symbol selection work

src/charts/datafeed.js

@@ -33,18 +33,60 @@ const configurationData = {
 
 const tokenMap = {}
 const poolMap = {}
-let symbols = null
+let _symbols = null
+
 const indexer = new FlexSearch.Document({
-	document: {id: 'id', index: ['id', 'as[]', 'b', 'q', 'bs', 'qs', 'e', 'd']},
+	document: {id: 'id', index: ['id', 'as[]', 'b', 'q', 'bs', 'qs', 'e', 'd']}, // this must match what is generated for the index object in addSymbol()
 	charset: {split: /\W+/},
 	tokenize: 'forward',
 })
 
+const indexes = {}
+const symbolsSeen = {}  // keyed by (base,quote) so we only list one pool per pair even if there are many fee tiers
+
+function addSymbol(p, base, quote, inverted) {
+	const symbol = base.s + '/' + quote.s
+	const exchange = ['UNIv2', 'UNIv3'][p.e]
+	const full_name = exchange + ':' + symbol // + '%' + formatFee(fee)
+	if (full_name in symbolsSeen) {
+		// add this pool's address to the index but don't create a new symbol
+		indexes[full_name].as.push(p.a)
+		return
+	}
+	symbolsSeen[full_name] = true
+	const longExchange = ['Uniswap v2', 'Uniswap v3',][p.e]
+	const description = `${base.n} / ${quote.n}`
+	const type = 'swap'
+	_symbols[full_name] = {symbol, full_name, description, exchange, type, inverted,}
+	indexes[full_name] = {
+		// key
+		id: full_name,
+
+		// addresses
+		as: [p.a],   // multiple pool addrs for each fee tier
+		b: p.b,
+		q: p.q,
+
+		// symbols
+		bs: base.s,
+		qs: quote.s,
+		e: exchange,
+		d: description,
+	}
+}
+
+
+// function formatFee(fee) {
+// 	let str = (fee / 10000).toFixed(2);
+// 	if (str.startsWith('0')) // start with the decimal point not a zero
+// 		str = str.slice(1)
+// 	return str
+// }
 
 async function getAllSymbols() {
-	const built = {}  // keyed by (base,quote) so we only list one pool per pair even if there are many fee tiers
-	if (symbols===null) {
-		symbols = {}
+
+	if (_symbols===null) {
+		_symbols = {}
 		for (const t of metadata.t)
 			tokenMap[t.a] = t
 		metadata.p.forEach((p)=>{
@@ -60,39 +102,14 @@ async function getAllSymbols() {
 				console.log(`No token ${p.q} found`)
 				return
 			}
-			const symbol = base.s + '/' + quote.s
-			const exchange = ['UNIv2','UNIv3'][p.e]
-			const full_name = exchange+':'+symbol
-			if (full_name in built) {
-				// add this pool's address to the index but don't create a new symbol
-				symbols[full_name].index.as.push(p.a)
-				return
-			}
-			built[full_name] = true
-			const longExchange = ['Uniswap v2', 'Uniswap v3',][p.e]
-			const description = `${base.n} / ${quote.n}`
-			const type = 'swap'
-			symbols[full_name] = {symbol, full_name, description, exchange, type,
-				index: {
-					// key
-					id: full_name,
-					// addresses
-					as: [p.a],   // multiple pool addrs for each fee tier
-					b: p.b,
-					q: p.q,
-					// symbols
-					bs: base.s,
-					qs: quote.s,
-					e: exchange,
-					d: description,
-				}
-			}
+			addSymbol(p, base, quote, false);
+			addSymbol(p, quote, base, true);
 		})
-		for (const symbol of Object.values(symbols)) {
-			indexer.add(symbol.index)
-		}
+		console.log('indexes', indexes)
+		Object.values(indexes).forEach(indexer.add.bind(indexer))
 	}
-	return Object.values(symbols)
+	console.log('symbols', _symbols)
+	return _symbols
 }
 
 export default {
@@ -132,7 +149,7 @@ export default {
 		const result = []
 		for (const f of found)
 			for (const key of f.result)
-				result.push(symbols[key])
+				result.push(_symbols[key])
 		onResultReadyCallback(result);
 	},
 
@@ -145,6 +162,7 @@ export default {
 		console.log('[resolveSymbol]: Method call', symbolName);
 		const symbols = await getAllSymbols();
 		const symbolItem = symbols[symbolName]
+		console.log('symbol resolved?', symbolItem)
 		if (!symbolItem) {
 			console.log('[resolveSymbol]: Cannot resolve symbol', symbolName);
 			onResolveErrorCallback('cannot resolve symbol');