72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
package core
|
|
|
|
import (
|
|
"time"
|
|
|
|
"github.com/nspcc-dev/neo-go/pkg/config"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/block"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
|
|
"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
|
|
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
|
|
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
|
|
"github.com/nspcc-dev/neo-go/pkg/util"
|
|
"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
|
|
)
|
|
|
|
// CreateGenesisBlock creates a genesis block based on the given configuration.
|
|
func CreateGenesisBlock(cfg config.ProtocolConfiguration) (*block.Block, error) {
|
|
validators, err := validatorsFromConfig(cfg)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
nextConsensus, err := getNextConsensusAddress(validators)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
base := block.Header{
|
|
Version: 0,
|
|
PrevHash: util.Uint256{},
|
|
Timestamp: uint64(time.Date(2016, 7, 15, 15, 8, 21, 0, time.UTC).Unix()) * 1000, // Milliseconds.
|
|
Nonce: 2083236893,
|
|
Index: 0,
|
|
NextConsensus: nextConsensus,
|
|
Script: transaction.Witness{
|
|
InvocationScript: []byte{},
|
|
VerificationScript: []byte{byte(opcode.PUSH1)},
|
|
},
|
|
StateRootEnabled: cfg.StateRootInHeader,
|
|
}
|
|
|
|
b := &block.Block{
|
|
Header: base,
|
|
Transactions: []*transaction.Transaction{},
|
|
}
|
|
b.RebuildMerkleRoot()
|
|
|
|
return b, nil
|
|
}
|
|
|
|
func validatorsFromConfig(cfg config.ProtocolConfiguration) ([]*keys.PublicKey, error) {
|
|
vs, err := keys.NewPublicKeysFromStrings(cfg.StandbyCommittee)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return vs[:cfg.GetNumOfCNs(0)], nil
|
|
}
|
|
|
|
func getNextConsensusAddress(validators []*keys.PublicKey) (val util.Uint160, err error) {
|
|
raw, err := smartcontract.CreateDefaultMultiSigRedeemScript(validators)
|
|
if err != nil {
|
|
return val, err
|
|
}
|
|
return hash.Hash160(raw), nil
|
|
}
|
|
|
|
// hashSliceReverse reverses the given slice of util.Uint256.
|
|
func hashSliceReverse(dest []util.Uint256) {
|
|
for i, j := 0, len(dest)-1; i < j; i, j = i+1, j-1 {
|
|
dest[i], dest[j] = dest[j], dest[i]
|
|
}
|
|
}
|