From 27e4f09faa5d1415335de08b87b3c207bfe36150 Mon Sep 17 00:00:00 2001
From: Ed Noepel <46749157+EdNoepel@users.noreply.github.com>
Date: Tue, 15 Aug 2023 07:18:34 -0400
Subject: [PATCH] Burn Wrapper (#50)

* update for rc7 testnet

* burnwrapper

* manually adjusted ABI to correct event names

* only handle mints
---
 abis/BurnWrappedAjna.json | 246 ++++++++++++++++++++++++++++++++++++++
 add-commands.txt          |   5 +-
 local/docker-compose.yml  |   2 +-
 networks.json             |  25 +++-
 schema.graphql            |  14 +++
 src/burn-wrapped-ajna.ts  |  25 ++++
 subgraph.yaml             |  59 ++++++---
 7 files changed, 350 insertions(+), 26 deletions(-)
 create mode 100644 abis/BurnWrappedAjna.json
 create mode 100644 src/burn-wrapped-ajna.ts

diff --git a/abis/BurnWrappedAjna.json b/abis/BurnWrappedAjna.json
new file mode 100644
index 0000000..63f9b2d
--- /dev/null
+++ b/abis/BurnWrappedAjna.json
@@ -0,0 +1,246 @@
+[
+  {
+    "inputs": [
+      {
+        "internalType": "contract IERC20",
+        "name": "wrappedToken",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "constructor"
+  },
+  { "inputs": [], "name": "InvalidWrappedToken", "type": "error" },
+  { "inputs": [], "name": "UnwrapNotAllowed", "type": "error" },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "owner",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "spender",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "Approval",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "from",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "Transfer",
+    "type": "event"
+  },
+  {
+    "inputs": [],
+    "name": "DOMAIN_SEPARATOR",
+    "outputs": [{ "internalType": "bytes32", "name": "", "type": "bytes32" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "owner", "type": "address" },
+      { "internalType": "address", "name": "spender", "type": "address" }
+    ],
+    "name": "allowance",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "spender", "type": "address" },
+      { "internalType": "uint256", "name": "amount", "type": "uint256" }
+    ],
+    "name": "approve",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "account", "type": "address" }
+    ],
+    "name": "balanceOf",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "uint256", "name": "amount", "type": "uint256" }
+    ],
+    "name": "burn",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "account", "type": "address" },
+      { "internalType": "uint256", "name": "amount", "type": "uint256" }
+    ],
+    "name": "burnFrom",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "decimals",
+    "outputs": [{ "internalType": "uint8", "name": "", "type": "uint8" }],
+    "stateMutability": "pure",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "spender", "type": "address" },
+      {
+        "internalType": "uint256",
+        "name": "subtractedValue",
+        "type": "uint256"
+      }
+    ],
+    "name": "decreaseAllowance",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "account", "type": "address" },
+      { "internalType": "uint256", "name": "amount", "type": "uint256" }
+    ],
+    "name": "depositFor",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "spender", "type": "address" },
+      { "internalType": "uint256", "name": "addedValue", "type": "uint256" }
+    ],
+    "name": "increaseAllowance",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "name",
+    "outputs": [{ "internalType": "string", "name": "", "type": "string" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "owner", "type": "address" }
+    ],
+    "name": "nonces",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "owner", "type": "address" },
+      { "internalType": "address", "name": "spender", "type": "address" },
+      { "internalType": "uint256", "name": "value", "type": "uint256" },
+      { "internalType": "uint256", "name": "deadline", "type": "uint256" },
+      { "internalType": "uint8", "name": "v", "type": "uint8" },
+      { "internalType": "bytes32", "name": "r", "type": "bytes32" },
+      { "internalType": "bytes32", "name": "s", "type": "bytes32" }
+    ],
+    "name": "permit",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "symbol",
+    "outputs": [{ "internalType": "string", "name": "", "type": "string" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "totalSupply",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "to", "type": "address" },
+      { "internalType": "uint256", "name": "amount", "type": "uint256" }
+    ],
+    "name": "transfer",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "from", "type": "address" },
+      { "internalType": "address", "name": "to", "type": "address" },
+      { "internalType": "uint256", "name": "amount", "type": "uint256" }
+    ],
+    "name": "transferFrom",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "underlying",
+    "outputs": [
+      { "internalType": "contract IERC20", "name": "", "type": "address" }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "", "type": "address" },
+      { "internalType": "uint256", "name": "", "type": "uint256" }
+    ],
+    "name": "withdrawTo",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "pure",
+    "type": "function"
+  }
+]
diff --git a/add-commands.txt b/add-commands.txt
index f57635c..beab5b2 100644
--- a/add-commands.txt
+++ b/add-commands.txt
@@ -17,4 +17,7 @@ graph add 0xEd6890d748e62ddbb3f80e7256Deeb2fBb853476 --abi ../contracts/forge_ou
 graph add 0xaeB91e664A49829FaBf06BE35d4447938d83A271 --abi ../ecosystem-coordination/out/GrantFund.sol/GrantFund.json --contract-name GrantFund
 
 # Goerli AjnaToken
-graph add 0xaadebCF61AA7Da0573b524DE57c67aDa797D46c5 --abi ../ecosystem-coordination/out/AjnaToken.sol/AjnaToken.json --contract-name AjnaToken
\ No newline at end of file
+graph add 0xaadebCF61AA7Da0573b524DE57c67aDa797D46c5 --abi ../ecosystem-coordination/out/AjnaToken.sol/AjnaToken.json --contract-name AjnaToken
+
+# Goerli BurnWrapper
+graph add 0xE38DFd7aB36806B882bD7332a8aE454f2273D015 --abi ../ecosystem-coordination/out/BurnWrapper.sol/BurnWrappedAjna.json --contract-name BurnWrappedAjna
\ No newline at end of file
diff --git a/local/docker-compose.yml b/local/docker-compose.yml
index 3623893..e90ee03 100644
--- a/local/docker-compose.yml
+++ b/local/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3.7'
 
 services:
   ajna-testnet:
-    image: ghcr.io/ajna-finance/ajna-testnet:rc6
+    image: ghcr.io/ajna-finance/ajna-testnet:rc7
     ports:
       - 8555:8555
     container_name: ajna-testnet-devenv
diff --git a/networks.json b/networks.json
index 57bff8d..ea3c0c3 100644
--- a/networks.json
+++ b/networks.json
@@ -23,6 +23,10 @@
     "AjnaToken": {
       "address": "0x9a96ec9B57Fb64FbC60B423d1f4da7691Bd35079",
       "startBlock": 17622995
+    },
+    "BurnWrappedAjna": {
+      "address": "0x936Ab482d6bd111910a42849D3A51Ff80BB0A711",
+      "startBlock": 17913208
     }
   },
   "goerli": {
@@ -49,6 +53,10 @@
     "AjnaToken": {
       "address": "0xaadebCF61AA7Da0573b524DE57c67aDa797D46c5",
       "startBlock": 9297080
+    },
+    "BurnWrappedAjna": {
+      "address": "0xE38DFd7aB36806B882bD7332a8aE454f2273D015",
+      "startBlock": 9445944
     }
   },
   "mumbai": {
@@ -75,31 +83,38 @@
     "AjnaToken": {
       "address": "0x5BC519744f3f0b324E3D5c031e6D18326FD0e8ce",
       "startBlock": 38580888
+    },
+    "BurnWrappedAjna": {
+      "address": "0x0000000000000000000000000000000000000000",
+      "startBlock": 38580888
     }
   },
   "ganache": {
     "ERC20PoolFactory": {
-      "address": "0xD86c4A8b172170Da0d5C0C1F12455bA80Eaa42AD",
+      "address": "0x9617ABE221F9A9c492D5348be56aef4Db75A692d",
       "startBlock": 0
     },
     "ERC721PoolFactory": {
-      "address": "0x9617ABE221F9A9c492D5348be56aef4Db75A692d",
+      "address": "0x4f05DA51eAAB00e5812c54e370fB95D4C9c51F21",
       "startBlock": 0
     },
     "PositionManager": {
-      "address": "0x6c5c7fD98415168ada1930d44447790959097482",
+      "address": "0x6548dF23A854f72335902e58a1e59B50bb3f11F1",
       "startBlock": 0
     },
     "RewardsManager": {
-      "address": "0x6548dF23A854f72335902e58a1e59B50bb3f11F1",
+      "address": "0xdF7403003a16c49ebA5883bB5890d474794cea5a",
       "startBlock": 0
     },
     "GrantFund": {
-      "address": "0xE340B87CEd1af1AbE1CE8D617c84B7f168e3b18b",
+      "address": "0x0b3A0ea1Fc7207d3e3ed9973025dA9d0e8fb0F3f",
       "startBlock": 0
     },
     "AjnaToken": {
       "address": "0x25Af17eF4E2E6A4A2CE586C9D25dF87FD84D4a7d"
+    },
+    "BurnWrappedAjna": {
+      "address": "0xE340B87CEd1af1AbE1CE8D617c84B7f168e3b18b"
     }
   }
 }
\ No newline at end of file
diff --git a/schema.graphql b/schema.graphql
index b4c30d7..7444570 100644
--- a/schema.graphql
+++ b/schema.graphql
@@ -753,6 +753,20 @@ type RedeemPosition @entity(immutable: true) {
   transactionHash: Bytes!
 }
 
+  # # # # # # # # # # # #
+  # BURN WRAPPER EVENTS #
+  # # # # # # # # # # # #
+
+type BurnWrap @entity(immutable: true) {
+  id: Bytes!
+  wrapper: Bytes!     # address
+  account: Account    # null if does not already exist
+  amount: BigDecimal! # uint256
+  blockNumber: BigInt!
+  blockTimestamp: BigInt!
+  transactionHash: Bytes!
+}
+
   # # # # # # # # # # # # # # #
   # REWARDS MANAGER ENTITIES  #
   # # # # # # # # # # # # # # #
diff --git a/src/burn-wrapped-ajna.ts b/src/burn-wrapped-ajna.ts
new file mode 100644
index 0000000..7e41a85
--- /dev/null
+++ b/src/burn-wrapped-ajna.ts
@@ -0,0 +1,25 @@
+import {
+  Transfer as TransferEvent
+} from "../generated/BurnWrappedAjna/BurnWrappedAjna"
+import { BurnWrap } from "../generated/schema"
+import { ZERO_ADDRESS } from "./utils/constants"
+import { addressToBytes, wadToDecimal } from "./utils/convert"
+
+export function handleTransfer(
+  event: TransferEvent
+): void {
+  if (event.params.from == ZERO_ADDRESS) {
+    let entity = new BurnWrap(
+      event.transaction.hash.concatI32(event.logIndex.toI32())
+    )
+    entity.wrapper = event.params.to
+    entity.account = addressToBytes(event.params.from)
+    entity.amount =  wadToDecimal(event.params.value)
+
+    entity.blockNumber = event.block.number
+    entity.blockTimestamp = event.block.timestamp
+    entity.transactionHash = event.transaction.hash
+
+    entity.save()
+  }
+}
diff --git a/subgraph.yaml b/subgraph.yaml
index 533b673..fb957cb 100644
--- a/subgraph.yaml
+++ b/subgraph.yaml
@@ -6,8 +6,8 @@ dataSources:
     name: PositionManager
     source:
       abi: PositionManager
-      address: "0x6c5c7fD98415168ada1930d44447790959097482"
-      startBlock: 0
+      address: "0x23E2EFF19bd50BfCF0364B7dCA01004D5cce41f9"
+      startBlock: 9289397
     mapping:
       kind: ethereum/events
       apiVersion: 0.0.7
@@ -46,13 +46,13 @@ dataSources:
         - event: Transfer(indexed address,indexed address,indexed uint256)
           handler: handleTransfer
       file: ./src/position-manager.ts
-    network: ganache
+    network: goerli
   - kind: ethereum
     name: ERC20PoolFactory
     source:
       abi: ERC20PoolFactory
-      address: "0xD86c4A8b172170Da0d5C0C1F12455bA80Eaa42AD"
-      startBlock: 0
+      address: "0x01Da8a85A5B525D476cA2b51e44fe7087fFafaFF"
+      startBlock: 9289397
     mapping:
       kind: ethereum/events
       apiVersion: 0.0.7
@@ -72,13 +72,13 @@ dataSources:
         - event: PoolCreated(address)
           handler: handlePoolCreated
       file: ./src/erc-20-pool-factory.ts
-    network: ganache
+    network: goerli
   - kind: ethereum
     name: RewardsManager
     source:
       abi: RewardsManager
-      address: "0x6548dF23A854f72335902e58a1e59B50bb3f11F1"
-      startBlock: 0
+      address: "0x994dE190dd763Af3126FcC8EdC139275937d800b"
+      startBlock: 9289397
     mapping:
       kind: ethereum/events
       apiVersion: 0.0.7
@@ -107,13 +107,13 @@ dataSources:
         - event: UpdateExchangeRates(indexed address,indexed address,uint256[],uint256)
           handler: handleUpdateExchangeRates
       file: ./src/rewards-manager.ts
-    network: ganache
+    network: goerli
   - kind: ethereum
     name: ERC721PoolFactory
     source:
       abi: ERC721PoolFactory
-      address: "0x9617ABE221F9A9c492D5348be56aef4Db75A692d"
-      startBlock: 0
+      address: "0x37048D43A65748409B04f4051eEd9480BEf68c82"
+      startBlock: 9289397
     mapping:
       kind: ethereum/events
       apiVersion: 0.0.7
@@ -135,13 +135,13 @@ dataSources:
         - event: PoolCreated(address)
           handler: handlePoolCreated
       file: ./src/erc-721-pool-factory.ts
-    network: ganache
+    network: goerli
   - kind: ethereum
     name: GrantFund
     source:
       abi: GrantFund
-      address: "0xE340B87CEd1af1AbE1CE8D617c84B7f168e3b18b"
-      startBlock: 0
+      address: "0x881b4dFF6C72babA6f5eA60f34A61410c1EA1ec2"
+      startBlock: 9297080
     mapping:
       kind: ethereum/events
       apiVersion: 0.0.7
@@ -173,13 +173,14 @@ dataSources:
         - event: VoteCast(indexed address,uint256,uint8,uint256,string)
           handler: handleVoteCast
       file: ./src/grant-fund.ts
-    network: ganache
+    network: goerli
   - kind: ethereum
     name: AjnaToken
-    network: ganache
+    network: goerli
     source:
       abi: AjnaToken
-      address: "0x25Af17eF4E2E6A4A2CE586C9D25dF87FD84D4a7d"
+      address: "0xaadebCF61AA7Da0573b524DE57c67aDa797D46c5"
+      startBlock: 9297080
     mapping:
       kind: ethereum/events
       apiVersion: 0.0.7
@@ -196,6 +197,26 @@ dataSources:
         - event: DelegateVotesChanged(indexed address,uint256,uint256)
           handler: handleDelegateVotesChanged
       file: ./src/ajna-token.ts
+  - kind: ethereum
+    name: BurnWrappedAjna
+    network: goerli
+    source:
+      abi: BurnWrappedAjna
+      address: "0xE38DFd7aB36806B882bD7332a8aE454f2273D015"
+      startBlock: 9445944
+    mapping:
+      kind: ethereum/events
+      apiVersion: 0.0.7
+      language: wasm/assemblyscript
+      entities:
+        - BurnWrap
+      abis:
+        - name: BurnWrappedAjna
+          file: ./abis/BurnWrappedAjna.json
+      eventHandlers:
+        - event: Transfer(indexed address,indexed address,uint256)
+          handler: handleTransfer
+      file: ./src/burn-wrapped-ajna.ts
 templates:
   - kind: ethereum
     name: ERC20Pool
@@ -299,7 +320,7 @@ templates:
         - event: UpdateInterestRate(uint256,uint256)
           handler: handleUpdateInterestRate
       file: ./src/erc-20-pool.ts
-    network: ganache
+    network: goerli
   - kind: ethereum
     name: ERC721Pool
     source:
@@ -407,4 +428,4 @@ templates:
         - event: UpdateInterestRate(uint256,uint256)
           handler: handleUpdateInterestRate
       file: ./src/erc-721-pool.ts
-    network: ganache
+    network: goerli