76 lines
1.8 KiB
Go
76 lines
1.8 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/binary"
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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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AccountDetails []*AccountDetail
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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 GenesisStateFromDoc(db, genDoc)
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}
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func GenesisStateFromDoc(db db_.DB, genDoc *GenesisDoc) *State {
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return GenesisState(db, genDoc.GenesisTime, genDoc.AccountDetails)
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}
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func GenesisState(db db_.DB, genesisTime time.Time, accDets []*AccountDetail) *State {
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if genesisTime.IsZero() {
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genesisTime = time.Now()
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}
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// TODO: Use "uint64Codec" instead of BasicCodec
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accountDetails := merkle.NewIAVLTree(BasicCodec, AccountDetailCodec, defaultAccountDetailsCacheCapacity, db)
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validators := []*Validator{}
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for _, accDet := range accDets {
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accountDetails.Set(accDet.Id, accDet)
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if accDet.Status == AccountStatusBonded {
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validators = append(validators, &Validator{
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Account: accDet.Account,
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BondHeight: 0,
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VotingPower: accDet.Balance,
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Accum: 0,
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})
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}
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}
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if len(validators) == 0 {
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panic("Must have some validators")
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}
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return &State{
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DB: db,
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Height: 0,
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BlockHash: nil,
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BlockTime: genesisTime,
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BondedValidators: NewValidatorSet(validators),
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UnbondingValidators: NewValidatorSet(nil),
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accountDetails: accountDetails,
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}
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}
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