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add function EscrowAccountHasBalance #1042

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merged 6 commits into from
Mar 3, 2022
Merged

add function EscrowAccountHasBalance #1042

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16e4a2d
add function EscrowAccountHasBalance
colin-axner Mar 2, 2022
fdb0a07
change API to use sdk.Coins
colin-axner Mar 2, 2022
941318c
Merge branch 'ics29-fee-middleware' into colin/add-escrow-account-bal…
colin-axner Mar 2, 2022
6154144
Merge branch 'ics29-fee-middleware' into colin/add-escrow-account-bal…
colin-axner Mar 3, 2022
c5e6ef3
fix merge conflict
colin-axner Mar 3, 2022
2c928f5
Merge branch 'colin/add-escrow-account-balance-check' of github.com:c…
colin-axner Mar 3, 2022
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11 changes: 11 additions & 0 deletions modules/apps/29-fee/keeper/keeper.go
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,17 @@ func (k Keeper) GetFeeModuleAddress() sdk.AccAddress {
return k.authKeeper.GetModuleAddress(types.ModuleName)
}

// EscrowAccountHasBalance verifies if the escrow account has the provided fee.
func (k Keeper) EscrowAccountHasBalance(ctx sdk.Context, coins sdk.Coins) bool {
for _, coin := range coins {
if !k.bankKeeper.HasBalance(ctx, k.GetFeeModuleAddress(), coin) {
return false
}
}

return true
}

// SetFeeEnabled sets a flag to determine if fee handling logic should run for the given channel
// identified by channel and port identifiers.
func (k Keeper) SetFeeEnabled(ctx sdk.Context, portID, channelID string) {
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21 changes: 21 additions & 0 deletions modules/apps/29-fee/keeper/keeper_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,27 @@ func TestKeeperTestSuite(t *testing.T) {
suite.Run(t, new(KeeperTestSuite))
}

func (suite *KeeperTestSuite) TestEscrowAccountHasBalance() {
fee := types.Fee{
AckFee: defaultAckFee,
RecvFee: defaultReceiveFee,
TimeoutFee: defaultTimeoutFee,
}

suite.Require().False(suite.chainA.GetSimApp().IBCFeeKeeper.EscrowAccountHasBalance(suite.chainA.GetContext(), fee.Total()))

// set fee in escrow account
err := suite.chainA.GetSimApp().BankKeeper.SendCoinsFromAccountToModule(suite.chainA.GetContext(), suite.chainA.SenderAccount.GetAddress(), types.ModuleName, fee.Total())
suite.Require().Nil(err)

suite.Require().True(suite.chainA.GetSimApp().IBCFeeKeeper.EscrowAccountHasBalance(suite.chainA.GetContext(), fee.Total()))

// increase ack fee
fee.AckFee = fee.AckFee.Add(defaultAckFee...)
suite.Require().False(suite.chainA.GetSimApp().IBCFeeKeeper.EscrowAccountHasBalance(suite.chainA.GetContext(), fee.Total()))

}

func (suite *KeeperTestSuite) TestFeeInEscrow() {
suite.coordinator.Setup(suite.path)

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