func NewClient(t time.Duration, dist, beta int, index int64, graph string) *Client {
sk, err := sign.GenerateKey(elliptic.P256(), rand.Reader)
if err != nil {
panic(err)
}
pk := sk.Public()
pkBytes, err := json.Marshal(pk)
if err != nil {
panic(err)
}
prover := pos.NewProver(pkBytes, index, "Xi", graph)
commit := prover.Init()
verifier := pos.NewVerifier(pkBytes, index, beta, commit.Commit)
c := Client{
sk: sk,
pk: pk,
t: t,
dist: dist,
sols: make(chan *block.Block, 100), // nomially say 100 answers per round..
index: index,
prover: prover,
verifier: verifier,
commit: *commit,
}
return &c
}
func TestMain(m *testing.M) {
os.Remove("block.chain")
chain = NewBlockChain("block.chain")
pk := []byte{1}
pos.Setup(pk, 4, "../pos/graph")
prover := pos.NewProver(pk, 4, "../pos/graph")
commit := prover.Init()
pos := PoS{
Commit: *commit,
Challenge: []byte{2},
Answer: Answer{
Size: 4,
Hashes: [][]byte{[]byte{3}, []byte{4}},
Proofs: nil,
},
Quality: 1.3,
}
ts := make([]Transaction, 2)
sk, _ := sign.GenerateKey(elliptic.P256(), rand.Reader)
oldB = &Block{
Id: 0,
Hash: Hash{},
Trans: make([]Transaction, 3),
Sig: Signature{},
}
b = NewBlock(oldB, pos, ts, sk)
os.Exit(m.Run())
}
func main() {
idx := flag.Int("index", 1, "graph index")
name := flag.String("name", "Xi", "graph name")
dir := flag.String("file", "/media/storage/Xi", "graph location")
mode := flag.String("mode", "gen", "mode:[gen|commit]")
flag.Parse()
pk := []byte{1}
beta := 30
now := time.Now()
prover := pos.NewProver(pk, int64(*idx), *name, *dir)
if *mode == "gen" {
fmt.Printf("%d. Graph gen: %fs\n", *idx, time.Since(now).Seconds())
} else if *mode == "commit" {
now = time.Now()
prover.Init()
fmt.Printf("%d. Graph commit: %fs\n", *idx, time.Since(now).Seconds())
} else if *mode == "check" {
commit := prover.PreInit()
root := commit.Commit
verifier := pos.NewVerifier(pk, int64(*idx), beta, root)
seed := make([]byte, 64)
rand.Read(seed)
cs := verifier.SelectChallenges(seed)
now = time.Now()
hashes, parents, proofs, pProofs := prover.ProveSpace(cs)
fmt.Printf("Prove: %f\n", time.Since(now).Seconds())
now = time.Now()
if !verifier.VerifySpace(cs, hashes, parents, proofs, pProofs) {
log.Fatal("Verify space failed:", cs)
}
fmt.Printf("Verify: %f\n", time.Since(now).Seconds())
}
}