buy/sell color change fix

src/blockchain/token.js

@@ -61,21 +61,28 @@ export async function addExtraToken(chainId, addr) {
                 }
                 else {
                     if( provider===null ) {
-                        console.log('warning: token lookup cancelled due to null provider', addr)
+                        console.warn('warning: token lookup cancelled due to null provider', addr)
                         resolve(null)
                     }
                     else {
-                        const token = await newContract(addr, 'IERC20Metadata', provider)
-                        Promise.all( [token.name(), token.symbol(), token.decimals()] ).then((name,symbol,decimals)=>{
-                            info = {
-                                a: addr,
-                                n: name,
-                                s: symbol,
-                                d: decimals,
+                        for( let tries=1; tries<=5; tries++ ) {
+                            try {
+                                const token = await newContract(addr, 'IERC20Metadata', provider)
+                                const [name, symbol, decimals] = await Promise.all([token.name(), token.symbol(), token.decimals()])
+                                info = {
+                                    a: addr,
+                                    n: name,
+                                    s: symbol,
+                                    d: decimals,
+                                }
+                                s.addToken(chainId, info)
+                                resolve(info)
+                                break
                             }
-                            s.addToken(chainId, info)
-                            resolve(info)
-                        })
+                            catch (e) {
+                                console.warn(`Could not lookup token ${addr}`, e)
+                            }
+                        }
                     }
                 }
             })