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p2p/protocols: fix race condition in TestAccountingSimulation (#19228)

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p2p/protocols: Fix race condition in TestAccountingSimulation
This commit is contained in:
holisticode 2019-03-07 02:13:11 -05:00 committed by Viktor Trón
parent ce3ea8c9b1
commit f2d6310354
1 changed files with 5 additions and 2 deletions
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7
p2p/protocols/accounting_simulation_test.go
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@ -159,8 +159,9 @@ func TestAccountingSimulation(t *testing.T) {
// (n entries in the array will not be filled - // (n entries in the array will not be filled -
// the balance of a node with itself) // the balance of a node with itself)
type matrix struct { type matrix struct {
n int //number of nodes n int //number of nodes
m []int64 //array of balances m []int64 //array of balances
lock sync.RWMutex
} }
// create a new matrix // create a new matrix
@ -177,7 +178,9 @@ func (m *matrix) add(i, j int, v int64) error {
// i * number of nodes + remote node // i * number of nodes + remote node
mi := i*m.n + j mi := i*m.n + j
// register that balance // register that balance
m.lock.Lock()
m.m[mi] += v m.m[mi] += v
m.lock.Unlock()
return nil return nil
} }