Add table operation_log to rollup

migrations/rollup_state/20211202065806_operation_log.sql

@@ -0,0 +1,8 @@
+-- Add migration script here
+
+CREATE TABLE operation_log (
+    id BIGINT CHECK (id >= 0) NOT NULL PRIMARY KEY,
+    time TIMESTAMP(0) NOT NULL,
+    method TEXT NOT NULL,
+    params TEXT NOT NULL
+);

src/db/models/mod.rs

@@ -3,6 +3,7 @@ cfg_if::cfg_if! {
         mod rollup_state;
         pub use rollup_state::account;
         pub use rollup_state::l2_block;
+        pub use rollup_state::operation_log;
         pub use rollup_state::tablenames;
         pub use rollup_state::task;
     }

src/db/models/rollup_state/mod.rs

@@ -1,9 +1,11 @@
 pub mod tablenames {
     pub const ACCOUNT: &str = "account";
     pub const L2_BLOCK: &str = "l2block";
+    pub const OPERATION_LOG: &str = "operation_log";
     pub const TASK: &str = "task";
 }
 
 pub mod account;
 pub mod l2_block;
+pub mod operation_log;
 pub mod task;

src/db/models/rollup_state/operation_log.rs

@@ -0,0 +1,10 @@
+use crate::db::TimestampDbType;
+use serde::{Deserialize, Serialize};
+
+#[derive(sqlx::FromRow, Debug, Clone, Serialize, Deserialize)]
+pub struct OperationLog {
+    pub id: i64,
+    pub time: TimestampDbType,
+    pub method: String,
+    pub params: String, // TODO: change it to jsonb
+}