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Define your audit catalog",[571,572,578],"pre",{"className":573,"code":574,"filename":575,"language":576,"meta":577,"style":577},"language-ts shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { defineAuditCatalog } from 'evlog'\n\nexport const billingAudit = defineAuditCatalog('billing', {\n  INVOICE_REFUND: { target: 'invoice' },\n  INVOICE_VOID: { target: 'invoice' },\n  SUBSCRIPTION_CANCEL: { target: 'subscription' },\n  PAYMENT_METHOD_REPLACE: { target: 'payment_method' },\n} as const)\n\ndeclare module 'evlog' {\n  interface RegisteredAuditCatalogs {\n    billing: typeof billingAudit\n  }\n}\n","src\u002Faudit-catalog.ts","ts","",[579,580,581,614,621,657,684,706,729,752,766,771,788,800,814,820],"code",{"__ignoreMap":577},[582,583,586,590,594,598,601,604,607,611],"span",{"class":584,"line":585},"line",1,[582,587,589],{"class":588},"s7zQu","import",[582,591,593],{"class":592},"sMK4o"," {",[582,595,597],{"class":596},"sTEyZ"," defineAuditCatalog",[582,599,600],{"class":592}," }",[582,602,603],{"class":588}," from",[582,605,606],{"class":592}," '",[582,608,610],{"class":609},"sfazB","evlog",[582,612,613],{"class":592},"'\n",[582,615,617],{"class":584,"line":616},2,[582,618,620],{"emptyLinePlaceholder":619},true,"\n",[582,622,624,627,631,634,637,640,643,646,649,651,654],{"class":584,"line":623},3,[582,625,626],{"class":588},"export",[582,628,630],{"class":629},"spNyl"," const",[582,632,633],{"class":596}," billingAudit ",[582,635,636],{"class":592},"=",[582,638,597],{"class":639},"s2Zo4",[582,641,642],{"class":596},"(",[582,644,645],{"class":592},"'",[582,647,648],{"class":609},"billing",[582,650,645],{"class":592},[582,652,653],{"class":592},",",[582,655,656],{"class":592}," {\n",[582,658,660,664,667,669,672,674,676,679,681],{"class":584,"line":659},4,[582,661,663],{"class":662},"swJcz","  INVOICE_REFUND",[582,665,666],{"class":592},":",[582,668,593],{"class":592},[582,670,671],{"class":662}," target",[582,673,666],{"class":592},[582,675,606],{"class":592},[582,677,678],{"class":609},"invoice",[582,680,645],{"class":592},[582,682,683],{"class":592}," },\n",[582,685,687,690,692,694,696,698,700,702,704],{"class":584,"line":686},5,[582,688,689],{"class":662},"  INVOICE_VOID",[582,691,666],{"class":592},[582,693,593],{"class":592},[582,695,671],{"class":662},[582,697,666],{"class":592},[582,699,606],{"class":592},[582,701,678],{"class":609},[582,703,645],{"class":592},[582,705,683],{"class":592},[582,707,709,712,714,716,718,720,722,725,727],{"class":584,"line":708},6,[582,710,711],{"class":662},"  SUBSCRIPTION_CANCEL",[582,713,666],{"class":592},[582,715,593],{"class":592},[582,717,671],{"class":662},[582,719,666],{"class":592},[582,721,606],{"class":592},[582,723,724],{"class":609},"subscription",[582,726,645],{"class":592},[582,728,683],{"class":592},[582,730,732,735,737,739,741,743,745,748,750],{"class":584,"line":731},7,[582,733,734],{"class":662},"  PAYMENT_METHOD_REPLACE",[582,736,666],{"class":592},[582,738,593],{"class":592},[582,740,671],{"class":662},[582,742,666],{"class":592},[582,744,606],{"class":592},[582,746,747],{"class":609},"payment_method",[582,749,645],{"class":592},[582,751,683],{"class":592},[582,753,755,758,761,763],{"class":584,"line":754},8,[582,756,757],{"class":592},"}",[582,759,760],{"class":588}," as",[582,762,630],{"class":629},[582,764,765],{"class":596},")\n",[582,767,769],{"class":584,"line":768},9,[582,770,620],{"emptyLinePlaceholder":619},[582,772,774,777,780,782,784,786],{"class":584,"line":773},10,[582,775,776],{"class":629},"declare",[582,778,779],{"class":629}," module",[582,781,606],{"class":592},[582,783,610],{"class":609},[582,785,645],{"class":592},[582,787,656],{"class":592},[582,789,791,794,798],{"class":584,"line":790},11,[582,792,793],{"class":629},"  interface",[582,795,797],{"class":796},"sBMFI"," RegisteredAuditCatalogs",[582,799,656],{"class":592},[582,801,803,806,808,811],{"class":584,"line":802},12,[582,804,805],{"class":662},"    billing",[582,807,666],{"class":592},[582,809,810],{"class":592}," typeof",[582,812,813],{"class":596}," billingAudit\n",[582,815,817],{"class":584,"line":816},13,[582,818,819],{"class":592},"  }\n",[582,821,823],{"class":584,"line":822},14,[582,824,825],{"class":592},"}\n",[566,827,829],{"id":828},"_2-a-custom-drain-for-the-audit-only-sink","2. A custom drain for the audit-only sink",[558,831,832],{},"Audit events go to a separate ingest that has stricter access controls than the regular logs.",[571,834,837],{"className":573,"code":835,"filename":836,"language":576,"meta":577,"style":577},"import { defineHttpDrain } from 'evlog\u002Ftoolkit'\n\nexport function createAuditDrain(overrides?: { url?: string; token?: string }) {\n  return defineHttpDrain\u003C{ url: string; token: string }>({\n    name: 'compliance-audit',\n    resolve: () => ({\n      url: overrides?.url ?? process.env.AUDIT_INGEST_URL!,\n      token: overrides?.token ?? process.env.AUDIT_INGEST_TOKEN!,\n    }),\n    encode: (events, config) => ({\n      url: `${config.url}\u002Fv1\u002Faudit-events`,\n      headers: {\n        'Content-Type': 'application\u002Fjson',\n        Authorization: `Bearer ${config.token}`,\n      },\n      \u002F\u002F Filter: ship only events that carry an `audit` block\n      body: JSON.stringify(events.filter(e => e.audit)),\n    }),\n  })\n}\n","src\u002Faudit-drain.ts",[579,838,839,859,863,907,939,956,974,1010,1039,1049,1074,1100,1109,1130,1157,1163,1170,1215,1224,1232],{"__ignoreMap":577},[582,840,841,843,845,848,850,852,854,857],{"class":584,"line":585},[582,842,589],{"class":588},[582,844,593],{"class":592},[582,846,847],{"class":596}," defineHttpDrain",[582,849,600],{"class":592},[582,851,603],{"class":588},[582,853,606],{"class":592},[582,855,856],{"class":609},"evlog\u002Ftoolkit",[582,858,613],{"class":592},[582,860,861],{"class":584,"line":616},[582,862,620],{"emptyLinePlaceholder":619},[582,864,865,867,870,873,875,879,882,884,887,889,892,895,898,900,902,905],{"class":584,"line":623},[582,866,626],{"class":588},[582,868,869],{"class":629}," function",[582,871,872],{"class":639}," createAuditDrain",[582,874,642],{"class":592},[582,876,878],{"class":877},"sHdIc","overrides",[582,880,881],{"class":592},"?:",[582,883,593],{"class":592},[582,885,886],{"class":662}," url",[582,888,881],{"class":592},[582,890,891],{"class":796}," string",[582,893,894],{"class":592},";",[582,896,897],{"class":662}," token",[582,899,881],{"class":592},[582,901,891],{"class":796},[582,903,904],{"class":592}," })",[582,906,656],{"class":592},[582,908,909,912,914,917,919,921,923,925,927,929,931,934,936],{"class":584,"line":659},[582,910,911],{"class":588},"  return",[582,913,847],{"class":639},[582,915,916],{"class":592},"\u003C{",[582,918,886],{"class":662},[582,920,666],{"class":592},[582,922,891],{"class":796},[582,924,894],{"class":592},[582,926,897],{"class":662},[582,928,666],{"class":592},[582,930,891],{"class":796},[582,932,933],{"class":592}," }>",[582,935,642],{"class":662},[582,937,938],{"class":592},"{\n",[582,940,941,944,946,948,951,953],{"class":584,"line":686},[582,942,943],{"class":662},"    name",[582,945,666],{"class":592},[582,947,606],{"class":592},[582,949,950],{"class":609},"compliance-audit",[582,952,645],{"class":592},[582,954,955],{"class":592},",\n",[582,957,958,961,963,966,969,972],{"class":584,"line":708},[582,959,960],{"class":639},"    resolve",[582,962,666],{"class":592},[582,964,965],{"class":592}," ()",[582,967,968],{"class":629}," =>",[582,970,971],{"class":662}," (",[582,973,938],{"class":592},[582,975,976,979,981,984,987,990,993,996,999,1002,1004,1007],{"class":584,"line":731},[582,977,978],{"class":662},"      url",[582,980,666],{"class":592},[582,982,983],{"class":596}," overrides",[582,985,986],{"class":592},"?.",[582,988,989],{"class":596},"url",[582,991,992],{"class":592}," ??",[582,994,995],{"class":596}," process",[582,997,998],{"class":592},".",[582,1000,1001],{"class":596},"env",[582,1003,998],{"class":592},[582,1005,1006],{"class":596},"AUDIT_INGEST_URL",[582,1008,1009],{"class":592},"!,\n",[582,1011,1012,1015,1017,1019,1021,1024,1026,1028,1030,1032,1034,1037],{"class":584,"line":754},[582,1013,1014],{"class":662},"      token",[582,1016,666],{"class":592},[582,1018,983],{"class":596},[582,1020,986],{"class":592},[582,1022,1023],{"class":596},"token",[582,1025,992],{"class":592},[582,1027,995],{"class":596},[582,1029,998],{"class":592},[582,1031,1001],{"class":596},[582,1033,998],{"class":592},[582,1035,1036],{"class":596},"AUDIT_INGEST_TOKEN",[582,1038,1009],{"class":592},[582,1040,1041,1044,1047],{"class":584,"line":768},[582,1042,1043],{"class":592},"    }",[582,1045,1046],{"class":662},")",[582,1048,955],{"class":592},[582,1050,1051,1054,1056,1058,1061,1063,1066,1068,1070,1072],{"class":584,"line":773},[582,1052,1053],{"class":639},"    encode",[582,1055,666],{"class":592},[582,1057,971],{"class":592},[582,1059,1060],{"class":877},"events",[582,1062,653],{"class":592},[582,1064,1065],{"class":877}," config",[582,1067,1046],{"class":592},[582,1069,968],{"class":629},[582,1071,971],{"class":662},[582,1073,938],{"class":592},[582,1075,1076,1078,1080,1083,1086,1088,1090,1092,1095,1098],{"class":584,"line":790},[582,1077,978],{"class":662},[582,1079,666],{"class":592},[582,1081,1082],{"class":592}," `${",[582,1084,1085],{"class":596},"config",[582,1087,998],{"class":592},[582,1089,989],{"class":596},[582,1091,757],{"class":592},[582,1093,1094],{"class":609},"\u002Fv1\u002Faudit-events",[582,1096,1097],{"class":592},"`",[582,1099,955],{"class":592},[582,1101,1102,1105,1107],{"class":584,"line":802},[582,1103,1104],{"class":662},"      headers",[582,1106,666],{"class":592},[582,1108,656],{"class":592},[582,1110,1111,1114,1117,1119,1121,1123,1126,1128],{"class":584,"line":816},[582,1112,1113],{"class":592},"        '",[582,1115,1116],{"class":662},"Content-Type",[582,1118,645],{"class":592},[582,1120,666],{"class":592},[582,1122,606],{"class":592},[582,1124,1125],{"class":609},"application\u002Fjson",[582,1127,645],{"class":592},[582,1129,955],{"class":592},[582,1131,1132,1135,1137,1140,1143,1146,1148,1150,1152,1155],{"class":584,"line":822},[582,1133,1134],{"class":662},"        Authorization",[582,1136,666],{"class":592},[582,1138,1139],{"class":592}," `",[582,1141,1142],{"class":609},"Bearer ",[582,1144,1145],{"class":592},"${",[582,1147,1085],{"class":596},[582,1149,998],{"class":592},[582,1151,1023],{"class":596},[582,1153,1154],{"class":592},"}`",[582,1156,955],{"class":592},[582,1158,1160],{"class":584,"line":1159},15,[582,1161,1162],{"class":592},"      },\n",[582,1164,1166],{"class":584,"line":1165},16,[582,1167,1169],{"class":1168},"sHwdD","      \u002F\u002F Filter: ship only events that carry an `audit` block\n",[582,1171,1173,1176,1178,1181,1183,1186,1188,1190,1192,1195,1197,1200,1202,1205,1207,1210,1213],{"class":584,"line":1172},17,[582,1174,1175],{"class":662},"      body",[582,1177,666],{"class":592},[582,1179,1180],{"class":596}," JSON",[582,1182,998],{"class":592},[582,1184,1185],{"class":639},"stringify",[582,1187,642],{"class":662},[582,1189,1060],{"class":596},[582,1191,998],{"class":592},[582,1193,1194],{"class":639},"filter",[582,1196,642],{"class":662},[582,1198,1199],{"class":877},"e",[582,1201,968],{"class":629},[582,1203,1204],{"class":596}," e",[582,1206,998],{"class":592},[582,1208,1209],{"class":596},"audit",[582,1211,1212],{"class":662},"))",[582,1214,955],{"class":592},[582,1216,1218,1220,1222],{"class":584,"line":1217},18,[582,1219,1043],{"class":592},[582,1221,1046],{"class":662},[582,1223,955],{"class":592},[582,1225,1227,1230],{"class":584,"line":1226},19,[582,1228,1229],{"class":592},"  }",[582,1231,765],{"class":662},[582,1233,1235],{"class":584,"line":1234},20,[582,1236,825],{"class":592},[566,1238,1240],{"id":1239},"_3-optional-wrap-with-the-signed-chain-for-tamper-evidence","3. (Optional) Wrap with the signed chain for tamper-evidence",[571,1242,1244],{"className":573,"code":1243,"language":576,"meta":577,"style":577},"import { signed } from 'evlog'\n\nconst drain = signed({\n  drain: createAuditDrain(),\n  secret: process.env.AUDIT_CHAIN_SECRET!,\n})\n",[579,1245,1246,1265,1269,1285,1299,1319],{"__ignoreMap":577},[582,1247,1248,1250,1252,1255,1257,1259,1261,1263],{"class":584,"line":585},[582,1249,589],{"class":588},[582,1251,593],{"class":592},[582,1253,1254],{"class":596}," signed",[582,1256,600],{"class":592},[582,1258,603],{"class":588},[582,1260,606],{"class":592},[582,1262,610],{"class":609},[582,1264,613],{"class":592},[582,1266,1267],{"class":584,"line":616},[582,1268,620],{"emptyLinePlaceholder":619},[582,1270,1271,1274,1277,1279,1281,1283],{"class":584,"line":623},[582,1272,1273],{"class":629},"const",[582,1275,1276],{"class":596}," drain ",[582,1278,636],{"class":592},[582,1280,1254],{"class":639},[582,1282,642],{"class":596},[582,1284,938],{"class":592},[582,1286,1287,1290,1292,1294,1297],{"class":584,"line":659},[582,1288,1289],{"class":662},"  drain",[582,1291,666],{"class":592},[582,1293,872],{"class":639},[582,1295,1296],{"class":596},"()",[582,1298,955],{"class":592},[582,1300,1301,1304,1306,1308,1310,1312,1314,1317],{"class":584,"line":686},[582,1302,1303],{"class":662},"  secret",[582,1305,666],{"class":592},[582,1307,995],{"class":596},[582,1309,998],{"class":592},[582,1311,1001],{"class":596},[582,1313,998],{"class":592},[582,1315,1316],{"class":596},"AUDIT_CHAIN_SECRET",[582,1318,1009],{"class":592},[582,1320,1321,1323],{"class":584,"line":708},[582,1322,757],{"class":592},[582,1324,765],{"class":596},[558,1326,1327,1328,1331],{},"Each event then carries a ",[579,1329,1330],{},"audit.chain.{prevHash, currentHash}"," — a missing or modified event breaks the chain and can be detected at audit time.",[566,1333,1335],{"id":1334},"_4-wire-it-up","4. Wire it up",[571,1337,1340],{"className":573,"code":1338,"filename":1339,"language":576,"meta":577,"style":577},"import { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createDrainPipeline } from 'evlog\u002Fpipeline'\n\nconst pipeline = createDrainPipeline()\nexport default defineNitroPlugin((nitroApp) => {\n  nitroApp.hooks.hook('evlog:drain', pipeline(\n    createAxiomDrain(),         \u002F\u002F regular logs go here\n    createAuditDrain(),         \u002F\u002F audit-only events go here\n  ))\n})\n","server\u002Fplugins\u002Fevlog-drain.ts",[579,1341,1342,1362,1382,1386,1400,1423,1455,1467,1479,1484],{"__ignoreMap":577},[582,1343,1344,1346,1348,1351,1353,1355,1357,1360],{"class":584,"line":585},[582,1345,589],{"class":588},[582,1347,593],{"class":592},[582,1349,1350],{"class":596}," createAxiomDrain",[582,1352,600],{"class":592},[582,1354,603],{"class":588},[582,1356,606],{"class":592},[582,1358,1359],{"class":609},"evlog\u002Faxiom",[582,1361,613],{"class":592},[582,1363,1364,1366,1368,1371,1373,1375,1377,1380],{"class":584,"line":616},[582,1365,589],{"class":588},[582,1367,593],{"class":592},[582,1369,1370],{"class":596}," createDrainPipeline",[582,1372,600],{"class":592},[582,1374,603],{"class":588},[582,1376,606],{"class":592},[582,1378,1379],{"class":609},"evlog\u002Fpipeline",[582,1381,613],{"class":592},[582,1383,1384],{"class":584,"line":623},[582,1385,620],{"emptyLinePlaceholder":619},[582,1387,1388,1390,1393,1395,1397],{"class":584,"line":659},[582,1389,1273],{"class":629},[582,1391,1392],{"class":596}," pipeline ",[582,1394,636],{"class":592},[582,1396,1370],{"class":639},[582,1398,1399],{"class":596},"()\n",[582,1401,1402,1404,1407,1410,1412,1414,1417,1419,1421],{"class":584,"line":686},[582,1403,626],{"class":588},[582,1405,1406],{"class":588}," default",[582,1408,1409],{"class":639}," defineNitroPlugin",[582,1411,642],{"class":596},[582,1413,642],{"class":592},[582,1415,1416],{"class":877},"nitroApp",[582,1418,1046],{"class":592},[582,1420,968],{"class":629},[582,1422,656],{"class":592},[582,1424,1425,1428,1430,1433,1435,1438,1440,1442,1445,1447,1449,1452],{"class":584,"line":708},[582,1426,1427],{"class":596},"  nitroApp",[582,1429,998],{"class":592},[582,1431,1432],{"class":596},"hooks",[582,1434,998],{"class":592},[582,1436,1437],{"class":639},"hook",[582,1439,642],{"class":662},[582,1441,645],{"class":592},[582,1443,1444],{"class":609},"evlog:drain",[582,1446,645],{"class":592},[582,1448,653],{"class":592},[582,1450,1451],{"class":639}," pipeline",[582,1453,1454],{"class":662},"(\n",[582,1456,1457,1460,1462,1464],{"class":584,"line":731},[582,1458,1459],{"class":639},"    createAxiomDrain",[582,1461,1296],{"class":662},[582,1463,653],{"class":592},[582,1465,1466],{"class":1168},"         \u002F\u002F regular logs go here\n",[582,1468,1469,1472,1474,1476],{"class":584,"line":754},[582,1470,1471],{"class":639},"    createAuditDrain",[582,1473,1296],{"class":662},[582,1475,653],{"class":592},[582,1477,1478],{"class":1168},"         \u002F\u002F audit-only events go here\n",[582,1480,1481],{"class":584,"line":768},[582,1482,1483],{"class":662},"  ))\n",[582,1485,1486,1488],{"class":584,"line":773},[582,1487,757],{"class":592},[582,1489,765],{"class":596},[566,1491,1493],{"id":1492},"_5-record-audit-actions-in-handlers","5. 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