added the rocket-pool-node-operator-v4 strategy (snapshot-labs#1516)

src/strategies/index.ts

@@ -293,6 +293,7 @@ import * as auraBalanceOfSingleAsset from './aura-vault-balance-of-single-asset'
 import * as rocketpoolNodeOperator from './rocketpool-node-operator';
 import * as rocketpoolNodeOperatorv2 from './rocketpool-node-operator-v2';
 import * as rocketpoolNodeOperatorv3 from './rocketpool-node-operator-v3';
+import * as rocketpoolNodeOperatorv4 from './rocketpool-node-operator-v4';
 import * as earthfundChildDaoStakingBalance from './earthfund-child-dao-staking-balance';
 import * as unipilotVaultPilotBalance from './unipilot-vault-pilot-balance';
 import * as sdBoostTWAVP from './sd-boost-twavp';
@@ -736,6 +737,7 @@ const strategies = {
   'rocketpool-node-operator': rocketpoolNodeOperator,
   'rocketpool-node-operator-v2': rocketpoolNodeOperatorv2,
   'rocketpool-node-operator-v3': rocketpoolNodeOperatorv3,
+  'rocketpool-node-operator-v4': rocketpoolNodeOperatorv4,
   'earthfund-child-dao-staking-balance': earthfundChildDaoStakingBalance,
   'sd-boost-twavp': sdBoostTWAVP,
   'unipilot-vault-pilot-balance': unipilotVaultPilotBalance,

src/strategies/rocketpool-node-operator-v4/README.md

@@ -0,0 +1,13 @@
+# rocketpool-node-operator-delegate-v4
+
+This is a strategy for staking node operators, it returns the vote power for a node address.
+
+Here is an example of parameters:
+
+```json
+{
+  "address": "0xD33526068D116cE69F19A9ee46F0bd304F21A51f",
+  "symbol": "RPL",
+  "decimals": 18
+}
+```

src/strategies/rocketpool-node-operator-v4/examples.json

@@ -0,0 +1,24 @@
+[
+  {
+    "name": "Example query",
+    "strategy": {
+      "name": "rocketpool-node-operator-v4",
+      "params": {
+        "address": "0xD33526068D116cE69F19A9ee46F0bd304F21A51f",
+        "symbol": "RPL",
+        "decimals": 18
+      }
+    },
+    "network": "1",
+    "addresses": [
+      "0x7ba728C1D84c2313F319D267fD9847F2CEA8D758",
+      "0xC76DCF5ed10555C417d3c85aF987F2b7D2f63415",
+      "0xb74006917f66E4b7f005713f061d1f20Ef2A029C",
+      "0x3b6d43E181BeFCE59732De6098cADF7f35b97b1e",
+      "0xB0De8cB8Dcc8c5382c4b7F3E978b491140B2bC55",
+      "0x4F44C1226eb9d13ae5941dEd9cC1e6a4E099a68f",
+      "0x2d2BfE2389B7b3779fa04d101f75a89F6A62DcD6"
+    ],
+    "snapshot": 20172818
+  }
+]

src/strategies/rocketpool-node-operator-v4/index.ts

@@ -0,0 +1,61 @@
+import { Multicaller } from '../../utils';
+import { BigNumberish } from '@ethersproject/bignumber';
+import { formatUnits } from '@ethersproject/units';
+
+export const author = 'rocket-pool';
+export const version = '0.1.4';
+
+const rocketNetworkVoting = '0xA9d27E1952f742d659143a544d3e535fFf3Eebe1';
+const rocketNetworkVotingAbi = [
+  'function getVotingPower(address _nodeAddress, uint32 _block) external view returns (uint256)'
+];
+
+
+export async function strategy(
+  space,
+  network,
+  provider,
+  addresses,
+  options,
+  snapshot
+): Promise<Record<string, number>> {
+
+  const blockTag = typeof snapshot === 'number' ? snapshot : await provider.getBlockNumber();
+
+  const nodeVotingPower = new Multicaller(
+    network,
+    provider,
+    rocketNetworkVotingAbi,
+    { blockTag }
+  );
+
+  addresses.forEach((address) => {
+    nodeVotingPower.call(address, rocketNetworkVoting, 'getVotingPower', [
+      address,
+      blockTag
+    ]);
+  });
+
+  const nodeVotingPowerResponse: Record<string, BigNumberish> =
+    await nodeVotingPower.execute();
+
+  const merged = addresses.map((address) => {
+    const votePower = nodeVotingPowerResponse[address];
+    return {
+      address: address,
+      votePower: votePower,
+    };
+  });
+
+  const reduced: Record<string, BigNumberish> = merged.reduce((acc, obj) => {
+    acc[obj.address] = obj.votePower;
+    return acc;
+  }, {});
+
+  return Object.fromEntries(
+    Object.entries(reduced).map(([address, votePower]) => [
+      address,
+      parseFloat(formatUnits(votePower, options.decimals))
+    ])
+  );
+}