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Abstract CheckProofOfWork as a public function and change PoW structure (#1198)

Browse Source 
* Expose CheckProofOfWork from model/pow

* Update blockvalidator to call the new CheckProofOfWork

* Update genesis blocks

* Update tools to use the new CheckProofOfWork

* Update tests with new PoW
This commit is contained in:
Elichai Turkel 2020-12-08 17:17:30 +02:00 committed by GitHub
parent b7ca3f4461
commit 82fa8e6831
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 127 additions and 83 deletions
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6
cmd/kaspaminer/mineloop.go
View File

@ -2,13 +2,12 @@ package main
import (
nativeerrors "errors"
"github.com/kaspanet/kaspad/domain/consensus/model/pow"
"math/rand"
"sync"
"sync/atomic"
"time"
"github.com/kaspanet/kaspad/domain/consensus/utils/hashes"
"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
@ -114,9 +113,8 @@ func solveBlock(block *externalapi.DomainBlock, stopChan chan struct{}, foundBlo
return
default:
block.Header.Nonce = i
hash := consensushashing.BlockHash(block)
atomic.AddUint64(&hashesTried, 1)
if hashes.ToBig(hash).Cmp(targetDifficulty) <= 0 {
if pow.CheckProofOfWorkWithTarget(block.Header, targetDifficulty) {
foundBlock <- block
return
}

57
domain/consensus/model/pow/pow.go Normal file
View File

@ -0,0 +1,57 @@
package pow
import (
"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
"github.com/kaspanet/kaspad/domain/consensus/utils/hashes"
"github.com/kaspanet/kaspad/domain/consensus/utils/serialization"
"github.com/kaspanet/kaspad/util"
"github.com/pkg/errors"
"math/big"
)
// CheckProofOfWorkWithTarget check's if the block has a valid PoW according to the provided target
// it does not check if the difficulty itself is valid or less than the maximum for the appropriate network
func CheckProofOfWorkWithTarget(header *externalapi.DomainBlockHeader, target *big.Int) bool {
// The block pow must be less than the claimed target
powNum := calcPowValue(header)
// The block hash must be less or equal than the claimed target.
return powNum.Cmp(target) <= 0
}
// CheckProofOfWorkByBits check's if the block has a valid PoW according to its Bits field
// it does not check if the difficulty itself is valid or less than the maximum for the appropriate network
func CheckProofOfWorkByBits(header *externalapi.DomainBlockHeader) bool {
return CheckProofOfWorkWithTarget(header, util.CompactToBig(header.Bits))
}
func calcPowValue(header *externalapi.DomainBlockHeader) *big.Int {
// Zero out the time and nonce.
timestamp, nonce := header.TimeInMilliseconds, header.Nonce
header.TimeInMilliseconds, header.Nonce = 0, 0
prePowHash := consensushashing.HeaderHash(header)
header.TimeInMilliseconds, header.Nonce = timestamp, nonce
// PRE_POW_HASH || TIME || 32 zero byte padding || NONCE
writer := hashes.NewHashWriter()
_, err := writer.Write(prePowHash[:])
if err != nil {
panic(errors.Wrap(err, "this should never happen. SHA256's digest should never return an error"))
}
err = serialization.WriteElement(writer, timestamp)
if err != nil {
panic(errors.Wrap(err, "this should never happen. SHA256's digest should never return an error"))
}
zeroes := [32]byte{}
_, err = writer.Write(zeroes[:])
if err != nil {
panic(errors.Wrap(err, "this should never happen. SHA256's digest should never return an error"))
}
err = serialization.WriteElement(writer, nonce)
if err != nil {
panic(errors.Wrap(err, "this should never happen. SHA256's digest should never return an error"))
}
return hashes.ToBig(writer.Finalize())
}

16
domain/consensus/processes/blockvalidator/proof_of_work.go
View File

@ -2,9 +2,8 @@ package blockvalidator
import (
"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
"github.com/kaspanet/kaspad/domain/consensus/model/pow"
"github.com/kaspanet/kaspad/domain/consensus/ruleerrors"
"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
"github.com/kaspanet/kaspad/domain/consensus/utils/hashes"
"github.com/kaspanet/kaspad/util"
"github.com/pkg/errors"
)
@ -89,18 +88,13 @@ func (v *blockValidator) checkProofOfWork(header *externalapi.DomainBlockHeader)
"higher than max of %064x", target, v.powMax)
}
// The block hash must be less than the claimed target unless the flag
// to avoid proof of work checks is set.
// The block pow must be valid unless the flag to avoid proof of work checks is set.
if !v.skipPoW {
// The block hash must be less than the claimed target.
hash := consensushashing.HeaderHash(header)
hashNum := hashes.ToBig(hash)
if hashNum.Cmp(target) > 0 {
return errors.Wrapf(ruleerrors.ErrUnexpectedDifficulty, "block hash of %064x is higher than "+
"expected max of %064x", hashNum, target)
valid := pow.CheckProofOfWorkWithTarget(header, target)
if !valid {
return errors.Wrap(ruleerrors.ErrUnexpectedDifficulty, "block has invalid difficulty")
}
}
return nil
}

72
domain/consensus/processes/dagtraversalmanager/window_test.go
View File

@ -36,12 +36,12 @@ func TestBlueBlockWindow(t *testing.T) {
{
parents: []string{"D", "C"},
id: "E",
expectedWindowWithGenesisPadding: []string{"D", "C", "B", "A", "A", "A", "A", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"C", "D", "B", "A", "A", "A", "A", "A", "A", "A"},
},
{
parents: []string{"D", "C"},
id: "F",
expectedWindowWithGenesisPadding: []string{"D", "C", "B", "A", "A", "A", "A", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"C", "D", "B", "A", "A", "A", "A", "A", "A", "A"},
},
{
parents: []string{"A"},
@ -56,37 +56,37 @@ func TestBlueBlockWindow(t *testing.T) {
{
parents: []string{"H", "F"},
id: "I",
expectedWindowWithGenesisPadding: []string{"F", "D", "H", "C", "B", "G", "A", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"F", "C", "H", "D", "B", "G", "A", "A", "A", "A"},
},
{
parents: []string{"I"},
id: "J",
expectedWindowWithGenesisPadding: []string{"I", "F", "D", "H", "C", "B", "G", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"I", "F", "C", "H", "D", "B", "G", "A", "A", "A"},
},
{
parents: []string{"J"},
id: "K",
expectedWindowWithGenesisPadding: []string{"J", "I", "F", "D", "H", "C", "B", "G", "A", "A"},
expectedWindowWithGenesisPadding: []string{"J", "I", "F", "C", "H", "D", "B", "G", "A", "A"},
},
{
parents: []string{"K"},
id: "L",
expectedWindowWithGenesisPadding: []string{"K", "J", "I", "F", "D", "H", "C", "B", "G", "A"},
expectedWindowWithGenesisPadding: []string{"K", "J", "I", "F", "C", "H", "D", "B", "G", "A"},
},
{
parents: []string{"L"},
id: "M",
expectedWindowWithGenesisPadding: []string{"L", "K", "J", "I", "F", "D", "H", "C", "B", "G"},
expectedWindowWithGenesisPadding: []string{"L", "K", "J", "I", "F", "C", "H", "D", "B", "G"},
},
{
parents: []string{"M"},
id: "N",
expectedWindowWithGenesisPadding: []string{"M", "L", "K", "J", "I", "F", "D", "H", "C", "B"},
expectedWindowWithGenesisPadding: []string{"M", "L", "K", "J", "I", "F", "C", "H", "D", "B"},
},
{
parents: []string{"N"},
id: "O",
expectedWindowWithGenesisPadding: []string{"N", "M", "L", "K", "J", "I", "F", "D", "H", "C"},
expectedWindowWithGenesisPadding: []string{"N", "M", "L", "K", "J", "I", "F", "C", "H", "D"},
},
},
"kaspa-testnet": {
@ -108,12 +108,12 @@ func TestBlueBlockWindow(t *testing.T) {
{
parents: []string{"D", "C"},
id: "E",
expectedWindowWithGenesisPadding: []string{"C", "D", "B", "A", "A", "A", "A", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"D", "C", "B", "A", "A", "A", "A", "A", "A", "A"},
},
{
parents: []string{"D", "C"},
id: "F",
expectedWindowWithGenesisPadding: []string{"C", "D", "B", "A", "A", "A", "A", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"D", "C", "B", "A", "A", "A", "A", "A", "A", "A"},
},
{
parents: []string{"A"},
@ -128,37 +128,37 @@ func TestBlueBlockWindow(t *testing.T) {
{
parents: []string{"H", "F"},
id: "I",
expectedWindowWithGenesisPadding: []string{"F", "C", "H", "D", "B", "G", "A", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"F", "D", "C", "H", "G", "B", "A", "A", "A", "A"},
},
{
parents: []string{"I"},
id: "J",
expectedWindowWithGenesisPadding: []string{"I", "F", "C", "H", "D", "B", "G", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"I", "F", "D", "C", "H", "G", "B", "A", "A", "A"},
},
{
parents: []string{"J"},
id: "K",
expectedWindowWithGenesisPadding: []string{"J", "I", "F", "C", "H", "D", "B", "G", "A", "A"},
expectedWindowWithGenesisPadding: []string{"J", "I", "F", "D", "C", "H", "G", "B", "A", "A"},
},
{
parents: []string{"K"},
id: "L",
expectedWindowWithGenesisPadding: []string{"K", "J", "I", "F", "C", "H", "D", "B", "G", "A"},
expectedWindowWithGenesisPadding: []string{"K", "J", "I", "F", "D", "C", "H", "G", "B", "A"},
},
{
parents: []string{"L"},
id: "M",
expectedWindowWithGenesisPadding: []string{"L", "K", "J", "I", "F", "C", "H", "D", "B", "G"},
expectedWindowWithGenesisPadding: []string{"L", "K", "J", "I", "F", "D", "C", "H", "G", "B"},
},
{
parents: []string{"M"},
id: "N",
expectedWindowWithGenesisPadding: []string{"M", "L", "K", "J", "I", "F", "C", "H", "D", "B"},
expectedWindowWithGenesisPadding: []string{"M", "L", "K", "J", "I", "F", "D", "C", "H", "G"},
},
{
parents: []string{"N"},
id: "O",
expectedWindowWithGenesisPadding: []string{"N", "M", "L", "K", "J", "I", "F", "C", "H", "D"},
expectedWindowWithGenesisPadding: []string{"N", "M", "L", "K", "J", "I", "F", "D", "C", "H"},
},
},
"kaspa-devnet": {
@ -180,12 +180,12 @@ func TestBlueBlockWindow(t *testing.T) {
{
parents: []string{"C", "D"},
id: "E",
expectedWindowWithGenesisPadding: []string{"C", "D", "B", "A", "A", "A", "A", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"D", "C", "B", "A", "A", "A", "A", "A", "A", "A"},
},
{
parents: []string{"C", "D"},
id: "F",
expectedWindowWithGenesisPadding: []string{"C", "D", "B", "A", "A", "A", "A", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"D", "C", "B", "A", "A", "A", "A", "A", "A", "A"},
},
{
parents: []string{"A"},
@ -200,37 +200,37 @@ func TestBlueBlockWindow(t *testing.T) {
{
parents: []string{"H", "F"},
id: "I",
expectedWindowWithGenesisPadding: []string{"F", "C", "H", "D", "B", "G", "A", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"F", "D", "H", "C", "G", "B", "A", "A", "A", "A"},
},
{
parents: []string{"I"},
id: "J",
expectedWindowWithGenesisPadding: []string{"I", "F", "C", "H", "D", "B", "G", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"I", "F", "D", "H", "C", "G", "B", "A", "A", "A"},
},
{
parents: []string{"J"},
id: "K",
expectedWindowWithGenesisPadding: []string{"J", "I", "F", "C", "H", "D", "B", "G", "A", "A"},
expectedWindowWithGenesisPadding: []string{"J", "I", "F", "D", "H", "C", "G", "B", "A", "A"},
},
{
parents: []string{"K"},
id: "L",
expectedWindowWithGenesisPadding: []string{"K", "J", "I", "F", "C", "H", "D", "B", "G", "A"},
expectedWindowWithGenesisPadding: []string{"K", "J", "I", "F", "D", "H", "C", "G", "B", "A"},
},
{
parents: []string{"L"},
id: "M",
expectedWindowWithGenesisPadding: []string{"L", "K", "J", "I", "F", "C", "H", "D", "B", "G"},
expectedWindowWithGenesisPadding: []string{"L", "K", "J", "I", "F", "D", "H", "C", "G", "B"},
},
{
parents: []string{"M"},
id: "N",
expectedWindowWithGenesisPadding: []string{"M", "L", "K", "J", "I", "F", "C", "H", "D", "B"},
expectedWindowWithGenesisPadding: []string{"M", "L", "K", "J", "I", "F", "D", "H", "C", "G"},
},
{
parents: []string{"N"},
id: "O",
expectedWindowWithGenesisPadding: []string{"N", "M", "L", "K", "J", "I", "F", "C", "H", "D"},
expectedWindowWithGenesisPadding: []string{"N", "M", "L", "K", "J", "I", "F", "D", "H", "C"},
},
},
"kaspa-simnet": {
@ -252,12 +252,12 @@ func TestBlueBlockWindow(t *testing.T) {
{
parents: []string{"C", "D"},
id: "E",
expectedWindowWithGenesisPadding: []string{"D", "C", "B", "A", "A", "A", "A", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"C", "D", "B", "A", "A", "A", "A", "A", "A", "A"},
},
{
parents: []string{"C", "D"},
id: "F",
expectedWindowWithGenesisPadding: []string{"D", "C", "B", "A", "A", "A", "A", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"C", "D", "B", "A", "A", "A", "A", "A", "A", "A"},
},
{
parents: []string{"A"},
@ -272,37 +272,37 @@ func TestBlueBlockWindow(t *testing.T) {
{
parents: []string{"H", "F"},
id: "I",
expectedWindowWithGenesisPadding: []string{"F", "D", "C", "H", "B", "G", "A", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"F", "C", "D", "H", "B", "G", "A", "A", "A", "A"},
},
{
parents: []string{"I"},
id: "J",
expectedWindowWithGenesisPadding: []string{"I", "F", "D", "C", "H", "B", "G", "A", "A", "A"},
expectedWindowWithGenesisPadding: []string{"I", "F", "C", "D", "H", "B", "G", "A", "A", "A"},
},
{
parents: []string{"J"},
id: "K",
expectedWindowWithGenesisPadding: []string{"J", "I", "F", "D", "C", "H", "B", "G", "A", "A"},
expectedWindowWithGenesisPadding: []string{"J", "I", "F", "C", "D", "H", "B", "G", "A", "A"},
},
{
parents: []string{"K"},
id: "L",
expectedWindowWithGenesisPadding: []string{"K", "J", "I", "F", "D", "C", "H", "B", "G", "A"},
expectedWindowWithGenesisPadding: []string{"K", "J", "I", "F", "C", "D", "H", "B", "G", "A"},
},
{
parents: []string{"L"},
id: "M",
expectedWindowWithGenesisPadding: []string{"L", "K", "J", "I", "F", "D", "C", "H", "B", "G"},
expectedWindowWithGenesisPadding: []string{"L", "K", "J", "I", "F", "C", "D", "H", "B", "G"},
},
{
parents: []string{"M"},
id: "N",
expectedWindowWithGenesisPadding: []string{"M", "L", "K", "J", "I", "F", "D", "C", "H", "B"},
expectedWindowWithGenesisPadding: []string{"M", "L", "K", "J", "I", "F", "C", "D", "H", "B"},
},
{
parents: []string{"N"},
id: "O",
expectedWindowWithGenesisPadding: []string{"N", "M", "L", "K", "J", "I", "F", "D", "C", "H"},
expectedWindowWithGenesisPadding: []string{"N", "M", "L", "K", "J", "I", "F", "C", "D", "H"},
},
},
}

6
domain/consensus/utils/mining/solve.go
View File

@ -1,12 +1,11 @@
package mining
import (
"github.com/kaspanet/kaspad/domain/consensus/model/pow"
"math"
"math/rand"
"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
"github.com/kaspanet/kaspad/domain/consensus/utils/hashes"
utilsMath "github.com/kaspanet/kaspad/domain/consensus/utils/math"
"github.com/pkg/errors"
)
@ -17,8 +16,7 @@ func SolveBlock(block *externalapi.DomainBlock, rd *rand.Rand) {
for i := rd.Uint64(); i < math.MaxUint64; i++ {
block.Header.Nonce = i
hash := consensushashing.BlockHash(block)
if hashes.ToBig(hash).Cmp(targetDifficulty) <= 0 {
if pow.CheckProofOfWorkWithTarget(block.Header, targetDifficulty) {
return
}
}

46
domain/dagconfig/genesis.go
View File

@ -28,10 +28,10 @@ var genesisCoinbaseTx = transactionhelper.NewSubnetworkTransaction(1, []*externa
// genesisHash is the hash of the first block in the block DAG for the main
// network (genesis block).
var genesisHash = externalapi.DomainHash{
0xbb, 0xc1, 0x88, 0xdd, 0x56, 0x9d, 0x46, 0xbd,
0x36, 0xb0, 0x31, 0x52, 0x49, 0x93, 0xac, 0x70,
0x1d, 0x36, 0xf1, 0xb3, 0xd2, 0x2f, 0xe5, 0x51,
0x7c, 0x8b, 0x1a, 0xaf, 0x3c, 0x82, 0x6f, 0x18,
0xfe, 0x18, 0xeb, 0xc3, 0x20, 0xe2, 0xdf, 0x7b,
0xf5, 0x62, 0x27, 0xe4, 0x8c, 0x32, 0xdd, 0x06,
0x19, 0xe2, 0xf9, 0xb1, 0xef, 0xf4, 0x96, 0x38,
0x6b, 0x1f, 0x11, 0xba, 0x0b, 0x9f, 0x92, 0xa8,
}
// genesisMerkleRoot is the hash of the first transaction in the genesis block
@ -52,7 +52,7 @@ var genesisBlock = externalapi.DomainBlock{
HashMerkleRoot: genesisMerkleRoot,
AcceptedIDMerkleRoot: externalapi.DomainHash{},
UTXOCommitment: externalapi.DomainHash{},
TimeInMilliseconds: 0x175bc9e305a,
TimeInMilliseconds: 0x1763db5c4a9,
Bits: 0x207fffff,
Nonce: 0x0,
},
@ -79,10 +79,10 @@ var devnetGenesisCoinbaseTx = transactionhelper.NewSubnetworkTransaction(1,
// devGenesisHash is the hash of the first block in the block DAG for the development
// network (genesis block).
var devnetGenesisHash = externalapi.DomainHash{
0x92, 0xb5, 0x28, 0xd3, 0xaa, 0x6d, 0x8b, 0x30,
0x49, 0x19, 0x53, 0x6f, 0x62, 0xce, 0x9a, 0x82,
0x2f, 0x91, 0xd4, 0x33, 0x24, 0xbc, 0x39, 0xe6,
0xad, 0x53, 0xe3, 0x97, 0x5f, 0x03, 0x00, 0x00,
0x13, 0x2d, 0xfc, 0xf3, 0xcf, 0x03, 0xfb, 0x21,
0x30, 0xb8, 0x67, 0x79, 0xbc, 0x2e, 0x18, 0x4e,
0x08, 0xd7, 0xeb, 0xf7, 0xb6, 0x86, 0x3c, 0x3e,
0xe0, 0x8c, 0x8d, 0x02, 0x3c, 0xfd, 0xfe, 0x66,
}
// devnetGenesisMerkleRoot is the hash of the first transaction in the genesis block
@ -103,9 +103,9 @@ var devnetGenesisBlock = externalapi.DomainBlock{
HashMerkleRoot: devnetGenesisMerkleRoot,
AcceptedIDMerkleRoot: externalapi.DomainHash{},
UTXOCommitment: externalapi.DomainHash{},
TimeInMilliseconds: 0x175bca27b7f,
TimeInMilliseconds: 0x1763db5c4a9,
Bits: 0x1e7fffff,
Nonce: 0x1a9ba,
Nonce: 0x281ad,
},
Transactions: []*externalapi.DomainTransaction{devnetGenesisCoinbaseTx},
}
@ -129,10 +129,10 @@ var simnetGenesisCoinbaseTx = transactionhelper.NewSubnetworkTransaction(1,
// simnetGenesisHash is the hash of the first block in the block DAG for
// the simnet (genesis block).
var simnetGenesisHash = externalapi.DomainHash{
0x84, 0x96, 0x38, 0xb6, 0x5c, 0x44, 0xc0, 0xb9,
0x3c, 0x48, 0x03, 0x7c, 0x2e, 0xee, 0x0a, 0xbf,
0xfb, 0x54, 0xc8, 0x5f, 0x99, 0xd6, 0x21, 0x3d,
0x3f, 0xdd, 0xac, 0xb1, 0xe7, 0x30, 0x7e, 0x05,
0xda, 0xcc, 0x82, 0xd2, 0xf2, 0x53, 0x49, 0x48,
0x18, 0x9e, 0x08, 0x8f, 0xd3, 0xe1, 0xbc, 0xce,
0xb6, 0x0d, 0x48, 0xa6, 0x51, 0x53, 0xe1, 0xc1,
0xa7, 0xa7, 0x10, 0x8a, 0xde, 0x96, 0xa3, 0x4d,
}
// simnetGenesisMerkleRoot is the hash of the first transaction in the genesis block
@ -153,9 +153,9 @@ var simnetGenesisBlock = externalapi.DomainBlock{
HashMerkleRoot: simnetGenesisMerkleRoot,
AcceptedIDMerkleRoot: externalapi.DomainHash{},
UTXOCommitment: externalapi.DomainHash{},
TimeInMilliseconds: 0x175bca27c39,
TimeInMilliseconds: 0x1763db5c5de,
Bits: 0x207fffff,
Nonce: 0x1,
Nonce: 0x0,
},
Transactions: []*externalapi.DomainTransaction{simnetGenesisCoinbaseTx},
}
@ -177,10 +177,10 @@ var testnetGenesisCoinbaseTx = transactionhelper.NewSubnetworkTransaction(1,
// testnetGenesisHash is the hash of the first block in the block DAG for the test
// network (genesis block).
var testnetGenesisHash = externalapi.DomainHash{
0xa9, 0xbe, 0xa7, 0xd9, 0x0f, 0xd2, 0xbd, 0xfb,
0xd8, 0x09, 0x4d, 0x6a, 0x49, 0xa7, 0x59, 0x93,
0xd1, 0x35, 0xce, 0x61, 0x18, 0x07, 0x0b, 0xe6,
0xb9, 0xec, 0xad, 0x68, 0xe4, 0x2d, 0x00, 0x00,
0x97, 0xb5, 0xd5, 0xf6, 0x0d, 0xfe, 0x77, 0x83,
0x87, 0xe8, 0x06, 0x52, 0xd5, 0xbe, 0xd2, 0x5e,
0x92, 0x5a, 0x70, 0x03, 0x2b, 0x7a, 0x75, 0x5c,
0xc5, 0xe4, 0x73, 0xa0, 0x23, 0x47, 0x25, 0x2f,
}
// testnetGenesisMerkleRoot is the hash of the first transaction in the genesis block
@ -201,9 +201,9 @@ var testnetGenesisBlock = externalapi.DomainBlock{
HashMerkleRoot: testnetGenesisMerkleRoot,
AcceptedIDMerkleRoot: externalapi.DomainHash{},
UTXOCommitment: externalapi.DomainHash{},
TimeInMilliseconds: 0x175bcac06ec,
TimeInMilliseconds: 0x1763db5c5de,
Bits: 0x1e7fffff,
Nonce: 0x568f,
Nonce: 0xec6f,
},
Transactions: []*externalapi.DomainTransaction{testnetGenesisCoinbaseTx},
}

7
testing/integration/mining_test.go
View File

@ -1,15 +1,13 @@
package integration
import (
"github.com/kaspanet/kaspad/domain/consensus/model/pow"
"math/rand"
"testing"
"github.com/kaspanet/kaspad/app/appmessage"
"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
"github.com/kaspanet/kaspad/domain/consensus/utils/hashes"
"github.com/kaspanet/kaspad/util"
)
@ -18,8 +16,7 @@ func solveBlock(block *externalapi.DomainBlock) *externalapi.DomainBlock {
initialNonce := rand.Uint64()
for i := initialNonce; i != initialNonce-1; i++ {
block.Header.Nonce = i
hash := consensushashing.BlockHash(block)
if hashes.ToBig(hash).Cmp(targetDifficulty) <= 0 {
if pow.CheckProofOfWorkWithTarget(block.Header, targetDifficulty) {
return block
}
}