feat(erc20): get dynamic fees based on contract address

blockchain · Mar 31, 2021 · 88d1971 · 88d1971
1 parent 8647ddf
commit 88d1971
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Showing 2 changed files with 16 additions and 5 deletions.
diff --git a/packages/blockchain-wallet-v4/src/network/api/eth/index.ts b/packages/blockchain-wallet-v4/src/network/api/eth/index.ts
@@ -10,11 +10,16 @@ export default ({ apiUrl, get, post }) => {
       endPoint: `/eth/account/${address}/isContract`
     })
 
-  const getEthFees = () =>
-    get({
+  const getEthFees = contractAddress => {
+    const baseUrl = '/mempool/fees/eth'
+    return get({
       url: apiUrl,
-      endPoint: '/mempool/fees/eth'
+      endPoint: contractAddress
+        ? `${baseUrl}?contractAddress=${contractAddress}`
+        : baseUrl,
+      ignoreQueryParams: true
     })
+  }
 
   const getEthTicker = () =>
     get({

diff --git a/packages/blockchain-wallet-v4/src/redux/payment/eth/sagas.ts b/packages/blockchain-wallet-v4/src/redux/payment/eth/sagas.ts
@@ -133,9 +133,15 @@ export default ({ api }) => {
       },
 
       * init({ coin, isErc20 }) {
-        let fees
+        let contractAddress, fees
         try {
-          fees = yield call(api.getEthFees)
+          if (isErc20) {
+            contractAddress = (yield select(
+              S.kvStore.eth.getErc20ContractAddr,
+              toLower(coin)
+            )).getOrFail('missing_contract_addr')
+          }
+          fees = yield call(api.getEthFees, contractAddress)
         } catch (e) {
           throw new Error(FETCH_FEES_FAILURE)
         }