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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| package simulator |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| // Copyright (c) 2020 The qitmeer developers | ||
| // Use of this source code is governed by an ISC | ||
| // license that can be found in the LICENSE file. | ||
|
|
||
| package testprivatekey | ||
|
|
||
| import ( | ||
| "encoding/binary" | ||
| "encoding/hex" | ||
| "github.com/Qitmeer/qng/common/hash" | ||
| "github.com/Qitmeer/qng/crypto/bip32" | ||
| "github.com/Qitmeer/qng/params" | ||
| ) | ||
|
|
||
| const ( | ||
| CoinbaseIdx = 0 | ||
| Password = "12345" | ||
| ) | ||
|
|
||
| var ( | ||
| // the default seed used in the testWallet | ||
| defaultSeed = [hash.HashSize]byte{ | ||
| 0x7e, 0x44, 0x5a, 0xa5, 0xff, 0xd8, 0x34, 0xcb, | ||
| 0x2d, 0x3b, 0x2d, 0xb5, 0x0f, 0x89, 0x97, 0xdd, | ||
| 0x21, 0xaf, 0x29, 0xbe, 0xc3, 0xd2, 0x96, 0xaa, | ||
| 0xa0, 0x66, 0xd9, 0x02, 0xb9, 0x3f, 0x48, 0x4b, | ||
| } | ||
| ) | ||
|
|
||
| type Builder struct { | ||
| // the bip32 master extended private key from a seed | ||
| hdMaster *bip32.Key | ||
| // the next hd child number from the master | ||
| hdChildNumer uint32 | ||
| // privkeys cached all private keys which derived from the master private key. | ||
| // the keys of the private key map are their hd child number. | ||
| privkeys map[uint32][]byte | ||
| } | ||
|
|
||
| func NewBuilder(id uint32) (*Builder, error) { | ||
| params := params.ActiveNetParams.Params | ||
| // The final seed is seed || nodeId, the purpose to make sure that each harness | ||
| // node use a deterministic private key based on the its node id. | ||
| var finalSeed [hash.HashSize + 4]byte | ||
| // t.Logf("seed is %v",hexutil.Encode(seed[:])) | ||
| copy(finalSeed[:], defaultSeed[:]) | ||
| // t.Logf("finalseed is %v",hexutil.Encode(finalSeed[:])) | ||
| binary.LittleEndian.PutUint32(finalSeed[hash.HashSize:], id) | ||
| version := bip32.Bip32Version{ | ||
| PrivKeyVersion: params.HDPrivateKeyID[:], | ||
| PubKeyVersion: params.HDPublicKeyID[:], | ||
| } | ||
| // t.Logf("finalseed is %v",hexutil.Encode(finalSeed[:])) | ||
| hdMaster, err := bip32.NewMasterKey2(finalSeed[:], version) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| child0, err := hdMaster.NewChildKey(0) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| key0 := child0.Key | ||
| privkeys := make(map[uint32][]byte) | ||
| privkeys[0] = key0 | ||
|
|
||
| return &Builder{ | ||
| hdMaster: hdMaster, | ||
| hdChildNumer: 1, | ||
| privkeys: privkeys, | ||
| }, nil | ||
| } | ||
|
|
||
| func (b *Builder) Build() ([]byte, error) { | ||
| num := b.hdChildNumer | ||
| childx, err := b.hdMaster.NewChildKey(num) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| b.privkeys[num] = childx.Key | ||
| b.hdChildNumer++ | ||
| return childx.Key, nil | ||
| } | ||
|
|
||
| func (b *Builder) Get(idx int) []byte { | ||
| if idx >= len(b.privkeys) { | ||
| return nil | ||
| } | ||
| return b.privkeys[uint32(idx)] | ||
| } | ||
|
|
||
| func (b *Builder) GetHex(idx int) string { | ||
| if idx >= len(b.privkeys) { | ||
| return "" | ||
| } | ||
| return hex.EncodeToString(b.privkeys[uint32(idx)]) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| package testprivatekey | ||
|
|
||
| import ( | ||
| "github.com/Qitmeer/qng/common/util/hexutil" | ||
| "github.com/Qitmeer/qng/params" | ||
| "testing" | ||
| ) | ||
|
|
||
| var ( | ||
| expect = struct { | ||
| ver string | ||
| key string | ||
| chaincode string | ||
| priv0 string | ||
| priv1 string | ||
| }{ | ||
| "0x040bee6e", | ||
| "0x38015593945529cc0bd761108ad2fbd98a3f5f8e030c5acd3747ce3e54d95c16", | ||
| "0x4eb4e56ada09795313734db329c362923c5b6fac75b924780e68b9c9b18a24b3", | ||
| "0xe0b26a52b1a9676a365d6452fb04a1c05b58e959683862d73105e58d4416baba", | ||
| "0xfff2cefe258ca60ae5f5abec99b5d63e2a561c40d784ee50b04eddf8efc84b0d", | ||
| } | ||
| ) | ||
|
|
||
| func TestPrivateKeyBuild(t *testing.T) { | ||
| params.ActiveNetParams = ¶ms.PrivNetParam | ||
| pb, err := NewBuilder(0) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| if hexutil.Encode(pb.hdMaster.Key) != expect.key { | ||
| t.Fatalf("hd master key not matched, expect %v but got %v", pb.hdMaster.Key, expect.key) | ||
| } | ||
| if hexutil.Encode(pb.hdMaster.Version) != expect.ver { | ||
| t.Fatalf("hd master version not matched, expect %v but got %v", pb.hdMaster.Version, expect.ver) | ||
| } | ||
| if hexutil.Encode(pb.hdMaster.ChainCode) != expect.chaincode { | ||
| t.Fatalf("hd master chain code not matched, expect %v but got %v", pb.hdMaster.ChainCode, expect.chaincode) | ||
| } | ||
|
|
||
| _, err = pb.Build() | ||
| if err != nil { | ||
| t.Fatalf("failed get new address : %v", err) | ||
| } | ||
| if hexutil.Encode(pb.Get(0)) != expect.priv0 { | ||
| t.Fatalf("hd key0 priv key not matched, expect %x but got %v", pb.Get(0), expect.priv0) | ||
| } | ||
| if hexutil.Encode(pb.Get(1)) != expect.priv1 { | ||
| t.Fatalf("hd key0 priv key not matched, expect %x but got %v", pb.Get(1), expect.priv1) | ||
| } | ||
| } |
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