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chainstore: Update weight function to use new actors

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This commit is contained in:
Łukasz Magiera 2020-02-19 18:55:59 +01:00
parent e9019c8bcc
commit 3394645f7a
1 changed files with 24 additions and 12 deletions
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36
chain/store/weight.go
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@ -6,8 +6,13 @@ import (
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/chain/actors"
"github.com/filecoin-project/lotus/chain/state"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/chain/vm"
big2 "github.com/filecoin-project/specs-actors/actors/abi/big"
"github.com/filecoin-project/specs-actors/actors/builtin"
"github.com/filecoin-project/specs-actors/actors/builtin/power"
cbor "github.com/ipfs/go-ipld-cbor"
"golang.org/x/xerrors"
)
@ -23,20 +28,27 @@ func (cs *ChainStore) Weight(ctx context.Context, ts *types.TipSet) (types.BigIn
// >>> wFunction(totalPowerAtTipset(ts)) * 2^8 <<< + (wFunction(totalPowerAtTipset(ts)) * len(ts.blocks) * wRatio_num * 2^8) / (e * wRatio_den)
panic("TODO")
ret, err := cs.call(ctx, &types.Message{
From: actors.StoragePowerAddress,
To: actors.StoragePowerAddress,
Method: 999, // actors.SPAMethods.GetTotalStorage,
}, ts)
if err != nil {
return types.EmptyInt, xerrors.Errorf("failed to get total power from chain: %w", err)
}
if ret.ExitCode != 0 {
return types.EmptyInt, xerrors.Errorf("failed to get total power from chain (exit code %d)", ret.ExitCode)
tpow := big2.Zero()
{
cst := cbor.NewCborStore(cs.Blockstore())
state, err := state.LoadStateTree(cst, ts.ParentState())
if err != nil {
return types.NewInt(0), xerrors.Errorf("load state tree: %w", err)
}
act, err := state.GetActor(builtin.StoragePowerActorAddr)
if err != nil {
return types.NewInt(0), xerrors.Errorf("get power actor: %w", err)
}
var st power.State
if err := cst.Get(ctx, act.Head, &st); err != nil {
return types.NewInt(0), xerrors.Errorf("get power actor head: %w", err)
}
tpow = st.TotalNetworkPower
}
log2P := int64(0)
tpow := types.BigFromBytes(ret.Return)
if tpow.GreaterThan(zero) {
log2P = int64(tpow.BitLen() - 1)
} else {