orderspec refactor for server and web

src/blockchain/orderlib.js

@@ -86,16 +86,91 @@ export function newTranche({
     }
 }
 
-// enum Exchange {
-//     UniswapV2,
-//     UniswapV3
-// }
 export const Exchange = {
     UniswapV2: 0,
     UniswapV3: 1,
 }
 
-export function sqrtX96(value) {
-    return BigInt(Math.round(Math.sqrt(value * 2 ** (96*2))))
+export const OrderState = {
+    Signing: -1,
+    Unknown: 0,
+    Open: 1,
+    Canceled: 2,
+    Filled: 3,
+    Expired: 4,
+    Underfunded: 5,
 }
 
+export function parseOrderStatus(status) {
+    let [
+        order,
+        state,
+        start,
+        ocoGroup,
+        filledIn,
+        filledOut,
+        trancheFilledIn,
+        trancheFilledOut,
+    ] = status
+    order = parseOrder(order)
+    filledIn = BigInt(filledIn)
+    filledOut = BigInt(filledOut)
+    trancheFilledIn = trancheFilledIn.map((f)=>BigInt(f))
+    trancheFilledOut = trancheFilledOut.map((f)=>BigInt(f))
+    return {
+        order, state, start, ocoGroup, filledIn, filledOut, trancheFilledIn, trancheFilledOut,
+    }
+}
+
+
+export function parseOrder(order) {
+    let [
+        tokenIn,
+        tokenOut,
+        route,
+        amount,
+        minFillAmount,
+        amountIsInput,
+        outputDirectlyToOwner,
+        chainOrder,
+        tranches,
+    ] = order
+    route = parseRoute(route)
+    amount = BigInt(amount)
+    minFillAmount = BigInt(minFillAmount)
+    tranches = tranches.map(parseTranche)
+    return {
+        tokenIn, tokenOut, route, amount, minFillAmount, amountIsInput, outputDirectlyToOwner, chainOrder, tranches
+    }
+}
+
+export function parseRoute(route) {
+    let [exchange, fee] = route
+    return {exchange, fee} // todo enum?
+}
+
+export function parseTranche(tranche) {
+    let [
+        fraction,
+        startTimeIsRelative,
+        endTimeIsRelative,
+        minIsBarrier,
+        maxIsBarrier,
+        marketOrder,
+        _reserved5,
+        _reserved6,
+        _reserved7,
+        _reserved8,
+        _reserved16,
+        startTime,
+        endTime,
+        minIntercept,
+        minSlope,
+        maxIntercept,
+        maxSlope,
+    ] = tranche
+    return {
+        fraction, startTimeIsRelative, endTimeIsRelative, minIsBarrier, maxIsBarrier, marketOrder,
+        startTime, endTime, minIntercept, minSlope, maxIntercept, maxSlope,
+    }
+}