changed name of RenVM

projects/renvm/abi.json

@@ -0,0 +1,28 @@
+{
+  "getDarknodes": {
+      "constant": true,
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "_start",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "_count",
+          "type": "uint256"
+        }
+      ],
+      "name": "getDarknodes",
+      "outputs": [
+        {
+          "internalType": "address[]",
+          "name": "",
+          "type": "address[]"
+        }
+      ],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+  }
+}

projects/renvm/index.js

@@ -0,0 +1,90 @@
+/*==================================================
+  Modules
+  ==================================================*/
+  const abi = require("./abi");
+  const sdk = require("../../sdk");
+
+
+/*==================================================
+  Settings
+  ==================================================*/
+
+  const darknodeRegistryContract = "0x2D7b6C95aFeFFa50C068D50f89C5C0014e054f0A";
+  const renBTCContract = "0xeb4c2781e4eba804ce9a9803c67d0893436bb27d";
+  const renBCHContract = "0x459086F2376525BdCebA5bDDA135e4E9d3FeF5bf";
+  const renZECContract = "0x1C5db575E2Ff833E46a2E9864C22F4B22E0B37C2";
+  const renContract = "0x408e41876cccdc0f92210600ef50372656052a38";
+
+  const NULL = "0x0000000000000000000000000000000000000000";
+
+  const renBasis = 1e19;
+  const renBond = 10000;
+
+
+/*==================================================
+  TVL
+  ==================================================*/
+
+  async function tvl(timestamp, block) {
+    const batchSize = 100;
+    const allDarknodes = [];
+    let lastDarknode = NULL;
+    // This follows the technique used in the Ren control panel
+    // We have to iterate over the darknode list to figure out
+    // how many bonded nodes there are
+    const filter = address => address !== NULL && address !== lastDarknode;
+    do {
+      const darknodes = (await sdk.api.abi.call({
+        block,
+        target: darknodeRegistryContract,
+        abi: abi["getDarknodes"],
+        params: [lastDarknode, batchSize]
+      }) || { output: []}).output;
+      allDarknodes.push(...darknodes.filter(filter));
+      [lastDarknode] = darknodes.slice(-1);
+    } while (lastDarknode !== NULL);
+
+    const btcTotalSupply = (
+      await sdk.api.erc20.totalSupply({
+        block,
+        target: renBTCContract
+      })
+    ).output;
+
+    const bchTotalSupply = (
+      await sdk.api.erc20.totalSupply({
+        block,
+        target: renBCHContract
+      })
+    ).output;
+
+    const zecTotalSupply = (
+      await sdk.api.erc20.totalSupply({
+        block,
+        target: renZECContract
+      })
+    ).output;
+
+    // Each darknode must have bonded a fixed amount of Ren.
+    // The bond amount could be fetched from the contract
+    // but lets save contract calls
+    const bondedRen =  allDarknodes.length *  renBond * renBasis;
+
+    const balances = {
+      [renContract]: bondedRen,
+      [renBTCContract]: btcTotalSupply,
+      [renBCHContract]: bchTotalSupply,
+      [renZECContract]: zecTotalSupply
+    };
+
+    return balances;
+  }
+
+  module.exports = {
+    name: "RenVM",
+    token: "REN",
+    category: "assets",
+    // FIXME: Need a more accurate date here, where all assets are available, however, it is relatively fair to start at the time mainnet was officially launched
+    start: 1590537600, // May-27-2020 00:00:00 PM +UTC
+    tvl,
+  };