From 396bef4ab5af4e153061848cba9b358c59251baf Mon Sep 17 00:00:00 2001
From: battlmonstr <battlmonstr@users.noreply.github.com>
Date: Tue, 10 May 2022 03:49:17 +0200
Subject: [PATCH] p2p: move v4_lookup_test to integration tests (#4107)
The test is flaky when the reply timeout is too low.
Increasing the timeout makes it slow.
Move the test to the integration suite.
Having a higher timeout is fine there.
---
p2p/discover/lookup_util_test.go | 220 +++++++++++++++++++++++++++++++
p2p/discover/v4_lookup_test.go | 216 +-----------------------------
2 files changed, 225 insertions(+), 211 deletions(-)
create mode 100644 p2p/discover/lookup_util_test.go
diff --git a/p2p/discover/lookup_util_test.go b/p2p/discover/lookup_util_test.go
new file mode 100644
index 0000000000..e12b1262e9
--- /dev/null
+++ b/p2p/discover/lookup_util_test.go
@@ -0,0 +1,220 @@
+package discover
+
+import (
+ "crypto/ecdsa"
+ "fmt"
+ "net"
+ "sort"
+ "testing"
+
+ "github.com/ledgerwatch/erigon/crypto"
+ "github.com/ledgerwatch/erigon/p2p/discover/v4wire"
+ "github.com/ledgerwatch/erigon/p2p/enode"
+ "github.com/ledgerwatch/erigon/p2p/enr"
+)
+
+// This is the test network for the Lookup test.
+// The nodes were obtained by running lookupTestnet.mine with a random NodeID as target.
+var lookupTestnet = &preminedTestnet{
+ target: hexEncPubkey("5d485bdcbe9bc89314a10ae9231e429d33853e3a8fa2af39f5f827370a2e4185e344ace5d16237491dad41f278f1d3785210d29ace76cd627b9147ee340b1125"),
+ dists: [257][]*ecdsa.PrivateKey{
+ 251: {
+ hexEncPrivkey("29738ba0c1a4397d6a65f292eee07f02df8e58d41594ba2be3cf84ce0fc58169"),
+ hexEncPrivkey("511b1686e4e58a917f7f848e9bf5539d206a68f5ad6b54b552c2399fe7d174ae"),
+ hexEncPrivkey("d09e5eaeec0fd596236faed210e55ef45112409a5aa7f3276d26646080dcfaeb"),
+ hexEncPrivkey("c1e20dbbf0d530e50573bd0a260b32ec15eb9190032b4633d44834afc8afe578"),
+ hexEncPrivkey("ed5f38f5702d92d306143e5d9154fb21819777da39af325ea359f453d179e80b"),
+ },
+ 252: {
+ hexEncPrivkey("1c9b1cafbec00848d2c174b858219914b42a7d5c9359b1ca03fd650e8239ae94"),
+ hexEncPrivkey("e0e1e8db4a6f13c1ffdd3e96b72fa7012293ced187c9dcdcb9ba2af37a46fa10"),
+ hexEncPrivkey("3d53823e0a0295cb09f3e11d16c1b44d07dd37cec6f739b8df3a590189fe9fb9"),
+ },
+ 253: {
+ hexEncPrivkey("2d0511ae9bf590166597eeab86b6f27b1ab761761eaea8965487b162f8703847"),
+ hexEncPrivkey("6cfbd7b8503073fc3dbdb746a7c672571648d3bd15197ccf7f7fef3d904f53a2"),
+ hexEncPrivkey("a30599b12827b69120633f15b98a7f6bc9fc2e9a0fd6ae2ebb767c0e64d743ab"),
+ hexEncPrivkey("14a98db9b46a831d67eff29f3b85b1b485bb12ae9796aea98d91be3dc78d8a91"),
+ hexEncPrivkey("2369ff1fc1ff8ca7d20b17e2673adc3365c3674377f21c5d9dafaff21fe12e24"),
+ hexEncPrivkey("9ae91101d6b5048607f41ec0f690ef5d09507928aded2410aabd9237aa2727d7"),
+ hexEncPrivkey("05e3c59090a3fd1ae697c09c574a36fcf9bedd0afa8fe3946f21117319ca4973"),
+ hexEncPrivkey("06f31c5ea632658f718a91a1b1b9ae4b7549d7b3bc61cbc2be5f4a439039f3ad"),
+ },
+ 254: {
+ hexEncPrivkey("dec742079ec00ff4ec1284d7905bc3de2366f67a0769431fd16f80fd68c58a7c"),
+ hexEncPrivkey("ff02c8861fa12fbd129d2a95ea663492ef9c1e51de19dcfbbfe1c59894a28d2b"),
+ hexEncPrivkey("4dded9e4eefcbce4262be4fd9e8a773670ab0b5f448f286ec97dfc8cf681444a"),
+ hexEncPrivkey("750d931e2a8baa2c9268cb46b7cd851f4198018bed22f4dceb09dd334a2395f6"),
+ hexEncPrivkey("ce1435a956a98ffec484cd11489c4f165cf1606819ab6b521cee440f0c677e9e"),
+ hexEncPrivkey("996e7f8d1638be92d7328b4770f47e5420fc4bafecb4324fd33b1f5d9f403a75"),
+ hexEncPrivkey("ebdc44e77a6cc0eb622e58cf3bb903c3da4c91ca75b447b0168505d8fc308b9c"),
+ hexEncPrivkey("46bd1eddcf6431bea66fc19ebc45df191c1c7d6ed552dcdc7392885009c322f0"),
+ },
+ 255: {
+ hexEncPrivkey("da8645f90826e57228d9ea72aff84500060ad111a5d62e4af831ed8e4b5acfb8"),
+ hexEncPrivkey("3c944c5d9af51d4c1d43f5d0f3a1a7ef65d5e82744d669b58b5fed242941a566"),
+ hexEncPrivkey("5ebcde76f1d579eebf6e43b0ffe9157e65ffaa391175d5b9aa988f47df3e33da"),
+ hexEncPrivkey("97f78253a7d1d796e4eaabce721febcc4550dd68fb11cc818378ba807a2cb7de"),
+ hexEncPrivkey("a38cd7dc9b4079d1c0406afd0fdb1165c285f2c44f946eca96fc67772c988c7d"),
+ hexEncPrivkey("d64cbb3ffdf712c372b7a22a176308ef8f91861398d5dbaf326fd89c6eaeef1c"),
+ hexEncPrivkey("d269609743ef29d6446e3355ec647e38d919c82a4eb5837e442efd7f4218944f"),
+ hexEncPrivkey("d8f7bcc4a530efde1d143717007179e0d9ace405ddaaf151c4d863753b7fd64c"),
+ },
+ 256: {
+ hexEncPrivkey("8c5b422155d33ea8e9d46f71d1ad3e7b24cb40051413ffa1a81cff613d243ba9"),
+ hexEncPrivkey("937b1af801def4e8f5a3a8bd225a8bcff1db764e41d3e177f2e9376e8dd87233"),
+ hexEncPrivkey("120260dce739b6f71f171da6f65bc361b5fad51db74cf02d3e973347819a6518"),
+ hexEncPrivkey("1fa56cf25d4b46c2bf94e82355aa631717b63190785ac6bae545a88aadc304a9"),
+ hexEncPrivkey("3c38c503c0376f9b4adcbe935d5f4b890391741c764f61b03cd4d0d42deae002"),
+ hexEncPrivkey("3a54af3e9fa162bc8623cdf3e5d9b70bf30ade1d54cc3abea8659aba6cff471f"),
+ hexEncPrivkey("6799a02ea1999aefdcbcc4d3ff9544478be7365a328d0d0f37c26bd95ade0cda"),
+ hexEncPrivkey("e24a7bc9051058f918646b0f6e3d16884b2a55a15553b89bab910d55ebc36116"),
+ },
+ },
+}
+
+type preminedTestnet struct {
+ target enode.PubkeyEncoded
+ dists [hashBits + 1][]*ecdsa.PrivateKey
+}
+
+func (tn *preminedTestnet) len() int {
+ n := 0
+ for _, keys := range tn.dists {
+ n += len(keys)
+ }
+ return n
+}
+
+func (tn *preminedTestnet) nodes() []*enode.Node {
+ result := make([]*enode.Node, 0, tn.len())
+ for dist, keys := range tn.dists {
+ for index := range keys {
+ result = append(result, tn.node(dist, index))
+ }
+ }
+ sortByID(result)
+ return result
+}
+
+func (tn *preminedTestnet) node(dist, index int) *enode.Node {
+ key := tn.dists[dist][index]
+ rec := new(enr.Record)
+ rec.Set(enr.IP{127, byte(dist >> 8), byte(dist), byte(index)})
+ rec.Set(enr.UDP(5000))
+ enode.SignV4(rec, key)
+ n, _ := enode.New(enode.ValidSchemes, rec)
+ return n
+}
+
+func (tn *preminedTestnet) nodeByAddr(addr *net.UDPAddr) (*enode.Node, *ecdsa.PrivateKey) {
+ dist := int(addr.IP[1])<<8 + int(addr.IP[2])
+ index := int(addr.IP[3])
+ key := tn.dists[dist][index]
+ return tn.node(dist, index), key
+}
+
+func (tn *preminedTestnet) nodesAtDistance(dist int) []v4wire.Node {
+ result := make([]v4wire.Node, len(tn.dists[dist]))
+ for i := range result {
+ result[i] = nodeToRPC(wrapNode(tn.node(dist, i)))
+ }
+ return result
+}
+
+func (tn *preminedTestnet) neighborsAtDistances(base *enode.Node, distances []uint, elems int) []*enode.Node {
+ var result []*enode.Node
+ for d := range lookupTestnet.dists {
+ for i := range lookupTestnet.dists[d] {
+ n := lookupTestnet.node(d, i)
+ d := enode.LogDist(base.ID(), n.ID())
+ if containsUint(uint(d), distances) {
+ result = append(result, n)
+ if len(result) >= elems {
+ return result
+ }
+ }
+ }
+ }
+ return result
+}
+
+func (tn *preminedTestnet) closest(n int) (nodes []*enode.Node) {
+ for d := range tn.dists {
+ for i := range tn.dists[d] {
+ nodes = append(nodes, tn.node(d, i))
+ }
+ }
+ sort.Slice(nodes, func(i, j int) bool {
+ return enode.DistCmp(tn.target.ID(), nodes[i].ID(), nodes[j].ID()) < 0
+ })
+ return nodes[:n]
+}
+
+func (tn *preminedTestnet) privateKeys() []*ecdsa.PrivateKey {
+ var keys []*ecdsa.PrivateKey
+ for d := range tn.dists {
+ for _, key := range tn.dists[d] {
+ keys = append(keys, key)
+ }
+ }
+ return keys
+}
+
+var _ = (*preminedTestnet).mine // avoid linter warning about mine being dead code.
+
+// mine generates a testnet struct literal with nodes at
+// various distances to the network's target.
+func (tn *preminedTestnet) mine() {
+ // Clear existing slices first (useful when re-mining).
+ for i := range tn.dists {
+ tn.dists[i] = nil
+ }
+
+ targetSha := tn.target.ID()
+ found, need := 0, 40
+ for found < need {
+ k := newkey()
+ ld := enode.LogDist(targetSha, enode.PubkeyToIDV4(&k.PublicKey))
+ if len(tn.dists[ld]) < 8 {
+ tn.dists[ld] = append(tn.dists[ld], k)
+ found++
+ fmt.Printf("found ID with ld %d (%d/%d)\n", ld, found, need)
+ }
+ }
+ fmt.Printf("&preminedTestnet{\n")
+ fmt.Printf(" target: hexEncPubkey(\"%x\"),\n", tn.target[:])
+ fmt.Printf(" dists: [%d][]*ecdsa.PrivateKey{\n", len(tn.dists))
+ for ld, ns := range tn.dists {
+ if len(ns) == 0 {
+ continue
+ }
+ fmt.Printf(" %d: {\n", ld)
+ for _, key := range ns {
+ fmt.Printf(" hexEncPrivkey(\"%x\"),\n", crypto.FromECDSA(key))
+ }
+ fmt.Printf(" },\n")
+ }
+ fmt.Printf(" },\n")
+ fmt.Printf("}\n")
+}
+
+// checkLookupResults verifies that the results of a lookup are the closest nodes to
+// the testnet's target.
+func checkLookupResults(t *testing.T, tn *preminedTestnet, results []*enode.Node) {
+ t.Helper()
+ t.Logf("results:")
+ for _, e := range results {
+ t.Logf(" ld=%d, %x", enode.LogDist(tn.target.ID(), e.ID()), e.ID().Bytes())
+ }
+ if hasDuplicates(wrapNodes(results)) {
+ t.Errorf("result set contains duplicate entries")
+ }
+ if !sortedByDistanceTo(tn.target.ID(), wrapNodes(results)) {
+ t.Errorf("result set not sorted by distance to target")
+ }
+ wantNodes := tn.closest(len(results))
+ if err := checkNodesEqual(results, wantNodes); err != nil {
+ t.Error(err)
+ }
+}
diff --git a/p2p/discover/v4_lookup_test.go b/p2p/discover/v4_lookup_test.go
index d39ad5bd19..65df058d61 100644
--- a/p2p/discover/v4_lookup_test.go
+++ b/p2p/discover/v4_lookup_test.go
@@ -14,22 +14,22 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+//go:build integration
+// +build integration
+
package discover
import (
"context"
"crypto/ecdsa"
- "fmt"
"net"
"runtime"
- "sort"
"testing"
"time"
"github.com/ledgerwatch/erigon/crypto"
"github.com/ledgerwatch/erigon/p2p/discover/v4wire"
"github.com/ledgerwatch/erigon/p2p/enode"
- "github.com/ledgerwatch/erigon/p2p/enr"
)
func TestUDPv4_Lookup(t *testing.T) {
@@ -39,7 +39,7 @@ func TestUDPv4_Lookup(t *testing.T) {
t.Parallel()
ctx := context.Background()
- ctx = contextWithReplyTimeout(ctx, 200*time.Millisecond)
+ ctx = contextWithReplyTimeout(ctx, time.Second)
test := newUDPTestContext(ctx, t)
defer test.close()
@@ -84,7 +84,7 @@ func TestUDPv4_LookupIterator(t *testing.T) {
return testNetPrivateKeys[testNetPrivateKeyIndex], nil
}
ctx := context.Background()
- ctx = contextWithReplyTimeout(ctx, 200*time.Millisecond)
+ ctx = contextWithReplyTimeout(ctx, time.Second)
ctx = contextWithPrivateKeyGenerator(ctx, privateKeyGenerator)
test := newUDPTestContext(ctx, t)
@@ -170,209 +170,3 @@ func serveTestnet(test *udpTest, testnet *preminedTestnet) {
})
}
}
-
-// checkLookupResults verifies that the results of a lookup are the closest nodes to
-// the testnet's target.
-func checkLookupResults(t *testing.T, tn *preminedTestnet, results []*enode.Node) {
- t.Helper()
- t.Logf("results:")
- for _, e := range results {
- t.Logf(" ld=%d, %x", enode.LogDist(tn.target.ID(), e.ID()), e.ID().Bytes())
- }
- if hasDuplicates(wrapNodes(results)) {
- t.Errorf("result set contains duplicate entries")
- }
- if !sortedByDistanceTo(tn.target.ID(), wrapNodes(results)) {
- t.Errorf("result set not sorted by distance to target")
- }
- wantNodes := tn.closest(len(results))
- if err := checkNodesEqual(results, wantNodes); err != nil {
- t.Error(err)
- }
-}
-
-// This is the test network for the Lookup test.
-// The nodes were obtained by running lookupTestnet.mine with a random NodeID as target.
-var lookupTestnet = &preminedTestnet{
- target: hexEncPubkey("5d485bdcbe9bc89314a10ae9231e429d33853e3a8fa2af39f5f827370a2e4185e344ace5d16237491dad41f278f1d3785210d29ace76cd627b9147ee340b1125"),
- dists: [257][]*ecdsa.PrivateKey{
- 251: {
- hexEncPrivkey("29738ba0c1a4397d6a65f292eee07f02df8e58d41594ba2be3cf84ce0fc58169"),
- hexEncPrivkey("511b1686e4e58a917f7f848e9bf5539d206a68f5ad6b54b552c2399fe7d174ae"),
- hexEncPrivkey("d09e5eaeec0fd596236faed210e55ef45112409a5aa7f3276d26646080dcfaeb"),
- hexEncPrivkey("c1e20dbbf0d530e50573bd0a260b32ec15eb9190032b4633d44834afc8afe578"),
- hexEncPrivkey("ed5f38f5702d92d306143e5d9154fb21819777da39af325ea359f453d179e80b"),
- },
- 252: {
- hexEncPrivkey("1c9b1cafbec00848d2c174b858219914b42a7d5c9359b1ca03fd650e8239ae94"),
- hexEncPrivkey("e0e1e8db4a6f13c1ffdd3e96b72fa7012293ced187c9dcdcb9ba2af37a46fa10"),
- hexEncPrivkey("3d53823e0a0295cb09f3e11d16c1b44d07dd37cec6f739b8df3a590189fe9fb9"),
- },
- 253: {
- hexEncPrivkey("2d0511ae9bf590166597eeab86b6f27b1ab761761eaea8965487b162f8703847"),
- hexEncPrivkey("6cfbd7b8503073fc3dbdb746a7c672571648d3bd15197ccf7f7fef3d904f53a2"),
- hexEncPrivkey("a30599b12827b69120633f15b98a7f6bc9fc2e9a0fd6ae2ebb767c0e64d743ab"),
- hexEncPrivkey("14a98db9b46a831d67eff29f3b85b1b485bb12ae9796aea98d91be3dc78d8a91"),
- hexEncPrivkey("2369ff1fc1ff8ca7d20b17e2673adc3365c3674377f21c5d9dafaff21fe12e24"),
- hexEncPrivkey("9ae91101d6b5048607f41ec0f690ef5d09507928aded2410aabd9237aa2727d7"),
- hexEncPrivkey("05e3c59090a3fd1ae697c09c574a36fcf9bedd0afa8fe3946f21117319ca4973"),
- hexEncPrivkey("06f31c5ea632658f718a91a1b1b9ae4b7549d7b3bc61cbc2be5f4a439039f3ad"),
- },
- 254: {
- hexEncPrivkey("dec742079ec00ff4ec1284d7905bc3de2366f67a0769431fd16f80fd68c58a7c"),
- hexEncPrivkey("ff02c8861fa12fbd129d2a95ea663492ef9c1e51de19dcfbbfe1c59894a28d2b"),
- hexEncPrivkey("4dded9e4eefcbce4262be4fd9e8a773670ab0b5f448f286ec97dfc8cf681444a"),
- hexEncPrivkey("750d931e2a8baa2c9268cb46b7cd851f4198018bed22f4dceb09dd334a2395f6"),
- hexEncPrivkey("ce1435a956a98ffec484cd11489c4f165cf1606819ab6b521cee440f0c677e9e"),
- hexEncPrivkey("996e7f8d1638be92d7328b4770f47e5420fc4bafecb4324fd33b1f5d9f403a75"),
- hexEncPrivkey("ebdc44e77a6cc0eb622e58cf3bb903c3da4c91ca75b447b0168505d8fc308b9c"),
- hexEncPrivkey("46bd1eddcf6431bea66fc19ebc45df191c1c7d6ed552dcdc7392885009c322f0"),
- },
- 255: {
- hexEncPrivkey("da8645f90826e57228d9ea72aff84500060ad111a5d62e4af831ed8e4b5acfb8"),
- hexEncPrivkey("3c944c5d9af51d4c1d43f5d0f3a1a7ef65d5e82744d669b58b5fed242941a566"),
- hexEncPrivkey("5ebcde76f1d579eebf6e43b0ffe9157e65ffaa391175d5b9aa988f47df3e33da"),
- hexEncPrivkey("97f78253a7d1d796e4eaabce721febcc4550dd68fb11cc818378ba807a2cb7de"),
- hexEncPrivkey("a38cd7dc9b4079d1c0406afd0fdb1165c285f2c44f946eca96fc67772c988c7d"),
- hexEncPrivkey("d64cbb3ffdf712c372b7a22a176308ef8f91861398d5dbaf326fd89c6eaeef1c"),
- hexEncPrivkey("d269609743ef29d6446e3355ec647e38d919c82a4eb5837e442efd7f4218944f"),
- hexEncPrivkey("d8f7bcc4a530efde1d143717007179e0d9ace405ddaaf151c4d863753b7fd64c"),
- },
- 256: {
- hexEncPrivkey("8c5b422155d33ea8e9d46f71d1ad3e7b24cb40051413ffa1a81cff613d243ba9"),
- hexEncPrivkey("937b1af801def4e8f5a3a8bd225a8bcff1db764e41d3e177f2e9376e8dd87233"),
- hexEncPrivkey("120260dce739b6f71f171da6f65bc361b5fad51db74cf02d3e973347819a6518"),
- hexEncPrivkey("1fa56cf25d4b46c2bf94e82355aa631717b63190785ac6bae545a88aadc304a9"),
- hexEncPrivkey("3c38c503c0376f9b4adcbe935d5f4b890391741c764f61b03cd4d0d42deae002"),
- hexEncPrivkey("3a54af3e9fa162bc8623cdf3e5d9b70bf30ade1d54cc3abea8659aba6cff471f"),
- hexEncPrivkey("6799a02ea1999aefdcbcc4d3ff9544478be7365a328d0d0f37c26bd95ade0cda"),
- hexEncPrivkey("e24a7bc9051058f918646b0f6e3d16884b2a55a15553b89bab910d55ebc36116"),
- },
- },
-}
-
-type preminedTestnet struct {
- target enode.PubkeyEncoded
- dists [hashBits + 1][]*ecdsa.PrivateKey
-}
-
-func (tn *preminedTestnet) len() int {
- n := 0
- for _, keys := range tn.dists {
- n += len(keys)
- }
- return n
-}
-
-func (tn *preminedTestnet) nodes() []*enode.Node {
- result := make([]*enode.Node, 0, tn.len())
- for dist, keys := range tn.dists {
- for index := range keys {
- result = append(result, tn.node(dist, index))
- }
- }
- sortByID(result)
- return result
-}
-
-func (tn *preminedTestnet) node(dist, index int) *enode.Node {
- key := tn.dists[dist][index]
- rec := new(enr.Record)
- rec.Set(enr.IP{127, byte(dist >> 8), byte(dist), byte(index)})
- rec.Set(enr.UDP(5000))
- enode.SignV4(rec, key)
- n, _ := enode.New(enode.ValidSchemes, rec)
- return n
-}
-
-func (tn *preminedTestnet) nodeByAddr(addr *net.UDPAddr) (*enode.Node, *ecdsa.PrivateKey) {
- dist := int(addr.IP[1])<<8 + int(addr.IP[2])
- index := int(addr.IP[3])
- key := tn.dists[dist][index]
- return tn.node(dist, index), key
-}
-
-func (tn *preminedTestnet) nodesAtDistance(dist int) []v4wire.Node {
- result := make([]v4wire.Node, len(tn.dists[dist]))
- for i := range result {
- result[i] = nodeToRPC(wrapNode(tn.node(dist, i)))
- }
- return result
-}
-
-func (tn *preminedTestnet) neighborsAtDistances(base *enode.Node, distances []uint, elems int) []*enode.Node {
- var result []*enode.Node
- for d := range lookupTestnet.dists {
- for i := range lookupTestnet.dists[d] {
- n := lookupTestnet.node(d, i)
- d := enode.LogDist(base.ID(), n.ID())
- if containsUint(uint(d), distances) {
- result = append(result, n)
- if len(result) >= elems {
- return result
- }
- }
- }
- }
- return result
-}
-
-func (tn *preminedTestnet) closest(n int) (nodes []*enode.Node) {
- for d := range tn.dists {
- for i := range tn.dists[d] {
- nodes = append(nodes, tn.node(d, i))
- }
- }
- sort.Slice(nodes, func(i, j int) bool {
- return enode.DistCmp(tn.target.ID(), nodes[i].ID(), nodes[j].ID()) < 0
- })
- return nodes[:n]
-}
-
-func (tn *preminedTestnet) privateKeys() []*ecdsa.PrivateKey {
- var keys []*ecdsa.PrivateKey
- for d := range tn.dists {
- for _, key := range tn.dists[d] {
- keys = append(keys, key)
- }
- }
- return keys
-}
-
-var _ = (*preminedTestnet).mine // avoid linter warning about mine being dead code.
-
-// mine generates a testnet struct literal with nodes at
-// various distances to the network's target.
-func (tn *preminedTestnet) mine() {
- // Clear existing slices first (useful when re-mining).
- for i := range tn.dists {
- tn.dists[i] = nil
- }
-
- targetSha := tn.target.ID()
- found, need := 0, 40
- for found < need {
- k := newkey()
- ld := enode.LogDist(targetSha, enode.PubkeyToIDV4(&k.PublicKey))
- if len(tn.dists[ld]) < 8 {
- tn.dists[ld] = append(tn.dists[ld], k)
- found++
- fmt.Printf("found ID with ld %d (%d/%d)\n", ld, found, need)
- }
- }
- fmt.Printf("&preminedTestnet{\n")
- fmt.Printf(" target: hexEncPubkey(\"%x\"),\n", tn.target[:])
- fmt.Printf(" dists: [%d][]*ecdsa.PrivateKey{\n", len(tn.dists))
- for ld, ns := range tn.dists {
- if len(ns) == 0 {
- continue
- }
- fmt.Printf(" %d: {\n", ld)
- for _, key := range ns {
- fmt.Printf(" hexEncPrivkey(\"%x\"),\n", crypto.FromECDSA(key))
- }
- fmt.Printf(" },\n")
- }
- fmt.Printf(" },\n")
- fmt.Printf("}\n")
-}
--
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