add handleAddGiver call handler

subgraph/build/schema.graphql

@@ -32,6 +32,7 @@ type Pledge @entity {
      intendedProject: BigInt!
      pledgeState: Int!
      creationTime: BigInt!
+     oldPledge: Pledge
 }
 
 type ProjectInfo @entity {

subgraph/build/subgraph.yaml

@@ -45,6 +45,8 @@ dataSources:
       callHandlers:
         - function: addProject(string,string,address,uint64,uint64,address)
           handler: handleAddProject
+        - function: addGiver(address,string,string,uint64,address)
+          handler: handleAddGiver
         - function: donate(uint64,uint64,address,uint256)
           handler: handleDonate
       file: Contract/Contract.wasm

subgraph/generated/schema.ts

@@ -335,6 +335,23 @@ export class Pledge extends Entity {
   set creationTime(value: BigInt) {
     this.set("creationTime", Value.fromBigInt(value));
   }
+
+  get oldPledge(): string | null {
+    let value = this.get("oldPledge");
+    if (value === null) {
+      return null;
+    } else {
+      return value.toString();
+    }
+  }
+
+  set oldPledge(value: string | null) {
+    if (value === null) {
+      this.unset("oldPledge");
+    } else {
+      this.set("oldPledge", Value.fromString(value as string));
+    }
+  }
 }
 
 export class ProjectInfo extends Entity {

subgraph/schema.graphql

@@ -32,6 +32,7 @@ type Pledge @entity {
      intendedProject: BigInt!
      pledgeState: Int!
      creationTime: BigInt!
+     oldPledge: Pledge
 }
 
 type ProjectInfo @entity {

subgraph/src/mapping.ts

@@ -10,11 +10,30 @@ import {
   ProjectAdded,
   ProjectUpdated,
   AddProjectCall,
+  AddGiverCall,
   DonateCall,
   AddGiverAndDonateCall,
 } from "../generated/Contract/Contract"
 import { Profile, PledgesInfo, Pledge, ProjectInfo } from "../generated/schema"
 
+export function handleAddGiver(call: AddGiverCall): void {
+    log.info(
+        'handleAddGiver triggered. idGiver: {}',
+        [call.outputs.idGiver.toString()]
+    )
+    let id = call.outputs.idGiver
+    let timestamp = call.block.timestamp
+    let profile = new Profile(id.toHex())
+    profile.url = call.inputs.url
+    profile.name = call.inputs.name
+    profile.addr = call.inputs.addr
+    profile.commitTime = call.inputs.commitTime
+    profile.canceled = false
+    profile.type = 'GIVER'
+    profile.profileId = id
+    profile.creationTime = timestamp
+    profile.save()
+}
 
 export function handleAddProject(call: AddProjectCall): void {
     let id = call.outputs.idProject
@@ -211,6 +230,7 @@ function createOrUpdatePledge(event: Transfer): void {
     toPledge.pledgeState = pledgeState
     toPledge.nDelegates = ndelegates
     toPledge.creationTime = timestamp
+    toPledge.oldPledge = event.params.from.toHex()
     toPledge.save()
 }
 
@@ -262,10 +282,10 @@ export function handleTransfer(event: Transfer): void {
   // - contract.vault(...)
 }
 
-export function handleCancelProject(event: CancelProject): void {}
-
 export function handleGiverAdded(event: GiverAdded): void {}
 
+export function handleCancelProject(event: CancelProject): void {}
+
 export function handleGiverUpdated(event: GiverUpdated): void {}
 
 export function handleDelegateAdded(event: DelegateAdded): void {}

subgraph/subgraph.yaml

@@ -45,6 +45,8 @@ dataSources:
       callHandlers:
         - function: addProject(string,string,address,uint64,uint64,address)
           handler: handleAddProject
+        - function: addGiver(address,string,string,uint64,address)
+          handler: handleAddGiver
         - function: donate(uint64,uint64,address,uint256)
           handler: handleDonate
       file: ./src/mapping.ts