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@xlink-network/xlink-sdk

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XLINK js SDK

github.com/xlink-network/xlink-sdk

xlink-network/xlink-sdk

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{"version":3,"sources":["../src/metaUtils/peggingHelpers.ts"],"sourcesContent":["import { toCorrespondingStacksToken } from \"../evmUtils/peggingHelpers\"\nimport { getEVMTokenContractInfo } from \"../evmUtils/xlinkContractHelpers\"\nimport { BigNumber } from \"../utils/BigNumber\"\nimport {\n _KnownRoute_FromBRC20_ToStacks,\n _KnownRoute_FromRunes_ToStacks,\n IsSupportedFn,\n KnownRoute_FromStacks_ToBRC20,\n KnownRoute_FromStacks_ToRunes,\n} from \"../utils/buildSupportedRoutes\"\nimport { checkNever, isNotNull } from \"../utils/typeHelpers\"\nimport { TransferProphet } from \"../utils/types/TransferProphet\"\nimport {\n _allNoLongerSupportedEVMChains,\n KnownChainId,\n KnownTokenId,\n} from \"../utils/types/knownIds\"\nimport { SDKGlobalContext } from \"../xlinkSdkUtils/types.internal\"\nimport { getMetaPegInAddress } from \"./btcAddresses\"\nimport {\n BRC20SupportedRoute,\n getBRC20SupportedRoutes,\n getRunesSupportedRoutes,\n RunesSupportedRoute,\n} from \"./xlinkContractHelpers\"\n\nexport const getMeta2StacksFeeInfo = async (\n ctx: SDKGlobalContext,\n route: _KnownRoute_FromBRC20_ToStacks | _KnownRoute_FromRunes_ToStacks,\n): Promise<undefined | TransferProphet> => {\n const filteredRoutes = KnownChainId.isBRC20Chain(route.fromChain)\n ? await getBRC20SupportedRoutes(ctx, route.fromChain).then(routes =>\n routes.filter(\n _route =>\n _route.brc20Token === route.fromToken &&\n _route.stacksToken === route.toToken,\n ),\n )\n : await getRunesSupportedRoutes(ctx, route.fromChain).then(routes =>\n routes.filter(\n _route =>\n _route.runesToken === route.fromToken &&\n _route.stacksToken === route.toToken,\n ),\n )\n const filteredRoute = filteredRoutes[0]\n if (filteredRoute == null) return\n\n return {\n isPaused: filteredRoute.pegInPaused,\n bridgeToken: route.fromToken,\n fees: [\n {\n type: \"rate\" as const,\n token: route.fromToken,\n rate: filteredRoute.pegInFeeRate,\n minimumAmount: BigNumber.ZERO,\n },\n filteredRoute.pegInFeeBitcoinAmount == null\n ? null\n : {\n type: \"fixed\" as const,\n token: KnownTokenId.Stacks.aBTC,\n amount: filteredRoute.pegInFeeBitcoinAmount,\n },\n ].filter(isNotNull),\n minBridgeAmount: BigNumber.ZERO,\n maxBridgeAmount: null,\n }\n}\n\nexport const getStacks2MetaFeeInfo = async (\n ctx: SDKGlobalContext,\n route: KnownRoute_FromStacks_ToBRC20 | KnownRoute_FromStacks_ToRunes,\n): Promise<undefined | TransferProphet> => {\n const filteredRoutes = KnownChainId.isBRC20Chain(route.toChain)\n ? await getBRC20SupportedRoutes(ctx, route.toChain).then(routes =>\n routes.filter(\n _route =>\n _route.stacksToken === route.fromToken &&\n _route.brc20Token === route.toToken,\n ),\n )\n : await getRunesSupportedRoutes(ctx, route.toChain).then(routes =>\n routes.filter(\n _route =>\n _route.stacksToken === route.fromToken &&\n _route.runesToken === route.toToken,\n ),\n )\n const filteredRoute = filteredRoutes[0]\n if (filteredRoute == null) return\n\n return {\n isPaused: filteredRoute.pegOutPaused,\n bridgeToken: route.fromToken,\n fees: [\n {\n type: \"rate\" as const,\n token: route.fromToken,\n rate: filteredRoute.pegOutFeeRate,\n minimumAmount: BigNumber.ZERO,\n },\n filteredRoute.pegOutFeeBitcoinAmount == null\n ? null\n : {\n type: \"fixed\" as const,\n token: KnownTokenId.Stacks.aBTC,\n amount: filteredRoute.pegOutFeeBitcoinAmount,\n },\n ].filter(isNotNull),\n minBridgeAmount: BigNumber.ZERO,\n maxBridgeAmount: null,\n }\n}\n\nexport const isSupportedMetaRoute: IsSupportedFn = async (ctx, route) => {\n const { fromChain, toChain, fromToken, toToken } = route\n\n if (fromChain === toChain && fromToken === toToken) {\n return false\n }\n\n if (!KnownChainId.isKnownChain(toChain)) return false\n\n if (\n KnownChainId.isEVMChain(fromChain) &&\n _allNoLongerSupportedEVMChains.includes(fromChain)\n ) {\n return false\n }\n if (\n KnownChainId.isEVMChain(toChain) &&\n _allNoLongerSupportedEVMChains.includes(toChain)\n ) {\n return false\n }\n\n if (KnownChainId.isBitcoinChain(toChain)) {\n return false\n }\n\n if (\n !KnownChainId.isRunesChain(fromChain) &&\n !KnownChainId.isBRC20Chain(fromChain)\n ) {\n return false\n }\n\n const pegInAddress = getMetaPegInAddress(fromChain, toChain)\n if (pegInAddress == null) return false\n\n if (KnownChainId.isBitcoinChain(toChain)) {\n return false\n }\n\n if (KnownChainId.isStacksChain(toChain)) {\n if (!KnownTokenId.isStacksToken(toToken)) return false\n\n if (KnownChainId.isRunesChain(fromChain)) {\n const runesRoutes = await getRunesSupportedRoutes(ctx, fromChain)\n return runesRoutes.some(route => route.stacksToken === toToken)\n }\n\n if (KnownChainId.isBRC20Chain(fromChain)) {\n const brc20Routes = await getBRC20SupportedRoutes(ctx, fromChain)\n return brc20Routes.some(route => route.stacksToken === toToken)\n }\n\n checkNever(fromChain)\n return false\n }\n\n if (KnownChainId.isEVMChain(toChain)) {\n if (!KnownTokenId.isEVMToken(toToken)) return false\n\n const info = await getEVMTokenContractInfo(ctx, toChain, toToken)\n if (info == null) return false\n\n const transitStacksToken = await toCorrespondingStacksToken(toToken)\n if (transitStacksToken == null) return false\n\n if (KnownChainId.isRunesChain(fromChain)) {\n const runesRoutes = await getRunesSupportedRoutes(ctx, fromChain)\n return runesRoutes.some(route => route.stacksToken === transitStacksToken)\n }\n\n if (KnownChainId.isBRC20Chain(fromChain)) {\n const brc20Routes = await getBRC20SupportedRoutes(ctx, fromChain)\n return brc20Routes.some(route => route.stacksToken === transitStacksToken)\n }\n\n checkNever(fromChain)\n return false\n }\n\n if (KnownChainId.isRunesChain(toChain)) {\n if (!KnownTokenId.isRunesToken(toToken)) return false\n\n // TODO: runes -> runes (swap) is not supported yet\n if (KnownChainId.isRunesChain(fromChain)) return false\n\n const brc20Routes = await getBRC20SupportedRoutes(ctx, fromChain)\n const runesRoutes = await getRunesSupportedRoutes(ctx, toChain)\n return getRoutesOverlapping(brc20Routes, runesRoutes) != null\n }\n\n if (KnownChainId.isBRC20Chain(toChain)) {\n if (!KnownTokenId.isBRC20Token(toToken)) return false\n\n // TODO: brc20 -> brc20 (swap) is not supported yet\n if (KnownChainId.isBRC20Chain(fromChain)) return false\n\n const brc20Routes = await getBRC20SupportedRoutes(ctx, toChain)\n const runesRoutes = await getRunesSupportedRoutes(ctx, fromChain)\n return getRoutesOverlapping(brc20Routes, runesRoutes) != null\n }\n\n checkNever(toChain)\n return false\n}\n\nconst getRoutesOverlapping = (\n brc20Routes: BRC20SupportedRoute[],\n runesRoutes: RunesSupportedRoute[],\n): null | [BRC20SupportedRoute, RunesSupportedRoute] => {\n for (const brc20Route of brc20Routes) {\n for (const runesRoute of runesRoutes) {\n if (brc20Route.stacksToken === runesRoute.stacksToken) {\n return [brc20Route, runesRoute]\n }\n }\n }\n return 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