From 15ae30443b9a922e80f846ce883b268e7d6d3de1 Mon Sep 17 00:00:00 2001
From: epiqueras <epiquerass@gmail.com>
Date: Sun, 6 Sep 2020 10:54:29 -0400
Subject: [PATCH] chore: auto-detect Web3 call type

---
 .eslintrc.js                               |  1 +
 _pages/profile/[id]/submit-profile-card.js |  5 +--
 components/web3-provider.js                | 37 +++++++++++++++-------
 3 files changed, 28 insertions(+), 15 deletions(-)

diff --git a/.eslintrc.js b/.eslintrc.js
index 51905187..0423319a 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -64,6 +64,7 @@ module.exports = {
     "no-useless-return": "error",
     "no-var": "error",
     "object-shorthand": "error",
+    "one-var": ["error", "never"],
     "operator-assignment": "error",
     "prefer-arrow-callback": "error",
     "prefer-const": "error",
diff --git a/_pages/profile/[id]/submit-profile-card.js b/_pages/profile/[id]/submit-profile-card.js
index 738a936a..50cd3b44 100644
--- a/_pages/profile/[id]/submit-profile-card.js
+++ b/_pages/profile/[id]/submit-profile-card.js
@@ -26,10 +26,7 @@ export default function SubmitProfileCard() {
   const { connect } = useWeb3();
   const { loading, send } = useContract(
     "proofOfHumanity",
-    "changeRequiredNumberOfVouches",
-    {
-      type: "send",
-    }
+    "changeRequiredNumberOfVouches"
   );
   return (
     <Card
diff --git a/components/web3-provider.js b/components/web3-provider.js
index c5759fc2..5b5c2ad7 100644
--- a/components/web3-provider.js
+++ b/components/web3-provider.js
@@ -70,6 +70,13 @@ export default function Web3Provider({ infuraURL, contracts, children }) {
                 from: accounts[0],
                 ...options,
               });
+              acc[name].jsonInterfaceMap = acc[name]._jsonInterface.reduce(
+                (_acc, method) => {
+                  _acc[method.name] = method;
+                  return _acc;
+                },
+                {}
+              );
               return acc;
             },
             {}
@@ -131,17 +138,18 @@ const sendStateReducer = (
       return { ...state, error };
   }
 };
-export function useContract(
-  contract,
-  method,
-  { args, type = "call", options }
-) {
+export function useContract(contract, method, { args, type, options } = {}) {
   const { web3 } = useWeb3();
+  type =
+    type ||
+    (web3.contracts[contract].jsonInterfaceMap[method].constant
+      ? "call"
+      : "send");
   const run = useCallback(
-    (_args) =>
-      web3.contracts[contract].methods[method](...(args || []), ..._args)[type](
-        ...(options || [])
-      ),
+    (_args, _options) =>
+      web3.contracts[contract].methods[method](...(args || []), ..._args)[
+        type
+      ]({ ...options, ..._options }),
     [web3.contracts, contract, method, args, type, options]
   );
   const isSend = type === "send";
@@ -153,8 +161,15 @@ export function useContract(
     {}
   );
   const send = useCallback(
-    (..._args) => {
-      run(_args)
+    (...__args) => {
+      let _args;
+      let _options;
+      if (__args.length === 1) _args = __args;
+      else {
+        _args = __args.slice(0, -1);
+        _options = __args[__args.length - 1];
+      }
+      run(_args, _options)
         .on("transactionHash", (transactionHash) =>
           dispatch({ type: "transactionHash", transactionHash })
         )