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Create 15_1_getmininginfo.c

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Shannon Appelcline 2020-08-04 14:17:37 -10:00 committed by GitHub
parent 2389e6d166
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#include <jansson.h>
#include <bitcoinrpc.h>
int main(void) {
bitcoinrpc_cl_t *rpc_client;
bitcoinrpc_method_t *getmininginfo = NULL;
bitcoinrpc_resp_t *btcresponse = NULL;
bitcoinrpc_err_t btcerror;
json_t *jsonresponse = NULL;
json_t *jsonresult = NULL;
json_t *jsonblocks = NULL;
int blocks;
bitcoinrpc_global_init();
rpc_client = bitcoinrpc_cl_init_params ("bitcoinrpc", "73bd45ba60ab8f9ff9846b6404769487", "127.0.0.1", 18443);
if (rpc_client) {
getmininginfo = bitcoinrpc_method_init(BITCOINRPC_METHOD_GETMININGINFO);
if (!getmininginfo) {
printf("ERROR: Unable to initialize getmininginfo method!\n");
exit(-1);
}
btcresponse = bitcoinrpc_resp_init();
if (!btcresponse) {
printf("Error: Cannot initialize response object!\n");
exit(-1);
}
bitcoinrpc_call(rpc_client, getmininginfo, btcresponse, &btcerror);
if (btcerror.code != BITCOINRPCE_OK) {
printf("Error: getmininginfo error code %d [%s]\n", btcerror.code,btcerror.msg);
exit(-1);
}
printf("Full Response: ");
jsonresponse = bitcoinrpc_resp_get (btcresponse);
printf ("%s\n", json_dumps (jsonresponse, JSON_INDENT(2)));
printf("\nJust the Result: ");
jsonresult = json_object_get(jsonresponse,"result");
printf ("%s\n", json_dumps (jsonresult, JSON_INDENT(2)));
jsonblocks = json_object_get(jsonresult,"blocks");
blocks = json_integer_value(jsonblocks);
printf("\nBlock Count: %d\n",blocks);
json_decref(jsonblocks);
json_decref(jsonresult);
json_decref(jsonresponse);
} else {
printf("ERROR: Failed to connect to server!\n");
}
bitcoinrpc_cl_free(rpc_client);
bitcoinrpc_global_cleanup();
}
```
As usual, you can compile and run as follows:
```
$ cc getmininginfo.c -lbitcoinrpc -ljansson -o getmininginfo
$ ./getmininginfo
Full Response: {
"result": {
"blocks": 1773353,
"difficulty": 10178811.406987719,
"networkhashps": 129510207940932.2,
"pooledtx": 9,
"chain": "test",
"warnings": "Warning: unknown new rules activated (versionbit 28)"
},
"error": null,
"id": "6e502927-b065-486a-8182-bc1acd843bae"
}
Just the Result: {
"blocks": 1773353,
"difficulty": 10178811.406987719,
"networkhashps": 129510207940932.2,
"pooledtx": 9,
"chain": "test",
"warnings": "Warning: unknown new rules activated (versionbit 28)"
}