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service.go
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service.go
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package amana
import (
"fmt"
"github.com/Qitmeer/qng/config"
"github.com/Qitmeer/qng/consensus/model"
"github.com/Qitmeer/qng/meerevm/eth"
"github.com/Qitmeer/qng/node/service"
"github.com/Qitmeer/qng/rpc/api"
"github.com/Qitmeer/qng/rpc/client/cmds"
"github.com/ethereum/go-ethereum/ethclient"
)
type AmanaService struct {
service.Service
cfg *config.Config
cons model.Consensus
chain *eth.ETHChain
}
func (q *AmanaService) Start() error {
if err := q.Service.Start(); err != nil {
return err
}
log.Info("Start AmanaService")
ecfg, args, err := MakeParams(q.cfg)
if err != nil {
log.Error(err.Error())
return err
}
chain, err := eth.NewETHChain(ecfg, args)
if err != nil {
log.Error(err.Error())
return err
}
q.chain = chain
//
err = q.chain.Start()
if err != nil {
return err
}
//
rpcClient := q.chain.Node().Attach()
client := ethclient.NewClient(rpcClient)
blockNum, err := client.BlockNumber(q.Context())
if err != nil {
log.Error(err.Error())
} else {
log.Debug(fmt.Sprintf("Amana block chain current block number:%d", blockNum))
}
cbh := q.chain.Ether().BlockChain().CurrentBlock()
if cbh != nil {
log.Debug(fmt.Sprintf("Amana block chain current block:number=%d hash=%s", cbh.Number.Uint64(), cbh.Hash().String()))
}
//
state, err := q.chain.Ether().BlockChain().State()
if err != nil {
return nil
}
//
for addr := range q.chain.Config().Eth.Genesis.Alloc {
log.Debug(fmt.Sprintf("Amana Alloc address:%v balance:%v", addr.String(), state.GetBalance(addr)))
}
return nil
}
func (q *AmanaService) Stop() error {
if err := q.Service.Stop(); err != nil {
return err
}
return q.chain.Stop()
}
func (q *AmanaService) APIs() []api.API {
return []api.API{
{
NameSpace: cmds.DefaultServiceNameSpace,
Service: NewPublicAmanaServiceAPI(q),
Public: true,
},
}
}
func New(cfg *config.Config, cons model.Consensus) (*AmanaService, error) {
a := AmanaService{
cfg: cfg,
cons: cons,
}
return &a, nil
}