|
| 1 | +import { Panel } from "@namada/components"; |
| 2 | +import { AssetImage } from "App/Transfer/AssetImage"; |
| 3 | +import { |
| 4 | + chainAssetsMapAtom, |
| 5 | + chainParametersAtom, |
| 6 | + maspRewardsAtom, |
| 7 | +} from "atoms/chain"; |
| 8 | +import { simulateShieldedRewards } from "atoms/staking/services"; |
| 9 | +import BigNumber from "bignumber.js"; |
| 10 | +import clsx from "clsx"; |
| 11 | +import { useAtomValue } from "jotai"; |
| 12 | +import { debounce } from "lodash"; |
| 13 | +import { useEffect, useRef, useState } from "react"; |
| 14 | +import { GoChevronDown } from "react-icons/go"; |
| 15 | +import { MaspAssetRewards } from "types"; |
| 16 | +import { toBaseAmount } from "utils"; |
| 17 | + |
| 18 | +export const MaspRewardCalculator = (): JSX.Element => { |
| 19 | + const rewards = useAtomValue(maspRewardsAtom); |
| 20 | + const [amount, setAmount] = useState<string>(""); |
| 21 | + const [selectedAsset, setSelectedAsset] = useState< |
| 22 | + MaspAssetRewards | undefined |
| 23 | + >(rewards.data?.[0] || undefined); |
| 24 | + const [searchTerm, setSearchTerm] = useState<string>(""); |
| 25 | + const [isDropdownOpen, setIsDropdownOpen] = useState<boolean>(false); |
| 26 | + const [calculatedRewards, setCalculatedRewards] = useState<string>("0.00"); |
| 27 | + const [isCalculating, setIsCalculating] = useState<boolean>(false); |
| 28 | + const dropdownRef = useRef<HTMLDivElement>(null); |
| 29 | + const searchInputRef = useRef<HTMLInputElement>(null); |
| 30 | + const chainParameters = useAtomValue(chainParametersAtom); |
| 31 | + const chainId = chainParameters.data?.chainId; |
| 32 | + const chainAssetsMap = useAtomValue(chainAssetsMapAtom); |
| 33 | + |
| 34 | + // Set initial selected asset when rewards data loads |
| 35 | + useEffect(() => { |
| 36 | + if (rewards.data && rewards.data.length > 0 && !selectedAsset) { |
| 37 | + setSelectedAsset(rewards.data[0]); |
| 38 | + } |
| 39 | + }, [rewards.data, selectedAsset]); |
| 40 | + |
| 41 | + // Close on click outside |
| 42 | + useEffect(() => { |
| 43 | + const handleClickOutside = (event: MouseEvent): void => { |
| 44 | + if ( |
| 45 | + dropdownRef.current && |
| 46 | + !dropdownRef.current.contains(event.target as Node) |
| 47 | + ) { |
| 48 | + setIsDropdownOpen(false); |
| 49 | + setSearchTerm(""); |
| 50 | + } |
| 51 | + }; |
| 52 | + |
| 53 | + document.addEventListener("mousedown", handleClickOutside); |
| 54 | + return () => document.removeEventListener("mousedown", handleClickOutside); |
| 55 | + }, []); |
| 56 | + |
| 57 | + useEffect(() => { |
| 58 | + const debouncedFetchRewards = debounce(async (): Promise<void> => { |
| 59 | + if (!selectedAsset || !amount || !chainId) return; |
| 60 | + |
| 61 | + const assetAddress = findAssetAddress( |
| 62 | + selectedAsset.asset.symbol.toLowerCase() |
| 63 | + ); |
| 64 | + if (!assetAddress) { |
| 65 | + console.error( |
| 66 | + "Could not find address for asset:", |
| 67 | + selectedAsset.asset.symbol |
| 68 | + ); |
| 69 | + return; |
| 70 | + } |
| 71 | + |
| 72 | + setIsCalculating(true); |
| 73 | + try { |
| 74 | + const rewardsResult = await simulateShieldedRewards( |
| 75 | + chainId, |
| 76 | + assetAddress, |
| 77 | + toBaseAmount(selectedAsset.asset, new BigNumber(amount)).toString() |
| 78 | + ); |
| 79 | + setCalculatedRewards(rewardsResult); |
| 80 | + } catch (error) { |
| 81 | + console.error("Error calculating rewards:", error); |
| 82 | + setCalculatedRewards("0.00"); |
| 83 | + } finally { |
| 84 | + setIsCalculating(false); |
| 85 | + } |
| 86 | + }, 300); |
| 87 | + |
| 88 | + debouncedFetchRewards(); |
| 89 | + |
| 90 | + return () => { |
| 91 | + debouncedFetchRewards.cancel(); |
| 92 | + }; |
| 93 | + }, [selectedAsset, amount]); |
| 94 | + |
| 95 | + // Focus search input when dropdown opens |
| 96 | + useEffect(() => { |
| 97 | + if (isDropdownOpen && searchInputRef.current) { |
| 98 | + searchInputRef.current.focus(); |
| 99 | + } |
| 100 | + }, [isDropdownOpen]); |
| 101 | + |
| 102 | + const handleAssetSelect = (asset: MaspAssetRewards): void => { |
| 103 | + setSelectedAsset(asset); |
| 104 | + setIsDropdownOpen(false); |
| 105 | + setSearchTerm(""); |
| 106 | + }; |
| 107 | + |
| 108 | + // Helper function to find the address for a given asset base |
| 109 | + const findAssetAddress = (symbol: string): string | undefined => { |
| 110 | + if (!Object.keys(chainAssetsMap).length) return undefined; |
| 111 | + // Find the entry in chainAssetsMap where the asset.base matches our assetBase |
| 112 | + for (const [address, assetInfo] of Object.entries(chainAssetsMap)) { |
| 113 | + if (assetInfo?.symbol.toLowerCase() === symbol) { |
| 114 | + return address; |
| 115 | + } |
| 116 | + } |
| 117 | + return undefined; |
| 118 | + }; |
| 119 | + |
| 120 | + // Filter assets based on search term |
| 121 | + const filteredRewards = |
| 122 | + rewards.data?.filter((reward) => |
| 123 | + reward.asset.symbol.toLowerCase().includes(searchTerm.toLowerCase()) |
| 124 | + ) || []; |
| 125 | + |
| 126 | + return ( |
| 127 | + <Panel className={clsx("flex flex-col pt-2 pb-2 px-2")}> |
| 128 | + <h2 className="uppercase text-[13px] text-center font-medium pb-0 pt-2"> |
| 129 | + MASP REWARDS CALCULATOR |
| 130 | + </h2> |
| 131 | + <div className="mt-3 flex flex-col gap-3"> |
| 132 | + {rewards.isLoading && ( |
| 133 | + <i |
| 134 | + className={clsx( |
| 135 | + "absolute w-8 h-8 top-0 left-0 right-0 bottom-0 m-auto border-4", |
| 136 | + "border-transparent border-t-yellow rounded-[50%]", |
| 137 | + "animate-loadingSpinner" |
| 138 | + )} |
| 139 | + /> |
| 140 | + )} |
| 141 | + {rewards.data && ( |
| 142 | + <> |
| 143 | + <div className="flex gap-0 bg-neutral-900 rounded-sm relative"> |
| 144 | + <div className="flex-shrink-0" ref={dropdownRef}> |
| 145 | + <button |
| 146 | + type="button" |
| 147 | + onClick={() => setIsDropdownOpen(!isDropdownOpen)} |
| 148 | + className={clsx( |
| 149 | + "flex items-center gap-1 px-3 py-3 text-white", |
| 150 | + "hover:bg-neutral-800 transition-colors rounded-l-sm", |
| 151 | + "min-w-[80px]" |
| 152 | + )} |
| 153 | + > |
| 154 | + <div className="w-6 h-6 flex-shrink-0"> |
| 155 | + <AssetImage asset={selectedAsset?.asset} /> |
| 156 | + </div> |
| 157 | + <span className="text-sm font-medium"> |
| 158 | + {selectedAsset?.asset.symbol || "Select"} |
| 159 | + </span> |
| 160 | + <GoChevronDown |
| 161 | + className={clsx( |
| 162 | + "ml-1 transition-transform text-neutral-400 text-xs", |
| 163 | + isDropdownOpen && "rotate-180" |
| 164 | + )} |
| 165 | + /> |
| 166 | + </button> |
| 167 | + {isDropdownOpen && ( |
| 168 | + <div |
| 169 | + className={clsx( |
| 170 | + "absolute top-full left-0 w-full z-50 mt-1", |
| 171 | + "bg-neutral-800 rounded-md", |
| 172 | + "max-h-[300px] overflow-hidden" |
| 173 | + )} |
| 174 | + > |
| 175 | + <div className="border-none"> |
| 176 | + <div className="relative"> |
| 177 | + <input |
| 178 | + ref={searchInputRef} |
| 179 | + type="text" |
| 180 | + value={searchTerm} |
| 181 | + onChange={(e) => setSearchTerm(e.target.value)} |
| 182 | + placeholder="Search assets..." |
| 183 | + className={clsx( |
| 184 | + "w-full pl-10 pr-3 py-2 bg-neutral-900 text-white", |
| 185 | + "border-none border-neutral-600 text-sm", |
| 186 | + "focus:outline-none focus:border-neutral-500" |
| 187 | + )} |
| 188 | + /> |
| 189 | + </div> |
| 190 | + </div> |
| 191 | + |
| 192 | + <div className="max-h-[200px] overflow-y-auto border border-neutral-600 dark-scrollbar overscroll-contain"> |
| 193 | + {filteredRewards.length === 0 ? |
| 194 | + <div className="p-3 text-center text-neutral-400 text-sm"> |
| 195 | + No assets found |
| 196 | + </div> |
| 197 | + : filteredRewards.map((reward) => ( |
| 198 | + <button |
| 199 | + key={reward.asset.base} |
| 200 | + type="button" |
| 201 | + onClick={() => handleAssetSelect(reward)} |
| 202 | + className={clsx( |
| 203 | + "w-full flex items-center py-1.5 px-1 text-left", |
| 204 | + "transition-colors" |
| 205 | + )} |
| 206 | + > |
| 207 | + <div className="px-2 py-1 gap-4 hover:bg-neutral-700 rounded-sm ml-2 flex w-full"> |
| 208 | + <div className="w-8 h-8 flex-shrink-0 "> |
| 209 | + <AssetImage asset={reward.asset} /> |
| 210 | + </div> |
| 211 | + <div className="flex-1 min-w-0"> |
| 212 | + <div className="text-white font-medium text-sm mt-1.5"> |
| 213 | + {reward.asset.symbol} |
| 214 | + </div> |
| 215 | + </div> |
| 216 | + </div> |
| 217 | + </button> |
| 218 | + )) |
| 219 | + } |
| 220 | + </div> |
| 221 | + </div> |
| 222 | + )} |
| 223 | + </div> |
| 224 | + |
| 225 | + <input |
| 226 | + type="number" |
| 227 | + value={amount} |
| 228 | + onChange={(e) => { |
| 229 | + const value = e.target.value; |
| 230 | + if (Number(value) === 0) setCalculatedRewards("0.00"); |
| 231 | + if (value.length >= 8) return; |
| 232 | + setAmount(e.target.value); |
| 233 | + }} |
| 234 | + placeholder="Amount" |
| 235 | + className={clsx( |
| 236 | + "[&::-webkit-outer-spin-button]:appearance-none [&::-webkit-inner-spin-button]:appearance-none mr-3", |
| 237 | + "bg-transparent text-white py-3 w-full", |
| 238 | + "focus:outline-none text-right rounded-r-sm" |
| 239 | + )} |
| 240 | + /> |
| 241 | + </div> |
| 242 | + |
| 243 | + <div className="flex flex-col items-center justify-center border border-neutral-500 rounded-sm py-8"> |
| 244 | + <div className="text-yellow text-2xl font-bold max-w-full"> |
| 245 | + {isCalculating ? |
| 246 | + <div className="flex items-center justify-center"> |
| 247 | + <i |
| 248 | + className={clsx( |
| 249 | + "w-5 h-5 border-4 border-transparent border-t-yellow rounded-[50%] my-2", |
| 250 | + "animate-loadingSpinner" |
| 251 | + )} |
| 252 | + /> |
| 253 | + </div> |
| 254 | + : <> |
| 255 | + {Number(calculatedRewards).toLocaleString(undefined, { |
| 256 | + maximumFractionDigits: |
| 257 | + Number(calculatedRewards) > 1000000 ? 0 : 2, |
| 258 | + })} |
| 259 | + </> |
| 260 | + } |
| 261 | + </div> |
| 262 | + <div className="text-sm text-yellow font-normal">NAM</div> |
| 263 | + <div className="text-neutral-400 text-xs mt-1 px-4 text-center"> |
| 264 | + Est. shielded rewards per 24hrs |
| 265 | + </div> |
| 266 | + </div> |
| 267 | + </> |
| 268 | + )} |
| 269 | + </div> |
| 270 | + </Panel> |
| 271 | + ); |
| 272 | +}; |
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