[indexer]: index yield vaults to track LP yields

.gitignore

@@ -73,3 +73,4 @@ evm/script/update-consensus-client.sh
 # Generated by indexer codegen (generate-chain-yamls.ts) — not committed
 sdk/packages/indexer/src/token-slot-overrides.ts
 sdk/packages/indexer/src/yield-vault-addresses.ts
+sdk/packages/indexer/src/solver-account-addresses.ts

sdk/packages/indexer/scripts/generate-chain-yamls.ts

@@ -160,6 +160,14 @@ const generateEvmYaml = async (chain: string, config: Configuration) => {
 		config,
 		endpoints,
 		blockNumber,
+		// Flattened (vault, underlyingToken) pairs so the template can emit one Deposit/Withdraw
+		// datasource per vault. The handler resolves underlyingToken from YIELD_VAULT_ADDRESSES.
+		yieldVaults:
+			config.type === "evm" && config.contracts?.yieldVaults
+				? Object.entries(config.contracts.yieldVaults).flatMap(([token, entry]) =>
+						entry.vaults.map((vault) => ({ vault, underlyingToken: token })),
+					)
+				: [],
 		handlerKind: "ethereum/LogHandler",
 		handlers: [
 			{ handler: "handleStateMachineUpdatedEvent", topics: ["StateMachineUpdated(string,uint256)"] },
@@ -287,6 +295,25 @@ const generateYieldVaultAddresses = () => {
 	console.log("Generated yield-vault-addresses.ts")
 }
 
+const generateSolverAccountAddresses = () => {
+	const solverAccounts: Record<string, string> = {}
+
+	validChains.forEach((config) => {
+		if (config.type === "evm" && config.contracts?.solverAccount) {
+			solverAccounts[config.stateMachineId] = config.contracts.solverAccount
+		}
+	})
+
+	const value = `// Auto-generated, DO NOT EDIT
+// SolverAccount contract address per chain (EIP-7702 delegation target for our solver EOAs).
+// To add or update entries, edit the "solverAccount" field in the relevant chain entry
+// in src/configs/config-mainnet.json (or config-testnet.json) and re-run codegen.
+export const SOLVER_ACCOUNT_ADDRESSES: Record<string, string> = ${JSON.stringify(solverAccounts, null, 2)}`
+
+	fs.writeFileSync(root + "/src/solver-account-addresses.ts", value)
+	console.log("Generated solver-account-addresses.ts")
+}
+
 const generateTokenSlotOverrides = () => {
 	const lines: string[] = []
 	lines.push("// Auto-generated, DO NOT EDIT")
@@ -383,6 +410,7 @@ try {
 	generateChainsByIsmpHost()
 	generateChainsIntentGatewayV3Addresses()
 	generateYieldVaultAddresses()
+	generateSolverAccountAddresses()
 	generateTokenSlotOverrides()
 	generateTestnetStateMachineIds()
 	generateEnvironmentConfig()

sdk/packages/indexer/scripts/templates/evm-chain.yaml.hbs

@@ -11,6 +11,10 @@ dataSources:
         file: ./abis/EthereumHost.abi.json
       chainLinkAggregatorV3:
         file: ./abis/ChainLinkAggregatorV3.abi.json
+      # Listed so the Erc4626Abi interface is always generated for the yield-vault handlers, even on
+      # chains with no configured vaults (e.g. testnet); the vault datasources reference it for decoding.
+      erc4626:
+        file: ./abis/Erc4626.abi.json
     mapping:
       file: ./dist/index.js
       handlers:
@@ -79,6 +83,40 @@ dataSources:
             topics:
               - 'DustSwept(address,uint256,address)'
   {{/if}}
+  {{#each yieldVaults}}
+  - kind: ethereum/Runtime
+    startBlock: {{../blockNumber}}
+    options:
+      abi: erc4626
+      address: '{{this.vault}}'
+    assets:
+      erc4626:
+        file: ./abis/Erc4626.abi.json
+    mapping:
+      file: ./dist/index.js
+      handlers:
+        - kind: ethereum/LogHandler
+          handler: handleVaultDepositEvent
+          filter:
+            topics:
+              - 'Deposit(address,address,uint256,uint256)'
+        - kind: ethereum/LogHandler
+          handler: handleVaultWithdrawEvent
+          filter:
+            topics:
+              - 'Withdraw(address,address,address,uint256,uint256)'
+  {{/each}}
+  {{#if yieldVaults.length}}
+  - kind: ethereum/Runtime
+    startBlock: {{blockNumber}}
+    mapping:
+      file: ./dist/index.js
+      handlers:
+        - handler: handleVaultSnapshotIndexing
+          kind: ethereum/BlockHandler
+          filter:
+            modulo: 50 # Daily LP yield snapshot; the handler dedupes per UTC day, so re-attempts bail cheaply.
+  {{/if}}
   - kind: ethereum/Runtime
     startBlock: {{blockNumber}}
     mapping:

sdk/packages/indexer/src/configs/abis/Erc4626.abi.json

@@ -0,0 +1,160 @@
+[
+	{
+		"type": "event",
+		"name": "Deposit",
+		"inputs": [
+			{
+				"name": "sender",
+				"type": "address",
+				"indexed": true,
+				"internalType": "address"
+			},
+			{
+				"name": "owner",
+				"type": "address",
+				"indexed": true,
+				"internalType": "address"
+			},
+			{
+				"name": "assets",
+				"type": "uint256",
+				"indexed": false,
+				"internalType": "uint256"
+			},
+			{
+				"name": "shares",
+				"type": "uint256",
+				"indexed": false,
+				"internalType": "uint256"
+			}
+		],
+		"anonymous": false
+	},
+	{
+		"type": "event",
+		"name": "Withdraw",
+		"inputs": [
+			{
+				"name": "sender",
+				"type": "address",
+				"indexed": true,
+				"internalType": "address"
+			},
+			{
+				"name": "receiver",
+				"type": "address",
+				"indexed": true,
+				"internalType": "address"
+			},
+			{
+				"name": "owner",
+				"type": "address",
+				"indexed": true,
+				"internalType": "address"
+			},
+			{
+				"name": "assets",
+				"type": "uint256",
+				"indexed": false,
+				"internalType": "uint256"
+			},
+			{
+				"name": "shares",
+				"type": "uint256",
+				"indexed": false,
+				"internalType": "uint256"
+			}
+		],
+		"anonymous": false
+	},
+	{
+		"type": "function",
+		"name": "asset",
+		"inputs": [],
+		"outputs": [
+			{
+				"name": "",
+				"type": "address",
+				"internalType": "address"
+			}
+		],
+		"stateMutability": "view"
+	},
+	{
+		"type": "function",
+		"name": "decimals",
+		"inputs": [],
+		"outputs": [
+			{
+				"name": "",
+				"type": "uint8",
+				"internalType": "uint8"
+			}
+		],
+		"stateMutability": "view"
+	},
+	{
+		"type": "function",
+		"name": "balanceOf",
+		"inputs": [
+			{
+				"name": "account",
+				"type": "address",
+				"internalType": "address"
+			}
+		],
+		"outputs": [
+			{
+				"name": "",
+				"type": "uint256",
+				"internalType": "uint256"
+			}
+		],
+		"stateMutability": "view"
+	},
+	{
+		"type": "function",
+		"name": "totalSupply",
+		"inputs": [],
+		"outputs": [
+			{
+				"name": "",
+				"type": "uint256",
+				"internalType": "uint256"
+			}
+		],
+		"stateMutability": "view"
+	},
+	{
+		"type": "function",
+		"name": "totalAssets",
+		"inputs": [],
+		"outputs": [
+			{
+				"name": "",
+				"type": "uint256",
+				"internalType": "uint256"
+			}
+		],
+		"stateMutability": "view"
+	},
+	{
+		"type": "function",
+		"name": "convertToAssets",
+		"inputs": [
+			{
+				"name": "shares",
+				"type": "uint256",
+				"internalType": "uint256"
+			}
+		],
+		"outputs": [
+			{
+				"name": "",
+				"type": "uint256",
+				"internalType": "uint256"
+			}
+		],
+		"stateMutability": "view"
+	}
+]

sdk/packages/indexer/src/configs/config-mainnet.json

@@ -46,6 +46,7 @@
 			"erc6160ext20": "0x6B175474E89094C44Da98b954EedeAC495271d0F",
 			"handlerV1": "0x2a18AB35DEa43474882E05A661e2F20fe89c0535",
 			"intentGatewayV3": "0xAe041F7B0CB581876832830baeB6a2Aa2a3C9716",
+			"solverAccount": "0x975e80B476cB1d4Cd06c292ce36898f2bE4159ea",
 			"yieldVaults": {
 				"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48": {
 					"description": "USDC \u2192 stataUSDC (Aave v3 Ethereum)",
@@ -84,6 +85,7 @@
 			"erc6160ext20": "0xDA10009cBd5D07dd0CeCc66161FC93D7c9000da1",
 			"handlerV1": "0x2a18AB35DEa43474882E05A661e2F20fe89c0535",
 			"intentGatewayV3": "0xAe041F7B0CB581876832830baeB6a2Aa2a3C9716",
+			"solverAccount": "0x975e80B476cB1d4Cd06c292ce36898f2bE4159ea",
 			"yieldVaults": {
 				"0xaf88d065e77c8cc2239327c5edb3a432268e5831": {
 					"description": "USDC (native Circle) \u2192 stataUSDCn (Aave v3 Arbitrum)",
@@ -122,6 +124,7 @@
 			"erc6160ext20": "0xDA10009cBd5D07dd0CeCc66161FC93D7c9000da1",
 			"handlerV1": "0x2a18AB35DEa43474882E05A661e2F20fe89c0535",
 			"intentGatewayV3": "0xAe041F7B0CB581876832830baeB6a2Aa2a3C9716",
+			"solverAccount": "0x975e80B476cB1d4Cd06c292ce36898f2bE4159ea",
 			"yieldVaults": {
 				"0x0b2c639c533813f4aa9d7837caf62653d097ff85": {
 					"description": "USDC (native Circle) \u2192 stataUSDCn (Aave v3 Optimism)",
@@ -155,6 +158,7 @@
 			"erc6160ext20": "0x50c5725949A6F0c72E6C4a641F24049A917DB0Cb",
 			"handlerV1": "0x2a18AB35DEa43474882E05A661e2F20fe89c0535",
 			"intentGatewayV3": "0xAe041F7B0CB581876832830baeB6a2Aa2a3C9716",
+			"solverAccount": "0x975e80B476cB1d4Cd06c292ce36898f2bE4159ea",
 			"yieldVaults": {
 				"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913": {
 					"description": "USDC \u2192 stataUSDC (Aave v3 Base; no USDT market on Base)",
@@ -194,6 +198,7 @@
 			"erc6160ext20": "0x1AF3F329e8BE154074D8769D1FFa4eE058B1DBc3",
 			"handlerV1": "0x2a18AB35DEa43474882E05A661e2F20fe89c0535",
 			"intentGatewayV3": "0xAe041F7B0CB581876832830baeB6a2Aa2a3C9716",
+			"solverAccount": "0x975e80B476cB1d4Cd06c292ce36898f2bE4159ea",
 			"yieldVaults": {
 				"0x8ac76a51cc950d9822d68b83fe1ad97b32cd580d": {
 					"description": "USDC (Binance-pegged) \u2192 staticAUSDC (Aave v3 BNB Chain)",
@@ -264,6 +269,7 @@
 			"erc6160ext20": "0x8f3cf7ad23cd3cadbd9735aff958023239c6a063",
 			"handlerV1": "0x2a18AB35DEa43474882E05A661e2F20fe89c0535",
 			"intentGatewayV3": "0xAe041F7B0CB581876832830baeB6a2Aa2a3C9716",
+			"solverAccount": "0x975e80B476cB1d4Cd06c292ce36898f2bE4159ea",
 			"yieldVaults": {
 				"0x3c499c542cef5e3811e1192ce70d8cc03d5c3359": {
 					"description": "USDC (native Circle) \u2192 stataUSDCn (Aave v3 Polygon)",

sdk/packages/indexer/src/configs/index.ts

@@ -10,6 +10,7 @@ const evmContractsSchema = z.object({
 	handlerV1: z.string().min(3, "Invalid Ethereum address"),
 	erc6160ext20: z.string().min(3, "Invalid Ethereum address"),
 	intentGatewayV3: z.string().optional(),
+	solverAccount: z.string().optional(),
 	yieldVaults: z
 		.record(
 			z.string(),