Merge pull request #8 from DLC-link/feat/confirmation-checker

feat: added confirmation-checker

src/app/components/vault/components/vault-progress-bar.tsx

@@ -1,15 +1,28 @@
 import { Box, Progress, Text, VStack } from "@chakra-ui/react";
+import { VaultState } from "@models/vault";
 
 interface VaultProgressBarProps {
   confirmedBlocks: number;
+  vaultState: VaultState;
 }
 
 export function VaultProgressBar({
   confirmedBlocks,
-}: VaultProgressBarProps): React.JSX.Element {
+  vaultState,
+}: VaultProgressBarProps): React.JSX.Element | boolean {
+  const shouldBeIndeterminate = confirmedBlocks > 6;
+
+  if (vaultState === VaultState.CLOSED && confirmedBlocks > 6) return false;
   return (
     <VStack w={"100%"} alignItems={"end"} position="relative">
-      <Progress value={50} w={"100%"} h={"25px"} borderRadius={"md"} />
+      <Progress
+        isIndeterminate={shouldBeIndeterminate}
+        value={confirmedBlocks}
+        max={6}
+        w={"100%"}
+        h={"25px"}
+        borderRadius={"md"}
+      />
       <Box
         display="flex"
         position="absolute"
@@ -21,7 +34,9 @@ export function VaultProgressBar({
         h="100%"
       >
         <Text color={"white"} fontSize={"xs"} fontWeight={800}>
-          WAITING FOR CONFIRMATIONS: {confirmedBlocks}/6
+          {shouldBeIndeterminate
+            ? "PROCESSING"
+            : `WAITING FOR CONFIRMATIONS: ${confirmedBlocks}/6`}
         </Text>
       </Box>
     </VStack>

src/app/components/vault/vault-card.tsx

@@ -1,6 +1,7 @@
 import React, { useState } from "react";
 
 import { CustomSkeleton } from "@components/custom-skeleton/custom-skeleton";
+import { useConfirmationChecker } from "@hooks/use-confirmation-checker";
 import { Vault, VaultState } from "@models/vault";
 
 import { VaultCardLayout } from "./components/vault-card.layout";
@@ -21,7 +22,11 @@ export function VaultCard({
   isSelectable = false,
   handleSelect,
 }: VaultBoxProps): React.JSX.Element {
-  const confirmedBlocks = 3;
+  const confirmations = useConfirmationChecker(
+    vault?.state === VaultState.FUNDING ? vault?.fundingTX : vault?.closingTX,
+    vault?.state,
+  );
+
   const [isExpanded, setIsExpanded] = useState(isSelected ? true : false);
 
   if (!vault) return <CustomSkeleton height={"65px"} />;
@@ -48,8 +53,11 @@ export function VaultCard({
           isExpanded={isExpanded}
         />
       )}
-      {[VaultState.FUNDING, VaultState.CLOSING].includes(vault.state) && (
-        <VaultProgressBar confirmedBlocks={confirmedBlocks} />
+      {[VaultState.FUNDING, VaultState.CLOSED].includes(vault.state) && (
+        <VaultProgressBar
+          confirmedBlocks={confirmations}
+          vaultState={vault.state}
+        />
       )}
     </VaultCardLayout>
   );

src/app/hooks/use-confirmation-checker.ts

@@ -0,0 +1,74 @@
+import { useEffect, useMemo, useRef, useState } from "react";
+
+import { VaultState } from "@models/vault";
+
+export function useConfirmationChecker(
+  txID: string | undefined,
+  vaultState: VaultState | undefined,
+): number {
+  const bitcoinExplorerTXURL = `https://devnet.dlc.link/electrs/tx/${txID}`;
+  const bitcoinExplorerHeightURL = `https://devnet.dlc.link/electrs/blocks/tip/height`;
+  const fetchInterval = useRef<number | undefined>(undefined);
+
+  const [transactionProgress, setTransactionProgress] = useState(0);
+
+  const memoizedTransactionProgress = useMemo(
+    () => transactionProgress,
+    [transactionProgress],
+  );
+
+  const fetchTransactionDetails = async () => {
+    if (
+      !txID ||
+      (vaultState &&
+        ![VaultState.FUNDING, VaultState.CLOSED].includes(vaultState))
+    ) {
+      clearInterval(fetchInterval.current);
+      return;
+    }
+
+    let bitcoinCurrentBlockHeight;
+    try {
+      const response = await fetch(bitcoinExplorerHeightURL, {
+        headers: { Accept: "application/json" },
+      });
+      bitcoinCurrentBlockHeight = await response.json();
+    } catch (error) {
+      console.error(error);
+    }
+
+    let bitcoinTransactionBlockHeight;
+
+    try {
+      const response = await fetch(bitcoinExplorerTXURL, {
+        headers: { Accept: "application/json" },
+      });
+      const bitcoinTransactionDetails = await response.json();
+      bitcoinTransactionBlockHeight =
+        bitcoinTransactionDetails.status.block_height;
+    } catch (error) {
+      console.error(error);
+    }
+
+    const difference =
+      bitcoinCurrentBlockHeight - bitcoinTransactionBlockHeight;
+
+    setTransactionProgress(difference);
+
+    if (difference > 6) {
+      clearInterval(fetchInterval.current);
+    }
+  };
+
+  fetchTransactionDetails();
+
+  useEffect(() => {
+    fetchInterval.current = setInterval(
+      fetchTransactionDetails,
+      10000,
+    ) as unknown as number; // Cleanup the interval when the component unmounts
+    return () => clearInterval(fetchInterval.current);
+  }, []);
+
+  return memoizedTransactionProgress;
+}