mirror of
https://github.com/nspcc-dev/neo-go.git
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cda1c75db3
They're misleading now that we have variable number of committee members/validators. The standby list can be seen in the configuration and the appropriate numbers can be received from it also.
72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
package core
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import (
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"time"
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"github.com/nspcc-dev/neo-go/pkg/config"
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"github.com/nspcc-dev/neo-go/pkg/core/block"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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)
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// createGenesisBlock creates a genesis block based on the given configuration.
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func createGenesisBlock(cfg config.ProtocolConfiguration) (*block.Block, error) {
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validators, err := validatorsFromConfig(cfg)
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if err != nil {
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return nil, err
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}
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nextConsensus, err := getNextConsensusAddress(validators)
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if err != nil {
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return nil, err
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}
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base := block.Header{
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Version: 0,
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PrevHash: util.Uint256{},
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Timestamp: uint64(time.Date(2016, 7, 15, 15, 8, 21, 0, time.UTC).Unix()) * 1000, // Milliseconds.
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Nonce: 2083236893,
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Index: 0,
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NextConsensus: nextConsensus,
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Script: transaction.Witness{
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InvocationScript: []byte{},
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VerificationScript: []byte{byte(opcode.PUSH1)},
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},
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StateRootEnabled: cfg.StateRootInHeader,
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}
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b := &block.Block{
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Header: base,
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Transactions: []*transaction.Transaction{},
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}
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b.RebuildMerkleRoot()
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return b, nil
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}
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func validatorsFromConfig(cfg config.ProtocolConfiguration) ([]*keys.PublicKey, error) {
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vs, err := keys.NewPublicKeysFromStrings(cfg.StandbyCommittee)
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if err != nil {
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return nil, err
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}
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return vs[:cfg.GetNumOfCNs(0)], nil
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}
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func getNextConsensusAddress(validators []*keys.PublicKey) (val util.Uint160, err error) {
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raw, err := smartcontract.CreateDefaultMultiSigRedeemScript(validators)
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if err != nil {
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return val, err
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}
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return hash.Hash160(raw), nil
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}
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// headerSliceReverse reverses the given slice of *Header.
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func headerSliceReverse(dest []*block.Header) {
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for i, j := 0, len(dest)-1; i < j; i, j = i+1, j-1 {
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dest[i], dest[j] = dest[j], dest[i]
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}
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}
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