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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| import { | ||
| NativeEVMTokenConstantAddress, | ||
| TronChainInfo, | ||
| } from "@osmosis-labs/utils"; | ||
| import basex from "base-x"; | ||
|
|
||
| import { | ||
| BridgeAsset, | ||
| BridgeChain, | ||
| BridgeExternalUrl, | ||
| BridgeProvider, | ||
| BridgeProviderContext, | ||
| BridgeQuote, | ||
| BridgeTransactionRequest, | ||
| GetBridgeExternalUrlParams, | ||
| GetBridgeSupportedAssetsParams, | ||
| } from "../interface"; | ||
|
|
||
| const BASE58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"; | ||
| const bs58 = basex(BASE58); | ||
|
|
||
| export class NitroBridgeProvider implements BridgeProvider { | ||
| static readonly ID = "Nitro"; | ||
| readonly providerName = NitroBridgeProvider.ID; | ||
|
|
||
| constructor(protected readonly ctx: BridgeProviderContext) {} | ||
|
|
||
| async getQuote(): Promise<BridgeQuote> { | ||
| throw new Error("Nitro quotes are currently not supported."); | ||
| } | ||
|
|
||
| async getSupportedAssets({ | ||
| asset, | ||
| }: GetBridgeSupportedAssetsParams): Promise<(BridgeChain & BridgeAsset)[]> { | ||
| try { | ||
| // just supports TRX, TRX.rt from Tron | ||
|
|
||
| const assets = this.ctx.assetLists.flatMap(({ assets }) => assets); | ||
| const assetListAsset = assets.find( | ||
| (a) => a.coinMinimalDenom.toLowerCase() === asset.address.toLowerCase() | ||
| ); | ||
|
|
||
| if (assetListAsset) { | ||
| const variants = assets | ||
| .filter((a) => a?.variantGroupKey === assetListAsset.variantGroupKey) | ||
| .sort((a) => | ||
| a.coinMinimalDenom === assetListAsset.variantGroupKey ? -1 : 1 | ||
| ); | ||
|
|
||
| const tronAsset = variants.length > 1 ? variants[1] : variants[0]; | ||
|
|
||
| const tronCounterparty = tronAsset.counterparty.find( | ||
| (c) => c.chainName === "tron" | ||
| ); | ||
|
|
||
| if (tronCounterparty) { | ||
| const isTRC20Token = tronCounterparty.sourceDenom.startsWith("T"); | ||
| const address = isTRC20Token | ||
| ? Buffer.from(bs58.decode(tronCounterparty.sourceDenom)) | ||
| .toString("hex") | ||
| // Tron addresses in hexadecimal format always start with '41'. | ||
| // This prefix should be replaced with '0x' to convert it to a valid address. | ||
| .replace("41", "0x") | ||
| .substring(0, 42) // Tron addresses are 21 bytes long, so we need to truncate the last byte. | ||
| : undefined; | ||
|
|
||
| const resolvedAddress = | ||
| tronCounterparty.sourceDenom === "sun" | ||
| ? NativeEVMTokenConstantAddress // Nitro uses the constant address to reference the native token | ||
| : address ?? tronCounterparty.sourceDenom; | ||
|
|
||
| return [ | ||
| { | ||
| chainType: "tron", | ||
| chainId: TronChainInfo.chainId, | ||
| chainName: TronChainInfo.chainName, | ||
| denom: tronCounterparty.symbol, | ||
| address: resolvedAddress, | ||
| decimals: tronCounterparty.decimals, | ||
| }, | ||
| ]; | ||
| } | ||
| } | ||
|
|
||
| return []; | ||
| } catch (e) { | ||
| // Avoid returning options if there's an unexpected error, such as the provider being down | ||
| if (process.env.NODE_ENV !== "production") { | ||
| console.error( | ||
| NitroBridgeProvider.ID, | ||
| "failed to get supported assets:", | ||
| e | ||
| ); | ||
| } | ||
| return []; | ||
| } | ||
| } | ||
|
|
||
| async getTransactionData(): Promise<BridgeTransactionRequest> { | ||
| throw new Error("Nitro transactions are currently not supported."); | ||
| } | ||
|
|
||
| async getExternalUrl({ | ||
| fromChain, | ||
| toChain, | ||
| fromAsset, | ||
| toAsset, | ||
| }: GetBridgeExternalUrlParams): Promise<BridgeExternalUrl | undefined> { | ||
| const url = new URL("https://beta-mainnet.routernitro.com/swap"); | ||
|
|
||
| if (fromChain) { | ||
| url.searchParams.set("fromChain", String(fromChain.chainId)); | ||
| } | ||
|
|
||
| if (toChain) { | ||
| url.searchParams.set("toChain", String(toChain.chainId)); | ||
| } | ||
|
|
||
| const setTokenParam = (asset: BridgeAsset, param: string) => { | ||
| if (asset.address.includes("alloyed")) { | ||
| const assets = this.ctx.assetLists.flatMap(({ assets }) => assets); | ||
| const alloy = assets.find((a) => a.coinMinimalDenom === asset.address); | ||
| const variant = assets.find( | ||
| (a) => | ||
| a.variantGroupKey === alloy?.variantGroupKey && | ||
| a.coinMinimalDenom !== alloy?.coinMinimalDenom | ||
| ); | ||
| if (variant) url.searchParams.set(param, variant.coinMinimalDenom); | ||
| } else { | ||
| url.searchParams.set(param, asset.address); | ||
| } | ||
| }; | ||
|
|
||
| if (fromAsset) setTokenParam(fromAsset, "fromToken"); | ||
| if (toAsset) setTokenParam(toAsset, "toToken"); | ||
|
|
||
| return { | ||
| urlProviderName: "Nitro", | ||
| url, | ||
| }; | ||
| } | ||
| } |
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