lotus/node/impl/full/chain.go
2019-08-20 18:48:33 +02:00

182 lines
4.5 KiB
Go

package full
import (
"context"
"github.com/filecoin-project/go-lotus/api"
"github.com/filecoin-project/go-lotus/chain"
"github.com/filecoin-project/go-lotus/chain/address"
"github.com/filecoin-project/go-lotus/chain/gen"
"github.com/filecoin-project/go-lotus/chain/state"
"github.com/filecoin-project/go-lotus/chain/store"
"github.com/filecoin-project/go-lotus/chain/types"
"github.com/filecoin-project/go-lotus/chain/vm"
"github.com/filecoin-project/go-lotus/lib/bufbstore"
"github.com/ipfs/go-cid"
"github.com/ipfs/go-hamt-ipld"
pubsub "github.com/libp2p/go-libp2p-pubsub"
"go.uber.org/fx"
)
type ChainAPI struct {
fx.In
Chain *store.ChainStore
PubSub *pubsub.PubSub
}
func (a *ChainAPI) ChainNotify(ctx context.Context) (<-chan *store.HeadChange, error) {
return a.Chain.SubHeadChanges(ctx), nil
}
func (a *ChainAPI) ChainSubmitBlock(ctx context.Context, blk *chain.BlockMsg) error {
if err := a.Chain.AddBlock(blk.Header); err != nil {
return err
}
b, err := blk.Serialize()
if err != nil {
return err
}
// TODO: anything else to do here?
return a.PubSub.Publish("/fil/blocks", b)
}
func (a *ChainAPI) ChainHead(context.Context) (*types.TipSet, error) {
return a.Chain.GetHeaviestTipSet(), nil
}
func (a *ChainAPI) ChainGetRandomness(ctx context.Context, pts *types.TipSet) ([]byte, error) {
// TODO: this needs to look back in the chain for the right random beacon value
return []byte("foo bar random"), nil
}
func (a *ChainAPI) ChainWaitMsg(ctx context.Context, msg cid.Cid) (*api.MsgWait, error) {
blkcid, recpt, err := a.Chain.WaitForMessage(ctx, msg)
if err != nil {
return nil, err
}
return &api.MsgWait{
InBlock: blkcid,
Receipt: *recpt,
}, nil
}
func (a *ChainAPI) ChainGetBlock(ctx context.Context, msg cid.Cid) (*types.BlockHeader, error) {
return a.Chain.GetBlock(msg)
}
func (a *ChainAPI) ChainGetBlockMessages(ctx context.Context, msg cid.Cid) (*api.BlockMessages, error) {
b, err := a.Chain.GetBlock(msg)
if err != nil {
return nil, err
}
bmsgs, smsgs, err := a.Chain.MessagesForBlock(b)
if err != nil {
return nil, err
}
return &api.BlockMessages{
BlsMessages: bmsgs,
SecpkMessages: smsgs,
}, nil
}
func (a *ChainAPI) ChainGetBlockReceipts(ctx context.Context, bcid cid.Cid) ([]*types.MessageReceipt, error) {
b, err := a.Chain.GetBlock(bcid)
if err != nil {
return nil, err
}
// TODO: need to get the number of messages better than this
bm, sm, err := a.Chain.MessagesForBlock(b)
if err != nil {
return nil, err
}
var out []*types.MessageReceipt
for i := 0; i < len(bm)+len(sm); i++ {
r, err := a.Chain.GetReceipt(b, i)
if err != nil {
return nil, err
}
out = append(out, r)
}
return out, nil
}
func (a *ChainAPI) ChainCall(ctx context.Context, msg *types.Message, ts *types.TipSet) (*types.MessageReceipt, error) {
return vm.Call(ctx, a.Chain, msg, ts)
}
func (a *ChainAPI) stateForTs(ts *types.TipSet) (*state.StateTree, error) {
if ts == nil {
ts = a.Chain.GetHeaviestTipSet()
}
st, err := a.Chain.TipSetState(ts.Cids())
if err != nil {
return nil, err
}
buf := bufbstore.NewBufferedBstore(a.Chain.Blockstore())
cst := hamt.CSTFromBstore(buf)
return state.LoadStateTree(cst, st)
}
func (a *ChainAPI) ChainGetActor(ctx context.Context, actor address.Address, ts *types.TipSet) (*types.Actor, error) {
state, err := a.stateForTs(ts)
if err != nil {
return nil, err
}
return state.GetActor(actor)
}
func (a *ChainAPI) ChainReadState(ctx context.Context, act *types.Actor, ts *types.TipSet) (*api.ActorState, error) {
state, err := a.stateForTs(ts)
if err != nil {
return nil, err
}
blk, err := state.Store.Blocks.GetBlock(ctx, act.Head)
if err != nil {
return nil, err
}
oif, err := vm.DumpActorState(act.Code, blk.RawData())
if err != nil {
return nil, err
}
return &api.ActorState{
Balance: act.Balance,
State: oif,
}, nil
}
// This is on ChainAPI because miner.Miner requires this, and MinerAPI requires miner.Miner
func (a *ChainAPI) MinerCreateBlock(ctx context.Context, addr address.Address, parents *types.TipSet, tickets []*types.Ticket, proof types.ElectionProof, msgs []*types.SignedMessage) (*chain.BlockMsg, error) {
fblk, err := gen.MinerCreateBlock(ctx, a.Chain, addr, parents, tickets, proof, msgs)
if err != nil {
return nil, err
}
var out chain.BlockMsg
out.Header = fblk.Header
for _, msg := range fblk.BlsMessages {
out.BlsMessages = append(out.BlsMessages, msg.Cid())
}
for _, msg := range fblk.SecpkMessages {
out.SecpkMessages = append(out.SecpkMessages, msg.Cid())
}
return &out, nil
}