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59 lines
1.6 KiB
59 lines
1.6 KiB
package lite_test
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/tendermint/tendermint/types"
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"github.com/tendermint/tendermint/lite"
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liteErr "github.com/tendermint/tendermint/lite/errors"
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)
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func TestStaticCert(t *testing.T) {
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// assert, require := assert.New(t), require.New(t)
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assert := assert.New(t)
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// require := require.New(t)
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keys := lite.GenValKeys(4)
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// 20, 30, 40, 50 - the first 3 don't have 2/3, the last 3 do!
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vals := keys.ToValidators(20, 10)
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// and a certifier based on our known set
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chainID := "test-static"
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cert := lite.NewStaticCertifier(chainID, vals)
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cases := []struct {
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keys lite.ValKeys
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vals *types.ValidatorSet
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height int64
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first, last int // who actually signs
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proper bool // true -> expect no error
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changed bool // true -> expect validator change error
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}{
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// perfect, signed by everyone
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{keys, vals, 1, 0, len(keys), true, false},
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// skip little guy is okay
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{keys, vals, 2, 1, len(keys), true, false},
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// but not the big guy
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{keys, vals, 3, 0, len(keys) - 1, false, false},
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// even changing the power a little bit breaks the static validator
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// the sigs are enough, but the validator hash is unknown
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{keys, keys.ToValidators(20, 11), 4, 0, len(keys), false, true},
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}
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for _, tc := range cases {
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check := tc.keys.GenCommit(chainID, tc.height, nil, tc.vals,
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[]byte("foo"), []byte("params"), []byte("results"), tc.first, tc.last)
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err := cert.Certify(check)
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if tc.proper {
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assert.Nil(err, "%+v", err)
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} else {
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assert.NotNil(err)
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if tc.changed {
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assert.True(liteErr.IsValidatorsChangedErr(err), "%+v", err)
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}
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}
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}
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}
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