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bitcoind: check that Bitcoin plugin is alive before requesting

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This commit is contained in:
darosior
2020-03-10 00:03:34 +01:00
committed by neil saitug
parent 8539442de3
commit 06e9a9f31f
1 changed files with 17 additions and 10 deletions
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27
lightningd/bitcoind.c
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@@ -121,6 +121,18 @@ static void bitcoin_plugin_error(struct bitcoind *bitcoind, const char *buf,
toks->end - toks->start, buf + toks->start);
}
/* Send a request to the Bitcoin plugin which registered that method,
* if it's still alive. */
static void bitcoin_plugin_send(struct bitcoind *bitcoind,
struct jsonrpc_request *req)
{
struct plugin *plugin = strmap_get(&bitcoind->pluginsmap, req->method);
if (!plugin)
fatal("Bitcoin backend plugin for %s died.", req->method);
plugin_request_send(plugin, req);
}
/* `getfeerate`
*
* Gather feerate from our Bitcoin backend. Will set the feerate to `null`
@@ -211,8 +223,7 @@ static void do_one_estimatefee(struct bitcoind *bitcoind,
json_add_num(req->stream, "blocks", call->blocks[call->i]);
json_add_string(req->stream, "mode", call->estmode[call->i]);
jsonrpc_request_end(req);
plugin_request_send(strmap_get(&bitcoind->pluginsmap,
"getfeerate"), req);
bitcoin_plugin_send(bitcoind, req);
}
void bitcoind_estimate_fees_(struct bitcoind *bitcoind,
@@ -311,8 +322,7 @@ void bitcoind_sendrawtx_(struct bitcoind *bitcoind,
call);
json_add_string(req->stream, "tx", hextx);
jsonrpc_request_end(req);
plugin_request_send(strmap_get(&bitcoind->pluginsmap,
"sendrawtransaction"), req);
bitcoin_plugin_send(bitcoind, req);
}
/* `getrawblockbyheight`
@@ -412,8 +422,7 @@ void bitcoind_getrawblockbyheight_(struct bitcoind *bitcoind,
notleak(call));
json_add_num(req->stream, "height", height);
jsonrpc_request_end(req);
plugin_request_send(strmap_get(&bitcoind->pluginsmap,
"getrawblockbyheight"), req);
bitcoin_plugin_send(bitcoind, req);
}
/* `getchaininfo`
@@ -507,8 +516,7 @@ void bitcoind_getchaininfo_(struct bitcoind *bitcoind,
req = jsonrpc_request_start(bitcoind, "getchaininfo", bitcoind->log,
getchaininfo_callback, call);
jsonrpc_request_end(req);
plugin_request_send(strmap_get(&bitcoind->pluginsmap, "getchaininfo"),
req);
bitcoin_plugin_send(bitcoind, req);
}
/* `getutxout`
@@ -591,8 +599,7 @@ void bitcoind_getutxout_(struct bitcoind *bitcoind,
json_add_txid(req->stream, "txid", txid);
json_add_num(req->stream, "vout", outnum);
jsonrpc_request_end(req);
plugin_request_send(strmap_get(&bitcoind->pluginsmap, "getutxout"),
req);
bitcoin_plugin_send(bitcoind, req);
}
/* Context for the getfilteredblock call. Wraps the actual arguments while we