Merge pull request #29 from maticnetwork/new-delegator-unbond-events

Delegator unbond events with Id handled. Delegated Amount deduction m…
maticnetwork · Mar 22, 2021 · 9b1e397 · 9b1e397
2 parents ab11033 + 9ef5259
commit 9b1e397
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Showing 3 changed files with 173 additions and 3 deletions.
diff --git a/root/abis/StakingInfo.json b/root/abis/StakingInfo.json
@@ -155,6 +155,37 @@
     "name": "DelegatorUnstaked",
     "type": "event"
   },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "uint256",
+        "name": "validatorId",
+        "type": "uint256"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "user",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "nonce",
+        "type": "uint256"
+      }
+    ],
+    "name": "DelegatorUnstakeWithId",
+    "type": "event"
+  },
   {
     "anonymous": false,
     "inputs": [
@@ -312,6 +343,43 @@
     "name": "ShareBurned",
     "type": "event"
   },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "uint256",
+        "name": "validatorId",
+        "type": "uint256"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "user",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "tokens",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "nonce",
+        "type": "uint256"
+      }
+    ],
+    "name": "ShareBurnedWithId",
+    "type": "event"
+  },
   {
     "anonymous": false,
     "inputs": [
@@ -1351,6 +1419,41 @@
     "stateMutability": "nonpayable",
     "type": "function"
   },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "validatorId",
+        "type": "uint256"
+      },
+      {
+        "internalType": "address",
+        "name": "user",
+        "type": "address"
+      },
+      {
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint256",
+        "name": "tokens",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint256",
+        "name": "nonce",
+        "type": "uint256"
+      }
+    ],
+    "name": "logShareBurnedWithId",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
   {
     "constant": false,
     "inputs": [
@@ -1426,6 +1529,36 @@
     "stateMutability": "nonpayable",
     "type": "function"
   },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "validatorId",
+        "type": "uint256"
+      },
+      {
+        "internalType": "address",
+        "name": "user",
+        "type": "address"
+      },
+      {
+        "internalType": "uint256",
+        "name": "amount",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint256",
+        "name": "nonce",
+        "type": "uint256"
+      }
+    ],
+    "name": "logDelegatorUnstakedWithId",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
   {
     "constant": false,
     "inputs": [

diff --git a/root/src/mappings/staking-info.ts b/root/src/mappings/staking-info.ts
@@ -11,12 +11,14 @@ import {
   ClaimRewards,
   DelegatorClaimedRewards,
   DelegatorUnstaked,
+  DelegatorUnstakeWithId,
   DynastyValueChange,
   Jailed,
   OwnershipTransferred,
   ProposerBonusChange,
   Restaked,
   ShareBurned,
+  ShareBurnedWithId,
   ShareMinted,
   SignerChange,
   StakeUpdate,
@@ -277,6 +279,30 @@ export function handleShareBurned(event: ShareBurned): void {
   delegator.unclaimedAmount = delegator.unclaimedAmount.plus(event.params.amount)
   // this works until tokens are not transaferable
   delegator.tokens = delegator.tokens.minus(event.params.tokens)
+  delegator.delegatedAmount = delegator.delegatedAmount.minus(event.params.amount)
+
+  // save entity
+  delegator.save()
+
+  // -- Also updating delegated stake for validator
+  let validator = loadValidator(event.params.validatorId)
+
+  validator.delegatedStake = validator.delegatedStake.minus(event.params.amount)
+
+  validator.save()
+  // -- Saving updation
+}
+
+export function handleShareBurnedWithId(event: ShareBurnedWithId): void {
+  let delegator = loadDelegator(event.params.validatorId, event.params.user)
+
+  // update claimedAmount and tokens
+  // it is possible to have: claimed amount < amount (when slashing happens)
+  // that's why having claimedAmount would be better
+  delegator.unclaimedAmount = delegator.unclaimedAmount.plus(event.params.amount)
+  // this works until tokens are not transaferable
+  delegator.tokens = delegator.tokens.minus(event.params.tokens)
+  delegator.delegatedAmount = delegator.delegatedAmount.minus(event.params.amount)
 
   // save entity
   delegator.save()
@@ -298,9 +324,16 @@ export function handleDelegatorUnstaked(event: DelegatorUnstaked): void {
   // update claimed amount
   delegator.claimedAmount = delegator.claimedAmount.plus(event.params.amount)
 
-  // As delegator just unstaked, we can decrement their delegatedAmount i.e.
-  // `stake` as it's described in `staking-api`
-  delegator.delegatedAmount = delegator.delegatedAmount.minus(event.params.amount)
+  delegator.save()
+}
+
+export function handleDelegatorUnstakeWithId(event: DelegatorUnstakeWithId): void {
+  let delegator = loadDelegator(event.params.validatorId, event.params.user)
+
+  // update unclaimed amount by deducting total unclaimed amount
+  delegator.unclaimedAmount = delegator.unclaimedAmount.minus(event.params.amount)
+  // update claimed amount
+  delegator.claimedAmount = delegator.claimedAmount.plus(event.params.amount)
 
   delegator.save()
 }

diff --git a/root/subgraph.template.yaml b/root/subgraph.template.yaml
@@ -157,6 +157,8 @@ dataSources:
         #   handler: handleDelegatorRestaked
         - event: DelegatorUnstaked(indexed uint256,indexed address,uint256)
           handler: handleDelegatorUnstaked
+        - event: DelegatorUnstakeWithId(indexed uint256,indexed address,uint256,uint256)
+          handler: handleDelegatorUnstakeWithId
         - event: DynastyValueChange(uint256,uint256)
           handler: handleDynastyValueChange
         - event: Jailed(indexed uint256,indexed uint256,indexed address)
@@ -170,6 +172,8 @@ dataSources:
         # - event: RewardUpdate(uint256,uint256)
         - event: ShareBurned(indexed uint256,indexed address,indexed uint256,uint256)
           handler: handleShareBurned
+        - event: ShareBurnedWithId(indexed uint256,indexed address,indexed uint256,uint256,uint256)
+          handler: handleShareBurnedWithId
         - event: ShareMinted(indexed uint256,indexed address,indexed uint256,uint256)
           handler: handleShareMinted
         - event: SignerChange(indexed uint256,uint256,indexed address,indexed address,bytes)