare with normal RPC block response
rpc_block_json = self.nodes[0].getblock(bb_hash)
assert_equal(json_obj[0]['hash'], rpc_block_json['hash'])
assert_equal(json_obj[0]['confirmations'], rpc_block_json['confirmations'])
assert_equal(json_obj[0]['height'], rpc_block_json['height'])
assert_equal(json_obj[0]['version'], rpc_block_json['version'])
assert_equal(json_obj[0]['merkleroot'], rpc_block_json['merkleroot'])
assert_equal(json_obj[0]['time'], rpc_block_json['time'])
assert_equal(json_obj[0]['nonce'], rpc_block_json['nonce'])
assert_equal(json_obj[0]['bits'], rpc_block_json['bits'])
assert_equal(json_obj[0]['difficulty'], rpc_block_json['difficulty'])
assert_equal(json_obj[0]['chainwork'], rpc_block_json['chainwork'])
assert_equal(json_obj[0]['previousblockhash'], rpc_block_json['previousblockhash'])
#see if we can get 5 headers in one response
self.nodes[1].generate(5)
self.sync_all()
response_header_json = http_get_call(url.hostname, url.port, '/rest/headers/5/'+bb_hash+self.FORMAT_SEPARATOR+"json", "", True)
assert_equal(response_header_json.status, 200)
response_header_json_str = response_header_json.read()
json_obj = json.loads(response_header_json_str)
assert_equal(len(json_obj), 5) #now we should have 5 header objects
# do tx test
tx_hash = json_obj['tx'][0]['txid'];
tx_hash = block_json_obj['tx'][0]['txid'];
json_string = http_get_call(url.hostname, url.port, '/rest/tx/'+tx_hash+self.FORMAT_SEPARATOR+"json")
json_obj = json.loads(json_string)
assert_equal(json_obj['txid'], tx_hash)

19
src/rest.cpp
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@ -65,6 +65,7 @@ public:
extern void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry);
extern UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool txDetails = false);
extern void ScriptPubKeyToJSON(const CScript& scriptPubKey, UniValue& out, bool fIncludeHex);
extern UniValue blockheaderToJSON(const CBlockIndex* blockindex);
static RestErr RESTERR(enum HTTPStatusCode status, string message)
{
@ -134,14 +135,14 @@ static bool rest_headers(AcceptedConnection* conn,
if (!ParseHashStr(hashStr, hash))
throw RESTERR(HTTP_BAD_REQUEST, "Invalid hash: " + hashStr);
std::vector<CBlockHeader> headers;
std::vector<const CBlockIndex *> headers;
headers.reserve(count);
{
LOCK(cs_main);
BlockMap::const_iterator it = mapBlockIndex.find(hash);
const CBlockIndex *pindex = (it != mapBlockIndex.end()) ? it->second : NULL;
while (pindex != NULL && chainActive.Contains(pindex)) {
headers.push_back(pindex->GetBlockHeader());
headers.push_back(pindex);
if (headers.size() == (unsigned long)count)
break;
pindex = chainActive.Next(pindex);
@ -149,8 +150,8 @@ static bool rest_headers(AcceptedConnection* conn,
}
CDataStream ssHeader(SER_NETWORK, PROTOCOL_VERSION);
BOOST_FOREACH(const CBlockHeader &header, headers) {
ssHeader << header;
BOOST_FOREACH(const CBlockIndex *pindex, headers) {
ssHeader << pindex->GetBlockHeader();
}
switch (rf) {
@ -166,6 +167,16 @@ static bool rest_headers(AcceptedConnection* conn,
return true;
}
case RF_JSON: {
UniValue jsonHeaders(UniValue::VARR);
BOOST_FOREACH(const CBlockIndex *pindex, headers) {
jsonHeaders.push_back(blockheaderToJSON(pindex));
}
string strJSON = jsonHeaders.write() + "\n";
conn->stream() << HTTPReply(HTTP_OK, strJSON, fRun) << std::flush;
return true;
}
default: {
throw RESTERR(HTTP_NOT_FOUND, "output format not found (available: .bin, .hex)");
}

2
src/rpcblockchain.cpp
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@ -77,7 +77,6 @@ UniValue blockheaderToJSON(const CBlockIndex* blockindex)
return result;
}
UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool txDetails = false)
{
UniValue result(UniValue::VOBJ);
@ -118,7 +117,6 @@ UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool tx
return result;
}
UniValue getblockcount(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() != 0)