[taler-taler-android] 08/15: [wallet] Cache currencySpec in loadBalances()

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torsten-grote pushed a commit to branch master
in repository taler-android.

commit 8d56c1db12b80288fca092d97009ae74de36fffb
Author: Iván Ávalos <avalos@disroot.org>
AuthorDate: Wed Mar 13 12:48:44 2024 -0600

    [wallet] Cache currencySpec in loadBalances()
    
    (cherry picked from commit cd7cd4c79b727f470bed3f8ecff0fa4790beee57)
---
 .../main/java/net/taler/wallet/balances/BalanceManager.kt   | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/wallet/src/main/java/net/taler/wallet/balances/BalanceManager.kt 
b/wallet/src/main/java/net/taler/wallet/balances/BalanceManager.kt
index b2e6be3..4558396 100644
--- a/wallet/src/main/java/net/taler/wallet/balances/BalanceManager.kt
+++ b/wallet/src/main/java/net/taler/wallet/balances/BalanceManager.kt
@@ -65,6 +65,8 @@ class BalanceManager(
     private val mState = MutableLiveData<BalanceState>(BalanceState.None)
     val state: LiveData<BalanceState> = mState.distinctUntilChanged()
 
+    private var currencySpecs: Map<ScopeInfo, CurrencySpecification?>? = null
+
     @UiThread
     fun loadBalances() {
         mState.value = BalanceState.Loading
@@ -77,10 +79,17 @@ class BalanceManager(
             response.onSuccess {
                 mState.postValue(BalanceState.Success(it.balances))
                 scope.launch {
-                    // Get currency spec for all balances)
+                    // Get currency spec for all balances
+                    if (currencySpecs == null) {
+                        currencySpecs = it.balances.associate { balance ->
+                            val spec = 
getCurrencySpecification(balance.scopeInfo)
+                            balance.scopeInfo to spec
+                        }
+                    }
+
                     mState.postValue(
                         BalanceState.Success(it.balances.map { balance ->
-                            val spec = 
getCurrencySpecification(balance.scopeInfo)
+                            val spec = currencySpecs?.get(balance.scopeInfo)
                             balance.copy(
                                 available = balance.available.withSpec(spec),
                                 pendingIncoming = 
balance.pendingIncoming.withSpec(spec),

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