diff --git a/.env.example b/.env.example
index 47cd384..34e73b5 100644
--- a/.env.example
+++ b/.env.example
@@ -1,5 +1,5 @@
-NETWORK_NAME=testnet
+NETWORK_NAME=MAINNET
 JSONRPC_ENDPOINT=https://3.138.194.94:443
 
 # TODO: Extract the start block number from the receipt
-START_BLOCK_NUMBER=14265505
+START_BLOCK_NUMBER_MAINNET=14265505
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 36eb1cd..0589083 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,8 +15,8 @@ jobs:
     name: Builds the subgraph to ensure it compiles correctly
     runs-on: ubuntu-latest
     env:
-      NETWORK_NAME: mainnet
-      START_BLOCK_NUMBER: 14265505
+      NETWORK_NAME: MAINNET
+      START_BLOCK_NUMBER_MAINNET: 17265505
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
@@ -58,8 +58,8 @@ jobs:
     runs-on: ubuntu-latest
     if: github.ref == 'refs/heads/dev'
     env:
-      NETWORK_NAME: mainnet
-      START_BLOCK_NUMBER: 14265505
+      NETWORK_NAME: MAINNET
+      START_BLOCK_NUMBER_MAINNET: 17265505
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
@@ -104,8 +104,8 @@ jobs:
     runs-on: ubuntu-latest
     if: github.ref == 'refs/heads/main'
     env:
-      NETWORK_NAME: mainnet
-      START_BLOCK_NUMBER: 14265505
+      NETWORK_NAME: MAINNET
+      START_BLOCK_NUMBER_MAINNET: 17265505
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
diff --git a/manifests/manifest.eth.ts b/manifests/manifest.eth.ts
index a94daa0..43018b8 100644
--- a/manifests/manifest.eth.ts
+++ b/manifests/manifest.eth.ts
@@ -24,7 +24,7 @@ export default {
     createTransmuter('TransmuterV2_ETH'),
     createTransmuterBuffer('TransmuterBuffer_alUSD'),
     createTransmuterBuffer('TransmuterBuffer_alETH'),
-    createThreePoolAssetManager('ThreePoolAssetManager_alUSD', 14543500, '0x9735F7d3Ea56b454b24fFD74C58E9bD85cfaD31B'),
+    createThreePoolAssetManager('ThreePoolAssetManager_alUSD', 17265505, '0x9735F7d3Ea56b454b24fFD74C58E9bD85cfaD31B'),
     createEthAssetManager('EthAssetManager', 14573961, '0xe761bf731A06fE8259FeE05897B2687D56933110'),
     createMetaPool('alUSDMetaPool', '0x43b4fdfd4ff969587185cdb6f0bd875c5fc83f8c', 11955332),
     createFactoryPool('alETHFactoryPool', '0xc4c319e2d4d66cca4464c0c2b32c9bd23ebe784e', 13227440),
diff --git a/sources/Alchemist.ts b/sources/Alchemist.ts
index 07a552e..665e54a 100644
--- a/sources/Alchemist.ts
+++ b/sources/Alchemist.ts
@@ -36,7 +36,7 @@ export function createAlchemist(
     source: {
       abi: 'Alchemist',
       address,
-      startBlock: 16265505,
+      startBlock: startBlockNumber,
     },
   };
 }
diff --git a/sources/EthAssetManager.ts b/sources/EthAssetManager.ts
index 25acda6..effb170 100644
--- a/sources/EthAssetManager.ts
+++ b/sources/EthAssetManager.ts
@@ -36,7 +36,7 @@ export function createEthAssetManager(
     source: {
       abi: 'EthAssetManager',
       address,
-      startBlock: 16265505,
+      startBlock: startBlockNumber,
     },
   };
 }
diff --git a/sources/FactoryPool.ts b/sources/FactoryPool.ts
index f30487a..0abb6e5 100644
--- a/sources/FactoryPool.ts
+++ b/sources/FactoryPool.ts
@@ -1,12 +1,12 @@
 import { utils } from 'ethers';
 import { eventDeclarations } from './utils/abis';
-import { networkName } from './utils/constants';
+import { networkName, startBlockNumber } from './utils/constants';
 import { DataSource } from './utils/types';
 
 const FactoryPoolInterface = new utils.Interface(require('../abis/FactoryPool.json'));
 const FactoryPoolEvents = Object.values(FactoryPoolInterface.events);
 
-export function createFactoryPool(name: string, address: string, block: number): DataSource {
+export function createFactoryPool(name: string, address: string, block: number = startBlockNumber): DataSource {
   return {
     name,
     network: networkName,
@@ -32,7 +32,7 @@ export function createFactoryPool(name: string, address: string, block: number):
     source: {
       abi: 'FactoryPool',
       address,
-      startBlock: 16265505,
+      startBlock: startBlockNumber,
     },
   };
 }
diff --git a/sources/MetaPool.ts b/sources/MetaPool.ts
index 2fc8a13..e47543e 100644
--- a/sources/MetaPool.ts
+++ b/sources/MetaPool.ts
@@ -1,12 +1,12 @@
 import { utils } from 'ethers';
 import { eventDeclarations } from './utils/abis';
-import { networkName } from './utils/constants';
+import { networkName, startBlockNumber } from './utils/constants';
 import { DataSource } from './utils/types';
 
 const MetaPoolInterface = new utils.Interface(require('../abis/MetaPool.json'));
 const MetaPoolEvents = Object.values(MetaPoolInterface.events);
 
-export function createMetaPool(name: string, address: string, block: number): DataSource {
+export function createMetaPool(name: string, address: string, block: number = startBlockNumber): DataSource {
   return {
     name,
     network: networkName,
@@ -32,7 +32,7 @@ export function createMetaPool(name: string, address: string, block: number): Da
     source: {
       abi: 'MetaPool',
       address,
-      startBlock: 16265505,
+      startBlock: startBlockNumber,
     },
   };
 }
diff --git a/sources/ThreePoolAssetManager.ts b/sources/ThreePoolAssetManager.ts
index 29d4840..7240ac4 100644
--- a/sources/ThreePoolAssetManager.ts
+++ b/sources/ThreePoolAssetManager.ts
@@ -36,7 +36,7 @@ export function createThreePoolAssetManager(
     source: {
       abi: 'ThreePoolAssetManager',
       address,
-      startBlock: 16265505,
+      startBlock: startBlockNumber,
     },
   };
 }
diff --git a/sources/Transmuter.ts b/sources/Transmuter.ts
index 552a2ab..89fd48b 100644
--- a/sources/Transmuter.ts
+++ b/sources/Transmuter.ts
@@ -36,7 +36,7 @@ export function createTransmuter(
     source: {
       abi: 'Transmuter',
       address,
-      startBlock: 16265505,
+      startBlock: startBlockNumber,
     },
   };
 }
diff --git a/sources/TransmuterBuffer.ts b/sources/TransmuterBuffer.ts
index b4ad7d9..faba9e9 100644
--- a/sources/TransmuterBuffer.ts
+++ b/sources/TransmuterBuffer.ts
@@ -36,7 +36,7 @@ export function createTransmuterBuffer(
     source: {
       abi: 'TransmuterBuffer',
       address,
-      startBlock: 16265505,
+      startBlock: startBlockNumber,
     },
   };
 }