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node: allow replacing existing p2p.Reactor(s) (#3846)

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* node: allow replacing existing p2p.Reactor(s)

using [`CustomReactors`
option](https://godoc.org/github.com/tendermint/tendermint/node#CustomReactors).
Warning: beware of accidental name clashes. Here is the list of existing
reactors: MEMPOOL, BLOCKCHAIN, CONSENSUS, EVIDENCE, PEX.

* check the absence of "CUSTOM" prefix

* merge 2 tests

* add doc.go to node package
This commit is contained in:
Anton Kaliaev
2019-07-30 17:08:11 +04:00
committed by Marko
parent 1e3364a014
commit 88e0973f7d
5 changed files with 86 additions and 11 deletions
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7
node/node_test.go
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@ -288,6 +288,7 @@ func TestNodeNewNodeCustomReactors(t *testing.T) {
defer os.RemoveAll(config.RootDir)
cr := p2pmock.NewReactor()
customBlockchainReactor := p2pmock.NewReactor()
nodeKey, err := p2p.LoadOrGenNodeKey(config.NodeKeyFile())
require.NoError(t, err)
@ -300,7 +301,7 @@ func TestNodeNewNodeCustomReactors(t *testing.T) {
DefaultDBProvider,
DefaultMetricsProvider(config.Instrumentation),
log.TestingLogger(),
CustomReactors(map[string]p2p.Reactor{"FOO": cr}),
CustomReactors(map[string]p2p.Reactor{"FOO": cr, "BLOCKCHAIN": customBlockchainReactor}),
)
require.NoError(t, err)
@ -309,6 +310,10 @@ func TestNodeNewNodeCustomReactors(t *testing.T) {
defer n.Stop()
assert.True(t, cr.IsRunning())
assert.Equal(t, cr, n.Switch().Reactor("FOO"))
assert.True(t, customBlockchainReactor.IsRunning())
assert.Equal(t, customBlockchainReactor, n.Switch().Reactor("BLOCKCHAIN"))
}
func state(nVals int, height int64) (sm.State, dbm.DB) {