Merge pull request #310 from evandrosaturnino/threshold-network-bridge

Add threshold network

src/adapters/index.ts

@@ -73,6 +73,7 @@ import retrobridge from "./retrobridge";
 import layerswap from "./layerswap";
 import hyperlane from "./hyperlane";
 import wormhole from "./wormhole";
+import thresholdnetwork from "./threshold-network";
 
 export default {
   polygon,
@@ -149,6 +150,7 @@ export default {
   layerswap,
   hyperlane,
   wormhole,
+  thresholdnetwork,
 } as {
   [bridge: string]: BridgeAdapter | AsyncBridgeAdapter;
 };

src/adapters/threshold-network/index.ts

@@ -0,0 +1,73 @@
+import { BridgeAdapter, ContractEventParams } from "../../helpers/bridgeAdapter.type";
+import { getTxDataFromEVMEventLogs } from "../../helpers/processTransactions";
+import { EventData } from "../../utils/types";
+
+const bridge = "0x5e4861a80B55f035D899f66772117F00FA0E8e7B";
+const tbtc = "0x18084fbA666a33d37592fA2633fD49a74DD93a88";
+const tbtcVault = "0x9c070027cdc9dc8f82416b2e5314e11dfb4fe3cd";
+
+export type ExtendedContractEventParams = ContractEventParams & {
+  extraData?: { [key: string]: any };
+};
+
+const mintedEventParams: ContractEventParams = {
+  target: tbtcVault,
+  topic: "Minted(address,uint256)",
+  abi: ["event Minted(address indexed to, uint256 amount)"],
+  logKeys: {
+    blockNumber: "blockNumber",
+    txHash: "transactionHash",
+  },
+  fixedEventData: {
+    token: tbtc,
+    from: bridge,
+  },
+  argKeys: {
+    to: "to",
+    amount: "amount",
+  },
+  isDeposit: true,
+};
+
+const redeemEventParams: ContractEventParams = {
+  target: tbtcVault,
+  topic: "Unminted(address,uint256)",
+  abi: ["event Unminted(address indexed from, uint256 amount)"],
+  logKeys: {
+    blockNumber: "blockNumber",
+    txHash: "transactionHash",
+  },
+  fixedEventData: {
+    token: tbtc,
+    to: "",
+  },
+  argKeys: {
+    from: "from",
+    amount: "amount",
+  },
+  isDeposit: false,
+};
+
+const constructParams = (chain: string) => {
+  const eventParams = [mintedEventParams, redeemEventParams];
+  return async (fromBlock: number, toBlock: number) => {
+    const evmEventLogs = await getTxDataFromEVMEventLogs("thresholdnetwork", chain, fromBlock, toBlock, eventParams);
+
+    const mintAndRedeemEventLogs: EventData[] = [];
+    evmEventLogs.forEach((eventLog) => {
+      if (eventLog.isDeposit) {
+        !eventLog.amount.eq(0) && mintAndRedeemEventLogs.push(eventLog);
+      } else {
+        mintAndRedeemEventLogs.push(eventLog);
+      }
+    });
+
+    return mintAndRedeemEventLogs;
+  };
+};
+
+const adapter: BridgeAdapter = {
+  ethereum: constructParams("ethereum"),
+};
+
+export default adapter;

src/data/bridgeNetworkData.ts

@@ -1730,4 +1730,14 @@ export default [
       avalanche: "avax",
     },
   },
+  {
+    id: 78,
+    displayName: "Threshold Network",
+    bridgeDbName: "thresholdnetwork",
+    iconLink: "icons:threshold-network",
+    largeTxThreshold: 10000,
+    url: "https://threshold.network/",
+    chains:  ["Ethereum", "Bitcoin"],
+    destinationChain: "Bitcoin",
+  },
 ] as BridgeNetwork[];