feat: add ability to clear cached calls from state

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ezerous/drizzle",
-  "version": "0.4.3",
+  "version": "0.5.0",
   "description": "A reactive data-store for web3 and smart contracts.",
   "license": "MIT",
   "author": "Ezerous <ezerous@gmail.com>",

src/DrizzleContract.js

@@ -25,6 +25,7 @@ class DrizzleContract {
       var item = this.abi[i]
       if (isGetterFunction(item)) {
         this.methods[item.name].cacheCall = this.cacheCallFunction(item.name, i)
+        this.methods[item.name].clearCacheCall = this.clearCacheCallFunction(item.name, i)
       }
       if (isSetterFunction(item)) {
         this.methods[item.name].cacheSend = this.cacheSendFunction(item.name, i)
@@ -55,16 +56,13 @@ class DrizzleContract {
   }
 
   cacheCallFunction (fnName, fnIndex, fn) {
-    var contract = this
+    const contract = this
 
     return function () {
       // Collect args and hash to use as key, 0x0 if no args
-      var argsHash = '0x0'
-      var args = arguments
+      const args = arguments
+      const argsHash = args.length > 0 ? contract.generateArgsHash(args) : '0x0'
 
-      if (args.length > 0) {
-        argsHash = contract.generateArgsHash(args)
-      }
       const contractName = contract.contractName
       const functionState = contract.store.getState().contracts[contractName][
         fnName
@@ -92,6 +90,21 @@ class DrizzleContract {
     }
   }
 
+  clearCacheCallFunction (fnName, fnIndex) {
+    const contract = this
+    return function () {
+      // Collect args and hash to use as key, 0x0 if no args
+      const args = arguments
+      const argsHash = args.length > 0 ? contract.generateArgsHash(args) : '0x0'
+      contract.store.dispatch({
+        type: ContractActions.CLEAR_CALL_CONTRACT_FN,
+        contractName: contract.contractName,
+        fnName,
+        argsHash
+      })
+    }
+  }
+
   cacheSendFunction (fnName, fnIndex, fn) {
     // NOTE: May not need fn index
     var contract = this

src/contracts/constants.js

@@ -12,6 +12,7 @@ export const CONTRACT_SYNCED = 'CONTRACT_SYNCED'
 export const CONTRACT_SYNC_IND = 'CONTRACT_SYNC_IND'
 export const ERROR_CONTRACT_VAR = 'ERROR_CONTRACT_VAR'
 export const CALL_CONTRACT_FN = 'CALL_CONTRACT_FN'
+export const CLEAR_CALL_CONTRACT_FN = 'CLEAR_CALL_CONTRACT_FN'
 export const SEND_CONTRACT_TX = 'SEND_CONTRACT_TX'
 export const ADD_CONTRACT = 'ADD_CONTRACT'
 export const ERROR_ADD_CONTRACT = 'ERROR_ADD_CONTRACT'

src/contracts/contractsReducer.js

@@ -100,6 +100,30 @@ const contractsReducer = (state = initialState, action) => {
     }
   }
 
+  if (action.type === ContractActions.CLEAR_CALL_CONTRACT_FN) {
+    const { argsHash, contractName, fnName } = action;
+    if(argsHash !== '0x0'){
+      const {[argsHash]: _, ...remainingHashes} = state[contractName][fnName];
+      return {
+        ...state,
+        [contractName]: {
+          ...state[contractName],
+          [fnName]: {
+            ...remainingHashes
+          }
+        }
+      }
+    }
+
+    return {
+      ...state,
+      [contractName]: {
+        ...state[contractName],
+        [fnName]: { }
+      }
+    }
+  }
+
   if (action.type === ContractActions.ERROR_CONTRACT_VAR) {
     return {
       ...state,