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131 lines
3.3 KiB
131 lines
3.3 KiB
package state
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import (
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"bytes"
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"encoding/base64"
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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 GenesisAccount struct {
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Address string
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Amount uint64
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}
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type GenesisValidator struct {
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PubKey string
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Amount uint64
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UnbondTo []GenesisAccount
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}
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type GenesisDoc struct {
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GenesisTime time.Time
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Accounts []GenesisAccount
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Validators []GenesisValidator
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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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panic(Fmt("Couldn't read GenesisDoc: %v", err))
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}
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return
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}
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func MakeGenesisStateFromFile(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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panic(Fmt("Couldn't read GenesisDoc file: %v", err))
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}
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genDoc := GenesisDocFromJSON(jsonBlob)
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return MakeGenesisState(db, genDoc)
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}
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func MakeGenesisState(db db_.DB, genDoc *GenesisDoc) *State {
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if len(genDoc.Validators) == 0 {
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Exit(Fmt("The genesis file has no 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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address, err := base64.StdEncoding.DecodeString(acc.Address)
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if err != nil {
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Exit(Fmt("Invalid account address: %v", acc.Address))
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}
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account := &Account{
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Address: address,
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PubKey: PubKeyNil{},
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Sequence: 0,
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Balance: acc.Amount,
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}
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accounts.Set(address, account)
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}
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// Make validatorInfos state tree && validators slice
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validatorInfos := merkle.NewIAVLTree(BasicCodec, ValidatorInfoCodec, 0, db)
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validators := make([]*Validator, len(genDoc.Validators))
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for i, val := range genDoc.Validators {
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pubKeyBytes, err := base64.StdEncoding.DecodeString(val.PubKey)
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if err != nil {
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Exit(Fmt("Invalid validator pubkey: %v", val.PubKey))
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}
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pubKey := ReadBinary(PubKeyEd25519{},
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bytes.NewBuffer(pubKeyBytes), new(int64), &err).(PubKeyEd25519)
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if err != nil {
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Exit(Fmt("Invalid validator pubkey: %v", val.PubKey))
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}
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address := pubKey.Address()
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// Make ValidatorInfo
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valInfo := &ValidatorInfo{
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Address: address,
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PubKey: pubKey,
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UnbondTo: make([]*TxOutput, len(val.UnbondTo)),
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FirstBondHeight: 0,
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FirstBondAmount: val.Amount,
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}
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for i, unbondTo := range val.UnbondTo {
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address, err := base64.StdEncoding.DecodeString(unbondTo.Address)
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if err != nil {
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Exit(Fmt("Invalid unbond-to address: %v", unbondTo.Address))
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}
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valInfo.UnbondTo[i] = &TxOutput{
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Address: address,
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Amount: unbondTo.Amount,
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}
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}
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validatorInfos.Set(address, valInfo)
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// Make validator
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validators[i] = &Validator{
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Address: address,
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PubKey: pubKey,
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VotingPower: val.Amount,
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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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