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util.go
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util.go
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package simulation
import (
"encoding/json"
"fmt"
"testing"
"github.com/tessornetwork/mokita/simulation/simtypes"
)
func getTestingMode(tb testing.TB) (testingMode bool, t *testing.T, b *testing.B) {
testingMode = false
if _t, ok := tb.(*testing.T); ok {
t = _t
testingMode = true
} else {
//nolint:forcetypeassert
b = tb.(*testing.B)
}
return testingMode, t, b
}
// getBlockSize returns a block size as determined from the transition matrix.
// It targets making average block size the provided parameter. The three
// states it moves between are:
// - "over stuffed" blocks with average size of 2 * avgblocksize,
// - normal sized blocks, hitting avgBlocksize on average,
// - and empty blocks, with no txs / only txs scheduled from the past.
func getBlockSize(simCtx *simtypes.SimCtx, params Params, lastBlockSizeState, avgBlockSize int) (state, blockSize int) {
r := simCtx.GetSeededRand("get block size")
// TODO: Make default blocksize transition matrix actually make the average
// blocksize equal to avgBlockSize.
state = params.BlockSizeTransitionMatrix().NextState(r, lastBlockSizeState)
switch state {
case 0:
blockSize = r.Intn(avgBlockSize * 4)
case 1:
blockSize = r.Intn(avgBlockSize * 2)
default:
blockSize = 0
}
return state, blockSize
}
func mustMarshalJSONIndent(o interface{}) []byte {
bz, err := json.MarshalIndent(o, "", " ")
if err != nil {
panic(fmt.Sprintf("failed to JSON encode: %s", err))
}
return bz
}