Don't return delegations with dust amounts (#171)

* Add filter to delegations * Fix filter * Simplify
luniehq · Dec 6, 2019 · c140cf0 · c140cf0
1 parent 2733b2f
commit c140cf0
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Showing 2 changed files with 15 additions and 6 deletions.
diff --git a/lib/cosmosV0-source.js b/lib/cosmosV0-source.js
@@ -45,7 +45,6 @@ class CosmosV0API extends PerBlockCacheDataSource {
     const involvedAddresses = transaction.tags.reduce((addresses, tag) => {
       // temporary in here to identify why this fails
       if (!tag.value) {
-        console.log(JSON.stringify(transaction))
         return addresses
       }
       if (tag.value.startsWith(`cosmos`)) {
@@ -278,12 +277,21 @@ class CosmosV0API extends PerBlockCacheDataSource {
     let delegations =
       (await this.query(`staking/delegators/${address}/delegations`)) || []
 
-    return delegations.map(delegation =>
-      this.reducers.delegationReducer(
-        delegation,
-        validatorsDictionary[delegation.validator_address]
+    return delegations
+      .filter(delegation =>
+        BigNumber(
+          this.reducers.calculateTokens(
+            validatorsDictionary[delegation.validator_address],
+            delegation.shares
+          )
+        ).isGreaterThanOrEqualTo(1e-6)
+      )
+      .map(delegation =>
+        this.reducers.delegationReducer(
+          delegation,
+          validatorsDictionary[delegation.validator_address]
+        )
       )
-    )
   }
 
   async getUndelegationsForDelegatorAddress(address, validatorsDictionary) {

diff --git a/lib/reducers/cosmosV0-reducers.js b/lib/reducers/cosmosV0-reducers.js
@@ -410,6 +410,7 @@ module.exports = {
   rewardReducer,
   overviewReducer,
   accountInfoReducer,
+  calculateTokens,
   undelegationEndTimeReducer,
 
   atoms,