feat: index liquidation state timings

schema.graphql

@@ -143,6 +143,8 @@ type Vault @entity {
  debt: BigInt
  state: String
  wallet: Wallet!
+ liquidatingAt: Date
+ liquidatedAt: Date 
 }
 
 type VaultManagerMetrics @entity {

src/mappings/constants.ts

@@ -16,9 +16,15 @@ export const EVENT_TYPES = {
  STATE_CHANGE: "state_change",
  STORAGE: "storage",
  SUBMIT_PROPOSAL: "submit_proposal",
- TRANSFER: "transfer",
+ TRANSFER: "transfer"
+
 };
 
+export const VAULT_STATES = {
+ LIQUIDATING: "liquidating",
+ LIQUIDATED: "liquidated"
+}
+
 export const VALUE_KEY = b64encode("value");
 export const STORE_KEY = b64encode("store");
 export const VSTORAGE_VALUE = b64encode("vstorage");

src/mappings/events/vaults.ts

@@ -1,4 +1,5 @@
 import { VaultManagerMetrics, VaultManagerMetricsDaily, VaultManagerGovernance, Wallet, Vault } from "../../types";
+import { VAULT_STATES } from "../constants";
 import { dateToDayKey, extractBrand } from "../utils";
 
 export const vaultsEventKit = (block: any, data: any, module: string, path: string) => {
@@ -55,6 +56,14 @@ export const vaultsEventKit = (block: any, data: any, module: string, path: stri
  vault.debt = payload?.debtSnapshot?.debt?.__value;
  vault.balance = payload?.locked?.__value;
  vault.state = payload?.vaultState;
+
+ if (vault.state === VAULT_STATES.LIQUIDATING && !vault.liquidatingAt) {
+ vault.liquidatingAt = block.block.header.time;
+ }
+
+ if (vault.state === VAULT_STATES.LIQUIDATED && !vault.liquidatedAt) {
+ vault.liquidatedAt = block.block.header.time;
+ }
  return [vault.save()];
  }