Merge pull request #272 from DefiLlama/feat/rootstock-fastbtc-bridge

Feat/rootstock fastbtc bridge

src/adapters/index.ts

@@ -65,6 +65,7 @@ import memebridge from "./memebridge";
 import bunnyfi from "./bunnyfi";
 import minibridge from "./minibridge";
 import cometbridge from "./cometbridge";
+import fastbtc from "./rootstock-fastbtc-bridge"
 
 export default {
   polygon,
@@ -133,6 +134,7 @@ export default {
   bunnyfi,
   minibridge,
   cometbridge,
+  fastbtc
 } as {
   [bridge: string]: BridgeAdapter;
 };

src/adapters/rootstock-fastbtc-bridge/index.ts

@@ -0,0 +1,67 @@
+import { BigNumber, ethers } from "ethers";
+import { BridgeAdapter, ContractEventParams } from "../../helpers/bridgeAdapter.type";
+import { getTxDataFromEVMEventLogs } from "../../helpers/processTransactions";
+
+const bridgeOutFlow = "0x1a8e78b41bc5ab9ebb6996136622b9b41a601b5c";
+const bridgeInFlow = "0xe43cafbdd6674df708ce9dff8762af356c2b454d";
+const rbtc = "0x542fDA317318eBF1d3DEAf76E0b632741A7e677d";
+
+const outFlowEventParams: ContractEventParams = {
+  target: bridgeOutFlow,
+  topic: "NewBitcoinTransfer(bytes32,string,uint256,uint256,uint256,address)",
+  abi: ["event NewBitcoinTransfer(bytes32 indexed transferId, string btcAddress, uint256 nonce, uint256 amountSatoshi, uint256 feeSatoshi, address indexed rskAddress)"],
+  logKeys: {
+    blockNumber: "blockNumber",
+    txHash: "transactionHash",
+  },
+  fixedEventData: {
+    from: bridgeOutFlow,
+    token: rbtc,
+  },
+  argKeys: {
+    to: "btcAddress",
+    amount: "amountSatoshi",
+  },
+  isDeposit: false,
+};
+
+const inFlowEventParams: ContractEventParams = {
+    target: bridgeInFlow,
+    topic: "NewBitcoinTransferIncoming(address,uint256,uint256,bytes32,uint256)",
+    topics: ["0x20ef15fb02bd69f212d7a84358d8a7c05b65d25bbb920b11c4d32f837118e441"],
+    abi: ["event NewBitcoinTransferIncoming(address indexed rskAddress, uint256 amountWei, uint256 feeWei, bytes32 btcTxHash, uint256 btcTxVout)"],
+    logKeys: {
+      blockNumber: "blockNumber",
+      txHash: "transactionHash",
+    },
+    fixedEventData: {
+      from: bridgeInFlow,
+      token: rbtc,
+    },
+    argKeys: {
+      to: "rskAddress",
+      amount: "amountWei",
+    },
+    isDeposit: true,
+};
+
+const constructParams = () => {
+  const eventParams = [outFlowEventParams, inFlowEventParams];
+  return async (fromBlock: number, toBlock: number) => {    
+    const logs = await getTxDataFromEVMEventLogs("fastbtc", "rsk", fromBlock, toBlock, eventParams);
+
+    logs.forEach((log) => {
+        if (!log.isDeposit) {
+            log.amount = log?.amount?.mul(1e10)
+        }
+      });
+
+      return logs;
+  };
+};
+
+const adapter: BridgeAdapter = {
+    rootstock: constructParams(),
+};
+
+export default adapter;

src/data/bridgeNetworkData.ts

@@ -1469,4 +1469,17 @@ export default [
       "x layer": "xlayer",
     },
   },
+  {
+    id: 70,
+    displayName: "FastBTC",
+    bridgeDbName: "fastbtc",
+    iconLink: "icons:sovryn",
+    largeTxThreshold: 10000,
+    url: "https://sovryn.com/",
+    chains: ["Rootstock", "Bitcoin"],
+    chainMapping: {
+      rootstock: "rsk",
+    },
+    destinationChain: "Bitcoin",
+  },
 ] as BridgeNetwork[];

src/utils/recordedBlocks.json

@@ -71,5 +71,6 @@
   "rainbowbridge:ethereum": { "startBlock": 15443371, "endBlock": 15887866 },
   "chainport:aurora": { "startBlock": 73145592, "endBlock": 77620017 },
   "rootstock:rsk": { "startBlock": 3616337, "endBlock": 3616337 },
-  "tokenbrige:rsk": { "startBlock": 4089976, "endBlock": 6088951 }
+  "tokenbrige:rsk": { "startBlock": 4089976, "endBlock": 6088951 },
+  "fastbtc:rsk": { "startBlock": 4089976, "endBlock": 6088951 }
 }