You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
156 lines
4.7 KiB
156 lines
4.7 KiB
package types
|
|
|
|
import (
|
|
abci "github.com/tendermint/tendermint/abci/types"
|
|
cmn "github.com/tendermint/tendermint/libs/common"
|
|
"github.com/tendermint/tendermint/libs/merkle"
|
|
)
|
|
|
|
const (
|
|
// MaxBlockSizeBytes is the maximum permitted size of the blocks.
|
|
MaxBlockSizeBytes = 104857600 // 100MB
|
|
)
|
|
|
|
// ConsensusParams contains consensus critical parameters
|
|
// that determine the validity of blocks.
|
|
type ConsensusParams struct {
|
|
BlockSize `json:"block_size_params"`
|
|
TxSize `json:"tx_size_params"`
|
|
BlockGossip `json:"block_gossip_params"`
|
|
EvidenceParams `json:"evidence_params"`
|
|
}
|
|
|
|
// BlockSize contain limits on the block size.
|
|
type BlockSize struct {
|
|
MaxBytes int `json:"max_bytes"` // NOTE: must not be 0 nor greater than 100MB
|
|
MaxTxs int `json:"max_txs"`
|
|
MaxGas int64 `json:"max_gas"`
|
|
}
|
|
|
|
// TxSize contain limits on the tx size.
|
|
type TxSize struct {
|
|
MaxBytes int `json:"max_bytes"`
|
|
MaxGas int64 `json:"max_gas"`
|
|
}
|
|
|
|
// BlockGossip determine consensus critical elements of how blocks are gossiped
|
|
type BlockGossip struct {
|
|
BlockPartSizeBytes int `json:"block_part_size_bytes"` // NOTE: must not be 0
|
|
}
|
|
|
|
// EvidenceParams determine how we handle evidence of malfeasance
|
|
type EvidenceParams struct {
|
|
MaxAge int64 `json:"max_age"` // only accept new evidence more recent than this
|
|
}
|
|
|
|
// DefaultConsensusParams returns a default ConsensusParams.
|
|
func DefaultConsensusParams() *ConsensusParams {
|
|
return &ConsensusParams{
|
|
DefaultBlockSize(),
|
|
DefaultTxSize(),
|
|
DefaultBlockGossip(),
|
|
DefaultEvidenceParams(),
|
|
}
|
|
}
|
|
|
|
// DefaultBlockSize returns a default BlockSize.
|
|
func DefaultBlockSize() BlockSize {
|
|
return BlockSize{
|
|
MaxBytes: 22020096, // 21MB
|
|
MaxTxs: 10000,
|
|
MaxGas: -1,
|
|
}
|
|
}
|
|
|
|
// DefaultTxSize returns a default TxSize.
|
|
func DefaultTxSize() TxSize {
|
|
return TxSize{
|
|
MaxBytes: 10240, // 10kB
|
|
MaxGas: -1,
|
|
}
|
|
}
|
|
|
|
// DefaultBlockGossip returns a default BlockGossip.
|
|
func DefaultBlockGossip() BlockGossip {
|
|
return BlockGossip{
|
|
BlockPartSizeBytes: 65536, // 64kB,
|
|
}
|
|
}
|
|
|
|
// DefaultEvidence Params returns a default EvidenceParams.
|
|
func DefaultEvidenceParams() EvidenceParams {
|
|
return EvidenceParams{
|
|
MaxAge: 100000, // 27.8 hrs at 1block/s
|
|
}
|
|
}
|
|
|
|
// Validate validates the ConsensusParams to ensure all values
|
|
// are within their allowed limits, and returns an error if they are not.
|
|
func (params *ConsensusParams) Validate() error {
|
|
// ensure some values are greater than 0
|
|
if params.BlockSize.MaxBytes <= 0 {
|
|
return cmn.NewError("BlockSize.MaxBytes must be greater than 0. Got %d", params.BlockSize.MaxBytes)
|
|
}
|
|
if params.BlockGossip.BlockPartSizeBytes <= 0 {
|
|
return cmn.NewError("BlockGossip.BlockPartSizeBytes must be greater than 0. Got %d", params.BlockGossip.BlockPartSizeBytes)
|
|
}
|
|
|
|
// ensure blocks aren't too big
|
|
if params.BlockSize.MaxBytes > MaxBlockSizeBytes {
|
|
return cmn.NewError("BlockSize.MaxBytes is too big. %d > %d",
|
|
params.BlockSize.MaxBytes, MaxBlockSizeBytes)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Hash returns a merkle hash of the parameters to store
|
|
// in the block header
|
|
func (params *ConsensusParams) Hash() []byte {
|
|
return merkle.SimpleHashFromMap(map[string]merkle.Hasher{
|
|
"block_gossip_part_size_bytes": aminoHasher(params.BlockGossip.BlockPartSizeBytes),
|
|
"block_size_max_bytes": aminoHasher(params.BlockSize.MaxBytes),
|
|
"block_size_max_gas": aminoHasher(params.BlockSize.MaxGas),
|
|
"block_size_max_txs": aminoHasher(params.BlockSize.MaxTxs),
|
|
"tx_size_max_bytes": aminoHasher(params.TxSize.MaxBytes),
|
|
"tx_size_max_gas": aminoHasher(params.TxSize.MaxGas),
|
|
})
|
|
}
|
|
|
|
// Update returns a copy of the params with updates from the non-zero fields of p2.
|
|
// NOTE: note: must not modify the original
|
|
func (params ConsensusParams) Update(params2 *abci.ConsensusParams) ConsensusParams {
|
|
res := params // explicit copy
|
|
|
|
if params2 == nil {
|
|
return res
|
|
}
|
|
|
|
// we must defensively consider any structs may be nil
|
|
// XXX: it's cast city over here. It's ok because we only do int32->int
|
|
// but still, watch it champ.
|
|
if params2.BlockSize != nil {
|
|
if params2.BlockSize.MaxBytes > 0 {
|
|
res.BlockSize.MaxBytes = int(params2.BlockSize.MaxBytes)
|
|
}
|
|
if params2.BlockSize.MaxTxs > 0 {
|
|
res.BlockSize.MaxTxs = int(params2.BlockSize.MaxTxs)
|
|
}
|
|
if params2.BlockSize.MaxGas > 0 {
|
|
res.BlockSize.MaxGas = params2.BlockSize.MaxGas
|
|
}
|
|
}
|
|
if params2.TxSize != nil {
|
|
if params2.TxSize.MaxBytes > 0 {
|
|
res.TxSize.MaxBytes = int(params2.TxSize.MaxBytes)
|
|
}
|
|
if params2.TxSize.MaxGas > 0 {
|
|
res.TxSize.MaxGas = params2.TxSize.MaxGas
|
|
}
|
|
}
|
|
if params2.BlockGossip != nil {
|
|
if params2.BlockGossip.BlockPartSizeBytes > 0 {
|
|
res.BlockGossip.BlockPartSizeBytes = int(params2.BlockGossip.BlockPartSizeBytes)
|
|
}
|
|
}
|
|
return res
|
|
}
|