[cgpt-voting-power] Adding cgpt-voting-power strategy

src/strategies/cgpt-voting-power/README.md

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+# cgpt-voting-power: Voting Power by Contract for ChainGPT DAO
+
+This strategy determines the voting power of DAO users based on the `getVotingPower` function of a specified contract.
+
+## Configuration
+
+The strategy requires the following parameters:
+
+- `address`: The contract address where the `getVotingPower` function is defined.
+- `decimals`: The number of decimals used by the token.
+
+An optional parameter is:
+
+- `symbol`: The token symbol (for informational purposes or UI display).
+
+Here is an example of parameters:
+
+```json
+{
+  "address": "0xf97f22eddcaf2e891f0d528bda6113874f292b91",
+  "symbol": "CGPT",
+  "decimals": 18
+}

src/strategies/cgpt-voting-power/examples.json

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+{
+  "name": "Example Query",
+  "strategy": {
+    "name": "cgpt-voting-power",
+    "params": {
+      "address": "0xf97f22eddcaf2e891f0d528bda6113874f292b91",
+      "decimals": 18
+    }
+  },
+  "network": "1",
+  "addresses": [
+    "0x742d35Cc6634C0532925a3b844Bc454e4438f44e",
+    "0x53d284357ec70cE289D6D64134DfAc8E511c8a3D"
+  ],
+  "snapshot": 12419867,
+  "example": {
+    "input": {
+      "space": {},
+      "network": "1",
+      "provider": {},
+      "addresses": [
+        "0x742d35Cc6634C0532925a3b844Bc454e4438f44e",
+        "0x53d284357ec70cE289D6D64134DfAc8E511c8a3D"
+      ],
+      "options": {
+        "address": "0xf97f22eddcaf2e891f0d528bda6113874f292b91",
+        "decimals": 18
+      },
+      "snapshot": 12419867
+    },
+    "output": {
+      "0x742d35Cc6634C0532925a3b844Bc454e4438f44e": 1000,
+      "0x53d284357ec70cE289D6D64134DfAc8E511c8a3D": 2000
+    }
+  }
+}

src/strategies/cgpt-voting-power/index.ts

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+import { BigNumberish } from '@ethersproject/bignumber';
+import { formatUnits } from '@ethersproject/units';
+import { Multicaller } from '../../utils';
+
+export const author = 'ChainGPT';
+export const version = '0.1.0';
+
+const abi = [
+  {
+    "inputs": [{"internalType": "address", "name": "user", "type": "address"}],
+    "name": "getVotingPower",
+    "outputs": [{"internalType": "uint256", "name": "", "type": "uint256"}],
+    "stateMutability": "view",
+    "type": "function"
+  }
+];
+
+export async function strategy(
+  space,
+  network,
+  provider,
+  addresses,
+  options,
+  snapshot
+): Promise<Record<string, number>> {
+  const blockTag = typeof snapshot === 'number' ? snapshot : 'latest';
+
+  const multi = new Multicaller(network, provider, abi, { blockTag });
+  addresses.forEach((address) =>
+    multi.call(address, options.address, 'getVotingPower', [address])
+  );
+  const result: Record<string, BigNumberish> = await multi.execute();
+
+  return Object.fromEntries(
+    Object.entries(result).map(([address, votingPower]) => [
+      address,
+      parseFloat(formatUnits(votingPower, options.decimals))
+    ])
+  );
+}

src/strategies/cgpt-voting-power/schema.json

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+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "cgpt-voting-power",
+  "type": "object",
+  "properties": {
+    "address": {
+      "type": "string",
+      "title": "Contract Address",
+      "pattern": "^0x[a-fA-F0-9]{40}$"
+    },
+    "symbol": {
+      "type": "string",
+      "title": "CGPT",
+      "minLength": 1,
+      "maxLength": 10
+    },
+    "decimals": {
+      "type": "integer",
+      "title": "Decimals",
+      "default": 18,
+      "minimum": 0,
+      "maximum": 77
+    }
+  },
+  "required": ["address", "decimals"],
+  "additionalProperties": false
+}