forked from ledgerwatch/erigon
/
erigon_system.go
94 lines (81 loc) · 2.51 KB
/
erigon_system.go
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package jsonrpc
import (
"context"
"errors"
"github.com/nebojsa94/erigon/erigon-lib/common/hexutil"
"github.com/nebojsa94/erigon/erigon-lib/common"
borfinality "github.com/nebojsa94/erigon/consensus/bor/finality"
"github.com/nebojsa94/erigon/consensus/bor/finality/whitelist"
"github.com/nebojsa94/erigon/core/forkid"
"github.com/nebojsa94/erigon/rpc"
"github.com/nebojsa94/erigon/turbo/rpchelper"
)
// Forks is a data type to record a list of forks passed by this node
type Forks struct {
GenesisHash common.Hash `json:"genesis"`
HeightForks []uint64 `json:"heightForks"`
TimeForks []uint64 `json:"timeForks"`
}
// Forks implements erigon_forks. Returns the genesis block hash and a sorted list of all forks block numbers
func (api *ErigonImpl) Forks(ctx context.Context) (Forks, error) {
tx, err := api.db.BeginRo(ctx)
if err != nil {
return Forks{}, err
}
defer tx.Rollback()
chainConfig, genesis, err := api.chainConfigWithGenesis(tx)
if err != nil {
return Forks{}, err
}
heightForks, timeForks := forkid.GatherForks(chainConfig, genesis.Time())
return Forks{genesis.Hash(), heightForks, timeForks}, nil
}
// Post the merge eth_blockNumber will return latest forkChoiceHead block number
// erigon_blockNumber will return latest executed block number or any block number requested
func (api *ErigonImpl) BlockNumber(ctx context.Context, rpcBlockNumPtr *rpc.BlockNumber) (hexutil.Uint64, error) {
tx, err := api.db.BeginRo(ctx)
if err != nil {
return 0, err
}
defer tx.Rollback()
var rpcBlockNum rpc.BlockNumber
if rpcBlockNumPtr == nil {
rpcBlockNum = rpc.LatestExecutedBlockNumber
} else {
rpcBlockNum = *rpcBlockNumPtr
}
var blockNum uint64
switch rpcBlockNum {
case rpc.LatestBlockNumber:
blockNum, err = rpchelper.GetLatestBlockNumber(tx)
if err != nil {
return 0, err
}
case rpc.EarliestBlockNumber:
blockNum = 0
case rpc.SafeBlockNumber:
blockNum, err = rpchelper.GetSafeBlockNumber(tx)
if err != nil {
return 0, err
}
case rpc.FinalizedBlockNumber:
if whitelist.GetWhitelistingService() != nil {
num := borfinality.GetFinalizedBlockNumber(tx)
if num == 0 {
return 0, errors.New("no finalized block")
}
blockNum = borfinality.CurrentFinalizedBlock(tx, num).NumberU64()
return hexutil.Uint64(blockNum), nil
}
blockNum, err = rpchelper.GetFinalizedBlockNumber(tx)
if err != nil {
return 0, err
}
default:
blockNum, err = rpchelper.GetLatestExecutedBlockNumber(tx)
if err != nil {
return 0, err
}
}
return hexutil.Uint64(blockNum), nil
}