Merge pull request #129 from DefiLlama/cc7768/cctp

Add circle cctp

src/adapters/circle/index.ts

@@ -0,0 +1,79 @@
+import { Chain } from "@defillama/sdk/build/general";
+import { BridgeAdapter, PartialContractEventParams } from "../../helpers/bridgeAdapter.type";
+import { getTxDataFromEVMEventLogs } from "../../helpers/processTransactions";
+
+/*
+https://developers.circle.com/stablecoins/docs/evm-smart-contracts
+*/
+
+const contracts = {
+  ethereum: { TokenMessenger: "0xBd3fa81B58Ba92a82136038B25aDec7066af3155" },
+  optimism: { TokenMessenger: "0x2B4069517957735bE00ceE0fadAE88a26365528f" },
+  polygon: { TokenMessenger: "0x9daF8c91AEFAE50b9c0E69629D3F6Ca40cA3B3FE" },
+  base: { TokenMessenger: "0x1682Ae6375C4E4A97e4B583BC394c861A46D8962" },
+  arbitrum: { TokenMessenger: "0x19330d10D9Cc8751218eaf51E8885D058642E08A" },
+  avax: { TokenMessenger: "0x6B25532e1060CE10cc3B0A99e5683b91BFDe6982" },
+} as const;
+type SupportedChains = keyof typeof contracts;
+
+const depositParams: PartialContractEventParams = {
+  target: "",
+  topic: "DepositForBurn(uint64,address,uint256,address,bytes32,uint32,bytes32,bytes32)",
+  abi: [
+    "event DepositForBurn(uint64 indexed nonce, address indexed burnToken, uint256 amount, address indexed depositor, bytes32 mintRecipient, uint32 destinationDomain, bytes32 destinationTokenMessenger, bytes32 destinationCaller)",
+  ],
+  logKeys: {
+    blockNumber: "blockNumber",
+    txHash: "transactionHash",
+  },
+  argKeys: {
+    amount: "amount",
+    from: "depositor",
+    to: "mintRecipient",
+    token: "burnToken",
+  },
+  isDeposit: true,
+};
+
+const withdrawParams: PartialContractEventParams = {
+  target: "",
+  topic: "MintAndWithdraw(address,uint256,address)",
+  abi: [
+    "event MintAndWithdraw(address indexed mintRecipient, uint256 amount, address indexed mintToken)",
+  ],
+  logKeys: {
+    blockNumber: "blockNumber",
+    txHash: "transactionHash",
+  },
+  argKeys: {
+    amount: "amount",
+    to: "mintRecipient",
+    from: "mintRecipient",
+    token: "mintToken",
+  },
+  isDeposit: false,
+};
+
+const constructParams = (chain: Chain) => {
+
+  const chainConfig = contracts[chain as SupportedChains];
+
+  const eventParams: PartialContractEventParams[] = [
+    { ...depositParams, target: chainConfig.TokenMessenger },
+    { ...withdrawParams, target: chainConfig.TokenMessenger }
+  ];
+
+  return async (fromBlock: number, toBlock: number) =>
+    getTxDataFromEVMEventLogs("circle", chain, fromBlock, toBlock, eventParams);
+};
+
+const adapter: BridgeAdapter = {
+  ethereum: constructParams("ethereum"),
+  optimism: constructParams("optimism"),
+  polygon: constructParams("polygon"),
+  base: constructParams("base"),
+  arbitrum: constructParams("arbitrum"),
+  avalanche: constructParams("avax")
+};
+
+export default adapter;

src/adapters/index.ts

@@ -44,9 +44,10 @@ import interport from "./interport-finance";
 import shimmerbridge from "./shimmerbridge";
 import butternetwork from "./butternetwork";
 import xy from "./xy-finance";
+import circle from "./circle";
 import garden from "./garden";
-import rootstock from './rootstock'
-import mode from './mode'
+import rootstock from "./rootstock";
+import mode from "./mode";
 
 export default {
   polygon,
@@ -96,6 +97,7 @@ export default {
   garden,
   rootstock,
   mode,
+  circle,
 } as {
   [bridge: string]: BridgeAdapter;
 };

src/data/bridgeNetworkData.ts

@@ -802,4 +802,16 @@ export default [
     chains: ["Ethereum", "Mode"],
     destinationChain: "Mode",
   },
+  {
+    id: 51,
+    displayName: "Circle CCTP",
+    bridgeDbName: "circle",
+    iconLink: "protocols:circle_cctp",
+    largeTxThreshold: 10000,
+    url: "",
+    chains: ["Ethereum", "Optimism", "Polygon", "Base", "Arbitrum", "Avalanche"],
+    chainMapping: {
+      avalanche: "avax",
+    },
+  },
 ] as BridgeNetwork[];