fix(subgraph): set non-nullable field totalStake when creating user

Author: alcercu

subgraph/src/KlerosCore.ts

@@ -26,7 +26,7 @@ import {
   updateRedistributedPNK,
   getDelta,
 } from "./datapoint";
-import { ensureUser } from "./entities/Juror";
+import { ensureUser } from "./entities/User";
 import {
   ensureJurorTokensPerCourt,
   updateJurorStake,

subgraph/src/entities/JurorTokensPerCourt.ts

@@ -2,7 +2,7 @@ import { BigInt, Address } from "@graphprotocol/graph-ts";
 import { KlerosCore } from "../../generated/KlerosCore/KlerosCore";
 import { Court, JurorTokensPerCourt } from "../../generated/schema";
 import { updateActiveJurors, getDelta } from "../datapoint";
-import { ensureUser } from "./Juror";
+import { ensureUser } from "./User";
 import { ZERO } from "../utils";
 
 export function ensureJurorTokensPerCourt(

subgraph/src/entities/Juror.ts subgraph/src/entities/User.tssubgraph/src/entities/Juror.ts renamed to subgraph/src/entities/User.ts

@@ -1,4 +1,5 @@
 import { User } from "../../generated/schema";
+import { ZERO } from "../utils";
 
 export function ensureUser(id: string): User {
   let user = User.load(id);
@@ -12,6 +13,7 @@ export function ensureUser(id: string): User {
 
 export function createUserFromAddress(id: string): User {
   const user = new User(id);
+  user.totalStake = ZERO;
   user.save();
 
   return user;