Merge pull request #146 from fuseio/fuse-bridge

Add adapter for Fuse Bridge

src/adapters/fuse/index.ts

@@ -0,0 +1,117 @@
+import {
+    BridgeAdapter,
+    ContractEventParams,
+    PartialContractEventParams,
+} from "../../helpers/bridgeAdapter.type";
+import { getTxDataFromEVMEventLogs } from "../../helpers/processTransactions";
+
+const ercContracts = {
+    ethereum: "0x95f51f18212c6bCFfB819fDB2035E5757954B7B9",
+    polygon: "0x8f5D6332eD11338D2dA4fAAC6675e9A6757BeC8b",
+    arbitrum: "0x081dF5af5d022D4A4a4520D4D0D336B8432fDBBb",
+    optimism: "0x081dF5af5d022D4A4a4520D4D0D336B8432fDBBb",
+    bsc: "0x081dF5af5d022D4A4a4520D4D0D336B8432fDBBb",
+} as { [chain: string]: string };
+
+const nativeContracts = {
+    polygon: "0xe453d6649643F1F460C371dC3D1da98F7922fe51",
+    arbitrum: "0xe453d6649643F1F460C371dC3D1da98F7922fe51",
+    optimism: "0xEEd9154F63f6F0044E6b00dDdEFD895b5B4ED580",
+    bsc: "",
+    ethereum: "",
+} as { [chain: string]: string };
+
+const ercDepositEventParams: ContractEventParams = {
+    target: null,
+    topic: "SendToken(address,address,address,uint256)",
+    abi: [
+        "event SendToken(address token, address from, address to, uint256 amount)",
+    ],
+    argKeys: {
+        token: "token",
+        from: "from",
+        amount: "amount",
+    },
+    isDeposit: true,
+};
+
+const ercWithdrawalEventParams: ContractEventParams = {
+    target: null,
+    topic: "ReceiveToken(address,address,uint256)",
+    abi: [
+        "event ReceiveToken(address token, address to, uint256 amount)",
+    ],
+    argKeys: {
+        token: "token",
+        from: "to",
+        amount: "amount",
+    },
+    isDeposit: false,
+};
+
+const nativeWithdrawalEventParams: ContractEventParams = {
+    target: null,
+    topic: "WrapToken(address,address,uint16,address,uint256)",
+    abi: [
+        "event WrapToken(address localToken, address remoteToken, uint16 remoteChainId, address to, uint256 amount)",
+    ],
+    argKeys: {
+        token: "localToken",
+        from: "to",
+        amount: "amount",
+    },
+    isDeposit: false,
+};
+
+const nativeDepositEventParams: ContractEventParams = {
+    target: null,
+    topic: "UnwrapToken(address,address,uint16,address,uint256)",
+    abi: [
+        "event UnwrapToken(address localToken, address remoteToken, uint16 remoteChainId, address to, uint256 amount)",
+    ],
+    argKeys: {
+        token: "localToken",
+        from: "from",
+        amount: "amount",
+    },
+    isDeposit: true,
+};
+
+const constructParams = (chain: string) => {
+    const eventParams: PartialContractEventParams[] = [];
+
+    const ercContract = ercContracts[chain];
+    const ercDepositParams = {
+        ...ercDepositEventParams,
+        target: ercContract,
+    }
+    const ercWithdrawParams = {
+        ...ercWithdrawalEventParams,
+        target: ercContract,
+    }
+    const nativeContract = nativeContracts[chain];
+    if (nativeContract !== "") {
+        const nativeDepositParams = {
+            ...nativeDepositEventParams,
+            target: nativeContract,
+        }
+        const nativeWithdrawParams = {
+            ...nativeWithdrawalEventParams,
+            target: nativeContract,
+        }
+        eventParams.push(nativeDepositParams, nativeWithdrawParams);
+    }
+    eventParams.push(ercDepositParams, ercWithdrawParams);
+    return async (fromBlock: number, toBlock: number) =>
+        getTxDataFromEVMEventLogs("fuse", chain, fromBlock, toBlock, eventParams);
+};
+
+const adapter: BridgeAdapter = {
+    polygon: constructParams("polygon"),
+    ethereum: constructParams("ethereum"),
+    bsc: constructParams("bsc"),
+    arbitrum: constructParams("arbitrum"),
+    optimism: constructParams("optimism"),
+};
+
+export default adapter;

src/adapters/index.ts

@@ -50,6 +50,7 @@ import rootstock from "./rootstock";
 import mode from "./mode";
 import router from "./router";
 import tokenbridge from "./rootstock-token-bridge";
+import fuse from "./fuse";
 
 export default {
   polygon,
@@ -102,6 +103,7 @@ export default {
   circle,
   router,
   tokenbridge,
+  fuse
 } as {
   [bridge: string]: BridgeAdapter;
 };

src/data/bridgeNetworkData.ts

@@ -846,4 +846,21 @@ export default [
   //     avalanche: "avax",
   //   },
   // },
+  {
+    id: 55,
+    displayName: "Fuse Bridge",
+    bridgeDbName: "fuse",
+    iconLink: "chain:fuse",
+    largeTxThreshold: 10000,
+    url: "https://console.fuse.io/bridge",
+    chains: [
+      "Ethereum",
+      "BSC",
+      "Polygon",
+      "Arbitrum",
+      "Optimism",
+      "Fuse"
+    ],
+    destinationChain: "Fuse",
+  }
 ] as BridgeNetwork[];