82 lines
2.1 KiB
Go
82 lines
2.1 KiB
Go
package state
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import (
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"encoding/json"
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"io/ioutil"
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"time"
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. "github.com/tendermint/tendermint/account"
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. "github.com/tendermint/tendermint/binary"
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. "github.com/tendermint/tendermint/block"
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. "github.com/tendermint/tendermint/common"
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db_ "github.com/tendermint/tendermint/db"
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"github.com/tendermint/tendermint/merkle"
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)
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type GenesisDoc struct {
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GenesisTime time.Time
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Accounts []*Account
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Validators []*ValidatorInfo
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}
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func GenesisDocFromJSON(jsonBlob []byte) (genState *GenesisDoc) {
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err := json.Unmarshal(jsonBlob, &genState)
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if err != nil {
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Panicf("Couldn't read GenesisDoc: %v", err)
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}
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return
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}
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func GenesisStateFromFile(db db_.DB, genDocFile string) *State {
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jsonBlob, err := ioutil.ReadFile(genDocFile)
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if err != nil {
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Panicf("Couldn't read GenesisDoc file: %v", err)
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}
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genDoc := GenesisDocFromJSON(jsonBlob)
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return GenesisState(db, genDoc)
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}
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func GenesisState(db db_.DB, genDoc *GenesisDoc) *State {
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if len(genDoc.Validators) == 0 {
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panic("Must have some validators")
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}
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if genDoc.GenesisTime.IsZero() {
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genDoc.GenesisTime = time.Now()
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}
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// Make accounts state tree
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accounts := merkle.NewIAVLTree(BasicCodec, AccountCodec, defaultAccountsCacheCapacity, db)
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for _, acc := range genDoc.Accounts {
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accounts.Set(acc.Address, acc)
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}
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// Make validatorInfos state tree
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validatorInfos := merkle.NewIAVLTree(BasicCodec, ValidatorInfoCodec, 0, db)
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for _, valInfo := range genDoc.Validators {
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validatorInfos.Set(valInfo.Address, valInfo)
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}
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// Make validators
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validators := make([]*Validator, len(genDoc.Validators))
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for i, valInfo := range genDoc.Validators {
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validators[i] = &Validator{
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Address: valInfo.Address,
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PubKey: valInfo.PubKey,
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VotingPower: valInfo.FirstBondAmount,
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}
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}
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return &State{
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DB: db,
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LastBlockHeight: 0,
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LastBlockHash: nil,
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LastBlockParts: PartSetHeader{},
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LastBlockTime: genDoc.GenesisTime,
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BondedValidators: NewValidatorSet(validators),
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UnbondingValidators: NewValidatorSet(nil),
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accounts: accounts,
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validatorInfos: validatorInfos,
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}
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}
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