add sqlite

src/index.ts

@@ -12,6 +12,7 @@ import { base64 } from "ethers/lib/utils";
 // Arbitrary secret key that could be read from file, CLI arg or db
 // We derive both the PeerId and the (ethers) wallet from this key
 const SecretKey = "0x0123456789012345678901234567890123456789012345678901234567890123";
+const DB_PATH = "./data/snapshot.db";
 
 
 function create_wallet(sk: string): ethers.Wallet {
@@ -41,6 +42,7 @@ class EIPValidator implements ProVoValidationDef {
 
     // console.log(resp_str);
     let obj = { "signature": signed_response, "validation": response };
+
     return JSON.stringify(obj);
   }
 
@@ -64,6 +66,12 @@ class EIPValidator implements ProVoValidationDef {
     // console.log(resp_str);
 
     let obj = { "signature": signed_response, "validation": response };
+
+    // commit to local sqlite
+    let db = get_db(DB_PATH);
+    await create_table(db);
+    await insert_event(db, JSON.parse(eip_json), response, signed_response);
+
     return JSON.stringify(obj);
   }
 
@@ -75,9 +83,11 @@ class DataProvider implements DataProviderDef {
 
   }
 
-  get_records() {
+  async get_records(): Promise<any> {
     // todo: add pagination
-    return select_events();
+    const result = await select_events();
+    console.log("get records: ", result);
+    return result;
   }
 }
 
@@ -96,7 +106,7 @@ async function main() {
   console.log("wallet pk: ", wallet.publicKey);
 
   const skBytes: Uint8Array = ethers.utils.arrayify(SecretKey);
-  console.log("arraify: ", skBytes);
+  console.log("arrayify: ", skBytes);
 
   await startFluencePeer(skBytes);
 

src/local_db.ts

@@ -63,7 +63,7 @@ export async function create_table(db: sqlite.Database) {
     return promise;
 }
 
-export async function insert_event(db: any, eip_obj: any, response_obj: Response, signed_msg: string) {
+export async function insert_event(db: sqlite.Database, eip_obj: any, response_obj: Response, signed_msg: string) {
     const stmt = `insert into snapshot values (?, ?, ?, ?, ?, ?, ?, ?, ?)`;
     var ins_vals = [eip_obj.data.message.snapshot, eip_obj.address, eip_obj.sig, JSON.stringify(eip_obj.data), response_obj.peer_id, response_obj.timestamp, response_obj.eip_validation, response_obj.ts_validation, signed_msg];
     let promise = new Promise<void>((resolve, reject) => db.run(stmt, ins_vals, (res: sqlite.RunResult, err: Error) => {
@@ -93,7 +93,7 @@ export function select_event(snapshot_id: number): any {
             ? console.log(row)
             : console.log(`No record found for snapshot id: ${snapshot_id}`);
     });
-    // db.close();
+    db.close();
 };
 
 // export function select_events(): Array<DBRecord> {
@@ -102,23 +102,28 @@ export function select_events(): any {
     // todo: add pagination
     const stmt = 'select * from snapshot limit ?';
     console.log("select events stmt: ", stmt);
-    var response_arr: Array<DBRecord>;
-    db.all(stmt, [100], (err, rows) => {
-        // db.close();
+    var response_arr = new Array<DBRecord>();
+    const select = db.all(stmt, [100], (err, rows) => {
+        console.log("number of rows: ", rows.length);
         if (err) {
             // todo: no good, change that.
             console.error(err.message);
             return [];
         }
-        for (var row of rows) {
-            const _row: DBRecord = row;
-            console.log("row: ", row);
-            // response_arr.push(_row);
-        };
-        return response_arr;
-    });
+        else {
+            for (var row of rows) {
+                const _row: DBRecord = row;
+                response_arr.push(_row);
 
+            };
+            console.log("len resp array in db all: ", response_arr.length);
+            return response_arr;
+        }
+    });
+    // console.log("select: ", select);
     // db.close();
+    // console.log("len resp array out of db all: ", response_arr);
+    // return response_arr;
 }