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feat: support assetchain bridge (#364)
* feat: support assetchain bridge * specify actual source chains * Update bridgeNetworkData.ts --------- Co-authored-by: vrotend <vrotend@proton.me>
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‎src/adapters/assetchain-bridge/index.ts

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import { BridgeAdapter, PartialContractEventParams } from "../../helpers/bridgeAdapter.type";
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import { Chain } from "@defillama/sdk/build/general";
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import { getTxDataFromEVMEventLogs } from "../../helpers/processTransactions";
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import { ethers } from "ethers";
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const nullAddress = "0x0000000000000000000000000000000000000000";
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// Step 1: Define contract addresses for your chain
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const contractAddresses = {
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assetchain: {
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tokens: [
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{
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token: "0x2B7C1342Cc64add10B2a79C8f9767d2667DE64B2", // USDC
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bridgeContract: "0xA6c8B33edD4894E42d0C5585fEC52aAC6FF9147d",
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},
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{
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token: "0xDBDc8c7B96286899aB624F6a59dd0250DD4Ce9bC", // BTC
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bridgeContract: "0x08d4a11Fb4fFE7022deBbBbcBb7444005B09a2FC",
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},
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{
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token: "0x26E490d30e73c36800788DC6d6315946C4BbEa24", // USDT
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bridgeContract: "0x196434734f09DFE6D479b5a248a45cfbe516382a",
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},
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{
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token: "0xEc6943BB984AED25eC96986898721a7f8aB6212E", // WNT
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bridgeContract: "0x8D03A4E2dBfbf13043Bde6278658EFfCE6FE6b02",
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},
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],
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},
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bsc: {
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tokens: [
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{
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token: "0x0FFE2dA242E959a7446Abb56A8f2626D0DC4fce7", // USDT
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bridgeContract: "0x55d398326f99059fF775485246999027B3197955",
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},
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],
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},
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arbitrum: {
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tokens: [
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{
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token: "0x0FFE2dA242E959a7446Abb56A8f2626D0DC4fce7", // WNT
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bridgeContract: "0xAD4b9c1FbF4923061814dD9d5732EB703FaA53D4",
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},
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{
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token: "0x5116990d844bda038DBD037D943FcB7481b5Fee7", // RWA
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bridgeContract: "0x3096e7BFd0878Cc65be71f8899Bc4CFB57187Ba3",
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},
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{
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token: "0x6377C8cC083d7CEB49fD3eE1244351BFB86C961e", // WETH
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bridgeContract: "0x82aF49447D8a07e3bd95BD0d56f35241523fBab1",
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},
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{
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token: "0x475d2Ff7955c5359D31B19DC275be3a466f035D5", // USDT
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bridgeContract: "0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9",
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},
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],
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},
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base: {
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tokens: [
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{
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token: "0x5E007f834b6Ee2fcdA41631AD444b4dAAEc372b0", // USDC
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bridgeContract: "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
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},
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{
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token: "0xEd87e9170152A12a4D3904F5cdE323b35d880858", // WETH
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bridgeContract: "0x4200000000000000000000000000000000000006",
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},
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],
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},
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ethereum: {
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tokens: [
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{
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token: "0x85FCf4D25895Eeb5306643777F1205331415F51a", // USDC
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bridgeContract: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
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},
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{
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token: "0x26fa2991f15473B3502D767b49e5805753b8F7F8", // USDT
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bridgeContract: "0xdAC17F958D2ee523a2206206994597C13D831ec7",
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},
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{
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token: "0x1B2322a56f43DBDcB19fcd97527EeB734EEeD119", // WETH
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bridgeContract: "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
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},
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{
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token: "0xc415231cc96d20d99248706403B7580bE560c140", // WBTC
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bridgeContract: "0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599",
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},
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],
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},
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} as {
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[chain: string]: {
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bridgeToken?: string;
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tokens: { token: string; bridgeContract: string }[];
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nativeToken?: string;
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bridgeVault?: string;
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};
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};
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/* // Step 2: Define event parameters for native token bridging
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const nativeDepositParams: PartialContractEventParams = {
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target: "",
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topic: "Transfer(address,address,uint256)",
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abi: ["event Transfer(address indexed src, address indexed dst, uint256 wad)"],
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logKeys: {
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blockNumber: "blockNumber",
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txHash: "transactionHash",
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},
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argKeys: {
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amount: "wad",
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},
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txKeys: {
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from: "from",
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},
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fixedEventData: {
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token: "",
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to: "",
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},
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isDeposit: true,
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};
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const nativeWithdrawalParams: PartialContractEventParams = {
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target: "",
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topic: "Transfer(address,address,uint256)",
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abi: ["event Transfer(address indexed src, address indexed dst, uint256 wad)"],
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logKeys: {
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blockNumber: "blockNumber",
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txHash: "transactionHash",
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},
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argKeys: {
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amount: "wad",
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to: "dst",
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},
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fixedEventData: {
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token: "",
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from: "",
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},
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isDeposit: false,
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}; */
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/* // Step 3: Define event parameters for bridge token (e.g., your protocol's token)
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const bridgeTokenDepositParams: PartialContractEventParams = {
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target: "",
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topic: "Transfer(address,address,uint256)",
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topics: [ethers.utils.id("Transfer(address,address,uint256)"), null, ethers.utils.hexZeroPad(nullAddress, 32)],
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abi: ["event Transfer(address indexed from, address indexed to, uint256 value)"],
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logKeys: {
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blockNumber: "blockNumber",
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txHash: "transactionHash",
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},
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argKeys: {
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from: "from",
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amount: "value",
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},
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fixedEventData: {
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token: "",
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},
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isDeposit: true,
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};
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const bridgeTokenWithdrawalParams: PartialContractEventParams = {
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target: "",
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topic: "Transfer(address,address,uint256)",
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topics: [ethers.utils.id("Transfer(address,address,uint256)"), ethers.utils.hexZeroPad(nullAddress, 32)],
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abi: ["event Transfer(address indexed from, address indexed to, uint256 value)"],
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logKeys: {
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blockNumber: "blockNumber",
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txHash: "transactionHash",
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},
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argKeys: {
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to: "to",
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amount: "value",
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},
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fixedEventData: {
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token: "",
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from: "",
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},
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isDeposit: false,
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}; */
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// Step 4: Define event parameters for ERC-20 token bridging
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const ercDepositParams: PartialContractEventParams = {
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target: "",
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topic: "FulfilledTokens(string,address,string,string,uint256,uint256)",
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abi: ["event FulfilledTokens(string indexed fromUser, address indexed toUser, string fromChain, string toChain, uint256 amount, uint256 exchangeRate)"],
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logKeys: {
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blockNumber: "blockNumber",
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txHash: "transactionHash",
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},
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argKeys: {
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from: "fromUser",
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amount: "amount",
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},
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fixedEventData: {
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token: "",
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to: "",
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},
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argGetters: {
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from: (args: any) => {
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const fromUser = args[0]?.hash;
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if (!fromUser || typeof fromUser !== "string") {
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throw new Error(`Invalid fromUser: ${fromUser}`);
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}
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return fromUser;
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},
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to: (args: any) => {
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const toUser = args[1]; // Address
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if (!toUser || typeof toUser !== "string") {
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throw new Error(`Invalid toUser: ${toUser}`);
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}
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return toUser;
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},
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amount: (args: any) => {
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const amount = args[4]; // BigNumber
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return amount;
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},
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},
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isDeposit: true,
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};
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const ercWithdrawalParams: PartialContractEventParams = {
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target: "",
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topic: "SentTokens(address,string,string,string,uint256,uint256)",
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abi: ["event SentTokens(address fromUser, string indexed toUser, string fromChain, string toChain, uint256 amount, uint256 exchangeRate)"],
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logKeys: {
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blockNumber: "blockNumber",
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txHash: "transactionHash",
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},
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argKeys: {
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from: "fromUser",
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amount: "amount",
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to: "toUser",
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},
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fixedEventData: {
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token: "",
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},
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argGetters: {
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from: (args: any) => {
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const fromUser = args[0]; // Address
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if (!fromUser || typeof fromUser !== "string") {
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throw new Error(`Invalid fromUser: ${fromUser}`);
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}
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return fromUser;
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},
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to: (args: any) => {
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const toUser = args[1]?.hash;
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if (!toUser || typeof toUser !== "string") {
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throw new Error(`Invalid toUser: ${toUser}`);
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}
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return toUser;
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},
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amount: (args: any) => {
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const amount = args[4]; // BigNumber
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return amount;
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},
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},
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isDeposit: false,
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};
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// Step 5: Construct event parameters for your chain
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const constructParams = (chain: string) => {
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let eventParams: PartialContractEventParams[] = [];
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const contractAddressesForChain = contractAddresses[chain];
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const bridgeVault = contractAddressesForChain?.bridgeVault;
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const nativeToken = contractAddressesForChain?.nativeToken;
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// const ercs = contractAddressesForChain?.ercs || [];
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const bridgeToken = contractAddressesForChain?.bridgeToken;
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// const bridgeContract = contractAddressesForChain?.bridgeContract;
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const tokens = contractAddressesForChain?.tokens || [];
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// Native token bridging (e.g., MyChain's native token)
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/* if (bridgeVault && nativeToken) {
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const finalNativeDepositParams: PartialContractEventParams = {
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...nativeDepositParams,
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target: bridgeVault,
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fixedEventData: {
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token: nativeToken,
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to: bridgeVault,
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},
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};
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const finalNativeWithdrawalParams: PartialContractEventParams = {
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...nativeWithdrawalParams,
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target: bridgeVault,
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fixedEventData: {
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token: nativeToken,
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from: bridgeVault,
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},
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};
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eventParams.push(finalNativeDepositParams, finalNativeWithdrawalParams);
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} */
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// Bridge token bridging (e.g., your protocol's token)
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/* if (bridgeToken) {
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const finalBridgeTokenDepositParams: PartialContractEventParams = {
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...bridgeTokenDepositParams,
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target: bridgeToken,
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fixedEventData: {
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token: bridgeToken,
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to: bridgeToken,
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},
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};
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const finalBridgeTokenWithdrawalParams: PartialContractEventParams = {
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...bridgeTokenWithdrawalParams,
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target: bridgeToken,
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fixedEventData: {
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token: bridgeToken,
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from: bridgeToken,
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},
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};
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eventParams.push(finalBridgeTokenDepositParams, finalBridgeTokenWithdrawalParams);
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} */
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// ERC-20 token bridging
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for (let { token, bridgeContract } of tokens) {
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const finalErcDepositParams: PartialContractEventParams = {
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...ercDepositParams,
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target: bridgeContract, // Bridge contract for this token
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fixedEventData: {
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token: token, // ERC-20 token
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to: bridgeContract, // Bridge contract as recipient
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},
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};
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const finalErcWithdrawalParams: PartialContractEventParams = {
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...ercWithdrawalParams,
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target: bridgeContract, // Bridge contract for this token
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fixedEventData: {
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token: token, // ERC-20 token
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from: bridgeContract, // Bridge contract as sender
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},
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};
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eventParams.push(
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finalErcDepositParams,
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finalErcWithdrawalParams);
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}
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// Return a function to fetch transaction data from event logs
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return async (fromBlock: number, toBlock: number) =>
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getTxDataFromEVMEventLogs("assetchainbridge", chain as Chain, fromBlock, toBlock, eventParams);
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};
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// Step 6: Export the adapter
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const adapter: BridgeAdapter = Object.fromEntries(
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Object.keys(contractAddresses).map((chain) => [chain, constructParams(chain)])
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);
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export default adapter;

‎src/adapters/index.ts

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@@ -80,6 +80,7 @@ import flyover from "./rootstock-flyover";
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import universalx from "./universalx";
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import eclipse from "./eclipse";
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import layerzero from "./layerzero";
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import assetchainbridge from "./assetchain-bridge"
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import train from "./train";
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import fuel from "./fuel";
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import lighter from "./lighter";
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eclipse,
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layerzero,
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train,
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assetchainbridge,
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fuel,
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lighter,
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movement,

‎src/data/bridgeNetworkData.ts

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@@ -2106,5 +2106,14 @@ export default [
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url: "https://bridge.movementnetwork.xyz/",
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chains: ["Ethereum", "Movement"],
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destinationChain: "Movement",
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},
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}, {
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id: 89,
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displayName: "Asset Chain Bridge",
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bridgeDbName: "assetchainbridge",
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iconLink: "chain:assetchain",
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largeTxThreshold: 10000,
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url: "https://bridge.assetchain.org/",
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chains: ["Ethereum", "Arbitrum", "BSC", "Base", "Assetchain"],
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destinationChain: "Assetchain",
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}
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] as BridgeNetwork[];

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