#include #include #include #include #include "libgowaku.h" #include "nxjson.c" #include "main.h" char *alicePrivKey = "0x4f012057e1a1458ce34189cb27daedbbe434f3df0825c1949475dec786e2c64e"; char *alicePubKey = "0x0440f05847c4c7166f57ae8ecaaf72d31bddcbca345e26713ca9e26c93fb8362ddcd5ae7f4533ee956428ad08a89cd18b234c2911a3b1c7fbd1c0047610d987302"; char *bobPrivKey = "0xb91d6b2df8fb6ef8b53b51b2b30a408c49d5e2b530502d58ac8f94e5c5de1453"; char *bobPubKey = "0x045eef61a98ba1cf44a2736fac91183ea2bd86e67de20fe4bff467a71249a8a0c05f795dd7f28ced7c15eaa69c89d4212cc4f526ca5e9a62e88008f506d850cccd"; void callBack(char *signal) { // This callback will be executed each time a new message is received // Example signal: /*{ "nodeId":1, "type":"message", "event":{ "pubsubTopic":"/waku/2/default-waku/proto", "messageID":"0x6496491e40dbe0b6c3a2198c2426b16301688a2daebc4f57ad7706115eac3ad1", "wakuMessage":{ "payload":"BPABASUqWgRkgp73aW/FHIyGtJDYnStvaQvCoX9MdaNsOH39Vet0em6ipZc3lZ7kK9uFFtbJgIWfRaqTxSRjiFOPx88gXt1JeSm2SUwGSz+1gh2xTy0am8tXkc8OWSSjamdkEbXuVgAueLxHOnV3xlGwYt7nx2G5DWYqUu1BXv4yWHPOoiH2yx3fxX0OajgKGBwiMbadRNUuAUFPRM90f+bzG2y22ssHctDV/U6sXOa9ljNgpAx703Q3WIFleSRozto7ByNAdRFwWR0RGGV4l0btJXM7JpnrYcVC24dB0tJ3HVWuD0ZcwOM1zTL0wwc0hTezLHvI+f6bHSzsFGcCWIlc03KSoMjK1XENNL4dtDmSFI1DQCGgq09c2Bc3Je3Ci6XJHu+FP1F1pTnRzevv2WP8FSBJiTXpmJXdm6evB7V1Xxj4QlzQDvmHLRpBOL6PSttxf1Dc0IwC6BfZRN5g0dNmItNlS2pcY1MtZLxD5zpj", "contentTopic":"ABC", "version":1, "timestamp":1647826358000000000 } } }*/ const nx_json *json = nx_json_parse(signal, 0); const char *type = nx_json_get(json, "type")->text_value; if (strcmp(type, "message") == 0) { char* msg = utils_extract_wakumessage_from_signal(json); char *decodedMsg = waku_decode_asymmetric(msg, bobPrivKey); free(msg); if(isError(decodedMsg)) { free(decodedMsg); return; } const nx_json *dataJson = nx_json_parse(decodedMsg, 0); const char *pubkey = nx_json_get(nx_json_get(dataJson, "result"), "pubkey")->text_value; const char *base64data = nx_json_get(nx_json_get(dataJson, "result"), "data")->text_value; char *data = waku_utils_base64_decode((char*)base64data); printf(">>> Received \"%s\" from %s\n", utils_get_str(data), pubkey); fflush(stdout); free(data); } nx_json_free(json); } int main(int argc, char *argv[]) { char *response; waku_set_event_callback(callBack); char *configJSON = "{\"host\": \"0.0.0.0\", \"port\": 60000}"; response = waku_new(configJSON); // configJSON can be NULL too to use defaults if (isError(response)) return 1; response = waku_start(); // Start the node, enabling the waku protocols if (isError(response)) return 1; response = waku_peerid(); // Obtain the node peerID if (isError(response)) return 1; char *nodePeerID = utils_get_str(response); printf("PeerID: %s\n", nodePeerID); response = waku_connect("/dns4/node-01.gc-us-central1-a.wakuv2.test.statusim.net/tcp/30303/p2p/16Uiu2HAmJb2e28qLXxT5kZxVUUoJt72EMzNGXB47Rxx5hw3q4YjS", 0); // Connect to a node if (isError(response)) return 1; /* // To use dns discovery, and retrieve nodes from a enrtree url response = waku_dns_discovery("enrtree://AOGECG2SPND25EEFMAJ5WF3KSGJNSGV356DSTL2YVLLZWIV6SAYBM@test.waku.nodes.status.im", "", 0); // Discover Nodes if (isError(response)) return 1; printf("Discovered nodes: %s\n", response); */ /* // To see a store query in action: char query[1000]; sprintf(query, "{\"pubsubTopic\":\"%s\", \"pagingOptions\":{\"pageSize\": 40, \"forward\":false}}", waku_default_pubsub_topic()); response = waku_store_query(query, NULL, 0); if (isError(response)) return 1; printf("%s\n",response); */ response = waku_relay_subscribe(NULL); if (isError(response)) return 1; int i = 0; int version = 1; while (i < 5) { i++; char wakuMsg[1000]; char *msgPayload = waku_utils_base64_encode("Hello World!"); char *contentTopic = waku_content_topic("example", 1, "default", "rfc26"); sprintf(wakuMsg, "{\"payload\":\"%s\",\"contentTopic\":\"%s\",\"timestamp\":%d}", msgPayload, contentTopic, i); free(msgPayload); free(contentTopic); response = waku_relay_publish_enc_asymmetric(wakuMsg, NULL, bobPubKey, alicePrivKey, 0); // Broadcast via waku relay a message encrypting it with Bob's PubK, and signing it with Alice PrivK // response = waku_lightpush_publish_enc_asymmetric(wakuMsg, NULL, NULL, bobPubKey, alicePrivKey, 0); // Broadcast via waku lightpush a message encrypting it with Bob's PubK, and signing it with Alice PrivK if (isError(response)) return 1; // char *messageID = utils_get_str(response); // free(messageID); sleep(1); } response = waku_stop(); if (isError(response)) return 1; return 0; }